/* AgenticAuto marketing site — design system from the handoff.
   Static, no build step. Instrument Sans + IBM Plex Mono via Google Fonts. */

:root {
  /* Colour tokens */
  --navy: #0B1A33;
  --navy-deep: #08152A;
  --navy-console: #0d1626;
  --cyan: #2BB8F0;
  --cyan-dark: #22A6DB;
  --cyan-on-dark: #7FD3F5;
  --cyan-btn-text: #04283C;
  --paper: #F7F6F3;
  --paper-raised: #FAF9F6;
  --white: #FFFFFF;
  --ink: #10141B;
  --heading: #10141B;
  --body: #5B6575;
  --body-list: #3D4653;
  --muted: #8A929E;
  --placeholder: #B4B0A7;
  --border: #E3E0D9;
  --border-inner: #EFEDE7;
  --border-row: #F2F0EB;
  --border-paper: #EAE7E0;
  --input-border: #D8D4CB;
  --on-navy-body: #AFBACD;
  --on-navy-nav: #C6CEDC;
  --on-navy-muted: #7F8CA3;
  --on-navy-mono: #8C99AF;
  --on-navy-dim: #6E7C93;
  --on-navy-label: #5E6B80;

  --sans: "Instrument Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --gutter: 48px;
  --maxw: 1180px;

  --radius-card: 10px;
  --radius-window: 12px;
  --radius-btn: 5px;

  --shadow-card: 0 8px 26px rgba(11,26,51,.08);
  --shadow-raised: 0 14px 44px rgba(11,26,51,.14);
  --shadow-hero: 0 26px 70px rgba(0,0,0,.5);
  --shadow-band: 0 22px 56px rgba(0,0,0,.42);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 15.5px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { margin: 0; text-wrap: pretty; color: var(--heading); font-weight: 600; }
p { margin: 0; }

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

/* ─── Typography helpers ─────────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.13em; color: var(--muted);
  margin: 0;
}
.eyebrow.on-navy { color: var(--cyan-on-dark); }
.eyebrow.dot::before {
  content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan); margin-right: 9px; vertical-align: middle;
}
.mono { font-family: var(--mono); }
.lead { font-size: 16.5px; line-height: 1.62; color: var(--body); }
.h1 { font-size: 46px; line-height: 1.11; letter-spacing: -0.030em; }
.h2 { font-size: 30px; line-height: 1.16; letter-spacing: -0.026em; }
.h2-lg { font-size: 36px; line-height: 1.14; letter-spacing: -0.028em; }
.h3 { font-size: 21px; line-height: 1.25; letter-spacing: -0.015em; }
.section-p { color: var(--body); font-size: 15.5px; line-height: 1.64; }
.on-navy { color: var(--white); }
.on-navy .section-p, .on-navy p.body { color: var(--on-navy-body); }

/* ─── Buttons ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-size: 14px; padding: 14px 24px;
  border-radius: var(--radius-btn); border: 1px solid transparent;
  cursor: pointer; transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--cyan); color: var(--cyan-btn-text); font-weight: 600; }
.btn-primary:hover { background: var(--cyan-dark); }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--input-border); font-weight: 500; }
.btn-secondary:hover { border-color: #B9B3A7; }
.btn-secondary.on-navy { color: #fff; border-color: rgba(255,255,255,.26); }
.btn-secondary.on-navy:hover { border-color: rgba(255,255,255,.4); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── Header ─────────────────────────────────────────────────────── */
.site-header { background: var(--navy); position: sticky; top: 0; z-index: 40; }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 32px; width: auto; }
.wordmark { color: #fff; font-weight: 700; font-size: 14px; letter-spacing: 0.08em; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--on-navy-nav); font-size: 14px; font-weight: 500; }
.nav a:hover { color: #fff; }
.nav a.active { color: var(--cyan); }
.header-cta { display: flex; align-items: center; gap: 18px; }
.header-cta .signin { color: var(--on-navy-nav); font-size: 14px; font-weight: 500; }
.header-cta .signin:hover { color: #fff; }
.hamburger { display: none; background: none; border: 0; padding: 8px 12px; cursor: pointer; }
.hamburger span { display: block; width: 20px; height: 1.5px; background: #fff; }
.hamburger span + span { margin-top: 4px; }

/* ─── Sections ───────────────────────────────────────────────────── */
.section { padding: 86px 0; }
.section-med { padding: 70px 0; }
.section-compact { padding: 56px 0; }
.band-navy { background: var(--navy); color: #fff; }
.section-head { max-width: 720px; }
.section-head .h2 { margin-top: 14px; }
.section-head p { margin-top: 14px; }

/* ─── Hero ───────────────────────────────────────────────────────── */
.hero { background: var(--navy); color: #fff; position: relative; overflow: hidden; }
.hero .wrap { padding-top: 82px; padding-bottom: 82px; position: relative; z-index: 1; }
.hero-glow {
  position: absolute; width: 520px; height: 520px; top: -160px; right: -120px; z-index: 0;
  background: radial-gradient(circle, rgba(43,184,240,.16), transparent 68%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 470px 1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: 50px; line-height: 1.06; letter-spacing: -0.032em; color: #fff; margin: 16px 0; }
.hero .lead { color: var(--on-navy-body); margin-bottom: 26px; }
.hero-note {
  margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12);
  font-family: var(--mono); font-size: 12px; color: var(--on-navy-mono);
}

/* Screenshot window */
.window {
  background: var(--navy-console); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-window); overflow: hidden; box-shadow: var(--shadow-hero);
}
.window-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 15px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.window-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.18); }
.window-bar .label { font-family: var(--mono); font-size: 11px; color: var(--on-navy-dim); margin-left: 8px; }
.window-shot { display: block; width: 100%; height: 388px; object-fit: cover; object-position: top left; }

/* ─── Trust strip ────────────────────────────────────────────────── */
.trust { background: var(--navy-deep); padding: 20px 0; }
.trust .wrap { display: flex; align-items: center; justify-content: center; gap: 22px; flex-wrap: wrap; }
.trust span { font-family: var(--mono); font-size: 12px; color: var(--on-navy-mono); }
.trust .div { width: 1px; height: 13px; background: rgba(255,255,255,.16); }

/* ─── Cards ──────────────────────────────────────────────────────── */
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.feature-card { padding: 30px; display: flex; flex-direction: column; gap: 13px; }
.feature-card .h3 { margin: 0; }
.feature-card p { color: var(--body); font-size: 14.5px; line-height: 1.6; }

/* Two-column media section */
.split { display: grid; grid-template-columns: 400px 1fr; gap: 52px; align-items: center; }
.split.reverse { grid-template-columns: 1fr 400px; }
.figure {
  border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden;
  background: #fff; box-shadow: var(--shadow-card);
}
.figure img { width: 100%; height: auto; }
.figure.on-navy { box-shadow: var(--shadow-band); border-color: rgba(255,255,255,.1); }
.figcaption { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 12px; }

/* Fact list (dividers) */
.facts { display: flex; flex-direction: column; gap: 0; }
.facts .fact { padding: 14px 0; border-top: 1px solid var(--border); }
.facts .fact:last-child { border-bottom: 1px solid var(--border); }
.fact .k { font-weight: 600; font-size: 14.5px; }
.fact .v { color: var(--body); font-size: 13.5px; }

/* Bulleted list with cyan ticks */
.ticks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.ticks li { position: relative; padding-left: 26px; color: var(--body-list); font-size: 15px; line-height: 1.55; }
.ticks li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--cyan); font-weight: 700;
}

/* ─── Panels / split card ────────────────────────────────────────── */
.panel { padding: 38px; }
.panel-raised { background: var(--paper-raised); }

/* ─── Data table ─────────────────────────────────────────────────── */
.table-card { overflow: hidden; }
table.data { width: 100%; border-collapse: collapse; }
table.data thead th {
  background: var(--paper-raised); border-bottom: 1px solid var(--border-inner);
  padding: 14px 24px; text-align: left; font-family: var(--mono); font-size: 11px;
  font-weight: 500; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted);
}
table.data tbody td { padding: 16px 24px; border-bottom: 1px solid var(--border-row); font-size: 14.5px; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td.k { font-weight: 500; }
table.data td.d { color: var(--body); font-size: 13.5px; }
table.data td.c { text-align: center; }
.tick { color: var(--cyan); font-weight: 700; }
.dash { color: var(--placeholder); }

/* ─── FAQ ────────────────────────────────────────────────────────── */
.faq { max-width: 760px; }
.faq details { border-top: 1px solid var(--border); }
.faq details:last-child { border-bottom: 1px solid var(--border); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 0; display: flex; justify-content: space-between;
  align-items: center; font-weight: 600; font-size: 15.5px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 20px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details > p { padding: 0 0 20px; color: var(--body); font-size: 14.5px; line-height: 1.62; max-width: 640px; }

/* ─── Forms ──────────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-size: 12.5px; font-weight: 500; color: var(--body); }
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: 14px; color: var(--ink);
  border: 1px solid var(--input-border); border-radius: var(--radius-btn);
  padding: 13px 14px; background: #fff; width: 100%;
}
.field textarea { min-height: 104px; resize: vertical; }
.field ::placeholder { color: var(--placeholder); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.chip {
  border: 1px solid var(--input-border); border-radius: 999px; padding: 8px 16px;
  font-size: 13px; color: var(--body); cursor: pointer; background: #fff;
}
.chip.active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ─── Footer ─────────────────────────────────────────────────────── */
.site-footer { background: var(--navy-deep); color: var(--on-navy-body); padding: 44px 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .wordmark { color: #fff; }
.footer-addr { font-family: var(--mono); font-size: 12px; color: var(--on-navy-muted); margin-top: 14px; line-height: 1.7; }
.footer-col h4 { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--on-navy-label); font-weight: 500; margin-bottom: 14px; }
.footer-col a, .footer-col span { display: block; color: var(--on-navy-nav); font-size: 14px; margin-bottom: 10px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 36px; padding-top: 20px; font-family: var(--mono); font-size: 12px; color: var(--on-navy-muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-inner .links { display: flex; gap: 22px; }
.footer-inner .links a { color: var(--on-navy-nav); font-size: 14px; }

/* ─── Utility ────────────────────────────────────────────────────── */
.center { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-14 { margin-top: 14px; } .mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; } .mt-56 { margin-top: 56px; }
.pill { display: inline-block; font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; padding: 4px 8px; border-radius: 4px; background: rgba(43,184,240,.12); color: var(--cyan-dark); }

/* ─── Responsive (mobile ≤ 860px) ────────────────────────────────── */
@media (max-width: 860px) {
  :root { --gutter: 20px; }
  .site-header .wrap { padding: 14px 20px; }
  .nav, .header-cta .signin, .header-cta .btn { display: none; }
  .nav.nav-open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0; z-index: 50;
    flex-direction: column; gap: 0; background: var(--navy); padding: 6px 20px 16px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav.nav-open a { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .hamburger { display: block; }
  .wordmark { font-size: 12px; }

  .section, .section-med, .section-compact { padding: 42px 0; }
  .hero .wrap { padding: 44px 0; }
  .hero-grid, .split, .split.reverse { grid-template-columns: 1fr; gap: 28px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .field-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .hero h1 { font-size: 33px; line-height: 1.10; }
  .h1 { font-size: 30px; line-height: 1.12; }
  .h2, .h2-lg { font-size: 25px; line-height: 1.17; }
  .h3 { font-size: 18px; line-height: 1.28; }
  body { font-size: 14.5px; }
  .window-shot { height: 220px; }
  .btn { width: 100%; padding: 15px; font-size: 15px; }
  .btn-row { flex-direction: column; }
  .trust .wrap { flex-direction: column; gap: 10px; }
  .trust .div { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}