/* ============================================================================
   Nrth AI — shared design system (v2)
   Single source of truth for tokens + every component style.
   Values ported verbatim from the v1 design (src/Sections.jsx inline styles
   and the index.html <style> block) so v2 is visually indistinguishable.
   ========================================================================== */

:root {
  --bg: #0a0a0b;
  --bg-2: #111114;
  --fg: #f5f2ec;
  --fg-dim: #a8a49c;
  --fg-faint: #5c5a55;
  --line: rgba(245, 242, 236, 0.08);
  --line-2: rgba(245, 242, 236, 0.14);
  --accent: #ff8a5b;
  --accent-deep: #2a9fc4;
  --warn: #ff8a5b;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  --maxw: 1360px;
}

html[data-theme="light"] {
  --bg: #f5f2ec;
  --bg-2: #ebe7df;
  --fg: #0a0a0b;
  --fg-dim: #4a4842;
  --fg-faint: #8a8680;
  --line: rgba(10, 10, 11, 0.1);
  --line-2: rgba(10, 10, 11, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "ss02", "cv11";
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

/* Film-grain overlay — identical to v1 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

::selection { background: var(--accent); color: #000; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* Accessible focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ───────── Logo ───────── */
.logo { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.logo-mark {
  font-family: "Satoshi", ui-sans-serif, system-ui, sans-serif;
  font-weight: 900; font-size: 19px; color: var(--accent);
  letter-spacing: -0.04em; line-height: 1;
}
.logo-word {
  font-family: "Satoshi", var(--sans);
  font-weight: 700; font-size: 15px; letter-spacing: -0.02em; color: var(--fg);
}

/* ───────── Nav ───────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-right {
  display: flex; gap: 28px; align-items: center;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-dim);
}
.nav-link { color: var(--fg-dim); transition: color 0.15s; }
.nav-link:hover { color: var(--fg); }
.nav-link[aria-current="page"] { color: var(--fg); }
.nav-cta {
  border: 1px solid var(--accent); color: var(--accent);
  padding: 8px 14px; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase; transition: all 0.18s;
}
.nav-cta:hover { background: var(--accent); color: #000; }

/* Mobile menu toggle (hidden on desktop) */
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  padding: 8px; margin: -8px -6px -8px 0; color: var(--fg); line-height: 0;
}
.nav-toggle .bar {
  display: block; width: 22px; height: 2px; background: currentColor;
  border-radius: 2px; transition: transform 0.22s, opacity 0.22s;
}
.nav-toggle .bar + .bar { margin-top: 5px; }
body.nav-open .nav-toggle .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle .bar:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ───────── Eyebrows ───────── */
.eyebrow {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--fg-dim);
  display: flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 99px;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
}
.kicker {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--fg-dim);
}
.kicker .star, .star { color: var(--accent); }

/* ───────── Buttons / links ───────── */
.btn {
  display: inline-block; background: var(--accent); color: #000;
  padding: 16px 26px; font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 40px -8px var(--accent); }
.btn-ghost {
  display: inline-block; align-self: flex-start; background: transparent;
  border: 1px solid var(--accent); color: var(--accent);
  padding: 10px 16px; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase; transition: all 0.15s; cursor: pointer;
}
.btn-ghost:hover { background: var(--accent); color: #000; }
.link-arrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fg-dim);
  border-bottom: 1px solid var(--line-2); padding-bottom: 3px;
  transition: color 0.15s, border-color 0.15s;
}
.link-arrow:hover { color: var(--fg); border-color: var(--fg); }

/* ───────── Hero ───────── */
.hero {
  min-height: 100vh; padding: 140px 32px 80px;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px;
  align-items: center; max-width: var(--maxw); margin: 0 auto; position: relative;
}
.hero .eyebrow { margin-bottom: 32px; }
.hero h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(56px, 7.2vw, 112px); line-height: 0.96;
  letter-spacing: -0.02em; margin-bottom: 28px;
}
.hero h1 em { color: var(--accent); font-style: italic; }
.lede { font-size: 19px; line-height: 1.5; color: var(--fg-dim); max-width: 520px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

/* Hero sub-tagline (product signal added in v2) */
.hero-subtag {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--fg-dim); margin-bottom: 24px; max-width: 520px; line-height: 1.6;
}
.hero-subtag .star { margin-right: 8px; }

/* Hero visual (canvas) */
.hero-visual { position: relative; width: 100%; aspect-ratio: 1 / 1; max-width: 560px; margin: 0 auto; }
.hero-visual canvas { width: 100%; height: 100%; display: block; }
.visual-tick { position: absolute; width: 12px; height: 12px; border-color: var(--line-2); border-style: solid; }
.visual-tick.tl { top: 0; left: 0; border-width: 1px 0 0 1px; }
.visual-tick.tr { top: 0; right: 0; border-width: 1px 1px 0 0; }
.visual-tick.bl { bottom: 0; left: 0; border-width: 0 0 1px 1px; }
.visual-tick.br { bottom: 0; right: 0; border-width: 0 1px 1px 0; }
.visual-label {
  position: absolute; top: 14px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
}
.visual-label.live { left: 14px; color: var(--fg-dim); }
.visual-label.run { right: 14px; color: var(--fg-faint); }
.visual-label .dot { color: var(--accent); }

.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--fg-faint);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.scroll-cue .line { width: 1px; height: 28px; background: linear-gradient(180deg, var(--fg-faint), transparent); }

/* ───────── Marquee ───────── */
.marquee {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 18px 0; overflow: hidden; background: var(--bg-2);
}
.marquee-track {
  display: flex; gap: 48px; white-space: nowrap; animation: scroll 45s linear infinite;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-dim);
}
.marquee-track span { display: inline-flex; align-items: center; gap: 48px; }
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-33.333%); } }

/* ───────── Section + header ───────── */
.section { padding: 140px 32px; max-width: var(--maxw); margin: 0 auto; }
.section--bordered { border-top: 1px solid var(--line); }
/* Offset in-page anchor jumps so targets clear the fixed nav */
section[id], [id].section { scroll-margin-top: 90px; }
.section-header {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  border-bottom: 1px solid var(--line); padding-bottom: 32px;
}
.section-header h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(48px, 5.6vw, 84px); line-height: 0.98; letter-spacing: -0.02em;
  text-align: center;
}
.section-header h2 em { color: var(--accent); font-style: italic; white-space: nowrap; }

/* ───────── Card grids (Work) ───────── */
.card-grid {
  display: grid; gap: 2px; margin-top: 64px;
  background: var(--line); border: 1px solid var(--line);
}
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--bg); padding: 40px 32px 36px;
  display: flex; flex-direction: column; gap: 24px; min-height: 380px;
  position: relative; transition: background 0.25s;
}
.card:hover { background: var(--bg-2); }
.card-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-faint);
}
.card-head .tag { color: var(--fg-dim); transition: color 0.25s; }
.card:hover .card-head .tag, .service-card:hover .card-head .tag { color: var(--accent); }
.card h3 {
  font-family: var(--serif); font-weight: 400; font-size: 36px;
  line-height: 1.05; letter-spacing: -0.01em;
}
.card > p { font-size: 15px; line-height: 1.55; color: var(--fg-dim); flex: 1; }
.card-metric {
  display: flex; align-items: baseline; gap: 10px;
  padding-top: 20px; border-top: 1px solid var(--line);
}
.card-metric .value { font-family: var(--serif); font-size: 32px; color: var(--accent); letter-spacing: -0.02em; }
.card-metric .label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-faint);
}
/* Mono tagline footer for feature/why cards (pushed to card bottom) */
.card-foot {
  margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-faint);
}
/* Compact card variant (home teasers) */
.card--compact { min-height: 0; padding: 32px 28px; gap: 16px; }
.card--compact h3 { font-size: 28px; }
/* "See all →" style link below a section grid */
.section-more { margin-top: 36px; }

/* ───────── Process ───────── */
.process-grid {
  margin-top: 80px; display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line); list-style: none; padding: 0;
}
.process-step { background: var(--bg); padding: 40px 32px; min-height: 260px; position: relative; }
.process-step .numeral {
  font-family: var(--serif); font-style: italic; font-size: 64px;
  color: var(--accent); line-height: 1; margin-bottom: 24px;
}
.process-step .step-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-dim); margin-bottom: 14px;
}
.process-step p { font-size: 16px; line-height: 1.55; color: var(--fg); max-width: 340px; }

/* ───────── Service cards ───────── */
.service-card {
  background: var(--bg); padding: 44px 36px 40px;
  display: flex; flex-direction: column; gap: 22px;
  position: relative; transition: background 0.25s;
}
.service-card:hover { background: var(--bg-2); }
.service-card h3 {
  font-family: var(--serif); font-weight: 400; font-size: 38px;
  line-height: 1.05; letter-spacing: -0.01em;
}
.service-card .desc { font-size: 15px; line-height: 1.6; color: var(--fg-dim); }
.included-label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-dim); margin-bottom: 12px;
}
.included { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.included li {
  font-size: 14.5px; line-height: 1.5; color: var(--fg);
  display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: baseline;
}
.included li .arrow { color: var(--accent); font-family: var(--mono); font-size: 13px; }
.service-meta-group {
  margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line);
  display: grid; gap: 14px;
}
.service-meta { display: grid; grid-template-columns: 140px 1fr; gap: 16px; align-items: baseline; }
.service-meta .label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fg-faint);
}
.service-meta .value { font-size: 14px; line-height: 1.5; color: var(--fg-dim); }

/* ───────── CTA / Contact ───────── */
.cta-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.cta-left { position: sticky; top: 120px; }
.cta-left .kicker { margin-bottom: 28px; }
.cta-left h1, .cta-left h2 {
  font-family: var(--serif); font-weight: 400; font-size: clamp(56px, 6.4vw, 92px);
  line-height: 0.98; letter-spacing: -0.02em; margin-bottom: 28px;
}
.cta-left h1 em, .cta-left h2 em { color: var(--accent); font-style: italic; }
.cta-left .lede { font-size: 18px; line-height: 1.55; color: var(--fg-dim); max-width: 460px; margin-bottom: 28px; }
.cta-contact {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  color: var(--fg-faint); display: grid; gap: 6px;
}
.cta-contact a { color: var(--fg); border-bottom: 1px solid var(--line-2); }

/* ───────── Brief panel + form ───────── */
.brief-panel {
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0));
  display: flex; flex-direction: column; min-height: 520px;
}
.brief-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-dim);
}
.brief-head .left { display: flex; align-items: center; gap: 10px; }
.brief-head .pdot {
  width: 7px; height: 7px; border-radius: 99px; background: var(--accent);
  box-shadow: 0 0 10px var(--accent); animation: pulse 2s ease-in-out infinite; display: inline-block;
}
.brief-head .ver { color: var(--fg-faint); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.brief-form { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 16px; }
.brief-form .lbl {
  display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-dim); margin-bottom: 6px;
}
.brief-form .req { color: var(--accent); }
.brief-form input, .brief-form textarea, .brief-form select {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line-2);
  color: var(--fg); font: inherit; font-size: 15px; padding: 8px 0 10px;
  outline: 0; transition: border-color 0.18s; font-family: var(--sans);
}
.brief-form textarea { resize: vertical; min-height: 88px; line-height: 1.5; }
.brief-form select {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-dim) 50%), linear-gradient(135deg, var(--fg-dim) 50%, transparent 50%);
  background-position: calc(100% - 14px) 16px, calc(100% - 9px) 16px;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 28px;
}
.brief-form input::placeholder, .brief-form textarea::placeholder { color: var(--fg-faint); }
.brief-form input:focus, .brief-form textarea:focus, .brief-form select:focus { border-bottom-color: var(--accent); }
.brief-form option { background: var(--bg-2); color: var(--fg); }
.brief-submit {
  margin-top: 6px; align-self: flex-start; background: var(--accent); color: #000;
  padding: 14px 22px; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.18em;
  text-transform: uppercase; font-weight: 500; transition: transform 0.15s, box-shadow 0.15s; cursor: pointer; border: 0;
}
.brief-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 40px -8px var(--accent); }
.brief-submit[disabled] { background: var(--fg-faint); cursor: not-allowed; transform: none; box-shadow: none; }
.brief-note {
  margin-top: 4px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em;
  color: var(--fg-faint); line-height: 1.5;
}
.brief-error {
  margin-top: 4px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em;
  color: var(--warn); line-height: 1.5;
}
/* Confirmation state (toggled by brief-form.js) */
.brief-sent { flex: 1; padding: 56px 28px; display: none; flex-direction: column; justify-content: center; gap: 22px; }
.brief-sent h3 { font-family: var(--serif); font-weight: 400; font-size: 36px; line-height: 1.05; letter-spacing: -0.01em; }
.brief-sent h3 em { color: var(--accent); font-style: italic; }
.brief-sent p { color: var(--fg-dim); font-size: 16px; line-height: 1.55; max-width: 420px; }
.brief-sent strong { color: var(--fg); }
.brief-panel.is-sent .brief-form { display: none; }
.brief-panel.is-sent .brief-sent { display: flex; }

/* ───────── Footer ───────── */
.site-footer {
  border-top: 1px solid var(--line); padding: 40px 32px;
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px;
  max-width: var(--maxw); margin: 0 auto;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-faint);
}
.site-footer .center { text-align: center; }
.site-footer .right { text-align: right; }
.footer-investors {
  display: inline-block; margin-top: 10px; color: var(--fg-faint);
  border-bottom: 1px solid var(--line-2); padding-bottom: 2px;
  transition: color 0.15s, border-color 0.15s;
}
.footer-investors:hover { color: var(--accent); border-color: var(--accent); }

/* ───────── Simple page hero (stubs / interior pages) ───────── */
.page-hero { max-width: var(--maxw); margin: 0 auto; padding: 180px 32px 120px; }
.page-hero .eyebrow { margin-bottom: 28px; }
.page-hero h1 {
  font-family: var(--serif); font-weight: 400; font-size: clamp(56px, 6.4vw, 96px);
  line-height: 0.98; letter-spacing: -0.02em; margin-bottom: 24px;
}
.page-hero h1 em { color: var(--accent); font-style: italic; }
.page-hero .lede { font-size: 19px; color: var(--fg-dim); max-width: 600px; }
.page-note {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-faint); margin-top: 44px;
  display: flex; align-items: center; gap: 10px;
}

/* ───────── Interior section head (stacked: kicker + h2 + lead) ───────── */
.sec-head { max-width: 64ch; }
.sec-head .kicker { margin-bottom: 18px; display: inline-block; }
.sec-head h2 {
  font-family: var(--serif); font-weight: 400; font-size: clamp(40px, 5vw, 68px);
  line-height: 0.98; letter-spacing: -0.02em; margin-bottom: 18px;
}
.sec-head h2 em { color: var(--accent); font-style: italic; }
.sec-head p { font-size: 18px; color: var(--fg-dim); line-height: 1.5; }
.section-intro { font-size: 18px; color: var(--fg-dim); line-height: 1.55; max-width: 70ch; margin-top: 28px; }

/* In-section sub-part (used when a big section groups several blocks) */
.subsec { margin-top: 96px; }
.subsec-head { margin-bottom: 36px; }
.subsec-head .lbl {
  display: block; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--fg-dim); margin-bottom: 18px;
}
.subsec-head .lbl .star { color: var(--accent); }
.subsec-head h3 {
  font-family: var(--serif); font-weight: 400; font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.0; letter-spacing: -0.015em;
}
.subsec-head h3 em { color: var(--accent); font-style: italic; }

/* ───────── OS stack (layered diagram: Setup / Workflows / Agents / Skills) ───────── */
.os-stack {
  display: grid; gap: 2px; margin-top: 48px;
  background: var(--line); border: 1px solid var(--line);
}
.os-layer {
  background: var(--bg); padding: 30px 32px;
  display: grid; grid-template-columns: 240px 1fr; gap: 32px; align-items: baseline;
  transition: background 0.25s;
}
.os-layer:hover { background: var(--bg-2); }
.os-layer .layer-id {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-faint); display: block; margin-bottom: 10px;
}
.os-layer .layer-name { font-family: var(--serif); font-weight: 400; font-size: 30px; line-height: 1.05; letter-spacing: -0.01em; }
.os-layer p { font-size: 15px; line-height: 1.6; color: var(--fg-dim); }
.os-layer p strong { color: var(--fg); font-weight: 500; }

/* ───────── Callout panel (early access / highlighted) ───────── */
.callout {
  margin-top: 48px; border: 1px solid var(--line-2); border-left: 3px solid var(--accent);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0));
  padding: 40px 44px;
}
.callout .kicker { margin-bottom: 16px; display: inline-block; }
.callout h3 { font-family: var(--serif); font-weight: 400; font-size: 32px; line-height: 1.05; letter-spacing: -0.01em; margin-bottom: 16px; }
.callout h3 em { color: var(--accent); font-style: italic; }
.callout p { font-size: 16px; line-height: 1.6; color: var(--fg-dim); max-width: 72ch; margin-bottom: 22px; }
.callout .actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ───────── Roadmap timeline ───────── */
.roadmap { position: relative; margin-top: 48px; }
.roadmap::before { content: ""; position: absolute; left: 15px; top: 6px; bottom: 6px; width: 1px; background: var(--line-2); }
.tl-item { position: relative; padding: 0 0 36px 52px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item .tl-dot {
  position: absolute; left: 9px; top: 4px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
}
.tl-item.soft .tl-dot { border-color: var(--line-2); }
.tl-item .when { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.14em; text-transform: uppercase; }
.tl-item.soft .when { color: var(--fg-faint); }
.tl-item h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; margin: 8px 0; line-height: 1.05; }
.tl-item p { font-size: 15px; color: var(--fg-dim); max-width: 62ch; line-height: 1.55; }

/* ───────── Closing CTA band (interior pages) ───────── */
.cta-band { max-width: var(--maxw); margin: 0 auto; padding: 0 32px 140px; }
.cta-band .inner {
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0));
  padding: 56px;
}
.cta-band h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(32px, 4.4vw, 56px); line-height: 0.98; letter-spacing: -0.02em; margin-bottom: 18px; }
.cta-band h2 em { color: var(--accent); font-style: italic; }
.cta-band p { font-size: 18px; color: var(--fg-dim); line-height: 1.5; margin-bottom: 30px; max-width: 60ch; }
.cta-band .actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ───────── Stat row (work outcomes) ───────── */
.stat-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 48px;
  background: var(--line); border: 1px solid var(--line);
}
.stat-cell { background: var(--bg); padding: 36px 32px; }
.stat-cell .big { font-family: var(--serif); font-weight: 400; font-size: 64px; color: var(--accent); letter-spacing: -0.02em; line-height: 1; }
.stat-cell .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-faint); margin-top: 16px; }
.stat-cell p { font-size: 15px; color: var(--fg-dim); line-height: 1.55; margin-top: 16px; }

/* ───────── Team ───────── */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; margin-top: 48px; background: var(--line); border: 1px solid var(--line); }
.member { background: var(--bg); padding: 40px 36px; transition: background 0.25s; }
.member:hover { background: var(--bg-2); }
.member .avatar {
  width: 52px; height: 52px; background: var(--bg-2); color: var(--accent); border: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 24px; margin-bottom: 22px;
}
.member h3 { font-family: var(--serif); font-weight: 400; font-size: 30px; line-height: 1.05; margin-bottom: 6px; }
.member .role { font-family: var(--mono); font-size: 11.5px; color: var(--accent); margin-bottom: 18px; letter-spacing: 0.08em; text-transform: uppercase; }
.member p { font-size: 14.5px; color: var(--fg-dim); margin-bottom: 18px; line-height: 1.55; }
.member .tags { display: flex; flex-wrap: wrap; gap: 8px; }
.member .tags span { font-family: var(--mono); font-size: 10.5px; background: var(--bg-2); border: 1px solid var(--line); padding: 5px 10px; color: var(--fg-dim); letter-spacing: 0.06em; text-transform: uppercase; }

@media (max-width: 1024px) {
  .os-layer { grid-template-columns: 180px 1fr; gap: 24px; }
  .cta-band { padding: 0 24px 100px; }
  .cta-band .inner { padding: 40px 28px; }
}
@media (max-width: 720px) {
  .os-layer { grid-template-columns: 1fr; gap: 10px; padding: 26px 24px; }
  .stat-row { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .callout { padding: 28px 24px; }
  .cta-band { padding: 0 20px 80px; }
  .cta-band .inner { padding: 32px 24px; }
}

/* ============================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .site-nav { padding: 16px 24px; }
  .nav-right { gap: 18px; }

  .hero { padding: 120px 24px 60px; grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: clamp(48px, 8vw, 80px); }

  .section { padding: 100px 24px; }
  .card-grid--3, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--2 { grid-template-columns: 1fr; }

  .cta-grid { grid-template-columns: 1fr; gap: 48px; }
  .cta-left { position: static; }

  .site-footer { padding: 32px 24px; }
  .page-hero { padding: 150px 24px 100px; }
}

@media (max-width: 720px) {
  html, body { font-size: 15px; }

  .site-nav { padding: 14px 18px; }
  .nav-toggle { display: block; }
  .nav-right {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg);
    -webkit-backdrop-filter: blur(16px) saturate(140%); backdrop-filter: blur(16px) saturate(140%);
    border-bottom: 1px solid var(--line-2);
    box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.6);
    padding: 4px 18px 18px; display: none;
  }
  body.nav-open .nav-right { display: flex; }
  .nav-link { padding: 14px 2px; border-bottom: 1px solid var(--line); font-size: 13px; }
  .nav-cta { margin-top: 16px; text-align: center; padding: 14px; font-size: 11px; letter-spacing: 0.16em; }
  .subsec { margin-top: 64px; }
  .subsec-head { margin-bottom: 28px; }

  .hero { padding: 110px 20px 60px; min-height: auto; }
  .hero h1 { font-size: clamp(40px, 11vw, 64px); line-height: 1; }
  .lede { font-size: 16px; }
  .scroll-cue { display: none; }

  .section { padding: 80px 20px; }
  .section-header { grid-template-columns: 1fr; gap: 16px; }
  .section-header h2 { font-size: clamp(40px, 10vw, 60px); }

  .card-grid--3, .card-grid--2, .process-grid { grid-template-columns: 1fr; }
  .card { min-height: auto; padding: 32px 24px; }
  .card h3 { font-size: 28px; }
  .service-card { padding: 32px 24px; }
  .service-card h3 { font-size: 30px; }

  .cta-left h2 { font-size: clamp(40px, 10vw, 60px); }

  .site-footer { grid-template-columns: 1fr; gap: 12px; text-align: left; }
  .site-footer .center, .site-footer .right { text-align: left; }

  .page-hero { padding: 130px 20px 90px; }
  .page-hero h1 { font-size: clamp(40px, 10vw, 60px); }
}

@media (hover: none) {
  .nav-link:hover { color: var(--fg-dim); }
}