/* ============ RESET & BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1f2937;
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --dark: #111827;
  --gray-900: #1f2937;
  --gray-700: #374151;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-soft: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 20px 40px -10px rgba(99,102,241,.15), 0 10px 20px -5px rgba(0,0,0,.05);
  --shadow-xl: 0 30px 60px -15px rgba(99,102,241,.25);
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  transition: all .2s ease;
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 14px; }
.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 8px 20px -6px rgba(99,102,241,.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px -6px rgba(99,102,241,.7);
}
.btn-ghost {
  background: rgba(99,102,241,.08);
  color: var(--primary-dark);
}
.btn-ghost:hover { background: rgba(99,102,241,.15); }
.btn-outline {
  background: white;
  color: var(--primary);
  border-color: var(--primary-100);
}
.btn-outline:hover {
  background: var(--primary-50);
  border-color: var(--primary);
}
.btn-white {
  background: white;
  color: var(--primary-dark);
  box-shadow: 0 8px 20px -6px rgba(0,0,0,.2);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 25px -6px rgba(0,0,0,.3); }
.btn-block { width: 100%; }

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.05);
  transition: all .3s;
}
.header.scrolled {
  background: rgba(255,255,255,.95);
  box-shadow: 0 4px 20px -10px rgba(0,0,0,.1);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .5px;
  color: var(--gray-900);
}
.logo svg { width: 28px; height: 28px; }
.logo strong { color: var(--primary); font-weight: 800; }
.nav {
  display: flex;
  gap: 32px;
}
.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color .2s;
}
.nav a:hover { color: var(--primary); }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--gray-900);
  border-radius: 2px;
}

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 130px 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(139,92,246,.12), transparent 50%),
              radial-gradient(ellipse at bottom left, rgba(99,102,241,.1), transparent 50%),
              linear-gradient(180deg, #fafaff 0%, #ffffff 100%);
  z-index: -1;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(99,102,241,.15) 1px, transparent 0);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  opacity: .5;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: white;
  border: 1px solid var(--primary-100);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(16,185,129,.2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(16,185,129,.2); }
  50% { box-shadow: 0 0 0 6px rgba(16,185,129,.1); }
}
.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--gray-900);
  margin-bottom: 20px;
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 18px;
  color: var(--gray-500);
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-sub strong { color: var(--gray-900); font-weight: 600; }
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero-perks {
  display: flex;
  gap: 20px;
  list-style: none;
  flex-wrap: wrap;
}
.hero-perks li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}

/* HERO VISUAL */
.hero-visual {
  position: relative;
  perspective: 1500px;
}
.mockup-dashboard {
  background: white;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  padding: 20px;
  transform: rotate(-2deg);
  border: 1px solid var(--gray-100);
  position: relative;
}
.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 16px;
}
.mockup-logo {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .5px;
}
.mockup-logo strong { color: var(--primary); }
.mockup-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
}
.mockup-body {
  display: grid;
  gap: 12px;
}
.mockup-card {
  background: var(--gray-50);
  border-radius: 12px;
  padding: 14px;
  border: 1px solid var(--gray-100);
}
.mockup-card.red {
  background: linear-gradient(135deg, #fef2f2, #fff);
  border-color: #fecaca;
}
.mockup-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: .5px;
}
.mockup-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--gray-900);
  margin-top: 4px;
}
.mockup-tag {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 10px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  border-radius: 100px;
}
.mockup-chat {
  background: var(--gray-50);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chat-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.chat-row.right { justify-content: flex-end; }
.chat-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  flex-shrink: 0;
}
.chat-msg {
  background: white;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 12px;
  color: var(--gray-700);
  box-shadow: var(--shadow-sm);
}
.chat-msg.primary {
  background: var(--primary);
  color: white;
}
.chat-msg.danger {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
  font-weight: 600;
}

.floating-card {
  position: absolute;
  background: white;
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--gray-100);
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.alert-card {
  top: -10px;
  left: -30px;
  animation-delay: 0s;
}
.success-card {
  bottom: 20px;
  right: -30px;
  animation-delay: 1.5s;
}
.alert-icon, .success-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.alert-icon { background: #fef2f2; }
.success-icon { background: #ecfdf5; }
.alert-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-900);
}
.alert-text {
  font-size: 11px;
  color: var(--gray-500);
}

/* ============ TRUST BAR ============ */
.trust-bar {
  background: var(--gray-50);
  padding: 40px 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.trust-number {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}
.trust-label {
  font-size: 14px;
  color: var(--gray-500);
  font-weight: 500;
}

/* ============ SECTIONS ============ */
.section {
  padding: 100px 0;
}
.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  background: var(--primary-50);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.eyebrow.purple { background: rgba(139,92,246,.1); color: #8b5cf6; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.section-head p {
  font-size: 18px;
  color: var(--gray-500);
}

/* ============ STEPS ============ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-100), var(--primary), var(--primary-100));
  z-index: 0;
}
.step {
  background: white;
  padding: 32px 28px;
  border-radius: 20px;
  border: 1px solid var(--gray-100);
  position: relative;
  z-index: 1;
  text-align: center;
  transition: all .3s;
}
.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}
.step-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.step-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-50);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.step h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.step p {
  color: var(--gray-500);
  font-size: 15px;
}

/* ============ GUARDIAN ============ */
.guardian-section {
  background: var(--gradient-soft);
  position: relative;
  overflow: hidden;
}
.guardian-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,.2), transparent 70%);
  border-radius: 50%;
}
.guardian-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.guardian-content h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; letter-spacing: -1px; margin-bottom: 16px; }
.guardian-content .lead {
  font-size: 17px;
  color: var(--gray-700);
  margin-bottom: 32px;
}
.guardian-features {
  display: grid;
  gap: 20px;
}
.g-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.g-icon {
  width: 44px;
  height: 44px;
  background: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  box-shadow: var(--shadow);
}
.g-feature h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.g-feature p {
  font-size: 14px;
  color: var(--gray-500);
}
.g-feature code {
  background: var(--gray-900);
  color: #f59e0b;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: 'Courier New', monospace;
}

/* GUARDIAN VISUAL */
.guardian-visual {
  display: grid;
  gap: 20px;
}
.sensitivity-card {
  background: white;
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}
.sens-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1.5px;
}
.sens-options {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}
.sens-opt {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: 12px;
  border: 2px solid var(--gray-100);
  position: relative;
  transition: all .2s;
}
.sens-opt.active {
  border-color: var(--primary);
  background: var(--primary-50);
}
.sens-icon {
  font-size: 22px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-50);
  border-radius: 10px;
}
.sens-opt strong {
  display: block;
  font-size: 14px;
  color: var(--gray-900);
}
.sens-range {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(99,102,241,.1);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-top: 2px;
}
.sens-radio {
  position: absolute;
  right: 14px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--gray-200);
  border-radius: 50%;
}
.sens-radio.active {
  border-color: var(--primary);
  background: radial-gradient(circle, var(--primary) 40%, white 50%);
}

.alert-mock {
  background: white;
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow-lg);
  border: 1px solid #fecaca;
}
.alert-mock-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.alert-mock-icon {
  width: 36px;
  height: 36px;
  background: #fef2f2;
  color: var(--danger);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}
.alert-mock-head strong {
  display: block;
  color: var(--gray-900);
  font-size: 15px;
}
.alert-mock-head span {
  font-size: 12px;
  color: var(--gray-400);
}
.alert-mock-body em {
  display: block;
  color: var(--gray-700);
  font-size: 14px;
  margin-bottom: 8px;
}
.tag-danger {
  display: inline-block;
  padding: 4px 10px;
  background: #fef2f2;
  color: var(--danger);
  font-size: 11px;
  font-weight: 700;
  border-radius: 100px;
  margin-bottom: 12px;
}
.alert-analysis {
  background: var(--primary-50);
  padding: 12px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--gray-700);
}
.alert-analysis strong { color: var(--primary-dark); }

/* ============ FEATURES GRID ============ */
.features-section { background: var(--gray-50); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: white;
  padding: 32px 28px;
  border-radius: 18px;
  border: 1px solid var(--gray-100);
  transition: all .3s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.purple-bg { background: var(--primary-50); color: var(--primary); }
.red-bg { background: #fef2f2; color: var(--danger); }
.green-bg { background: #ecfdf5; color: var(--success); }
.yellow-bg { background: #fef3c7; color: var(--warning); }
.blue-bg { background: #dbeafe; color: #3b82f6; }
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
}

/* ============ DEMO SECTION ============ */
.demo-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}
.tab-btn {
  padding: 10px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-500);
  background: white;
  border: 1px solid var(--gray-100);
  transition: all .2s;
}
.tab-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(99,102,241,.3);
}
.demo-window {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-100);
  max-width: 960px;
  margin: 0 auto;
}
.window-bar {
  background: var(--gray-50);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--gray-100);
}
.window-bar .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  animation: none;
  box-shadow: none;
}
.window-bar .dot.red { background: #ff5f57; }
.window-bar .dot.yellow { background: #febc2e; }
.window-bar .dot.green { background: #28c840; }
.window-url {
  margin-left: 16px;
  font-size: 12px;
  color: var(--gray-500);
  background: white;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--gray-100);
  font-family: 'Courier New', monospace;
}
.demo-content {
  min-height: 400px;
  position: relative;
}
.demo-tab {
  display: none;
  padding: 24px;
}
.demo-tab.active { display: block; }
.demo-tab[data-content="chat"].active {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 0;
}
.demo-sidebar {
  border-right: 1px solid var(--gray-100);
  padding: 24px;
}
.demo-contact {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 10px;
  border-left: 3px solid var(--primary);
  background: var(--primary-50);
}
.demo-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}
.demo-contact strong {
  display: block;
  font-size: 14px;
  color: var(--gray-900);
}
.demo-contact span {
  font-size: 12px;
  color: var(--gray-500);
}
.demo-time {
  font-size: 11px;
  color: var(--gray-400);
}
.demo-chat {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--gray-50);
}
.demo-msg {
  background: white;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  color: var(--gray-700);
  max-width: 70%;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.demo-msg span {
  display: block;
  font-size: 10px;
  color: var(--gray-400);
  margin-top: 4px;
}
.demo-msg.media, .demo-msg.audio {
  font-weight: 700;
  color: var(--primary);
  background: white;
}
.demo-msg.audio {
  background: var(--primary);
  color: white;
}
.demo-msg.audio span { color: rgba(255,255,255,.7); }
.demo-msg.deleted {
  border: 1px solid #fecaca;
  background: #fef2f2;
}
.demo-msg.deleted small {
  display: inline-block;
  background: var(--danger);
  color: white;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 10px;
  margin-top: 4px;
  font-weight: 700;
}

.alert-list { display: grid; gap: 16px; }
.alert-item {
  background: white;
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  padding: 18px;
}
.alert-item-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.alert-warn {
  width: 36px;
  height: 36px;
  background: #fef2f2;
  color: var(--danger);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.alert-date {
  margin-left: auto;
  font-size: 12px;
  color: var(--gray-400);
}
.alert-item-body em {
  display: block;
  margin-bottom: 10px;
  color: var(--gray-700);
}
.alert-item-body p {
  background: var(--primary-50);
  padding: 12px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--gray-700);
  margin-top: 10px;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.media-thumb {
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  overflow: hidden;
}
.media-img {
  height: 160px;
  background: linear-gradient(135deg, #e5e7eb, #d1d5db);
  position: relative;
}
.media-img::after {
  content: '👁 🗑';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 20px;
}
.media-info {
  padding: 14px;
}
.media-info strong {
  display: block;
  font-size: 14px;
  color: var(--gray-900);
}
.media-info span {
  font-size: 12px;
  color: var(--gray-500);
}
.media-tag {
  display: block;
  padding: 8px 14px;
  background: var(--danger);
  color: white;
  font-size: 11px;
  font-weight: 700;
  text-align: right;
}

/* ============ FREE TRIAL BANNER ============ */
.free-trial-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
  border: 2px dashed var(--success);
  border-radius: 20px;
  padding: 22px 28px;
  margin-bottom: 36px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  overflow: hidden;
}
.free-trial-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(16,185,129,.1), transparent 60%);
  pointer-events: none;
}
.trial-icon {
  font-size: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 10px rgba(16,185,129,.3));
}
.trial-text {
  flex: 1;
  position: relative;
}
.trial-text strong {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: #065f46;
  margin-bottom: 4px;
}
.trial-text span {
  font-size: 14px;
  color: #047857;
}
.free-trial-banner .btn {
  position: relative;
  flex-shrink: 0;
}
@media (max-width: 700px) {
  .free-trial-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* ============ PRICING ============ */
.pricing-section { background: var(--gray-50); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.price-card {
  background: white;
  border-radius: 24px;
  padding: 36px 32px;
  border: 2px solid var(--gray-100);
  position: relative;
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.price-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, #fff 0%, #fafaff 100%);
  transform: scale(1.04);
  box-shadow: var(--shadow-xl);
}
.price-card.featured:hover { transform: scale(1.04) translateY(-4px); }
.ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: white;
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  box-shadow: 0 6px 15px -3px rgba(99,102,241,.4);
}
.price-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.price-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
}
.price-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-500);
  background: var(--gray-100);
  padding: 4px 10px;
  border-radius: 100px;
}
.price-tag.highlight {
  background: #ecfdf5;
  color: var(--success);
}
.price-value {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  margin-bottom: 4px;
}
.currency {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.amount {
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  color: var(--gray-900);
  letter-spacing: -2px;
}
.cents {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.period {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 10px;
  margin-left: 4px;
}
.price-sub {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 24px;
}
.price-features {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
  flex: 1;
}
.price-features li {
  font-size: 14px;
  color: var(--gray-700);
}
.pricing-guarantee {
  text-align: center;
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--gray-500);
  font-size: 14px;
  font-weight: 500;
}

/* ============ TESTIMONIALS ============ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial {
  background: white;
  border-radius: 18px;
  padding: 28px;
  border: 1px solid var(--gray-100);
  transition: all .3s;
}
.testimonial:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.stars {
  color: var(--warning);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.testimonial p {
  color: var(--gray-700);
  font-size: 15px;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.t-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}
.testimonial-author strong {
  display: block;
  font-size: 14px;
  color: var(--gray-900);
}
.testimonial-author span {
  font-size: 12px;
  color: var(--gray-500);
}

/* ============ FAQ ============ */
.faq-section { background: var(--gray-50); }
.faq-container { max-width: 800px; }
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: white;
  border-radius: 14px;
  padding: 20px 24px;
  border: 1px solid var(--gray-100);
  transition: all .2s;
}
.faq-item:hover { border-color: var(--primary-100); }
.faq-item[open] { border-color: var(--primary); box-shadow: var(--shadow); }
.faq-item summary {
  font-weight: 600;
  font-size: 16px;
  color: var(--gray-900);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 32px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-50);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  transition: transform .2s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p {
  margin-top: 14px;
  color: var(--gray-500);
  font-size: 15px;
  line-height: 1.7;
}
.faq-item code {
  background: var(--gray-900);
  color: var(--warning);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

/* ============ CTA FINAL ============ */
.cta-final {
  padding: 80px 0;
}
.cta-box {
  background: var(--gradient);
  border-radius: 28px;
  padding: 64px 48px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.cta-box::before, .cta-box::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
}
.cta-box::before { width: 300px; height: 300px; top: -100px; right: -100px; }
.cta-box::after { width: 200px; height: 200px; bottom: -50px; left: -50px; }
.cta-box h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  font-size: 18px;
  opacity: .9;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}
.cta-box .btn { position: relative; z-index: 1; }
.cta-small {
  margin-top: 20px !important;
  font-size: 13px !important;
  opacity: .8 !important;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 64px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer .logo { color: white; margin-bottom: 16px; }
.footer .logo strong { color: var(--primary-light); }
.footer-brand p {
  font-size: 14px;
  max-width: 320px;
}
.footer-col h4 {
  color: white;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  margin-bottom: 10px;
  transition: color .2s;
}
.footer-col a:hover { color: white; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 13px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 968px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .header .btn { display: none; }
  .hero-inner, .guardian-grid { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 40px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .steps, .features-grid, .testimonials-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
  .steps::before { display: none; }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-4px); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .demo-tab[data-content="chat"].active { grid-template-columns: 1fr; }
  .demo-sidebar { border-right: none; border-bottom: 1px solid var(--gray-100); }
}
@media (max-width: 560px) {
  .section { padding: 60px 0; }
  .hero { padding: 110px 0 60px; }
  .cta-box { padding: 40px 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .trust-grid { gap: 16px; }
  .trust-number { font-size: 28px; }
  .floating-card { display: none; }
}