/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-dark:  #1B4332;
  --green-mid:   #2D6A4F;
  --green-light: #40916C;
  --gold:        #D4AF37;
  --white:       #FFFFFF;
  --off-white:   #F8F8F6;
  --text-muted:  rgba(255,255,255,0.70);
  --radius:      16px;
  --radius-sm:   10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background: var(--green-dark);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Layout Helpers ───────────────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Nav ──────────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(27, 67, 50, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--white); }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  background: radial-gradient(ellipse at 50% 30%, #2D6A4F 0%, #1B4332 60%);
}

.hero-inner {
  max-width: 640px;
}

.hero-icon {
  width: 110px;
  height: 110px;
  border-radius: 26px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ── App Store Button ─────────────────────────────────────────────────────── */
.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  color: var(--green-dark);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}
.app-store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}
.btn-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ── Features ─────────────────────────────────────────────────────────────── */
.features {
  padding: 100px 0;
  background: rgba(0,0,0,0.15);
}

.features h2, .screenshots h2, .cta h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: background 0.2s;
}
.feature-card:hover { background: rgba(255,255,255,0.09); }

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Screenshots ──────────────────────────────────────────────────────────── */
.screenshots {
  padding: 100px 0;
}

.screenshots-row {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.screenshot-slot {
  flex: 0 0 calc(33% - 16px);
  max-width: 260px;
}

.screenshot-placeholder {
  aspect-ratio: 9/19.5;
  background: rgba(255,255,255,0.06);
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── CTA ──────────────────────────────────────────────────────────────────── */
.cta {
  padding: 100px 0;
  background: rgba(0,0,0,0.15);
  text-align: center;
}

.cta p {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
}

.footer-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }

.footer-copy {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.35);
}

/* ── Prose (Privacy Policy) ───────────────────────────────────────────────── */
.prose-section {
  padding: 80px 0 100px;
}

.prose-container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

.prose-container h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.prose-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 48px;
}

.prose-container h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 36px 0 12px;
}

.prose-container p {
  color: rgba(255,255,255,0.80);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.prose-container ul {
  color: rgba(255,255,255,0.80);
  padding-left: 24px;
  margin-bottom: 16px;
}

.prose-container ul li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.prose-container a {
  color: #74C69D;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .screenshot-slot { flex: 0 0 calc(50% - 12px); }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { gap: 16px; }
}