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

:root {
  --bg:        #0D1B2A;
  --surface:   #162233;
  --surface2:  #1C2D42;
  --accent:    #1AB5A4;
  --accent-dim:#13897C;
  --text:      #FFFFFF;
  --text-sec:  #A0B4C8;
  --radius:    14px;
  --max-w:     1100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ── Layout helpers ───────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ───────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.nav-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-sec);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s, transform 0.1s;
  cursor: pointer;
  border: none;
  text-decoration: none !important;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
}

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  margin: 0 auto 32px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin: 0 auto 20px;
}

.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 1.15rem;
  color: var(--text-sec);
  max-width: 520px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.appstore-badge {
  height: 44px;
  width: auto;
  border-radius: 8px;
}

/* ── Features ─────────────────────────────────────────────────────── */
.features {
  padding: 80px 24px;
}

.section-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.feature-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(26,181,164,0.3);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-sec);
  line-height: 1.6;
}

/* ── CTA strip ────────────────────────────────────────────────────── */
.cta-strip {
  background: var(--surface);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 64px 24px;
  text-align: center;
}

.cta-strip h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-strip p {
  color: var(--text-sec);
  margin-bottom: 32px;
  font-size: 1rem;
}

/* ── Footer ───────────────────────────────────────────────────────── */
footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-sec);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-sec);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--text); text-decoration: none; }

/* ── Inner page (privacy, terms, support) ─────────────────────────── */
.page-hero {
  padding: 72px 24px 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--text-sec);
  font-size: 1rem;
}

.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

.page-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 40px 0 12px;
  color: var(--accent);
}

.page-content p,
.page-content li {
  font-size: 0.95rem;
  color: var(--text-sec);
  line-height: 1.75;
  margin-bottom: 12px;
}

.page-content ul {
  padding-left: 20px;
}

.placeholder-note {
  display: inline-block;
  background: rgba(26,181,164,0.12);
  border: 1px dashed var(--accent);
  color: var(--accent);
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 24px;
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 16px 24px 24px;
    gap: 16px;
    align-items: flex-start;
  }
  .nav-toggle { display: flex; }
  .hero { padding: 60px 24px 56px; }
}