/* plasmoid landing — layout + components only. All brand COLOUR tokens come from the
 * generated /assets/tokens.css (linked before this file), so the landing shares one
 * palette with the docs chrome. Plasma-gradient-led, Cherenkov-blue anchor. */
:root {
  --maxw: 70rem;   /* landing-specific content width (chrome uses its own) */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body, system-ui, -apple-system, sans-serif);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ---- Header ---- */
header.nav {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: saturate(160%) blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 1rem; height: 3.5rem; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 800; color: var(--fg); font-size: 1.1rem; }
.brand:hover { text-decoration: none; }
.brand img { width: 1.7rem; height: 1.7rem; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { color: var(--fg-muted); font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover { color: var(--fg); text-decoration: none; }
.icon-btn {
  display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem;
  border: 1px solid var(--border); border-radius: 8px; background: transparent;
  color: var(--fg); cursor: pointer; font-size: 1rem;
}
.icon-btn:hover { background: var(--bg-alt); }

/* ---- Language switcher (native <details>, no JS needed to open) ---- */
.lang { position: relative; }
.lang > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 0.35rem;
  height: 2.1rem; padding: 0 0.6rem; border: 1px solid var(--border); border-radius: 8px;
  color: var(--fg); font-weight: 600; font-size: 0.9rem;
}
.lang > summary::-webkit-details-marker { display: none; }
.lang > summary::after { content: "▾"; font-size: 0.7em; color: var(--fg-muted); }
.lang[open] > summary { background: var(--bg-alt); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 0.4rem); z-index: 20;
  display: grid; gap: 0.1rem; min-width: 9rem; padding: 0.3rem;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow);
}
.lang-menu a { display: block; padding: 0.4rem 0.6rem; border-radius: 6px; color: var(--fg); font-size: 0.92rem; }
.lang-menu a:hover { background: var(--bg-alt); text-decoration: none; }
.lang-menu a[aria-current] { color: var(--accent); font-weight: 700; }

/* ---- Hero ---- */
.hero { position: relative; padding: 5.5rem 0 4rem; text-align: center; }
.hero::before {
  content: ""; position: absolute; inset: -10% -20% auto -20%; height: 36rem; z-index: -1;
  background:
    radial-gradient(40rem 22rem at 50% 0%, var(--glow), transparent 70%),
    radial-gradient(24rem 18rem at 78% 18%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 70%);
  pointer-events: none;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  padding: 0.35rem 0.8rem; border-radius: 999px; margin-bottom: 1.6rem;
}
.hero-mark { width: 6rem; height: 6rem; margin: 0 auto 1.4rem; display: block; animation: float 7s ease-in-out infinite;
  filter: drop-shadow(0 0 18px color-mix(in srgb, var(--ramp-4) 42%, transparent)); }
h1 {
  font-size: clamp(2.3rem, 5.5vw, 4rem); line-height: 1.05; letter-spacing: -0.02em;
  margin: 0 auto 1.1rem; max-width: 18ch; font-weight: 800;
}
h1 .grad {
  background: var(--grad-main);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sub { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--fg-muted); max-width: 46rem; margin: 0 auto 2.2rem; }
.cta-row { display: flex; gap: 0.85rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.5rem; border-radius: 10px; font-weight: 700; font-size: 1rem; cursor: pointer;
  border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .2s ease, background .18s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--btn-bg); color: var(--btn-fg); box-shadow: var(--btn-shadow); }
.btn-primary:hover { background: var(--btn-bg-hover); transform: translateY(-1px); box-shadow: var(--btn-shadow-hover); }
.btn-primary:active { background: var(--btn-bg-active); transform: translateY(0); box-shadow: var(--btn-shadow); }
.btn-secondary { border-color: var(--border); color: var(--fg); background: var(--bg-elev); }
.btn-secondary:hover { background: var(--bg-alt); border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-1px); box-shadow: var(--btn-shadow-soft); }
.btn-secondary:active { transform: translateY(0); box-shadow: none; }

/* ---- Terminal ---- */
.terminal {
  max-width: 44rem; margin: 3rem auto 0; text-align: left;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); overflow: hidden;
}
.term-bar { display: flex; align-items: center; gap: 0.45rem; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--border); }
.term-bar i { width: 0.72rem; height: 0.72rem; border-radius: 50%; background: var(--border); }
.term-bar i:nth-child(1) { background: #ff5f57; } .term-bar i:nth-child(2) { background: #febc2e; } .term-bar i:nth-child(3) { background: #28c840; }
.term-bar span { margin-left: auto; color: var(--fg-muted); font-size: 0.8rem; }
.terminal pre {
  margin: 0; padding: 1.1rem 1.2rem; font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.9rem; line-height: 1.7; color: var(--fg); overflow-x: auto;
}
.terminal .c-prompt { color: var(--accent); } .terminal .c-flag { color: var(--accent-2); } .terminal .c-dim { color: var(--fg-muted); }

/* ---- Sections ---- */
section.band { padding: 4.5rem 0; }
.band-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.kicker { text-align: center; color: var(--accent); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.82rem; margin-bottom: 0.6rem; }
h2 { text-align: center; font-size: clamp(1.7rem, 3.5vw, 2.5rem); letter-spacing: -0.01em; margin: 0 auto 0.7rem; max-width: 20ch; }
.lead { text-align: center; color: var(--fg-muted); max-width: 42rem; margin: 0 auto 2.8rem; font-size: 1.08rem; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px; padding: 1.6rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.card .ico {
  display: inline-grid; place-items: center; width: 2.7rem; height: 2.7rem; border-radius: 10px; margin-bottom: 1rem;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent);
}
.card .ico svg { width: 1.4rem; height: 1.4rem; }
.card h3 { margin: 0 0 0.45rem; font-size: 1.2rem; }
.card p { margin: 0; color: var(--fg-muted); }

/* ---- Stats ---- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; text-align: center; }
.stat .n { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1;
           background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .l { color: var(--fg-muted); font-size: 0.92rem; margin-top: 0.4rem; }

/* ---- Final CTA ---- */
.final { text-align: center; }
.final .box {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, var(--bg-elev)), var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border)); border-radius: 18px;
  padding: 3.2rem 1.5rem; box-shadow: var(--shadow);
}

/* ---- Footer ---- */
footer { border-top: 1px solid var(--border); padding: 2.2rem 0; color: var(--fg-muted); font-size: 0.92rem; }
.foot-inner { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.foot-inner .sp { margin-left: auto; display: flex; gap: 1.2rem; }

@media (max-width: 760px) {
  .grid, .stats { grid-template-columns: 1fr 1fr; }
  .nav-links a.hide-sm { display: none; }
}
@media (max-width: 480px) { .grid, .stats { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) {
  .hero-mark, .hero-mark .ring { animation: none; }
  html { scroll-behavior: auto; }
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes spin { to { transform: rotate(360deg); } }