/* ============================================================
   Anton — downloads site
   Dark technical / terminal theme. Single stylesheet, no build.
   ============================================================ */

:root {
  --bg:        #0a0e14;
  --bg-alt:    #0d131c;
  --panel:     #111826;
  --panel-2:   #0f1521;
  --line:      #1e2a3a;
  --line-soft: #172230;
  --text:      #d7e0ea;
  --text-dim:  #8a99ad;
  --text-mut:  #5b6b7f;
  --accent:    #4ade80;   /* terminal green */
  --accent-2:  #38bdf8;   /* cyan           */
  --warn:      #fbbf24;
  --red:       #f87171;
  --radius:    14px;
  --radius-sm: 9px;
  --mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", "Menlo", "Consolas", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

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

/* subtle grid glow backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(56,189,248,.09), transparent 60%),
    radial-gradient(700px 480px at 8% 8%, rgba(74,222,128,.07), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

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

code {
  font-family: var(--mono);
  font-size: .88em;
  background: rgba(56,189,248,.08);
  border: 1px solid var(--line-soft);
  color: var(--accent-2);
  padding: .1em .4em;
  border-radius: 6px;
}

.accent { color: var(--accent); }

/* ---------------- NAV ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,14,20,.72);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: .2px; }
.brand-mark { color: var(--accent); font-size: 1.05rem; }
.brand-name { font-size: 1.08rem; }
.nav-links { display: flex; gap: 26px; margin-left: 8px; font-size: .93rem; }
.nav-links a { color: var(--text-dim); transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: auto; }

/* ---------------- BUTTONS ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-size: .95rem; font-weight: 600;
  padding: 11px 20px; border-radius: 10px; cursor: pointer;
  border: 1px solid transparent; transition: transform .12s ease, box-shadow .2s, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg, #52e08a, #37c46f);
  color: #05210f; border-color: #2fae62;
  box-shadow: 0 6px 20px -8px rgba(74,222,128,.6);
}
.btn-primary:hover { box-shadow: 0 10px 28px -8px rgba(74,222,128,.7); }
.btn-ghost {
  background: rgba(255,255,255,.02);
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent-2); color: #fff; }
.btn-block { width: 100%; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
/* Siblings in a row share the width equally, so two choices of the same kind
   (Apple Silicon / Intel) read as one pair rather than a primary + an
   afterthought. flex-basis 0 makes the split ignore label length. */
.btn-row .btn { flex: 1 1 0; min-width: 180px; }
.btn.is-recommended { position: relative; }

/* ---------------- HERO ---------------- */
.hero { position: relative; z-index: 1; padding: 84px 0 72px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: .78rem; letter-spacing: .5px;
  color: var(--accent); background: rgba(74,222,128,.08);
  border: 1px solid rgba(74,222,128,.22); padding: 5px 12px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.06; margin: 0 0 18px; letter-spacing: -.02em; font-weight: 800; }
.lead { font-size: 1.12rem; color: var(--text-dim); max-width: 34em; margin: 0 0 30px; }
.lead em { color: var(--text); font-style: italic; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; color: var(--text-mut); font-size: .9rem; }
.hero-meta b { color: var(--text); }
.hero-meta .dot { color: var(--line); }

/* terminal */
.hero-terminal { position: relative; }
.term {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(56,189,248,.04);
}
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px; background: var(--panel-2); border-bottom: 1px solid var(--line);
}
.term-dot { width: 11px; height: 11px; border-radius: 50%; }
.term-dot.red { background: #ff5f56; } .term-dot.yellow { background: #ffbd2e; } .term-dot.green { background: #27c93f; }
.term-title { margin-left: 8px; font-family: var(--mono); font-size: .78rem; color: var(--text-mut); }
.term-body {
  margin: 0; padding: 20px; font-family: var(--mono); font-size: .84rem; line-height: 1.75;
  color: var(--text-dim); white-space: pre-wrap; word-break: break-word;
}
.c-dim { color: var(--text-mut); } .c-cmd { color: var(--accent-2); font-weight: 600; }
.c-ok { color: var(--accent); } .c-accent { color: var(--accent-2); } .c-warn { color: var(--warn); }

/* ---------------- SECTIONS ---------------- */
.section { position: relative; z-index: 1; padding: 84px 0; border-top: 1px solid var(--line-soft); }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.kicker {
  font-family: var(--mono); font-size: .76rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--accent-2);
}
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin: 12px 0 12px; letter-spacing: -.02em; font-weight: 800; }
.section-sub { color: var(--text-dim); font-size: 1.05rem; margin: 0; }

/* ---------------- PHASES ---------------- */
.phases { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.phase {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px; position: relative; overflow: hidden;
}
.phase::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.phase-num { font-family: var(--mono); font-size: .85rem; color: var(--accent); letter-spacing: 2px; margin-bottom: 12px; }
.phase h3 { margin: 0 0 12px; font-size: 1.25rem; }
.phase p { color: var(--text-dim); margin: 0 0 18px; }
.phase-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.phase-list li { position: relative; padding-left: 22px; color: var(--text-dim); font-size: .93rem; }
.phase-list li::before { content: "▸"; position: absolute; left: 0; color: var(--accent-2); }
.phase-list code { font-size: .85em; }

/* ---------------- DOWNLOAD ---------------- */
.group-title {
  display: flex; align-items: center; gap: 12px; font-size: 1.15rem;
  margin: 40px 0 18px; color: var(--text); font-weight: 700;
}
.group-title:first-of-type { margin-top: 8px; }
.group-tag {
  font-family: var(--mono); font-size: .72rem; letter-spacing: 1px; text-transform: uppercase;
  color: var(--accent); background: rgba(74,222,128,.08);
  border: 1px solid rgba(74,222,128,.22); padding: 4px 10px; border-radius: 999px;
}
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; transition: border-color .2s, transform .15s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.card:hover { border-color: rgba(56,189,248,.4); transform: translateY(-3px); box-shadow: 0 20px 40px -28px rgba(0,0,0,.9); }
.card.is-your-os { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(74,222,128,.25), 0 20px 40px -28px rgba(0,0,0,.9); }
.card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.card-icon { font-size: 1.9rem; line-height: 1; width: 44px; height: 44px; display: grid; place-items: center;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 11px; }
.card h4 { margin: 0; font-size: 1.15rem; }
.card-meta { font-family: var(--mono); font-size: .76rem; color: var(--text-mut); }
.card-desc { color: var(--text-dim); font-size: .93rem; margin: 0 0 20px; flex: 1; }
.your-os-badge {
  display: inline-block; font-family: var(--mono); font-size: .68rem; letter-spacing: .5px;
  color: #05210f; background: var(--accent); padding: 2px 8px; border-radius: 999px; margin-left: 8px; vertical-align: middle;
}
.dl-note { text-align: center; color: var(--text-mut); font-size: .92rem; margin: 30px 0 0; }

/* ---------------- STEPS ---------------- */
.steps { display: grid; gap: 18px; max-width: 820px; margin: 0 auto; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 20px; align-items: start;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; }
.step-badge { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; color: var(--accent);
  background: rgba(74,222,128,.08); border: 1px solid rgba(74,222,128,.25); }
.step-body h4 { margin: 6px 0 8px; font-size: 1.1rem; }
.step-body p { color: var(--text-dim); margin: 0 0 14px; }

.code-block { position: relative; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.code-block pre { margin: 0; padding: 16px 18px; overflow-x: auto; font-family: var(--mono); font-size: .84rem; line-height: 1.7; }
.code-block code { background: none; border: none; padding: 0; color: var(--text); }
.copy {
  position: absolute; top: 10px; right: 10px; font-family: var(--mono); font-size: .72rem;
  color: var(--text-dim); background: var(--panel); border: 1px solid var(--line);
  border-radius: 7px; padding: 4px 10px; cursor: pointer; transition: all .15s;
}
.copy:hover { color: var(--accent); border-color: var(--accent); }
.copy.copied { color: var(--accent); border-color: var(--accent); }

/* ---------------- INLINE PROSE LINKS ----------------
   Global `a` is color:inherit/no-underline for nav, footer, cards and
   buttons. Links inside body copy need to actually look like links. */
.card-desc a, .step-body p a, .dl-note a {
  color: var(--accent-2);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(56,189,248,.45);
  transition: color .15s, text-decoration-color .15s;
}
.card-desc a:hover, .step-body p a:hover, .dl-note a:hover {
  color: var(--accent); text-decoration-color: var(--accent);
}

/* ---------------- CALLOUT (unsigned-app warning) ---------------- */
.callout {
  display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start;
  background: rgba(251,191,36,.05); border: 1px solid rgba(251,191,36,.28);
  border-radius: var(--radius-sm); padding: 16px 18px; margin: 0 0 16px;
}
.callout-mark { font-family: var(--mono); font-weight: 700; color: var(--warn); line-height: 1.6; }
.callout p { margin: 0 0 9px; color: var(--text-dim); font-size: .9rem; }
.callout p:last-child { margin-bottom: 0; }
.callout b { color: var(--text); font-weight: 600; }
.callout code { background: rgba(251,191,36,.09); border-color: rgba(251,191,36,.22); }

/* ---------------- PHASE TAG (two modes) ---------------- */
.phase-tag { font-family: var(--mono); font-size: .8rem; color: var(--accent-2); margin: -6px 0 14px; }
.phase-tag code { background: none; border: none; padding: 0; color: var(--accent); }

/* ---------------- TICKET FLOW ---------------- */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.flow-step {
  position: relative; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 22px 22px 22px;
}
.flow-step .flow-n {
  display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px;
  font-family: var(--mono); font-weight: 700; font-size: .9rem; color: var(--accent);
  background: rgba(74,222,128,.08); border: 1px solid rgba(74,222,128,.25); margin-bottom: 12px;
}
.flow-step h4 { margin: 0 0 8px; font-size: 1.05rem; }
.flow-step p { margin: 0; color: var(--text-dim); font-size: .9rem; }
.flow-step.flow-done { border-color: rgba(74,222,128,.4); box-shadow: 0 0 0 1px rgba(74,222,128,.15); }
.flow-step.flow-done .flow-n { color: #05210f; background: var(--accent); border-color: var(--accent); }

/* ---------------- BUNDLE LIST ---------------- */
.bundle {
  margin-top: 30px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 26px;
}
.bundle-title { font-family: var(--mono); font-size: .74rem; letter-spacing: 1px; text-transform: uppercase; color: var(--text-mut); margin-bottom: 14px; }
.bundle-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.bundle-list li { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding-bottom: 12px; border-bottom: 1px solid var(--line-soft); }
.bundle-list li:last-child { padding-bottom: 0; border-bottom: none; }
.bundle-list code { font-size: .86rem; color: var(--accent); background: rgba(74,222,128,.07); border-color: rgba(74,222,128,.2); flex-shrink: 0; min-width: 168px; }
.bundle-role { color: var(--text-dim); font-size: .9rem; flex: 1; min-width: 220px; }
.bundle-port { font-family: var(--mono); font-size: .74rem; color: var(--text-mut); background: var(--panel-2); border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; }

/* ---------------- ARCHITECTURE ---------------- */
.arch { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }
.arch-node { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.arch-node-title { font-weight: 700; font-size: 1.05rem; margin-bottom: 3px; }
.arch-node-sub { font-family: var(--mono); font-size: .76rem; color: var(--text-mut); margin-bottom: 12px; }
.arch-node-sub code { font-size: .95em; background: none; border: none; padding: 0; color: var(--accent); }
.arch-node ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.arch-node li { position: relative; padding-left: 16px; font-size: .88rem; color: var(--text-dim); }
.arch-node li::before { content: "·"; position: absolute; left: 4px; color: var(--accent-2); }
.arch-inline { grid-template-columns: repeat(2, 1fr) !important; column-gap: 18px !important; }
.arch-node-app { border-color: rgba(56,189,248,.3); }
.arch-node-app .arch-node-title { color: var(--accent-2); }
.arch-node-primary { border-color: rgba(74,222,128,.3); }
.arch-node-primary .arch-node-title { color: var(--accent); font-family: var(--mono); }
.arch-node-worker { border-color: rgba(74,222,128,.3); }
.arch-node-worker .arch-node-title { color: var(--accent); font-family: var(--mono); }
.arch-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.arch-conn { display: grid; justify-items: center; gap: 2px; color: var(--text-mut); padding: 2px 0; }
.arch-conn-arrow { color: var(--accent-2); font-size: .8rem; line-height: 1; }
.arch-conn-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .3px; }
.arch-foot { margin-top: 6px; padding: 16px 20px; background: var(--panel-2); border: 1px dashed var(--line); border-radius: var(--radius); color: var(--text-dim); font-size: .9rem; }
.arch-foot code { color: var(--accent-2); }
.arch-foot-chip { display: inline-block; font-family: var(--mono); font-size: .74rem; color: var(--text); background: var(--panel); border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; margin-right: 8px; }

/* ---------------- FOOTER ---------------- */
.footer { position: relative; z-index: 1; border-top: 1px solid var(--line-soft); padding: 56px 0 30px; background: var(--bg-alt); }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 36px; border-bottom: 1px solid var(--line-soft); }
.footer-brand { max-width: 280px; }
.footer-brand .brand-name { font-weight: 700; margin-left: 6px; }
.footer-brand p { color: var(--text-mut); font-size: .92rem; margin: 12px 0 0; }
.footer-cols { display: flex; gap: 64px; }
.footer-col { display: grid; gap: 10px; align-content: start; }
.footer-col h5 { margin: 0 0 4px; font-size: .8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-mut); font-family: var(--mono); }
.footer-col a { color: var(--text-dim); font-size: .92rem; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; color: var(--text-mut); font-size: .85rem; }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 56px 0 48px; }
  .phases { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .cards { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .arch-row { grid-template-columns: 1fr; }
  .arch-inline { grid-template-columns: 1fr !important; }
  .bundle-list li { gap: 8px; }
  .section { padding: 60px 0; }
  .footer-inner { flex-direction: column; gap: 28px; }
  .footer-cols { gap: 40px; }
  .step { grid-template-columns: 1fr; gap: 12px; }
}

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