/* ============================================================
   Tronax — site styles
   Dark-first electric aesthetic with a glowing wordmark.
   Theme is driven by prefers-color-scheme and overridable via
   the [data-theme] attribute on <html>.
   ============================================================ */

/* ---------- Fonts (self-hosted, woff2) ---------- */
@font-face {
  font-family: 'Chakra Petch';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('/static/fonts/chakra-petch-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Chakra Petch';
  font-style: normal; font-weight: 700; font-display: swap;
  src: url('/static/fonts/chakra-petch-latin-700-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Sora';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('/static/fonts/sora-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Sora';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('/static/fonts/sora-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Sora';
  font-style: normal; font-weight: 700; font-display: swap;
  src: url('/static/fonts/sora-latin-700-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('/static/fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal; font-weight: 500; font-display: swap;
  src: url('/static/fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2');
}

/* ---------- Theme tokens ---------- */
:root {
  --accent: #22d3ee;            /* overridden inline from config */
  --font-display: 'Chakra Petch', system-ui, sans-serif;
  --font-body: 'Sora', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --radius: 14px;
  --maxw: 720px;
}

/* Dark theme (default + explicit) */
:root,
:root[data-theme='dark'] {
  color-scheme: dark;
  --bg:        #05070b;
  --bg-2:      #080c13;
  --grid:      rgba(120, 160, 200, 0.05);
  --surface:   rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border:    rgba(255, 255, 255, 0.10);
  --border-hi: rgba(255, 255, 255, 0.20);
  --text:      #e8eef7;
  --text-dim:  #8896ac;
  --wordmark:  #f2f6fc;
  --glow-1:    color-mix(in srgb, var(--accent) 90%, transparent);
  --glow-2:    color-mix(in srgb, var(--accent) 55%, transparent);
  --halo:      color-mix(in srgb, var(--accent) 22%, transparent);
  --shadow:    0 18px 50px -20px rgba(0,0,0,0.8);
}

/* Light theme */
:root[data-theme='light'] {
  color-scheme: light;
  --bg:        #eceff5;
  --bg-2:      #f6f8fc;
  --grid:      rgba(20, 40, 80, 0.05);
  --surface:   rgba(12, 22, 44, 0.035);
  --surface-2: rgba(12, 22, 44, 0.06);
  --border:    rgba(12, 22, 44, 0.12);
  --border-hi: rgba(12, 22, 44, 0.28);
  --text:      #121a28;
  --text-dim:  #57637b;
  --wordmark:  #0d1422;
  --glow-1:    color-mix(in srgb, var(--accent) 55%, transparent);
  --glow-2:    color-mix(in srgb, var(--accent) 30%, transparent);
  --halo:      color-mix(in srgb, var(--accent) 16%, transparent);
  --shadow:    0 18px 44px -22px rgba(20,40,80,0.35);
}

/* Follow the OS when no explicit choice is stored */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg:        #eceff5;
    --bg-2:      #f6f8fc;
    --grid:      rgba(20, 40, 80, 0.05);
    --surface:   rgba(12, 22, 44, 0.035);
    --surface-2: rgba(12, 22, 44, 0.06);
    --border:    rgba(12, 22, 44, 0.12);
    --border-hi: rgba(12, 22, 44, 0.28);
    --text:      #121a28;
    --text-dim:  #57637b;
    --wordmark:  #0d1422;
    --glow-1:    color-mix(in srgb, var(--accent) 55%, transparent);
    --glow-2:    color-mix(in srgb, var(--accent) 30%, transparent);
    --halo:      color-mix(in srgb, var(--accent) 16%, transparent);
    --shadow:    0 18px 44px -22px rgba(20,40,80,0.35);
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .4s ease, color .4s ease;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--halo); }

/* Atmospheric background: layered radial glow + faint grid */
.bg {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 18%, var(--halo) 0%, transparent 55%),
    radial-gradient(80% 60% at 50% 120%, color-mix(in srgb, var(--accent) 10%, transparent) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
}
.bg::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 35%, #000 0%, transparent 75%);
          mask-image: radial-gradient(120% 90% at 50% 35%, #000 0%, transparent 75%);
}

/* ---------- Layout ---------- */
main {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 48px 20px;
}
.hero {
  width: 100%;
  max-width: var(--maxw);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

/* ---------- Wordmark with glow ---------- */
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 16vw, 8.5rem);
  line-height: 0.95;
  letter-spacing: 0.06em;
  margin: 0;
  color: var(--wordmark);
  text-shadow:
    0 0 8px var(--glow-1),
    0 0 26px var(--glow-2),
    0 0 60px var(--glow-2);
  animation: breathe 5.5s ease-in-out infinite;
}
.wordmark .dot { color: var(--accent); text-shadow: 0 0 18px var(--glow-1); }

@keyframes breathe {
  0%, 100% { text-shadow: 0 0 8px var(--glow-1), 0 0 24px var(--glow-2), 0 0 50px var(--glow-2); }
  50%      { text-shadow: 0 0 12px var(--glow-1), 0 0 34px var(--glow-2), 0 0 78px var(--glow-2); }
}

.tagline {
  margin: -10px 0 0;
  font-size: clamp(0.95rem, 2.6vw, 1.15rem);
  color: var(--text-dim);
  font-weight: 400;
  max-width: 48ch;
  letter-spacing: 0.01em;
}

/* ---------- Social row ---------- */
.socials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 4px;
}
.social {
  --size: 54px;
  width: var(--size); height: var(--size);
  display: grid; place-items: center;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: transform .22s cubic-bezier(.2,.7,.3,1),
              border-color .22s ease, color .22s ease,
              background-color .22s ease, box-shadow .22s ease;
}
/* Button-element socials (copy-buttons, PGP badge) inherit .social fully */
button.social { font: inherit; padding: 0; }
.social .ico {
  width: 22px; height: 22px;
  background-color: currentColor;
  -webkit-mask-position: center; mask-position: center;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-size: contain; mask-size: contain;
}
.social:hover, .social:focus-visible {
  transform: translateY(-4px);
  color: var(--accent);
  border-color: var(--border-hi);
  background: var(--surface-2);
  box-shadow: 0 10px 30px -12px var(--glow-2), 0 0 0 1px var(--halo) inset;
  outline: none;
}

/* PGP pill (standalone fallback when no email social exists) */
.pgp-btn {
  display: inline-flex; align-items: center; gap: 9px;
  height: 54px; padding: 0 20px;
  border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim); font-family: var(--font-mono);
  font-size: .9rem; font-weight: 500; letter-spacing: .04em;
  cursor: pointer;
  transition: transform .22s cubic-bezier(.2,.7,.3,1),
              border-color .22s ease, color .22s ease,
              background-color .22s ease, box-shadow .22s ease;
}
.pgp-btn .ico {
  width: 20px; height: 20px; background-color: currentColor;
  -webkit-mask: url('/static/icons/pgp.svg') center / contain no-repeat;
          mask: url('/static/icons/pgp.svg') center / contain no-repeat;
}
.pgp-btn:hover, .pgp-btn:focus-visible {
  transform: translateY(-4px); color: var(--accent);
  border-color: var(--border-hi); background: var(--surface-2);
  box-shadow: 0 10px 30px -12px var(--glow-2), 0 0 0 1px var(--halo) inset;
  outline: none;
}

/* Email + PGP grouped pair */
.social-group {
  display: flex;
}
.social-group > .social:first-child {
  border-radius: var(--radius) 0 0 var(--radius);
  border-right: none;
}
.social-group > .pgp-badge {
  width: 42px;
  border-radius: 0 var(--radius) var(--radius) 0;
  border-left: 1px solid var(--border);
}
.social-group > .pgp-badge .ico { width: 18px; height: 18px; }
.social-group:hover > .social,
.social-group:hover > .pgp-badge {
  border-color: var(--border-hi);
}
.social-group {
  transition: transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s ease;
  border-radius: var(--radius);
}
.social-group:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -12px var(--glow-2);
}
/* Suppress individual lift inside the group */
.social-group > .social:hover,
.social-group > .pgp-badge:hover { transform: none; box-shadow: none; }
.social-group > .pgp-badge:hover { color: var(--accent); }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  position: fixed; top: 18px; right: 18px; z-index: 20;
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim);
  backdrop-filter: blur(6px);
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--border-hi); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .moon { display: none; }
:root[data-theme='dark'] .theme-toggle .moon,
:root:not([data-theme]) .theme-toggle .moon { display: block; }
:root[data-theme='dark'] .theme-toggle .sun,
:root:not([data-theme]) .theme-toggle .sun { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .theme-toggle .moon { display: none; }
  :root:not([data-theme]) .theme-toggle .sun  { display: block; }
}
:root[data-theme='light'] .theme-toggle .sun  { display: block; }
:root[data-theme='light'] .theme-toggle .moon { display: none; }

/* ---------- Footer ---------- */
.foot {
  position: fixed; bottom: 16px; left: 0; right: 0;
  text-align: center; font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-dim); opacity: .6;
  font-family: var(--font-mono);
}
.foot a:hover { color: var(--accent); }

/* ---------- PGP modal ---------- */
.modal {
  position: fixed; inset: 0; z-index: 50;
  display: none; place-items: center; padding: 20px;
  background: color-mix(in srgb, #000 55%, transparent);
  backdrop-filter: blur(4px);
}
.modal[open], .modal.show { display: grid; }
.modal-card {
  width: 100%; max-width: 460px;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 18px; padding: 26px;
  box-shadow: var(--shadow);
  animation: pop .2s ease;
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-card h2 {
  font-family: var(--font-display); font-weight: 600;
  margin: 0 0 4px; letter-spacing: .04em; font-size: 1.2rem;
}
.modal-card h2 .pgp-for {
  font-family: var(--font-mono); font-weight: 400;
  font-size: .88rem; color: var(--accent); letter-spacing: 0;
}
.modal-card p { margin: 0 0 16px; color: var(--text-dim); font-size: .9rem; }
.fingerprint {
  font-family: var(--font-mono); font-size: .82rem; line-height: 1.6;
  word-break: break-all; padding: 12px 14px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text);
}
.modal-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

/* ---------- Buttons (shared) ---------- */
.btn {
  font-family: var(--font-body); font-size: .9rem; font-weight: 600;
  padding: 10px 16px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text);
  transition: border-color .18s ease, background-color .18s ease, transform .12s ease;
}
.btn:hover { border-color: var(--border-hi); background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn-accent {
  border-color: transparent;
  background: var(--accent);
  color: #04121a;
}
.btn-accent:hover { filter: brightness(1.08); background: var(--accent); }

/* ---------- Toast (copy feedback) ---------- */
.toast {
  position: fixed; left: 50%; bottom: 60px; transform: translateX(-50%);
  z-index: 60; padding: 10px 18px; border-radius: 10px;
  font-size: .85rem; font-weight: 600;
  background: var(--bg-2); border: 1px solid var(--accent);
  color: var(--text); box-shadow: 0 10px 30px -10px var(--glow-2);
  animation: pop .2s ease;
  font-family: var(--font-mono); letter-spacing: .02em;
}

/* ---------- Entrance animation ---------- */
.reveal { opacity: 0; transform: translateY(14px); animation: fadeup .7s ease forwards; }
@keyframes fadeup { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}
