/* Derpack X — Ishimura site
   Dark industrial sci-fi. System fonts only (no web-font payload), mobile-first,
   one warm amber accent against near-black steel. Fast and readable first. */

:root {
  --bg:        #0a0c0e;
  --bg-alt:    #0e1216;
  --panel:     #12171c;
  --panel-2:   #161c22;
  --line:      #232c34;
  --line-soft: #1a2127;
  --text:      #d6dde3;
  --text-dim:  #8a96a0;
  --accent:    #ffb01f;  /* warning-amber */
  --accent-dim:#a8741a;
  --danger:    #ff4f3a;
  --good:      #3fd07a;
  --mono: ui-monospace, "Cascadia Mono", "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  /* Display: industrial condensed where available, clean system sans otherwise.
     (Deliberately NOT monospace — that font's quirky "k" looked off in the title.) */
  --display: "Bahnschrift", "DIN Alternate", "DIN Condensed", "Oswald", "Roboto Condensed", "Arial Narrow", system-ui, sans-serif;
  --maxw: 960px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* subtle industrial vignette + faint scanlines, very low contrast */
  background-image:
    radial-gradient(120% 80% at 50% -10%, rgba(255,176,31,0.05), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.012) 0 1px, transparent 1px 3px);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #000; padding: .6rem 1rem; font-weight: 700; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---- top bar ---- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .7rem clamp(1rem, 4vw, 2rem);
  background: rgba(10,12,14,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--text); font-family: var(--display); font-weight: 700; letter-spacing: .18em; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); font-size: 1.1rem; }
.nav { display: flex; align-items: center; gap: clamp(.6rem, 2.5vw, 1.4rem); font-size: .82rem; flex-wrap: wrap; }
.nav a { color: var(--text-dim); font-family: var(--display); letter-spacing: .12em; text-transform: uppercase; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav-discord { color: var(--accent) !important; }

/* ---- shared layout ---- */
.section-inner, .footer-inner { max-width: var(--maxw); margin: 0 auto; padding: clamp(2.5rem, 7vw, 4.5rem) clamp(1rem, 4vw, 2rem); }
.panel {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 6px;
  position: relative;
}
/* corner ticks — small machined detail */
.panel::before, .panel::after {
  content: ""; position: absolute; width: 10px; height: 10px; border: 2px solid var(--accent-dim);
}
.panel::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.panel::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* ---- hero ---- */
.hero { padding: clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 2rem) 0; }
.hero-panel { max-width: var(--maxw); margin: 0 auto; padding: clamp(2rem, 6vw, 3.5rem); }
.eyebrow { margin: 0 0 1rem; font-family: var(--display); font-size: .85rem; letter-spacing: .26em; text-transform: uppercase; color: var(--accent); }
.hero-title {
  margin: 0 0 1rem; font-family: var(--display); font-weight: 800; line-height: .92;
  font-size: clamp(3rem, 12vw, 6.5rem); letter-spacing: .04em; text-transform: uppercase;
  text-shadow: 0 0 32px rgba(255,176,31,0.18);
}
.hero-tagline { margin: 0 0 1.8rem; font-size: clamp(1.05rem, 2.4vw, 1.3rem); color: var(--text); max-width: 46ch; }
.hero-tagline strong { color: var(--accent); }

/* ---- status badge ---- */
.status {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--mono); font-size: .85rem; letter-spacing: .04em;
  padding: .5rem .9rem; margin-bottom: 1.8rem;
  background: var(--bg); border: 1px solid var(--line); border-radius: 999px; color: var(--text-dim);
}
.status-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; background: var(--text-dim); }
.status-dot--unknown { background: var(--text-dim); animation: pulse 1.4s ease-in-out infinite; }
.status-dot--online { background: var(--good); box-shadow: 0 0 8px var(--good); }
.status-dot--offline { background: var(--danger); }
@keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .status-dot--unknown { animation: none; } }

/* ---- buttons ---- */
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  font-size: .9rem; padding: .8rem 1.4rem; border-radius: 4px; border: 1px solid transparent; cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--accent); color: #1a1205; border-color: var(--accent); }
.btn--primary:hover { background: #ffc04d; }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--lg { font-size: .95rem; padding: 1rem 1.8rem; }
.btn--small { padding: .45rem .8rem; font-size: .75rem; }

/* ---- sections ---- */
.section { border-top: 1px solid var(--line-soft); }
.section--alt { background: var(--bg-alt); }
.section-title {
  font-family: var(--display); font-size: clamp(1.6rem, 4.5vw, 2.3rem); letter-spacing: .04em;
  text-transform: uppercase; margin: 0 0 1.8rem; display: flex; align-items: baseline; gap: .8rem;
}
.section-num { color: var(--accent); font-size: .75em; opacity: .8; }
.subhead { font-family: var(--display); letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); font-size: .95rem; margin: 2rem 0 .8rem; }

/* ---- steps ---- */
.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 1rem; }
.steps > li {
  counter-increment: step; position: relative;
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent-dim);
  border-radius: 5px; padding: 1.1rem 1.2rem 1.1rem 3.4rem;
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 1rem; top: 1.1rem;
  font-family: var(--mono); font-weight: 800; color: var(--accent); font-size: .95rem;
}
.steps h3 { margin: 0 0 .3rem; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--text-dim); }
.steps p strong, .steps p em { color: var(--text); }

/* copy row */
.copyrow { display: flex; align-items: stretch; gap: .5rem; margin-top: .8rem; flex-wrap: wrap; }
.copyrow-value {
  font-family: var(--mono); font-size: 1rem; color: var(--accent);
  background: var(--bg); border: 1px dashed var(--line); border-radius: 4px;
  padding: .5rem .8rem; user-select: all;
}

/* ---- specs ---- */
.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .8rem; margin: 0; }
.spec { background: var(--panel); border: 1px solid var(--line); border-radius: 5px; padding: 1rem; }
.spec dt { font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; color: var(--text-dim); }
.spec dd { margin: .3rem 0 0; font-family: var(--mono); font-size: 1.15rem; color: var(--text); }

/* ---- lists ---- */
.highlights, .rules { margin: 0; padding-left: 1.1rem; display: grid; gap: .6rem; }
.highlights li strong { color: var(--accent); }
.note { color: var(--text-dim); font-size: .9rem; margin-top: 1.2rem; }

/* ---- category cards (the "kitchen sink" breakdown) ---- */
.lede { font-size: clamp(1.05rem, 2.2vw, 1.2rem); color: var(--text); max-width: 60ch; margin: 0 0 1.4rem; }
.cats { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: .9rem; }
.cat {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent-dim);
  border-radius: 5px; padding: 1rem 1.1rem;
}
.cat h4 { margin: 0 0 .45rem; font-size: 1.05rem; letter-spacing: .01em; }
.cat p { margin: 0; color: var(--text-dim); font-size: .92rem; line-height: 1.55; }
.cat strong { color: var(--text); font-weight: 600; }

/* ---- placeholder (e.g. rules, pending content) ---- */
.placeholder {
  color: var(--text-dim); background: var(--panel);
  border: 1px dashed var(--line); border-radius: 5px; padding: 1.1rem 1.2rem; font-style: italic;
}

.get-inner { text-align: center; }
.get-inner p { max-width: 52ch; margin-inline: auto; }
.get-inner .btn { margin-top: .4rem; }
.btn-version { font-weight: 400; opacity: .85; }

/* ---- recent versions (populated from /api/release) ---- */
.releases { margin-top: 2.4rem; text-align: left; }
.releases .subhead { text-align: left; }
.releases-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.releases-list li {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .3rem .8rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: .6rem .85rem;
}
.rel-ver { font-family: var(--mono); color: var(--accent); font-weight: 700; }
.rel-name { color: var(--text-dim); flex: 1 1 12rem; min-width: 0; }
.rel-date { font-family: var(--mono); color: var(--text-dim); font-size: .8rem; }

/* ---- FAQ ---- */
.faq { display: grid; gap: .6rem; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 5px; padding: 0 1.1rem; }
.faq summary { cursor: pointer; padding: 1rem 0; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "▸"; color: var(--accent); display: inline-block; width: 1.2em; }
.faq details[open] summary::before { content: "▾"; }
.faq details p { margin: 0 0 1rem; color: var(--text-dim); }

/* ---- footer ---- */
.footer { border-top: 1px solid var(--line); background: var(--bg); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem 1.6rem; align-items: center; justify-content: space-between; padding-block: 1.6rem; font-family: var(--mono); font-size: .8rem; color: var(--text-dim); }
.footer a { color: var(--text-dim); }
.footer a:hover { color: var(--accent); }