/* ============================================================
   OpenTerrain — Shared Stylesheet
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:       #6db54a;
  --green-dim:   #4a8a32;
  --green-glow:  rgba(109, 181, 74, 0.15);
  --bg:          #0c1410;
  --surface:     #111e13;
  --surface2:    #172117;
  --border:      #1e3020;
  --text:        #deeadc;
  --text-muted:  #7a9a7a;
  --text-dim:    #4a6a4a;
  --radius:      14px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-decoration: none; }
a:hover { opacity: 0.8; }
strong { color: var(--text); font-weight: 600; }

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 32px;
  background: rgba(12, 20, 16, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.nav-logo-icon {
  width: 34px;
  height: 34px;
  background: var(--green);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 30%, rgba(109,181,74,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero h1 span { color: var(--green); }
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 44px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.2s, transform 0.15s;
  cursor: pointer;
  border: none;
}
.btn:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #0c1410; }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }

/* ── SECTION ─────────────────────────────────────────────── */
.section { padding: 80px 24px; }
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: 12px;
}
.section h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 48px;
}
.container { max-width: 1100px; margin: 0 auto; }

/* ── APP CARDS ───────────────────────────────────────────── */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.app-card:hover { border-color: var(--green-dim); transform: translateY(-3px); }
.app-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 20px;
}
.app-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}
.app-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 24px;
}
.app-card-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.app-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 3px 9px;
  border-radius: 20px;
  background: var(--surface2);
  color: var(--text-dim);
  border: 1px solid var(--border);
  margin-bottom: 14px;
}

/* ── POLICY / SUPPORT PAGE ───────────────────────────────── */
.policy, .support-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 100px 24px 80px;
}
.policy-back, .support-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 40px;
  transition: color 0.2s;
}
.policy-back:hover, .support-back:hover { color: var(--green); }
.policy h1, .support-page h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.updated {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 56px;
}
.policy h2, .support-page h2 {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 44px 0 14px;
}
.policy p, .support-page p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.policy ul, .support-page ul {
  padding-left: 20px;
  margin-bottom: 16px;
}
.policy ul li, .support-page ul li {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.policy table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.policy th {
  text-align: left;
  color: var(--text-dim);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.policy td {
  color: var(--text-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.footer-logo-icon {
  width: 26px;
  height: 26px;
  background: var(--green);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}
.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}
.footer-links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-muted); }
.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
  width: 100%;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero { padding: 100px 20px 60px; }
  .section { padding: 60px 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}