/* ==========================================================================
   Cryogenix - OAI mock 3
   A light-first editorial design system for an engineering consultancy.
   ========================================================================== */

:root {
  /* Brand constants - identical in both themes */
  --orange: #F46F24;
  --orange-hover: #DC5912;
  --orange-tint: #FFF0E7;
  --orange-ink: #B8440C;

  /* Semantic tokens - LIGHT */
  --bg: #F7F6F2;
  --surface: #FFFFFF;
  --surface-2: #EEEFEA;
  --band: #0B252B;
  --band-ink: #FFFFFF;
  --band-muted: rgba(255, 255, 255, .74);
  --band-accent: var(--orange);
  --ink: #102A30;
  --muted: #5F6E70;
  --border: #DDE3E1;
  --accent-ink: var(--orange-ink);
  --shadow: rgba(12, 35, 40, .10);
  --shadow-soft: 0 12px 40px rgba(12, 35, 40, .07);
  --shadow-large: 0 28px 80px rgba(12, 35, 40, .14);

  --maxw: 1240px;
  --nav-h: 84px;
}

/* Semantic tokens - DARK (elevation, not inversion) */
:root[data-theme="dark"] {
  --bg: #071B20;
  --surface: #102D34;
  --surface-2: #153840;
  --band: #0D272E;
  --band-ink: #F6F3F0;
  --band-muted: rgba(246, 243, 240, .76);
  --band-accent: var(--orange);
  --ink: #F6F3F0;
  --muted: #AAB9BA;
  --border: rgba(246, 243, 240, .16);
  --accent-ink: var(--orange);   /* brand orange clears AA on dark */
  --shadow: rgba(0, 0, 0, .34);
  --shadow-soft: 0 12px 40px rgba(0, 0, 0, .18);
  --shadow-large: 0 28px 80px rgba(0, 0, 0, .28);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color .25s ease, color .25s ease;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { text-underline-offset: 3px; }

/* ---------- Layout ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.section { padding: 120px 0; }
.section-band { background: var(--band); color: var(--band-ink); }
.section-tint { background: var(--surface-2); }

.section-header { max-width: 760px; margin-bottom: 64px; }
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-bottom: 18px;
}
.section-band .eyebrow { color: var(--band-accent); }
.h2 {
  font-size: clamp(34px, 4vw, 50px);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -0.035em;
}
.lede { font-size: 18px; color: var(--muted); margin-top: 22px; line-height: 1.7; max-width: 62ch; }
.section-band .lede { color: var(--band-muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn-primary { background: var(--orange); color: #102A30; box-shadow: 0 8px 22px rgba(244,111,36,.18); }
.btn-primary:hover { background: var(--orange-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 12px 30px rgba(244,111,36,.25); }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-1px); }
.btn-band { background: var(--surface); color: var(--band); }
:root[data-theme="dark"] .btn-band { color: var(--ink); }
.btn-band:hover { background: var(--orange-tint); color: rgb(11,32,38); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px;
  box-shadow: 0 1px 0 rgba(12,35,40,.02);
}
.card h3 { font-size: 21px; font-weight: 650; line-height: 1.3; margin-bottom: 12px; color: var(--ink); letter-spacing: -.015em; }
.card p { color: var(--muted); font-size: 15px; }

/* ---------- Focus ---------- */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Motion ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }
.hero-enter { opacity: 0; transform: translateY(14px); }
.ready .hero-enter { animation: heroIn .7s cubic-bezier(.22,.68,.36,1) forwards; }
.ready .hero-enter:nth-child(2) { animation-delay: .07s; }
.ready .hero-enter:nth-child(3) { animation-delay: .14s; }
.ready .hero-enter:nth-child(4) { animation-delay: .21s; }
@keyframes heroIn { to { opacity: 1; transform: none; } }

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

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 76px 0; }
  .card { padding: 24px; }
}

/* ---------- Theme-aware illustration tokens ---------- */
:root { --edge: #E5E7EB; --dot: #9CA3AF; --core: #FFFFFF; }
:root[data-theme="dark"] { --edge: rgba(246,243,240,.18); --dot: #AEBBC0; --core: #14343D; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--orange); color: #fff; padding: 12px 20px;
  border-radius: 0 0 8px 0; font-weight: 600; text-decoration: none;
}
.skip-link:focus { left: 0; }

/* ---------- Nav ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background-color .25s ease, border-color .25s ease;
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: var(--nav-h); }
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Manrope', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 25px; font-weight: 700;
  color: var(--ink); text-decoration: none; letter-spacing: -.025em; white-space: nowrap;
}
.logo > svg { width: 38px; height: 38px; }
.logo-light { color: #FFFFFF; }
:root[data-theme="dark"] .logo-light { color: var(--ink); }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin-left: auto; }
.nav-links > li { position: relative; }
.nav-links > li > a, .nav-trigger {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 13px; font-family: inherit; font-size: 14px; font-weight: 600;
  color: var(--ink); text-decoration: none; background: none; border: none;
  cursor: pointer; border-radius: 6px; transition: color .18s ease;
}
.nav-links > li > a:hover, .nav-trigger:hover { color: var(--accent-ink); }
.nav-links > li > a[aria-current="page"], .nav-trigger.is-current { color: var(--accent-ink); }
.nav-links > li > a[aria-current="page"]::after, .nav-trigger.is-current::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--orange);
}
.nav-trigger { position: relative; }
.nav-trigger svg { transition: transform .2s ease; }
.nav-trigger[aria-expanded="true"] svg { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 10px); left: 0; display: none;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 12px; box-shadow: var(--shadow-large);
}
.dropdown::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 100%;
  left: 0;
  height: 10px;
}
.dropdown.mega { grid-template-columns: repeat(2, minmax(245px, 1fr)); gap: 4px; left: auto; right: 0; }
.dropdown.mega.open { display: grid; }
.dropdown a {
  display: block; padding: 13px 14px; text-decoration: none;
  border-radius: 10px; transition: background .15s ease, transform .15s ease;
}
.dropdown a:hover { background: var(--surface-2); transform: translateX(2px); }
.dropdown a strong { display: block; font-size: 14px; font-weight: 700; color: var(--ink); }
.dropdown a span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 2px; }
:root[data-theme="dark"] .dropdown a:hover strong { color: var(--ink); }

.nav-cta { display: flex; }

/* Theme switch: top right, smaller than the nav font */
.theme-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 11px; margin-left: 2px;
  font-family: inherit; font-size: 12px; font-weight: 600; letter-spacing: .02em;
  color: var(--muted); background: transparent;
  border: 1px solid var(--border); border-radius: 20px; cursor: pointer;
  transition: color .18s ease, border-color .18s ease;
}
.theme-toggle:hover { color: var(--accent-ink); border-color: var(--orange); }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--ink); padding: 8px; }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  display: none; flex-direction: column; padding: 8px 24px 32px;
  background: var(--bg); border-bottom: 1px solid var(--border);
  position: sticky; top: var(--nav-h); z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-group { display: flex; flex-direction: column; padding: 14px 0; border-bottom: 1px solid var(--border); }
.mobile-group > span {
  font-size: 12px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent-ink); margin-bottom: 8px;
}
.mobile-menu a { padding: 9px 0; color: var(--ink); text-decoration: none; font-weight: 500; }
.mobile-menu .btn { margin-top: 20px; }

@media (max-width: 1100px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .theme-toggle { margin-left: auto; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--band); color: var(--band-muted); padding: 84px 0 34px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand p { margin-top: 16px; font-size: 14px; max-width: 320px; line-height: 1.7; }
.footer-col h4 { color: var(--band-ink); font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col a, .footer-legal a {
  display: block; padding: 5px 0; font-size: 14px;
  color: var(--band-muted); text-decoration: none; transition: color .18s ease;
}
.footer-col a:hover, .footer-legal a:hover { color: var(--orange); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding-top: 28px; border-top: 1px solid var(--border); font-size: 13px;
}
.footer-meta { display: flex; align-items: center; gap: 30px; }
.footer-social { display: flex; align-items: center; gap: 9px; }
.social-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--band-muted);
  border: 1px solid color-mix(in srgb, var(--band-muted) 34%, transparent);
  border-radius: 50%;
}
.social-placeholder svg { width: 14px; height: 14px; fill: currentColor; }
.footer-email { display: inline-flex; align-items: center; gap: 8px; margin-right: 8px; color: var(--band-muted); transition: color .2s; }
.footer-email:hover { color: var(--orange); }
.footer-email svg { width: 16px; height: 16px; flex: none; }
.footer-legal { display: flex; gap: 24px; }
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-meta { width: 100%; justify-content: space-between; }
}
@media (max-width: 480px) {
  .footer-meta { align-items: flex-start; flex-direction: column; gap: 16px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 112px 0 122px;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 22%, rgba(244,111,36,.10), transparent 25rem),
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 38%, transparent), transparent 72%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 620px; height: 620px; right: -330px; bottom: -400px;
  border: 1px solid color-mix(in srgb, var(--orange) 18%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 0 72px color-mix(in srgb, var(--orange) 4%, transparent), 0 0 0 144px color-mix(in srgb, var(--orange) 3%, transparent);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.06fr .94fr; gap: 76px; align-items: center; }
.hero-inner > * { min-width: 0; }
.hero-content { max-width: 700px; }
.hero-headline {
  font-size: clamp(44px, 5vw, 68px); font-weight: 650;
  line-height: 1.01; letter-spacing: -.052em;
}
.hero-headline em { font-style: normal; color: var(--orange); }
.hero-sub { font-size: 18px; color: var(--muted); margin-top: 28px; max-width: 58ch; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.hero-visual {
  position: relative;
  padding: 34px 28px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  box-shadow: var(--shadow-large);
}
.hero-visual::before {
  content: "SYSTEM / PRODUCTION";
  position: absolute; top: 18px; left: 20px;
  color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .16em;
}
.hero-visual::after {
  content: "";
  position: absolute; top: 19px; right: 20px;
  width: 7px; height: 7px; border-radius: 50%; background: #35A877;
  box-shadow: 0 0 0 4px color-mix(in srgb, #35A877 16%, transparent);
}
.hero-visual svg { width: 100%; min-width: 0; height: auto; margin-top: 8px; }
.ready .flow-line { animation: flow 2.6s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -32; } }
.ready .live-dot { animation: live 2.4s ease-in-out infinite; }
@keyframes live { 0%,100% { opacity: 1; } 50% { opacity: .28; } }
@media (max-width: 950px) {
  .hero { padding: 64px 0 82px; }
  .hero-inner { grid-template-columns: 1fr; gap: 38px; }
  .hero-visual { max-width: 520px; }
}

/* ---------- Value band ---------- */
.value-band { background: var(--band); color: var(--band-ink); padding: 92px 0; }
.value-band p {
  position: relative;
  font-size: clamp(23px, 2.7vw, 36px); font-weight: 500;
  line-height: 1.4; letter-spacing: -.025em; max-width: 42ch;
  padding-left: 30px;
}
.value-band p::before { content: ""; position: absolute; inset: 5px auto 5px 0; width: 3px; border-radius: 3px; background: var(--orange); }

/* ---------- Service cards ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-card { position: relative; overflow: hidden; display: flex; flex-direction: column; text-decoration: none; color: var(--ink); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.svc-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .22s ease; }
.svc-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-soft); border-color: color-mix(in srgb, var(--orange) 40%, var(--border)); }
.svc-card:hover::before { transform: scaleX(1); }
.svc-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 22px; border-radius: 13px; background: var(--orange-tint); }
:root[data-theme="dark"] .svc-icon { background: rgba(244,111,36,.12); }
.svc-card ul { list-style: none; margin: 18px 0 22px; }
.svc-card li {
  font-size: 14px; color: var(--muted); padding: 8px 0 8px 20px;
  position: relative; border-top: 1px solid var(--border);
}
.svc-card li::before {
  content: ""; position: absolute; left: 0; top: 16px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--orange);
}
.svc-link {
  margin-top: auto; align-self: flex-start; font-weight: 600; font-size: 15px;
  color: var(--accent-ink); border-bottom: 1.5px solid transparent; transition: border-color .18s ease;
}
.svc-link::after { content: " →"; }
.svc-card:hover .svc-link { border-bottom-color: var(--accent-ink); }
@media (max-width: 1000px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .svc-grid { grid-template-columns: 1fr; } }

/* ---------- Phases ---------- */
.phase-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; list-style: none; }
.phase { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 30px; box-shadow: 0 8px 24px rgba(12,35,40,.04); }
.phase-num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--orange-tint); font-size: 11px; font-weight: 800; letter-spacing: .08em; color: var(--accent-ink); }
:root[data-theme="dark"] .phase-num { background: rgba(244,111,36,.13); }
.section-band .phase-num { color: var(--orange); }
.phase h3 { font-size: 20px; font-weight: 650; margin: 18px 0 8px; color: var(--ink); letter-spacing: -.015em; }
.phase-dur {
  display: inline-block; font-size: 12px; font-weight: 600; color: var(--muted);
  background: var(--surface-2); padding: 3px 10px; border-radius: 20px; margin-bottom: 14px;
}
.phase p { font-size: 14px; color: var(--muted); }
@media (max-width: 1024px) { .phase-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .phase-grid { grid-template-columns: 1fr; } }

/* ---------- Discipline / values / case grids ---------- */
.disc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.val-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.disc-grid .card, .val-grid .card { position: relative; }
.disc-grid .card::before, .val-grid .card::before { content: ""; display: block; width: 34px; height: 3px; margin-bottom: 24px; border-radius: 3px; background: var(--orange); }
.soon { display: block; margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--accent-ink); }
.careers-note { margin-top: 34px; color: var(--band-muted); }
.careers-note a { color: var(--orange); }
@media (max-width: 1024px) { .val-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { .disc-grid, .val-grid { grid-template-columns: 1fr; } }

/* ---------- Platforms ---------- */
.plat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.plat-grid span {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 88px; padding: 16px; background: color-mix(in srgb, var(--surface) 72%, transparent);
  border: 1px solid var(--border); border-radius: 14px;
  font-weight: 650; font-size: 14px; letter-spacing: -.01em; color: var(--muted);
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.plat-grid span:hover { color: var(--ink); border-color: color-mix(in srgb, var(--orange) 45%, var(--border)); background: var(--surface); }
@media (max-width: 900px) { .plat-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Closing CTA ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--band); color: var(--band-ink); padding: 116px 0; text-align: center; }
.cta-band::before { content: ""; position: absolute; inset: -180px auto auto 50%; transform: translateX(-50%); width: 540px; height: 540px; border-radius: 50%; background: radial-gradient(circle, rgba(244,111,36,.13), transparent 66%); pointer-events: none; }
.cta-band .container { position: relative; }
.cta-band h2 { font-size: clamp(36px, 4.4vw, 56px); font-weight: 650; letter-spacing: -.045em; line-height: 1.06; }
.cta-band p { font-size: 18px; color: var(--band-muted); margin: 18px auto 34px; max-width: 46ch; }

/* ---------- Inner page heroes ---------- */
.page-hero {
  position: relative;
  padding: 104px 0 88px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(244,111,36,.10), transparent 23rem),
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 42%, transparent), transparent);
  border-bottom: 1px solid var(--border);
}
.page-hero::after { content: ""; position: absolute; width: 320px; height: 320px; right: -120px; top: -180px; border-radius: 50%; border: 1px solid rgba(244,111,36,.2); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { max-width: 14ch; font-size: clamp(46px, 6vw, 74px); font-weight: 650; letter-spacing: -.052em; line-height: .98; }
.page-hero h1 span { color: var(--accent-ink); }
.page-lede { font-size: 19px; color: var(--muted); max-width: 62ch; line-height: 1.7; margin: 26px 0 34px; }

/* ---------- Services hub ---------- */
.hub-sec { padding: 96px 0; border-top: 1px solid var(--border); }
.hub-head { max-width: 720px; margin-bottom: 40px; }
.hub-head .svc-icon { margin-bottom: 22px; }
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 40px; }
.cap { position: relative; border-top: 1px solid var(--border); padding: 22px 0 8px 20px; }
.cap::before { content: ""; position: absolute; left: 0; top: 27px; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }
.cap h3 { font-size: 17px; font-weight: 650; margin-bottom: 8px; }
.cap p { font-size: 14px; color: var(--muted); }
@media (max-width: 800px) { .cap-grid { grid-template-columns: 1fr; } }

/* ---------- Case cards ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden; display: flex; flex-direction: column;
  box-shadow: 0 1px 0 rgba(12,35,40,.02);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); border-color: color-mix(in srgb, var(--orange) 38%, var(--border)); }
.case-art { height: 170px; position: relative; overflow: hidden; }
.case-art::after { content: ""; position: absolute; width: 170px; height: 170px; right: -38px; bottom: -85px; border-radius: 50%; border: 1px solid rgba(255,255,255,.42); box-shadow: 0 0 0 28px rgba(255,255,255,.08), 0 0 0 58px rgba(255,255,255,.05); }
.art-a { background: linear-gradient(135deg, #D95616 0%, #F78A4C 56%, #FFD4BA 100%); }
.art-b { background: linear-gradient(135deg, #0B252B 0%, #315F64 58%, #D85A1A 100%); }
.art-c { background: linear-gradient(135deg, #E4DDD2 0%, #EF7C3D 62%, #17343A 100%); }
.badge {
  position: absolute; top: 14px; left: 14px;
  background: rgba(255,255,255,.94); color: #1C1917;
  font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 20px;
}
.case-body { padding: 28px; }
.case-tag { font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--accent-ink); }
.case-body h3 { font-size: 19px; font-weight: 700; line-height: 1.3; margin: 12px 0 10px; color: var(--ink); }
.case-body p { font-size: 14px; color: var(--muted); }
@media (max-width: 1000px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .case-grid { grid-template-columns: 1fr; } }

/* ---------- Contact ---------- */
.contact-wrap { padding: 104px 0 120px; background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 36%, transparent), transparent 42%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: start; }
.contact-intro h1 { font-size: clamp(46px, 5.5vw, 68px); font-weight: 650; letter-spacing: -.05em; line-height: 1; }
.contact-intro > p { font-size: 18px; color: var(--muted); margin: 20px 0 44px; max-width: 46ch; line-height: 1.65; }
.next-steps h2 {
  font-size: 13px; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent-ink); margin-bottom: 8px;
}
.next-steps ol { list-style: none; }
.next { display: flex; gap: 16px; padding: 21px 0; border-top: 1px solid var(--border); }
.next > span {
  flex: 0 0 30px; height: 30px; border-radius: 50%;
  background: var(--orange-tint); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.next h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.next p { font-size: 14px; color: var(--muted); }
.contact-form {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px; display: flex; flex-direction: column; gap: 20px;
  box-shadow: var(--shadow-large);
}
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: flex; flex-direction: column; gap: 7px; font-size: 14px; font-weight: 600; }
.contact-form input, .contact-form select, .contact-form textarea {
  font-family: inherit; font-size: 15px; font-weight: 400; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--ink);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.contact-form input:hover, .contact-form select:hover, .contact-form textarea:hover { border-color: color-mix(in srgb, var(--ink) 30%, var(--border)); }
.contact-form textarea { resize: vertical; }
.contact-form .check { flex-direction: row; align-items: flex-start; gap: 11px; font-weight: 400; color: var(--muted); font-size: 13px; }
.contact-form .check input { width: 17px; height: 17px; flex: 0 0 auto; margin-top: 2px; }
.form-note { font-size: 14px; min-height: 20px; }
.form-note.ok { color: #15803D; font-weight: 600; }
:root[data-theme="dark"] .form-note.ok { color: #4ADE80; }
.form-note.err { color: #B91C1C; font-weight: 600; }
:root[data-theme="dark"] .form-note.err { color: #FCA5A5; }
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .contact-form .row { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  :root { --nav-h: 72px; }
  .logo { font-size: 26px; }
  .logo > svg { width: 34px; height: 34px; }
  .theme-label { display: none; }
  .theme-toggle { padding: 8px; }
  .hero { padding: 56px 0 72px; }
  .nav-inner { gap: 10px; }
  .hero-headline { font-size: clamp(38px, 10vw, 48px); line-height: 1.02; letter-spacing: -.047em; }
  .hero-sub { font-size: 17px; margin-top: 24px; }
  .hero-actions { margin-top: 30px; }
  .hero-actions .btn { flex: 1 1 150px; }
  .hero-visual { padding: 28px 14px 14px; border-radius: 20px; }
  .hero-visual::before { top: 13px; left: 14px; font-size: 8px; }
  .hero-visual::after { top: 14px; right: 15px; }
  .value-band { padding: 70px 0; }
  .value-band p { padding-left: 22px; }
  .section-header { margin-bottom: 42px; }
  .page-hero { padding: 72px 0 64px; }
  .page-hero h1 { font-size: clamp(42px, 13vw, 60px); }
  .page-lede { font-size: 17px; }
  .cta-band { padding: 84px 0; }
  .contact-wrap { padding: 72px 0 84px; }
  .contact-form { padding: 24px; }
  .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; flex-basis: auto; }
}

/* ==========================================================================
   OAI mock 3 editorial art direction
   ========================================================================== */

:root {
  --bg: #FAF9F6;
  --surface-2: #F1F0EB;
  --border: #D9DEDC;
  --maxw: 1280px;
  --nav-h: 80px;
}

/* ==========================================================================
   OAI mock 3 refinements
   ========================================================================== */

.section { padding: 88px 0; }
.section-header { margin-bottom: 46px; }
.hub-sec { padding: 76px 0; }
.page-hero { padding: 82px 0 72px; }
.cta-band { padding: 76px 0; }
.site-footer { padding: 68px 0 28px; }
.footer-top { padding-bottom: 38px; }

.hero {
  padding: 72px 0 84px;
}

.hero-inner {
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, .92fr);
  gap: 60px;
  align-items: end;
}

.hero-content { max-width: 650px; }

.hero-headline {
  max-width: 10ch;
  font-size: clamp(50px, 5.4vw, 72px);
  line-height: .97;
}

.hero-sub {
  max-width: 51ch;
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.65;
}

.hero-actions { margin-top: 30px; }

.hero-visual,
.hero-visual > img {
  min-height: 430px;
  height: 430px;
}

.hero-visual::before {
  inset: 34px -24px 0 48px;
}

.hero-visual::after {
  top: 16px;
  right: -14px;
  width: 38px;
  height: 38px;
}

.value-band { padding: 58px 0; }
.value-band p { max-width: 54ch; }

#services > .container { gap: 64px; }
.svc-card { padding: 28px 24px; }
.svc-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  color: var(--ink);
  background: color-mix(in srgb, var(--orange-tint) 82%, var(--surface));
}
.svc-icon svg { width: 32px; height: 32px; }

/* Contact: message form */
.contact-wrap { padding: 74px 0 88px; }
.contact-head { max-width: 760px; margin-bottom: 48px; }
.contact-head h1 {
  font-size: clamp(50px, 6vw, 76px);
  font-weight: 650;
  letter-spacing: -.055em;
  line-height: .98;
}
.contact-head > p { margin-top: 18px; color: var(--muted); font-size: 19px; }

.contact-choice-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 76px minmax(0, 1fr);
  align-items: stretch;
}
.contact-option { min-width: 0; }
.contact-option > .option-number {
  display: block;
  margin-bottom: 10px;
  color: var(--accent-ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .13em;
}
.contact-option > h2 { font-size: clamp(28px, 3vw, 38px); line-height: 1.1; letter-spacing: -.035em; }
.contact-option > p { max-width: 42ch; margin-top: 12px; color: var(--muted); }

.contact-or { position: relative; display: grid; place-items: center; margin: 0 22px; }
.contact-or::before { content: ""; position: absolute; inset: 0 50%; border-left: 1px solid var(--border); }
.contact-or span {
  position: relative;
  z-index: 1;
  padding: 10px 0;
  background: var(--bg);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.contact-form {
  margin-top: 24px;
  padding: 28px;
  gap: 17px;
  border-radius: 2px;
  box-shadow: var(--shadow-soft);
}
.contact-form .optional { margin-left: 6px; color: var(--muted); font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .08em; }
.contact-form textarea { min-height: 142px; }

.booking-note { margin-top: 14px !important; font-size: 12px; }

/* Privacy */
.privacy-hero h1 { max-width: 15ch; }
.privacy-updated { margin-top: 24px; color: var(--muted); font-size: 13px; }
.privacy-section { border-top: 1px solid var(--border); }
.privacy-layout { display: grid; grid-template-columns: 260px minmax(0, 760px); gap: 84px; align-items: start; }
.privacy-nav {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}
.privacy-nav strong { padding: 18px 0 10px; color: var(--accent-ink); font-size: 11px; letter-spacing: .13em; text-transform: uppercase; }
.privacy-nav a { padding: 7px 0; color: var(--muted); font-size: 13px; text-decoration: none; }
.privacy-nav a:hover { color: var(--ink); }
.privacy-content { min-width: 0; }
.privacy-content > section { display: grid; grid-template-columns: 42px 1fr; padding: 30px 0 34px; border-top: 1px solid var(--border); scroll-margin-top: calc(var(--nav-h) + 22px); }
.privacy-content > section > span { grid-row: 1 / span 2; color: var(--accent-ink); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.privacy-content h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.14; letter-spacing: -.03em; }
.privacy-content section p { margin-top: 12px; color: var(--muted); line-height: 1.75; }
.privacy-content section a { color: var(--ink); font-weight: 600; }

@media (max-width: 1050px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr); gap: 44px; }
  .hero-visual,
  .hero-visual > img { min-height: 410px; height: 410px; }
  .privacy-layout { grid-template-columns: 220px minmax(0, 1fr); gap: 54px; }
}

@media (max-width: 950px) {
  .hero-inner { grid-template-columns: 1fr; align-items: start; }
  .hero-visual { width: calc(100% - 24px); max-width: 650px; margin: 34px 0 0 24px; }
  .hero-visual::before { inset: 28px -24px 0 36px; }
  .contact-choice-grid { grid-template-columns: 1fr; gap: 34px; }
  .contact-or { min-height: 24px; margin: 0; }
  .contact-or::before { inset: 50% 0 auto; border: 0; border-top: 1px solid var(--border); }
  .contact-or span { padding: 0 14px; }
  .privacy-layout { grid-template-columns: 1fr; gap: 40px; }
  .privacy-nav { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }
  .privacy-nav strong { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .section { padding: 64px 0; }
  .section-header { margin-bottom: 34px; }
  .hub-sec { padding: 62px 0; }
  .page-hero { padding: 62px 0 54px; }
  .cta-band { padding: 62px 0; }
  .site-footer { padding-top: 58px; }
  .hero { padding: 44px 0 64px; }
  .hero-headline { font-size: clamp(42px, 12vw, 54px); }
  .hero-sub { margin-top: 20px; }
  .hero-actions { margin-top: 26px; }
  .hero-visual { min-height: 360px; width: calc(100% - 14px); margin: 30px 0 0 14px; }
  .hero-visual > img { min-height: 360px; height: 360px; }
  .hero-visual::before { inset: 24px -14px 0 28px; }
  .hero-visual::after { right: -8px; width: 32px; height: 32px; }
  .value-band { padding: 50px 0; }
  #services > .container { gap: 38px; }
  .svc-card { padding: 26px 0; }
  .contact-wrap { padding: 58px 0 68px; }
  .contact-head { margin-bottom: 36px; }
  .contact-head h1 { font-size: clamp(46px, 14vw, 62px); }
  .contact-head > p { font-size: 17px; }
  .contact-form { padding: 22px; }
  .privacy-nav { grid-template-columns: 1fr; }
  .privacy-content > section { grid-template-columns: 32px 1fr; padding: 26px 0 30px; }
}

body { letter-spacing: -.006em; }

.logo {
  font-family: 'Manrope', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -.055em;
}

.logo > svg { width: 38px; height: 38px; overflow: visible; }

.site-nav { background: color-mix(in srgb, var(--bg) 92%, transparent); }

.theme-toggle {
  width: 34px;
  height: 34px;
  justify-content: center;
  padding: 0;
  margin-left: 2px;
}

.theme-label { display: none; }

.btn {
  border-radius: 4px;
  padding-inline: 26px;
}

.hero {
  padding: 100px 0 128px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 74%, transparent), transparent 76%);
}

.hero::after { display: none; }

.hero-inner {
  grid-template-columns: minmax(0, 1.1fr) minmax(400px, .9fr);
  gap: 88px;
}

.hero-content { max-width: 730px; }

.hero-headline {
  max-width: 12.5ch;
  font-size: clamp(48px, 5vw, 68px);
  line-height: .99;
  letter-spacing: -.058em;
}

.hero-headline em { color: var(--orange); }

.hero-sub {
  max-width: 58ch;
  margin-top: 30px;
  font-size: 17px;
}

.hero-actions { margin-top: 36px; }

.hero-visual {
  isolation: isolate;
  min-height: 610px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.hero-visual::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 48px -32px -28px 56px;
  border: 0;
  border-radius: 0;
  background: var(--orange);
  box-shadow: none;
}

.hero-visual::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 20px;
  right: -18px;
  width: 44px;
  height: 44px;
  border-radius: 0;
  background:
    linear-gradient(90deg, transparent 47%, var(--surface) 47% 53%, transparent 53%),
    linear-gradient(transparent 47%, var(--surface) 47% 53%, transparent 53%),
    var(--band);
  box-shadow: none;
}

.hero-visual > img {
  width: 100%;
  height: 610px;
  object-fit: cover;
  object-position: 48% center;
  border-radius: 2px;
  filter: saturate(.82) contrast(1.02);
}

.hero-caption {
  position: absolute;
  z-index: 3;
  left: -44px;
  bottom: -30px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: min(310px, 74%);
  padding: 22px 24px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-large);
}

.hero-caption span {
  color: var(--accent-ink);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hero-caption strong {
  font-size: 16px;
  line-height: 1.35;
  letter-spacing: -.02em;
}

.hero-signal {
  position: absolute;
  z-index: 3;
  top: 78px;
  right: -38px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero-signal span {
  padding: 7px 10px;
  color: var(--band-ink);
  background: color-mix(in srgb, var(--band) 92%, transparent);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.value-band { padding: 82px 0; }
.value-band p { max-width: 48ch; font-size: clamp(22px, 2.45vw, 34px); }

#services > .container {
  display: grid;
  grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr);
  gap: 88px;
  align-items: start;
}

#services .section-header {
  position: sticky;
  top: calc(var(--nav-h) + 44px);
  margin: 0;
}

.svc-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--border);
}

.svc-card {
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 34px 30px;
}

.svc-card:nth-child(odd) { border-right: 1px solid var(--border); }
.svc-card::before { display: none; }
.svc-card:hover {
  z-index: 1;
  transform: none;
  border-color: var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.svc-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 28px;
  border-radius: 2px;
}

.svc-card h3 { font-size: 23px; }
.svc-card ul { margin-bottom: 26px; }

.section-tint .phase {
  border: 0;
  border-top: 2px solid var(--orange);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 26px 12px 16px 0;
}

.section-tint .phase-num {
  width: auto;
  height: auto;
  place-items: initial;
  background: transparent;
  border-radius: 0;
}

.section-band .disc-grid .card,
.section-band .val-grid .card {
  padding: 30px 24px 12px 0;
  border: 0;
  border-top: 1px solid rgba(255,255,255,.28);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.plat-grid {
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.plat-grid span {
  min-height: 104px;
  border: 0;
  border-right: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
}

.plat-grid span:last-child { border-right: 0; }

.page-hero {
  padding: 118px 0 104px;
  background: linear-gradient(115deg, color-mix(in srgb, var(--surface) 68%, transparent), transparent 74%);
}

.page-hero h1 {
  max-width: 12ch;
  font-size: clamp(54px, 7vw, 88px);
  letter-spacing: -.065em;
}

.case-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.case-card { grid-column: span 4; border-radius: 2px; }
.case-card:first-child { grid-column: span 8; }
.case-card:first-child .case-art { height: 290px; }
.case-card:nth-child(2) .case-art { height: 290px; }
.case-art { height: 190px; }

.contact-form { border-radius: 2px; }

@media (max-width: 1050px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(340px, .8fr);
    gap: 54px;
  }
  .hero-visual,
  .hero-visual > img { min-height: 540px; height: 540px; }
  #services > .container { grid-template-columns: 1fr; gap: 48px; }
  #services .section-header { position: static; }
  .case-card,
  .case-card:first-child { grid-column: span 6; }
}

@media (max-width: 950px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { width: calc(100% - 36px); max-width: 650px; margin: 22px 0 30px 36px; }
  .hero-caption { left: -36px; }
}

@media (max-width: 700px) {
  .logo { font-size: 22px; }
  .hero { padding: 62px 0 86px; }
  .hero-headline { max-width: none; font-size: clamp(40px, 11.5vw, 52px); }
  .hero-visual { min-height: 450px; width: calc(100% - 18px); margin-left: 18px; }
  .hero-visual > img { min-height: 450px; height: 450px; }
  .hero-visual::before { inset: 28px -18px -18px 34px; }
  .hero-visual::after { right: -10px; width: 36px; height: 36px; }
  .hero-caption { left: -18px; bottom: -24px; padding: 18px; }
  .hero-signal { display: none; }
  .svc-grid { grid-template-columns: 1fr; }
  .svc-card:nth-child(odd) { border-right: 0; }
  .svc-card { padding-inline: 0; }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .plat-grid span { border-bottom: 1px solid var(--border); }
  .case-card,
  .case-card:first-child { grid-column: 1 / -1; }
  .case-card:first-child .case-art,
  .case-card:nth-child(2) .case-art,
  .case-art { height: 210px; }
}

/* Final mock 3 cascade: compact spacing and hero alignment */
.page-hero { padding: 82px 0 72px; }
.hero { padding: 72px 0 84px; }
.hero-inner {
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, .92fr);
  gap: 60px;
  align-items: end;
}
.hero-content { max-width: 650px; }
.hero-headline { max-width: 10ch; font-size: clamp(50px, 5.4vw, 72px); line-height: .97; }
.hero-sub { max-width: 51ch; margin-top: 24px; font-size: 17px; line-height: 1.65; }
.hero-actions { margin-top: 30px; }
.hero-visual,
.hero-visual > img { min-height: 430px; height: 430px; }
.hero-visual::before { inset: 34px -24px 0 48px; }
.hero-visual::after { top: 16px; right: -14px; width: 38px; height: 38px; }
.value-band { padding: 58px 0; }
.value-band p { max-width: 54ch; }
#services > .container { gap: 64px; }
.svc-card { padding: 28px 24px; }
.svc-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  color: var(--ink);
  background: color-mix(in srgb, var(--orange-tint) 82%, var(--surface));
}
.svc-icon svg { width: 32px; height: 32px; }

@media (max-width: 1050px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr); gap: 44px; }
  .hero-visual,
  .hero-visual > img { min-height: 410px; height: 410px; }
}

@media (max-width: 950px) {
  .hero-inner { grid-template-columns: 1fr; align-items: start; }
  .hero-visual { width: calc(100% - 24px); max-width: 650px; margin: 34px 0 0 24px; }
  .hero-visual::before { inset: 28px -24px 0 36px; }
}

@media (max-width: 700px) {
  .page-hero { padding: 62px 0 54px; }
  .hero { padding: 44px 0 64px; }
  .hero-headline { max-width: none; font-size: clamp(42px, 12vw, 54px); }
  .hero-sub { margin-top: 20px; }
  .hero-actions { margin-top: 26px; }
  .hero-visual { min-height: 360px; width: calc(100% - 14px); margin: 30px 0 0 14px; }
  .hero-visual > img { min-height: 360px; height: 360px; }
  .hero-visual::before { inset: 24px -14px 0 28px; }
  .hero-visual::after { right: -8px; width: 32px; height: 32px; }
  .value-band { padding: 50px 0; }
  #services > .container { gap: 38px; }
  .svc-card { padding: 26px 0; }
}

/* Process and ecosystem refinements */
.process-header,
.ecosystem-header { max-width: none; }

.process-lede,
.ecosystem-lede {
  max-width: none;
  white-space: nowrap;
  font-size: 17px;
  letter-spacing: -.012em;
}

.platform-cloud {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 34px 38px;
  align-items: center;
}

.platform-item {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  color: var(--ink);
}

.platform-item img {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.platform-item span {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -.015em;
  white-space: nowrap;
}

:root[data-theme="dark"] .platform-item img.is-mono {
  filter: invert(1) brightness(1.8);
}

@media (max-width: 1100px) {
  .process-lede,
  .ecosystem-lede {
    white-space: normal;
  }
}

@media (max-width: 700px) {
  .platform-cloud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 20px;
  }

  .platform-item img { width: 32px; height: 32px; }
  .platform-item span { font-size: 14px; }
}

/* Case-study story library */
.case-page-hero .eyebrow { margin-bottom: 18px; }
.case-page-hero h1 { max-width: 12ch; }
.case-page-hero .page-lede { max-width: 70ch; margin-bottom: 0; }

.case-library { background: var(--bg); }
.case-library .case-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 54px 26px;
}

.case-library .case-card {
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  padding-top: 16px;
  overflow: visible;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  box-shadow: none;
}

.case-library .case-card:hover {
  transform: none;
  border-color: var(--orange);
  box-shadow: none;
}

.case-library .case-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(330px, .68fr);
  gap: 38px;
  align-items: stretch;
  padding-top: 18px;
  border-top: 2px solid var(--orange);
}

.case-library .case-third { grid-column: span 4; }

.case-library .case-art,
.case-library .case-card:first-child .case-art,
.case-library .case-card:nth-child(2) .case-art {
  position: relative;
  height: 300px;
  overflow: hidden;
  background: var(--surface-2);
}

.case-library .case-featured .case-art { height: 470px; }
.case-library .case-third .case-art { height: 225px; }
.case-library .case-art::after { display: none; }

.case-library .case-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s cubic-bezier(.2,.7,.2,1);
}

.case-library .case-card:hover .case-art img { transform: scale(1.018); }

.case-library .case-body {
  padding: 24px 4px 0;
}

.case-library .case-featured .case-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px 18px 34px 2px;
}

.case-library .case-tag {
  color: var(--accent-ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .11em;
}

.case-library .case-body h2,
.case-library .case-body h3 {
  margin: 12px 0 14px;
  color: var(--ink);
  font-family: 'Manrope', 'Inter', sans-serif;
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -.038em;
}

.case-library .case-body h2 { font-size: clamp(34px, 3.7vw, 51px); }
.case-library .case-body h3 { font-size: clamp(23px, 2.2vw, 31px); }
.case-library .case-third .case-body h3 { font-size: clamp(21px, 1.8vw, 27px); }

.case-library .case-body > p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.case-library .case-measure {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px !important;
}

.case-library .case-measure strong {
  margin-right: 7px;
  color: var(--ink);
  font-weight: 700;
}

@media (max-width: 1050px) {
  .case-library .case-featured {
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr);
  }
  .case-library .case-third { grid-column: span 6; }
}

@media (max-width: 760px) {
  .case-library .case-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .case-library .case-card,
  .case-library .case-third,
  .case-library .case-featured {
    grid-column: 1;
  }
  .case-library .case-featured {
    display: flex;
    gap: 0;
  }
  .case-library .case-art,
  .case-library .case-card:first-child .case-art,
  .case-library .case-card:nth-child(2) .case-art,
  .case-library .case-featured .case-art,
  .case-library .case-third .case-art { height: 240px; }
  .case-library .case-body,
  .case-library .case-featured .case-body { padding: 22px 0 0; }
  .case-library .case-body h2 { font-size: 32px; }
}

/* ---------- Training ---------- */
.mobile-menu > .mobile-primary-link { padding: 18px 0; border-bottom: 1px solid var(--border); font-weight: 700; }

.training-hero { padding: 58px 0 72px; }
.training-hero-grid { display: grid; grid-template-columns: minmax(0, .88fr) minmax(480px, 1.12fr); gap: 64px; align-items: end; }
.training-hero-copy { padding: 34px 0 18px; }
.training-hero-copy h1 { max-width: 9.5ch; font-family: 'Manrope', 'Inter', sans-serif; font-size: clamp(50px, 5.8vw, 78px); font-weight: 650; line-height: .97; letter-spacing: -.055em; }
.training-hero-copy > p { max-width: 52ch; margin-top: 24px; color: var(--muted); font-size: 18px; line-height: 1.68; }
.training-domain-list { display: flex; gap: 26px; margin-top: 42px; }
.training-domain-list span { position: relative; padding-left: 14px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.training-domain-list span::before { content: ""; position: absolute; top: .55em; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }
.training-hero-media { position: relative; height: 560px; overflow: hidden; border-radius: 2px; box-shadow: var(--shadow-large); }
.training-hero-media::before { content: ""; position: absolute; z-index: 1; inset: 0; border: 1px solid color-mix(in srgb, var(--border) 60%, transparent); pointer-events: none; }
.training-hero-media img { width: 100%; height: 100%; object-fit: cover; }

.training-intro { padding: 30px 0; background: var(--band); color: var(--band-ink); }
.training-intro-grid { display: grid; grid-template-columns: 240px 1fr; gap: 54px; align-items: center; }
.training-intro .eyebrow { margin: 0; color: var(--orange); }
.training-intro p { max-width: 72ch; font-size: 19px; line-height: 1.55; }

.training-matrix { border-top: 2px solid var(--ink); }
.matrix-row { display: grid; grid-template-columns: minmax(190px, .72fr) repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--border); }
.matrix-row > div { min-width: 0; padding: 25px 22px; border-left: 1px solid var(--border); }
.matrix-row > div:first-child { padding-left: 0; border-left: 0; }
.matrix-head > div { padding-top: 13px; padding-bottom: 13px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.matrix-row strong { display: block; color: var(--ink); font-size: 15px; line-height: 1.35; }
.matrix-row p { margin-top: 7px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.matrix-stage span { display: block; margin-bottom: 16px; color: var(--accent-ink); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.matrix-stage strong { font-size: 20px; }
.matrix-stage small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }

.training-split { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr); gap: 70px; align-items: center; }
.training-photo { height: 610px; overflow: hidden; }
.training-photo img { width: 100%; height: 100%; object-fit: cover; }
.training-split-copy .h2 { max-width: 12ch; }
.audience-list { margin-top: 38px; border-top: 1px solid var(--border); }
.audience-list article { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 19px 0; border-bottom: 1px solid var(--border); }
.audience-list article > span { padding-top: 2px; color: var(--accent-ink); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.audience-list h3 { font-size: 16px; line-height: 1.3; }
.audience-list p { margin-top: 4px; color: var(--muted); font-size: 13px; line-height: 1.55; }

.training-format-head { display: grid; grid-template-columns: minmax(0, .86fr) minmax(400px, 1.14fr); gap: 70px; align-items: end; margin-bottom: 50px; }
.training-format-head .section-header { margin: 0; }
.training-format-photo { height: 350px; overflow: hidden; }
.training-format-photo img { width: 100%; height: 100%; object-fit: cover; }
.format-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--border); }
.format-grid article { padding: 28px 28px 30px 0; border-bottom: 1px solid var(--border); }
.format-grid article:not(:nth-child(3n + 1)) { padding-left: 28px; border-left: 1px solid var(--border); }
.format-grid span { color: var(--accent-ink); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.format-grid h3 { margin-top: 12px; font-size: 19px; line-height: 1.3; }
.format-grid p { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.6; }

.training-process-section .section-header { max-width: none; }
.training-process { display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; border-top: 1px solid rgba(255,255,255,.2); }
.training-process li { padding: 28px 30px 8px 0; }
.training-process li + li { padding-left: 30px; border-left: 1px solid rgba(255,255,255,.2); }
.training-process span { color: var(--orange); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.training-process h3 { margin-top: 20px; color: var(--band-ink); font-size: 21px; }
.training-process p { margin-top: 8px; color: var(--band-muted); font-size: 13px; line-height: 1.65; }

.training-teaser { padding: 54px 0; background: var(--band); color: var(--band-ink); }
.training-teaser-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(430px, .78fr); gap: 70px; align-items: center; }
.training-teaser .eyebrow { color: var(--orange); }
.training-teaser .h2 { max-width: 14ch; }
.training-teaser-copy > p { max-width: 54ch; color: var(--band-muted); font-size: 16px; line-height: 1.65; }
.training-stages { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 20px 0 18px; }
.training-stages span { color: var(--band-ink); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.training-stages span + span::before { content: "/"; margin-right: 20px; color: var(--orange); }
.training-teaser .text-link { color: var(--band-ink); font-size: 14px; font-weight: 700; text-decoration: none; }
.training-teaser .text-link:hover { color: var(--orange); }

@media (max-width: 1040px) {
  .training-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .training-hero-copy { padding-bottom: 0; }
  .training-hero-copy h1 { max-width: 11ch; }
  .training-hero-media { height: 500px; }
  .training-split { gap: 46px; }
  .training-photo { height: 520px; }
  .training-format-head { gap: 46px; }
  .training-teaser-grid { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 800px) {
  .training-intro-grid { grid-template-columns: 1fr; gap: 8px; }
  .training-matrix { border-top: 0; }
  .matrix-head { display: none; }
  .matrix-row { grid-template-columns: 1fr; margin-bottom: 20px; border: 1px solid var(--border); background: var(--surface); }
  .matrix-row > div, .matrix-row > div:first-child { padding: 19px 20px; border: 0; border-top: 1px solid var(--border); }
  .matrix-row > div:first-child { border-top: 3px solid var(--orange); }
  .matrix-row > div:not(.matrix-stage)::before { display: block; margin-bottom: 5px; color: var(--accent-ink); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
  .matrix-row > div:nth-child(2)::before { content: "AI"; }
  .matrix-row > div:nth-child(3)::before { content: "Data"; }
  .matrix-row > div:nth-child(4)::before { content: "Cloud"; }
  .matrix-stage span { margin-bottom: 8px; }
  .training-split, .training-format-head { grid-template-columns: 1fr; }
  .training-photo { height: 440px; }
  .training-format-photo { height: 320px; }
  .format-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .format-grid article, .format-grid article:not(:nth-child(3n + 1)) { padding: 24px 22px 26px 0; border-left: 0; }
  .format-grid article:nth-child(even) { padding-left: 22px; border-left: 1px solid var(--border); }
  .training-process { grid-template-columns: repeat(2, 1fr); }
  .training-process li:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.2); }
  .training-process li:nth-child(4) { border-top: 1px solid rgba(255,255,255,.2); }
}

@media (max-width: 560px) {
  .training-hero { padding: 42px 0 56px; }
  .training-hero-copy h1 { font-size: clamp(43px, 13vw, 58px); }
  .training-hero-copy > p { font-size: 16px; }
  .training-hero-media { height: 360px; }
  .training-domain-list { margin-top: 30px; }
  .training-intro { padding: 26px 0; }
  .training-intro p { font-size: 16px; }
  .training-photo { height: 330px; }
  .training-format-head { gap: 30px; }
  .training-format-photo { height: 270px; }
  .format-grid { grid-template-columns: 1fr; }
  .format-grid article, .format-grid article:not(:nth-child(3n + 1)), .format-grid article:nth-child(even) { padding: 22px 0; border-left: 0; }
  .training-process { grid-template-columns: 1fr; }
  .training-process li, .training-process li + li, .training-process li:nth-child(3) { padding: 22px 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.2); }
  .training-process li:first-child { border-top: 0; }
  .training-teaser { padding: 46px 0; }
  .training-stages { gap: 7px 12px; }
  .training-stages span + span::before { margin-right: 12px; }
}

/* ---------- Final brand lockup ---------- */
.logo {
  flex: 0 0 176px;
  width: 176px;
  height: 42px;
  font-size: 0;
  background-image: url('../img/cryogenix-logo-light.png');
  background-repeat: no-repeat;
  background-position: left center;
  background-size: contain;
}
.logo > svg { display: none; }
:root[data-theme="dark"] .site-nav .logo { background-image: url('../img/cryogenix-logo-dark.png'); }
.site-footer .logo { background-image: url('../img/cryogenix-logo-dark.png'); }

/* ---------- Compact About page ---------- */
.about-hero { padding: 42px 0 48px; }
.about-hero-copy > h1 {
  max-width: none;
  font-family: 'Manrope', 'Inter', sans-serif;
  font-size: clamp(42px, 4.2vw, 60px);
  font-weight: 650;
  line-height: .98;
  letter-spacing: -.052em;
  white-space: nowrap;
}
.about-hero-copy > h1 span { color: var(--accent-ink); }
.about-intro { max-width: 57ch; margin-top: 16px; color: var(--muted); font-size: 16px; line-height: 1.55; }

.about-values-section { padding: 48px 0 54px; border-top: 1px solid var(--border); background: var(--surface-2); }
.about-values-layout { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: 80px; align-items: start; }
.about-values-heading { position: sticky; top: calc(var(--nav-h) + 30px); }
.about-values-heading .h2 { max-width: 10ch; font-size: clamp(32px, 3.5vw, 46px); }
.about-values-photo { height: 218px; margin-top: 24px; overflow: hidden; background: var(--surface); }
.about-values-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 48%; filter: saturate(.9) contrast(1.02); }
.about-values-list { border-top: 2px solid var(--ink); }
.about-values-list article { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.about-values-list article > span { padding-top: 3px; color: var(--accent-ink); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.about-values-list h3 { font-size: 17px; line-height: 1.3; letter-spacing: -.015em; }
.about-values-list p { margin-top: 5px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.about-cta { padding: 52px 0; }

@media (max-width: 980px) {
  .about-values-layout { gap: 48px; }
}

@media (max-width: 760px) {
  .logo { flex-basis: 148px; width: 148px; height: 38px; }
  .about-hero { padding: 42px 0 54px; }
  .about-hero-copy > h1 { font-size: clamp(43px, 12vw, 58px); white-space: normal; }
  .about-values-section { padding: 52px 0 58px; }
  .about-values-layout { grid-template-columns: 1fr; gap: 32px; }
  .about-values-heading { position: static; }
  .about-values-heading .h2 { max-width: 13ch; }
  .about-values-photo { height: 230px; margin-top: 22px; }
  .about-cta { padding: 56px 0; }
}

@media (max-width: 420px) {
  .logo { flex-basis: 136px; width: 136px; height: 35px; }
}

/* ---------- Unified contact flow ---------- */
.contact-wrap { padding: 58px 0 76px; }
.contact-head { margin-bottom: 34px; }
.contact-head > p { max-width: 62ch; }
.contact-head > .contact-email { margin-top: 10px; font-size: 16px; }
.contact-email a { color: var(--accent-ink); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.contact-flow-form { display: flex; flex-direction: column; gap: 28px; }
.contact-flow-form label { display: flex; flex-direction: column; gap: 7px; color: var(--ink); font-size: 13px; font-weight: 600; }
.contact-flow-form input,
.contact-flow-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  font-weight: 400;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.contact-flow-form input { min-height: 48px; }
.contact-flow-form textarea { resize: vertical; }
.contact-flow-form input:hover,
.contact-flow-form textarea:hover { border-color: color-mix(in srgb, var(--ink) 30%, var(--border)); }

.contact-details-panel {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 34px;
  padding: 26px 28px 28px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--orange);
  border-radius: 2px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}
.contact-details-head { display: flex; align-items: flex-start; }
.contact-details-head h2 { font-size: 22px; line-height: 1.2; letter-spacing: -.025em; }
.contact-details-head p { margin-top: 5px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.contact-details-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: end; }

.contact-action-panel { display: flex; min-width: 0; flex-direction: column; }
.contact-action-head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  min-height: 68px;
  padding: 0 4px;
  align-items: center;
}
.action-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--orange-tint) 82%, var(--surface));
  color: var(--ink);
}
.action-mark svg { width: 25px; height: 25px; }
.contact-action-head h2 { font-size: clamp(20px, 2vw, 25px); line-height: 1.15; letter-spacing: -.025em; }
.contact-action-head h2 span { color: var(--muted); font-size: .72em; font-weight: 500; }

.contact-action-box {
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}
.message-box { display: flex; flex-direction: column; gap: 18px; padding: 28px; }
.message-box textarea { min-height: 224px; background: var(--bg); }
.contact-flow-form .check { flex-direction: row; align-items: flex-start; gap: 11px; color: var(--muted); font-size: 13px; font-weight: 400; }
.contact-flow-form .check input { width: 17px; min-height: 0; height: 17px; flex: 0 0 auto; margin-top: 2px; }
.contact-submit-row { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.contact-submit-row .btn { min-width: 150px; }
.contact-submit-row .form-note { margin: 0; }
.form-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-submit-row .btn:disabled { opacity: .6; cursor: progress; }


@media (max-width: 940px) {
  .contact-details-panel { grid-template-columns: 1fr; gap: 22px; }
  .contact-details-grid { grid-template-columns: 1fr 1fr; }
  .contact-details-grid label:last-child { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .contact-wrap { padding: 46px 0 62px; }
  .contact-head { margin-bottom: 28px; }
  .contact-head > p { font-size: 17px; }
  .contact-flow-form { gap: 24px; }
  .contact-details-panel { padding: 22px 20px 24px; }
  .contact-details-grid { grid-template-columns: 1fr; gap: 15px; }
  .contact-details-grid label:last-child { grid-column: auto; }
  .contact-action-head { min-height: 0; margin-bottom: 18px; }
  .message-box { padding: 22px 20px; }
  .message-box textarea { min-height: 190px; }
}

/* ---------- Use Cases page ---------- */
.uc-hero { padding: 54px 0 60px; border-bottom: 1px solid var(--border); }
.uc-hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); gap: 72px; align-items: center; }
.uc-hero-copy h1 { max-width: 9.6ch; font-size: clamp(48px, 5.9vw, 78px); font-weight: 650; line-height: .98; letter-spacing: -.055em; }
.uc-hero-copy h1 span { color: var(--accent-ink); }
.uc-hero-copy > p { max-width: 59ch; margin-top: 24px; color: var(--muted); font-size: 19px; line-height: 1.62; }
.uc-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.uc-stack-map { display: grid; grid-template-columns: 52px minmax(0, 1fr) 52px; gap: 10px; min-height: 420px; }
.uc-map-pillar {
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--orange) 20%, var(--border));
  background: color-mix(in srgb, var(--orange-tint) 48%, var(--surface));
  color: var(--ink);
}
.uc-map-pillar span { writing-mode: vertical-rl; transform: rotate(180deg); font-size: 10px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.uc-map-layers { display: grid; grid-template-rows: repeat(6, 1fr); gap: 10px; }
.uc-map-layers div {
  display: flex;
  align-items: center;
  padding: 0 22px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.uc-map-layers div:nth-child(n+3) { background: var(--band); color: var(--band-ink); border-color: transparent; }
.uc-map-layers div:nth-child(4) { opacity: .94; }
.uc-map-layers div:nth-child(5) { opacity: .88; }
.uc-map-layers div:nth-child(6) { opacity: .82; }
.uc-map-layers .is-accent { border-color: var(--orange); background: var(--orange); color: #102A30; }

.uc-patterns,
.uc-stack-section { padding: 62px 0 68px; }
.uc-section-intro { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr); gap: 72px; align-items: end; margin-bottom: 32px; }
.uc-section-intro .eyebrow { margin-bottom: 14px; }
.uc-section-intro .h2 { max-width: 15ch; }
.uc-section-intro > p { max-width: 55ch; color: var(--muted); font-size: 18px; line-height: 1.62; }
.uc-section-intro-single { display: block; margin-bottom: 30px; }
.uc-section-intro-single .h2 { max-width: none; white-space: nowrap; }

.uc-pattern-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.uc-pattern-grid article { min-height: 282px; padding: 24px; border: 1px solid var(--border); background: var(--surface); box-shadow: 0 1px 0 rgba(12,35,40,.02); }
.uc-pattern-title { display: flex; gap: 14px; align-items: baseline; }
.uc-pattern-title span { color: var(--accent-ink); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
.uc-pattern-grid h3 { font-size: 27px; line-height: 1.05; letter-spacing: -.035em; }
.uc-pattern-grid strong { display: block; margin-top: 17px; color: var(--ink); font-size: 15px; line-height: 1.45; }
.uc-pattern-grid p { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.55; }

.uc-stack-section { scroll-margin-top: var(--nav-h); }
.uc-stack-explorer { display: grid; grid-template-columns: minmax(460px, .92fr) minmax(0, 1.08fr); gap: 34px; align-items: stretch; }
.uc-stack-tabs { display: grid; grid-template-columns: 112px minmax(0, 1fr) 112px; gap: 12px; min-width: 0; }
.uc-layer-tabs { display: grid; grid-template-rows: repeat(6, minmax(68px, 1fr)); gap: 9px; }
.uc-layer-tabs button,
.uc-pillar-tab {
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, color .18s ease, transform .18s ease;
}
.uc-layer-tabs button:hover,
.uc-pillar-tab:hover { border-color: color-mix(in srgb, var(--orange) 55%, var(--border)); }
.uc-layer-tabs button { display: grid; grid-template-columns: 34px 1fr; grid-template-rows: auto auto; column-gap: 10px; align-content: center; padding: 12px 16px; text-align: left; }
.uc-layer-tabs button > span { grid-row: 1 / 3; align-self: center; color: var(--accent-ink); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.uc-layer-tabs button strong { font-size: 15px; line-height: 1.25; }
.uc-layer-tabs button small { margin-top: 3px; color: var(--muted); font-size: 12px; line-height: 1.3; }
.uc-layer-tabs button.is-active { border-color: var(--band); background: var(--band); color: var(--band-ink); }
.uc-layer-tabs button.is-active > span { color: var(--orange); }
.uc-layer-tabs button.is-active small { color: var(--band-muted); }
.uc-pillar-tab { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 14px 8px; background: color-mix(in srgb, var(--orange-tint) 48%, var(--surface)); font-size: 14px; font-weight: 650; line-height: 1.35; text-align: center; }
.uc-pillar-tab span { color: var(--accent-ink); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.uc-pillar-tab.is-active { border-color: var(--orange); background: var(--orange); color: #102A30; }
.uc-pillar-tab.is-active span { color: #102A30; }

.uc-stack-detail { min-height: 520px; padding: 32px; border: 1px solid var(--border); background: var(--surface-2); }
.uc-stack-detail .eyebrow { margin-bottom: 14px; }
.uc-stack-detail h3 { font-size: clamp(30px, 3.4vw, 44px); line-height: 1.05; letter-spacing: -.04em; }
.uc-stack-detail > p { max-width: 61ch; margin-top: 16px; color: var(--muted); font-size: 16px; line-height: 1.6; }
.uc-stack-detail ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 24px; margin: 30px 0 0; padding: 0; list-style: none; }
.uc-stack-detail li { position: relative; padding-left: 17px; }
.uc-stack-detail li::before { content: ""; position: absolute; top: 7px; left: 0; width: 7px; height: 7px; background: var(--orange); }
.uc-stack-detail li strong { display: block; font-size: 14px; line-height: 1.4; }
.uc-stack-detail li span { display: block; margin-top: 3px; color: var(--muted); font-size: 13px; line-height: 1.48; }
.uc-stack-help { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: baseline; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--border); }
.uc-stack-help > span { color: var(--accent-ink); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.uc-stack-help p { color: var(--ink); font-size: 14px; line-height: 1.5; }


@media (max-width: 1060px) {
  .uc-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(360px, .8fr); gap: 46px; }
  .uc-stack-map { min-height: 420px; }
  .uc-stack-explorer { grid-template-columns: 1fr; }
  .uc-stack-tabs { min-height: 520px; }
  .uc-stack-detail { min-height: 0; }
}

@media (max-width: 820px) {
  .uc-hero { padding: 54px 0 64px; }
  .uc-hero-grid { grid-template-columns: 1fr; }
  .uc-hero-copy h1 { max-width: 10.5ch; }
  .uc-stack-map { min-height: 390px; }
  .uc-section-intro { grid-template-columns: 1fr; gap: 18px; }
  .uc-section-intro .h2 { max-width: 17ch; }
  .uc-section-intro-single .h2 { max-width: none; white-space: normal; }
  .uc-pattern-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .uc-hero-copy h1 { font-size: clamp(44px, 14vw, 58px); }
  .uc-hero-copy > p { font-size: 16px; }
  .uc-hero-actions { flex-direction: column; align-items: stretch; }
  .uc-stack-map { grid-template-columns: 36px minmax(0, 1fr) 36px; min-height: 340px; gap: 7px; }
  .uc-map-pillar span { font-size: 8px; }
  .uc-map-layers { gap: 7px; }
  .uc-map-layers div { padding: 0 13px; font-size: 10px; }
  .uc-patterns,
  .uc-stack-section { padding: 62px 0 68px; }
  .uc-pattern-grid { grid-template-columns: 1fr; }
  .uc-pattern-grid article { min-height: 0; padding: 24px; }
  .uc-pattern-grid h3 { margin-top: 0; }
  .uc-stack-tabs { grid-template-columns: 1fr; min-height: 0; }
  .uc-layer-tabs { grid-template-rows: none; }
  .uc-pillar-tab { min-height: 76px; }
  .uc-stack-detail { padding: 26px 22px; }
  .uc-stack-detail ul { grid-template-columns: 1fr; gap: 16px; }
  .uc-stack-help { grid-template-columns: 1fr; gap: 7px; }
}