/* === TOKENS === */
:root {
  --bg:            #0F172A;
  --surface:       #1E293B;
  --surface-alt:   #0F1F2E;
  --accent:        #38BDF8;
  --accent-dim:    rgba(56, 189, 248, 0.15);
  --indigo:        #818CF8;
  --text:          #F1F5F9;
  --muted:         #94A3B8;
  --border:        #1E293B;
  --radius-sm:     10px;
  --radius:        18px;
  --radius-lg:     28px;
  --font:          'Sora', system-ui, sans-serif;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img, video { max-width: 100%; display: block; }

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 760px; }

/* === NAV === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon { font-size: 22px; }
.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: opacity 0.2s, transform 0.15s;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  padding: 10px 22px;
  font-size: 14px;
}
.btn-sm { font-size: 13px; padding: 8px 18px; }

/* === STORE BUTTONS === */
.store-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 36px;
}
.store-buttons-centered { justify-content: center; margin-top: 28px; }
.store-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  transition: border-color 0.2s, transform 0.15s, background 0.2s;
}
.store-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-2px);
}
.store-icon { width: 26px; height: 26px; flex-shrink: 0; color: var(--text); }
.store-label { font-size: 11px; color: var(--muted); font-weight: 500; }
.store-name { font-size: 16px; font-weight: 700; letter-spacing: -0.3px; }

/* === HERO === */
.hero {
  padding: 100px 0 80px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.hero-headline {
  font-size: clamp(42px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
}
.accent { color: var(--accent); }
.hero-subheadline {
  margin-top: 20px;
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 460px;
}

/* === PHONE MOCKUP === */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.phone-mockup {
  width: 280px;
  height: 560px;
  background: var(--surface);
  border-radius: 44px;
  border: 8px solid #2D3F55;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.4),
    0 40px 80px rgba(0,0,0,0.5),
    0 0 60px rgba(56, 189, 248, 0.08);
  overflow: hidden;
  position: relative;
}
.phone-mockup::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 6px;
  background: #2D3F55;
  border-radius: 3px;
  z-index: 1;
}
.phone-screen {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--surface-alt);
}
.phone-mockup-sm {
  width: 240px;
  height: 480px;
}

/* === SCREENSHOT & VIDEO PLACEHOLDERS === */
.screenshot-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(160deg, var(--surface-alt), var(--surface));
}
.placeholder-icon { font-size: 40px; }
.placeholder-text { font-size: 12px; color: var(--muted); font-weight: 500; }
.video-placeholder {
  margin-top: 40px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.07);
  overflow: hidden;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.play-button {
  width: 72px;
  height: 72px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  padding-left: 4px;
  box-shadow: 0 0 40px rgba(56, 189, 248, 0.4);
}
.video-label { color: var(--muted); font-size: 14px; }

/* === SECTION LABELS / TITLES === */
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-label.centered { text-align: center; }
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
}
.section-title.centered { text-align: center; }
.section-title.left { text-align: left; }

/* === DEMO SECTION === */
.demo-section {
  padding: 80px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.demo-section .section-title { text-align: center; }

/* === FEATURE SPOTLIGHT === */
.feature-spotlight {
  padding: 100px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.feature-spotlight-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feature-body {
  margin-top: 16px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
}
.feature-list {
  margin-top: 24px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-list li {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
}

/* === FEATURES GRID === */
.features-section {
  padding: 100px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-3px);
}
.feature-emoji { font-size: 32px; margin-bottom: 16px; }
.feature-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.feature-desc { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* === HOW IT WORKS === */
.how-section {
  padding: 100px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.steps {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.step-connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(56, 189, 248, 0.4), rgba(56, 189, 248, 0.1));
  margin-left: 19px;
}
.step-number {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
}
.step-content { padding-bottom: 8px; }
.step-title { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.step-desc { font-size: 15px; color: var(--muted); line-height: 1.65; }

/* === PRIVACY SECTION === */
.privacy-section {
  padding: 100px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  background: radial-gradient(ellipse at 50% 0%, rgba(56, 189, 248, 0.05), transparent 70%);
}
.privacy-inner { text-align: center; }
.privacy-icon { font-size: 48px; margin-bottom: 20px; }
.privacy-body {
  margin-top: 16px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
}
.privacy-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 32px;
}
.privacy-badge {
  background: var(--accent-dim);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
}

/* === DOWNLOAD SECTION === */
.download-section {
  padding: 100px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.download-inner { text-align: center; }
.download-body {
  margin-top: 12px;
  font-size: 16px;
  color: var(--muted);
}

/* === FOOTER === */
.footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-links { display: flex; gap: 24px; }
.footer-link {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-link:hover { color: var(--accent); }
.footer-copy { font-size: 13px; color: var(--muted); opacity: 0.6; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { padding: 60px 0 40px; }
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual { order: -1; }
  .phone-mockup { width: 220px; height: 440px; }

  .feature-spotlight-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .feature-spotlight-visual { display: flex; justify-content: center; }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .store-buttons { flex-direction: column; align-items: flex-start; }
  .store-buttons-centered { align-items: center; }
}

@media (max-width: 480px) {
  .hero-headline { letter-spacing: -1.5px; }
  .features-grid { grid-template-columns: 1fr; }
}