:root {
  --onyx: #090908;
  --ink: #151411;
  --charcoal: #24211d;
  --ivory: #f3f0ea;
  --paper: #ebe7e0;
  --stone: #d3cdc3;
  --bronze: #bf8b51;
  --bronze-light: #ddb786;
  --line-dark: rgba(255, 255, 255, 0.13);
  --line-light: rgba(28, 24, 20, 0.14);
  --shadow: 0 22px 64px rgba(17, 13, 9, 0.14);
  --display: "Iowan Old Style", "Baskerville", "Times New Roman", serif;
  --body: "Avenir Next", "Avenir", "Helvetica Neue", Arial, sans-serif;
  --shell: min(1180px, calc(100vw - 48px));
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--ivory); color: var(--ink); font-family: var(--body); -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img { display: block; max-width: 100%; }
svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 200; padding: 12px 18px; background: var(--ivory); color: var(--ink); border-radius: 4px; transition: top .2s; }
.skip-link:focus { top: 16px; }
.shell { width: var(--shell); margin-inline: auto; }
.page[hidden] { display: none; }
.page { animation: pageIn .55s cubic-bezier(.2,.75,.2,1); }
@keyframes pageIn { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: 92px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; padding: 0 max(28px, calc((100vw - 1340px) / 2)); color: white; transition: background .35s, height .35s, box-shadow .35s; }
.site-header.scrolled { height: 76px; background: rgba(9,9,8,.92); backdrop-filter: blur(18px); box-shadow: 0 1px 0 var(--line-dark); }
.site-header.force-dark { background: rgba(9,9,8,.94); backdrop-filter: blur(18px); box-shadow: 0 1px 0 var(--line-dark); }
.brand { display: inline-flex; flex-direction: column; align-items: center; width: max-content; text-decoration: none; color: var(--bronze-light); line-height: 1; }
.brand-mark { font-family: var(--display); font-size: 30px; letter-spacing: .07em; }
.brand-sub { margin-top: 5px; font-size: 7px; font-weight: 600; letter-spacing: .25em; text-transform: uppercase; white-space: nowrap; }
.desktop-nav { display: flex; justify-content: center; align-items: center; gap: clamp(20px, 2.7vw, 42px); }
.desktop-nav a { position: relative; color: rgba(255,255,255,.85); font-size: 13px; text-decoration: none; white-space: nowrap; transition: color .2s; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -11px; height: 1px; background: var(--bronze-light); transition: right .3s; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--bronze-light); }
.desktop-nav a.active::after { right: 0; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 0 21px; border: 1px solid transparent; border-radius: 3px; cursor: pointer; text-decoration: none; font-size: 13px; font-weight: 600; transition: transform .25s, box-shadow .25s, background .25s; }
.button svg { width: 18px; }
.button:hover { transform: translateY(-2px); }
.button-gold { background: linear-gradient(135deg, #dfbd8e, #b47d42); color: #17110b; box-shadow: 0 10px 30px rgba(177,123,64,.2); }
.button-gold:hover { box-shadow: 0 14px 34px rgba(177,123,64,.34); }
.button-outline { border-color: var(--line-light); background: transparent; color: var(--ink); }
.header-cta { min-height: 44px; white-space: nowrap; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line-dark); color: white; background: transparent; border-radius: 3px; cursor: pointer; }
.mobile-panel { display: none; }

.hero { position: relative; min-height: 720px; display: flex; align-items: center; isolation: isolate; overflow: hidden; background: var(--onyx); color: white; }
.hero-backdrop { position: absolute; inset: 0; z-index: -2; background: url("/assets/gsc-office-dusk.jpg") center/cover no-repeat; transform: scale(1.015); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(5,5,4,.98) 0%, rgba(6,6,5,.88) 34%, rgba(6,6,5,.14) 75%); }
.hero-content { padding-top: 78px; }
.hero-content > * { max-width: 650px; }
.eyebrow { margin: 0 0 14px; color: var(--bronze); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--display); font-weight: 400; }
h1 { margin: 0; font-size: clamp(48px, 5vw, 74px); line-height: .99; letter-spacing: -.035em; }
h1 em, h2 em { color: var(--bronze); font-style: normal; }
.hero-copy { margin: 24px 0 0; font-size: 16px; line-height: 1.78; color: rgba(255,255,255,.74); }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 28px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--bronze-light); font-size: 12px; text-decoration: none; }
.text-link svg { width: 16px; transition: transform .2s; }
.text-link:hover svg { transform: translateX(4px); }
.hero-pills { position: absolute; right: max(30px, calc((100vw - 1340px) / 2)); top: 50%; display: grid; gap: 1px; width: 310px; transform: translateY(-40%); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 5px; overflow: hidden; backdrop-filter: blur(14px); }
.hero-pills > div { display: grid; grid-template-columns: 34px 1fr; gap: 13px; align-items: center; padding: 17px 20px; background: rgba(9,9,8,.62); }
.hero-pills svg { color: var(--bronze-light); }
.hero-pills span { font-size: 12px; line-height: 1.45; color: rgba(255,255,255,.72); }
.hero-pills strong { display: block; color: white; font-weight: 600; }
.proof-strip { min-height: 86px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; align-items: stretch; padding-inline: max(24px, calc((100vw - 900px) / 2)); background: #10100f; color: white; }
.proof-strip > div { display: flex; flex-direction: column; justify-content: center; align-items: center; position: relative; text-align: center; }
.proof-strip > div + div::before { content: ""; position: absolute; left: 0; top: 25%; height: 50%; border-left: 1px solid rgba(255,255,255,.25); }
.proof-strip strong { color: var(--bronze-light); font-family: var(--display); font-size: 25px; font-weight: 400; }
.proof-strip span { margin-top: 2px; font-size: 11px; color: rgba(255,255,255,.65); }

.section { padding: 96px 0; }
.section-light { background: var(--ivory); }
.section-dark { background: var(--onyx); color: white; }
.section-heading { max-width: 760px; margin-bottom: 42px; }
.section-heading.centered { text-align: center; margin-inline: auto; }
.section-heading h2, .split-heading h2 { margin: 0; font-size: clamp(38px, 4vw, 56px); line-height: 1.05; letter-spacing: -.025em; }
.section-heading > p:last-child { color: #655f57; line-height: 1.7; }
.legacy-path { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.legacy-line { position: absolute; left: 7%; right: 7%; top: 35px; height: 1px; background: #d6cec3; }
.legacy-line span { display: block; height: 100%; width: 0; background: var(--bronze); transition: width 1.6s cubic-bezier(.2,.75,.2,1); }
.legacy-path.in-view .legacy-line span { width: 100%; }
.step-card { position: relative; min-height: 400px; display: flex; flex-direction: column; padding: 22px 18px; background: rgba(255,255,255,.35); border: 1px solid var(--line-light); box-shadow: 0 8px 24px rgba(34,27,19,.03); }
.step-card b { position: relative; z-index: 1; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--onyx); color: white; font-size: 10px; }
.step-card > svg { width: 38px; height: 38px; margin: 30px 0 18px; color: var(--bronze); }
.step-card h3 { min-height: 54px; margin: 0; font-size: 20px; line-height: 1.12; }
.step-card p { min-height: 58px; margin: 12px 0; color: #655f57; font-size: 12px; line-height: 1.55; }
.step-card ul { margin: 0; padding-left: 16px; color: #5c554c; font-size: 11px; line-height: 1.75; }
.ecosystem { padding: 82px 0; background-image: radial-gradient(circle at 5% 10%, rgba(191,139,81,.09), transparent 27%), linear-gradient(130deg, #0b0b0a, #161411); }
.split-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.split-heading > p { margin: 0 0 4px; max-width: 460px; color: rgba(255,255,255,.66); font-size: 14px; line-height: 1.75; }
.feature-row { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 46px; border: 1px solid var(--line-dark); }
.feature-row article { display: flex; gap: 15px; min-height: 135px; padding: 27px 22px; }
.feature-row article + article { border-left: 1px solid var(--line-dark); }
.feature-row svg { flex: 0 0 auto; width: 36px; height: 36px; color: var(--bronze); }
.feature-row h3 { margin: 0 0 8px; color: var(--bronze-light); font-size: 18px; }
.feature-row p { margin: 0; color: rgba(255,255,255,.62); font-size: 11px; line-height: 1.6; }

.hero-inner { min-height: 590px; }
.hero-inner .hero-content { padding-top: 100px; }
.hero-inner h1 { max-width: 730px; font-size: clamp(44px, 4.7vw, 68px); }
.hero-about .hero-backdrop { background-position: center; filter: saturate(.7); }
.hero-about::after { background: linear-gradient(90deg, rgba(5,5,4,.98), rgba(7,6,5,.9) 42%, rgba(7,6,5,.25) 78%); }
.hero-services .hero-backdrop { background-position: 65% center; }
.hero-services::after { background: linear-gradient(90deg, rgba(5,5,4,.99), rgba(7,6,5,.88) 44%, rgba(7,6,5,.18) 80%); }
.hero-content-page .hero-backdrop { background-image: url("/assets/gsc-workshop.jpg"); background-position: center; }
.hero-content-page::after { background: linear-gradient(90deg, rgba(5,5,4,.97), rgba(7,6,5,.86) 43%, rgba(7,6,5,.12) 80%); }
.icon-notes { display: flex; gap: 26px; margin-top: 30px; }
.icon-notes span { display: flex; align-items: center; gap: 9px; max-width: 150px; color: rgba(255,255,255,.72); font-size: 10px; line-height: 1.45; }
.icon-notes svg { color: var(--bronze-light); flex: 0 0 auto; }
.purpose-grid { display: grid; grid-template-columns: 1fr .78fr; gap: 90px; align-items: center; }
.purpose-grid h2 { margin: 0; max-width: 660px; font-size: clamp(37px, 3.7vw, 52px); line-height: 1.08; }
.quote-card { position: relative; padding: 45px; background: #faf8f4; border: 1px solid rgba(0,0,0,.08); box-shadow: var(--shadow); }
.quote-mark { color: var(--bronze); font-family: Georgia, serif; font-size: 72px; line-height: .6; }
.quote-card p { font-family: var(--display); font-size: 20px; line-height: 1.4; }
.quote-card strong { color: var(--bronze); font-weight: 400; }
.quote-card hr { border: 0; border-top: 1px solid var(--bronze); width: 58px; margin: 24px 0; }
.quote-card small { color: #5f584f; line-height: 1.65; }
.philosophy { background-image: radial-gradient(circle at 90% 10%, rgba(191,139,81,.08), transparent 35%); }
.philosophy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; }
.philosophy h2 { margin: 0 0 20px; font-size: clamp(38px, 3.4vw, 50px); line-height: 1.08; }
.philosophy p { color: rgba(255,255,255,.62); line-height: 1.7; }
.principles { border-left: 1px solid var(--line-dark); padding-left: 50px; }
.principles article { display: grid; grid-template-columns: 35px 1fr; gap: 17px; padding: 15px 0; }
.principles svg { color: var(--bronze); }
.principles h3 { margin: 0; color: var(--bronze-light); font-size: 18px; }
.principles p { margin: 5px 0 0; font-size: 12px; }
.difference-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.difference-grid article { min-height: 245px; padding: 30px 22px; text-align: center; background: rgba(255,255,255,.35); border: 1px solid var(--line-light); }
.difference-grid svg { width: 39px; height: 39px; color: var(--bronze); }
.difference-grid h3 { margin: 22px 0 12px; font-size: 19px; }
.difference-grid p { color: #675f55; font-size: 11px; line-height: 1.6; }

.filter-tabs { display: flex; gap: 8px; margin: -12px 0 28px; }
.filter-tabs button { padding: 9px 17px; border: 1px solid var(--line-light); border-radius: 30px; background: transparent; color: #6f675e; cursor: pointer; font-size: 11px; }
.filter-tabs button.active { background: var(--onyx); color: white; border-color: var(--onyx); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.service-card { min-height: 265px; display: flex; flex-direction: column; padding: 26px 22px; background: rgba(255,255,255,.4); border: 1px solid var(--line-light); transition: transform .3s, background .3s, box-shadow .3s; }
.service-card:hover { transform: translateY(-5px); background: #faf8f4; box-shadow: var(--shadow); }
.service-card.filtered-out { display: none; }
.service-card > svg { width: 35px; height: 35px; color: var(--bronze); }
.service-card h3 { margin: 20px 0 9px; font-size: 21px; }
.service-card p { color: #665f56; font-size: 12px; line-height: 1.65; }
.service-card button { display: inline-flex; align-items: center; gap: 7px; margin-top: auto; padding: 0; border: 0; background: transparent; color: #9a6835; cursor: pointer; font-size: 11px; text-align: left; }
.service-card button svg { width: 15px; }
.profile-band { padding: 60px 0; }
.profile-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 22px; border: 1px solid var(--line-dark); }
.profile-grid article { display: grid; grid-template-columns: auto 1fr; column-gap: 18px; padding: 28px; }
.profile-grid article + article { border-left: 1px solid var(--line-dark); }
.profile-grid svg { grid-row: span 2; width: 38px; height: 38px; color: var(--bronze); }
.profile-grid h3 { margin: 0; color: var(--bronze-light); font-size: 20px; }
.profile-grid p { margin: 7px 0 0; color: rgba(255,255,255,.62); font-size: 11px; line-height: 1.6; }

.team-intro { padding-top: 150px; padding-bottom: 58px; }
.team-hero-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: center; }
.team-hero-grid h1 { color: var(--ink); font-size: clamp(45px, 4.5vw, 66px); }
.team-hero-grid p:not(.eyebrow) { color: #5e574e; font-size: 14px; line-height: 1.8; }
.team-photo { height: 480px; margin: 0; overflow: hidden; border-radius: 4px; box-shadow: var(--shadow); }
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.leadership { padding: 0 0 80px; }
.leader-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-left: 24%; }
.leader-card { position: relative; min-height: 280px; padding: 30px; background: #f8f5ef; border: 1px solid var(--line-light); }
.leader-card > span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--onyx); color: var(--bronze-light); font-family: var(--display); }
.leader-card h3 { margin: 20px 0 2px; font-size: 21px; text-transform: uppercase; }
.leader-card em { color: #986635; font-family: var(--display); font-size: 16px; font-style: normal; }
.leader-card p { color: #5f584f; font-size: 12px; line-height: 1.65; }
.leader-card a { position: absolute; bottom: 25px; display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; background: var(--bronze); color: white; text-decoration: none; font-family: Georgia, serif; font-size: 11px; }
.stats-card { display: grid; grid-template-columns: 1.25fr repeat(4, 1fr); min-height: 220px; margin-top: 38px; overflow: hidden; border-radius: 4px; background: var(--onyx); color: white; }
.stats-image { background: linear-gradient(90deg, transparent, #090908), url("/assets/gsc-office-dusk.jpg") center/cover; }
.stats-card > div:not(.stats-image) { display: flex; flex-direction: column; justify-content: center; align-items: center; position: relative; padding: 20px; text-align: center; }
.stats-card > div + div::before { content: ""; position: absolute; left: 0; top: 20%; height: 60%; border-left: 1px solid var(--line-dark); }
.stats-card svg { color: var(--bronze); }
.stats-card strong { margin: 10px 0 6px; color: var(--bronze-light); font-family: var(--display); font-size: 30px; font-weight: 400; }
.stats-card span { color: rgba(255,255,255,.68); font-size: 11px; line-height: 1.5; }
.expertise { padding-top: 30px; }
.expertise-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.expertise-grid span { min-height: 90px; display: flex; align-items: center; gap: 14px; padding: 20px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); font-size: 12px; }
.expertise-grid svg { flex: 0 0 auto; color: var(--bronze); }

.learning-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 55px; align-items: center; }
.learning-grid h2 { margin: 0; font-size: clamp(38px, 3.6vw, 52px); line-height: 1.08; }
.learning-grid figure { height: 430px; margin: 0; border-radius: 4px; overflow: hidden; }
.learning-grid figure img { width: 100%; height: 100%; object-fit: cover; }
.learning-points { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 38px; }
.learning-points article { padding: 0 20px; }
.learning-points article:first-child { padding-left: 0; }
.learning-points article + article { border-left: 1px solid var(--line-light); }
.learning-points svg { color: var(--bronze); }
.learning-points h3 { font-size: 17px; }
.learning-points p { color: #655f57; font-size: 11px; line-height: 1.55; }
.programs { padding-top: 28px; }
.program-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.program-grid article { min-height: 205px; padding: 28px; background: rgba(255,255,255,.35); border: 1px solid var(--line-light); }
.program-grid svg { color: var(--bronze); }
.program-grid h3 { margin: 16px 0 8px; font-size: 20px; }
.program-grid p { color: #655e55; font-size: 12px; line-height: 1.6; }

.closing-cta { background: var(--paper); border-top: 1px solid var(--line-light); }
.closing-cta .shell { min-height: 164px; display: grid; grid-template-columns: auto 1fr auto auto; gap: 28px; align-items: center; }
.cta-icon { width: 70px; height: 70px; display: grid; place-items: center; border: 1px solid rgba(191,139,81,.35); border-radius: 50%; color: var(--bronze); }
.closing-cta h2 { margin: 0; font-size: 28px; }
.closing-cta .eyebrow { margin-bottom: 5px; font-size: 9px; }
.cta-contact { display: grid; gap: 10px; padding-left: 25px; border-left: 1px solid var(--line-light); font-size: 11px; }
.cta-contact span { display: flex; align-items: center; gap: 9px; }
.cta-contact svg { width: 18px; color: var(--bronze); }
.site-footer { padding: 42px 0 18px; background: var(--onyx); color: white; }
.footer-top { display: grid; grid-template-columns: auto 1fr auto; gap: 50px; align-items: center; }
.footer-top p { color: rgba(255,255,255,.6); font-size: 11px; }
.footer-top nav { display: flex; gap: 22px; }
.footer-top nav a { color: rgba(255,255,255,.62); font-size: 11px; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 35px; padding-top: 18px; border-top: 1px solid var(--line-dark); color: rgba(255,255,255,.38); font-size: 9px; }

.contact-dialog { width: min(900px, calc(100vw - 32px)); padding: 0; border: 0; border-radius: 5px; background: var(--ivory); box-shadow: 0 30px 100px rgba(0,0,0,.5); color: var(--ink); overflow: hidden; }
.contact-dialog[open] { display: grid; grid-template-columns: .9fr 1.1fr; }
.contact-dialog::backdrop { background: rgba(0,0,0,.74); backdrop-filter: blur(8px); }
.dialog-close { position: absolute; right: 16px; top: 16px; z-index: 2; width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line-light); border-radius: 50%; background: rgba(243,240,234,.9); cursor: pointer; }
.dialog-copy { padding: 60px 42px; background: var(--onyx); color: white; }
.dialog-copy h2 { margin: 0; font-size: 42px; line-height: 1.05; }
.dialog-copy > p:not(.eyebrow) { color: rgba(255,255,255,.65); font-size: 13px; line-height: 1.7; }
.dialog-copy > div { display: grid; gap: 11px; margin-top: 35px; }
.dialog-copy span { display: flex; gap: 10px; color: rgba(255,255,255,.68); font-size: 11px; }
.dialog-copy svg { width: 18px; color: var(--bronze); }
.contact-dialog form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 60px 42px 42px; }
.contact-dialog label { display: grid; gap: 7px; color: #665e54; font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.contact-dialog input, .contact-dialog select { width: 100%; padding: 13px 0; border: 0; border-bottom: 1px solid #c5bdb1; outline: 0; background: transparent; color: var(--ink); font-size: 13px; letter-spacing: 0; text-transform: none; }
.contact-dialog input:focus, .contact-dialog select:focus { border-bottom-color: var(--bronze); }
.contact-dialog form .button { grid-column: 1 / -1; margin-top: 10px; }
.form-success { grid-column: 2; place-self: center; padding: 45px; text-align: center; }
.form-success > svg { width: 58px; height: 58px; padding: 13px; border-radius: 50%; background: var(--bronze); color: white; }
.form-success h3 { margin: 20px 0 7px; font-size: 32px; }
.form-success p { color: #665e54; font-size: 13px; }
.form-success .button { margin-top: 18px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s, transform .7s; }
.reveal.visible { opacity: 1; transform: none; }
:focus-visible { outline: 2px solid var(--bronze-light); outline-offset: 4px; }

@media (max-width: 1100px) {
  .desktop-nav { gap: 18px; }
  .desktop-nav a { font-size: 11px; }
  .header-cta { display: none; }
  .hero-pills { right: 24px; width: 270px; }
  .hero-content > * { max-width: 580px; }
  .legacy-path { grid-template-columns: repeat(3, 1fr); }
  .legacy-line { display: none; }
  .difference-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-row { grid-template-columns: repeat(2, 1fr); }
  .feature-row article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line-dark); }
  .feature-row article:nth-child(4) { border-top: 1px solid var(--line-dark); }
  .closing-cta .shell { grid-template-columns: auto 1fr auto; }
  .cta-contact { grid-column: 2 / -1; margin-bottom: 24px; padding: 0; border: 0; grid-template-columns: auto auto; }
  .leader-grid { margin-left: 0; }
}

@media (max-width: 820px) {
  :root { --shell: min(100% - 36px, 680px); }
  .site-header { height: 72px; padding: 0 18px; grid-template-columns: 1fr auto; }
  .site-header.scrolled { height: 68px; }
  .desktop-nav { display: none; }
  .brand { align-items: flex-start; }
  .brand-mark { font-size: 26px; }
  .menu-toggle { display: grid; place-items: center; }
  .mobile-panel { position: fixed; inset: 0; z-index: 90; display: flex; flex-direction: column; justify-content: center; padding: 90px 28px 40px; background: rgba(9,9,8,.98); color: white; opacity: 0; pointer-events: none; transform: translateY(-12px); transition: opacity .25s, transform .25s; }
  .mobile-panel.open { opacity: 1; pointer-events: auto; transform: none; }
  .mobile-panel nav { display: grid; }
  .mobile-panel nav a { padding: 16px 0; border-bottom: 1px solid var(--line-dark); color: rgba(255,255,255,.78); font-family: var(--display); font-size: 28px; text-decoration: none; }
  .mobile-panel nav a.active { color: var(--bronze-light); }
  .mobile-panel .button { margin-top: 34px; }
  .hero { min-height: 760px; align-items: flex-end; padding-bottom: 55px; }
  .hero::after, .hero-about::after, .hero-services::after, .hero-content-page::after { background: linear-gradient(180deg, rgba(5,5,4,.36), rgba(5,5,4,.92) 55%, #050504 100%); }
  .hero-backdrop { background-position: 62% center; }
  .hero-content { padding-top: 100px; }
  .hero-content > * { max-width: 100%; }
  h1 { font-size: clamp(43px, 11vw, 64px); }
  .hero-pills { display: none; }
  .proof-strip { padding-inline: 0; }
  .section { padding: 72px 0; }
  .legacy-path { grid-template-columns: 1fr 1fr; }
  .step-card { min-height: 350px; }
  .split-heading, .purpose-grid, .philosophy-grid, .learning-grid, .team-hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .feature-row { grid-template-columns: 1fr 1fr; }
  .difference-grid { grid-template-columns: 1fr 1fr; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .profile-grid { grid-template-columns: 1fr; }
  .profile-grid article + article { border-left: 0; border-top: 1px solid var(--line-dark); }
  .team-intro { padding-top: 120px; }
  .team-photo { grid-row: 1; height: 430px; }
  .leader-grid { grid-template-columns: 1fr; }
  .leader-card { min-height: 250px; }
  .stats-card { grid-template-columns: 1fr 1fr; }
  .stats-image { display: none; }
  .stats-card > div:nth-child(4)::before { display: none; }
  .expertise-grid { grid-template-columns: 1fr 1fr; }
  .program-grid { grid-template-columns: 1fr 1fr; }
  .learning-grid figure { grid-row: 1; }
  .closing-cta .shell { padding-block: 34px; grid-template-columns: auto 1fr; }
  .closing-cta .button { grid-column: 2; justify-self: start; }
  .cta-contact { grid-column: 2; grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .contact-dialog[open] { display: block; max-height: calc(100vh - 32px); overflow-y: auto; }
  .dialog-copy { padding: 48px 32px 36px; }
  .contact-dialog form { padding: 38px 32px; }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 30px); }
  .hero { min-height: 720px; }
  .hero-inner { min-height: 690px; }
  .hero-copy { font-size: 14px; line-height: 1.68; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 17px; }
  .hero-actions .button { width: 100%; }
  .text-link { justify-content: center; }
  .icon-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
  .proof-strip { grid-template-columns: 1fr; padding-block: 15px; }
  .proof-strip > div { min-height: 64px; }
  .proof-strip > div + div::before { top: 0; left: 25%; width: 50%; height: 0; border: 0; border-top: 1px solid var(--line-dark); }
  .section-heading h2, .split-heading h2 { font-size: 39px; }
  .legacy-path, .difference-grid, .service-grid, .program-grid { grid-template-columns: 1fr; }
  .step-card { min-height: 0; }
  .step-card h3, .step-card p { min-height: 0; }
  .feature-row { grid-template-columns: 1fr; }
  .feature-row article + article { border-left: 0; border-top: 1px solid var(--line-dark); }
  .purpose-grid h2 { font-size: 37px; }
  .quote-card { padding: 34px 27px; }
  .principles { padding-left: 25px; }
  .filter-tabs { overflow-x: auto; padding-bottom: 4px; }
  .filter-tabs button { flex: 0 0 auto; }
  .team-photo { height: 330px; }
  .stats-card { grid-template-columns: 1fr; }
  .stats-card > div + div::before { top: 0; left: 20%; width: 60%; height: 0; border: 0; border-top: 1px solid var(--line-dark); }
  .expertise-grid { grid-template-columns: 1fr; }
  .learning-points { grid-template-columns: 1fr; }
  .learning-points article { padding: 20px 0; }
  .learning-points article + article { border-left: 0; border-top: 1px solid var(--line-light); }
  .learning-grid figure { height: 330px; }
  .closing-cta .shell { grid-template-columns: 1fr; text-align: center; }
  .cta-icon { justify-self: center; }
  .closing-cta .button, .cta-contact { grid-column: 1; justify-self: stretch; }
  .cta-contact span { justify-content: center; }
  .footer-top nav { display: grid; grid-template-columns: 1fr 1fr; }
  .contact-dialog form { grid-template-columns: 1fr; }
  .contact-dialog form .button { grid-column: 1; }
  .dialog-copy h2 { font-size: 35px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}