/* ============================================================
   Perseus — shared design-system stylesheet
   Pairs with tokens.css (color) + Space Grotesk / JetBrains Mono.
   All component classes for the marketing site live here.
   ============================================================ */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
::selection { background: var(--violet); color: #fff; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* ---------- eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  margin-bottom: 22px;
}
.eyebrow.amber { color: var(--amber); }
.eyebrow.violet { color: var(--violet); }

/* ---------- section rhythm ---------- */
section { position: relative; }
.band {
  background: var(--surface-2);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.sec { padding: clamp(76px, 9vw, 122px) 0; }
.sec-tight { padding: clamp(60px, 7vw, 100px) 0; }

h2.h {
  font-size: clamp(26px, 3.4vw, 40px); line-height: 1.16;
  font-weight: 600; letter-spacing: -.02em;
}
.lead { font-size: clamp(16px, 1.5vw, 18px); line-height: 1.65; color: var(--text-dim); }

/* ---------- header ---------- */
header.site {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: saturate(140%) blur(14px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-soft);
}
.nav {
  display: flex; align-items: center; gap: 28px;
  padding: 14px 24px; max-width: 1180px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); margin-right: auto; }
.brand b { font-weight: 600; font-size: 18px; letter-spacing: -.01em; }
.brand .sub { color: var(--text-faint); font-weight: 400; }
.navlinks { display: flex; align-items: center; gap: 26px; font-size: 14.5px; }
.navlinks a { color: var(--text-dim); text-decoration: none; transition: color .15s; }
.navlinks a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 36px; padding: 0 16px; border-radius: 9px;
  font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; font-family: inherit;
  transition: transform .12s, background .15s, border-color .15s, color .15s, opacity .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--text); color: var(--bg); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--text-faint); }
.btn-amber { background: var(--amber); color: #1a1308; }
.btn-amber:hover { opacity: .92; }
.btn-violet { background: var(--violet); color: #0c0814; }
.btn-violet:hover { opacity: .92; }
.btn-lg { height: 48px; padding: 0 22px; border-radius: 11px; font-size: 15px; }
.toggle {
  display: inline-flex; align-items: center; gap: 7px;
  height: 36px; padding: 0 13px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-dim); font-family: 'JetBrains Mono', monospace; font-size: 12px; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.toggle:hover { color: var(--text); border-color: var(--text-faint); }
.toggle .dot {
  width: 13px; height: 13px; border-radius: 50%; border: 2px solid currentColor;
  background: linear-gradient(90deg, currentColor 50%, transparent 50%); display: inline-block;
}

/* ---------- hero ---------- */
.hero { overflow: hidden; border-bottom: 1px solid var(--border-soft); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .42; pointer-events: none; }
.hero-grid {
  position: relative; display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(36px, 5vw, 72px); align-items: center;
  padding: clamp(64px, 9vw, 124px) 0 clamp(56px, 7vw, 96px);
}
.hero-inner {
  position: relative; max-width: 1180px; margin: 0 auto;
  padding: clamp(72px, 11vw, 140px) 24px clamp(56px, 8vw, 96px);
}
h1.hero-h {
  font-size: clamp(40px, 6.2vw, 76px); line-height: 1.03; font-weight: 600;
  letter-spacing: -.025em; margin: 0 0 24px; max-width: 17ch;
}
h1.hero-h .strike { color: var(--text-faint); text-decoration: line-through; text-decoration-thickness: 2px; }
h1.hero-h .one { color: var(--amber); }
.hero p.lead, .hero-inner p.lead { max-width: 60ch; margin-bottom: 34px; }
.hero p.lead .em, .hero-inner p.lead .em { color: var(--text); }

.install {
  display: inline-flex; align-items: center; gap: 14px; height: 48px;
  padding: 0 8px 0 18px; border-radius: 11px; background: var(--term-bg);
  border: 1px solid var(--term-border); font-family: 'JetBrains Mono', monospace;
  font-size: 14.5px; color: #E6E3F2;
}
.install .pr { color: #6E6A80; }
.install button {
  height: 34px; padding: 0 13px; border-radius: 8px; border: none;
  background: var(--amber); color: #1a1308; font-family: 'JetBrains Mono', monospace;
  font-size: 12px; font-weight: 600; cursor: pointer; transition: opacity .15s;
}
.install button:hover { opacity: .9; }
.install.violet button { background: var(--violet); color: #0c0814; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 44px; }
.hero-cta .btn { height: 48px; padding: 0 20px; border-radius: 11px; font-size: 15px; }
.hero-cta .btn-ghost { font-weight: 500; }

.statstrip { display: flex; flex-wrap: wrap; gap: 12px; }
.stat {
  flex: 1; min-width: 132px; padding: 16px 18px; border-radius: 13px;
  background: var(--surface); border: 1px solid var(--border-soft);
}
.stat .n { font-family: 'JetBrains Mono', monospace; font-size: 25px; font-weight: 600; }
.stat .n.amber { color: var(--amber); }
.stat .n.violet { color: var(--violet); }
.stat .c { font-size: 12.5px; color: var(--text-faint); margin-top: 3px; line-height: 1.4; }

/* ---------- terminal ---------- */
.term {
  border-radius: 14px; background: var(--term-bg); border: 1px solid var(--term-border);
  overflow: hidden; box-shadow: var(--shadow);
}
.term-bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--term-border); }
.term-bar .d { width: 11px; height: 11px; border-radius: 50%; background: #3a3650; }
.term-bar .f { margin-left: 8px; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: #6E6A80; }
.term pre {
  margin: 0; padding: 22px 20px; font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px; line-height: 1.85; color: #C9C5D8; white-space: pre-wrap;
}
.term .c6 { color: #6E6A80; }
.term .vi { color: var(--violet-ink); }
.term .ai { color: var(--amber-ink); }
.term .br { color: #E6E3F2; }
.term .gr { color: var(--green); }
.term .rd { color: var(--red); }
.term-line { display: block; }

/* cursor */
.cursor { display: inline-block; width: 8px; height: 1.05em; background: var(--amber); vertical-align: -2px; margin-left: 2px; animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- hairline metric grid ---------- */
.hairgrid {
  display: grid; gap: 1px; background: var(--border-soft);
  border: 1px solid var(--border-soft); border-radius: 16px; overflow: hidden;
}
.hairgrid .cell { background: var(--surface); padding: 28px 26px; }
.hairgrid .cell .big { font-family: 'JetBrains Mono', monospace; font-weight: 600; }
.cap { font-size: 13.5px; color: var(--text-faint); line-height: 1.5; }

/* ---------- feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--border-soft); border-radius: 16px; padding: 28px; }
.card .ic { width: 38px; height: 38px; border-radius: 10px; background: var(--violet-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.card .ic.amber { background: var(--amber-soft); }
.card .kix { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--amber); margin-bottom: 14px; }
.card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.card p { font-size: 14.5px; line-height: 1.6; color: var(--text-dim); }

/* ---------- two-column split (text + terminal/graphic) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }

/* ---------- centered CTA ---------- */
.cta-center { text-align: center; }
.cta-center h2 { margin: 0 auto 18px; }
.cta-center p { margin: 0 auto 28px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- pricing tiers ---------- */
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; align-items: stretch; }
.tier { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 30px; display: flex; flex-direction: column; }
.tier.feat { border-color: var(--amber); box-shadow: 0 0 0 4px var(--amber-soft); }
.tier h3 { font-size: 20px; font-weight: 600; }
.tier .price { font-family: 'JetBrains Mono', monospace; font-size: 30px; font-weight: 600; margin: 6px 0 4px; }
.tier .psub { font-size: 13px; color: var(--text-faint); margin-bottom: 20px; }
.tier .feats { display: flex; flex-direction: column; gap: 9px; font-size: 14px; color: var(--text-dim); margin-bottom: 24px; }
.tier .tcta { margin-top: auto; text-align: center; height: 44px; line-height: 44px; border-radius: 10px; text-decoration: none; font-size: 14px; font-weight: 500; }
.tier .tcta.outline { border: 1px solid var(--border); color: var(--text); }
.tier .pill-ea { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--amber); background: var(--amber-soft); padding: 3px 8px; border-radius: 20px; }

/* ---------- comparison table ---------- */
.tablewrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
table.cmp { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
table.cmp th { padding: 16px 18px; text-align: center; font-weight: 500; color: var(--text-dim); border-bottom: 1px solid var(--border); }
table.cmp th.lbl { text-align: left; font-weight: 600; color: var(--text); }
table.cmp td { padding: 16px 18px; border-bottom: 1px solid var(--border-soft); text-align: center; }
table.cmp td.lbl { text-align: left; }
table.cmp td.lbl .nm { font-weight: 600; color: var(--text); }
table.cmp td.lbl .sub { color: var(--text-faint); font-size: 12.5px; margin-top: 2px; }
table.cmp .yes { color: var(--amber); } table.cmp .no { color: var(--text-faint); } table.cmp .mid { color: var(--text-faint); }
table.cmp tr.win { background: var(--amber-soft); }
table.cmp tr.win td { border-bottom: none; }
table.cmp tr.win .yes { font-weight: 700; }
table.cmp tr.win .nm { display: flex; align-items: center; gap: 8px; }

/* ---------- products ---------- */
.prodgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(248px, 1fr)); gap: 20px; }
.prod {
  text-decoration: none; color: inherit; background: var(--surface);
  border: 1px solid var(--border); border-radius: 18px; padding: 26px;
  display: flex; flex-direction: column; gap: 18px;
  transition: transform .14s, border-color .15s;
}
.prod:hover { transform: translateY(-3px); }
.prod.amber { border-color: var(--amber); box-shadow: 0 0 0 4px var(--amber-soft); }
.prod.violet { border-color: var(--violet); box-shadow: 0 0 0 4px var(--violet-soft); }
.prod-top { display: flex; align-items: center; justify-content: space-between; }
.chip { width: 56px; height: 56px; border-radius: 14px; background: var(--term-bg); border: 1px solid var(--term-border); display: flex; align-items: center; justify-content: center; }
.pill { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; padding: 4px 9px; border-radius: 20px; }
.pill.amber { color: var(--amber); background: var(--amber-soft); }
.pill.violet { color: var(--violet); background: var(--violet-soft); }
.pill.steel { color: var(--text-faint); background: var(--steel-soft); }
.prod h3 { font-size: 20px; font-weight: 600; margin-bottom: 7px; }
.prod p { font-size: 14px; line-height: 1.6; color: var(--text-dim); }
.prod .open { margin-top: auto; font-family: 'JetBrains Mono', monospace; font-size: 12.5px; }

/* ---------- badges ---------- */
.badges { display: flex; flex-wrap: wrap; gap: 10px; }
.badges.center { justify-content: center; }
.badge {
  font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--border); padding: 7px 13px; border-radius: 8px;
}

/* ---------- footer (full) ---------- */
footer.site { border-top: 1px solid var(--border-soft); background: var(--bg); }
.foot {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
  padding: 56px 24px 40px; max-width: 1180px; margin: 0 auto;
}
.foot .blurb { font-size: 13.5px; line-height: 1.6; color: var(--text-faint); max-width: 34ch; }
.foot .col-h { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px; }
.foot .links { display: flex; flex-direction: column; gap: 9px; font-size: 14px; }
.foot .links a { color: var(--text-dim); text-decoration: none; transition: color .15s; }
.foot .links a:hover { color: var(--text); }
.legal { border-top: 1px solid var(--border-soft); }
.legal .inner { max-width: 1180px; margin: 0 auto; padding: 20px 24px; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-faint); }

/* ---------- footer (compact, product pages) ---------- */
.foot-compact { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; padding: 40px 24px; max-width: 1180px; margin: 0 auto; }
.foot-compact .legal-line { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-faint); }
.foot-compact .brand-line { display: flex; align-items: center; gap: 11px; }
.foot-compact .sib { display: flex; gap: 20px; font-size: 14px; }
.foot-compact .sib a { color: var(--text-dim); text-decoration: none; transition: color .15s; }
.foot-compact .sib a:hover { color: var(--text); }

/* ---------- pipeline (how it works) ---------- */
.pipe { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; }
.step { background: var(--surface); border: 1px solid var(--border-soft); padding: 28px; display: flex; flex-direction: column; gap: 16px; position: relative; }
.step:nth-child(1) { border-radius: 16px 0 0 16px; }
.step:nth-child(3) { border-radius: 0 16px 16px 0; }
.step:nth-child(2) { border-left: none; border-right: none; }
.step .sh { display: flex; align-items: center; gap: 12px; }
.step .num { width: 32px; height: 32px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-family: 'JetBrains Mono', monospace; font-weight: 600; flex-shrink: 0; }
.step .num.v { background: var(--violet-soft); color: var(--violet); }
.step .num.a { background: var(--amber-soft); color: var(--amber); }
.step h3 { font-size: 19px; font-weight: 600; }
.step p { color: var(--text-dim); font-size: 15px; line-height: 1.6; }
.step pre { margin: 0; background: var(--term-bg); border: 1px solid var(--term-border); border-radius: 10px; padding: 15px; font-family: 'JetBrains Mono', monospace; font-size: 12.5px; line-height: 1.75; color: #C9C5D8; white-space: pre-wrap; overflow: auto; }
.step pre .c6 { color: #6E6A80; } .step pre .vi { color: var(--violet-ink); } .step pre .ai { color: var(--amber-ink); } .step pre .br { color: #E6E3F2; }
.conn { position: absolute; top: 50%; right: -11px; transform: translateY(-50%); z-index: 3; }

/* ---------- problem session timeline ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.panel { border: 1px solid var(--border); border-radius: 16px; overflow: hidden; background: var(--surface); }
.panel.good { border-color: var(--amber); box-shadow: 0 0 0 4px var(--amber-soft); }
.panel-h { padding: 15px 20px; border-bottom: 1px solid var(--border-soft); display: flex; justify-content: space-between; align-items: center; }
.panel-h .t { font-weight: 600; font-size: 15px; }
.panel-h .meta { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; }
.turns { padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; }
.turn { display: flex; gap: 11px; align-items: flex-start; font-size: 14px; }
.turn .ix { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--text-faint); width: 22px; flex-shrink: 0; padding-top: 2px; }
.turn .body { color: var(--text-dim); }
.turn.a .body { color: var(--text); }
.turn .body .hl { color: var(--amber); }
.turn .body code { font-family: 'JetBrains Mono', monospace; font-size: .9em; }
.ledger { margin-top: 4px; font-family: 'JetBrains Mono', monospace; font-size: 12px; padding: 12px 20px 18px; }

/* ---------- form ---------- */
.field { display: flex; flex-direction: column; gap: 7px; font-size: 13px; color: var(--text-dim); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 14px; color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 9px; padding: 11px 13px; outline: none;
}
.field textarea { resize: vertical; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s ease; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .cursor { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side { order: -1; }
  .compare { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .pipe { grid-template-columns: 1fr; }
  .step:nth-child(1), .step:nth-child(3) { border-radius: 0; }
  .step:first-child { border-radius: 16px 16px 0 0; }
  .step:last-child { border-radius: 0 0 16px 16px; }
  .step:nth-child(2) { border-left: 1px solid var(--border-soft); border-right: 1px solid var(--border-soft); border-top: none; border-bottom: none; }
  .conn { display: none; }
  .foot { grid-template-columns: 1fr 1fr; gap: 32px; }
  .twocol { grid-template-columns: 1fr !important; }
}
@media (max-width: 720px) {
  .navlinks { display: none; }
  .nav { gap: 14px; }
}