/* ============================================
   BoardFlow Landing Page — Premium Redesign
   ============================================ */

/* ============================================
   Scroll Animation System
   ============================================ */

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

[data-animate=fade] {
  transform: none;
}

[data-animate=scale] {
  transform: scale(0.92);
}

[data-animate=scale].in-view {
  transform: scale(1);
}

[data-animate=slide-left] {
  transform: translateX(-30px);
}

[data-animate=slide-left].in-view {
  transform: translateX(0);
}

[data-animate=slide-right] {
  transform: translateX(30px);
}

[data-animate=slide-right].in-view {
  transform: translateX(0);
}

[data-animate].in-view:nth-child(1) { transition-delay: 0.05s; }
[data-animate].in-view:nth-child(2) { transition-delay: 0.12s; }
[data-animate].in-view:nth-child(3) { transition-delay: 0.19s; }
[data-animate].in-view:nth-child(4) { transition-delay: 0.26s; }
[data-animate].in-view:nth-child(5) { transition-delay: 0.33s; }
[data-animate].in-view:nth-child(6) { transition-delay: 0.40s; }
[data-animate].in-view:nth-child(7) { transition-delay: 0.47s; }
[data-animate].in-view:nth-child(8) { transition-delay: 0.54s; }
[data-animate].in-view:nth-child(9) { transition-delay: 0.61s; }

/* ---- Reduced Motion ---- */

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .landing-hero-blob,
  .preview-board,
  .vision-float-card,
  .landing-feature-card:hover,
  .landing-feature-icon {
    animation: none !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---- Landing Page Shell ---- */

.landing-page {
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--canvas);
}

/* ============================================
   Navigation
   ============================================ */

.landing-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.75);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s ease;
}

.landing-nav.scrolled {
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
}

[data-theme="dark"] .landing-nav {
  background: rgba(28,28,30,0.78);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.landing-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.4px;
}

.landing-logo svg {
  color: var(--primary);
  flex-shrink: 0;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.landing-nav-links a:not(.btn) {
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: background 0.15s ease, color 0.15s ease;
}

.landing-nav-links a:not(.btn):hover {
  background: rgba(0,0,0,0.04);
  color: var(--ink);
}

.landing-nav-links .btn {
  font-size: 14px;
  margin-left: 4px;
}

.landing-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  padding: 10px;
  border-radius: 8px;
  transition: background 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.landing-nav-toggle:hover {
  background: rgba(0,0,0,0.04);
}

/* ============================================
   Container
   ============================================ */

.landing-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Section Base
   ============================================ */

.landing-section {
  padding: 100px 0;
}

.landing-section-alt {
  background: rgba(0,0,0,0.02);
  border-top: 1px solid rgba(0,0,0,0.05);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

[data-theme="dark"] .landing-section-alt {
  background: rgba(255,255,255,0.02);
  border-color: rgba(255,255,255,0.05);
}

.landing-section-dark {
  background: #1a1a1c;
  color: #f5f5f7;
  position: relative;
  overflow: hidden;
}

.landing-section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.landing-section-dark .landing-section-header h2 {
  color: #f5f5f7;
}

.landing-section-dark .landing-section-header p {
  color: rgba(255,255,255,0.55);
}

.landing-section-header {
  text-align: center;
  margin-bottom: 64px;
}

.landing-section-header h2 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  color: var(--ink);
  margin: 0 0 12px;
}

.landing-section-header p {
  font-size: 17px;
  color: var(--ink-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================
   Badge
   ============================================ */

.landing-badge {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(0,117,222,0.08);
  border: 1px solid rgba(0,117,222,0.15);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 16px;
}

/* ============================================
   Hero Section
   ============================================ */

.landing-hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.landing-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.landing-hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  will-change: transform;
}

.blob-1 {
  width: 500px;
  height: 500px;
  background: rgba(0,117,222,0.12);
  top: -150px;
  left: -100px;
  animation: blob-drift-1 14s ease-in-out infinite alternate;
}

.blob-2 {
  width: 420px;
  height: 420px;
  background: rgba(124,58,237,0.10);
  top: -80px;
  right: -80px;
  animation: blob-drift-2 12s ease-in-out infinite alternate-reverse;
}

.blob-3 {
  width: 350px;
  height: 350px;
  background: rgba(236,72,153,0.08);
  bottom: -100px;
  left: 30%;
  animation: blob-drift-3 16s ease-in-out infinite alternate;
}

.blob-4 {
  width: 280px;
  height: 280px;
  background: rgba(34,211,238,0.08);
  bottom: 10%;
  right: 15%;
  animation: blob-drift-4 10s ease-in-out infinite alternate-reverse;
}

@keyframes blob-drift-1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, -30px) scale(1.15); }
}

@keyframes blob-drift-2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-30px, 20px) scale(1.1); }
}

@keyframes blob-drift-3 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -40px) scale(1.2); }
}

@keyframes blob-drift-4 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-25px, 15px) scale(0.9); }
}

.landing-hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.landing-hero-title {
  font-size: clamp(36px, 5.5vw, 60px);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.0;
  color: var(--ink);
  margin: 0 0 16px;
}

.landing-hero-title .gradient-text {
  background: linear-gradient(135deg, #0075de 0%, #6366f1 40%, #a855f7 70%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 12px rgba(99,102,241,0.3));
}

.landing-hero-subtitle {
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--ink-muted);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.6;
  position: relative;
}

.landing-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.landing-hero-actions .btn-lg {
  padding: 12px 28px;
  font-size: 16px;
}

/* ---- Hero Preview Card ---- */

.landing-hero-preview {
  position: relative;
  max-width: 740px;
  margin: 0 auto;
  perspective: 1000px;
}

.landing-preview-card {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 16px;
  box-shadow:
    0 1px 3px rgba(0,0,0,0.04),
    0 4px 12px rgba(0,0,0,0.04),
    0 12px 40px rgba(0,0,0,0.06),
    0 24px 60px rgba(0,0,0,0.08);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  transition: box-shadow 0.4s ease, transform 0.4s ease;
  transform: rotateX(2deg) rotateY(-1deg);
  transform-style: preserve-3d;
}

.landing-preview-card:hover {
  box-shadow:
    0 1px 3px rgba(0,0,0,0.04),
    0 8px 24px rgba(0,0,0,0.06),
    0 20px 60px rgba(0,0,0,0.08),
    0 40px 100px rgba(0,0,0,0.1);
  transform: rotateX(0deg) rotateY(0deg);
}

.preview-board {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: var(--canvas-soft);
  background-image:
    radial-gradient(circle, var(--canvas-grid-color) 1px, transparent 1px);
  background-size: 20px 20px;
  padding: 24px;
  overflow: hidden;
}

.preview-note {
  position: absolute;
  width: clamp(120px, 18vw, 180px);
  padding: clamp(10px, 1.2vw, 14px);
  border-radius: 10px;
  font-size: clamp(11px, 1.2vw, 13px);
  line-height: 1.4;
  color: #333;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
  font-family: var(--font-sans);
  animation: preview-float 4s ease-in-out infinite alternate;
  animation-delay: calc(var(--i, 0) * 0.4s);
  cursor: default;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.preview-note:hover {
  transform: scale(1.05) !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1), 0 8px 24px rgba(0,0,0,0.08);
  z-index: 10;
}

@keyframes preview-float {
  0% { transform: translateY(0); }
  100% { transform: translateY(-6px); }
}

/* ============================================
   Trust Bar
   ============================================ */

.landing-trust {
  padding: 32px 0;
  text-align: center;
  border-top: 1px solid rgba(0,0,0,0.04);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  background: rgba(0,0,0,0.01);
}

[data-theme="dark"] .landing-trust {
  border-color: rgba(255,255,255,0.04);
  background: rgba(255,255,255,0.01);
}

.landing-trust-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.landing-trust-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.landing-trust-stat {
  text-align: center;
}

.landing-trust-stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -1px;
}

.landing-trust-stat-label {
  font-size: 14px;
  color: var(--ink-muted);
  margin-top: 4px;
}

/* ============================================
   Features Grid (Bento Style)
   ============================================ */

.landing-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.landing-feature-card {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 16px;
  padding: 32px;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.03),
    0 2px 6px rgba(0,0,0,0.02);
}

.landing-feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  box-shadow:
    inset 0 0 0 1px rgba(0,117,222,0.1),
    0 8px 32px rgba(0,117,222,0.08);
}

.landing-feature-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 1px 2px rgba(0,0,0,0.03),
    0 4px 12px rgba(0,0,0,0.04),
    0 12px 40px rgba(0,0,0,0.06);
  border-color: rgba(0,117,222,0.15);
}

.landing-feature-card:hover::before {
  opacity: 1;
}

[data-theme="dark"] .landing-feature-card {
  border-color: rgba(255,255,255,0.06);
}

.landing-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  position: relative;
  transition: transform 0.3s ease;
}

.landing-feature-card:hover .landing-feature-icon {
  transform: scale(1.05);
}

.landing-feature-icon svg {
  width: 24px;
  height: 24px;
  position: relative;
  z-index: 1;
}

.landing-feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 8px;
  letter-spacing: -0.3px;
}

.landing-feature-card p {
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   Use Cases
   ============================================ */

.landing-use-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.landing-use-case {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 14px;
  padding: 28px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.02),
    0 2px 6px rgba(0,0,0,0.02);
}

.landing-use-case:hover {
  transform: translateY(-3px);
  box-shadow:
    0 1px 2px rgba(0,0,0,0.03),
    0 4px 12px rgba(0,0,0,0.04),
    0 12px 32px rgba(0,0,0,0.04);
}

[data-theme="dark"] .landing-use-case {
  border-color: rgba(255,255,255,0.05);
}

.landing-use-case-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-use-case-icon svg {
  width: 28px;
  height: 28px;
}

.landing-use-case h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 8px;
}

.landing-use-case p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   Stats Section
   ============================================ */

.landing-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.landing-stat-card {
  text-align: center;
  padding: 40px 20px;
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 16px;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.02),
    0 4px 12px rgba(0,0,0,0.02);
}

[data-theme="dark"] .landing-stat-card {
  border-color: rgba(255,255,255,0.05);
}

.landing-stat-number {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1;
  color: var(--primary);
  margin-bottom: 8px;
}

.landing-stat-card p {
  font-size: 14px;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.4;
}

/* ============================================
   Testimonials
   ============================================ */

.landing-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.landing-testimonial {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 16px;
  padding: 32px;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.02),
    0 4px 12px rgba(0,0,0,0.02);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.landing-testimonial:hover {
  transform: translateY(-3px);
  box-shadow:
    0 4px 12px rgba(0,0,0,0.04),
    0 12px 32px rgba(0,0,0,0.04);
}

[data-theme="dark"] .landing-testimonial {
  border-color: rgba(255,255,255,0.05);
}

.landing-testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
}

.landing-testimonial-stars svg {
  width: 18px;
  height: 18px;
  color: #f59e0b;
}

.landing-testimonial-quote {
  font-size: 15px;
  color: var(--ink-secondary);
  line-height: 1.7;
  margin: 0 0 20px;
  font-style: italic;
}

.landing-testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.landing-testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

.landing-testimonial-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.landing-testimonial-role {
  font-size: 13px;
  color: var(--ink-muted);
}

/* ============================================
   Vision Section
   ============================================ */

.landing-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.landing-vision-content h2 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  color: var(--ink);
  margin: 0 0 16px;
}

.landing-vision-content p {
  font-size: 16px;
  color: var(--ink-muted);
  line-height: 1.7;
  margin: 0 0 16px;
}

.landing-vision-visual {
  position: relative;
  height: 380px;
}

.vision-float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  padding: 14px 20px;
  box-shadow:
    0 1px 3px rgba(0,0,0,0.04),
    0 4px 12px rgba(0,0,0,0.04),
    0 12px 32px rgba(0,0,0,0.04);
  animation: vision-float 4s ease-in-out infinite alternate;
  animation-delay: var(--delay, 0s);
  white-space: nowrap;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-secondary);
}

.vision-float-card svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
  flex-shrink: 0;
}

@keyframes vision-float {
  0% { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}

/* ============================================
   Pricing
   ============================================ */

.landing-pricing-grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.landing-pricing-card {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 20px;
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow:
    0 1px 3px rgba(0,0,0,0.04),
    0 4px 12px rgba(0,0,0,0.04),
    0 12px 40px rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}

.landing-pricing-card.featured {
  border-color: var(--primary);
  box-shadow:
    0 1px 3px rgba(0,0,0,0.04),
    0 4px 12px rgba(0,0,0,0.04),
    0 12px 40px rgba(0,117,222,0.08),
    0 0 0 1px rgba(0,117,222,0.2);
}

.landing-pricing-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: rgba(0,117,222,0.08);
  border: 1px solid rgba(0,117,222,0.15);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.landing-pricing-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.landing-section-dark .landing-pricing-name {
  color: #f5f5f7;
}

.landing-pricing-card.price-card-dark {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

.landing-pricing-card.price-card-dark .landing-pricing-name {
  color: #f5f5f7;
}

.landing-pricing-price {
  font-size: 60px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -2px;
}

.landing-section-dark .landing-pricing-price {
  color: #f5f5f7;
}

.landing-pricing-period {
  font-size: 15px;
  color: var(--ink-muted);
  margin-bottom: 32px;
}

.landing-section-dark .landing-pricing-period {
  color: rgba(255,255,255,0.5);
}

.landing-pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  text-align: left;
}

.landing-pricing-features li {
  padding: 8px 0;
  font-size: 15px;
  color: var(--ink-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.landing-pricing-features li::before {
  content: '';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(26,174,57,0.1);
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%231aae39' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 13px;
}

.landing-pricing-note {
  font-size: 14px;
  color: var(--ink-muted);
  text-align: center;
  margin: 0;
}

.landing-section-dark .landing-pricing-note {
  color: rgba(255,255,255,0.45);
}

/* ============================================
   Tech Stack
   ============================================ */

.landing-tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.landing-tech-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 14px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.02),
    0 2px 6px rgba(0,0,0,0.02);
}

.landing-tech-item:hover {
  transform: translateY(-2px);
  box-shadow:
    0 4px 12px rgba(0,0,0,0.04),
    0 8px 24px rgba(0,0,0,0.04);
}

[data-theme="dark"] .landing-tech-item {
  border-color: rgba(255,255,255,0.05);
}

.landing-tech-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.landing-tech-logo svg {
  width: 22px;
  height: 22px;
}

.landing-tech-info {
  text-align: left;
}

.landing-tech-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}

.landing-tech-desc {
  font-size: 13px;
  color: var(--ink-muted);
}

/* ============================================
   FAQ Accordion
   ============================================ */

.landing-faq-list {
  max-width: 680px;
  margin: 0 auto;
}

.landing-faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

[data-theme="dark"] .landing-faq-item {
  border-color: rgba(255,255,255,0.06);
}

.landing-faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  font-family: inherit;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
}

.landing-faq-question:hover {
  color: var(--primary);
}

.landing-faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--ink-muted);
  transition: transform 0.3s ease;
}

.landing-faq-item.open .landing-faq-icon {
  transform: rotate(45deg);
}

.landing-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  padding: 0;
}

.landing-faq-item.open .landing-faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.landing-faq-answer p {
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.7;
  margin: 0;
}

/* ============================================
   CTA Section
   ============================================ */

.landing-cta {
  text-align: center;
  padding: 120px 0;
}

.landing-cta h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--ink);
  margin: 0 0 12px;
  line-height: 1.1;
}

.landing-cta p {
  font-size: 17px;
  color: var(--ink-muted);
  margin: 0 0 32px;
  line-height: 1.6;
}

.landing-cta .btn-xl {
  padding: 16px 40px;
  font-size: 17px;
}

/* ---- Sticky CTA Bar ---- */

.landing-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(255,255,255,0.92);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  border-top: 1px solid rgba(0,0,0,0.06);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.landing-sticky-cta.visible {
  transform: translateY(0);
}

[data-theme="dark"] .landing-sticky-cta {
  background: rgba(28,28,30,0.92);
  border-color: rgba(255,255,255,0.06);
}

.landing-sticky-cta-text {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.landing-sticky-cta .btn {
  flex-shrink: 0;
}

/* ============================================
   Footer
   ============================================ */

.landing-footer {
  padding: 64px 0 32px;
  border-top: 1px solid rgba(0,0,0,0.06);
  background: rgba(0,0,0,0.02);
}

[data-theme="dark"] .landing-footer {
  border-color: rgba(255,255,255,0.05);
  background: rgba(255,255,255,0.01);
}

.landing-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.landing-footer-brand p {
  font-size: 14px;
  color: var(--ink-muted);
  margin: 12px 0 0;
  line-height: 1.6;
  max-width: 280px;
}

.landing-footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ink-muted);
  margin: 0 0 16px;
}

.landing-footer-col a {
  display: block;
  font-size: 14px;
  color: var(--ink-secondary);
  text-decoration: none;
  padding: 4px 0;
  transition: color 0.15s ease;
}

.landing-footer-col a:hover {
  color: var(--ink);
}

.landing-footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(0,0,0,0.05);
  text-align: center;
  font-size: 13px;
  color: var(--ink-muted);
}

[data-theme="dark"] .landing-footer-bottom {
  border-color: rgba(255,255,255,0.05);
}

/* ============================================
   Legal Pages (About, Privacy, Terms, Contact)
   ============================================ */

.legal-page {
  overflow-y: auto;
  background: var(--canvas);
}

.legal-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 64px;
  background: rgba(255,255,255,0.88);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transition: box-shadow 0.2s ease;
}

.legal-nav.scrolled {
  box-shadow: 0 1px 8px rgba(0,0,0,0.08);
}

[data-theme="dark"] .legal-nav {
  background: rgba(28,28,30,0.85);
  border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .legal-nav.scrolled {
  box-shadow: 0 1px 8px rgba(0,0,0,0.2);
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.legal-content h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--ink);
  margin: 0 0 12px;
}

.legal-lead {
  font-size: 17px;
  color: var(--ink-muted);
  line-height: 1.6;
  margin: 0 0 48px;
}

.legal-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin: 48px 0 12px;
}

.legal-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 8px;
}

.legal-content p {
  font-size: 16px;
  color: var(--ink-secondary);
  line-height: 1.7;
  margin: 0 0 16px;
}

.legal-content ul {
  padding-left: 24px;
  margin: 0 0 16px;
}

.legal-content li {
  font-size: 16px;
  color: var(--ink-secondary);
  line-height: 1.7;
  margin-bottom: 6px;
}

.legal-content a {
  color: var(--primary);
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}

/* ---- Contact Grid ---- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.02),
    0 4px 12px rgba(0,0,0,0.02);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 4px 12px rgba(0,0,0,0.04),
    0 12px 32px rgba(0,0,0,0.04);
}

[data-theme="dark"] .contact-card {
  border-color: rgba(255,255,255,0.05);
}

.contact-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(0,117,222,0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.contact-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 8px;
}

.contact-card p {
  font-size: 14px;
  color: var(--ink-muted);
  margin: 0 0 20px;
  line-height: 1.5;
}

/* ============================================
   Button Sizes
   ============================================ */

.btn-lg {
  padding: 10px 24px;
  font-size: 15px;
}

.btn-xl {
  padding: 14px 36px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

/* ============================================
   Responsive — Tablet
   ============================================ */

@media (max-width: 1023px) {
  .landing-section {
    padding: 72px 0;
  }

  .landing-section-header {
    margin-bottom: 48px;
  }

  .landing-section-header h2 {
    font-size: 32px;
  }

  .landing-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-use-cases {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .landing-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-vision {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .landing-vision-visual {
    height: 300px;
  }

  .landing-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .landing-tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 32px auto 0;
  }

  .landing-trust-stats {
    gap: 40px;
  }
}

/* ============================================
   Responsive — Mobile
   ============================================ */

@media (max-width: 767px) {
  .landing-nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--glass-2);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    gap: 4px;
  }

  [data-theme="dark"] .landing-nav-links {
    background: rgba(28,28,30,0.78);
    border-color: rgba(255,255,255,0.06);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
  }

  .landing-nav-links.open {
    display: flex;
  }

  .landing-nav-links a:not(.btn) {
    padding: 14px 16px;
    font-size: 16px;
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .landing-nav-links .btn {
    margin: 4px 0 0;
    width: 100%;
    padding: 14px;
    font-size: 16px;
    min-height: 48px;
  }

  .landing-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
  }

  .landing-hero {
    padding: 48px 0 32px;
    min-height: auto;
  }

  .landing-hero-title {
    font-size: clamp(30px, 8vw, 36px);
    letter-spacing: -1px;
    line-height: 1.1;
    padding: 0 8px;
  }

  .landing-hero-subtitle {
    font-size: 15px;
    margin-bottom: 24px;
    padding: 0 12px;
  }

  .landing-hero-actions {
    flex-direction: column;
    margin-bottom: 40px;
  }

  .landing-hero-actions .btn-lg {
    width: 100%;
    max-width: 320px;
  }

  .landing-section {
    padding: 48px 0;
  }

  .landing-section-header {
    margin-bottom: 32px;
  }

  .landing-section-header h2 {
    font-size: 26px;
  }

  .landing-section-header p {
    font-size: 15px;
  }

  .landing-badge {
    font-size: 11px;
  }

  .landing-features-grid,
  .landing-use-cases {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .landing-feature-card {
    padding: 24px;
  }

  .landing-use-case {
    padding: 20px;
  }

  .landing-stats-grid {
    gap: 12px;
  }

  .landing-stat-card {
    padding: 24px 16px;
  }

  .landing-stat-number {
    font-size: 32px;
  }

  .landing-testimonial {
    padding: 24px;
  }

  .landing-vision {
    gap: 32px;
  }

  .landing-vision-content h2 {
    font-size: 26px;
  }

  .landing-vision-visual {
    height: 240px;
  }

  .vision-float-card {
    font-size: 13px;
    padding: 10px 14px;
    white-space: normal;
    max-width: 180px;
  }

  .vision-float-card svg {
    width: 18px;
    height: 18px;
  }

  .landing-pricing-card {
    padding: 28px 24px;
  }

  .landing-pricing-price {
    font-size: 42px;
  }

  .landing-tech-grid {
    grid-template-columns: 1fr;
  }

  .landing-footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .landing-trust-stats {
    gap: 28px;
  }

  .landing-trust-stat-number {
    font-size: 26px;
  }

  .landing-cta {
    padding: 64px 0;
  }

  .landing-sticky-cta {
    padding: 12px 16px;
    flex-direction: column;
    gap: 8px;
  }

  .landing-sticky-cta-text {
    font-size: 13px;
    text-align: center;
  }

  .landing-sticky-cta .btn {
    width: 100%;
    max-width: 280px;
    padding: 12px;
  }

  .preview-note {
    width: clamp(90px, 25vw, 140px);
    font-size: 10px;
    padding: 8px;
    line-height: 1.3;
  }

  /* Flatten 3D preview tilt on mobile */
  .landing-preview-card {
    transform: none;
  }

  .landing-preview-card:hover {
    transform: none;
  }

  /* Ensure hero content doesn't overflow */
  .landing-hero-content {
    padding: 0;
  }

  .legal-content h1 {
    font-size: 28px;
  }

  .legal-content {
    padding: 32px 16px 48px;
  }

  .contact-card {
    padding: 24px;
  }
}