/* Multivoid — dark space/signal theme. No frameworks, no CDNs. */

@font-face {
  font-family: "Fixedsys Excelsior";
  src: url("/fonts/FSEX300.woff2") format("woff2");
  font-display: swap;
}

/* Cascadia Code Bold from the mod's own assets (latin subset) -- section headers. */
@font-face {
  font-family: "Cascadia Site";
  src: url("/fonts/CascadiaCode-Bold-latin.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #07090c;
  --bg-raise: #0c1016;
  --line: #1b232e;
  --text: #c7d3dc;
  --text-dim: #6d7d8c;
  --accent: #38e8c6;      /* signal green-cyan */
  --accent-dim: #1d8a76;
  --amber: #ffb454;       /* secondary */
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "SF Mono", monospace;
  --pixel: "Fixedsys Excelsior", "Cascadia Code", Consolas, monospace; /* the VOTV terminal font */
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, 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: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent-dim); color: #fff; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem clamp(1rem, 4vw, 3rem);
  background: rgba(7, 9, 12, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-brand {
  font-family: var(--pixel); font-weight: 700; letter-spacing: 0.14em;
  color: var(--text); text-decoration: none; font-size: 0.95rem;
}
.brand-mark { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: clamp(0.45rem, 1.4vw, 0.8rem); }
.nav-links a {
  position: relative;
  color: var(--text); text-decoration: none; font-size: 0.88rem;
  font-family: var(--mono); letter-spacing: 0.03em;
  border: 1px solid var(--accent-dim);
  background: rgba(56, 232, 198, 0.03);
  box-shadow: 0 0 8px rgba(56, 232, 198, 0.05);
  padding: 0.34rem 0.9rem;
  transition: color 0.15s, border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
/* sci-fi corner brackets */
.nav-links a::before, .nav-links a::after {
  content: ""; position: absolute; width: 7px; height: 7px;
  border: 1px solid var(--accent-dim);
  transition: border-color 0.15s, width 0.15s, height 0.15s;
}
.nav-links a::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.nav-links a::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.nav-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(56, 232, 198, 0.07);
  box-shadow: 0 0 14px rgba(56, 232, 198, 0.22);
}
.nav-links a:hover::before, .nav-links a:hover::after {
  border-color: var(--accent); width: 10px; height: 10px;
}
.nav-cta {
  color: var(--accent) !important;
  border-color: var(--accent-dim) !important;
  background: rgba(56, 232, 198, 0.05) !important;
}
.nav-cta:hover { background: rgba(56, 232, 198, 0.12) !important; }
.nav-gh { display: inline-flex; align-items: center; padding: 0.44rem 0.62rem !important; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: 82vh;
  display: grid; place-items: center;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.stars, .stars::before, .stars::after {
  content: ""; position: absolute; inset: -50%;
  background-image:
    radial-gradient(1px 1px at 12% 24%, #ffffff88 50%, transparent 51%),
    radial-gradient(1px 1px at 34% 68%, #ffffff55 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 56% 12%, #ffffff77 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 44%, #ffffff44 50%, transparent 51%),
    radial-gradient(1px 1px at 88% 76%, #ffffff66 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 22% 88%, #ffffff55 50%, transparent 51%),
    radial-gradient(1px 1px at 66% 92%, #ffffff44 50%, transparent 51%),
    radial-gradient(1px 1px at 44% 38%, #ffffff33 50%, transparent 51%);
  background-size: 620px 620px;
  animation: drift 160s linear infinite;
  pointer-events: none;
}
.stars::before { background-size: 420px 420px; opacity: 0.6; animation-duration: 110s; }
.stars::after  { background-size: 900px 900px; opacity: 0.4; animation-duration: 220s; animation-direction: reverse; }
@keyframes drift { to { transform: translate3d(310px, -180px, 0); } }

.hero-inner { position: relative; padding: 4rem 1.5rem; max-width: 780px; }
.hero-signal {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.18em;
  color: var(--accent); opacity: 0.9; margin-bottom: 1.2rem;
}
.hero h1 {
  font-family: var(--pixel); font-size: clamp(2.6rem, 9vw, 5.2rem);
  font-weight: 800; letter-spacing: 0.06em; line-height: 1.05;
  color: #eaf2f7;
  text-shadow: 0 0 32px rgba(56, 232, 198, 0.25);
}
.hero h1 .accent { color: var(--accent); }
.hero-sub { margin: 1.4rem 0 2rem; font-size: clamp(1rem, 2.4vw, 1.25rem); color: var(--text); }
.hero-meta { margin-top: 2rem; font-family: var(--mono); font-size: 0.75rem; color: var(--text-dim); letter-spacing: 0.06em; }

.hero-buttons { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none;
  font-family: var(--mono); font-size: 0.92rem; letter-spacing: 0.04em;
  padding: 0.72rem 1.7rem;
  transition: transform 0.12s, box-shadow 0.2s, background 0.15s, border-color 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent); color: #04110d; font-weight: 700;
  border: 1px solid var(--accent);
  box-shadow: 0 0 22px rgba(56, 232, 198, 0.28);
}
.btn-primary:hover { box-shadow: 0 0 34px rgba(56, 232, 198, 0.5); }
.btn-ghost {
  color: var(--text); border: 1px solid var(--accent-dim);
  background: rgba(56, 232, 198, 0.03);
  box-shadow: 0 0 10px rgba(56, 232, 198, 0.06), inset 0 0 10px rgba(56, 232, 198, 0.04);
}
.btn-ghost:hover {
  border-color: var(--accent); color: var(--accent);
  box-shadow: 0 0 18px rgba(56, 232, 198, 0.22), inset 0 0 14px rgba(56, 232, 198, 0.07);
}

/* ---------- sections ---------- */
.section {
  max-width: 1060px; margin: 0 auto;
  padding: clamp(3rem, 8vw, 5.5rem) clamp(1rem, 4vw, 2rem);
}
.section h2 {
  font-family: "Cascadia Site", var(--mono); font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  letter-spacing: 0.05em; margin-bottom: 1.6rem; color: #eaf2f7;
}
.section-num { color: var(--accent-dim); margin-right: 0.55rem; font-weight: 400; }
.section-sub { color: var(--text-dim); margin: -1rem 0 1.6rem; font-size: 0.95rem; }

.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.6rem; }
.about-grid p { color: var(--text); }
.about-grid strong { color: var(--amber); font-weight: 600; }

/* ---------- feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.card {
  border: 1px solid var(--line); border-radius: 7px;
  padding: 1.3rem 1.4rem; background: var(--bg-raise);
  transition: border-color 0.2s, transform 0.15s;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.card h3 {
  font-family: var(--mono); font-size: 1rem; letter-spacing: 0.03em;
  color: var(--accent); margin-bottom: 0.5rem;
}
.card p { font-size: 0.92rem; color: var(--text-dim); }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 0.9rem; }
.shot {
  position: relative; display: block; width: 100%;
  border: 1px solid var(--line); border-radius: 7px; overflow: hidden;
  background: var(--bg-raise); padding: 0; cursor: zoom-in;
  transition: border-color 0.2s, transform 0.15s;
}
.shot:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.shot img { display: block; width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; }
.shot-caption {
  position: absolute; inset: auto 0 0 0;
  padding: 1.6rem 0.8rem 0.55rem;
  background: linear-gradient(transparent, rgba(4, 6, 9, 0.92));
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.05em;
  color: var(--text); text-align: left;
  opacity: 0; transition: opacity 0.18s;
}
.shot:hover .shot-caption, .shot:focus-visible .shot-caption { opacity: 1; }

/* ---------- lightbox ---------- */
.lightbox {
  border: none; padding: 0; background: transparent;
  max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh;
  display: none; place-items: center;
}
.lightbox[open] { display: grid; }
.lightbox::backdrop { background: rgba(3, 4, 6, 0.93); backdrop-filter: blur(4px); }
.lightbox img {
  max-width: min(92vw, 1500px); max-height: 84vh;
  border: 1px solid var(--line); border-radius: 6px;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.8);
}
.lb-caption {
  position: fixed; bottom: 3vh; left: 0; right: 0; text-align: center;
  font-family: var(--mono); font-size: 0.85rem; color: var(--text);
  letter-spacing: 0.05em;
}
.lb-close, .lb-nav {
  position: fixed; z-index: 5;
  background: rgba(12, 16, 22, 0.7); color: var(--text);
  border: 1px solid var(--line); border-radius: 6px;
  font-size: 1.6rem; line-height: 1; padding: 0.45rem 0.85rem;
  cursor: pointer; transition: color 0.15s, border-color 0.15s;
  font-family: var(--sans);
}
.lb-close:hover, .lb-nav:hover { color: var(--accent); border-color: var(--accent-dim); }
.lb-close { top: 2.5vh; right: 2.5vw; }
.lb-prev { left: 2vw; top: 50%; transform: translateY(-50%); }
.lb-next { right: 2vw; top: 50%; transform: translateY(-50%); }

/* ---------- Q&A ---------- */
.qa {
  border: 1px solid var(--line); border-radius: 7px;
  background: var(--bg-raise); margin-bottom: 0.7rem;
  overflow: hidden;
}
.qa summary {
  cursor: pointer; padding: 0.95rem 1.2rem;
  font-family: var(--mono); font-size: 0.95rem; color: var(--text);
  list-style: none; position: relative; padding-right: 2.6rem;
  transition: color 0.15s;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: "+"; position: absolute; right: 1.2rem; top: 50%;
  transform: translateY(-50%); color: var(--accent); font-size: 1.15rem;
}
.qa[open] summary { color: var(--accent); }
.qa[open] summary::after { content: "–"; }
.qa summary:hover { color: var(--accent); }
.qa p { padding: 0 1.2rem 1.1rem; color: var(--text-dim); font-size: 0.93rem; }
.qa code { font-family: var(--mono); color: var(--amber); font-size: 0.86em; }
.qa em { color: var(--text); }

/* ---------- download ---------- */
.section-download { text-align: center; }
.download-box {
  border: 1px solid var(--line); border-radius: 9px;
  background: linear-gradient(180deg, var(--bg-raise), rgba(56, 232, 198, 0.03));
  padding: clamp(1.6rem, 5vw, 2.8rem);
  max-width: 640px; margin: 0 auto;
}
.dl-status {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.1em;
  color: var(--accent); margin-bottom: 1rem; text-transform: uppercase;
}
.dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); margin-right: 0.45rem;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.35; } }
.download-box > p { margin-bottom: 1.4rem; color: var(--text); }
.dl-note { margin-top: 1.4rem; font-size: 0.82rem; color: var(--text-dim); }
.mono { font-family: var(--mono); color: var(--amber); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); margin-top: 2rem; }
.footer-inner {
  max-width: 1060px; margin: 0 auto;
  padding: 2.4rem clamp(1rem, 4vw, 2rem);
  font-size: 0.85rem; color: var(--text-dim); text-align: center;
}
.footer-brand { font-family: var(--mono); letter-spacing: 0.14em; color: var(--text); margin-bottom: 0.6rem; }
.footer em { color: var(--text); }
.footer-links { margin-top: 0.8rem; }
.footer-links a { color: var(--text-dim); }
.footer-links a:hover { color: var(--accent); }

/* ---------- small screens ---------- */
@media (max-width: 760px) {
  .nav { flex-wrap: wrap; gap: 0.5rem; justify-content: center; padding: 0.6rem 0.75rem; }
  .nav-links { flex-wrap: wrap; justify-content: center; gap: 0.4rem; }
  .nav-links a { font-size: 0.8rem; padding: 0.28rem 0.6rem; }
  .hero { min-height: 70vh; }
}

@media (prefers-reduced-motion: reduce) {
  .stars, .stars::before, .stars::after, .dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---- Demo (click-to-play video facade) ---- */
.demo-embed {
  position: relative; width: 100%; aspect-ratio: 16/9;
  border: 1px solid var(--line); border-radius: 7px; overflow: hidden;
  background: var(--bg-raise);
}
.demo-embed iframe { display: block; width: 100%; height: 100%; border: 0; }
.demo-play {
  display: block; width: 100%; height: 100%; padding: 0; border: 0;
  cursor: pointer; background: none; position: relative;
}
.demo-play img { display: block; width: 100%; height: 100%; object-fit: cover; }
.demo-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  padding: 0.7rem 1.6rem;
  border: 1px solid var(--accent-dim); border-radius: 4px;
  background: rgba(4, 6, 9, 0.78);
  font-family: var(--mono); font-size: 0.9rem; letter-spacing: 0.14em;
  color: var(--accent); transition: border-color 0.2s, box-shadow 0.2s;
}
.demo-play:hover .demo-btn {
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(122, 220, 180, 0.25);
}