/* Base tokens and dark mode retained */
:root {
  --bg: #0b1220;
  --panel: #0f172a;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --line: #1f2937;
  --brand-1: #4f46e5;
  --brand-2: #06b6d4;
  --brand: #0ea5e9;
  --shadow: 0 12px 30px rgba(0,0,0,.45);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --panel: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --line: #e2e8f0;
    --shadow: 0 12px 30px rgba(2,6,23,.08);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial; color: var(--text); background: radial-gradient(120% 120% at 100% 0%, color-mix(in oklab, var(--brand) 12%, transparent), var(--bg)); }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { position: fixed; left: 16px; top: 16px; z-index: 100; background: #fff; color: #000; padding: 10px 12px; border-radius: 8px; box-shadow: var(--shadow); }

.btn { display: inline-block; padding: 12px 18px; border-radius: 12px; text-decoration: none; font-weight: 600; transition: all .2s ease; }
.btn-sm { padding: 8px 12px; border-radius: 10px; }
.btn-primary { background: linear-gradient(135deg, var(--brand-1), var(--brand-2)); color: #fff; box-shadow: 0 6px 16px rgba(79, 70, 229, .35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(79, 70, 229, .4); }
.btn-ghost { color: var(--brand); background: color-mix(in oklab, var(--brand) 14%, transparent); border: 1px solid color-mix(in oklab, var(--brand) 30%, transparent); }
.btn-ghost:hover { background: color-mix(in oklab, var(--brand) 18%, transparent); }

.site-header { position: sticky; top: 0; border-bottom: 1px solid var(--line); z-index: 50; overflow: hidden; background: linear-gradient(90deg,
  color-mix(in oklab, var(--brand-1) 18%, var(--panel)),
  color-mix(in oklab, var(--brand-2) 18%, var(--panel))
); backdrop-filter: blur(14px) saturate(1.2); }
.site-header::before { content: ""; position: absolute; inset: -40% -40% auto -40%; height: 180%; background:
  radial-gradient(40% 40% at 15% 40%, color-mix(in oklab, var(--brand-2) 28%, transparent), transparent 60%),
  radial-gradient(30% 30% at 80% 20%, color-mix(in oklab, var(--brand-1) 24%, transparent), transparent 60%);
filter: blur(40px); pointer-events: none; opacity: .6; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; gap: 14px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit; }
.brand-icon { width: 56px; height: 56px; border-radius: 12px; box-shadow: 0 6px 18px rgba(0,0,0,.25); }
.brand-title { font-size: clamp(28px, 2.8vw, 36px); font-weight: 900; line-height: 1.1; display: block; }
.brand-sub { font-size: clamp(14px, 1.6vw, 16px); font-weight: 700; color: var(--muted); display: block; }
.nav { display: flex; gap: 16px; align-items: center; }
.nav a { color: inherit; text-decoration: none; font-weight: 700; font-size: 15px; padding: 10px 12px; border-radius: 10px; }
.nav a:hover { background: color-mix(in oklab, var(--text) 8%, transparent); }
.menu-toggle { display: none; background: none; border: none; padding: 6px; border-radius: 8px; }
.menu-toggle .menu-bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 1px; }

.hero { position: relative; background: linear-gradient(180deg, color-mix(in oklab, var(--brand) 10%, var(--panel)), transparent 60%); border-bottom: 1px solid var(--line); overflow: hidden; }
.bg-blur { position: absolute; inset: -20% -20% auto -20%; height: 60%; background: radial-gradient(60% 60% at 20% 20%, color-mix(in oklab, var(--brand-2) 35%, transparent), transparent 70%); filter: blur(50px); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: center; padding: 88px 0; }
.badge { display: inline-block; font-size: 12px; color: var(--brand); background: color-mix(in oklab, var(--brand) 12%, transparent); border: 1px solid color-mix(in oklab, var(--brand) 22%, transparent); padding: 6px 10px; border-radius: 999px; margin-bottom: 10px; }
.hero-copy h1 { font-size: clamp(28px, 4vw, 50px); margin: 0 0 10px; }
.hero-copy p { color: var(--muted); font-size: 16px; margin: 0 0 16px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.chips span { font-size: 12px; color: var(--muted); border: 1px solid var(--line); padding: 6px 10px; border-radius: 999px; background: color-mix(in oklab, var(--text) 4%, transparent); }
.hero-art { display: flex; justify-content: center; }
.phone-mock { width: min(380px, 100%); border-radius: 26px; padding: 16px; background: var(--panel); border: 1px solid var(--line); box-shadow: var(--shadow); transform: rotate(-1.2deg); animation: float 6s ease-in-out infinite; }
.status { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.status .stat { background: color-mix(in oklab, var(--text) 4%, transparent); border: 1px solid var(--line); border-radius: 12px; padding: 10px; text-align: center; }
.status .stat span { display: block; font-size: 12px; color: var(--muted); }
.status .stat strong { display: block; font-size: 18px; }
/* Colorful variants for a cooler, modern look */
.status .stat:nth-child(1) { 
  background: linear-gradient(135deg, #8b5cf6, #6366f1); 
  border: none; color: #fff; box-shadow: 0 8px 20px rgba(99,102,241,.35);
}
.status .stat:nth-child(2) { 
  background: linear-gradient(135deg, #06b6d4, #3b82f6); 
  border: none; color: #fff; box-shadow: 0 8px 20px rgba(6,182,212,.35);
}
.status .stat:nth-child(3) { 
  background: linear-gradient(135deg, #10b981, #22c55e); 
  border: none; color: #fff; box-shadow: 0 8px 20px rgba(16,185,129,.35);
}
.status .stat:nth-child(1) span,
.status .stat:nth-child(2) span,
.status .stat:nth-child(3) span { color: color-mix(in oklab, #ffffff 85%, transparent); }
.status .stat:nth-child(1) strong,
.status .stat:nth-child(2) strong,
.status .stat:nth-child(3) strong { color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.25); }

/* Vibrant insight pill */
.insight { 
  font-size: 12px; 
  color: #fff; 
  background: linear-gradient(135deg, #f59e0b, #ec4899);
  border: none; 
  padding: 12px; 
  border-radius: 12px; 
  box-shadow: 0 8px 20px rgba(236,72,153,.25);
}
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; height: 60px; background: radial-gradient(120% 120% at 50% -20%, color-mix(in oklab, var(--brand) 14%, transparent), transparent 60%); pointer-events: none; }

.section { padding: 80px 0; }
.section-alt { background: color-mix(in oklab, var(--text) 6%, transparent); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-title { font-size: clamp(22px, 3vw, 34px); margin: 0 0 18px; }
.section-sub { color: var(--muted); margin: 0 0 18px; }

.grid { display: grid; gap: 16px; }
.features-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature { background: color-mix(in oklab, var(--panel) 86%, transparent); border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: 0 8px 20px rgba(0,0,0,.25); transition: transform .15s ease, background .2s ease; position: relative; overflow: hidden; }
.feature:hover { transform: translateY(-2px); background: color-mix(in oklab, var(--panel) 95%, transparent); }
.feature-icon { font-size: 28px; }
.glass { backdrop-filter: blur(6px) saturate(1.1); }

/* Carousel - removed */
.carousel, .car-btn, .car-track, .car-slide { display: none !important; }

/* Colorful variants for each feature card */
.features-grid .feature:nth-child(1) { /* Mood Tracking */
  background: linear-gradient(135deg, #a78bfa, #f472b6);
  border: none; color: #fff; box-shadow: 0 10px 24px rgba(164, 120, 255, .35);
}
.features-grid .feature:nth-child(2) { /* Sleep Quality */
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  border: none; color: #fff; box-shadow: 0 10px 24px rgba(6, 182, 212, .35);
}
.features-grid .feature:nth-child(3) { /* Trends & Insights */
  background: linear-gradient(135deg, #f43f5e, #8b5cf6);
  border: none; color: #fff; box-shadow: 0 10px 24px rgba(244, 63, 94, .30);
}
.features-grid .feature:nth-child(4) { /* Personalized Goals */
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  border: none; color: #fff; box-shadow: 0 10px 24px rgba(239, 68, 68, .30);
}
.features-grid .feature:nth-child(5) { /* Stress Manager */
  background: linear-gradient(135deg, #10b981, #22c55e);
  border: none; color: #fff; box-shadow: 0 10px 24px rgba(16, 185, 129, .30);
}
.features-grid .feature:nth-child(6) { /* Privacy First */
  background: linear-gradient(135deg, #64748b, #0ea5e9);
  border: none; color: #fff; box-shadow: 0 10px 24px rgba(14, 165, 233, .30);
}
.features-grid .feature:nth-child(n) p { color: rgba(255,255,255,.92); }
.features-grid .feature:nth-child(n) .feature-icon { text-shadow: 0 2px 6px rgba(0,0,0,.25); }

/* Lists & privacy */
.list { margin: 0; padding-left: 18px; color: var(--muted); }
.privacy { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }

/* Floating CTA */
.floating-cta { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); display: flex; gap: 10px; background: color-mix(in oklab, var(--panel) 82%, transparent); border: 1px solid var(--line); padding: 8px 10px; border-radius: 999px; box-shadow: var(--shadow); backdrop-filter: blur(8px) saturate(1.1); z-index: 40; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: color-mix(in oklab, var(--panel) 86%, transparent); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; font-size: 14px; color: var(--muted); gap: 12px; }
.footer-left { display: flex; flex-direction: column; gap: 8px; }
.footer-disclaimer small { color: var(--muted); font-size: 12px; line-height: 1.4; }
.footer-nav { display: flex; gap: 12px; }
.footer-inner a { color: var(--brand); text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }

@keyframes float { 0%,100% { transform: rotate(-1.2deg) translateY(0); } 50% { transform: rotate(-1.2deg) translateY(-6px); }}

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .privacy { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-block; }
  .nav { position: fixed; inset: 60px 12px auto 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 10px; gap: 6px; display: none; flex-direction: column; }
  .nav.open { display: flex; }
  body.nav-open { overflow: hidden; }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
  .header-inner { flex-wrap: wrap; gap: 12px; padding: 14px 0; }
  .brand-icon { width: 44px; height: 44px; }
  .brand-title { font-size: clamp(22px, 6vw, 28px); }
  .brand-sub { font-size: clamp(12px, 3.6vw, 14px); }
  .floating-cta { left: 12px; right: 12px; transform: none; }
}

/* Screenshots Section */
.section-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.screenshots-carousel {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
  gap: 20px;
}

.screenshot-slide {
  flex: 0 0 300px;
  min-width: 300px;
}

.phone-frame {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.phone-frame:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,.3);
}

.phone-frame img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
}

.screenshot-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: white;
  padding: 20px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.phone-frame:hover .screenshot-overlay {
  transform: translateY(0);
}

.screenshot-overlay h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
}

.screenshot-overlay p {
  margin: 0;
  font-size: 14px;
  opacity: 0.9;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  backdrop-filter: blur(10px);
}

.carousel-btn:hover {
  background: var(--brand);
  color: white;
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
  left: -24px;
}

.carousel-btn.next {
  right: -24px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 30px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--line);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: var(--brand);
  transform: scale(1.2);
}

.dot:hover {
  background: var(--brand);
  transform: scale(1.1);
}

/* Mobile responsive for screenshots */
@media (max-width: 768px) {
  .screenshots-carousel {
    max-width: 100%;
    padding: 0 20px;
  }
  
  .carousel-track {
    gap: 15px;
  }
  
  .screenshot-slide {
    flex: 0 0 280px;
    min-width: 280px;
  }
  
  .carousel-btn {
    width: 40px;
    height: 40px;
  }
  
  .carousel-btn.prev {
    left: -20px;
  }
  
  .carousel-btn.next {
    right: -20px;
  }
  
  .screenshot-overlay {
    padding: 15px;
  }
  
  .screenshot-overlay h3 {
    font-size: 16px;
  }
  
  .screenshot-overlay p {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .screenshot-slide {
    flex: 0 0 260px;
    min-width: 260px;
  }
  
  .carousel-btn {
    display: none;
  }
  
  .carousel-dots {
    margin-top: 20px;
  }
}

/* Screenshots with Audio */
.screenshots-with-audio {
  max-width: 1000px;
  margin: 0 auto;
}

.audio-controls {
  text-align: center;
  margin-bottom: 30px;
}

.audio-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.audio-play-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.4);
}

.audio-play-btn.playing {
  background: #10b981;
}

.audio-play-btn.playing svg {
  display: none;
}

.audio-play-btn.playing::after {
  content: "⏸";
  font-size: 16px;
}

#screenshots-audio {
  display: none;
}

/* Medical Disclaimer Section */
.disclaimer-section {
  background: linear-gradient(135deg, 
    color-mix(in oklab, #f59e0b 8%, var(--bg)), 
    color-mix(in oklab, #ef4444 8%, var(--bg))
  );
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.disclaimer-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  border-radius: 20px;
  background: color-mix(in oklab, var(--panel) 90%, transparent);
  border: 1px solid color-mix(in oklab, #f59e0b 30%, var(--line));
  box-shadow: 0 20px 40px rgba(245, 158, 11, 0.15);
}

.disclaimer-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  text-align: center;
  justify-content: center;
}

.disclaimer-icon {
  font-size: 32px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.disclaimer-header h2 {
  margin: 0;
  color: #f59e0b;
  font-size: 28px;
  font-weight: 700;
}

.disclaimer-text {
  text-align: left;
}

.disclaimer-text p {
  margin: 0 0 16px 0;
  line-height: 1.6;
}

.disclaimer-text ul {
  margin: 16px 0;
  padding-left: 24px;
}

.disclaimer-text li {
  margin: 8px 0;
  line-height: 1.5;
  color: var(--text);
}

.disclaimer-note {
  margin-top: 20px !important;
  padding: 16px;
  background: color-mix(in oklab, #f59e0b 15%, transparent);
  border-radius: 12px;
  border-left: 4px solid #f59e0b;
  font-style: italic;
  color: var(--text) !important;
}

/* Mobile responsive for disclaimer */
@media (max-width: 768px) {
  .disclaimer-content {
    padding: 24px;
    margin: 0 20px;
  }
  
  .disclaimer-header h2 {
    font-size: 24px;
  }
  
  .disclaimer-icon {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .disclaimer-content {
    padding: 20px;
    margin: 0 16px;
  }
  
  .disclaimer-header {
    flex-direction: column;
    gap: 12px;
  }
  
  .disclaimer-header h2 {
    font-size: 22px;
  }
}