/* SYSOI marketing site — shared design system.
   Same token palette as the dashboard (tokens.css) so the site and the
   product feel like the same thing. Self-contained: this file ships
   with the static HTML pages and the dashboard's tokens.css never
   loads here. */

:root {
  --ink: #0B0D10;
  --carbon: #14171C;
  --carbon-2: #181B21;
  --carbon-3: #1C2027;
  --slate: #1F2329;
  --steel: #2B2F36;
  --signal-amber: #F5B454;
  --signal-amber-deep: #C98E36;
  --tier-high: #5FE3B5;
  --tier-warn: #F47272;
  --bone: #F2EFE8;
  --silver: #B8BCC4;
  --fg-1: #F2EFE8;
  --fg-2: #B8BCC4;
  --fg-3: #8FA0B8;
  --fg-4: #6B7280;
  --font-sans: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-serif: "Source Serif 4", ui-serif, Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --maxw: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--ink);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--signal-amber); text-decoration: none; }
a:hover { color: var(--signal-amber-deep); }

/* ─── Page frame ───────────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(11, 13, 16, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--slate);
}
.topbar .row { display: flex; align-items: center; gap: 24px; padding: 14px 0; }
.topbar .brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; color: var(--fg-1); }
.topbar .brand img { width: 22px; height: 22px; }
.topbar nav { display: flex; gap: 22px; margin-left: auto; }
.topbar nav a { color: var(--fg-2); font-family: var(--font-sans); font-size: 13px; font-weight: 500; }
.topbar nav a:hover { color: var(--fg-1); }
.topbar .cta { background: var(--signal-amber); color: var(--ink); border-radius: 999px; padding: 8px 18px; font-family: var(--font-sans); font-size: 13px; font-weight: 600; }
.topbar .cta:hover { background: var(--signal-amber-deep); color: var(--ink); }

@media (max-width: 720px) {
  .topbar nav { display: none; }
}

/* ─── Typography primitives ────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 14px;
}
.eyebrow.accent { color: var(--signal-amber); }
.eyebrow.audience { color: var(--tier-high); }

.display {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--fg-1);
  margin: 0 0 28px;
}
.headline {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--fg-1);
  margin: 0 0 22px;
}
.h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.25;
  color: var(--fg-1);
  margin: 0 0 16px;
}
.lede {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.5;
  color: var(--fg-2);
  margin: 0 0 28px;
}
.body {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-2);
  margin: 0 0 16px;
}
.body strong { color: var(--fg-1); font-weight: 600; }
.body a { color: var(--signal-amber); text-decoration: underline; text-underline-offset: 3px; }

.mono { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); letter-spacing: 0.08em; }
.steel { color: var(--fg-4); }

/* ─── Section layout ───────────────────────────────────────── */
section { padding: 76px 0; border-top: 1px solid var(--slate); }
section:first-of-type { border-top: 0; }
.hero { padding: 96px 0 64px; border-top: 0; }
.center { text-align: center; }
.mantra {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.4;
  color: var(--fg-1);
  margin: 56px auto 0;
  max-width: 720px;
  text-align: center;
}

.cta-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.btn-primary {
  background: var(--signal-amber); color: var(--ink);
  font-family: var(--font-sans); font-size: 14px; font-weight: 600;
  padding: 12px 22px; border-radius: 999px; border: 0; cursor: pointer;
  display: inline-block;
}
.btn-primary:hover { background: var(--signal-amber-deep); color: var(--ink); }
.btn-link { color: var(--signal-amber); font-family: var(--font-sans); font-size: 14px; font-weight: 500; text-decoration: underline; text-underline-offset: 4px; }

/* ─── Pillar block (alternating layout) ────────────────────── */
.pillar { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 60px 0; border-top: 1px solid var(--slate); }
.pillar:first-of-type { border-top: 0; padding-top: 0; }
.pillar.reverse .text { order: 2; }
.pillar.reverse .visual { order: 1; }
.pillar .visual {
  background: var(--carbon);
  border: 1px solid var(--slate);
  border-radius: 14px;
  min-height: 260px;
  padding: 22px;
  display: flex; flex-direction: column; justify-content: flex-end;
  position: relative;
}
.pillar .visual .placeholder { position: absolute; top: 0; left: 0; right: 0; bottom: 60px; display: flex; align-items: center; justify-content: center; color: var(--fg-4); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; }
.pillar .visual .shot { display: block; width: 100%; height: auto; border-radius: 8px; margin-bottom: 14px; }
.pillar .visual .caption { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.08em; border-top: 1px solid var(--slate); padding-top: 14px; }

@media (max-width: 860px) {
  .pillar { grid-template-columns: 1fr; gap: 28px; padding: 44px 0; }
  .pillar.reverse .text, .pillar.reverse .visual { order: initial; }
}

/* ─── Comparison table ─────────────────────────────────────── */
.compare {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--slate); border-radius: 14px; overflow: hidden;
  margin-top: 32px;
}
.compare th, .compare td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--slate); font-family: var(--font-sans); font-size: 14px; color: var(--fg-2); vertical-align: top; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.compare th { font-weight: 600; color: var(--fg-3); width: 26%; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.compare thead th { background: var(--carbon); color: var(--fg-1); font-family: var(--font-sans); font-size: 13px; letter-spacing: 0; text-transform: none; }
.compare thead th.sysoi { color: var(--signal-amber); }
.compare .sysoi-col { color: var(--fg-1); }

@media (max-width: 720px) {
  /* Mobile: the 3-col table can't sit side-by-side, so each row becomes a
     self-contained comparison CARD. The two sides are visually differentiated
     (dim incumbent vs. bright, amber-accented SYSOI) so the old-way/our-way
     contrast that powers the desktop layout still lands on a phone. */
  .compare, .compare tbody, .compare tr, .compare th, .compare td { display: block; }
  .compare thead { display: none; }
  .compare {
    border: 0; border-radius: 0; overflow: visible; margin-top: 24px;
    background: transparent;
  }
  .compare tr {
    border: 1px solid var(--slate); border-radius: 14px; overflow: hidden;
    background: var(--carbon); padding: 0; margin-bottom: 14px;
  }
  .compare tr:last-child { border-bottom: 1px solid var(--slate); margin-bottom: 0; }

  /* Card header = the row label */
  .compare th {
    width: auto; padding: 13px 16px; margin: 0;
    background: var(--carbon-2); border-bottom: 1px solid var(--slate);
    color: var(--fg-3); font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600;
  }

  /* Both value cells: label becomes a block caption above the value */
  .compare td {
    padding: 12px 16px; border-bottom: 1px solid var(--slate);
    font-size: 15px; line-height: 1.5;
  }
  .compare td::before {
    display: block; margin-bottom: 3px;
    font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  /* Incumbent side: de-emphasized (this is the "before") */
  .compare td:not(.sysoi-col) { color: var(--fg-3); border-bottom: 0; }
  .compare td:not(.sysoi-col)::before { content: 'The incumbents'; color: var(--fg-4); }

  /* SYSOI side: the answer — brighter text + amber accent bar */
  .compare td.sysoi-col {
    color: var(--fg-1); border-bottom: 0;
    border-left: 2px solid var(--signal-amber);
    background: rgba(245, 180, 84, 0.04);
  }
  .compare td.sysoi-col::before { content: 'SYSOI'; color: var(--signal-amber); }
}

/* ─── Signal-card mock (homepage forensic example) ─────────── */
.signal-card {
  border: 1px solid var(--tier-warn);
  border-radius: 12px;
  padding: 22px 24px;
  background: var(--carbon);
  display: flex; flex-direction: column; gap: 14px;
  margin: 22px 0;
}
.signal-card .sev { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--tier-warn); }
.signal-card .head { font-family: var(--font-serif); font-size: 18px; color: var(--fg-1); line-height: 1.4; }
.signal-card .evidence { font-size: 14px; color: var(--fg-2); line-height: 1.6; }
.signal-card .rec { font-size: 14px; color: var(--fg-2); line-height: 1.6; }
.signal-card .rec strong { color: var(--fg-1); }
.signal-card .footer { font-family: var(--font-mono); font-size: 10px; color: var(--fg-4); letter-spacing: 0.1em; }

/* ─── Connector chips ──────────────────────────────────────── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.chip { display: inline-block; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--slate); font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-2); letter-spacing: 0.04em; }
.chip.live { border-color: var(--tier-high); color: var(--tier-high); }
.chip.next { border-color: var(--steel); color: var(--fg-3); }

/* ─── Pricing cards ────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
@media (max-width: 920px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--carbon);
  border: 1px solid var(--slate);
  border-radius: 14px;
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.card.featured { border-color: var(--signal-amber); }
.card .name { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--fg-3); text-transform: uppercase; }
.card .price { font-family: var(--font-serif); font-size: 32px; color: var(--fg-1); line-height: 1.1; }
.card .price small { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); letter-spacing: 0.06em; display: block; margin-top: 4px; }
.card .specs { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); letter-spacing: 0.02em; line-height: 1.6; }
.card .for { font-family: var(--font-serif); font-size: 14px; color: var(--fg-2); line-height: 1.55; }
.card .for strong { color: var(--fg-1); }
.card ul { margin: 0; padding-left: 18px; }
.card ul li { font-size: 13.5px; color: var(--fg-2); margin-bottom: 6px; }
.card .cta-wrap { margin-top: auto; padding-top: 8px; }
.card.featured .name { color: var(--signal-amber); }
.card .badge { position: absolute; top: -10px; right: 16px; background: var(--signal-amber); color: var(--ink); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; padding: 4px 10px; border-radius: 999px; }
.card { position: relative; }

/* ─── Form ─────────────────────────────────────────────────── */
.form { display: grid; gap: 16px; max-width: 640px; margin-top: 28px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); }
.form input, .form textarea { background: var(--carbon); border: 1px solid var(--slate); border-radius: 10px; padding: 12px 14px; color: var(--fg-1); font-family: var(--font-sans); font-size: 14px; }
.form input:focus, .form textarea:focus { outline: 0; border-color: var(--signal-amber); }
.form textarea { min-height: 96px; resize: vertical; font-family: var(--font-serif); font-size: 15px; }
.form .chips-pick { display: flex; flex-wrap: wrap; gap: 8px; }
.form .chips-pick .pick { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--slate); cursor: pointer; font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-2); user-select: none; }
.form .chips-pick .pick.on { background: var(--signal-amber); border-color: var(--signal-amber); color: var(--ink); }
.form .msg { font-family: var(--font-mono); font-size: 12px; }
.form .msg.ok { color: var(--tier-high); }
.form .msg.err { color: var(--tier-warn); }

/* ─── Footer ───────────────────────────────────────────────── */
footer { border-top: 1px solid var(--slate); padding: 36px 0 48px; color: var(--fg-3); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; }
footer .row { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
footer .group { display: flex; gap: 16px; flex-wrap: wrap; }

/* ─── Long-form essay (manifesto) ──────────────────────────── */
.essay { max-width: 720px; margin: 0 auto; }
.essay p { font-family: var(--font-serif); font-size: 19px; line-height: 1.75; color: var(--fg-2); margin: 0 0 22px; }
.essay p:first-of-type::first-letter { font-size: 64px; line-height: 0.9; padding-right: 10px; float: left; color: var(--signal-amber); font-family: var(--font-serif); }
.essay p strong { color: var(--fg-1); font-weight: 600; }
.essay hr { border: 0; border-top: 1px solid var(--slate); margin: 38px auto; max-width: 80px; }
.essay .sig { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); letter-spacing: 0.08em; margin-top: 28px; }