/* ============================================
   Đối Tác Google – Main Stylesheet
   Production-ready · Futuristic 2030 Aesthetic
   Version 2.0
   ============================================ */

/* ============================================
   1. CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* --- Google Brand Colors --- */
  --blue:         #1a73e8;
  --blue-dark:    #1557b0;
  --blue-mid:     #1967d2;
  --blue-light:   #e8f0fe;
  --blue-pale:    #f0f4ff;
  --green:        #34a853;
  --green-dark:   #1e8e3e;
  --green-light:  #e6f4ea;
  --red:          #ea4335;
  --red-dark:     #c5221f;
  --red-light:    #fce8e6;
  --yellow:       #fbbc04;
  --yellow-dark:  #f29900;
  --yellow-light: #fef7e0;

  /* --- Neutral Palette --- */
  --text:           #202124;
  --text-secondary: #5f6368;
  --text-muted:     #9aa0a6;
  --text-inverse:   #ffffff;
  --border:         #dadce0;
  --border-light:   #f1f3f4;
  --bg:             #ffffff;
  --bg-light:       #f8f9fa;
  --bg-dark:        #0d1117;
  --bg-blue:        #e8f0fe;
  --bg-blue-pale:   #f0f4ff;

  /* --- Shadow Scale --- */
  --shadow-xs:   0 1px 2px rgba(0,0,0,.06);
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:      0 4px 12px rgba(0,0,0,.10);
  --shadow-md:   0 6px 20px rgba(0,0,0,.11);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.12);
  --shadow-xl:   0 20px 60px rgba(0,0,0,.15);
  --shadow-blue: 0 8px 32px rgba(26,115,232,.28);

  /* --- Spacing Scale (base-4) --- */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-7:  28px;
  --space-8:  32px;
  --space-9:  36px;
  --space-10: 40px;
  --space-11: 44px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;
  --space-18: 72px;
  --space-20: 80px;
  --space-24: 96px;

  /* --- Border Radius --- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-2xl:36px;

  /* --- Typography --- */
  --font:       'Google Sans', 'Roboto', 'Segoe UI', system-ui, sans-serif;
  --font-mono:  'Google Sans Mono', 'Roboto Mono', 'Fira Code', monospace;

  /* Fluid type scale */
  --text-xs:   clamp(.6875rem, .65rem + .15vw, .75rem);
  --text-sm:   clamp(.8125rem, .78rem + .15vw, .875rem);
  --text-base: clamp(.9375rem, .9rem + .19vw, 1rem);
  --text-lg:   clamp(1rem, .95rem + .25vw, 1.125rem);
  --text-xl:   clamp(1.125rem, 1.05rem + .35vw, 1.25rem);
  --text-2xl:  clamp(1.25rem, 1.15rem + .5vw, 1.5rem);
  --text-3xl:  clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-4xl:  clamp(1.75rem, 1.4rem + 1.75vw, 2.5rem);
  --text-5xl:  clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
  --text-6xl:  clamp(2.5rem, 1.8rem + 3.5vw, 4rem);

  /* --- Animation --- */
  --transition:     .2s ease;
  --transition-md:  .3s cubic-bezier(.4,0,.2,1);
  --transition-lg:  .5s cubic-bezier(.4,0,.2,1);
  --ease-spring:    cubic-bezier(.34,1.56,.64,1);

  /* --- Z-index layers --- */
  --z-base:     1;
  --z-dropdown: 100;
  --z-header:   1000;
  --z-overlay:  1040;
  --z-drawer:   1050;
  --z-toast:    1100;
}

/* ============================================
   2. Reset & Base
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--blue);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--blue-dark); }

ul { list-style: none; }

button {
  cursor: pointer;
  font-family: var(--font);
  border: none;
  background: none;
}

input, select, textarea {
  font-family: var(--font);
}

/* ============================================
   3. Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -.01em;
}

h1 { font-size: var(--text-5xl); letter-spacing: -.02em; }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: var(--text-base);
}

/* ============================================
   4. Layout
   ============================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--wide {
  max-width: 1400px;
}

.section {
  padding: var(--space-24) 0;
}

.section--gray {
  background: var(--bg-light);
}

/* Dark section support */
.section--dark {
  background: var(--bg-dark);
  color: rgba(255,255,255,.85);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark h5,
.section--dark h6 {
  color: #fff;
}
.section--dark p {
  color: rgba(255,255,255,.65);
}
.section--dark .section-label {
  background: rgba(26,115,232,.2);
  color: #7baff8;
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--bg-blue);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: var(--space-4);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  max-width: 640px;
  margin: 0 auto;
  font-size: var(--text-lg);
}

/* ============================================
   5. Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 13px 28px;
  border-radius: 100px;
  font-size: var(--text-base);
  font-weight: 500;
  border: 2px solid transparent;
  transition: all var(--transition-md);
  white-space: nowrap;
  line-height: 1;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}
.btn:hover::after { background: rgba(255,255,255,.06); }

.btn--primary {
  background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(26,115,232,.35), 0 1px 2px rgba(26,115,232,.2);
  letter-spacing: .01em;
}
.btn--primary:hover {
  background: linear-gradient(135deg, #2b7de9 0%, #1a63c7 100%);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,115,232,.45), 0 2px 6px rgba(26,115,232,.25);
}
.btn--primary:active { transform: translateY(0); }

.btn--outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
  box-shadow: inset 0 0 0 0 var(--blue);
  transition: all var(--transition-md), box-shadow var(--transition-md);
}
.btn--outline:hover {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(26,115,232,.35);
}
.btn--outline:active { transform: translateY(0); }

.btn--white {
  background: #fff;
  color: var(--blue);
  border-color: rgba(255,255,255,.9);
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.btn--white:hover {
  background: rgba(255,255,255,.95);
  color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.18);
}

.btn--ghost {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.95);
  border-color: rgba(255,255,255,.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.18);
  color: #fff;
  border-color: rgba(255,255,255,.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}

/* Ghost on light/white backgrounds (header, pricing section, etc.) */
.site-header .btn--ghost,
.on-light .btn--ghost {
  background: rgba(26,115,232,.07);
  color: var(--blue);
  border-color: rgba(26,115,232,.28);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.site-header .btn--ghost:hover,
.on-light .btn--ghost:hover {
  background: rgba(26,115,232,.13);
  color: var(--blue-dark);
  border-color: rgba(26,115,232,.45);
  box-shadow: 0 4px 14px rgba(26,115,232,.18);
}

/* Header context: outline btn on white bg */
.site-header .btn--outline {
  border-color: var(--blue);
  color: var(--blue);
  font-weight: 500;
}
.site-header .btn--outline:hover {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 14px rgba(26,115,232,.3);
}

.btn--lg {
  padding: 16px 38px;
  font-size: var(--text-lg);
  letter-spacing: .02em;
}

.btn--sm {
  padding: 8px 18px;
  font-size: var(--text-sm);
  font-weight: 500;
}

/* ============================================
   5b. Announcement Bar
   ============================================ */
.announcement-bar {
  background: linear-gradient(90deg, #1557b0 0%, #1a73e8 50%, #0d47a1 100%);
  color: #fff;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  padding: 9px 16px;
  line-height: 1.4;
  position: relative;
  z-index: calc(var(--z-header) + 1);
}
.announcement-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.announcement-bar__link {
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(255,255,255,.45);
  transition: border-color .2s, opacity .2s;
}
.announcement-bar__link:hover {
  border-bottom-color: #fff;
  color: #fff;
  opacity: .95;
}
body.has-announcement .site-header { top: 37px; }
@media (max-width: 767px) {
  .announcement-bar { font-size: 12px; padding: 7px 12px; }
  body.has-announcement .site-header { top: 34px; }
}

/* ============================================
   6. Header / Navigation
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
}
.site-logo:hover { color: var(--text); }

.logo-icon {
  width: 40px;
  height: 40px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-icon svg { width: 36px; height: 36px; }
.logo-icon img { width: 36px; height: 36px; object-fit: contain; border-radius: 8px; }

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}
.logo-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.logo-name em {
  font-style: normal;
  color: var(--blue);
}
.logo-tagline {
  font-size: .625rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-top: 2px;
}
.logo-text span { color: var(--blue); }

/* Nav menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-menu li { position: relative; }
.nav-menu li a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-menu li a:hover { color: var(--text); background: var(--bg-light); }

/* Active states */
.nav-menu li.current-menu-item > a,
.nav-menu li.current-menu-ancestor > a {
  color: var(--blue);
  background: var(--bg-blue);
  font-weight: 600;
}
.nav-menu li.current-menu-item > a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}

/* Nav arrow for dropdown */
.nav-arrow {
  display: inline-flex;
  align-items: center;
  transition: transform var(--transition-md);
}
.nav-item.has-dropdown:hover .nav-arrow {
  transform: rotate(180deg);
}

/* ============================================
   7. Mega Menu
   ============================================ */
.nav-item.has-dropdown {
  position: relative;
}

.mega-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 720px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-md), transform var(--transition-md);
  z-index: var(--z-dropdown);
}

/* Caret arrow on top */
.mega-menu::before {
  content: '';
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: #fff;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  border-radius: 2px;
}

.nav-item.has-dropdown:hover .mega-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 200px;
  gap: var(--space-6);
}

.mega-col { display: flex; flex-direction: column; gap: var(--space-1); }

.mega-col h6 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  padding: 0 var(--space-3);
}

.mega-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}
.mega-item:hover {
  background: var(--bg-blue-pale);
  transform: translateX(2px);
  color: var(--text);
}

.mega-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
  transition: background var(--transition);
}
.mega-item:hover .mega-item-icon {
  background: var(--blue-light);
}

.mega-item-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mega-item-text strong {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.mega-item-text span {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Mega featured panel */
.mega-featured {
  background: linear-gradient(145deg, var(--blue) 0%, var(--blue-mid) 60%, #1046a8 100%);
  border-radius: var(--radius);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.mega-featured::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
}
.mega-featured::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 80px;
  height: 80px;
  background: rgba(255,255,255,.04);
  border-radius: 50%;
}
.mega-featured h5 {
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 700;
  position: relative;
  z-index: 1;
}
.mega-featured p {
  color: rgba(255,255,255,.75);
  font-size: var(--text-xs);
  line-height: 1.6;
  margin: 0;
  position: relative;
  z-index: 1;
}
.mega-featured .btn {
  margin-top: auto;
  position: relative;
  z-index: 1;
  font-size: var(--text-xs);
  padding: 8px 16px;
  justify-content: center;
}

/* Header CTA area */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.header-phone:hover { color: var(--blue); }

.header-cta-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text);
}
.hamburger:hover { color: var(--blue); }
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all .3s cubic-bezier(.4,0,.2,1);
}

/* ============================================
   8. Mobile Navigation
   ============================================ */
.mobile-nav {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  max-width: 85vw;
  background: #fff;
  z-index: var(--z-drawer);
  box-shadow: -8px 0 40px rgba(0,0,0,.14);
  transform: translateX(100%);
  transition: transform var(--transition-md);
  overflow-y: auto;
}
.mobile-nav.open {
  transform: translateX(0);
}
.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  padding: 88px 24px 32px;
  min-height: 100%;
  gap: var(--space-6);
}
.mobile-nav-links ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mobile-nav-links ul a {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.mobile-nav-links ul a:hover,
.mobile-nav-links .current-menu-item a {
  background: var(--bg-blue);
  color: var(--blue);
}
.mobile-nav-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--bg-light);
  border-radius: var(--radius);
}
.mobile-contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--transition);
}
.mobile-contact-link:hover { color: var(--blue); }
.mobile-nav-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: auto;
}
.mobile-nav-cta .btn { width: 100%; justify-content: center; }

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: var(--z-overlay);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity var(--transition-md);
}
.mobile-overlay.open {
  display: block;
  opacity: 1;
}

/* ============================================
   9. Reading Progress Bar
   ============================================ */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #4285F4 0%, #EA4335 33%, #FBBC04 66%, #34A853 100%);
  z-index: var(--z-toast);
  width: 0%;
  transition: width .1s linear;
  border-radius: 0 2px 2px 0;
}

/* ============================================
   10. Scroll-to-top
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-md);
  z-index: 500;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover {
  background: var(--blue-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(26,115,232,.4);
}

/* ============================================
   11. Scroll Animation Classes
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-lg), transform var(--transition-lg);
}
.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.animate-on-scroll:nth-child(2) { transition-delay: .08s; }
.animate-on-scroll:nth-child(3) { transition-delay: .16s; }
.animate-on-scroll:nth-child(4) { transition-delay: .24s; }
.animate-on-scroll:nth-child(5) { transition-delay: .32s; }
.animate-on-scroll:nth-child(6) { transition-delay: .40s; }

/* Animation variants */
.animate-fade-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity var(--transition-lg), transform var(--transition-lg);
}
.animate-fade-left.in-view { opacity: 1; transform: translateX(0); }

.animate-scale {
  opacity: 0;
  transform: scale(.92);
  transition: opacity var(--transition-lg), transform var(--transition-lg);
}
.animate-scale.in-view { opacity: 1; transform: scale(1); }

/* ============================================
   12. Hero Section
   ============================================ */
.hero {
  padding: 160px 0 100px;
  background:
    radial-gradient(ellipse 80% 60% at 110% -10%, rgba(26,115,232,.13) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at -10% 110%, rgba(52,168,83,.08) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(26,115,232,.05) 0%, transparent 50%),
    linear-gradient(145deg, #f0f4ff 0%, #e8f0fe 35%, #f8f9ff 70%, #fff 100%);
  overflow: hidden;
  position: relative;
}

/* Grid dot pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(26,115,232,.065) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom right, transparent 0%, rgba(0,0,0,.5) 40%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom right, transparent 0%, rgba(0,0,0,.5) 40%, transparent 100%);
}

/* Decorative ring */
.hero::after {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(26,115,232,.07) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroFloat 8s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.03); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Hero badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,.9);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px 8px 8px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2.5s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(52,168,83,.5);
}
@keyframes pulse {
  0%  { transform: scale(1);   box-shadow: 0 0 0 0 rgba(52,168,83,.5); }
  50% { transform: scale(1.2); box-shadow: 0 0 0 6px rgba(52,168,83,0); }
  100%{ transform: scale(1);   box-shadow: 0 0 0 0 rgba(52,168,83,0); }
}

.hero h1 { margin-bottom: var(--space-5); color: var(--text); }
.hero h1 span { color: var(--blue); }
.hero h1 em { font-style: normal; color: var(--green); }

.hero-desc {
  font-size: var(--text-lg);
  margin-bottom: var(--space-9);
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
}
.stat-item { display: flex; flex-direction: column; }
.stat-num {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  letter-spacing: -.02em;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: 4px;
  font-weight: 500;
}

/* Hero visual */
.hero-visual { position: relative; }

.hero-card {
  background: rgba(255,255,255,.95);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255,255,255,.8);
  backdrop-filter: blur(12px);
}
.hero-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.gws-logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.gws-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--bg-light);
  transition: all var(--transition-md);
  cursor: default;
  border: 1px solid transparent;
}
.gws-app:hover {
  background: var(--bg-blue);
  transform: translateY(-3px);
  border-color: rgba(26,115,232,.15);
  box-shadow: var(--shadow-sm);
}

.gws-app-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: #fff;
  box-shadow: var(--shadow-xs);
}

/* SVG icon container */
.gws-app-svg {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.gws-app-svg svg,
.gws-app-svg img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.gws-app span { font-size: var(--text-xs); font-weight: 500; color: var(--text-secondary); }

/* Glassmorphism float badges */
.hero-float-badge {
  position: absolute;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(16px) saturate(200%);
  -webkit-backdrop-filter: blur(16px) saturate(200%);
  border-radius: var(--radius);
  padding: 12px 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,.1), inset 0 1px 0 rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.6);
  font-size: var(--text-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  animation: badgeFloat 4s ease-in-out infinite;
}
.hero-float-badge--1 {
  top: -20px;
  right: -20px;
  color: var(--green);
  animation-delay: 0s;
}
.hero-float-badge--2 {
  bottom: -20px;
  left: -20px;
  color: var(--blue);
  animation-delay: 2s;
}
@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ============================================
   13. Partner Strip
   ============================================ */
.partner-strip {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-6) 0;
}
.partner-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.partner-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 20px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
}
.partner-badge:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-sm);
}
.google-colors { display: flex; gap: 3px; }
.google-colors span { width: 10px; height: 10px; border-radius: 50%; }

/* ============================================
   14. Logos Strip / Marquee
   ============================================ */
.logos-strip {
  padding: var(--space-12) 0;
  background: var(--bg-light);
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.logos-strip-label {
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

.logos-track-wrapper {
  overflow: hidden;
  position: relative;
}
.logos-track-wrapper::before,
.logos-track-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}
.logos-track-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-light), transparent);
}
.logos-track-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-light), transparent);
}

.logos-track {
  display: flex;
  gap: var(--space-8);
  width: max-content;
  animation: marqueeScroll 30s linear infinite;
}
.logos-track:hover { animation-play-state: paused; }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 56px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  flex-shrink: 0;
  transition: all var(--transition);
  box-shadow: var(--shadow-xs);
}
.logo-item:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.logo-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(1) opacity(.6);
  transition: filter var(--transition);
}
.logo-item:hover img { filter: grayscale(0) opacity(1); }

/* ============================================
   15. Trust Badges
   ============================================ */
.trust-badges {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding: var(--space-8) 0;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  transition: all var(--transition);
  box-shadow: var(--shadow-xs);
}
.trust-badge:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.trust-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.trust-badge-text { display: flex; flex-direction: column; gap: 2px; }
.trust-badge-text strong {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text);
}
.trust-badge-text span {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ============================================
   16. Stats Row
   ============================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-md);
  box-shadow: var(--shadow-xs);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  opacity: 0;
  transition: opacity var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26,115,232,.2);
}
.stat-card:hover::before { opacity: 1; }

.stat-card-num {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-card-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================
   17. Benefits Section
   ============================================ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.benefit-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-9) var(--space-8);
  transition: all var(--transition-md);
  position: relative;
  overflow: hidden;
}
.benefit-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(26,115,232,.03) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.benefit-card:hover {
  border-color: rgba(26,115,232,.3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.benefit-card:hover::after { opacity: 1; }

.benefit-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--bg-blue) 0%, rgba(26,115,232,.12) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.625rem;
  box-shadow: 0 4px 12px rgba(26,115,232,.12);
  position: relative;
  z-index: 1;
}
.benefit-card h3 { margin-bottom: var(--space-3); position: relative; z-index: 1; }
.benefit-card p { position: relative; z-index: 1; }

/* ============================================
   18. Features Section
   ============================================ */
.features-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-12);
}
.feature-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  background: #fff;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-md);
}
.feature-tab:hover,
.feature-tab.active {
  border-color: var(--blue);
  background: var(--bg-blue);
  color: var(--blue);
  box-shadow: var(--shadow-sm);
}
.feature-content { display: none; }
.feature-content.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-text h3 { font-size: 1.625rem; margin-bottom: var(--space-4); }
.feature-text p { margin-bottom: var(--space-6); }
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
}
.feature-list li::before {
  content: '';
  width: 20px;
  height: 20px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}
.feature-list li span { color: var(--text-secondary); line-height: 1.6; }

.feature-visual {
  background: linear-gradient(145deg, var(--bg-blue) 0%, var(--bg-blue-pale) 50%, #f5f0ff 100%);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}
.feature-visual::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(26,115,232,.08) 0%, transparent 70%);
  border-radius: 50%;
}

/* ============================================
   19. Pricing Section
   ============================================ */
.pricing-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-12);
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.pricing-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-9) var(--space-8);
  position: relative;
  transition: all var(--transition-md);
  overflow: visible;
}
.pricing-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, transparent 50%, rgba(26,115,232,.025) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(26,115,232,.25);
}
.pricing-card:hover::before { opacity: 1; }

.pricing-card.popular {
  border-color: var(--blue);
  box-shadow: 0 8px 40px rgba(26,115,232,.2), 0 0 0 3px rgba(26,115,232,.12);
  transform: translateY(-8px);
  z-index: 1;
}
.pricing-card.popular:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 56px rgba(26,115,232,.26), 0 0 0 3px rgba(26,115,232,.18);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-mid) 100%);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .06em;
  padding: 5px 16px;
  border-radius: 100px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(26,115,232,.35);
}

.pricing-plan-name {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: var(--space-3);
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}
.price-currency { font-size: 1.25rem; font-weight: 600; color: var(--text); }
.price-amount { font-size: 2.75rem; font-weight: 800; color: var(--text); line-height: 1; letter-spacing: -.03em; }
.price-period { font-size: var(--text-sm); color: var(--text-secondary); }
.pricing-desc { font-size: var(--text-sm); margin-bottom: var(--space-6); }
.pricing-trial {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: var(--space-6);
}
.pricing-divider { height: 1px; background: var(--border); margin: var(--space-5) 0; }
.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
}
.pricing-features li::before {
  content: '';
  width: 18px;
  height: 18px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-size: 11px;
  background-repeat: no-repeat;
  background-position: center;
}
.pricing-features li span { color: var(--text-secondary); line-height: 1.5; }
.pricing-card .btn { width: 100%; justify-content: center; }

.pricing-enterprise {
  margin-top: var(--space-6);
  background: linear-gradient(135deg, #1a73e8 0%, #1046a8 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.pricing-enterprise::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,.05);
  border-radius: 50%;
}
.pricing-enterprise h3 { color: #fff; margin-bottom: var(--space-2); position: relative; z-index: 1; }
.pricing-enterprise p { color: rgba(255,255,255,.8); max-width: 480px; margin: 0; position: relative; z-index: 1; }
.pricing-enterprise .btn { position: relative; z-index: 1; flex-shrink: 0; }

/* ============================================
   20. Process Section
   ============================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}

/* Connecting line on desktop */
.process-grid::before {
  content: '';
  position: absolute;
  top: 38px;
  left: calc(16.66% + 22px);
  right: calc(16.66% + 22px);
  height: 2px;
  background: linear-gradient(90deg, var(--blue-light) 0%, var(--blue) 50%, var(--blue-light) 100%);
  z-index: 0;
  opacity: .4;
}

.process-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-7);
  position: relative;
  transition: all var(--transition-md);
  z-index: 1;
}
.process-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.process-num {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  font-size: var(--text-base);
  font-weight: 800;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  box-shadow: 0 4px 14px rgba(26,115,232,.35);
  position: relative;
  z-index: 1;
}
.process-card h4 { margin-bottom: var(--space-2); }

/* ============================================
   21. Testimonials
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.testimonial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: box-shadow var(--transition-md), transform var(--transition-md), border-color var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(26,115,232,.2);
}
.testimonial-stars { display: flex; gap: 3px; }
.testimonial-stars span { color: var(--yellow); font-size: 1.125rem; }
.testimonial-stars .star-empty { color: var(--border); }
.testimonial-quote {
  color: var(--text);
  line-height: 1.8;
  font-size: var(--text-base);
  flex: 1;
}
.testimonial-author { display: flex; align-items: center; gap: var(--space-3); margin-top: 4px; }
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-avatar--initial {
  background: var(--blue-light);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
}
.testimonial-info strong { display: block; font-size: var(--text-base); color: var(--text); font-weight: 600; }
.testimonial-info span { font-size: var(--text-xs); color: var(--text-secondary); }

/* ============================================
   22. FAQ Accordion
   ============================================ */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item:has(.faq-question[aria-expanded="true"]) {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,115,232,.08);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text);
  gap: var(--space-4);
  cursor: pointer;
  font-family: var(--font);
  transition: color var(--transition);
}
.faq-question:hover { color: var(--blue); }
.faq-question[aria-expanded="true"] { color: var(--blue); }
.faq-icon { flex-shrink: 0; transition: transform .3s ease; color: var(--text-secondary); }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); color: var(--blue); }
.faq-answer { border-top: 1px solid var(--border-light); }
.faq-answer-inner {
  padding: 16px 24px 22px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: var(--text-base);
}
.faq-answer-inner p { margin-bottom: 8px; }
.faq-answer-inner p:last-child { margin-bottom: 0; }

/* ============================================
   23. Contact Section
   ============================================ */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info h2 { margin-bottom: var(--space-4); }
.contact-info > p { margin-bottom: var(--space-9); }
.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-blue);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
  transition: all var(--transition);
}
.contact-item:hover .contact-icon {
  background: var(--blue);
  transform: scale(1.05);
}
.contact-item-text strong {
  display: block;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.contact-item-text span { font-size: var(--text-base); color: var(--text-secondary); }

/* Contact form */
.contact-form-wrap {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  border: 1px solid var(--border);
}
.contact-form-wrap h3 { margin-bottom: var(--space-6); }
.form-group { margin-bottom: var(--space-4); }
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-family: var(--font);
  color: var(--text);
  background: #fff;
  transition: border-color var(--transition-md), box-shadow var(--transition-md);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(26,115,232,.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%235f6368'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 44px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.form-submit .btn { width: 100%; justify-content: center; margin-top: var(--space-2); }
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-6);
  color: var(--green);
  font-weight: 600;
}

/* ============================================
   24. Footer
   ============================================ */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.7);
  padding: 80px 0 36px;
  position: relative;
}

/* Gradient separator at top of footer */
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(26,115,232,.5) 20%,
    rgba(52,168,83,.4) 40%,
    rgba(251,188,4,.4) 60%,
    rgba(234,67,53,.4) 80%,
    transparent 100%
  );
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-14);
}
.footer-brand p {
  font-size: var(--text-base);
  line-height: 1.8;
  margin-top: var(--space-4);
  color: rgba(255,255,255,.45);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.0625rem;
  font-weight: 700;
  color: #fff;
}
.footer-logo span { color: #7baff8; }
.footer-col h5 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: var(--space-4);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col ul a {
  font-size: var(--text-base);
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: #fff; }

.footer-contact-list { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-contact-list li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.55);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
  margin-bottom: var(--space-7);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-bottom p { font-size: var(--text-sm); color: rgba(255,255,255,.35); }
.footer-bottom-links { display: flex; gap: var(--space-6); }
.footer-bottom-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.35);
  transition: color var(--transition);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,.65); }

/* ============================================
   25. Blog Hero
   ============================================ */
.blog-hero {
  padding: 140px 0 56px;
  background:
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(26,115,232,.1) 0%, transparent 60%),
    linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 60%, #fff 100%);
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(26,115,232,.07) 0%, transparent 70%);
  pointer-events: none;
}
.blog-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4285F4 0%, #EA4335 25%, #FBBC04 50%, #34A853 75%, #4285F4 100%);
  background-size: 200% 100%;
  animation: google-shimmer 4s linear infinite;
  pointer-events: none;
}
@keyframes google-shimmer {
  0%   { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}
.blog-hero .section-label { display: block; margin-bottom: var(--space-3); }
.blog-hero h1 { margin-bottom: var(--space-3); }
.blog-hero > .container > p { font-size: var(--text-lg); max-width: 540px; margin-bottom: var(--space-8); }

/* Category pills */
.blog-cats { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  background: #fff;
  transition: all var(--transition-md);
}
.cat-pill:hover, .cat-pill.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}
.cat-count {
  background: rgba(255,255,255,.25);
  border-radius: 100px;
  padding: 1px 7px;
  font-size: .6875rem;
  font-weight: 600;
}
.cat-pill:not(.active) .cat-count {
  background: var(--bg-light);
  color: var(--text-secondary);
}

/* Category pill color variants */
.cat-pill--gmail:hover, .cat-pill--gmail.active   { background: #ea4335; border-color: #ea4335; }
.cat-pill--drive:hover, .cat-pill--drive.active   { background: #fbbc04; border-color: #fbbc04; color: #202124; }
.cat-pill--meet:hover,  .cat-pill--meet.active    { background: #34a853; border-color: #34a853; }
.cat-pill--chat:hover,  .cat-pill--chat.active    { background: #1a73e8; border-color: #1a73e8; }
.cat-pill--admin:hover, .cat-pill--admin.active   { background: #5f6368; border-color: #5f6368; }

/* ============================================
   26. Blog Section
   ============================================ */
.blog-section { padding-top: 56px; }

/* Featured post – enhanced */
.post-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-top: 4px solid #4285F4;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-10);
  transition: box-shadow var(--transition-md), transform var(--transition-md);
}
.post-featured:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.post-featured-img {
  display: block;
  overflow: hidden;
  min-height: 340px;
  position: relative;
}
.post-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.4,0,.2,1);
}
.post-featured:hover .post-featured-img img { transform: scale(1.06); }

/* Image overlay gradient on featured */
.post-featured-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,115,232,.08) 0%, transparent 60%);
  pointer-events: none;
}

.post-featured-body {
  padding: 44px 48px 44px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.post-featured-title {
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  margin: 12px 0 18px;
  line-height: 1.3;
  letter-spacing: -.01em;
}
.post-featured-title a { color: var(--text); }
.post-featured-title a:hover { color: var(--blue); }
.post-featured-excerpt { margin-bottom: var(--space-7); }

/* Post meta */
.post-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.post-cat a {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.post-meta-sep { color: var(--border); font-size: var(--text-xs); }
.post-date { font-size: var(--text-xs); color: var(--text-secondary); }
.post-read-time { font-size: var(--text-xs); color: var(--text-secondary); }

/* Blog grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7);
}

/* Post card – enhanced */
.post-card {
  background: #fff;
  border: 1px solid var(--border);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-md);
}
.post-card:hover {
  border-color: rgba(26,115,232,.25);
  border-top-color: var(--blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}
/* Rotate Google 4-colors across cards */
.blog-grid .post-card:nth-child(4n+1) { border-top-color: #4285F4; }
.blog-grid .post-card:nth-child(4n+2) { border-top-color: #EA4335; }
.blog-grid .post-card:nth-child(4n+3) { border-top-color: #FBBC04; }
.blog-grid .post-card:nth-child(4n)   { border-top-color: #34A853; }
.blog-grid .post-card:nth-child(4n+1):hover { border-top-color: #4285F4; }
.blog-grid .post-card:nth-child(4n+2):hover { border-top-color: #EA4335; }
.blog-grid .post-card:nth-child(4n+3):hover { border-top-color: #FBBC04; }
.blog-grid .post-card:nth-child(4n):hover   { border-top-color: #34A853; }

.post-card-img {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-light);
  position: relative;
}
.post-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.post-card:hover .post-card-img img { transform: scale(1.06); }
.post-card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 55%, rgba(0,0,0,.12));
  pointer-events: none;
}
.post-card-img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.post-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card-title {
  font-size: var(--text-base);
  margin: var(--space-2) 0 var(--space-3);
  line-height: 1.45;
}
.post-card-title a { color: var(--text); }
.post-card-title a:hover { color: var(--blue); }
.post-card-excerpt { font-size: var(--text-sm); flex: 1; margin-bottom: 0; }

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
}
.post-read-link {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: .04em;
  display: flex;
  align-items: center;
  gap: 4px;
}
.post-read-link:hover { color: var(--blue-dark); }

/* ============================================
   27. Blog Pagination
   ============================================ */
.blog-pagination { margin-top: var(--space-14); }
.blog-pagination .nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}
.blog-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.blog-pagination .page-numbers:hover,
.blog-pagination .page-numbers.current {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}
.blog-pagination .page-numbers.dots { border-color: transparent; background: none; }

/* Empty state */
.blog-empty { text-align: center; padding: 80px 24px; }
.blog-empty-icon { font-size: 4rem; margin-bottom: var(--space-4); }
.blog-empty h3 { margin-bottom: var(--space-2); }
.blog-empty p { margin-bottom: var(--space-7); }

/* Blog CTA strip */
.blog-cta-strip {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  padding: var(--space-12) 0;
  margin-top: var(--space-18);
}
.blog-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.blog-cta-inner h3 { color: #fff; margin-bottom: 6px; }
.blog-cta-inner p { color: rgba(255,255,255,.8); margin: 0; }

/* ============================================
   28. Single Post
   ============================================ */

/* Breadcrumb */
.breadcrumb-nav {
  padding: 80px 0 0;
  background: #fff;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  list-style: none;
  padding: 12px 0;
  font-size: var(--text-xs);
}
.breadcrumb a { color: var(--text-secondary); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb-sep { color: var(--border); }
.breadcrumb-current { color: var(--text); font-weight: 600; }

/* Post header */
.blog-header {
  padding: 140px 0 60px;
  background:
    radial-gradient(ellipse 70% 60% at 80% 0%, rgba(26,115,232,.09) 0%, transparent 55%),
    linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
  text-align: center;
  position: relative;
}
.blog-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4285F4 0%, #EA4335 25%, #FBBC04 50%, #34A853 75%, #4285F4 100%);
  background-size: 200% 100%;
  animation: google-shimmer 4s linear infinite;
}
.blog-header .section-label { margin-bottom: var(--space-4); }
.blog-header h1 { max-width: 760px; margin: 0 auto 20px; }
.blog-header .post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  flex-wrap: wrap;
}

/* Also handle single post version (no text-align: center) */
.breadcrumb-nav + .blog-header {
  padding: 20px 0 48px;
  background: #fff;
  text-align: left;
}
.post-cat-link { text-decoration: none; }
.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.post-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Featured image */
.post-featured-image { padding: 0 0 40px; background: #fff; }
.post-hero-img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  display: block;
  box-shadow: var(--shadow-lg);
}

/* Post layout */
.post-layout { padding: 0 0 80px; background: #fff; }
.post-layout .container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  align-items: start;
}

/* Post content typography */
.post-content { min-width: 0; }
.post-content h2 {
  font-size: 1.625rem;
  margin: 52px 0 18px;
  padding-top: 8px;
  padding-bottom: 14px;
  color: var(--text);
  letter-spacing: -.015em;
  border-bottom: 2px solid var(--border-light);
  position: relative;
}
.post-content h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}
.post-content h3 {
  font-size: 1.25rem;
  margin: 36px 0 14px;
  color: var(--text);
  padding-left: 12px;
  border-left: 3px solid var(--blue);
}
.post-content p {
  margin-bottom: 22px;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: #3c4043;
}
.post-content ul, .post-content ol { margin: 0 0 24px 26px; }
.post-content li {
  margin-bottom: 9px;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #3c4043;
}
.post-content strong { color: var(--text); }
.post-content a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.post-content img {
  border-radius: var(--radius-lg);
  margin: 28px 0;
  box-shadow: var(--shadow-md);
}
.post-content blockquote {
  border-left: 4px solid var(--blue);
  margin: 36px 0;
  padding: 18px 28px;
  background: var(--bg-blue-pale);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.post-content blockquote p { color: var(--text); font-style: italic; margin: 0; line-height: 1.8; }
.post-content table { width: 100%; border-collapse: collapse; margin: 28px 0; }
.post-content th { background: var(--bg-light); font-weight: 700; }
.post-content th, .post-content td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  font-size: var(--text-base);
  text-align: left;
}
.post-content code {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: .875em;
  color: var(--red);
}
.post-content pre {
  background: #1e2533;
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-6);
  overflow-x: auto;
  margin: 28px 0;
}
.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: #e2e8f0;
  font-size: var(--text-sm);
}

/* Tags */
.post-tags {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.post-tags .tag-list a {
  display: inline-block;
  padding: 5px 13px;
  background: var(--bg-light);
  border-radius: 100px;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin: 2px;
  transition: all var(--transition);
  text-decoration: none;
  border: 1px solid var(--border);
}
.post-tags .tag-list a:hover {
  background: var(--bg-blue);
  color: var(--blue);
  border-color: rgba(26,115,232,.3);
}

/* Share buttons */
.post-share {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-6);
  padding: 20px 0;
}
.post-share-label { font-size: var(--text-sm); font-weight: 700; color: var(--text); }
.share-buttons { display: flex; gap: var(--space-2); }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600;
  transition: all var(--transition-md);
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font);
}
.share-btn:hover { border-color: var(--blue); color: var(--blue); box-shadow: var(--shadow-sm); }
.share-btn--fb:hover { border-color: #1877f2; color: #1877f2; }
.share-btn--copied { border-color: var(--green) !important; color: var(--green) !important; }

/* Sidebar */
.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: sticky;
  top: 96px;
}

/* TOC */
.post-toc {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: 96px;
}
.toc-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 20px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.post-toc h5 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .07em;
}
.post-toc ul { display: flex; flex-direction: column; gap: 4px; }
.post-toc ul a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: block;
  padding: 5px 0;
  border-left: 2px solid transparent;
  padding-left: 10px;
  transition: all var(--transition);
}
.post-toc ul a:hover { color: var(--blue); border-color: var(--blue); }
#toc-nav { padding: 12px 0; }
#toc-nav a {
  display: block;
  padding: 6px 20px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.45;
  text-decoration: none;
}
#toc-nav a:hover { color: var(--blue); border-color: var(--blue); background: var(--bg-blue-pale); }
#toc-nav a.toc-active { color: var(--blue); border-color: var(--blue); font-weight: 600; }
#toc-nav a.toc-h3 { padding-left: 32px; font-size: var(--text-xs); }
.toc-loading { font-size: var(--text-xs); color: var(--text-secondary); padding: 12px 20px; margin: 0; }

/* Sidebar CTA */
.sidebar-cta {
  background: linear-gradient(145deg, var(--bg-blue-pale) 0%, #f0f4ff 100%);
  border: 1px solid rgba(26,115,232,.15);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}
.sidebar-cta-icon { font-size: 2rem; margin-bottom: var(--space-3); }
.sidebar-cta h4 { margin-bottom: var(--space-2); font-size: var(--text-base); }
.sidebar-cta p { font-size: var(--text-sm); margin-bottom: var(--space-4); }
.sidebar-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--blue);
}

/* Sidebar related */
.sidebar-related {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.sidebar-heading {
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--text-secondary);
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  margin: 0;
}
.related-list { display: flex; flex-direction: column; }
.related-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
  text-decoration: none;
}
.related-item:last-child { border-bottom: none; }
.related-item:hover { background: var(--bg-light); }
.related-thumb {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.related-thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.related-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-meta { font-size: var(--text-xs); color: var(--text-secondary); }

/* Post nav strip */
.post-nav-strip {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: var(--space-6) 0;
}
.post-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.post-prev-next { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-width: 240px;
  text-decoration: none;
}
.post-nav-dir {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .07em;
}
.post-nav-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--blue);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   29. Floating CTA (mobile only)
   ============================================ */
.floating-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 -4px 20px rgba(0,0,0,.1);
}
.floating-cta-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: space-between;
}
.floating-cta-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.floating-cta-text strong {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.floating-cta-text span {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}
.floating-cta .btn { flex-shrink: 0; }

/* ============================================
   30. Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-blue  { color: var(--blue); }
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-muted { color: var(--text-muted); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}
.visually-hidden { @extend .sr-only; }

/* ============================================
   31. Google Color Dots (reusable)
   ============================================ */
.g-dot-blue   { background: var(--blue); }
.g-dot-red    { background: var(--red); }
.g-dot-yellow { background: var(--yellow); }
.g-dot-green  { background: var(--green); }

/* ============================================
   32. Responsive – 1280px
   ============================================ */
@media (max-width: 1280px) {
  .container { max-width: 1080px; }
  .stats-row { grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
  .mega-menu { min-width: 640px; }
}

/* ============================================
   33. Responsive – 1024px
   ============================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero-visual { display: none; }

  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .pricing-card.popular { transform: translateY(0); }
  .pricing-card.popular:hover { transform: translateY(-8px); }

  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }

  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }

  .post-layout .container { grid-template-columns: 1fr; gap: var(--space-10); }
  .post-toc { position: static; }
  .post-sidebar { position: static; }

  .nav-menu, .header-cta { display: none; }
  .hamburger { display: flex; }
  .header-phone { display: none; }
  .header-cta-divider { display: none; }

  /* Hide mega menu entirely on tablet */
  .mega-menu { display: none; }

  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .post-featured { grid-template-columns: 1fr; }
  .post-featured-img { min-height: 260px; }
  .post-featured-body { padding: 32px; }
}

/* ============================================
   34. Responsive – 768px
   ============================================ */
@media (max-width: 768px) {
  .section { padding: var(--space-16) 0; }
  .hero { padding: 120px 0 72px; }
  .hero-stats { gap: var(--space-5); }
  .hero-actions { flex-wrap: wrap; }

  .benefits-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }

  .contact-inner { grid-template-columns: 1fr; gap: var(--space-10); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .feature-content.active { grid-template-columns: 1fr; gap: var(--space-8); }
  .pricing-enterprise { flex-direction: column; text-align: center; padding: var(--space-8) var(--space-6); }
  .form-row { grid-template-columns: 1fr; }

  .blog-grid { grid-template-columns: 1fr; }
  .blog-cta-inner { flex-direction: column; text-align: center; }
  .post-nav-inner { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .post-prev-next { flex-direction: column; gap: var(--space-3); }
  .post-nav-link { max-width: none; }
  .breadcrumb-nav { padding-top: 72px; }
  .blog-hero { padding: 110px 0 48px; }

  .trust-badges { gap: var(--space-3); }
  .trust-badge { min-width: calc(50% - var(--space-2)); }

  /* Show floating CTA on mobile */
  .floating-cta { display: block; }
  /* Bump scroll-top up to avoid overlap */
  .scroll-top { bottom: 84px; }

  .mega-menu-inner { grid-template-columns: 1fr; }
}

/* ============================================
   35. Responsive – 640px
   ============================================ */
@media (max-width: 640px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .hero-badge { font-size: .6875rem; }
  .section-header { margin-bottom: var(--space-10); }
  .contact-form-wrap { padding: var(--space-6); }
  .post-featured-body { padding: var(--space-6); }
  .post-featured-title { font-size: 1.25rem; }
  .blog-pagination .page-numbers { min-width: 36px; height: 36px; font-size: var(--text-xs); }
  .share-btn { padding: 8px 14px; }
  .trust-badge { min-width: 100%; max-width: none; }
}

/* ============================================
   36. Responsive – 480px
   ============================================ */
@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .features-tabs { gap: 6px; }
  .feature-tab { padding: 9px 15px; font-size: var(--text-xs); }
  .stats-row { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .stat-card { padding: var(--space-6) var(--space-4); }
  .stat-card-num { font-size: 1.75rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-links { flex-direction: column; gap: var(--space-3); }
  .pricing-enterprise { padding: var(--space-6) var(--space-4); }
  .post-share { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
  .share-buttons { flex-wrap: wrap; }
}

/* ============================================
   37. Print Styles
   ============================================ */
@media print {
  .site-header,
  .scroll-top,
  .reading-progress,
  .post-share,
  .floating-cta,
  .mobile-nav,
  .mobile-overlay {
    display: none !important;
  }
  body { font-size: 12pt; }
  a { color: var(--text); text-decoration: underline; }
  .post-content { max-width: 100%; }
}

/* ============================================
   38. Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .logos-track { animation: none; }
  .hero::after { animation: none; }
  .hero-float-badge { animation: none; }
}

/* ============================================
   39. Mobile Accordion (nav drawer)
   ============================================ */
.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.mobile-nav-link:hover { background: var(--bg-blue); color: var(--blue); }

.mobile-accordion { border-radius: var(--radius-sm); overflow: hidden; }

.mobile-accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 16px;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.mobile-accordion-trigger:hover { background: var(--bg-blue); color: var(--blue); }
.mobile-accordion-trigger[aria-expanded="true"] { background: var(--bg-blue); color: var(--blue); }
.mobile-accordion-trigger svg { transition: transform var(--transition); flex-shrink: 0; }
.mobile-accordion-trigger[aria-expanded="true"] svg { transform: rotate(180deg); }

.mobile-accordion-body {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .35s ease, opacity .3s ease;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}

.mobile-sub-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 12px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.mobile-sub-item:hover { background: var(--bg-blue); color: var(--blue); }
.mobile-sub-item svg { flex-shrink: 0; }

/* ============================================
   40. Apps Grid Section
   ============================================ */
.apps-section { background: var(--bg-light); }

.apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.app-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--transition-md);
  cursor: default;
}
.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(26,115,232,.2);
}
.app-card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  border-radius: var(--radius);
  background: var(--bg-light);
  padding: var(--space-3);
}
.app-card-name {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-2);
}
.app-card-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .apps-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .app-card { padding: var(--space-6) var(--space-4); }
}
@media (max-width: 480px) {
  .apps-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   41. Trust Section
   ============================================ */
.trust-section { background: #fff; }

/* ============================================
   42. Footer Google Colors
   ============================================ */
.footer-google-colors {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.footer-google-colors span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}

.footer-logo-name em {
  font-style: normal;
  color: var(--blue);
}

/* ============================================
   43. Partner Strip
   ============================================ */
.partner-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.partner-strip-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--text);
  font-size: var(--text-sm);
}
.partner-strip-dot { opacity: .4; }
.partner-strip-colors {
  display: inline-flex;
  gap: 3px;
  vertical-align: middle;
}
.partner-strip-colors span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

/* ============================================
   44. Hero Floating Cards (reference style)
   ============================================ */
.hero-art {
  position: relative;
  min-height: 380px;
}

.floating-card {
  position: absolute;
  background: #fff;
  padding: 14px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floaty 4s ease-in-out infinite;
  min-width: 220px;
}
.floating-card strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
}
.floating-card small {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-icon svg { display: block; }

.card-mail  { top: 20px;  left: 0;    animation-delay: 0s; }
.card-drive { top: 140px; right: 0;   animation-delay: 1.3s; }
.card-meet  { bottom: 60px; left: 40px; animation-delay: 2.6s; }
.card-docs  { bottom: 10px; right: 20px; animation-delay: 1.8s; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

@media (max-width: 768px) {
  .hero-art { min-height: 280px; }
  .floating-card { min-width: 160px; padding: 10px 14px; }
  .card-icon { width: 36px; height: 36px; }
  .card-drive { top: 100px; }
  .card-meet  { bottom: 20px; }
}
@media (max-width: 480px) {
  .hero-art { min-height: 220px; }
  .card-docs { display: none; }
  .floating-card { min-width: 140px; }
}

/* ============================================
   45. Pricing: numbered badge, ribbon, tagline, renewal
   ============================================ */
.pkg-num {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .3px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}
.pricing-card.popular .pkg-num {
  background: var(--bg-blue);
  color: var(--blue);
  border-color: rgba(26,115,232,.2);
}

.pricing-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #1a73e8 0%, #0d8c5a 100%);
  color: #fff;
  padding: 5px 18px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(26,115,232,.3);
}

.pkg-tagline {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin: 4px 0 12px;
  min-height: 32px;
  line-height: 1.5;
  padding-right: 28px;
}

.pkg-vat-note {
  font-size: 11px;
  color: var(--text-secondary);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 12px;
}

.pkg-renewal-note {
  font-size: 11px;
  color: var(--text-tertiary, #9aa0a6);
  text-align: center;
  margin: 10px 0 0;
  line-height: 1.4;
}

/* ============================================
   46. Live Estimate Box
   ============================================ */
.estimate {
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius);
  margin: var(--space-4) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.est-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.est-total {
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  font-size: var(--text-base);
  color: var(--text);
  font-weight: 500;
  margin-top: var(--space-1);
}
.est-total strong {
  color: var(--green);
  font-size: 1.2rem;
}
.est-note {
  font-size: 11px;
  color: var(--text-secondary);
  margin: var(--space-2) 0 0;
  opacity: .8;
}
.est-tier-note {
  font-size: 12px;
  color: var(--blue);
  background: var(--bg-blue-pale);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  margin-bottom: var(--space-2);
}

/* ============================================
   47. Floating Contact Widget
   ============================================ */
.float-contact {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-modal, 9999);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.fc-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  transition: transform .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.fc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.28);
  text-decoration: none;
}
.fc-btn svg { flex-shrink: 0; }
.fc-label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-width .3s ease, opacity .3s ease;
}
.float-contact:hover .fc-label {
  max-width: 200px;
  opacity: 1;
}
.fc-phone    { background: linear-gradient(135deg, #00b09b, #096c58); }
.fc-phone2   { background: linear-gradient(135deg, #2c7be5, #1a4fa0); }
.fc-zalo     { background: linear-gradient(135deg, #0068ff, #0050cc); }
.fc-facebook { background: linear-gradient(135deg, #1877f2, #0d5cb8); }

@media (max-width: 600px) {
  .float-contact { bottom: 16px; right: 16px; gap: 8px; }
  .fc-btn { padding: 11px; border-radius: 50%; }
  .fc-label { display: none; }
}

/* ============================================
   48. Footer Social Buttons
   ============================================ */
.footer-social {
  display: flex;
  gap: 8px;
  margin-top: var(--space-5);
}
.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.65);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.footer-social-btn:hover {
  background: rgba(255,255,255,.14);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================
   49. Thank-you Page
   ============================================ */
.thankyou-page {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding: var(--space-20) 0 var(--space-16);
}
.thankyou-hero {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}
.thankyou-icon {
  display: inline-flex;
  margin-bottom: var(--space-6);
  animation: tq-pop .6s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes tq-pop {
  from { opacity: 0; transform: scale(.4); }
  to   { opacity: 1; transform: scale(1); }
}
.thankyou-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  background: linear-gradient(135deg, #34A853, #1a73e8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.thankyou-desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.thankyou-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  max-width: 760px;
  margin: 0 auto var(--space-10);
}
.thankyou-step {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
}
.thankyou-step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.tqs-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.thankyou-step > div:last-child {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.thankyou-step strong {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.thankyou-step span {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.4;
}

.thankyou-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-14);
}
.thankyou-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-md);
  background: linear-gradient(135deg, #1a73e8, #1557b0);
  color: #fff;
  box-shadow: 0 2px 10px rgba(26,115,232,.35);
}
.thankyou-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,115,232,.45);
  color: #fff;
}
.thankyou-contact-btn--zalo {
  background: linear-gradient(135deg, #0068ff, #0050cc);
  box-shadow: 0 2px 10px rgba(0,104,255,.35);
}
.thankyou-contact-btn--zalo:hover {
  box-shadow: 0 6px 20px rgba(0,104,255,.45);
}

.thankyou-apps {
  text-align: center;
  padding: var(--space-10) 0 var(--space-6);
  border-top: 1px solid var(--border-light);
}
.thankyou-apps-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0 0 var(--space-6);
}
.thankyou-apps-grid {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.thankyou-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.thankyou-app span {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 767px) {
  .thankyou-steps { grid-template-columns: 1fr; }
  .thankyou-actions { flex-direction: column; align-items: stretch; }
  .thankyou-contact-btn { justify-content: center; }
  .thankyou-apps-grid { gap: var(--space-4); }
}