/* ============================================================
   4Chain Consulting — Hi-Fi Site (v1 Apple-style)
   ============================================================ */

:root {
  --bg: #FAFAF7;
  --bg-elev: #FFFFFF;
  --bg-alt: #F1F1EC;
  --ink: #1A1F3A;
  --ink-soft: #2A3052;
  --mute: #6B6B6F;
  --line: #E5E5DF;
  --line-soft: #EFEFEA;
  --accent: #3656B8;
  --accent-soft: oklch(0.55 0.15 265 / 0.10);
  --accent-ink: oklch(0.32 0.13 265);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --pad-section: 160px;
  --pad-x: clamp(24px, 5vw, 80px);
  --maxw: 1320px;
  --t-fast: 200ms cubic-bezier(.2,.7,.3,1);
  --t-med: 420ms cubic-bezier(.2,.7,.3,1);
  --t-slow: 700ms cubic-bezier(.2,.7,.3,1);
  --font-display: "Inter Tight", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

[data-theme="dark"] {
  --bg: #0B0B0C;
  --bg-elev: #131315;
  --bg-alt: #18181A;
  --ink: #F4F4F0;
  --ink-soft: #DCDCD7;
  --mute: #8A8A8E;
  --line: #26262A;
  --line-soft: #1C1C1F;
}

[data-density="compact"] { --pad-section: 110px; }
[data-density="cozy"]    { --pad-section: 160px; }
[data-density="airy"]    { --pad-section: 220px; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  transition: background var(--t-med), color var(--t-med);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { background: var(--accent); color: #fff; }

.shell { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }
.section { padding-top: var(--pad-section); padding-bottom: var(--pad-section); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--mute); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0;
  color: var(--ink);
}
h1 { font-size: clamp(48px, 7.5vw, 112px); letter-spacing: -0.035em; }
h2 { font-size: clamp(36px, 4.6vw, 68px); letter-spacing: -0.03em; }
h3 { font-size: clamp(22px, 1.9vw, 30px); letter-spacing: -0.02em; line-height: 1.15; }
h4 { font-size: 18px; letter-spacing: -0.01em; }

p { margin: 0; color: var(--ink-soft); }
.lead { font-size: clamp(18px, 1.4vw, 22px); color: var(--ink-soft); line-height: 1.5; max-width: 56ch; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px; border-radius: 999px; font-weight: 500; font-size: 15px; letter-spacing: -0.005em; border: 1px solid transparent; cursor: pointer; transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast), border-color var(--t-fast); white-space: nowrap; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-link { padding: 0; background: transparent; color: var(--ink); border-bottom: 1px solid currentColor; border-radius: 0 !important; }
.btn-link:hover { color: var(--accent); }
.arrow { width: 14px; height: 14px; transition: transform var(--t-fast); }
.btn:hover .arrow { transform: translate(2px, -2px); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in oklch, var(--bg) 75%, transparent); backdrop-filter: saturate(160%) blur(18px); -webkit-backdrop-filter: saturate(160%) blur(18px); border-bottom: 1px solid transparent; transition: border-color var(--t-fast), background var(--t-fast); }
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 104px; gap: 48px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; font-size: 18px; white-space: nowrap; flex: 0 0 auto; }
.logo-mark { width: 26px; height: 26px; border-radius: 7px; background: var(--ink); color: var(--bg); display: grid; place-items: center; font-family: var(--font-display); font-size: 13px; font-weight: 600; letter-spacing: -0.04em; }
.nav-links { display: flex; gap: 44px; align-items: center; }
.nav-links a { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink); transition: color var(--t-fast); }
.nav-links a:hover { color: var(--accent); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-cta .btn { padding: 10px 22px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }
.nav-burger { display: none; background: none; border: 0; padding: 12px 8px; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-burger span { display: block; width: 22px; height: 2px; background: var(--ink); transition: transform var(--t-fast), opacity var(--t-fast); }
.nav.is-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 980px) {
  .nav-burger { display: flex; }
  .nav-cta .btn-ghost { display: none; }
  .nav-inner { height: 80px; gap: 16px; }
  .nav .nav-links { position: fixed; top: 80px; left: 0; right: 0; bottom: 0; background: var(--bg); flex-direction: column; align-items: flex-start; justify-content: flex-start; padding: 40px 28px; gap: 28px; transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity var(--t-base), transform var(--t-base); display: flex; }
  .nav .nav-links a { font-size: 18px; letter-spacing: 0.04em; text-transform: none; font-family: var(--font-display); }
  .nav.is-open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
}

/* Hero */
.hero { min-height: 92vh; padding-top: 80px; padding-bottom: 80px; display: grid; align-content: center; position: relative; overflow: hidden; }
.hero-eyebrow { margin-bottom: 32px; }
.hero h1 { max-width: 16ch; }
.hero h1 .accent { display: inline-block; font-style: italic; font-family: var(--font-display); font-weight: 400; color: var(--accent); }
.hero-sub { margin-top: 64px; max-width: 52ch; font-size: clamp(18px, 1.35vw, 22px); color: var(--ink-soft); line-height: 1.5; }
.hero-cta { margin-top: 48px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta { margin-top: 80px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; border-top: 1px solid var(--line); padding-top: 32px; }
.hero-meta-item .num { font-family: var(--font-display); font-size: clamp(28px, 2.4vw, 40px); font-weight: 500; letter-spacing: -0.025em; color: var(--ink); }
.hero-meta-item .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); margin-top: 6px; }

.hero[data-layout="split"] { display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: center; }
.hero[data-layout="split"] .hero-visual { display: block; }
.hero[data-layout="split"] .hero-meta { grid-column: 1 / -1; }
.hero[data-layout="centered"] { text-align: center; justify-items: center; }
.hero[data-layout="centered"] .hero-sub { margin-left: auto; margin-right: auto; max-width: 60ch; }
.hero[data-layout="centered"] .hero-cta { justify-content: center; }
.hero[data-layout="centered"] .eyebrow::before { display: none; }
.hero[data-layout="centered"] .eyebrow { gap: 0; }
.hero[data-layout="centered"] .hero-meta { width: 100%; max-width: 960px; }
.hero[data-layout="editorial"] .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; }
.hero[data-layout="editorial"] h1 { font-size: clamp(56px, 9vw, 144px); line-height: 0.96; }
.hero-visual { display: none; }

/* Placeholder */
.ph { position: relative; background: repeating-linear-gradient(135deg, var(--line-soft) 0 1px, transparent 1px 14px), var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; display: grid; place-items: center; color: var(--mute); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.ph::after { content: attr(data-label); background: var(--bg); padding: 6px 10px; border: 1px solid var(--line); border-radius: 4px; }

/* Trust */
.trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px 0; background: var(--bg); display: flex; flex-direction: column; gap: 0; }
.trust > .shell { display: flex; flex-direction: column; gap: 0; }
.trust-row { display: flex; align-items: center; gap: 40px; flex-wrap: nowrap; padding: 14px 0; }
.trust-row + .trust-row { border-top: 1px solid var(--line-soft); }
.trust-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mute); flex: 0 0 auto; min-width: 168px; }
.trust-marquee { flex: 1 1 auto; overflow: hidden; mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); }
.trust-track { display: inline-flex; gap: 56px; align-items: center; padding-left: 56px; animation: trustScroll 38s linear infinite; will-change: transform; }
.trust-track-reverse { animation: trustScrollReverse 44s linear infinite; }
.trust-marquee:hover .trust-track { animation-play-state: paused; }
.trust-logo { font-family: var(--font-display); font-weight: 500; font-size: 18px; letter-spacing: -0.02em; color: var(--mute); white-space: nowrap; flex: 0 0 auto; }
@keyframes trustScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes trustScrollReverse { from { transform: translateX(-50%); } to { transform: translateX(0); } }
@media (prefers-reduced-motion: reduce) { .trust-track { animation: none; } }
@media (max-width: 720px) {
  .trust-row { flex-direction: column; align-items: flex-start; gap: 12px; padding: 18px 0; }
  .trust-marquee { width: 100%; }
  .trust-label { min-width: 0; }
}

/* Sectors */
.sectors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sector { padding: 56px 36px 48px; border-right: 1px solid var(--line); cursor: pointer; transition: background var(--t-med); display: flex; flex-direction: column; gap: 24px; min-height: 460px; }
.sector:last-child { border-right: 0; }
.sector:hover { background: var(--bg-alt); }
.sector .num { font-family: var(--font-mono); font-size: 11px; color: var(--mute); letter-spacing: 0.08em; }
.sector h3 { font-size: clamp(24px, 2vw, 32px); }
.sector p { color: var(--mute); font-size: 15px; max-width: 38ch; }
.sector .roles { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.sector .role { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-top: 1px solid var(--line-soft); font-size: 14px; color: var(--ink-soft); transition: color var(--t-fast); }
.sector .role:hover { color: var(--accent); }

/* Statement */
.statement { padding: var(--pad-section) 0; }
.statement .quote { font-family: var(--font-display); font-weight: 400; font-size: clamp(32px, 4.4vw, 64px); line-height: 1.15; letter-spacing: -0.025em; max-width: 24ch; color: var(--ink); }
.statement .quote em { font-style: italic; color: var(--accent); }
.statement .meta { margin-top: 56px; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; border-top: 1px solid var(--line); padding-top: 32px; }

/* Process */
.process { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 0; margin-top: 64px; border-top: 1px solid var(--line); }
.step { padding: 36px 28px 36px 0; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 18px; min-height: 320px; }
.step:last-child { border-right: 0; }
.step .step-num { font-family: var(--font-display); font-size: 56px; font-weight: 400; letter-spacing: -0.04em; color: var(--accent); line-height: 1; }
.step h4 { font-size: 20px; }
.step p { color: var(--mute); font-size: 14px; line-height: 1.55; }
.step .timing { margin-top: auto; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); padding-top: 12px; border-top: 1px solid var(--line); }

/* Cases */
.cases-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 64px; }
.case { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: transform var(--t-med), box-shadow var(--t-med); cursor: pointer; }
.case:hover { transform: translateY(-4px); box-shadow: 0 24px 60px -32px rgba(0,0,0,0.18); }
.case .ph { border: 0; border-radius: 0; border-bottom: 1px solid var(--line); aspect-ratio: 16/10; }
.case-body { padding: 28px 28px 32px; }
.case-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); }
.case h3 { margin-top: 14px; font-size: 24px; }
.case-stats { margin-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; border-top: 1px solid var(--line-soft); padding-top: 18px; }
.case-stat .num { font-family: var(--font-display); font-size: 22px; font-weight: 500; letter-spacing: -0.02em; color: var(--ink); }
.case-stat .lbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); margin-top: 4px; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 64px; }
.member { display: flex; flex-direction: column; gap: 16px; }
.member .ph { aspect-ratio: 4/5; border-radius: var(--radius-md); }
.member-name { font-family: var(--font-display); font-size: 20px; font-weight: 500; letter-spacing: -0.015em; }
.member-role { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mute); margin-top: 2px; }
.member-meta { font-size: 13px; color: var(--ink-soft); margin-top: 8px; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.about-grid p { font-size: 18px; line-height: 1.6; color: var(--ink-soft); }
.about-grid p + p { margin-top: 18px; }
.principles { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px 36px; border-top: 1px solid var(--line); padding-top: 32px; }
.principle h4 { font-size: 16px; }
.principle p { font-size: 14px; color: var(--mute); margin-top: 8px; }

/* FAQ */
.faq-list { margin-top: 56px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 28px 0; cursor: pointer; font-family: var(--font-display); font-size: 22px; font-weight: 500; letter-spacing: -0.015em; background: transparent; border: 0; width: 100%; text-align: left; color: var(--ink); }
.faq-toggle { width: 32px; height: 32px; border-radius: 999px; border: 1px solid var(--line); display: grid; place-items: center; flex: 0 0 auto; transition: transform var(--t-med), background var(--t-fast), color var(--t-fast); }
.faq-item[data-open="true"] .faq-toggle { transform: rotate(45deg); background: var(--ink); color: var(--bg); border-color: var(--ink); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--t-med); color: var(--mute); max-width: 70ch; font-size: 16px; line-height: 1.6; }
.faq-item[data-open="true"] .faq-a { max-height: 280px; padding-bottom: 28px; }

/* Contact */
.contact { background: var(--ink); color: var(--bg); }
.contact h2 { color: var(--bg); max-width: 14ch; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px; }
.contact .lead { color: color-mix(in oklch, var(--bg) 80%, transparent); }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: color-mix(in oklch, var(--bg) 60%, transparent); }
.field input, .field select, .field textarea { background: transparent; border: 0; border-bottom: 1px solid color-mix(in oklch, var(--bg) 30%, transparent); padding: 12px 0; color: var(--bg); font: inherit; outline: none; transition: border-color var(--t-fast); }
.field input:focus, .field select:focus, .field textarea:focus { border-bottom-color: var(--accent); }
.field textarea { min-height: 100px; resize: vertical; font-family: inherit; }
.contact .btn-primary { background: var(--bg); color: var(--ink); align-self: flex-start; margin-top: 8px; }
.contact .btn-primary:hover { background: var(--accent); color: #fff; }

/* Contact tabs */
.contact-tabs { display: inline-flex; padding: 4px; border-radius: 999px; background: color-mix(in oklch, var(--bg) 12%, transparent); gap: 4px; }
.contact-tab { background: transparent; border: 0; color: color-mix(in oklch, var(--bg) 70%, transparent); padding: 10px 20px; border-radius: 999px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer; transition: all var(--t-fast); }
.contact-tab:hover { color: var(--bg); }
.contact-tab.is-active { background: var(--bg); color: var(--ink); }

/* Checkbox */
.checkbox { display: flex; gap: 12px; align-items: flex-start; margin-top: 8px; cursor: pointer; }
.checkbox input { margin-top: 4px; accent-color: var(--accent); width: 16px; height: 16px; flex: 0 0 auto; }
.checkbox span { font-size: 13px; line-height: 1.5; color: color-mix(in oklch, var(--bg) 75%, transparent); }
.checkbox span a { color: var(--bg); text-decoration: underline; }
.contact-form .checkbox span { color: color-mix(in oklch, var(--bg) 75%, transparent); }

/* File input — contact (dark) */
.contact-form input[type="file"] { color: color-mix(in oklch, var(--bg) 80%, transparent); font-size: 14px; padding: 12px 0; }
.contact-form input[type="file"]::file-selector-button { background: transparent; color: var(--bg); border: 1px solid color-mix(in oklch, var(--bg) 35%, transparent); padding: 8px 16px; border-radius: 999px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer; margin-right: 14px; transition: all var(--t-fast); }
.contact-form input[type="file"]::file-selector-button:hover { border-color: var(--accent); color: var(--accent); }

/* Apply Modal */
.modal-backdrop { position: fixed; inset: 0; background: color-mix(in oklch, var(--ink) 70%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); z-index: 100; display: grid; place-items: center; padding: 24px; animation: modalIn var(--t-base) ease both; }
.modal { background: var(--bg); color: var(--ink); border-radius: var(--radius-lg); padding: 56px 48px 48px; max-width: 580px; width: 100%; max-height: 90vh; overflow-y: auto; position: relative; box-shadow: 0 40px 80px -20px rgba(0,0,0,0.4); animation: modalSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) both; }
.modal-close { position: absolute; top: 20px; right: 24px; background: transparent; border: 0; font-size: 28px; line-height: 1; cursor: pointer; color: var(--mute); padding: 4px 10px; border-radius: 999px; transition: all var(--t-fast); }
.modal-close:hover { color: var(--ink); background: var(--bg-alt); }
.apply-form { display: flex; flex-direction: column; gap: 18px; margin-top: 28px; }
.apply-form .field label { color: var(--mute); }
.apply-form .field input, .apply-form .field select, .apply-form .field textarea { background: transparent; border: 0; border-bottom: 1px solid var(--line); padding: 12px 0; color: var(--ink); font: inherit; }
.apply-form .field input:focus, .apply-form .field select:focus, .apply-form .field textarea:focus { border-bottom-color: var(--accent); outline: 0; }
.apply-form .field textarea { min-height: 80px; resize: vertical; font-family: inherit; }
.apply-form input[type="file"]::file-selector-button { background: var(--bg-alt); color: var(--ink); border: 1px solid var(--line); padding: 8px 16px; border-radius: 999px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer; margin-right: 14px; transition: all var(--t-fast); }
.apply-form input[type="file"]::file-selector-button:hover { border-color: var(--accent); color: var(--accent); }
.apply-form .checkbox span { color: var(--mute); }
.apply-form .checkbox span a { color: var(--ink); }
.apply-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 640px) { .apply-row { grid-template-columns: 1fr; } .modal { padding: 48px 24px 32px; } }
@keyframes modalIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalSlideIn { from { opacity: 0; transform: translateY(20px) scale(0.98); } to { opacity: 1; transform: none; } }
.contact-side { display: flex; flex-direction: column; gap: 32px; }
.contact-block .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: color-mix(in oklch, var(--bg) 60%, transparent); margin-bottom: 8px; }
.contact-block .val { font-family: var(--font-display); font-size: 22px; font-weight: 500; letter-spacing: -0.015em; color: var(--bg); line-height: 1.4; }

/* Footer */
.footer { background: var(--bg); border-top: 1px solid var(--line); padding: 80px 0 40px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid var(--line); }
.footer h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); font-weight: 500; margin-bottom: 18px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--ink-soft); font-size: 14px; transition: color var(--t-fast); }
.footer-col a:hover { color: var(--accent); }
.footer-brand p { color: var(--mute); font-size: 14px; max-width: 38ch; margin-top: 14px; }
.footer-bottom { margin-top: 28px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--mute); }

/* Jobs (Workable) */
.jobs { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.jobs-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-top: 28px; }
.jobs-filters { margin-top: 56px; display: flex; flex-direction: column; gap: 16px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.jobs-filter-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.jobs-filter-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mute); margin-right: 8px; min-width: 100px; }
.jobs-group { margin-top: 64px; }
.jobs-group-head { display: flex; align-items: baseline; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--ink); }
.jobs-group-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--accent); }
.jobs-group-title { font-family: var(--font-display); font-size: clamp(22px, 2vw, 30px); font-weight: 500; letter-spacing: -0.02em; color: var(--ink); flex: 1; }
.jobs-group-count { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.jobs-filter { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--ink-soft); cursor: pointer; transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.jobs-filter:hover { border-color: var(--ink); color: var(--ink); }
.jobs-filter[data-active="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.jobs-search { flex: 1; min-width: 260px; display: flex; align-items: center; gap: 10px; padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-elev); }
.jobs-search input { flex: 1; border: 0; outline: none; background: transparent; color: var(--ink); font: inherit; font-size: 14px; }
.jobs-list { list-style: none; padding: 0; margin: 0; }
.job-row { display: grid; grid-template-columns: 1fr 1.4fr auto auto auto; gap: 32px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); transition: padding var(--t-fast); }
.job-row:hover { padding-left: 12px; }
.job-row .job-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.job-row .job-title { font-family: var(--font-display); font-size: clamp(18px, 1.5vw, 22px); font-weight: 500; letter-spacing: -0.015em; color: var(--ink); }
.job-row .job-meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mute); white-space: nowrap; }
.job-row .job-cta { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink); display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); white-space: nowrap; }
.job-row .job-cta:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.jobs-state { padding: 80px 0; text-align: center; color: var(--mute); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.jobs-foot { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 32px; flex-wrap: wrap; }
.jobs-count { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mute); }
@media (max-width: 980px) {
  .job-row { grid-template-columns: 1fr; gap: 8px; padding: 24px 0; }
  .job-row .job-cta { justify-self: start; margin-top: 8px; }
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 800ms cubic-bezier(.2,.7,.3,1), transform 800ms cubic-bezier(.2,.7,.3,1); }
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }

@media (max-width: 980px) {
  :root { --pad-section: 100px; }
  h1 { font-size: clamp(40px, 9vw, 64px); }
  .hero-meta, .sectors, .process-grid, .cases-grid, .team-grid, .about-grid, .footer-top, .contact-grid { grid-template-columns: 1fr 1fr; }
  .hero[data-layout="split"], .hero[data-layout="editorial"] .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .shell { padding-left: 24px; padding-right: 24px; }
  .step, .sector { border-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 28px; }
  .step:last-child, .sector:last-child { border-bottom: 0; }
}
@media (max-width: 640px) {
  .hero-meta, .sectors, .process-grid, .cases-grid, .team-grid, .about-grid, .footer-top, .contact-grid { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
}