/* ============================================
   TEACH.IT — PROMOTIONAL WEBSITE STYLESHEET
   ============================================ */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors */
  --clr-primary:      #1a56db;
  --clr-primary-dark: #1343bc;
  --clr-primary-light:#3b82f6;
  --clr-accent:       #f59e0b;
  --clr-accent-dark:  #d97706;
  --clr-bg:           #0a0e1a;
  --clr-bg-2:         #111827;
  --clr-bg-3:         #1f2937;
  --clr-surface:      #1f2937;
  --clr-border:       rgba(255,255,255,0.08);
  --clr-text:         #f9fafb;
  --clr-text-muted:   #9ca3af;
  --clr-text-subtle:  #6b7280;
  --clr-green:        #10b981;
  --clr-red:          #ef4444;
  --clr-yellow:       #f59e0b;

  /* Gradients */
  --grad-primary:   linear-gradient(135deg, #1a56db 0%, #7c3aed 100%);
  --grad-hero:      linear-gradient(180deg, #0a0e1a 0%, #111827 100%);
  --grad-text:      linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #f472b6 100%);
  --grad-card:      linear-gradient(135deg, rgba(26,86,219,0.12) 0%, rgba(124,58,237,0.08) 100%);

  /* Typography */
  --font-sans:      'Inter', system-ui, sans-serif;
  --font-display:   'Playfair Display', Georgia, serif;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Radius */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 60px rgba(26,86,219,0.3);

  /* Transitions */
  --transition: 0.25s ease;
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}
@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}
@keyframes count-up {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
  box-shadow: 0 4px 20px rgba(26,86,219,0.4);
}
.btn-primary:hover {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(26,86,219,0.55);
}

.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border-color: rgba(255,255,255,0.25);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border-color: transparent;
  padding: 0.75rem 1.25rem;
}
.btn-ghost:hover { color: var(--clr-text); background: rgba(255,255,255,0.06); }

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-block { width: 100%; justify-content: center; }

/* ---------- GRADIENT TEXT ---------- */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- SECTION HEADERS ---------- */
.section-header { text-align: center; margin-bottom: var(--space-xl); }
.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary-light);
  background: rgba(26,86,219,0.12);
  border: 1px solid rgba(26,86,219,0.25);
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--clr-text);
}
.section-sub {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all 0.35s ease;
}
.navbar.scrolled {
  background: rgba(10,14,26,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  padding: 0.875rem 0;
  box-shadow: var(--shadow-md);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo-img {
  height: 44px;
  width: auto;
  transition: opacity var(--transition);
}
.nav-logo-img:hover { opacity: 0.85; }

.nav-links {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  padding: 0.5rem 0.875rem;
  border-radius: 8px;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-links a:hover { color: var(--clr-text); background: rgba(255,255,255,0.07); }

.nav-cta { display: flex; gap: 0.5rem; align-items: center; flex-shrink: 0; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
  background: var(--grad-hero);
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}
.shape-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #1a56db, transparent);
  top: -200px; left: -100px;
  animation: float 10s ease-in-out infinite;
}
.shape-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #7c3aed, transparent);
  top: 40%; right: -100px;
  animation: float 13s ease-in-out infinite reverse;
}
.shape-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #f59e0b, transparent);
  bottom: 100px; left: 40%;
  animation: float 11s ease-in-out infinite 2s;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--clr-text-muted);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.4rem 1.1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--clr-green);
  box-shadow: 0 0 0 0 rgba(16,185,129,0.6);
  animation: pulse-ring 2s ease-out infinite;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 820px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-text-muted);
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3.5rem;
}
.stat { text-align: center; }
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--clr-text);
  line-height: 1;
}
.stat-unit { font-size: 1.5rem; font-weight: 800; color: var(--clr-primary-light); }
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--clr-text-subtle);
  font-weight: 500;
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--clr-border);
}

.hero-screenshot {
  width: 100%;
  max-width: 1000px;
  margin-top: 1rem;
}
.screenshot-frame {
  background: var(--clr-bg-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.05);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.screenshot-frame:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 100px rgba(0,0,0,0.75), var(--shadow-glow);
}
.screenshot-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--clr-border);
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red    { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green  { background: #10b981; }
.url-bar {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--clr-text-subtle);
  background: rgba(255,255,255,0.06);
  padding: 0.3rem 1rem;
  border-radius: 6px;
  font-family: monospace;
}
.screenshot-frame img { width: 100%; }

/* ---------- FEATURES ---------- */
.features {
  padding: var(--space-3xl) 0;
  background: var(--clr-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.feature-card:hover {
  border-color: rgba(26,86,219,0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.feature-card:hover::before { opacity: 1; }

.feature-card--large {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}
.feature-card--reverse .feature-card-inner { order: 2; }
.feature-card--reverse .feature-card-image { order: 1; }

.feature-icon {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  line-height: 1;
}
.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}
.feature-card p {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}
.feature-list {
  position: relative;
  z-index: 1;
}
.feature-list li {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  padding: 0.35rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.feature-list li::before {
  content: '→';
  color: var(--clr-primary-light);
  font-size: 0.8rem;
  margin-top: 1px;
  flex-shrink: 0;
}

.feature-card-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}
.feature-card-image img {
  width: 100%;
  transition: transform 0.4s ease;
}
.feature-card:hover .feature-card-image img { transform: scale(1.02); }
.feature-card-image--sm {
  margin-top: 1.5rem;
  max-height: 220px;
  overflow: hidden;
}

/* ---------- SCREENSHOTS CAROUSEL ---------- */
.screenshots {
  padding: var(--space-3xl) 0;
  background: var(--clr-bg-2);
}

.screenshot-carousel {
  position: relative;
  overflow: hidden;
  background: var(--clr-bg-3);
  border-radius: var(--radius-xl);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-lg);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.carousel-slide {
  min-width: 100%;
  display: none;
  flex-direction: column;
}
.carousel-slide.active { display: flex; }
.carousel-slide.animating { display: flex; }

.carousel-frame {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-bg-2);
}
.carousel-frame img {
  width: 100%;
  display: block;
  object-fit: cover;
  max-height: 500px;
  object-position: top;
}

.carousel-caption {
  padding: 1.25rem 1.75rem;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  min-height: 64px;
}
.carousel-caption strong { color: var(--clr-text); }

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 1.75rem 1.5rem;
  background: var(--clr-bg-3);
  border-top: 1px solid var(--clr-border);
}

.carousel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.carousel-btn:hover {
  background: rgba(255,255,255,0.12);
  color: var(--clr-text);
  border-color: rgba(255,255,255,0.2);
}

.carousel-dots {
  display: flex;
  gap: 0.4rem;
}
.carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.carousel-dot.active {
  background: var(--clr-primary-light);
  width: 24px;
  border-radius: 4px;
}

/* ---------- SHARING SHOWCASE ---------- */
.sharing-showcase {
  padding: var(--space-3xl) 0;
  background: var(--clr-bg);
}

.sharing-tabs {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.sharing-tab-nav {
  display: flex;
  border-bottom: 1px solid var(--clr-border);
  background: rgba(255,255,255,0.03);
}

.sharing-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.2rem 1.75rem;
  background: none;
  border: none;
  color: var(--clr-text-muted);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
}
.sharing-tab-btn:hover {
  color: var(--clr-text);
  background: rgba(255,255,255,0.04);
}
.sharing-tab-btn.active {
  color: var(--clr-primary-light);
  border-bottom-color: var(--clr-primary-light);
  background: rgba(26,86,219,0.06);
}
.tab-icon { font-size: 1.1rem; }

.sharing-tab-panels { padding: 2.5rem; }

.sharing-tab-panel { display: none; }
.sharing-tab-panel.active { display: block; }

.sharing-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.sharing-panel-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--clr-text);
}
.sharing-panel-text > p {
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-size: 0.975rem;
}
.sharing-panel-text .feature-list { margin-bottom: 1.5rem; }

.sharing-public-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.public-badge-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-text-subtle);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sharing-panel-screenshots {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sharing-screenshot {
  position: relative;
}
.screenshot-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--clr-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
}
.sharing-screenshot .carousel-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-md);
}
.sharing-screenshot .carousel-frame img {
  width: 100%;
  display: block;
  object-fit: cover;
  max-height: 260px;
  object-position: top;
  border-bottom: none;
  transition: transform 0.4s ease;
}
.sharing-screenshot .carousel-frame:hover img {
  transform: scale(1.02);
}
.sharing-screenshot--secondary .carousel-frame img {
  max-height: 320px;
  object-position: center top;
}

/* ---------- MOBILE SECTION ---------- */
.mobile-section {
  padding: var(--space-3xl) 0;
  background: var(--clr-bg);
}
.mobile-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.mobile-text .section-title { text-align: left; }
.mobile-text p {
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin: 1.25rem 0;
}
.mobile-text .feature-list { margin-bottom: 2rem; }

.mobile-phone {
  display: flex;
  justify-content: center;
  align-items: center;
}
.phone-frame {
  position: relative;
  width: 260px;
  background: var(--clr-bg-3);
  border-radius: 36px;
  border: 3px solid var(--clr-border);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
  animation: float 7s ease-in-out infinite;
}
.phone-notch {
  width: 80px; height: 20px;
  background: var(--clr-bg-3);
  border-radius: 0 0 14px 14px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}
.phone-frame img { width: 100%; display: block; }

/* ---------- AUDIENCE ---------- */
.audience {
  padding: var(--space-3xl) 0;
  background: var(--clr-bg-2);
}
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.audience-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all 0.3s ease;
}
.audience-card:hover {
  border-color: rgba(26,86,219,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.audience-icon { font-size: 2rem; margin-bottom: 1rem; }
.audience-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.audience-card p {
  color: var(--clr-text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

/* ---------- TEMPLATES ---------- */
.templates-section {
  padding: var(--space-2xl) 0;
  background: var(--clr-bg);
}
.templates-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.template-pill {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  transition: all var(--transition);
  cursor: default;
}
.template-pill:hover {
  background: rgba(26,86,219,0.12);
  border-color: rgba(26,86,219,0.35);
  color: var(--clr-text);
  transform: translateY(-2px);
}

/* ---------- PRICING ---------- */
.pricing {
  padding: var(--space-3xl) 0;
  background: var(--clr-bg-2);
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
  transition: all 0.3s ease;
}
.pricing-card--featured {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(26,86,219,0.12) 0%, rgba(124,58,237,0.06) 100%);
  box-shadow: 0 0 40px rgba(26,86,219,0.2);
}
.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  text-transform: uppercase;
  white-space: nowrap;
}
.pricing-tier {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-muted);
  margin-bottom: 0.5rem;
}
.pricing-price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--clr-text);
  margin-bottom: 1rem;
  line-height: 1;
}
.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  font-family: var(--font-sans);
}
.pricing-desc {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
.pricing-features {
  margin-bottom: 2rem;
}
.pricing-features li {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.pricing-features li:last-child { border-bottom: none; }

/* ---------- FINAL CTA ---------- */
.final-cta {
  padding: var(--space-3xl) 0;
  background: var(--clr-bg);
}
.final-cta-inner {
  background: var(--grad-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-glow);
}
.final-cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.final-cta-inner p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 500px;
  margin: 0 auto 2rem;
}
.final-cta .btn-primary {
  background: #fff;
  color: var(--clr-primary-dark);
  border-color: #fff;
}
.final-cta .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.9);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-xl) 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}
.footer-brand .footer-logo-icon {
  height: 70px;
  width: auto;
  filter: brightness(0) invert(0.85);
  margin-bottom: 0.5rem;
  display: block;
}
.footer-brand p { font-size: 0.875rem; color: var(--clr-text-subtle); margin-top: 0.5rem; }
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-subtle);
  margin-bottom: 1rem;
}
.footer-col ul li {
  margin-bottom: 0.6rem;
}
.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--clr-text); }

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding: 1.5rem 1.5rem;
  font-size: 0.8rem;
  color: var(--clr-text-subtle);
  text-align: center;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: 1fr; }
  .feature-card--large { grid-template-columns: 1fr; }
  .feature-card--large .feature-card-inner { order: 1; }
  .feature-card--large .feature-card-image { order: 2; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
  .sharing-panel-inner { grid-template-columns: 1fr; gap: 2rem; }
  .sharing-panel-screenshots { flex-direction: row; gap: 1rem; }
  .sharing-screenshot .carousel-frame img { max-height: 200px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta .btn-ghost { display: none; }
  .nav-hamburger { display: flex; }
  .nav-cta { gap: 0.5rem; }
  .nav-inner { gap: 1rem; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(10,14,26,0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--clr-border);
    padding: 1rem;
    gap: 0.25rem;
  }
  .nav-links.open a { padding: 0.8rem 1rem; border-radius: 8px; display: block; }

  .hero { padding: 6rem 0 3rem; }
  .hero-stats { gap: 1rem; }
  .stat-num { font-size: 1.5rem; }

  .audience-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .sharing-tab-nav { flex-direction: column; }
  .sharing-tab-btn { justify-content: flex-start; border-bottom: none; border-left: 3px solid transparent; margin-bottom: 0; }
  .sharing-tab-btn.active { border-left-color: var(--clr-primary-light); border-bottom-color: transparent; }
  .sharing-tab-panels { padding: 1.5rem; }
  .sharing-panel-screenshots { flex-direction: column; }

  .mobile-inner { grid-template-columns: 1fr; text-align: center; }
  .mobile-text .section-title { text-align: center; }
  .mobile-text .section-eyebrow { display: block; text-align: center; }
  .mobile-phone { order: -1; }
  .phone-frame { width: 200px; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .audience-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .stat-divider { display: none; }
  .hero-stats { gap: 1.5rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .pricing-testing { grid-template-columns: 1fr; }
}

/* ---------- TESTING MODE & EARLY ADOPTER ---------- */
.pricing-testing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 960px;
  margin: 0 auto;
  align-items: start;
}

/* Main testing card */
.testing-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
}
.testing-badge {
  display: inline-block;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  color: #10b981;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}
.testing-price {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--clr-text);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.testing-price-label {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: 1.5rem;
}
.testing-features {
  margin-bottom: 2rem;
}
.testing-features li {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.testing-features li:last-child { border-bottom: none; }

/* Early adopter card */
.early-adopter-card {
  background: linear-gradient(135deg, rgba(245,158,11,0.08) 0%, rgba(217,119,6,0.04) 100%);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
}
.early-adopter-card:hover {
  border-color: rgba(245,158,11,0.45);
  box-shadow: 0 0 40px rgba(245,158,11,0.1);
  transform: translateY(-4px);
}
.ea-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1;
}
.early-adopter-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--clr-accent);
}
.ea-desc {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}
.ea-desc strong { color: var(--clr-text); }

.ea-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.ea-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}
.ea-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(245,158,11,0.2);
  border: 1px solid rgba(245,158,11,0.4);
  color: var(--clr-accent);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .pricing-testing { grid-template-columns: 1fr; max-width: 520px; }
}