/* ============================================================
   ZIP IT — Core stylesheet
   Depends on tokens.css (load first).
   Sections: 1 Reset · 2 Type · 3 Layout · 4 Buttons · 5 Nav
            6 Hero · 7 Sections · 8 Logo strip · 9 Reveal · 10 Footer · 11 Utils
   ============================================================ */

/* ---------- 1. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--on-light);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--volt); color: var(--ink); }

/* ---------- 2. Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.04; letter-spacing: -.03em; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -.02em; line-height: 1.15; }
p  { text-wrap: pretty; }

.kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-kicker);
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--volt-deep);
  display: inline-flex; align-items: center; gap: .6em;
}
.kicker::before {
  content: ""; width: 22px; height: 1.5px; background: currentColor; opacity: .7;
}
.kicker--ondark { color: var(--volt); }
.lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--on-light-muted); }

/* Volt highlight on a word */
.hl { color: var(--volt-deep); }
.hl--ondark { color: var(--volt); }

/* ---------- 3. Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--wide { max-width: var(--container-wide); }
.section { padding-block: clamp(4rem, 2rem + 9vw, 8.5rem); position: relative; }
.section--tight { padding-block: clamp(3rem, 2rem + 5vw, 5rem); }
.section--dark { background: var(--ink); color: var(--on-dark); }
.section--mist { background: var(--mist); }
.section-head { max-width: 640px; margin-bottom: var(--sp-8); }
.section-head .kicker { margin-bottom: var(--sp-4); }
.section-head p { margin-top: var(--sp-4); }
.section--dark .section-head p { color: var(--on-dark-muted); }

.grid { display: grid; gap: var(--sp-6); }
@media (min-width: 720px)  { .cols-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px)  { .cols-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1020px) { .cols-4 { grid-template-columns: repeat(4, 1fr); } }

/* ---------- 4. Buttons ---------- */
.btn {
  --bg: var(--volt); --fg: var(--ink);
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: .95em 1.6em; border-radius: var(--r-pill);
  background: var(--bg); color: var(--fg);
  font-weight: 600; font-size: var(--fs-small); letter-spacing: -.01em;
  position: relative; isolation: isolate;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur-fast);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-volt); }
.btn:active { transform: translateY(0) scale(.98); }
.btn .arrow { transition: transform var(--dur) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn--ghost {
  --bg: transparent; --fg: var(--on-dark);
  border: 1.5px solid var(--ink-line);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { --bg: rgba(255,255,255,.06); box-shadow: none; border-color: rgba(255,255,255,.25); }
.btn--ghost-light { --bg: transparent; --fg: var(--on-light); border: 1.5px solid var(--light-line); }
.btn--ghost-light:hover { --bg: var(--mist); box-shadow: none; }
.btn--lg { padding: 1.1em 2em; font-size: var(--fs-body); }

/* text link with animated underline */
.tlink { display: inline-flex; align-items: center; gap: .45em; font-weight: 600; position: relative; }
.tlink::after {
  content: ""; position: absolute; left: 0; bottom: -3px; height: 1.5px; width: 100%;
  background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease);
}
.tlink:hover::after { transform: scaleX(1); }
.tlink .arrow { transition: transform var(--dur) var(--ease); }
.tlink:hover .arrow { transform: translateX(3px); }

/* ---------- 5. Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-6);
  padding: clamp(.85rem, 1.5vw, 1.25rem) var(--gutter);
  transition: background var(--dur) var(--ease), border-color var(--dur), backdrop-filter var(--dur);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11,13,18,.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--ink-line);
}
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--on-dark); }
.brand svg { width: 30px; height: 30px; }
.brand-word { font-family: var(--font-display); font-weight: 700; font-size: 1.32rem; letter-spacing: -.04em; }
.brand-word .dot { color: var(--volt); }

.nav-links { display: none; align-items: center; gap: clamp(1rem,2vw,2.1rem); }
.nav-links a { color: var(--on-dark-muted); font-size: var(--fs-small); font-weight: 500; transition: color var(--dur-fast); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--on-dark); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--volt); border-radius: 2px;
}
.nav-cta { display: none; }
@media (min-width: 920px) { .nav-links, .nav-cta { display: flex; } }

.nav-toggle { display: grid; place-items: center; width: 44px; height: 44px; color: var(--on-dark); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: currentColor; position: relative; transition: .25s var(--ease); }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: currentColor; transition: .25s var(--ease); }
.nav-toggle span::before { top: -7px; } .nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }
@media (min-width: 920px) { .nav-toggle { display: none; } }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99; background: var(--ink);
  display: flex; flex-direction: column; justify-content: center; gap: clamp(.5rem, 2vh, 1.25rem);
  padding: max(6rem, 14vh) var(--gutter) 2.5rem; transform: translateY(-100%);
  transition: transform var(--dur-slow) var(--ease-out);
  visibility: hidden; overflow-y: auto;
}
.mobile-menu.open { transform: translateY(0); visibility: visible; }
.mobile-menu a { font-family: var(--font-display); font-size: clamp(1.9rem,8vw,2.8rem); color: var(--on-dark); font-weight: 600; letter-spacing: -.03em; line-height: 1.1; }
.mobile-menu a:hover { color: var(--volt); }
.mobile-menu .btn { align-self: flex-start; margin-top: var(--sp-4); }

/* ---------- 6. Hero ---------- */
.hero { position: relative; background: var(--ink); color: var(--on-dark); overflow: hidden;
  padding-top: clamp(8rem, 12vh, 11rem); padding-bottom: clamp(4rem, 9vw, 8rem); }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
/* layered atmosphere: dotted grid + volt glow + drifting mesh */
.hero-grid {
  position: absolute; inset: -2px;
  background-image: radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(120% 90% at 70% 0%, #000 35%, transparent 78%);
          mask-image: radial-gradient(120% 90% at 70% 0%, #000 35%, transparent 78%);
}
.hero-glow {
  position: absolute; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  top: -28%; right: -12%;
  background: radial-gradient(circle, rgba(200,241,53,.22), rgba(200,241,53,.06) 38%, transparent 66%);
  filter: blur(10px);
  animation: heroFloat 14s ease-in-out infinite alternate;
}
.hero-glow.two {
  top: auto; bottom: -34%; right: auto; left: -18%; width: 55vw; height: 55vw;
  background: radial-gradient(circle, rgba(126,154,18,.18), transparent 64%);
  animation-duration: 18s; animation-delay: -4s;
}
@keyframes heroFloat { from { transform: translate(0,0) scale(1); } to { transform: translate(-4%, 4%) scale(1.08); } }

.hero-inner { position: relative; z-index: 1; max-width: 980px; }
.hero h1 {
  font-size: var(--fs-display); letter-spacing: -.045em; line-height: .98; margin-top: var(--sp-5);
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: block; transform: translateY(110%); animation: lineUp .9s var(--ease-out) forwards; }
.hero h1 .line:nth-child(1) > span { animation-delay: .05s; }
.hero h1 .line:nth-child(2) > span { animation-delay: .16s; }
.hero h1 .line:nth-child(3) > span { animation-delay: .27s; }
@keyframes lineUp { to { transform: translateY(0); } }
.hero .lead { color: var(--on-dark-muted); max-width: 560px; margin-top: var(--sp-6); opacity: 0; animation: fadeUp .8s var(--ease-out) .5s forwards; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-top: var(--sp-7); opacity: 0; animation: fadeUp .8s var(--ease-out) .62s forwards; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.hero .kicker { opacity: 0; animation: fadeUp .8s var(--ease-out) forwards; }
@media (prefers-reduced-motion: reduce) {
  .hero h1 .line > span, .hero .lead, .hero-actions, .hero .kicker { animation: none !important; opacity: 1 !important; transform: none !important; }
}

/* zip seam — a volt "zipper" rule under the headline */
.zip-seam { display: flex; align-items: center; gap: 10px; margin-top: var(--sp-7); color: var(--on-dark-faint);
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; }
.zip-seam .teeth { flex: 1; height: 8px; background:
  repeating-linear-gradient(90deg, var(--volt) 0 6px, transparent 6px 12px); opacity: .5; border-radius: 2px; }

/* hero stat row */
.hero-stats { display: flex; flex-wrap: wrap; gap: clamp(1.5rem,4vw,3.5rem); margin-top: var(--sp-8);
  opacity: 0; animation: fadeUp .8s var(--ease-out) .74s forwards; }
@media (prefers-reduced-motion: reduce) { .hero-stats { animation: none; opacity: 1; } }
.hero-stat .n { font-family: var(--font-display); font-size: clamp(1.8rem,1rem+2vw,2.6rem); font-weight: 700; letter-spacing: -.03em; }
.hero-stat .n .u { color: var(--volt); }
.hero-stat .l { font-size: var(--fs-small); color: var(--on-dark-muted); margin-top: 2px; }

/* ---------- 7. Generic content blocks ---------- */
.card {
  background: var(--paper); border: 1px solid var(--light-line); border-radius: var(--r-lg);
  padding: var(--sp-6); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur);
  height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.section--dark .card { background: var(--ink-3); border-color: var(--ink-line); }
.section--dark .card:hover { border-color: rgba(200,241,53,.3); box-shadow: none; }
.card .ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(200,241,53,.14); color: var(--volt-deep); margin-bottom: var(--sp-4); }
.section--dark .card .ico { color: var(--volt); }
.card h3 { margin-bottom: var(--sp-3); }
.card p { color: var(--on-light-muted); font-size: var(--fs-small); }
.section--dark .card p { color: var(--on-dark-muted); }
.card .num { font-family: var(--font-mono); font-size: .8rem; color: var(--on-light-faint); }

/* ---------- 8. Logo / trust strip ---------- */
.trust { border-top: 1px solid var(--ink-line); border-bottom: 1px solid var(--ink-line); }
.trust-label { text-align: center; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--on-dark-faint); margin-bottom: var(--sp-5); }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
           mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: clamp(2rem,6vw,5rem); width: max-content; animation: scroll-x 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.1rem,2.5vw,1.6rem);
  color: var(--on-dark-muted); white-space: nowrap; letter-spacing: -.02em; opacity: .8; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- 9. Scroll reveal ---------- */
/* Hidden state only applies when JS is available (html.js), so content is
   never invisible if scripts fail to load. site.js adds .in on intersect. */
.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.js [data-reveal].in { opacity: 1; transform: none; }
.js [data-reveal-stagger] > * { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.js [data-reveal-stagger].in > * { opacity: 1; transform: none; }
.js [data-reveal-stagger].in > *:nth-child(1){ transition-delay: .05s; }
.js [data-reveal-stagger].in > *:nth-child(2){ transition-delay: .13s; }
.js [data-reveal-stagger].in > *:nth-child(3){ transition-delay: .21s; }
.js [data-reveal-stagger].in > *:nth-child(4){ transition-delay: .29s; }
.js [data-reveal-stagger].in > *:nth-child(5){ transition-delay: .37s; }
.js [data-reveal-stagger].in > *:nth-child(6){ transition-delay: .45s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-stagger] > * { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-glow, .marquee-track { animation: none !important; }
}

/* ---------- 10. Footer ---------- */
.footer { background: var(--ink); color: var(--on-dark); padding-block: var(--sp-9) var(--sp-6); border-top: 1px solid var(--ink-line); }
.footer-top { display: grid; gap: var(--sp-7); grid-template-columns: 1fr; }
@media (min-width: 800px) { .footer-top { grid-template-columns: 1.6fr 1fr 1fr; } }
.footer .brand { margin-bottom: var(--sp-4); }
.footer-blurb { color: var(--on-dark-muted); font-size: var(--fs-small); max-width: 340px; }
.footer h4 { font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--on-dark-faint); margin-bottom: var(--sp-4); }
.footer-col a { display: block; color: var(--on-dark-muted); font-size: var(--fs-small); padding-block: .35rem; transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--volt); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--sp-4); justify-content: space-between; align-items: center;
  margin-top: var(--sp-8); padding-top: var(--sp-5); border-top: 1px solid var(--ink-line);
  font-size: var(--fs-small); color: var(--on-dark-faint); }

/* ---------- 11b. Demo host (full-screen embedded demo) ---------- */
.demohost { height: 100vh; height: 100dvh; display: flex; flex-direction: column; background: var(--ink); overflow: hidden; }
.demobar { flex: none; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: .7rem clamp(1rem, 3vw, 1.5rem); background: var(--ink); border-bottom: 1px solid var(--ink-line); color: var(--on-dark); }
.demobar .left, .demobar .right { display: flex; align-items: center; gap: var(--sp-4); flex: 1; }
.demobar .right { justify-content: flex-end; }
.demobar .center { display: none; flex-direction: column; align-items: center; text-align: center; min-width: 0; }
@media (min-width: 760px) { .demobar .center { display: flex; } }
.demobar .back { display: inline-flex; align-items: center; gap: .5rem; color: var(--on-dark-muted); font-size: var(--fs-small); font-weight: 600; transition: color var(--dur-fast); }
.demobar .back:hover { color: var(--volt); }
.demobar .back .arrow { transition: transform var(--dur); }
.demobar .back:hover .arrow { transform: translateX(-3px); }
.demobar .title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; letter-spacing: -.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60vw; }
.demobar .chip { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); background: var(--volt); padding: .15rem .5rem; border-radius: var(--r-pill); margin-top: 3px; }
.demobar .brand { color: var(--on-dark); }
.demobar .brand svg { width: 26px; height: 26px; }
.demoframe { flex: 1; width: 100%; border: 0; background: #fff; }
.demohint { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 5;
  background: rgba(11,13,18,.86); color: var(--on-dark); backdrop-filter: blur(8px); border: 1px solid var(--ink-line);
  font-size: var(--fs-small); padding: .55rem 1rem; border-radius: var(--r-pill); box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: .6rem; animation: fadeUp .5s var(--ease-out) .4s both; }
.demohint button { color: var(--on-dark-faint); font-size: 1.1rem; line-height: 1; }
.demohint button:hover { color: var(--volt); }
@media (prefers-reduced-motion: reduce) { .demohint { animation: none; } }

/* ---------- 11c. Products gallery ---------- */
.filterbar { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: var(--sp-7); }
.filter-btn { padding: .55rem 1.1rem; border-radius: var(--r-pill); border: 1.5px solid var(--light-line);
  font-size: var(--fs-small); font-weight: 600; color: var(--on-light-muted); transition: all var(--dur-fast) var(--ease); background: var(--paper); }
.filter-btn:hover { border-color: var(--on-light-faint); color: var(--on-light); }
.filter-btn.active { background: var(--ink); color: var(--on-dark); border-color: var(--ink); }
.demo-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.demo-card .thumb { aspect-ratio: 16 / 10; background: var(--ink); position: relative; overflow: hidden; border-bottom: 1px solid var(--light-line); }
.demo-card .thumb iframe { position: absolute; top: 0; left: 0; border: 0; transform-origin: top left; pointer-events: none; }
.demo-card .thumb .veil { position: absolute; inset: 0; z-index: 2; cursor: pointer;
  background: linear-gradient(to top, rgba(11,13,18,.55), rgba(11,13,18,0) 45%); transition: background var(--dur); }
.demo-card:hover .thumb .veil { background: linear-gradient(to top, rgba(11,13,18,.35), rgba(11,13,18,0) 55%); }
.demo-card .thumb .play { position: absolute; right: 14px; bottom: 14px; z-index: 3; display: inline-flex; align-items: center; gap: .5rem;
  background: var(--volt); color: var(--ink); font-weight: 600; font-size: var(--fs-small); padding: .5rem 1rem; border-radius: var(--r-pill);
  transform: translateY(6px); opacity: 0; transition: all var(--dur) var(--ease); box-shadow: var(--shadow-volt); }
.demo-card:hover .thumb .play { transform: none; opacity: 1; }
.demo-card .pad { padding: var(--sp-5) var(--sp-5) var(--sp-6); display: flex; flex-direction: column; flex: 1; }
.demo-card .cat { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--volt-deep); }
.demo-card h3 { margin: .5rem 0 .5rem; font-size: 1.25rem; }
.demo-card p { color: var(--on-light-muted); font-size: var(--fs-small); flex: 1; }
.demo-card .open { margin-top: var(--sp-5); }
.demo-card.hide { display: none; }

/* ---------- 11d. Services ---------- */
.svc { display: grid; gap: var(--sp-5); padding-block: var(--sp-7); border-top: 1px solid var(--light-line); align-items: start; }
@media (min-width: 820px) { .svc { grid-template-columns: 320px 1fr; gap: var(--sp-8); } }
.svc:first-of-type { border-top: 0; }
.svc .marker { display: flex; flex-direction: column; gap: var(--sp-3); }
.svc .marker .no { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .14em; color: var(--volt-deep); }
.svc .marker h3 { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }
.svc .marker .ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--ink); color: var(--volt); }
.svc .body p { color: var(--on-light-muted); max-width: 60ch; }
.checklist { list-style: none; display: grid; gap: .7rem; margin-top: var(--sp-5); }
@media (min-width: 560px) { .checklist { grid-template-columns: 1fr 1fr; } }
.checklist li { display: flex; align-items: flex-start; gap: .6rem; font-size: var(--fs-small); }
.checklist li::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 1px; border-radius: 50%;
  background: var(--volt) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B0D12' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat; }

/* process steps */
.steps { counter-reset: step; display: grid; gap: var(--sp-5); }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(5, 1fr); } }
.step { position: relative; }
.step .n { font-family: var(--font-mono); font-size: .8rem; color: var(--volt); }
.step h4 { font-family: var(--font-display); font-size: 1.1rem; margin: .5rem 0; letter-spacing: -.02em; }
.step p { font-size: var(--fs-small); color: var(--on-dark-muted); }

/* ---------- 11e. About — team & testimonials ---------- */
.stat-band { display: grid; gap: var(--sp-6); text-align: center; }
@media (min-width: 640px) { .stat-band { grid-template-columns: repeat(4, 1fr); } }
.stat-band .n { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.2rem, 1.4rem + 2.6vw, 3.4rem); letter-spacing: -.04em; }
.stat-band .n .u { color: var(--volt-deep); }
.section--dark .stat-band .n .u { color: var(--volt); }
.stat-band .l { color: var(--on-light-muted); font-size: var(--fs-small); margin-top: .3rem; }
.section--dark .stat-band .l { color: var(--on-dark-muted); }

.person { text-align: left; }
.person .ph { aspect-ratio: 1; border-radius: var(--r-lg); margin-bottom: var(--sp-4); display: grid; place-items: center;
  background: linear-gradient(145deg, var(--ink-3), var(--ink)); color: var(--volt); font-family: var(--font-display);
  font-weight: 800; font-size: 2.4rem; letter-spacing: -.04em; border: 1px solid var(--ink-line); }
.person h4 { font-size: 1.15rem; letter-spacing: -.02em; }
.person .role { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--volt-deep); margin: .3rem 0 .6rem; }
.person p { font-size: var(--fs-small); color: var(--on-light-muted); }

.quote { display: flex; flex-direction: column; gap: var(--sp-5); }
.quote blockquote { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.15rem, 1rem + .8vw, 1.5rem);
  line-height: 1.4; letter-spacing: -.02em; }
.quote .by { display: flex; align-items: center; gap: .8rem; }
.quote .by .av { width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: var(--volt);
  display: grid; place-items: center; font-weight: 700; font-size: .9rem; flex: none; }
.quote .by .who b { display: block; font-size: var(--fs-small); }
.quote .by .who span { font-size: .82rem; color: var(--on-light-muted); }
.section--dark .quote .by .who span { color: var(--on-dark-muted); }

/* case study row */
.case { display: grid; gap: var(--sp-2); padding: var(--sp-6); }
.case .tag { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--volt-deep); }
.case h3 { font-size: 1.3rem; margin: .3rem 0; }
.case .res { display: flex; flex-wrap: wrap; gap: var(--sp-5); margin-top: var(--sp-4); }
.case .res div { font-size: var(--fs-small); color: var(--on-light-muted); }
.case .res b { display: block; font-family: var(--font-display); font-size: 1.4rem; color: var(--on-light); letter-spacing: -.03em; }

/* ---------- 11f. Contact form ---------- */
.contact-grid { display: grid; gap: var(--sp-8); }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.3fr .9fr; gap: var(--sp-9); align-items: start; } }
.form { display: grid; gap: var(--sp-5); }
.field { display: grid; gap: .45rem; }
.field.row2 { gap: var(--sp-5); }
@media (min-width: 560px) { .field-2col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); } }
.field label { font-size: var(--fs-small); font-weight: 600; }
.field label .req { color: var(--volt-deep); }
.field input, .field select, .field textarea {
  width: 100%; padding: .85rem 1rem; border-radius: var(--r-md); border: 1.5px solid var(--light-line);
  background: var(--paper); color: var(--on-light); font-size: var(--fs-body); transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--volt-deep); box-shadow: 0 0 0 4px rgba(200,241,53,.18);
}
.field .val { color: #C0392B; font-size: .82rem; min-height: 1em; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-aside { display: grid; gap: var(--sp-6); align-content: start; }
.aside-card { background: var(--ink); color: var(--on-dark); border-radius: var(--r-lg); padding: var(--sp-6); }
.aside-card h3 { font-size: 1.2rem; margin-bottom: var(--sp-3); }
.aside-card p { color: var(--on-dark-muted); font-size: var(--fs-small); }
.aside-list { display: grid; gap: var(--sp-4); margin-top: var(--sp-4); }
.aside-list li { display: flex; gap: .8rem; align-items: flex-start; list-style: none; font-size: var(--fs-small); color: var(--on-dark-muted); }
.aside-list .n { font-family: var(--font-mono); color: var(--volt); flex: none; }
.success { background: var(--ink); color: var(--on-dark); border-radius: var(--r-lg); padding: clamp(2rem,5vw,3.5rem); text-align: center; }
.success .tick { width: 64px; height: 64px; border-radius: 50%; background: var(--volt); color: var(--ink); display: grid; place-items: center; margin: 0 auto var(--sp-5); }
.success h2 { margin-bottom: var(--sp-3); }
.success p { color: var(--on-dark-muted); max-width: 460px; margin: 0 auto var(--sp-6); }
.alert-err { background: #FDEDEC; border: 1px solid #F5C6C2; color: #922; padding: .9rem 1.1rem; border-radius: var(--r-md); font-size: var(--fs-small); }

/* ---------- 11. Utilities ---------- */
.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; }
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }
.maxw-640 { max-width: 640px; }
.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--volt); color: var(--ink); padding: .6rem 1rem; border-radius: 0 0 var(--r-sm) 0; font-weight: 600; }
.skip-link:focus { left: 0; }