/* styles.css — 1986 Studios (redesign concept). Archetype B — gallery-first.
 * Sibling to ../highdive: shared cinematic base + type; own accent = mint + crop-mark motif.
 * Consumes tokens.css ONLY. No raw hex/timings outside :root definitions. */

/* ---------- Fonts (self-hosted, subset, font-display optional) ---------- */
@font-face { font-family: "Bricolage Grotesque"; src: url("assets/bricolage-800.woff2") format("woff2"); font-weight: 800; font-style: normal; font-display: optional; }
@font-face { font-family: "IBM Plex Sans"; src: url("assets/plex-sans-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: optional; }
@font-face { font-family: "IBM Plex Sans"; src: url("assets/plex-sans-600.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: optional; }

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: var(--fs-body); line-height: var(--lh-body); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip; }
h1, h2, h3, p { margin: 0; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
img, svg { max-width: 100%; }
::selection { background: var(--color-mint); color: var(--color-on-mint); }
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.mint { color: var(--color-mint); }
.mint-t { color: var(--color-mint-on-ink); }
:root[data-theme="light"] .mint-t { color: var(--color-mint-text); }
.skip { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--color-mint); color: var(--color-on-mint); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-weight: 600; }
.skip:focus { left: var(--space-4); top: var(--space-4); }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.grain { position: absolute; inset: 0; pointer-events: none; z-index: 0; background-image: var(--grain); background-size: 140px 140px; opacity: var(--grain-opacity); mix-blend-mode: overlay; }

/* crop-mark tick (eyebrow) */
.crop { display: inline-block; width: 12px; height: 12px; border-left: 2px solid var(--color-mint); border-top: 2px solid var(--color-mint); margin-right: 0.4em; transform: translateY(1px); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-body); font-weight: 600; font-size: var(--fs-small); letter-spacing: 0.01em; line-height: 1; padding: 0.9em 1.4em; border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.btn--primary { background: var(--color-mint); color: var(--color-on-mint); }
.btn--primary svg { transition: transform var(--dur-fast) var(--ease-out); }
.btn--primary:hover { background: var(--color-mint-2); }
.btn--primary:hover svg { transform: translateY(3px); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--color-mint); color: var(--color-mint-on-ink); }
:root[data-theme="light"] .btn--ghost:hover { color: var(--color-mint-text); }
.btn--on-mint { background: var(--color-on-mint); color: var(--color-mint); }
.btn--on-mint:hover { background: var(--color-on-mint-2); }
.btn--on-mint svg { transition: transform var(--dur-fast) var(--ease-out); }
.btn--on-mint:hover svg { transform: translate(2px,-2px); }
.btn--lg { padding: 1.1em 1.9em; font-size: var(--fs-body); }
@media (prefers-reduced-motion: reduce) { .btn, .btn:hover, .btn:hover svg { transform: none; } }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 82%, transparent); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: var(--border-hair); }
.nav { display: flex; align-items: center; gap: var(--space-5); min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--text); margin-right: auto; }
.brand__mark { width: 26px; height: auto; color: var(--text); flex: none; }
.brand__word { font-family: var(--font-display); font-weight: 800; font-size: 1.4rem; letter-spacing: -0.02em; display: inline-flex; align-items: baseline; gap: 0.35em; }
.brand__sub { font-family: var(--font-mono); font-weight: 400; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim); }
.nav__links { display: flex; gap: var(--space-5); list-style: none; margin: 0; padding: 0; }
.nav__links a { color: var(--text-soft); text-decoration: none; font-size: var(--fs-small); font-weight: 600; transition: color var(--dur-fast) var(--ease-out); }
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }
.btn--nav { padding: 0.7em 1.1em; }
.theme-toggle { display: inline-grid; place-items: center; width: 40px; height: 40px; background: transparent; border: 1px solid var(--line-strong); border-radius: var(--radius-md); color: var(--text); cursor: pointer; transition: border-color var(--dur-fast) var(--ease-out); }
.theme-toggle:hover { border-color: var(--color-mint); }
.icon-sun { display: none; }
:root[data-theme="light"] .icon-sun { display: block; }
:root[data-theme="light"] .icon-moon { display: none; }
.hamburger { display: none; position: relative; width: 42px; height: 42px; background: transparent; border: 1px solid var(--line-strong); border-radius: var(--radius-md); cursor: pointer; }
.hamburger .bar { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out); }
.hamburger .bar1 { top: 14px; } .hamburger .bar2 { top: 20px; } .hamburger .bar3 { top: 26px; }
.hamburger[aria-expanded="true"] .bar1 { top: 20px; transform: rotate(45deg); }
.hamburger[aria-expanded="true"] .bar2 { opacity: 0; }
.hamburger[aria-expanded="true"] .bar3 { top: 20px; transform: rotate(-45deg); }
@media (prefers-reduced-motion: reduce) { .hamburger .bar { transition: none; } }
.mobile-menu { display: none; border-bottom: var(--border-hair); background: var(--bg-raised); }
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; margin: 0; padding: var(--space-4) var(--gutter) var(--space-6); display: grid; gap: var(--space-2); }
.mobile-menu a { color: var(--text); text-decoration: none; font-size: 1.1rem; font-weight: 600; padding: var(--space-3) 0; display: block; }
.mobile-menu .btn { justify-content: center; margin-top: var(--space-3); }

/* concept bar */
.concept-bar { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: var(--space-2); background: var(--bg-raised); color: var(--text-soft); font-size: var(--fs-label); letter-spacing: 0.04em; text-transform: uppercase; padding: var(--space-2) var(--gutter); border-bottom: 1px solid var(--color-mint); text-align: center; }
.concept-bar strong { color: var(--text); font-weight: 600; }
.concept-bar a { color: var(--color-mint-on-ink); text-decoration: none; font-weight: 600; }
:root[data-theme="light"] .concept-bar a { color: var(--color-mint-text); }
.concept-bar__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-mint); flex: none; }

/* ---------- Section rhythm ---------- */
.section-title { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-h2); line-height: var(--lh-head); letter-spacing: var(--tracking-display); text-wrap: balance; }
.section-title--center { text-align: center; }
.section-note { color: var(--text-dim); max-width: 46ch; margin-top: var(--space-3); text-wrap: pretty; }
.eyebrow { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-dim); display: inline-flex; align-items: center; }
.eyebrow--iv { color: var(--color-mint-on-ink); }
:root[data-theme="light"] .eyebrow--iv { color: var(--color-mint-text); }

/* ============ HERO (compact statement) ============ */
.hero { position: relative; overflow: hidden; background: var(--color-ink); color: var(--color-bone); padding-block: clamp(3rem, 8vh, 6rem) clamp(2.5rem, 6vh, 4.5rem); }
.hero__inner { position: relative; z-index: 1; }
.hero .eyebrow { color: var(--color-bone-dim); }
.hero .crop { border-color: var(--color-mint); }
.hero__h1 { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-hero); line-height: var(--lh-tight); letter-spacing: -0.03em; text-wrap: balance; margin-top: var(--space-4); }
.hero__foot { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-6) var(--space-8); align-items: end; margin-top: var(--space-7); border-top: 1px solid var(--color-ink-4); padding-top: var(--space-6); }
.hero .lede { color: var(--color-bone-soft); font-size: var(--fs-lead); line-height: 1.5; text-wrap: pretty; }
.hero .lede a { color: var(--color-mint-on-ink); }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero .btn--ghost { color: var(--color-bone); border-color: var(--color-ink-4); }
.hero .btn--ghost:hover { border-color: var(--color-mint); color: var(--color-mint-on-ink); }
@keyframes rise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
.hero .eyebrow, .hero__h1, .hero__foot { animation: rise var(--dur-mid) var(--ease-out) both; }
.hero__h1 { animation-delay: 60ms; } .hero__foot { animation-delay: 140ms; }
@media (prefers-reduced-motion: reduce) { .hero .eyebrow, .hero__h1, .hero__foot { animation: none; } }

/* ============ THE REEL (gallery-first mosaic) ============ */
.reel { background: var(--bg); padding-block: var(--section-pad); }
.reel__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-4); }
.reel__head .section-title { font-size: var(--fs-h2); }

.scene__shot { position: relative; overflow: hidden; border-radius: var(--radius-md); background: var(--color-ink-2); }
.scene__shot img { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 9; transition: transform var(--dur-mid) var(--ease-out); }
figure { margin: 0; }

/* featured piece with crop-mark frame (signature) */
.reel__feature { width: 100%; max-width: var(--maxw); margin: var(--space-7) auto 0; padding-inline: var(--gutter); }
.frame { position: relative; padding: 14px; }
.frame .scene__shot img { aspect-ratio: 21 / 9; }
/* four mint crop-mark corners */
.frame::before, .frame::after, .frame__marks::before, .frame__marks::after { content: ""; position: absolute; width: 26px; height: 26px; border: 2px solid var(--color-mint); opacity: 0; transition: opacity var(--dur-lock) var(--ease-out), transform var(--dur-lock) var(--ease-lock); }
.frame::before { top: 0; left: 0; border-right: 0; border-bottom: 0; transform: translate(6px,6px); }
.frame::after { top: 0; right: 0; border-left: 0; border-bottom: 0; transform: translate(-6px,6px); }
.frame__marks::before { bottom: 0; left: 0; border-right: 0; border-top: 0; transform: translate(6px,-6px); }
.frame__marks::after { bottom: 0; right: 0; border-left: 0; border-top: 0; transform: translate(-6px,-6px); }
.reveal.is-in .frame::before, .reveal.is-in .frame::after, .reveal.is-in .frame__marks::before, .reveal.is-in .frame__marks::after { opacity: 1; transform: none; }
.feature__cap { display: flex; align-items: flex-start; gap: var(--space-4); padding: var(--space-4) 14px 0; }
.feature__cap .scene__title { font-size: var(--fs-scene); }

.reel__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin-top: var(--space-8); grid-auto-flow: dense; }
.reel__grid .span-tall { grid-row: span 2; }
.reel__grid .span-tall .scene__shot img { aspect-ratio: 3 / 4; height: 100%; }
.reel__grid .span-wide { grid-column: span 2; }
.reel__grid .span-wide .scene__shot img { aspect-ratio: 2.4 / 1; }
.reel__grid figcaption { padding-top: var(--space-3); }
.scene:hover .scene__shot img { transform: scale(1.05); filter: brightness(1.06) saturate(1.04); }

.scene__idx { display: inline-block; font-family: var(--font-mono); font-size: 1.1rem; color: var(--color-mint-on-ink); transition: transform var(--dur-fast) var(--ease-out); }
:root[data-theme="light"] .reel__grid .scene__idx { color: var(--color-mint-text); }
.feature__cap .scene__idx { font-size: clamp(1.4rem, 3vw, 2.25rem); }
.scene__meta { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-top: var(--space-2); }
.scene__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.35rem, 2.4vw, 1.9rem); line-height: 1.03; letter-spacing: -0.02em; text-wrap: balance; margin-top: var(--space-2); transition: color var(--dur-fast) var(--ease-out); }
.scene:hover .scene__idx { transform: translateY(-4px); }
.reel__grid .scene:hover .scene__title { color: var(--color-mint-on-ink); }
:root[data-theme="light"] .reel__grid .scene:hover .scene__title { color: var(--color-mint-text); }
@media (prefers-reduced-motion: reduce) { .scene:hover .scene__shot img, .scene:hover .scene__idx { transform: none; filter: none; } }

/* reel hover play badge */
.scene__play { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: opacity var(--dur-mid) var(--ease-out); pointer-events: none; z-index: 2; }
.scene__play svg { width: clamp(44px, 5vw, 62px); height: auto; transform: scale(0.85); transition: transform var(--dur-mid) var(--ease-out); }
.scene:hover .scene__play, .reel__feature:hover .scene__play { opacity: 1; }
.scene:hover .scene__play svg, .reel__feature:hover .scene__play svg { transform: scale(1); }
@media (prefers-reduced-motion: reduce) { .scene__play { display: none; } }

/* scroll reveal (js-guarded) */
html.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out); }
html.js .reveal.is-in { opacity: 1; transform: none; }
html.js .reel__feature.reveal { transform: none; } /* let the crop marks carry the featured reveal */
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } }

/* heading reveal vocabulary */
html.js .reveal-up { clip-path: inset(0 100% -0.18em 0); opacity: 0; transition: clip-path 0.9s var(--ease-out), opacity 0.5s var(--ease-out); }
html.js .reveal-up.is-in { clip-path: inset(0 0 -0.18em 0); opacity: 1; }
html.js .reveal-rise { opacity: 0; transform: translateY(32px); transition: opacity 0.55s var(--ease-out), transform 0.85s var(--ease-out); }
html.js .reveal-rise.is-in { opacity: 1; transform: none; }
html.js .reveal-drop { opacity: 0; transform: translateY(-38px); transition: opacity 0.5s var(--ease-out), transform 0.95s var(--ease-lock); }
html.js .reveal-drop.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html.js .reveal-up, html.js .reveal-rise, html.js .reveal-drop { clip-path: none; opacity: 1; transform: none; transition: none; } }

/* ============ CAPABILITIES (ruled rows) ============ */
.caps { background: var(--bg-raised); padding-block: var(--section-pad); }
.cap-list { list-style: none; margin: var(--space-7) 0 0; padding: 0; counter-reset: cap; }
.cap { display: grid; grid-template-columns: auto minmax(180px, 0.7fr) 1.6fr; gap: var(--space-4) var(--space-7); align-items: baseline; padding-block: var(--space-6); border-top: var(--border-hair); }
.cap:last-child { border-bottom: var(--border-hair); }
.cap__n { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--color-mint-on-ink); }
:root[data-theme="light"] .cap__n { color: var(--color-mint-text); }
.cap__h { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.5rem, 3vw, 2.4rem); letter-spacing: -0.02em; }
.cap__p { color: var(--text-soft); max-width: 56ch; text-wrap: pretty; }

/* ============ HIGHDIVE FAMILY (the one mint band) ============ */
.family { position: relative; overflow: hidden; background: var(--color-mint); color: var(--color-on-mint); padding-block: var(--section-pad); }
.family .grain { mix-blend-mode: multiply; opacity: 0.1; }
.family__inner { position: relative; z-index: 1; max-width: var(--maxw-narrow); }
.eyebrow--on-mint { color: color-mix(in srgb, var(--color-on-mint) 70%, transparent); }
.family__h { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-h1); line-height: var(--lh-head); letter-spacing: -0.02em; text-wrap: balance; margin-top: var(--space-4); }
.family__p { font-size: var(--fs-lead); line-height: 1.5; margin-top: var(--space-5); color: color-mix(in srgb, var(--color-on-mint) 86%, transparent); text-wrap: pretty; }
.family .btn--on-mint { margin-top: var(--space-6); }

/* ============ CLIENTS strip ============ */
.clients { background: var(--bg); padding-block: var(--section-pad-tight); }
.clients .section-title { font-size: var(--fs-h3); color: var(--text-dim); font-family: var(--font-mono); font-weight: 400; letter-spacing: var(--tracking-label); text-transform: uppercase; margin-bottom: var(--space-6); }
.strip { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--space-3) var(--space-4); max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.strip span { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.4rem, 3vw, 2.4rem); letter-spacing: -0.02em; color: var(--text); }
.strip .dot { color: var(--color-mint); font-size: 1rem; }

/* ============ ABOUT (split, shared) ============ */
.about { background: var(--bg-raised); padding-block: var(--section-pad); }
.people { list-style: none; margin: var(--space-6) 0 0; padding: 0; display: grid; gap: 0; }
.people li { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); align-items: baseline; padding-block: var(--space-3); border-top: var(--border-hair); }
.person__role { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); min-width: 8ch; }
.person__name { font-weight: 600; color: var(--text); }
.stat-num { font-family: var(--font-display); font-weight: 800; }

/* ============ CASE (IV pitch) ============ */
.case { position: relative; overflow: hidden; background: var(--color-ink); color: var(--color-bone); padding-block: var(--section-pad); }
.case__inner { position: relative; z-index: 1; max-width: var(--maxw-narrow); }
.case .eyebrow--iv { color: var(--color-mint-on-ink); }
.case__h { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-h1); line-height: var(--lh-head); letter-spacing: -0.02em; text-wrap: balance; margin-top: var(--space-4); }
.case__p { color: var(--color-bone-soft); font-size: var(--fs-lead); line-height: 1.55; margin-top: var(--space-5); text-wrap: pretty; }
.case__p em { color: var(--color-bone); font-style: italic; }
.case__points { list-style: none; margin: var(--space-7) 0 0; padding: 0; display: grid; gap: var(--space-5); }
.case__points li { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); align-items: start; border-top: 1px solid var(--color-ink-4); padding-top: var(--space-5); }
.case__points svg { color: var(--color-mint); flex: none; margin-top: 2px; }
.case__points strong { color: var(--color-bone); font-weight: 600; }
.case__points div { color: var(--color-bone-soft); }
.case__cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-7); }
.case .btn--ghost { color: var(--color-bone); border-color: var(--color-ink-4); }
.case .btn--ghost:hover { border-color: var(--color-mint); color: var(--color-mint-on-ink); }
.case__by { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.04em; color: var(--color-bone-dim); margin-top: var(--space-6); }
.case__by a { color: var(--color-mint-on-ink); }

/* ============ CONTACT (mockup) ============ */
.contact { background: var(--bg); padding-block: var(--section-pad); text-align: center; }
.contact__inner { max-width: var(--maxw-narrow); margin-inline: auto; }
.contact__h { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-scene); line-height: 0.98; letter-spacing: -0.03em; }
.contact__p { color: var(--text-soft); font-size: var(--fs-lead); margin-top: var(--space-4); }
.contact__actions { display: flex; flex-direction: column; align-items: center; gap: var(--space-5); margin-top: var(--space-7); }
.contact__where { display: inline-flex; align-items: center; gap: var(--space-4); font-family: var(--font-mono); font-size: var(--fs-small); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); }
.contact__where .sep { color: var(--color-mint); }

/* ============ FOOTER ============ */
.site-footer { position: relative; overflow: hidden; background: var(--color-ink); color: var(--color-bone); padding-block: var(--section-pad) var(--space-6); }
.footer__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--space-7) var(--space-5); }
.footer__word { font-family: var(--font-display); font-weight: 800; font-size: 1.8rem; letter-spacing: -0.02em; }
.footer__tag { color: var(--color-mint-on-ink); font-family: var(--font-mono); font-size: var(--fs-small); margin-top: var(--space-2); }
.footer__mark svg { width: 30px; height: auto; color: var(--color-bone); margin-top: var(--space-5); display: block; }
.footer__col .footer__h { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-bone-dim); margin-bottom: var(--space-4); }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.footer__col li { color: var(--color-bone-soft); font-size: var(--fs-small); }
.footer__col a { color: var(--color-bone-soft); text-decoration: none; }
.footer__col a:hover { color: var(--color-mint-on-ink); }
.footer__base { position: relative; z-index: 1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); margin-top: var(--space-8); padding-top: var(--space-5); border-top: 1px solid var(--color-ink-4); }
.footer__base p { color: var(--color-bone-dim); font-size: var(--fs-label); }
.footer__iv a { color: var(--color-mint-on-ink); }

/* ---------- Sub-page shared bits ---------- */
.page-hero { background: var(--color-ink); color: var(--color-bone); position: relative; overflow: hidden; padding-block: clamp(3rem, 7vw, 6rem); }
.page-hero__inner { position: relative; z-index: 1; }
.page-hero .eyebrow { color: var(--color-bone-dim); }
.page-hero__h { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-h1); line-height: var(--lh-head); letter-spacing: -0.03em; text-wrap: balance; margin-top: var(--space-3); }
.page-hero__p { color: var(--color-bone-soft); font-size: var(--fs-lead); max-width: 58ch; margin-top: var(--space-4); text-wrap: pretty; }
.back-link { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-bone-dim); text-decoration: none; }
.back-link:hover { color: var(--color-mint-on-ink); }
.page-section { padding-block: var(--section-pad); background: var(--bg); }
.page-section--alt { background: var(--bg-raised); }
.prose { color: var(--text-soft); font-size: var(--fs-body); line-height: 1.62; margin-top: var(--space-4); text-wrap: pretty; }
.prose--lead { font-size: var(--fs-lead); line-height: 1.55; margin-top: 0; }
.prose em { color: var(--text); font-style: italic; }

/* editorial split (shared with highdive proposal pattern) */
.split { display: grid; grid-template-columns: minmax(220px, 0.8fr) 1.55fr; gap: var(--space-6) clamp(var(--space-6), 6vw, var(--space-10)); align-items: start; }
.split__head { position: sticky; top: 92px; }
.split__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem, 2.8vw, 2.6rem); line-height: 1.04; letter-spacing: -0.02em; text-wrap: balance; margin-top: var(--space-3); }
.split__body { min-width: 0; }

/* scope cards + faq + grow + phases (shared) */
.scope { counter-reset: scope; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); margin-top: var(--space-7); }
.scope__card { position: relative; counter-increment: scope; border-top: 2px solid var(--line-strong); padding-top: var(--space-4); transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-mid) var(--ease-out); }
.scope__card::before { content: "0" counter(scope); position: absolute; top: var(--space-4); right: 0; font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.1em; color: var(--text-dim); transition: color var(--dur-fast) var(--ease-out); }
.scope__card:hover { border-top-color: var(--color-mint); transform: translateY(-4px); }
.scope__card:hover::before { color: var(--color-mint-on-ink); }
:root[data-theme="light"] .scope__card:hover::before { color: var(--color-mint-text); }
.scope__card svg { color: var(--color-mint); }
.scope__card h3 { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.25rem, 2vw, 1.7rem); letter-spacing: -0.02em; margin-top: var(--space-3); text-wrap: balance; }
.scope__card p { color: var(--text-soft); font-size: var(--fs-small); margin-top: var(--space-2); text-wrap: pretty; }
@media (prefers-reduced-motion: reduce) { .scope__card:hover { transform: none; } }
.grow { list-style: none; margin: 0; padding: 0; }
.grow li { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); align-items: start; padding-block: var(--space-4); border-top: var(--border-hair); }
.grow__n { font-family: var(--font-mono); color: var(--color-mint-on-ink); font-size: 1.2rem; }
:root[data-theme="light"] .grow__n { color: var(--color-mint-text); }
.grow strong { color: var(--text); font-weight: 600; } .grow div { color: var(--text-soft); }
.faq { }
.faq details { border-top: var(--border-hair); padding: var(--space-4) 0; }
.faq details:last-child { border-bottom: var(--border-hair); }
.faq summary { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-h3); letter-spacing: -0.01em; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--color-mint); font-size: 1.6rem; line-height: 1; transition: transform var(--dur-fast) var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--text-soft); margin-top: var(--space-3); max-width: 62ch; text-wrap: pretty; }
@media (prefers-reduced-motion: reduce) { .faq summary::after { transition: none; } }
.about-iv__logo { display: block; border-radius: var(--radius-md); }
.phases { list-style: none; margin: 0; padding: 0; }
.phase { display: grid; grid-template-columns: auto 1fr; gap: var(--space-5); padding-block: var(--space-6); border-top: var(--border-hair); }
.phase:first-child { border-top: none; padding-top: 0; }
.phase__n { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1; color: var(--color-mint); letter-spacing: -0.03em; }
.phase__h { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-h3); letter-spacing: -0.02em; text-wrap: balance; }
.phase__p { color: var(--text-soft); margin-top: var(--space-2); max-width: 62ch; text-wrap: pretty; }
.phase__dep { display: block; font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.04em; color: var(--text-dim); margin-top: var(--space-3); text-transform: uppercase; }
.lede-measure { max-width: var(--maxw-narrow); }

/* design page bits */
.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin-top: var(--space-6); }
.swatch { aspect-ratio: 3 / 2; border-radius: var(--radius-md); border: 1px solid var(--line); display: flex; align-items: flex-end; padding: var(--space-3); }
.swatch__on { font-family: var(--font-mono); font-size: var(--fs-label); }
.usage { margin-top: var(--space-5); color: var(--text-dim); font-size: var(--fs-small); max-width: 64ch; text-wrap: pretty; }
.type-scale { margin-top: var(--space-6); display: grid; gap: var(--space-3); }
.type-row { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-4); border-top: var(--border-hair); padding-top: var(--space-3); margin-top: var(--space-4); }
.type-row:first-child { margin-top: 0; }
.type-tag { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); }
.type-spec { font-family: var(--font-mono); font-size: var(--fs-label); color: var(--text-dim); }
.type-sample { color: var(--text); text-wrap: balance; }
.motif-demo { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); margin-top: var(--space-6); }
.motif-card { background: var(--color-ink); border-radius: var(--radius-md); border: 1px solid var(--color-ink-3); min-height: 200px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-4); padding: var(--space-5); color: var(--color-bone); }
.motif-frame { position: relative; width: 120px; height: 80px; }
.motif-frame::before, .motif-frame::after, .motif-frame span::before, .motif-frame span::after { content: ""; position: absolute; width: 22px; height: 22px; border: 2px solid var(--color-mint); }
.motif-frame::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.motif-frame::after { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.motif-frame span::before { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.motif-frame span::after { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.motif-favicon-img { display: block; width: 96px; height: 96px; border-radius: 20px; }
.motif-label { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-bone-dim); }
.voice { margin-top: var(--space-6); display: grid; gap: var(--space-4); }
.voice p { font-size: var(--fs-lead); line-height: 1.5; padding-left: var(--space-5); border-left: 3px solid var(--color-mint); text-wrap: pretty; }
.voice__out { border-left-color: var(--line-strong); color: var(--text-dim); }
.voice__k { display: block; font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-mint-on-ink); margin-bottom: var(--space-2); }
:root[data-theme="light"] .voice__k { color: var(--color-mint-text); }
.voice__k--no { color: var(--text-dim); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__foot { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
  .nav__links, .btn--nav { display: none; }
  .hamburger { display: inline-grid; place-items: center; }
  .reel__grid { grid-template-columns: repeat(2, 1fr); }
  .reel__grid .span-wide { grid-column: span 2; }
  .reel__grid .span-tall { grid-row: span 1; }
  .reel__grid .span-tall .scene__shot img { aspect-ratio: 16 / 9; height: auto; }
  .cap { grid-template-columns: auto 1fr; }
  .split { grid-template-columns: 1fr; gap: var(--space-5); }
  .split__head { position: static; }
  .scope { grid-template-columns: 1fr; }
  .motif-demo { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .reel__grid { grid-template-columns: 1fr; }
  .reel__grid .span-wide, .reel__grid .span-tall { grid-column: auto; grid-row: auto; }
  .reel__grid .span-wide .scene__shot img { aspect-ratio: 16 / 9; }
  .frame .scene__shot img { aspect-ratio: 16 / 9; }
  .feature__cap .scene__title { font-size: var(--fs-h2); }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__base { flex-direction: column; }
  .swatches { grid-template-columns: repeat(2, 1fr); }
  .contact__where { flex-wrap: wrap; justify-content: center; }
}