/* ════════════════════════════════════════════════════════════════════════
   NORTHSTRIKE — shared styles for the info pages
   (about.html, contact.html, privacy.html, terms.html)
   ════════════════════════════════════════════════════════════════════════ */

:root.night {
  --bg: #06090C; --bg-soft: #0D1218; --bg-card: rgba(20,25,32,0.5);
  --ink-1: #F4F2EC; --ink-2: #A9ADB3; --ink-3: #6B7079; --ink-4: #3F444B;
  --accent: #7FE3C4; --line: rgba(255,255,255,0.08);
  --grid-line: rgba(255,255,255,0.025); --vignette: rgba(6,9,12,0.85);
}
:root.day {
  --bg: #EDE6D6; --bg-soft: #E2D9C5; --bg-card: rgba(232,224,207,0.6);
  --ink-1: #1A1F1B; --ink-2: #4A4E48; --ink-3: #6F7268; --ink-4: #A8A498;
  --accent: #2D5F4E; --line: rgba(26,31,27,0.10);
  --grid-line: rgba(26,31,27,0.05); --vignette: rgba(237,230,214,0.5);
}

*, *::before, *::after { box-sizing: border-box; }
html, body {
  background: var(--bg); margin: 0;
  transition: background 1.4s cubic-bezier(0.2,0.8,0.2,1);
  overflow-x: hidden;
}
body { font-family: 'Inter', sans-serif; color: var(--ink-1); -webkit-font-smoothing: antialiased; }
::selection { background: var(--accent); color: var(--bg); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── OVERLAYS ── */
.grid-overlay {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 20%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 20%, transparent 85%);
}
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 30%, var(--vignette) 100%);
}

@keyframes scan {
  0%   { transform: translateY(-10vh); opacity: 0; }
  10%  { opacity: 0.3; } 90% { opacity: 0.3; }
  100% { transform: translateY(110vh); opacity: 0; }
}
.scan-line {
  position: fixed; left: 0; right: 0; z-index: 2; pointer-events: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scan 24s linear infinite;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding: 20px 40px; display: flex; justify-content: space-between; align-items: center;
  background: transparent;
  opacity: 0; transform: translateY(-10px);
  transition: opacity 1s ease, transform 1s ease;
}
nav.in { opacity: 1; transform: translateY(0); }
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink-1); font-weight: 500; font-size: 14px; letter-spacing: -0.02em; text-decoration: none; }
.logo:hover { text-decoration: none; }
@keyframes slow-rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.cipher-mark { animation: slow-rotate 60s linear infinite; color: var(--accent); }
.footer-link-muted { color: var(--ink-4); }
.back { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-3); text-decoration: none; transition: color 0.3s; }
.back:hover { color: var(--accent); text-decoration: none; }

/* ── CONTENT ── */
.page-wrap { position: relative; z-index: 10; }
main { max-width: 680px; margin: 0 auto; padding: 130px 24px 80px; }

.label {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: 0.4em; text-transform: uppercase; color: var(--accent); margin-bottom: 24px;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}
.label.in { opacity: 1; transform: translateY(0); }

h1 {
  font-weight: 200; font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.03em; line-height: 1.1; margin: 0 0 12px;
  opacity: 0; transform: translateY(20px);
  transition: opacity 1s ease 0.4s, transform 1s ease 0.4s;
}
h1.in { opacity: 1; transform: translateY(0); }

/* Used on privacy.html / terms.html only — harmless no-op elsewhere */
.updated {
  font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-4);
  letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 56px;
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.8s ease 0.6s, transform 0.8s ease 0.6s;
}
.updated.in { opacity: 1; transform: translateY(0); }

.content-body {
  opacity: 0; transform: translateY(20px);
  transition: opacity 1s ease 0.8s, transform 1s ease 0.8s;
}
.content-body.in { opacity: 1; transform: translateY(0); }

.divider { border: none; border-top: 1px solid var(--line); margin: 40px 0; }

/* Used on contact.html only — harmless no-op elsewhere */
.contact-socials { display: flex; flex-wrap: wrap; gap: 24px; }
.contact-social {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ink-2); font-size: 14px; font-weight: 300;
}
.contact-social:hover { color: var(--accent); }

h2 {
  font-weight: 400; font-size: 13px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-3); margin: 40px 0 16px; font-family: 'JetBrains Mono', monospace;
}
p { font-size: 15px; line-height: 1.8; color: var(--ink-2); margin: 0 0 16px; font-weight: 300; }
ul { padding-left: 20px; margin: 0 0 16px; }
li { font-size: 15px; line-height: 1.8; color: var(--ink-2); font-weight: 300; margin-bottom: 6px; }
.data-label { color: var(--ink-1); font-weight: 400; }

footer {
  position: relative; z-index: 10;
  text-align: center; padding: 40px 24px;
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: 0.25em; text-transform: uppercase; color: var(--ink-4);
}

@media (max-width: 600px) {
  nav { padding: 16px 20px; }
  main { padding: 110px 20px 60px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}