/* ============================================================================
   Phosphor SSH — site vitrine
   Fidèle au design system validé (docs/design-system.md + mockup).
   Vert réservé à l'accent / l'état connecté / le terminal. Interface neutre.
   ============================================================================ */

:root {
  --bg: #0A0A0A;
  --surface: #161616;
  --surface-2: #1d1d1d;
  --border: #262626;
  --text: #E5E5E5;
  --muted: #8A8A8A;
  --green: #22E36B;
  --term-green: #33FF77;
  --error: #FF5555;
  --amber: #F5A623;
  --path: #7fd0ff;
  --violet: #c77dff;

  --ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'SFMono-Regular', 'Cascadia Code', Consolas, monospace;

  --maxw: 1080px;
  --r-card: 14px;
  --r-field: 11px;
  --r-btn: 12px;

  /* signature glow */
  --glow: 0 0 18px -6px rgba(34, 227, 107, .45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(34, 227, 107, .06), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--ui);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  min-height: 100vh;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

a { color: inherit; text-decoration: none; }

/* keyboard focus visible (a11y) */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 6px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--green);
}

/* ============================================================================
   Top navigation
   ============================================================================ */
.nav-top {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 10, .72);
  border-bottom: 1px solid var(--border);
}
.nav-top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -.01em; }
.logo {
  width: 26px; height: 26px; border-radius: 7px;
  border: 1.5px solid var(--green);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); color: var(--green); font-size: 14px; font-weight: 700;
  box-shadow: 0 0 10px -2px rgba(34, 227, 107, .5);
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-size: 14px; transition: color .15s ease; }
.nav-links a:hover { color: var(--text); }
.nav-links .ghost-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 8px 14px;
  border-radius: var(--r-btn);
  color: var(--text);
}
.nav-links .ghost-btn:hover { border-color: rgba(34, 227, 107, .45); }
@media (max-width: 640px) { .nav-links a:not(.ghost-btn) { display: none; } }

/* ============================================================================
   Hero
   ============================================================================ */
.hero { padding: 96px 0 64px; text-align: center; }
.hero .eyebrow { margin-bottom: 20px; }
.hero h1 {
  font-size: clamp(40px, 8vw, 76px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.02;
}
.hero h1 .cursor {
  display: inline-block;
  width: .07em; height: .92em;
  background: var(--green);
  vertical-align: -.06em;
  margin-left: .06em;
  box-shadow: 0 0 14px rgba(34, 227, 107, .7);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero .lede {
  color: var(--muted);
  font-size: 17px;
  max-width: 600px;
  margin: 22px auto 0;
}
.hero .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 15px; font-weight: 600;
  padding: 13px 22px; border-radius: var(--r-btn);
  border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn .ic { font-family: var(--mono); }
.btn-primary {
  background: var(--green); color: #03150b;
  box-shadow: 0 10px 30px -8px rgba(34, 227, 107, .6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -8px rgba(34, 227, 107, .7); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: rgba(34, 227, 107, .45); }

.hero .platforms {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .04em;
}
.hero .platforms b { color: var(--text); font-weight: 500; }

/* palette strip */
.tokens { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 44px; }
.swatch {
  display: flex; align-items: center; gap: 9px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px 12px; font-size: 12px;
}
.swatch .chip { width: 16px; height: 16px; border-radius: 5px; flex: none; }
.swatch .hex { font-family: var(--mono); color: var(--muted); }

/* ============================================================================
   Section scaffolding
   ============================================================================ */
section { padding: 72px 0; }
.section-head { max-width: 620px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 700; letter-spacing: -.02em; margin: 12px 0 10px; }
.section-head p { color: var(--muted); font-size: 15px; }

/* ============================================================================
   Feature grid
   ============================================================================ */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 860px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 22px;
  transition: border-color .2s ease, transform .2s ease;
}
.feature:hover { border-color: rgba(34, 227, 107, .35); transform: translateY(-3px); }
.feature .ic {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 19px; color: var(--green);
  margin-bottom: 16px;
}
.feature h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 14px; }

/* ============================================================================
   Showcase — phone mockups (faithful to the validated mockup)
   ============================================================================ */
.phones { display: flex; flex-wrap: wrap; gap: 44px; justify-content: center; }
.col { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.caption { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: .05em; }

.phone {
  width: 300px; height: 620px; border-radius: 42px;
  background: #000; padding: 11px; border: 1px solid #1f1f1f;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .02) inset;
  position: relative;
}
.screen {
  width: 100%; height: 100%; border-radius: 32px; overflow: hidden;
  background: var(--bg); display: flex; flex-direction: column; position: relative;
}
.notch {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 120px; height: 26px; background: #000; border-radius: 0 0 16px 16px; z-index: 20;
}
.statusbar {
  height: 42px; flex: none; display: flex; align-items: flex-end; justify-content: space-between;
  padding: 0 22px 6px; font-size: 12px; font-weight: 600; color: var(--text);
}
.topbar { padding: 6px 18px 14px; display: flex; align-items: center; justify-content: space-between; }
.s-brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 18px; letter-spacing: -.01em; }
.icon-btn {
  width: 34px; height: 34px; border-radius: 9px; background: var(--surface);
  border: 1px solid var(--border); color: var(--muted);
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.search {
  margin: 0 18px 16px; display: flex; align-items: center; gap: 9px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 11px;
  padding: 10px 13px; color: var(--muted); font-size: 14px;
}
.s-body { flex: 1; overflow: hidden; padding: 0 18px; }
.grouplabel {
  font-family: var(--mono); font-size: 11px; letter-spacing: .15em; text-transform: uppercase;
  color: var(--muted); margin: 6px 2px 10px;
}
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 13px 14px; display: flex; align-items: center; gap: 13px; margin-bottom: 10px;
}
.card.live { border-color: rgba(34, 227, 107, .45); box-shadow: var(--glow); }
.dot { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.meta { flex: 1; min-width: 0; }
.meta .name { font-weight: 600; font-size: 15px; }
.meta .sub { font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pill {
  font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--green); border: 1px solid rgba(34, 227, 107, .4); border-radius: 999px;
  padding: 3px 8px; flex: none;
}
.pill.off { color: var(--muted); border-color: var(--border); }
.fab {
  position: absolute; right: 20px; bottom: 84px; width: 54px; height: 54px; border-radius: 17px;
  background: var(--green); color: #03150b; font-size: 28px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px -6px rgba(34, 227, 107, .6);
}
.s-nav {
  flex: none; height: 64px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-around; padding-bottom: 8px;
  background: rgba(10, 10, 10, .7);
}
.s-nav .item { display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 10px; color: var(--muted); }
.s-nav .item.active { color: var(--green); }
.s-nav .glyph { font-size: 20px; }

/* form screen bits */
.field { margin-bottom: 14px; }
.field label {
  display: block; font-size: 11px; font-family: var(--mono); letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin: 0 2px 6px;
}
.input {
  background: var(--surface); border: 1px solid var(--border); border-radius: 11px;
  padding: 11px 13px; font-size: 14px; color: var(--text); font-family: var(--mono);
}
.input.placeholder { color: var(--muted); }
.row2 { display: flex; gap: 10px; }
.row2 .field { flex: 1; }
.seg { display: flex; background: var(--surface); border: 1px solid var(--border); border-radius: 11px; padding: 4px; gap: 4px; }
.seg span { flex: 1; text-align: center; font-size: 13px; padding: 7px; border-radius: 8px; color: var(--muted); }
.seg span.on { background: var(--surface-2); color: var(--green); border: 1px solid rgba(34, 227, 107, .35); }
.colors { display: flex; gap: 10px; padding: 2px; }
.colors .c { width: 26px; height: 26px; border-radius: 8px; }
.colors .c.sel { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--green); }
.savebtn {
  margin-top: 6px; background: var(--green); color: #03150b; font-weight: 600;
  text-align: center; border-radius: 12px; padding: 13px; font-size: 15px;
  box-shadow: 0 8px 24px -8px rgba(34, 227, 107, .6);
}

/* terminal screen */
.term-head { padding: 8px 16px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); }
.term-head .back { color: var(--muted); font-size: 20px; }
.term-head .t-name { font-weight: 600; font-size: 14px; }
.term-head .t-sub { font-family: var(--mono); font-size: 11px; color: var(--green); }
.term {
  flex: 1; background: #070707; font-family: var(--mono); font-size: 11.5px; line-height: 1.7;
  padding: 14px; color: var(--term-green); overflow: hidden; text-shadow: 0 0 6px rgba(51, 255, 119, .35);
}
.term .dim { color: #1f8f4d; text-shadow: none; }
.term .user { color: var(--term-green); }
.term .path { color: var(--path); text-shadow: none; }
.term .blink-cur {
  display: inline-block; width: 8px; height: 15px; background: var(--term-green);
  vertical-align: -3px; margin-left: 2px; animation: blink 1.1s steps(1) infinite;
  box-shadow: 0 0 8px rgba(51, 255, 119, .7);
}
.keybar { flex: none; display: flex; gap: 6px; padding: 9px 10px; border-top: 1px solid var(--border); background: var(--surface); overflow: hidden; }
.key { font-family: var(--mono); font-size: 12px; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 11px; }
.key.accent { color: var(--green); border-color: rgba(34, 227, 107, .35); }

/* ============================================================================
   Security / local-first band
   ============================================================================ */
.band {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 760px) { .band { grid-template-columns: 1fr; padding: 32px; } }
.band h2 { font-size: 28px; font-weight: 700; letter-spacing: -.02em; margin: 12px 0 14px; }
.band p { color: var(--muted); font-size: 15px; margin-bottom: 12px; }
.band ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.band li { display: flex; gap: 11px; align-items: flex-start; font-size: 14px; }
.band li .tick { color: var(--green); font-family: var(--mono); flex: none; }
.code-card {
  background: #070707; border: 1px solid var(--border); border-radius: 14px;
  padding: 18px; font-family: var(--mono); font-size: 12.5px; line-height: 1.85;
  color: var(--term-green); text-shadow: 0 0 6px rgba(51, 255, 119, .25);
  overflow-x: auto;
}
.code-card .dim { color: #1f8f4d; text-shadow: none; }
.code-card .c-path { color: var(--path); text-shadow: none; }
.code-card .c-key { color: var(--amber); text-shadow: none; }

/* ============================================================================
   Download / platforms
   ============================================================================ */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 760px) { .dl-grid { grid-template-columns: 1fr; } }
.dl {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 24px; text-align: center;
}
.dl .os { font-family: var(--mono); font-size: 28px; color: var(--green); margin-bottom: 12px; }
.dl h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.dl .sub { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-bottom: 18px; }
.dl .status {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted);
}
.dl .status.soon { color: var(--amber); border-color: rgba(245, 166, 35, .4); }

/* ============================================================================
   Footer
   ============================================================================ */
footer { border-top: 1px solid var(--border); padding: 40px 0; margin-top: 40px; }
footer .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer .note { font-family: var(--mono); font-size: 12px; color: var(--muted); }
footer .note .green { color: var(--green); }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}