/* ============================================================
   virt-what.com — self-hosted fonts, no external requests
   ============================================================ */

@font-face {
  font-family: "Inter";
  font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/inter-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/inter-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/inter-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/jetbrains-mono-latin-700-normal.woff2") format("woff2");
}

:root {
  --ink:    #0e141b;
  --panel:  #151d26;
  --panel2: #1a2430;
  --line:   #283442;
  --text:   #dce3ea;
  --muted:  #8e9aa7;
  --amber:  #f0a33c;
  --amber-dim: #c9871f;
  --green:  #7cc97f;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Menlo, monospace;
  --sans: "Inter", system-ui, sans-serif;
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  color: var(--amber);
  word-break: break-word;
}

a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  padding: 0.85rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(14, 20, 27, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand {
  font-family: var(--mono); font-weight: 700; font-size: 1.05rem;
  color: var(--text); letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand-prompt, .t-prompt { color: var(--amber); }
.site-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; margin-right: auto; }
.site-nav a {
  font-family: var(--mono); font-size: 0.85rem; color: var(--muted);
  text-transform: lowercase;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); text-decoration: none; }
.site-nav a:hover::before, .site-nav a[aria-current="page"]::before { content: "./"; color: var(--amber); }

.lang-switch {
  display: flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
}
.lang-switch button {
  font-family: var(--mono); font-size: 0.8rem; font-weight: 700;
  background: transparent; color: var(--muted);
  border: 0; padding: 0.35rem 0.7rem; cursor: pointer;
}
.lang-switch button[aria-pressed="true"] { background: var(--amber); color: var(--ink); }
.lang-switch button:not([aria-pressed="true"]):hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3.5rem);
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.eyebrow {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.08em;
  color: var(--amber); text-transform: uppercase; margin: 0 0 0.75rem;
}
.hero h1 {
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 1rem;
}
.lede { color: var(--muted); font-size: 1.05rem; max-width: 36rem; margin: 0; }

/* Terminal (signature element) */
.terminal {
  background: #0a0f14;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  min-width: 0;
}
.terminal-bar {
  display: flex; align-items: center; gap: 0.45rem;
  padding: 0.55rem 0.9rem;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.terminal-bar .dot:first-child { background: #3d4b5c; }
.terminal-title {
  margin-left: auto; font-family: var(--mono);
  font-size: 0.75rem; color: var(--muted);
}
.terminal-body {
  margin: 0; padding: 1.1rem 1.2rem 1.4rem;
  font-family: var(--mono); font-size: 0.95rem; line-height: 1.7;
  color: var(--text); min-height: 9.5rem; white-space: pre-wrap;
}
.t-out { color: var(--green); }
.caret {
  display: inline-block; width: 0.6em; height: 1.15em;
  background: var(--amber); vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Man-page sections ---------- */
.man-section {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line);
}
.man-head {
  font-family: var(--mono); font-weight: 700;
  font-size: 0.95rem; letter-spacing: 0.14em; color: var(--amber);
  margin: 0 0 1.25rem;
}
.man-head:not(:first-child) { margin-top: 2.5rem; }
.man-sub {
  font-family: var(--mono); font-size: 0.95rem; font-weight: 700;
  color: var(--text); margin: 1.8rem 0 0.5rem;
}
.man-name { font-size: 1.05rem; }
.man-body p { max-width: 46rem; }
.man-note { color: var(--muted); font-size: 0.95rem; max-width: 46rem; }
.section-intro { color: var(--muted); max-width: 42rem; margin-top: -0.5rem; }

.fact-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.6rem; margin: 1.5rem 0;
}
.fact {
  display: flex; flex-direction: column; gap: 0.3rem;
  background: var(--panel); border: 1px solid var(--line);
  border-left: 3px solid var(--amber-dim);
  border-radius: 6px; padding: 0.75rem 0.9rem;
}
.fact code { align-self: flex-start; }
.fact span { font-size: 0.88rem; color: var(--muted); line-height: 1.5; }

/* ---------- Project cards ---------- */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1rem; margin-top: 1.75rem;
}
.card {
  display: flex; flex-direction: column; gap: 0.6rem;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 1.1rem 1.2rem 1rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--amber-dim); transform: translateY(-2px); }
.card header { display: flex; align-items: baseline; justify-content: space-between; gap: 0.6rem; }
.card h3 { font-family: var(--mono); font-size: 1.02rem; margin: 0; letter-spacing: -0.01em; }
.tag {
  font-family: var(--mono); font-size: 0.68rem; white-space: nowrap;
  color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 0.12rem 0.55rem;
}
.card p { margin: 0; font-size: 0.92rem; color: var(--muted); flex: 1; }
.card-link { font-family: var(--mono); font-size: 0.8rem; }
.card-link::before { content: "→ "; }

/* ---------- Commands ---------- */
.cmd-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.75rem; }
.cmd {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; overflow: hidden;
}
.cmd pre {
  margin: 0; padding: 0.8rem 1.1rem;
  background: #0a0f14; border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
.cmd pre code {
  background: none; border: 0; padding: 0;
  color: var(--text); font-size: 0.92rem;
}
.cmd pre code::before { content: "$ "; color: var(--amber); }
.cmd p { margin: 0; padding: 0.8rem 1.1rem 0.95rem; font-size: 0.92rem; color: var(--muted); }

/* ---------- Imprint ---------- */
.legal { min-height: 55vh; }
.imprint-block { font-style: normal; line-height: 1.8; max-width: 46rem; }
.legal p { max-width: 46rem; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  max-width: var(--maxw); margin: 0 auto;
  padding: 2rem clamp(1rem, 4vw, 2.5rem) 2.5rem;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 2rem;
  font-family: var(--mono); font-size: 0.85rem; color: var(--muted);
}
.site-footer p { margin: 0; }
.footer-note { flex-basis: 100%; font-family: var(--sans); font-size: 0.82rem; }

/* ---------- Responsive ---------- */
@media (max-width: 840px) {
  .hero { grid-template-columns: 1fr; }
  .terminal { max-width: 560px; }
}
@media (max-width: 560px) {
  .site-header { gap: 0.75rem 1rem; }
  .site-nav { order: 3; flex-basis: 100%; gap: 1rem; }
  .lang-switch { margin-left: auto; }
  .terminal-body { font-size: 0.85rem; }
}