/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, sans-serif;
  background: #0f0f11;
  color: #e0e0e0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: #3b82f6; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

/* ===== Navigation ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15, 15, 17, 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;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { width: 36px; height: 36px; border-radius: 8px; }
.nav-logo span { font-size: 1.1rem; font-weight: 600; color: #fff; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; text-decoration: none; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 120px 24px 80px; text-align: center;
}
.hero-inner { max-width: 800px; }
.hero-icon {
  width: 100px; height: 100px; border-radius: 22px;
  margin: 0 auto 32px; box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700; color: #fff;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.hero p {
  font-size: 1.15rem; color: rgba(255,255,255,0.55);
  max-width: 560px; margin: 0 auto 40px;
}
.app-store-badge {
  display: inline-block; transition: transform 0.2s;
}
.app-store-badge:hover { transform: scale(1.05); }
.app-store-badge img { height: 54px; }

/* ===== Section ===== */
.section {
  padding: 100px 24px;
  max-width: 1100px; margin: 0 auto;
}
.section-title {
  font-size: 2rem; font-weight: 700; color: #fff;
  text-align: center; margin-bottom: 12px; letter-spacing: -0.01em;
}
.section-subtitle {
  font-size: 1.05rem; color: rgba(255,255,255,0.45);
  text-align: center; margin-bottom: 56px; max-width: 600px;
  margin-left: auto; margin-right: auto;
}

/* ===== Feature Grid ===== */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feature-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px; padding: 32px;
  transition: background 0.25s, border-color 0.25s;
}
.feature-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(59,130,246,0.12); color: #3b82f6;
  font-size: 1.3rem; margin-bottom: 18px;
}
.feature-card h3 {
  font-size: 1.1rem; font-weight: 600; color: #fff; margin-bottom: 8px;
}
.feature-card p { font-size: 0.92rem; color: rgba(255,255,255,0.5); }

/* ===== Screenshots ===== */
.screenshots {
  padding: 80px 24px;
  overflow: hidden;
}
.screenshots-scroll {
  display: flex; gap: 20px; overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0 24px 24px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.screenshots-scroll::-webkit-scrollbar { display: none; }
.screenshot-item {
  flex: 0 0 auto; width: 260px;
  scroll-snap-align: center;
  border-radius: 20px; overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.06);
}
.screenshot-item img {
  width: 100%; height: auto; display: block;
}

/* ===== About Section ===== */
.about-content {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center;
}
.about-text h3 {
  font-size: 1.4rem; font-weight: 600; color: #fff; margin-bottom: 16px;
}
.about-text p {
  font-size: 0.95rem; color: rgba(255,255,255,0.5); margin-bottom: 14px;
}
.about-image {
  display: flex; justify-content: center;
}
.about-image img {
  width: 280px; border-radius: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.06);
}

/* ===== CTA ===== */
.cta {
  text-align: center; padding: 100px 24px;
}
.cta h2 {
  font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 12px;
}
.cta p {
  font-size: 1.05rem; color: rgba(255,255,255,0.45); margin-bottom: 36px;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 24px; text-align: center;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer p { font-size: 0.85rem; color: rgba(255,255,255,0.3); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.4); }
.footer-links a:hover { color: #fff; text-decoration: none; }

/* ===== Privacy Policy ===== */
.policy {
  max-width: 760px; margin: 0 auto;
  padding: 120px 24px 80px;
}
.policy h1 {
  font-size: 2.2rem; font-weight: 700; color: #fff; margin-bottom: 8px;
}
.policy .updated {
  font-size: 0.9rem; color: rgba(255,255,255,0.35); margin-bottom: 40px;
}
.policy h2 {
  font-size: 1.3rem; font-weight: 600; color: #fff;
  margin-top: 36px; margin-bottom: 12px;
}
.policy p, .policy ul {
  font-size: 0.95rem; color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
}
.policy ul { padding-left: 24px; }
.policy li { margin-bottom: 8px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .about-content { grid-template-columns: 1fr; text-align: center; }
  .about-image { order: -1; }
  .nav-links { gap: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .screenshot-item { width: 220px; }
}