:root {
  --ink: #04101a;
  --navy: #061725;
  --navy-soft: #0b2232;
  --navy-light: #113044;
  --white: #f6f8f8;
  --mist: #a8bac3;
  --teal: #26d4cc;
  --teal-soft: rgba(38, 212, 204, .14);
  --gold: #d7aa61;
  --gold-soft: rgba(215, 170, 97, .14);
  --line: rgba(255, 255, 255, .12);
  --line-strong: rgba(255, 255, 255, .22);
  --shadow: 0 32px 80px rgba(0, 0, 0, .38);
  --shell: min(1220px, calc(100% - 64px));
  --radius: 28px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--white);
  background:
    radial-gradient(circle at 8% 12%, rgba(38, 212, 204, .06), transparent 24rem),
    radial-gradient(circle at 92% 74%, rgba(215, 170, 97, .045), transparent 30rem),
    var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 1000;
  transform: translateY(-160%);
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--ink);
  background: var(--teal);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, transform .35s ease;
}
.site-header.is-scrolled {
  background: rgba(4, 16, 26, .88);
  border-color: var(--line);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.nav-shell {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  letter-spacing: .31em;
  font-size: .92rem;
  font-weight: 760;
}
.brand b { color: var(--teal); font-size: 1.25rem; }
.brand-mark {
  width: 23px;
  aspect-ratio: 1;
  display: inline-block;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid var(--teal);
}
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav > a {
  color: #cad5da;
  font-size: .79rem;
  font-weight: 650;
  letter-spacing: .04em;
  transition: color .2s ease;
}
.site-nav > a:hover, .site-nav > a:focus-visible { color: var(--white); }
.site-nav .nav-cta {
  padding: 10px 15px;
  border: 1px solid rgba(38, 212, 204, .46);
  border-radius: 999px;
  color: var(--teal);
}
.language { display: inline-flex; align-items: center; gap: 7px; font-size: .72rem; }
.language button {
  border: 0;
  padding: 3px 1px;
  background: transparent;
  color: #728995;
  font: inherit;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: color .2s ease;
}
.language button:hover, .language button:focus-visible { color: var(--teal); }
.language button.is-active { color: var(--white); }
.language i { width: 1px; height: 13px; background: var(--line-strong); }
.nav-toggle { display: none; border: 0; background: transparent; padding: 10px; }
.nav-toggle > span:not(.sr-only) { display: block; width: 25px; height: 1px; background: var(--white); margin: 5px 0; }

.hero {
  min-height: 860px;
  height: 100svh;
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; z-index: -3; }
.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(3, 13, 22, .98) 0%, rgba(3, 13, 22, .90) 35%, rgba(3, 13, 22, .38) 67%, rgba(3, 13, 22, .15) 100%),
    linear-gradient(0deg, rgba(4, 16, 26, .82), transparent 35%, rgba(4, 16, 26, .28));
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), var(--gold), transparent);
  opacity: .68;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 720px) 1fr; align-items: end; gap: 80px; padding-top: 90px; }
.eyebrow {
  margin-bottom: 18px;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .72rem;
  font-weight: 820;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  margin-right: 12px;
  vertical-align: middle;
  background: currentColor;
}
.eyebrow-gold { color: var(--gold); }
.hero h1 {
  margin: 0 0 28px;
  max-width: 770px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.1rem, 7.4vw, 7.8rem);
  line-height: .88;
  letter-spacing: -.055em;
  font-weight: 400;
}
.hero h1 em, .signage-flow h2 em { color: var(--teal); font-style: normal; }
.hero-lead { max-width: 650px; color: #c6d2d7; font-size: clamp(1.05rem, 1.6vw, 1.35rem); line-height: 1.65; }
.button-row { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .025em;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s ease, border-color .25s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--teal); color: #021115; }
.button-primary:hover { background: #63e9e2; }
.button-ghost { border-color: var(--line-strong); background: rgba(255, 255, 255, .045); }
.button-outline { margin-top: 34px; border-color: var(--teal); color: var(--teal); background: transparent; }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  color: #91a4ad;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.hero-tags li:not(:last-child)::after { content: "·"; margin-left: 22px; color: var(--gold); }
.hero-signal { justify-self: end; display: grid; grid-template-columns: auto 80px; align-items: center; gap: 14px; margin-bottom: 14px; }
.hero-signal span { color: var(--gold); font-family: Georgia, serif; font-size: 2.5rem; }
.hero-signal i { width: 80px; height: 1px; background: var(--gold); }
.hero-signal small { grid-column: 1 / -1; color: #95a7af; text-transform: uppercase; letter-spacing: .14em; }

.section { padding: clamp(92px, 10vw, 150px) 0; position: relative; }
.section-compact { padding-top: 112px; padding-bottom: 115px; }
.section-intro { max-width: 760px; margin-bottom: 58px; }
.section-intro h2, .signage-head h2, .product-copy h2, .protected-copy h2, .scale-copy h2, .contact-copy h2 {
  margin-bottom: 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.9rem, 5.1vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.045em;
  font-weight: 400;
}
.section-intro > p:last-child, .signage-head > p, .protected-copy > p, .scale-copy > p, .contact-copy > p {
  max-width: 680px;
  color: var(--mist);
  font-size: 1.08rem;
}
.ecosystem-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.ecosystem-item { position: relative; padding: 28px 28px 32px 0; min-height: 210px; border-bottom: 1px solid var(--line); }
.ecosystem-item:not(:last-child) { border-right: 1px solid var(--line); padding-left: 28px; }
.ecosystem-item:first-child { padding-left: 0; }
.ecosystem-item span { color: var(--gold); font-size: .68rem; letter-spacing: .14em; }
.ecosystem-item p { margin: 34px 0 5px; color: var(--teal); text-transform: uppercase; letter-spacing: .14em; font-size: .67rem; font-weight: 800; }
.ecosystem-item h3 { margin-bottom: 8px; font-family: Georgia, serif; font-size: 1.65rem; font-weight: 400; }
.ecosystem-item small { color: var(--mist); }

.product { background: rgba(8, 28, 42, .48); }
.product::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(135deg, rgba(38, 212, 204, .045), transparent 34%); }
.product-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(400px, .78fr); align-items: center; gap: clamp(56px, 8vw, 112px); }
.product-reverse .product-grid { grid-template-columns: minmax(400px, .78fr) minmax(0, 1.05fr); }
.product-reverse .product-image { order: 2; }
.product-image { position: relative; }
.product-image::before { content: ""; position: absolute; inset: -12px 20px 20px -12px; border: 1px solid rgba(38, 212, 204, .34); border-radius: var(--radius); z-index: -1; }
.product-reverse .product-image::before { border-color: rgba(215, 170, 97, .36); inset: -12px -12px 20px 20px; }
.product-media { position: relative; aspect-ratio: 1672 / 941; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); background: #020b12; }
.product-slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.012); transition: opacity .8s ease, transform 3.8s var(--ease); }
.product-slide.is-active { opacity: 1; transform: scale(1); }
.product-autoplay {
  position: absolute;
  inset: 16px auto auto 16px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid rgba(38, 212, 204, .38);
  border-radius: 999px;
  background: rgba(2, 14, 23, .84);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .25);
  color: #edf5f6;
  font-size: .6rem;
  letter-spacing: .1em;
}
.product-autoplay i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 11px var(--teal); animation: playerPulse 1.4s ease-in-out infinite; }
.product-autoplay span { color: var(--teal); font-weight: 850; }
.product-autoplay b { font-weight: 650; letter-spacing: .03em; }
.product-autoplay-gold { border-color: rgba(215, 170, 97, .45); }
.product-autoplay-gold i { background: var(--gold); box-shadow: 0 0 11px var(--gold); }
.product-autoplay-gold span { color: var(--gold); }
.product-identity {
  position: absolute;
  inset: auto auto 18px 18px;
  display: grid;
  gap: 3px;
  max-width: calc(100% - 36px);
  padding: 11px 14px 10px;
  border: 1px solid rgba(38, 212, 204, .38);
  border-radius: 12px;
  background: rgba(2, 14, 23, .86);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #eaf0f2;
  box-shadow: 0 12px 34px rgba(0, 0, 0, .28);
}
.product-identity span {
  color: var(--teal);
  font-size: .7rem;
  font-weight: 850;
  letter-spacing: .14em;
}
.product-identity small {
  color: #eef4f5;
  font-family: Georgia, serif;
  font-size: .86rem;
  line-height: 1.15;
}
.product-identity-gold { border-color: rgba(215, 170, 97, .45); }
.product-identity-gold span { color: var(--gold); }
.product-sequence { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 15px; border-top: 1px solid var(--line); }
.product-sequence button { position: relative; border: 0; padding: 12px 5px 10px; background: transparent; color: #718690; font-size: .63rem; cursor: pointer; transition: color .2s ease; }
.product-sequence button::before { content: ""; position: absolute; inset: -1px 0 auto; height: 2px; background: transparent; }
.product-sequence button.is-active { color: var(--white); }
.product-sequence button.is-active::before { background: var(--teal); animation: sequenceProgress 4.2s linear both; }
.product-sequence-gold button.is-active::before { background: var(--gold); }
.product-copy h2 { font-size: clamp(2.75rem, 4.5vw, 4.8rem); }
.product-lead { color: #bccbd1; font-size: 1.06rem; line-height: 1.72; }
.capability-list { margin: 32px 0; border-top: 1px solid var(--line); }
.capability-list > div { display: grid; grid-template-columns: 145px 1fr; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.capability-list b { color: var(--white); font-size: .87rem; }
.capability-list span { color: var(--mist); font-size: .88rem; }
.text-link { display: inline-flex; gap: 9px; align-items: center; color: var(--teal); font-size: .84rem; font-weight: 820; text-transform: uppercase; letter-spacing: .09em; }
.text-link span { font-size: 1.15rem; transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, -3px); }
.gold-link { color: var(--gold); }
.compact-list > div { padding-block: 11px; }

.signage { background: #06111b; overflow: hidden; }
.signage::after { content: "SIGNAGE"; position: absolute; right: -25px; bottom: -85px; color: rgba(255, 255, 255, .018); font-family: Georgia, serif; font-size: 20vw; line-height: 1; pointer-events: none; }
.signage-head { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 70px; }
.signage-head h2 { margin-bottom: 0; }
.use-strip { display: flex; flex-wrap: wrap; gap: 9px; margin: 50px 0 56px; padding: 0; list-style: none; }
.use-strip li { padding: 9px 14px; border-bottom: 1px solid rgba(38, 212, 204, .55); color: #c6d1d6; font-size: .75rem; text-transform: uppercase; letter-spacing: .11em; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.benefit { padding: 30px 34px 15px 0; }
.benefit:not(:last-child) { border-right: 1px solid var(--line); margin-right: 34px; }
.benefit span, .protected-list article > span, .why-grid article > span { color: var(--gold); font-size: .69rem; letter-spacing: .13em; }
.benefit h3 { margin: 24px 0 10px; font-size: 1.07rem; text-transform: uppercase; letter-spacing: .11em; }
.benefit p { color: var(--mist); }

.signage-flow { background: linear-gradient(180deg, #071a28, #04101a); }
.flow-grid { display: grid; grid-template-columns: .68fr 1.32fr; gap: clamp(54px, 7vw, 90px); align-items: center; }
.flow-copy, .signage-player { min-width: 0; }
.signage-flow h2 { font-family: Georgia, serif; font-size: clamp(3rem, 5.2vw, 5.5rem); line-height: .98; letter-spacing: -.045em; font-weight: 400; }
.flow-copy > p:not(.eyebrow) { color: var(--mist); max-width: 470px; }
.flow-notes { display: grid; gap: 9px; margin-top: 30px; color: #dbe4e7; font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; }
.flow-notes span::before { content: ""; display: inline-block; width: 19px; height: 1px; margin: 0 10px 4px 0; background: var(--teal); }
.screen-frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border: 9px solid #010609; border-radius: 10px; box-shadow: 0 45px 100px rgba(0, 0, 0, .55); background: #02080c; }
.screen-frame::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255, 255, 255, .15); pointer-events: none; z-index: 5; }
.signage-slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.012); transition: opacity .8s ease, transform 2.6s var(--ease); }
.signage-slide.is-active { opacity: 1; transform: scale(1); }
.screen-badge { position: absolute; z-index: 6; left: 14px; bottom: 14px; display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 999px; background: rgba(2, 12, 19, .78); border: 1px solid rgba(255, 255, 255, .17); -webkit-backdrop-filter: blur(9px); backdrop-filter: blur(9px); font-size: .63rem; }
.screen-badge i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 12px var(--teal); }
.screen-badge span { font-weight: 800; }
.screen-badge small { color: #92a5ae; letter-spacing: .1em; }
.player-sequence { display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 20px; border-top: 1px solid var(--line); }
.player-sequence button { border: 0; border-top: 2px solid transparent; padding: 14px 7px; background: transparent; color: #70858f; font-size: .65rem; cursor: pointer; transition: color .2s ease, border-color .2s ease; }
.player-sequence button.is-active { border-color: var(--teal); color: var(--white); }
.demo-disclosure { margin: 13px 0 0; color: #718690; font-size: .69rem; line-height: 1.45; }

@keyframes playerPulse { 0%, 100% { opacity: .45; transform: scale(.82); } 50% { opacity: 1; transform: scale(1.18); } }
@keyframes sequenceProgress { from { transform: scaleX(0); transform-origin: left; } to { transform: scaleX(1); transform-origin: left; } }

.cms-protected { background: #071621; }
.protected-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; align-items: start; }
.protected-copy { position: sticky; top: 120px; }
.protected-copy blockquote { margin: 52px 0 0; padding: 28px 0 28px 28px; border-left: 2px solid var(--gold); color: var(--white); font-family: Georgia, serif; font-size: clamp(1.45rem, 2.4vw, 2.1rem); line-height: 1.35; }
.protected-copy blockquote em { color: var(--gold); font-style: normal; }
.protected-list { border-top: 1px solid var(--line); }
.protected-list article { display: grid; grid-template-columns: 48px 1fr; gap: 25px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.protected-list h3 { margin: 0 0 5px; font-size: 1.05rem; }
.protected-list p { margin: 0; color: var(--mist); }

.assist { background: rgba(28, 24, 20, .42); }
.assist-flow { display: grid; gap: 0; margin: 32px 0; padding: 0; list-style: none; }
.assist-flow li { position: relative; padding: 13px 14px 13px 46px; border-bottom: 1px solid var(--line); color: #d5dee1; }
.assist-flow li::before { content: counter(list-item, decimal-leading-zero); position: absolute; left: 0; color: var(--gold); font-size: .67rem; letter-spacing: .12em; }

.infrastructure { background: #05121c; }
.infra-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.infra-card { min-height: 340px; padding: 32px 35px 34px 0; }
.infra-card:not(:last-child) { border-right: 1px solid var(--line); margin-right: 35px; }
.infra-card > span { color: var(--gold); font-family: Georgia, serif; font-size: 2.8rem; }
.infra-card > p { margin: 58px 0 8px; color: var(--teal); text-transform: uppercase; letter-spacing: .14em; font-size: .68rem; font-weight: 800; }
.infra-card h3 { margin-bottom: 14px; font-family: Georgia, serif; font-size: 1.9rem; line-height: 1.16; font-weight: 400; }
.infra-card small { color: var(--mist); font-size: .9rem; }

.scale { background: linear-gradient(135deg, rgba(38, 212, 204, .1), rgba(6, 23, 37, .2) 45%, rgba(215, 170, 97, .07)); }
.scale-grid { display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 100px; }
.scale-copy .button { margin-top: 20px; }
.model-list { border-top: 1px solid var(--line); }
.model-list > div { display: grid; grid-template-columns: 1fr 1.1fr; gap: 28px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.model-list span { font-family: Georgia, serif; font-size: 1.15rem; }
.model-list b { color: var(--mist); font-size: .83rem; font-weight: 500; }

.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.why-grid article { min-height: 230px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .015); }
.why-grid article:nth-child(even) { background: rgba(38, 212, 204, .025); }
.why-grid h3 { margin: 42px 0 9px; font-family: Georgia, serif; font-size: 1.45rem; font-weight: 400; }
.why-grid p { color: var(--mist); font-size: .9rem; }

.contact { background: #071a28; border-top: 1px solid rgba(38, 212, 204, .28); }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; align-items: start; }
.contact-copy { position: sticky; top: 120px; }
.contact-details { display: grid; gap: 8px; margin-top: 42px; color: #d7e2e5; }
.contact-details a { width: fit-content; border-bottom: 1px solid transparent; }
.contact-details a:hover { border-color: var(--teal); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; padding: 38px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(2, 14, 23, .45); box-shadow: var(--shadow); }
.contact-form label { display: grid; gap: 8px; color: #9fb1ba; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; min-height: 50px; border: 0; border-bottom: 1px solid var(--line-strong); border-radius: 0; padding: 12px 0; color: var(--white); background: transparent; outline: none; }
.contact-form textarea { resize: vertical; }
.contact-form select { color-scheme: dark; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--teal); }
.form-wide { grid-column: 1 / -1; }
.contact-form button { width: fit-content; margin-top: 8px; }
.form-note { margin: -7px 0 0; color: #758c97; font-size: .75rem; }
.honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; }

.site-footer { padding: 55px 0 62px; border-top: 1px solid var(--line); color: #8296a0; }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; align-items: end; gap: 30px; }
.footer-brand { color: var(--white); }
.footer-grid p { margin: 14px 0 0; font-size: .78rem; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }

@media (max-width: 1120px) {
  :root { --shell: min(100% - 48px, 1040px); }
  .site-nav { gap: 15px; }
  .site-nav > a { font-size: .72rem; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 58px; }
  .product-reverse .product-grid { grid-template-columns: 1fr 1fr; }
  .flow-grid { grid-template-columns: .78fr 1.22fr; }
  .protected-grid, .contact-grid { gap: 65px; }
}

@media (max-width: 900px) {
  .nav-toggle { display: block; position: relative; z-index: 2; }
  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 23px;
    padding: 100px 8vw 50px;
    background: rgba(3, 14, 23, .98);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav > a { font-family: Georgia, serif; font-size: 2rem; font-weight: 400; }
  .site-nav .nav-cta { font-family: inherit; font-size: .85rem; }
  .language { margin-top: 10px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero { height: auto; min-height: 830px; }
  .hero-grid { grid-template-columns: 1fr; padding: 150px 0 74px; }
  .hero-signal { display: none; }
  .hero h1 { font-size: clamp(4.2rem, 11vw, 6.5rem); }
  .ecosystem-grid { grid-template-columns: 1fr 1fr; }
  .ecosystem-item:nth-child(2) { border-right: 0; }
  .ecosystem-item:nth-child(3) { padding-left: 0; }
  .product-grid, .product-reverse .product-grid, .flow-grid, .protected-grid, .scale-grid, .contact-grid { grid-template-columns: 1fr; }
  .product-reverse .product-image { order: 0; }
  .product-copy { max-width: 720px; }
  .signage-head { grid-template-columns: 1fr; align-items: start; gap: 18px; }
  .signage-head > p { max-width: 640px; }
  .flow-copy { max-width: 680px; }
  .protected-copy, .contact-copy { position: static; }
  .protected-grid, .contact-grid { gap: 60px; }
  .infra-grid { grid-template-columns: 1fr; }
  .infra-card { min-height: auto; padding-right: 0; }
  .infra-card:not(:last-child) { border-right: 0; border-bottom: 1px solid var(--line); margin-right: 0; }
  .infra-card > p { margin-top: 25px; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > p:last-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 34px); --radius: 20px; }
  html { scroll-padding-top: 72px; }
  .nav-shell { min-height: 72px; }
  .brand { font-size: .8rem; gap: 9px; }
  .brand-mark { width: 19px; }
  .hero { min-height: 760px; }
  .hero-image { object-position: 55% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(3, 13, 22, .97), rgba(3, 13, 22, .64)), linear-gradient(0deg, rgba(4, 16, 26, .9), transparent 48%); }
  .hero-grid { padding-top: 126px; }
  .hero h1 { font-size: clamp(3.6rem, 16vw, 5.2rem); }
  .hero-lead { font-size: 1rem; }
  .button-row { flex-direction: column; align-items: stretch; }
  .hero-tags { gap: 8px 12px; }
  .hero-tags li:not(:last-child)::after { margin-left: 12px; }
  .section { padding: 88px 0; }
  .section-intro h2, .signage-head h2, .product-copy h2, .protected-copy h2, .scale-copy h2, .contact-copy h2 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .ecosystem-grid { grid-template-columns: 1fr; }
  .ecosystem-item, .ecosystem-item:not(:last-child), .ecosystem-item:first-child, .ecosystem-item:nth-child(3) { min-height: 165px; padding: 23px 0; border-right: 0; }
  .ecosystem-item p { margin-top: 24px; }
  .product-grid { gap: 48px; }
  .product-autoplay { inset: 10px auto auto 10px; }
  .product-autoplay span { display: none; }
  .product-sequence { overflow-x: auto; scrollbar-width: none; }
  .product-sequence button { min-width: 82px; }
  .product-identity { inset: auto 10px 10px; max-width: none; }
  .product-identity small { font-size: .76rem; }
  .capability-list > div { grid-template-columns: 1fr; gap: 5px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit { padding: 27px 0; border-bottom: 1px solid var(--line); }
  .benefit:not(:last-child) { border-right: 0; margin-right: 0; }
  .use-strip { margin-bottom: 35px; }
  .screen-frame { border-width: 5px; }
  .screen-badge small { display: none; }
  .player-sequence { display: flex; overflow-x: auto; scrollbar-width: none; }
  .player-sequence button { min-width: 105px; }
  .protected-copy blockquote { margin-top: 38px; font-size: 1.45rem; }
  .protected-list article { grid-template-columns: 36px 1fr; gap: 14px; }
  .model-list > div { grid-template-columns: 1fr; gap: 6px; }
  .why-grid { grid-template-columns: 1fr; }
  .why-grid article { min-height: 190px; }
  .contact-form { grid-template-columns: 1fr; padding: 25px 20px; }
  .contact-form label, .form-wide { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; align-items: start; }
  .footer-grid > p:last-child { grid-column: auto; }
}

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