/* Shared styles for localtunnel.in subpages */
:root {
  --bg: #0a0e14;
  --bg-soft: #0f1420;
  --bg-card: #131a28;
  --border: #1f2a3d;
  --border-hi: #2e4160;
  --text: #e6edf7;
  --text-dim: #8b98ad;
  --accent: #34d399;
  --accent-dim: #10b981;
  --accent-glow: rgba(52, 211, 153, 0.15);
  --blue: #60a5fa;
  --purple: #a78bfa;
  --amber: #fbbf24;
  --mono: "SF Mono", "Fira Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
::selection { background: var(--accent-dim); color: #04110b; }
main { flex: 1; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 20, 0.82);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.1rem; color: var(--text);
  text-decoration: none; letter-spacing: -0.02em;
}
.logo-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-dim), #0e7a5f);
  display: grid; place-items: center;
  box-shadow: 0 0 18px var(--accent-glow);
}
.logo-mark svg { width: 17px; height: 17px; }
.logo .tld { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 0.92rem; transition: color .18s; }
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 8px;
  font-size: 0.94rem; font-weight: 600; text-decoration: none;
  cursor: pointer; border: none; transition: all .18s;
  font-family: var(--sans);
}
.btn-primary { background: var(--accent-dim); color: #04110b; box-shadow: 0 0 24px var(--accent-glow); }
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-hi); }
.btn-ghost:hover { border-color: var(--accent-dim); color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: 0.88rem; }

/* ---------- Page header ---------- */
.page-head {
  position: relative;
  padding: 72px 0 48px;
  text-align: center;
}
.page-head::before {
  content: "";
  position: absolute; inset: -80px 0 0;
  background: radial-gradient(ellipse 55% 60% at 50% 0%, rgba(16, 185, 129, 0.1), transparent 70%);
  pointer-events: none;
}
.page-head h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.15;
  margin-bottom: 14px;
}
.page-head .sub { color: var(--text-dim); font-size: 1.06rem; max-width: 620px; margin: 0 auto; }
.page-head .updated {
  display: inline-block; margin-top: 18px;
  font-family: var(--mono); font-size: 0.78rem; color: var(--text-dim);
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 5px 14px; border-radius: 999px;
}

/* ---------- Prose (legal / text pages) ---------- */
.prose { padding: 24px 0 96px; }
.prose h2 {
  font-size: 1.3rem; font-weight: 700; letter-spacing: -0.015em;
  margin: 44px 0 14px; padding-top: 8px;
}
.prose h3 { font-size: 1.05rem; font-weight: 650; margin: 28px 0 10px; }
.prose p { color: var(--text-dim); margin-bottom: 14px; font-size: 0.97rem; }
.prose ul, .prose ol { color: var(--text-dim); margin: 0 0 16px 22px; font-size: 0.97rem; }
.prose li { margin-bottom: 7px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: none; }
.prose a:hover { text-decoration: underline; }
.prose code {
  font-family: var(--mono); font-size: 0.85em;
  background: rgba(96,165,250,0.1); color: var(--blue);
  padding: 2px 7px; border-radius: 5px;
}
.prose .callout {
  background: var(--bg-card); border: 1px solid var(--border-hi);
  border-left: 3px solid var(--accent-dim);
  border-radius: 10px; padding: 18px 22px; margin: 24px 0;
}
.prose .callout p { margin-bottom: 0; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px 26px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--border-hi); }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--border); padding: 44px 0 40px; margin-top: auto; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-inner .logo { font-size: 0.98rem; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); text-decoration: none; font-size: 0.87rem; transition: color .18s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 0.82rem; color: var(--text-dim); opacity: 0.7; }

@media (max-width: 860px) {
  .nav-links a:not(.btn) { display: none; }
}