/* Thyrion website. Palette = the app's default "Thyrion" theme
   (Tailwind slate / sky / emerald / cyan), fonts = the app's own. */

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #020617;
  --bg-2: #0b1222;
  --surface: #0f172a;
  --surface-2: #1e293b;
  --border: #1e293b;
  --border-2: #334155;
  --text: #e2e8f0;
  --text-strong: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-ink: #082f49;
  --green: #10b981;
  --green-text: #34d399;
  --cyan: #06b6d4;
  --rose: #fb7185;
  --amber: #fbbf24;

  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius: 12px;
  --radius-sm: 8px;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 32px);
  --shadow: 0 30px 80px -30px rgb(0 0 0 / 0.8), 0 0 0 1px rgb(148 163 184 / 0.12);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #7dd3fc; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
code, kbd, pre { font-family: var(--mono); font-size: 0.9em; }
:not(pre) > code {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  color: var(--text-strong);
  overflow-wrap: anywhere;
}
h1, h2, h3 { color: var(--text-strong); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); font-weight: 750; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 760px; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--accent); color: var(--accent-ink); padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* ── header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgb(2 6 23 / 0.78);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid rgb(148 163 184 / 0.1);
}
.nav { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text-strong); text-decoration: none; font-weight: 700; letter-spacing: 0.08em; font-size: 0.95rem; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.brand:hover { color: var(--text-strong); }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; list-style: none; padding: 0; margin-block: 0; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.93rem; font-weight: 500; padding: 8px 12px; border-radius: var(--radius-sm); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text-strong); background: var(--surface-2); }
.nav-links .btn { margin-left: 8px; }
.nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: var(--accent-ink); }
.nav-links a.btn-primary { background: var(--accent); }
.nav-links a.btn-primary:hover { background: #7dd3fc; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--border-2); color: var(--text); border-radius: var(--radius-sm); width: 42px; height: 38px; cursor: pointer; }
.nav-toggle svg { margin: auto; }

@media (max-width: 860px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px var(--gutter) 20px; background: var(--bg); border-bottom: 1px solid var(--border-2);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; }
  .nav-links .btn { margin: 8px 0 0; justify-content: center; }
}

/* ── buttons ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: inherit; font-weight: 600; font-size: 0.97rem; line-height: 1.2;
  padding: 12px 20px; border-radius: 10px; border: 1px solid transparent;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .15s, border-color .15s, color .15s, transform .15s;
}
.btn svg { flex: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #7dd3fc; color: var(--accent-ink); }
.btn-ghost { background: rgb(30 41 59 / 0.6); color: var(--text-strong); border-color: var(--border-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text-strong); border-color: #475569; }
.btn-sm { padding: 8px 14px; font-size: 0.9rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 15px 24px; font-size: 1.03rem; }
@media (prefers-reduced-motion: no-preference) { .btn:active { transform: translateY(1px); } }

/* ── hero ───────────────────────────────────────────────────────────── */
.hero { position: relative; padding: clamp(56px, 9vw, 104px) 0 0; overflow: hidden; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto; height: 760px; z-index: -1;
  background:
    radial-gradient(600px 340px at 22% 18%, rgb(14 165 233 / 0.18), transparent 70%),
    radial-gradient(520px 320px at 82% 8%, rgb(16 185 129 / 0.12), transparent 70%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.35;
  background-image: linear-gradient(rgb(148 163 184 / 0.07) 1px, transparent 1px), linear-gradient(90deg, rgb(148 163 184 / 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 20%, #000 30%, transparent 75%);
}
.hero-copy { text-align: center; max-width: 860px; margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center;
  font-family: var(--mono); font-size: 0.82rem; color: var(--muted);
  border: 1px solid var(--border-2); background: rgb(15 23 42 / 0.7);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 26px; text-decoration: none;
}
a.eyebrow:hover { color: var(--text-strong); border-color: #475569; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgb(16 185 129 / 0.2); }
.hero h1 .prompt { color: var(--cyan); font-family: var(--mono); font-weight: 600; letter-spacing: -0.06em; margin-right: 0.15em; }
.hero h1 .cursor {
  display: inline-block; width: 0.5em; height: 0.12em; background: var(--green);
  vertical-align: baseline; margin-left: 0.08em; border-radius: 2px;
}
@media (prefers-reduced-motion: no-preference) { .hero h1 .cursor { animation: blink 1.1s steps(1) infinite; } }
@keyframes blink { 50% { opacity: 0; } }
.lede { font-size: clamp(1.08rem, 1.9vw, 1.28rem); color: #cbd5e1; max-width: 690px; margin: 0 auto 34px; }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 16px; font-size: 0.88rem; color: var(--muted); }
.cta-note a { color: var(--muted); }

.hero-shot { margin: clamp(48px, 7vw, 80px) auto 0; max-width: 1240px; padding: 0 var(--gutter); }

/* Screenshot "window" frame */
.window {
  border-radius: var(--radius); overflow: hidden; background: var(--surface);
  box-shadow: var(--shadow);
}
.window-bar { display: flex; align-items: center; gap: 7px; height: 34px; padding: 0 14px; background: #0b1222; border-bottom: 1px solid var(--border); }
.window-bar span { width: 11px; height: 11px; border-radius: 50%; background: #334155; }
.window-bar em { margin-left: auto; margin-right: auto; font-style: normal; font-family: var(--mono); font-size: 0.75rem; color: var(--muted); transform: translateX(-24px); }
.window picture, .window video { display: block; width: 100%; }
.hero-shot .window { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
.hero-shot-fade { position: relative; }
.hero-shot-fade::after { content: ""; position: absolute; inset: auto 0 0; height: 32%; background: linear-gradient(transparent, var(--bg)); pointer-events: none; }

/* ── sections ───────────────────────────────────────────────────────── */
section { padding: clamp(64px, 9vw, 112px) 0; }
.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.kicker { display: block; font-family: var(--mono); font-size: 0.82rem; color: var(--accent); text-transform: lowercase; margin-bottom: 14px; }
.kicker::before { content: "# "; color: #475569; }
.section-head p { color: #cbd5e1; font-size: 1.08rem; }
.band { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* PuTTY strip */
.strip { padding: 34px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-2); }
.strip-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.strip-item { display: flex; gap: 14px; align-items: flex-start; }
.strip-item svg { flex: none; color: var(--green-text); margin-top: 3px; }
.strip-item strong { display: block; color: var(--text-strong); font-weight: 600; }
.strip-item span { color: var(--muted); font-size: 0.94rem; }
@media (max-width: 860px) { .strip-inner { grid-template-columns: 1fr; gap: 18px; } }

/* Feature grid */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: linear-gradient(180deg, rgb(30 41 59 / 0.55), rgb(15 23 42 / 0.55));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 24px;
  transition: border-color .2s, background-color .2s;
}
.card:hover { border-color: var(--border-2); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.96rem; margin: 0; }
.icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 18px;
  background: rgb(14 165 233 / 0.12); color: var(--accent); border: 1px solid rgb(56 189 248 / 0.2);
}
.icon.green { background: rgb(16 185 129 / 0.12); color: var(--green-text); border-color: rgb(52 211 153 / 0.2); }
.icon.amber { background: rgb(251 191 36 / 0.1); color: var(--amber); border-color: rgb(251 191 36 / 0.2); }
.icon.rose { background: rgb(251 113 133 / 0.1); color: var(--rose); border-color: rgb(251 113 133 / 0.2); }
.icon.cyan { background: rgb(6 182 212 / 0.12); color: #22d3ee; border-color: rgb(34 211 238 / 0.2); }

/* Showcase rows */
.showcase { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.showcase + .showcase { margin-top: clamp(64px, 9vw, 112px); }
.showcase.flip { grid-template-columns: 7fr 5fr; }
.showcase > * { min-width: 0; }
.showcase.flip .showcase-copy { order: 2; }
@media (max-width: 900px) {
  .showcase, .showcase.flip { grid-template-columns: 1fr; }
  .showcase.flip .showcase-copy { order: 0; }
}
.showcase-copy p { color: #cbd5e1; }
.checks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 28px; color: var(--muted); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 0.45em; width: 16px; height: 16px; border-radius: 50%;
  background: rgb(16 185 129 / 0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%2334d399' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 16px no-repeat;
}
.checks li strong { color: var(--text); font-weight: 600; }
figure { margin: 0; }
figcaption { margin-top: 14px; font-size: 0.88rem; color: var(--muted); text-align: center; }

/* Terminal / code block with copy button */
.term {
  position: relative; margin: 22px 0 0; background: #020617; border: 1px solid var(--border-2);
  border-radius: var(--radius-sm); font-family: var(--mono); font-size: 0.9rem;
}
.term-head span { min-width: 0; }
.term-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 8px 8px 14px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: 0.76rem; }
.term pre { margin: 0; padding: 14px 16px; overflow-x: auto; color: var(--text); white-space: pre; }
.term .p { color: var(--cyan); user-select: none; }
.term .s { color: var(--green-text); }
.term .k { color: #f0abfc; }
.copy {
  font: inherit; font-size: 0.76rem; color: var(--muted); background: var(--surface-2);
  border: 1px solid var(--border-2); border-radius: 6px; padding: 4px 10px; cursor: pointer;
}
.copy:hover { color: var(--text-strong); }
.copy.done { color: var(--green-text); border-color: rgb(52 211 153 / 0.4); }

/* ── download ───────────────────────────────────────────────────────── */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 960px) { .dl-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px) { .dl-grid { grid-template-columns: 1fr; } }
.dl-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; }
.dl-card.recommended { border-color: rgb(56 189 248 / 0.55); box-shadow: 0 0 0 1px rgb(56 189 248 / 0.25), 0 20px 50px -24px rgb(14 165 233 / 0.45); }
.dl-card header { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.dl-card header h3 { margin: 0; font-size: 1.3rem; }
.dl-card .badge { margin-left: auto; }
.dl-card > p { color: var(--muted); font-size: 0.93rem; }
.dl-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; }
.dl-list a {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-2);
  background: rgb(30 41 59 / 0.45); color: var(--text-strong); text-decoration: none; font-weight: 550; font-size: 0.95rem;
}
.dl-list a:hover { border-color: var(--accent); background: rgb(14 165 233 / 0.08); }
.dl-list a small { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; font-weight: 400; text-align: right; }
.dl-card.soon { background: transparent; border-style: dashed; }
.dl-card.soon p { margin-bottom: 0; }
.badge { font-family: var(--mono); font-size: 0.72rem; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border-2); color: var(--muted); white-space: nowrap; }
.badge.blue { color: var(--accent); border-color: rgb(56 189 248 / 0.4); background: rgb(14 165 233 / 0.08); }
.prereq {
  margin-top: 28px; display: flex; gap: 16px; align-items: flex-start;
  border: 1px solid rgb(251 191 36 / 0.3); background: rgb(251 191 36 / 0.06);
  border-radius: var(--radius); padding: 18px 20px;
}
.prereq svg { flex: none; color: var(--amber); margin-top: 3px; }
.prereq p { margin: 0; color: #e2e8f0; }
.release-meta { margin-top: 18px; color: var(--muted); font-size: 0.9rem; text-align: center; }

/* ── security band ──────────────────────────────────────────────────── */
.sec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (max-width: 760px) { .sec-grid { grid-template-columns: 1fr; } }
.sec-item { display: flex; gap: 14px; padding: 18px; border-radius: var(--radius); border: 1px solid var(--border); background: rgb(15 23 42 / 0.6); }
.sec-item svg { flex: none; color: var(--green-text); margin-top: 2px; }
.sec-item strong { display: block; color: var(--text-strong); font-weight: 600; margin-bottom: 2px; }
.sec-item span { color: var(--muted); font-size: 0.94rem; }

/* ── two-column info ────────────────────────────────────────────────── */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .duo { grid-template-columns: 1fr; } }
.panel { border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(24px, 3.5vw, 36px); background: var(--surface); }
.panel ul { padding-left: 1.1em; color: var(--muted); margin: 0; }
.panel li { margin-bottom: 8px; }
.panel li strong { color: var(--text); }
.alis { display: flex; gap: 22px; align-items: flex-start; }
.alis img { width: 88px; height: 88px; border-radius: 18px; flex: none; }
.greek { font-family: var(--mono); color: var(--accent); }

/* ── final CTA ──────────────────────────────────────────────────────── */
.final { text-align: center; }
.final .box {
  border: 1px solid var(--border-2); border-radius: 20px; padding: clamp(40px, 6vw, 72px) var(--gutter);
  background:
    radial-gradient(500px 220px at 50% 0%, rgb(14 165 233 / 0.16), transparent 70%),
    var(--surface);
}
.final p { color: #cbd5e1; max-width: 560px; margin: 0 auto 28px; }

/* ── footer ─────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 40px; color: var(--muted); font-size: 0.92rem; }
.foot { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 860px) { .foot { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .foot { grid-template-columns: 1fr; } }
.foot h4 { color: var(--text-strong); font-size: 0.85rem; margin: 0 0 12px; font-weight: 600; letter-spacing: 0.02em; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text-strong); }
.foot .brand { margin-bottom: 12px; }
.fine { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; font-size: 0.84rem; color: var(--muted); }
.fine a { color: #94a3b8; }

/* ── docs-style pages (security, 404) ───────────────────────────────── */
.page-hero { padding: clamp(48px, 7vw, 88px) 0 clamp(24px, 4vw, 40px); }
.page-hero p { color: #cbd5e1; font-size: 1.12rem; }
.prose { padding-top: 0; }
.prose h2 { font-size: 1.6rem; margin-top: 2.2em; padding-top: 0.2em; }
.prose h3 { margin-top: 1.8em; }
.prose p, .prose li { color: #cbd5e1; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: 0.5em; }
.prose strong { color: var(--text-strong); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border-2); border-radius: var(--radius-sm); margin: 1.2em 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.94rem; }
th, td { text-align: left; vertical-align: top; padding: 12px 16px; border-bottom: 1px solid var(--border); }
tr:last-child th, tr:last-child td { border-bottom: 0; }
th { color: var(--text-strong); font-weight: 600; white-space: nowrap; background: rgb(30 41 59 / 0.4); width: 1%; }
td { color: #cbd5e1; }
.callout { border-left: 3px solid var(--accent); background: rgb(14 165 233 / 0.07); padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 1.4em 0; }
.callout.warn { border-color: var(--amber); background: rgb(251 191 36 / 0.06); }
.callout p:last-child { margin: 0; }
.toc { border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 22px; background: var(--surface); margin-bottom: 1em; }
.toc strong { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 8px; font-weight: 600; }
.toc ol { margin: 0; padding-left: 1.2em; columns: 2; column-gap: 32px; }
@media (max-width: 560px) { .toc ol { columns: 1; } }
.toc li { margin-bottom: 4px; }
.toc a { text-decoration: none; }

.notfound { min-height: 62vh; display: grid; place-items: center; text-align: center; }
.notfound .code { font-family: var(--mono); color: var(--rose); font-size: 0.95rem; margin-bottom: 14px; }