/* ============================================
   LeadBuzz OPT3 — Coinbase Style Design
   Design System: Minimalist & Trustworthy Fintech
   Colors: Coinbase Blue #0052FF + Dark Base #0A0B0D
   Fonts: Inter (Coinbase Sans substitute)
   Typography: Clean, High contrast
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
  --primary: #0052FF;
  --primary-light: #4A83FF;
  --primary-darker: #003ECC;
  --primary-50: #F3F8FF;
  --primary-100: #D9E6FF;  
  --primary-900: #0A0B0D;

  --cta: #0052FF;
  --cta-hover: #003ECC;
  --cta-light: #F3F8FF;

  --bg: #FAFAFA;
  --bg-white: #FFFFFF;
  --bg-dark: #0A0B0D;
  --bg-dark-card: #151619;
  --bg-dark-border: #272A30;

  --text: #050F19;
  --text-secondary: #5C677D;
  --text-muted: #8A96AA;
  --text-white: #FFFFFF;

  --border: #E2E8F0;
  --border-focus: #0052FF;

  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

  --font-heading: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --container: 1200px;
  --section-gap: 96px;
  --transition: 200ms ease;
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; cursor: pointer; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-body); }

/* --- Hide Google Translate Default UI --- */
.goog-te-banner-frame, #goog-gt-tt, .goog-te-balloon-frame { display: none !important; }
.goog-te-gadget { font-size: 0 !important; }
body { top: 0 !important; }
.skiptranslate { display: none !important; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* --- Keyframes --- */
@keyframes fadeUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeLeft { from { opacity:0; transform:translateX(-30px); } to { opacity:1; transform:translateX(0); } }
@keyframes fadeRight { from { opacity:0; transform:translateX(30px); } to { opacity:1; transform:translateX(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes slideDown { from { opacity:0; transform:translateY(-16px); } to { opacity:1; transform:translateY(0); } }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.5; } }
@keyframes scroll { 0% { transform:translateX(0); } 100% { transform:translateX(-50%); } }
@keyframes countIn { from { opacity:0; transform:scale(0.6); } to { opacity:1; transform:scale(1); } }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-8px); } }
@keyframes glow { 0%,100% { box-shadow:0 0 20px rgba(37,99,235,0.15); } 50% { box-shadow:0 0 40px rgba(37,99,235,0.3); } }
@keyframes dash { to { stroke-dashoffset: 0; } }
@keyframes waveMove { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }

/* --- Scroll Animations --- */
.anim { opacity:0; transform:translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.anim.show { opacity:1; transform:translateY(0); }
.anim.d1 { transition-delay:.1s; } .anim.d2 { transition-delay:.2s; }
.anim.d3 { transition-delay:.3s; } .anim.d4 { transition-delay:.4s; }
.anim.d5 { transition-delay:.5s; } .anim.d6 { transition-delay:.6s; }

/* --- Typography (Uber DESIGN.md hierarchy) ---
   Display/Hero: 52px / 700 / 1.23
   Section Heading: 36px / 700 / 1.22
   Card Title: 32px / 700 / 1.25
   Sub-heading: 24px / 700 / 1.33
   Small Heading: 20px / 700 / 1.40
   Nav/UI Large: 18px / 500 / 1.33
   Body/Button: 16px / 400-500 / 1.25-1.50
   Caption: 14px / 400-500 / 1.43
   Micro: 12px / 400 / 1.67
*/
.section-label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary);
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--primary);
}
.section-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.22;
  color: var(--text);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 16px;
  line-height: 1.50;
  color: var(--text-secondary);
  max-width: 640px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px; /* Coinbase pill-shape style */
  font-size: 16px;
  font-weight: 600;
  border: none;
  transition: all var(--transition);
}
.btn-cta {
  background: var(--cta);
  color: #fff;
}
.btn-cta:hover { background: var(--cta-hover); transform:scale(1.02); }
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-darker); transform:scale(1.02); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-darker); }
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
}
.btn-outline-white:hover { border-color:#fff; background:rgba(255,255,255,0.1); }
.btn-white {
  background: #fff;
  color: var(--primary);
  border: none;
}
.btn-white:hover { background: var(--primary-50); transform:scale(1.02); }

/* ============================================
   NAVBAR — SaaS Analytics Dashboard Style
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  animation: slideDown 0.5s ease;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar__logo {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar__logo-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}
.navbar__nav { display:flex; align-items:center; gap:8px; }
.navbar__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.navbar__link:hover { color: var(--primary); background: var(--primary-50); }
.navbar__link--dd::after { content:'▾'; margin-left:4px; font-size:10px; }
.navbar__actions { display:flex; align-items:center; gap:16px; }
/* Language Flag Switcher */
.navbar__lang-switcher {
  position: relative;
}
.navbar__lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
}
.navbar__lang-btn:hover {
  background: var(--bg);
  border-color: #d1d5db;
}
.navbar__flag {
  width: 22px;
  height: 16px;
  min-width: 22px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
}
.navbar__lang-chevron {
  font-size: 10px;
  transition: transform 0.2s;
}
.navbar__lang-switcher:hover .navbar__lang-chevron {
  transform: rotate(180deg);
}
.navbar__lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  z-index: 100;
}
.navbar__lang-switcher:hover .navbar__lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.navbar__lang-option {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  min-width: 38px;
  min-height: 32px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: all var(--transition);
}
.navbar__lang-option:hover {
  background: var(--primary-50);
}
.navbar__lang-option.active {
  border-color: var(--primary);
  background: transparent;
}
.navbar__hamburger {
  display: none;
  width:40px; height:40px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,0.25);
  background:rgba(255,255,255,0.1);
  color:#fff;
  align-items:center; justify-content:center;
  font-size:18px;
}
.navbar__mobile-menu { display: none; }

/* ============================================
   HERO — SaaS Analytics Dashboard (Light)
   ============================================ */
.hero {
  padding: 180px 0 100px;
  background: #fff;
  color: var(--text);
  position: relative;
  overflow: hidden;
}
/* Removed noisy gradients and grid bg for Coinbase clean style */
.hero .container {
  display:grid;
  grid-template-columns: 0.95fr 1.05fr; /* Thay đổi tỷ lệ: Cột phải lớn hơn một ít kéo theo hình to ra */
  gap: 56px;
  align-items:center;
  position:relative;
  z-index:1;
}
.hero__badge {
  display:inline-flex;
  align-items:center;
  gap:8px;
  background: #EEF2FF; /* Màu xanh tím nhạt */
  border:none;
  padding: 8px 20px;
  border-radius: 999px; /* Khung bo tròn 2 đầu */
  font-family:var(--font-heading);
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  margin-bottom:20px;
  animation: fadeUp 0.5s ease 0.1s both;
}
.hero__badge-dot {
  width:8px; height:8px;
  background:var(--primary);
  border-radius:50%;
  animation:pulse 2s ease infinite;
}
.hero__title {
  font-family:var(--font-heading);
  font-size: 46px; /* Giảm font-size xuống một cỡ nữa */
  font-weight:700;
  line-height:1.25;
  color:var(--text);
  margin-bottom:24px;
  animation: fadeUp 0.5s ease 0.2s both;
}
.hero__title mark {
  background: linear-gradient(135deg, var(--primary), #7C3AED);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero__desc {
  font-size:16px;
  line-height:1.50;
  color:var(--text-secondary);
  margin-bottom:32px;
  max-width:500px;
  animation: fadeUp 0.5s ease 0.3s both;
}
.hero__ctas {
  display:flex; flex-wrap: wrap; gap:12px; margin-bottom:28px;
  animation: fadeUp 0.5s ease 0.4s both;
}
.hero__trust {
  display:flex; gap:20px; font-size:14px; color:var(--text-secondary);
  animation: fadeUp 0.5s ease 0.5s both;
  font-weight:500;
  background: #EEF2FF; /* Màu xanh tím nhạt */
  padding: 12px 24px;
  border-radius: 999px; /* Khung bo tròn 2 đầu */
  width: max-content;
  flex-wrap: wrap;
}
.hero__trust span { display:flex; align-items:center; gap:6px; }
.hero__visual {
  animation: fadeRight 0.6s ease 0.3s both;
  position:relative;
}
.hero__img-placeholder {
  background: linear-gradient(145deg, #f8fafc, #eef2ff);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  aspect-ratio:4/3;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  padding:32px; text-align:center;
  color:var(--text-muted);
  font-size:13px;
  box-shadow: 0 20px 60px rgba(37,99,235,0.1), 0 8px 20px rgba(0,0,0,0.04);
  position:relative;
  overflow:hidden;
}
.hero__img-placeholder::before {
  content:'';
  position:absolute; top:0; left:0; right:0; height:3px;
  background: linear-gradient(90deg, var(--primary), #7C3AED, var(--primary));
  background-size: 200% 100%;
  animation: waveMove 3s linear infinite;
}
.img-note {
  border:1px dashed rgba(255,255,255,0.2);
  padding:16px 24px;
  border-radius:var(--radius-md);
  font-family:var(--font-heading);
  font-size:12px;
  line-height:1.8;
}
.img-note strong { color:rgba(255,255,255,0.6); display:block; margin-bottom:4px; }
.img-note-icon { font-size:32px; margin-bottom:8px; display:block; }

/* On light bg */
.img-placeholder-light {
  background: var(--primary-50);
  border:2px dashed var(--border);
  border-radius:var(--radius-lg);
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  padding:32px; text-align:center;
  color:var(--text-muted);
  font-size:13px;
  font-family:var(--font-heading);
  line-height:1.8;
}
.img-placeholder-light strong { color:var(--text-secondary); display:block; margin-bottom:4px; }

/* ============================================
   TRUST BAR
   ============================================ */
.trust-bar {
  padding:40px 0 32px;
  background:var(--bg);
  overflow:hidden;
  position:relative;
}
.trust-bar::before,
.trust-bar::after {
  content:'';
  position:absolute;
  top:0; bottom:0;
  width:80px;
  z-index:2;
  pointer-events:none;
}
.trust-bar::before { left:0; background:linear-gradient(90deg, var(--bg), transparent); }
.trust-bar::after { right:0; background:linear-gradient(270deg, var(--bg), transparent); }
.trust-bar__label {
  text-align:center;
  font-size:13px; font-weight:500;
  color:var(--text-muted);
  text-transform:uppercase;
  letter-spacing:1.5px;
  margin-bottom:24px;
  font-family:var(--font-heading);
}
.trust-bar__track {
  display:flex; gap:32px;
  align-items:center;
  width:max-content;
  padding:0 16px;
  will-change: transform;
}
.trust-bar__item {
  padding:12px 32px;
  border-radius:var(--radius-md);
  background:var(--bg-white);
  font-size:14px; font-weight:700;
  color:var(--text-muted);
  white-space:nowrap;
  border:none;
  box-shadow:0 1px 3px rgba(0,0,0,0.05);
  transition: all .3s;
  letter-spacing:0.3px;
}
.trust-bar__item:hover { color:var(--primary); box-shadow:0 2px 8px rgba(0,82,255,0.12); transform:translateY(-2px); }

/* ============================================
   PROBLEM
   ============================================ */
.problem {
  padding:var(--section-gap) 0;
  background:var(--bg-white);
}
.problem .container {
  display:grid; grid-template-columns:1fr 1fr;
  gap:64px; align-items:center;
}
.pain-cards { display:flex; flex-direction:column; gap:16px; margin-top:32px; }
.pain-card {
  display:flex; align-items:flex-start;
  gap:16px; padding:20px;
  background:#f1f5f9;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  transition: all var(--transition);
}
.pain-card:hover { border-color:var(--primary); box-shadow:var(--shadow-md); transform:translateX(4px); }
.pain-card__icon {
  width:44px; height:44px; flex-shrink:0;
  background:var(--primary-50);
  border:1px solid var(--primary-100);
  border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
}
.pain-card__icon svg { width:20px; height:20px; color:var(--primary); }
.pain-card h4 { font-size:16px; font-weight:700; line-height:1.25; margin-bottom:2px; }
.pain-card p { font-size:14px; color:var(--text-secondary); line-height:1.43; }

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
  padding:var(--section-gap) 0;
  background:var(--bg);
}
.steps-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:24px; margin-top:56px;
  position:relative;
}
.steps-grid::before {
  content:'';
  position:absolute;
  top:60px; left:16%; right:16%;
  height:2px;
  background: repeating-linear-gradient(90deg, var(--primary) 0, var(--primary) 8px, transparent 8px, transparent 16px);
  opacity:0.3;
}
.step-card {
  background:#f1f5f9;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  text-align:center;
  position:relative; z-index:1;
  transition: all .3s ease;
}
.step-card:hover { border-color:var(--primary); box-shadow:var(--shadow-lg); transform:translateY(-6px); background: #fff; }
.step-card__num {
  font-family:var(--font-heading);
  font-size:11px; font-weight:700;
  color:var(--primary);
  text-transform:uppercase;
  letter-spacing:2px;
  margin-bottom:16px;
}
.step-card__icon {
  width:72px; height:72px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius:var(--radius-lg);
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 20px;
  transition: transform .3s;
}
.step-card:hover .step-card__icon { transform:scale(1.08) rotate(3deg); }
.step-card__icon svg { width:32px; height:32px; color:#fff; }
.step-card__title {
  font-family:var(--font-heading);
  font-size:20px; font-weight:700;
  line-height:1.40;
  margin-bottom:10px;
}
.step-card__desc { font-size:14px; color:var(--text-secondary); line-height:1.43; margin-bottom:16px; }
.step-card__metric {
  display:inline-block;
  background:var(--primary-50);
  border:1px solid var(--primary-100);
  color:var(--primary);
  padding:6px 14px;
  border-radius:var(--radius-sm);
  font-family:var(--font-heading);
  font-size:12px; font-weight:600;
}

/* ============================================
   PLATFORM MODULES
   ============================================ */
.platform {
  padding:var(--section-gap) 0;
  background:var(--bg-white);
}
.modules {
  display:grid; grid-template-columns:repeat(2,1fr);
  gap:20px; margin-top:56px;
}
.mod-card {
  background:#F1F5F9;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  transition: all .4s cubic-bezier(0.16, 1, 0.3, 1);
  position:relative;
  overflow:hidden;
}
.mod-card::after {
  content:'';
  position:absolute; bottom:0; left:0; right:0;
  height:3px;
  background:linear-gradient(90deg, var(--primary), var(--cta));
  transform:scaleX(0);
  transition:transform .4s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin:left;
}
.mod-card:hover { border-color:var(--primary); box-shadow:0 16px 40px rgba(0,82,255,0.15); transform:translateY(-6px); background:#fff; }
.mod-card:hover::after { transform:scaleX(1); }
.mod-card__header { display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.mod-card__icon {
  width:44px; height:44px;
  background:linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius:var(--radius-md);
  display:flex; align-items:center; justify-content:center;
}
.mod-card__icon svg { width:22px; height:22px; color:#fff; }
.mod-card__title {
  font-family:var(--font-heading);
  font-size:20px; font-weight:700;
  line-height:1.40;
}
.mod-card__desc { font-size:16px; color:var(--text-secondary); line-height:1.50; margin-bottom:16px; }
.mod-card__features { display:flex; flex-direction:column; gap:8px; }
.mod-card__features li {
  font-size:13px; color:var(--text-secondary);
  padding-left:20px; position:relative;
}
.mod-card__features li::before {
  content:''; position:absolute; left:0; top:6px;
  width:8px; height:8px;
  border:2px solid var(--primary);
  border-radius:50%;
}
.platform__full { margin-top:48px; }

/* ============================================
   DEMO
   ============================================ */
.demo {
  padding:var(--section-gap) 0;
  background:var(--bg);
  text-align:center;
}
.demo__video {
  max-width:800px; margin:40px auto;
  aspect-ratio:16/9;
  background: linear-gradient(145deg, var(--bg-dark), var(--bg-dark-card));
  border:1px solid var(--bg-dark-border);
  border-radius:var(--radius-lg);
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  color:rgba(255,255,255,0.4);
  text-align:center; padding:32px;
  cursor:pointer;
  transition: all .3s;
  box-shadow:var(--shadow-xl);
  position:relative;
  overflow:hidden;
}
.demo__video::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--primary), var(--cta));
}
.demo__video:hover { transform:scale(1.02); }
.demo__play {
  width:64px; height:64px;
  background:var(--cta);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
  transition:transform .3s;
  box-shadow:0 0 30px rgba(249,115,22,0.3);
}
.demo__video:hover .demo__play { transform:scale(1.1); }
.demo__play svg { width:28px; height:28px; color:#fff; margin-left:3px; }
.demo__kpis {
  display:flex; justify-content:center;
  gap:48px; margin:48px 0;
}
.demo__kpi { text-align:center; }
.demo__kpi-val {
  font-family:var(--font-heading);
  font-size:32px; font-weight:700;
  line-height:1.25;
  color:var(--primary);
}
.demo__kpi-label { font-size:14px; color:var(--text-secondary); margin-top:4px; line-height:1.43; }

/* ============================================
   ROI
   ============================================ */
.roi {
  padding:var(--section-gap) 0;
  background: linear-gradient(135deg, #7C3AED 0%, var(--primary) 100%);
  color:#fff;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.roi::before {
  content:''; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size:64px 64px;
}
.roi .section-label { color:var(--cta); }
.roi .section-label::before { background:var(--cta); }
.roi .section-title { color:#fff; }
.roi__grid {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:24px; margin-top:56px;
  position:relative; z-index:1;
}
.roi__card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-xl);
  padding: 40px 28px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.roi__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cta), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.roi__card:hover { 
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  transform: translateY(-8px); 
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 20px rgba(249,115,22,0.15);
}
.roi__card:hover::before { opacity: 1; }
.roi__val {
  font-family: var(--font-heading);
  font-size: 56px; 
  font-weight: 800;
  line-height: 1.2;
  color: transparent;
  background: linear-gradient(135deg, #fff 20%, var(--cta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  margin-bottom: 12px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}
.roi__desc { 
  font-size: 16px; 
  color: rgba(255, 255, 255, 0.9); 
  line-height: 1.6; 
  font-weight: 400; 
}
.roi__note { 
  margin-top:40px; 
  font-size:14px; 
  color:#fff; 
  font-weight: 500;
  font-style:italic; 
  line-height:1.67; 
  position:relative; 
  z-index:1; 
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  padding: 8px 24px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ============================================
   INDUSTRIES
   ============================================ */
.industries {
  padding:var(--section-gap) 0;
  background:var(--bg-white);
}
.ind-grid {
  display:flex; 
  flex-wrap:wrap; 
  justify-content:center;
  gap:16px; margin-top:56px;
}
.ind-card {
  width: calc(25% - 12px);
  padding:28px 20px;
  background:#F1F5F9;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  text-align:center;
  transition:all .3s;
}
.ind-card:hover { border-color:var(--primary); box-shadow:var(--shadow-md); transform:translateY(-4px); }
.ind-card__icon {
  width:52px; height:52px;
  background:var(--primary-50);
  border:1px solid var(--primary-100);
  border-radius:var(--radius-md);
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 14px;
}
.ind-card__icon svg { width:24px; height:24px; color:var(--primary); }
.ind-card__title { font-family:var(--font-heading); font-size:16px; font-weight:700; line-height:1.25; margin-bottom:8px; }
.ind-card__desc { font-size:14px; color:var(--text-secondary); line-height:1.43; margin-bottom:12px; }
.ind-card__link { font-size:14px; font-weight:500; color:var(--primary); display:inline-flex; align-items:center; gap:4px; transition:gap .2s; }
.ind-card:hover .ind-card__link { gap:8px; }

/* ============================================
   CASE STUDIES
   ============================================ */
.cases {
  padding:var(--section-gap) 0;
  background:var(--bg);
}
.cases__grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:24px; margin-top:56px;
}
.case-card {
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all .3s;
}
.case-card:hover { border-color:var(--primary); box-shadow:var(--shadow-lg); transform:translateY(-4px); }
.case-card__img {
  aspect-ratio:16/10;
  background:linear-gradient(135deg, var(--primary-900), var(--bg-dark));
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  color:rgba(255,255,255,0.4);
  font-size:12px; text-align:center;
  padding:10px; font-family:var(--font-heading);
}
.case-card__body { padding:24px; }
.case-card__tag {
  display:inline-block;
  background:var(--primary-50);
  color:var(--primary);
  padding:3px 10px;
  border-radius:var(--radius-sm);
  font-size:11px; font-weight:600;
  font-family:var(--font-heading);
  text-transform:uppercase;
  letter-spacing:1px;
  margin-bottom:10px;
}
.case-card__stat { font-family:var(--font-heading); font-size:20px; font-weight:700; margin-bottom:10px; line-height:1.40; }
.case-card__desc { font-size:14px; color:var(--text-secondary); line-height:1.43; margin-bottom:14px; }
.case-card__link { font-size:14px; font-weight:500; color:var(--primary); display:inline-flex; align-items:center; gap:4px; transition:gap .2s; }
.case-card:hover .case-card__link { gap:8px; }

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
  padding:var(--section-gap) 0;
  background:var(--bg-white);
}
.test-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:20px; margin-top:56px;
}
.test-card {
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px;
  transition:all .3s;
}
.test-card:hover { border-color:var(--primary); box-shadow:var(--shadow-md); }
.test-card__stars { color:var(--warning); font-size:14px; letter-spacing:2px; margin-bottom:14px; line-height:1.43; }
.test-card__quote { font-size:16px; line-height:1.50; color:var(--text-secondary); font-style:italic; margin-bottom:20px; }
.test-card__author { display:flex; align-items:center; gap:12px; }
.test-card__avatar {
  width:40px; height:40px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--primary), var(--primary-light));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:14px; font-weight:700;
  font-family:var(--font-heading);
}
.test-card__name { font-size:14px; font-weight:500; line-height:1.43; }
.test-card__role { font-size:12px; color:var(--text-muted); line-height:1.67; }

/* ============================================
   INTEGRATIONS
   ============================================ */
.integrations {
  padding:var(--section-gap) 0;
  background:var(--bg);
  text-align:center;
}
.integ-groups { display:flex; flex-direction:column; gap:36px; margin-top:56px; }
.integ-group__title { font-family:var(--font-heading); font-size:12px; font-weight:500; text-transform:uppercase; letter-spacing:1.5px; color:var(--text-secondary); margin-bottom:14px; line-height:1.67; }
.integ-group__logos { display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
.integ-logo {
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg-white);
  border:1px solid var(--border);
  padding:10px 20px;
  border-radius:var(--radius-md);
  font-size:14px; font-weight:500;
  color:var(--text);
  transition:all .2s;
}
.integ-logo img {
  width:18px; height:18px;
  object-fit:contain;
}
.integ-logo:hover { border-color:var(--primary); color:var(--primary); box-shadow:var(--shadow-sm); transform:translateY(-2px); }

/* ============================================
   PRICING
   ============================================ */
.pricing {
  padding:var(--section-gap) 0;
  background:var(--bg-white);
  text-align:center;
}
.price-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:24px; margin-top:56px;
  align-items:stretch;
}
.price-card {
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:36px 28px;
  text-align:left;
  display:flex; flex-direction:column;
  transition:all .3s;
  position:relative;
}
.price-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-4px); }
.price-card--pop {
  background:var(--bg-dark);
  color:#fff;
  border-color:var(--primary);
  box-shadow:var(--shadow-xl), 0 0 40px rgba(37,99,235,0.15);
  transform:scale(1.02);
}
.price-card--pop:hover { transform:scale(1.02) translateY(-4px); }
.price-card__badge {
  position:absolute; top:-12px; left:50%; transform:translateX(-50%);
  background:var(--cta);
  color:#fff; padding:4px 14px;
  border-radius:var(--radius-sm);
  font-family:var(--font-heading);
  font-size:11px; font-weight:600;
  text-transform:uppercase; letter-spacing:1px;
}
.price-card__name { font-family:var(--font-heading); font-size:24px; font-weight:700; line-height:1.33; margin-bottom:6px; }
.price-card__price { font-family:var(--font-heading); font-size:36px; font-weight:700; line-height:1.22; margin-bottom:6px; }
.price-card__target { font-size:14px; color:var(--text-secondary); margin-bottom:28px; line-height:1.43; }
.price-card--pop .price-card__target { color:var(--text-muted); }
.price-card__features { flex-grow:1; margin-bottom:28px; display:flex; flex-direction:column; gap:10px; }
.price-card__features li { font-size:14px; padding-left:20px; position:relative; color:var(--text-secondary); line-height:1.43; }
.price-card--pop .price-card__features li { color:var(--text-muted); }
.price-card__features li::before { content:'✓'; position:absolute; left:0; color:var(--success); font-weight:700; }
.price-card__cta {
  width:100%; padding:12px;
  border-radius:var(--radius-md);
  font-size:16px; font-weight:500;
  font-family:var(--font-body);
  border:none; transition:all var(--transition);
  text-align:center;
}
.price-card .price-card__cta { background:var(--primary); color:#fff; }
.price-card--pop .price-card__cta { background:var(--cta); color:#fff; }
.price-card__cta:hover { transform:translateY(-2px); box-shadow:var(--shadow-md); }
.price-guarantee {
  display:flex; justify-content:center; gap:28px;
  margin-top:36px; font-size:14px; color:var(--text-secondary);
}
.price-guarantee span { display:flex; align-items:center; gap:6px; }

/* ============================================
   FAQ
   ============================================ */
.faq {
  padding:var(--section-gap) 0;
  background:var(--bg);
}
.faq__list { max-width:720px; margin:56px auto 0; }
.faq__item {
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color .2s;
}
.faq__item:hover { border-color:var(--primary-light); }
.faq__q {
  width:100%; padding:20px 28px;
  background:none; border:none;
  font-family:var(--font-heading);
  font-size:16px; font-weight:700;
  text-align:left;
  display:flex; justify-content:space-between; align-items:center;
  cursor:pointer; color:var(--text);
  transition:background .2s;
}
.faq__q:hover { background:var(--primary-50); }
.faq__q::after {
  content:'+'; font-size:20px; font-weight:400;
  color:var(--text-muted);
  transition:transform .3s;
  flex-shrink:0; margin-left:16px;
}
.faq__item.open .faq__q::after { transform:rotate(45deg); color:var(--primary); }
.faq__a { max-height:0; overflow:hidden; transition:max-height .4s ease, padding .4s ease; }
.faq__item.open .faq__a { max-height:250px; padding:0 28px 20px; }
.faq__a p { font-size:16px; line-height:1.50; color:var(--text-secondary); }

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
  padding:100px 0;
  background: linear-gradient(135deg, #7C3AED 0%, var(--primary) 100%);
  color:#fff;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.final-cta::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.final-cta .container { position:relative; z-index:1; }
.final-cta .section-title { color:#fff; font-size:36px; line-height:1.22; max-width:640px; margin:0 auto 14px; }
.final-cta__sub { font-size:16px; line-height:1.50; color:rgba(255,255,255,0.7); margin-bottom:36px; max-width:500px; margin-left:auto; margin-right:auto; }
.final-cta__btns { display:flex; justify-content:center; gap:14px; margin-bottom:28px; }
.final-cta__trust { 
  display: inline-flex; 
  justify-content: center; 
  gap: 20px; 
  font-size: 14px; 
  color: #fff; 
  font-weight: 500;
  background: rgba(255, 255, 255, 0.15);
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background:var(--bg-dark);
  color:var(--text-white);
  padding:56px 0 28px;
}
.footer__grid {
  display:grid; grid-template-columns:2fr repeat(4,1fr);
  gap:36px; margin-bottom:40px;
}
.footer__brand { font-family:var(--font-heading); font-size:18px; font-weight:700; margin-bottom:10px; display:flex; align-items:center; gap:8px; }
.footer__brand-icon { width:28px; height:28px; background:var(--primary); border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; color:#fff; font-size:12px; font-weight:700; }
.footer__desc { font-size:14px; color:var(--text-muted); line-height:1.43; margin-bottom:14px; }
.footer__contact { font-size:12px; color:var(--text-muted); line-height:1.67; }
.footer__social { display:flex; gap:10px; margin-top:14px; }
.footer__social a {
  width:32px; height:32px; border-radius:var(--radius-sm);
  background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.1);
  display:flex; align-items:center; justify-content:center;
  font-size:12px; color:var(--text-muted);
  transition:all .2s;
}
.footer__social a:hover { background:var(--primary); border-color:var(--primary); color:#fff; }
.footer__col-title { font-family:var(--font-heading); font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:1.5px; margin-bottom:14px; color:var(--text-white); }
.footer__links li { margin-bottom:8px; }
.footer__links a { font-size:14px; color:var(--text-muted); transition:color .2s; line-height:1.43; }
.footer__links a:hover { color:var(--primary-light); }
.footer__bottom {
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:20px;
  display:flex; justify-content:space-between; align-items:center;
  font-size:12px; color:var(--text-muted); line-height:1.67;
}
.footer__bottom-links { display:flex; gap:20px; }
.footer__bottom-links a { color:var(--text-muted); transition:color .2s; }
.footer__bottom-links a:hover { color:var(--primary-light); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px) {
  .hero .container { grid-template-columns:1fr; gap:40px; }
  .hero__title { font-size:36px; line-height:1.22; }
  .section-title { font-size:32px; line-height:1.25; }
  .ind-grid { display: grid; grid-template-columns:repeat(3,1fr); }
  .ind-card { width: auto; }
  .roi__grid { grid-template-columns:repeat(2,1fr); }
  .footer__grid { grid-template-columns:repeat(3,1fr); }
}
@media(max-width:768px) {
  /* --- Navbar Mobile --- */
  .navbar .container { height: 60px; }
  .navbar__nav { display:none; }
  .navbar__actions { display:none; }
  .navbar__hamburger {
    display:flex;
    border-color: var(--border);
    background: transparent;
    color: var(--text);
  }

  /* Mobile Menu Overlay */
  .navbar__mobile-menu {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 16px 24px 24px;
    z-index: 999;
    animation: slideDown 0.3s ease;
  }
  .navbar__mobile-menu.open { display: block; }
  .navbar__mobile-menu .mobile-nav-link {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    transition: color 0.2s;
  }
  .navbar__mobile-menu .mobile-nav-link:hover { color: var(--primary); }
  .navbar__mobile-menu .mobile-nav-link:last-of-type { border-bottom: none; }
  .navbar__mobile-menu .mobile-lang-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
  }
  .navbar__mobile-menu .mobile-lang-row a {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 32px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
  }
  .navbar__mobile-menu .mobile-lang-row a.active { border-color: var(--primary); }
  .navbar__mobile-menu .mobile-lang-row a:hover { background: var(--primary-50); }
  .navbar__mobile-menu .mobile-lang-row img { width: 22px; height: 16px; object-fit: cover; border-radius: 2px; }
  .navbar__mobile-menu .mobile-cta {
    display: block;
    text-align: center;
    margin-top: 16px;
    padding: 12px 24px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 15px;
    transition: background 0.2s;
  }
  .navbar__mobile-menu .mobile-cta:hover { background: var(--cta-hover); }

  /* --- Hero Mobile --- */
  .hero { padding:80px 0 50px; }
  .hero__title { font-size:26px; line-height:1.25; }
  .hero__desc { font-size: 15px; }
  .hero__ctas { flex-direction:column; }
  .hero__trust { flex-direction:column; gap:6px; font-size: 13px; }

  /* --- Sections Mobile --- */
  .problem .container { grid-template-columns:1fr; }
  .steps-grid { grid-template-columns:1fr; }
  .steps-grid::before { display:none; }
  .modules { grid-template-columns:1fr; }
  .demo__kpis { flex-direction:column; gap:20px; }
  .roi__grid { grid-template-columns:1fr 1fr; }
  .ind-grid { grid-template-columns:1fr 1fr; }
  .cases__grid { grid-template-columns:1fr; }
  .test-grid { grid-template-columns:1fr; }
  .price-grid { grid-template-columns:1fr; }
  .price-card--pop { transform:none; }
  .price-card--pop:hover { transform:translateY(-4px); }
  .footer__grid { grid-template-columns:1fr 1fr; }
  .footer__bottom { flex-direction:column; gap:12px; text-align:center; }
  .final-cta .section-title { font-size:24px; }
  .final-cta__btns { flex-direction:column; align-items:center; }
  .final-cta__trust { flex-direction:column; align-items:center; gap:10px; border-radius:16px; padding:16px 20px; text-align:center; }
  .price-guarantee { flex-direction:column; align-items:center; gap:6px; }
  .section-title { font-size:22px; line-height:1.33; }
}
@media(max-width:480px) {
  .roi__grid { grid-template-columns:1fr; }
  .ind-grid { grid-template-columns:1fr; }
  .footer__grid { grid-template-columns:1fr; }
}

@media(prefers-reduced-motion:reduce) {
  *, *::before, *::after {
    animation-duration:0.01ms !important;
    transition-duration:0.01ms !important;
  }
}

/* Hero centered variant for subpages */
.hero--centered .container {
  display: block;
  text-align: center;
}
.hero--centered .hero__content {
  max-width: 720px;
  margin: 0 auto;
}
.hero--centered .breadcrumb {
  justify-content: center;
}
.hero--centered .hero__ctas {
  justify-content: center;
}