/* HalfTri — style.css */

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

:root {
  --bg: #f2f4f6;
  --card: #ffffff;
  --text: #0f1b24;
  --text-2: #4d5b66;
  --muted: #7d8a94;
  --border: rgba(15, 27, 36, 0.08);
  --navy: #0f334d;
  --accent: #1f9d6b;
  --accent-soft: rgba(31, 157, 107, 0.12);
  --radius: 20px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1218;
    --card: #131d25;
    --text: #eef3f6;
    --text-2: #b3c0c9;
    --muted: #7f8d97;
    --border: rgba(255, 255, 255, 0.08);
    --accent: #3cc28a;
    --accent-soft: rgba(60, 194, 138, 0.14);
  }
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  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; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 960px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 1.1rem; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; gap: 18px; font-size: 0.95rem; }
.nav-links a { color: var(--text-2); }

/* Hero */
.hero { max-width: 760px; margin: 0 auto; padding: 72px 20px 48px; text-align: center; }
.hero img { width: 128px; height: 128px; border-radius: 28px; box-shadow: 0 18px 40px rgba(15, 51, 77, 0.25); }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.2rem); line-height: 1.1; margin: 28px 0 14px; letter-spacing: -0.02em; }
.hero p { color: var(--text-2); font-size: 1.15rem; max-width: 560px; margin: 0 auto; }
.cta {
  display: inline-block; margin-top: 28px; padding: 14px 26px; border-radius: 14px;
  background: var(--navy); color: #fff; font-weight: 600;
}
.cta:hover { text-decoration: none; opacity: 0.92; }

.features {
  max-width: 960px; margin: 0 auto; padding: 8px 20px 64px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px;
}
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.card .icon {
  width: 44px; height: 44px; border-radius: 50%; background: var(--accent-soft);
  display: grid; place-items: center; font-size: 1.3rem; margin-bottom: 12px;
}
.card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.card p { color: var(--text-2); font-size: 0.95rem; }

/* Legal / subpages */
.page { max-width: 760px; margin: 0 auto; padding: 48px 20px 72px; }
.page h1 { font-size: clamp(2rem, 5vw, 2.6rem); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 6px; }
.updated { color: var(--muted); font-size: 0.95rem; margin-bottom: 20px; }
.lang-switch { display: flex; gap: 8px; margin-bottom: 28px; }
.lang-switch a {
  padding: 6px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--border);
  color: var(--text-2); font-size: 0.9rem;
}
.doc { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(20px, 4vw, 36px); margin-bottom: 24px; }
.doc h2 { font-size: 1.25rem; margin: 28px 0 8px; }
.doc h2:first-child { margin-top: 0; }
.doc h3 { font-size: 1.05rem; margin: 18px 0 6px; }
.doc p, .doc li { color: var(--text-2); }
.doc p + p { margin-top: 10px; }
.doc ul { padding-left: 20px; margin: 8px 0; }
.doc li + li { margin-top: 4px; }
.doc strong { color: var(--text); }

/* Footer */
.footer { border-top: 1px solid var(--border); }
.footer-inner {
  max-width: 960px; margin: 0 auto; padding: 28px 20px 40px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  color: var(--muted); font-size: 0.9rem;
}
.footer-inner nav { display: flex; gap: 16px; }
.footer-inner a { color: var(--text-2); }

@media (max-width: 520px) {
  .nav-links { gap: 12px; font-size: 0.9rem; }
  .hero { padding-top: 48px; }
}