:root {
  --bg: #080a0e;
  --surface: #101319;
  --surface-2: #171b22;
  --line: #2a303a;
  --text: #f1f0eb;
  --muted: #969ca7;
  --gold: #d1a75c;
  --teal: #43c0cb;
  --display: "Space Grotesk", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { max-width: 100%; scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(ellipse 70% 44% at 8% 8%, rgba(209,167,92,.085), transparent 66%),
    radial-gradient(ellipse 62% 42% at 94% 22%, rgba(67,192,203,.075), transparent 68%),
    radial-gradient(ellipse 70% 38% at 72% 88%, rgba(30,76,84,.08), transparent 70%),
    var(--bg);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    repeating-linear-gradient(105deg, rgba(255,255,255,.018) 0, rgba(255,255,255,.018) 1px, transparent 1px, transparent 4px),
    radial-gradient(circle at 28% 18%, rgba(255,255,255,.045) 0 1px, transparent 1.5px);
  background-size: auto, 21px 21px;
  opacity: .48;
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,.82) 58%, transparent 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(96deg, transparent 8%, rgba(209,167,92,.022) 17%, transparent 29%),
    linear-gradient(88deg, transparent 54%, rgba(67,192,203,.025) 68%, transparent 81%),
    radial-gradient(ellipse 34% 70% at 88% 100%, rgba(67,192,203,.055), transparent 70%);
  mix-blend-mode: screen;
}
main { position: relative; }
main::before,
main::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 0;
  width: 1px;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.075) 5%, rgba(255,255,255,.055) 95%, transparent);
}
main::before { left: max(24px, calc((100vw - var(--max)) / 2)); }
main::after { right: max(24px, calc((100vw - var(--max)) / 2)); }
main > * { position: relative; z-index: 1; }
.side-rail {
  position: fixed;
  top: 0;
  bottom: 0;
  z-index: 15;
  width: 46px;
  background:
    repeating-linear-gradient(to bottom, transparent 0 23px, rgba(255,255,255,.12) 23px 24px) center / 24px 100% no-repeat,
    linear-gradient(to bottom, rgba(14,17,22,.94), rgba(8,10,14,.88));
  pointer-events: none;
}
.side-rail-left { left: 0; border-right: 1px solid rgba(255,255,255,.065); }
.side-rail-right { right: 0; border-left: 1px solid rgba(255,255,255,.065); }
.side-rail span {
  position: absolute;
  top: 50%;
  left: 50%;
  color: rgba(184,190,201,.42);
  font: 9px var(--mono);
  letter-spacing: .28em;
  white-space: nowrap;
  transform: translate(-50%, -50%) rotate(-90deg);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(8,10,14,.82);
  backdrop-filter: blur(16px);
}
.nav-inner { min-height: 70px; display: flex; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { width: 124px; height: auto; }
.nav-links { display: flex; gap: 26px; margin-left: auto; color: var(--muted); font: 12px/1 var(--mono); }
.nav-links a:hover, .footer-links a:hover { color: var(--text); }
.nav-products { position: relative; }
.nav-products-trigger { display: flex; align-items: center; gap: 6px; }
.nav-products-trigger span { display: inline-block; font-size: 13px; transition: transform .2s ease; }
.nav-products-menu {
  position: absolute;
  top: calc(100% + 22px);
  left: 50%;
  width: 320px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(16,19,25,.98);
  box-shadow: 0 26px 70px rgba(0,0,0,.48);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity .18s ease, transform .22s ease, visibility .18s;
}
.nav-products-menu::before { content: ""; position: absolute; right: 0; bottom: 100%; left: 0; height: 24px; }
.nav-products:hover .nav-products-menu,
.nav-products:focus-within .nav-products-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-products:hover .nav-products-trigger span,
.nav-products:focus-within .nav-products-trigger span { transform: rotate(180deg); }
.nav-products-menu > a { display: grid; grid-template-columns: 28px 1fr auto; gap: 12px; align-items: center; padding: 14px 12px; border-radius: 7px; color: var(--text); }
.nav-products-menu > a:hover, .nav-products-menu > a:focus-visible { background: rgba(255,255,255,.055); }
.nav-products-menu b { display: block; margin-bottom: 5px; font: 600 13px var(--display); }
.nav-products-menu small { color: var(--muted); font: 10px var(--mono); }
.nav-products-menu i { color: var(--muted); font-style: normal; }
.menu-index { font-size: 10px; }
.gold-text { color: var(--gold); }
.teal-text { color: var(--teal); }
.nav-action { margin-left: 8px; }
.menu-toggle { display: none; margin-left: auto; padding: 9px 0; border: 0; color: var(--text); background: none; font: 12px var(--mono); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  background: rgba(255,255,255,.025);
  font: 600 12px var(--mono);
  box-shadow: 0 2px 3px -1px rgba(0,0,0,.1), 0 1px 0 rgba(255,255,255,.025) inset, 0 0 0 1px rgba(25,28,33,.08);
  transition: transform .18s ease, border-color .2s ease, background .2s ease, box-shadow .25s ease;
}
.button:hover { transform: translateY(-2px); border-color: #626a77; background: rgba(255,255,255,.06); box-shadow: 0 8px 22px rgba(0,0,0,.3), 0 1px 0 rgba(255,255,255,.04) inset; }
.button.gold { border-color: #c99c4c; color: #181108; background: linear-gradient(180deg, #e0b76d, #c99a4c); box-shadow: 0 1px 0 rgba(255,255,255,.38) inset, 0 10px 25px -10px rgba(209,167,92,.75), 0 0 22px -8px rgba(209,167,92,.42); }
.button.teal { border-color: #3ab1bb; color: #041d20; background: linear-gradient(180deg, #66d2da, #3cb4be); box-shadow: 0 1px 0 rgba(255,255,255,.36) inset, 0 10px 25px -10px rgba(67,192,203,.75), 0 0 22px -8px rgba(67,192,203,.42); }
.button.gold:hover { border-color: #e3bd76; background: linear-gradient(180deg, #e8c47f, #d4a454); box-shadow: 0 1px 0 rgba(255,255,255,.45) inset, 0 16px 34px -9px rgba(209,167,92,.85), 0 0 30px -7px rgba(209,167,92,.58); }
.button.teal:hover { border-color: #6ed8df; background: linear-gradient(180deg, #77dce3, #45c2cc); box-shadow: 0 1px 0 rgba(255,255,255,.43) inset, 0 16px 34px -9px rgba(67,192,203,.85), 0 0 30px -7px rgba(67,192,203,.58); }
.button.compact { min-height: 38px; padding: 0 15px; }

.hero { min-height: 760px; display: grid; align-items: center; padding: 110px 0 80px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); gap: 70px; align-items: center; }
.hero-grid > *, .section-head > *, .future-grid > * { min-width: 0; }
.kicker, .eyebrow { margin: 0 0 18px; color: var(--muted); font: 11px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.kicker::before, .eyebrow::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 10px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 14px var(--gold); }
h1 { margin: 0; max-width: 780px; font-size: clamp(54px, 7.4vw, 104px); font-weight: 600; line-height: .93; letter-spacing: -.055em; }
.hero-copy { max-width: 630px; margin: 30px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 20px); line-height: 1.65; }
.hero-actions, .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.plugin-carousel { min-width: 0; }
.carousel-viewport {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #05070a;
  box-shadow: 0 2.8px 2.2px rgba(0,0,0,.034), 0 6.7px 5.3px rgba(0,0,0,.048), 0 12.5px 10px rgba(0,0,0,.06), 0 22.3px 17.9px rgba(0,0,0,.072), 0 41.8px 33.4px rgba(0,0,0,.086), 0 100px 80px rgba(0,0,0,.12);
}
.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.025);
  transition: opacity 650ms ease, transform 900ms cubic-bezier(.2,.75,.2,1), visibility 650ms;
}
.carousel-slide.is-active { opacity: 1; visibility: visible; transform: scale(1); z-index: 1; }
.carousel-slide > img { width: 100%; height: 100%; object-fit: cover; }
.carousel-shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,6,9,.96) 0%, rgba(4,6,9,.24) 58%, rgba(4,6,9,.03)); }
.carousel-copy { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 34px; }
.carousel-copy span { color: rgba(255,255,255,.62); font: 10px var(--mono); letter-spacing: .12em; }
.carousel-copy h2 { margin: 10px 0 4px; font-size: 42px; line-height: 1; }
.carousel-copy p { margin: 0 0 18px; color: #c7cbd1; font-size: 15px; }
.carousel-copy a { position: relative; z-index: 3; font: 600 12px var(--mono); }
.carousel-slide:first-child .carousel-copy a { color: var(--gold); }
.carousel-slide:nth-child(2) .carousel-copy a { color: var(--teal); }
.carousel-controls { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dot { position: relative; width: 54px; height: 4px; padding: 0; overflow: hidden; border: 0; border-radius: 4px; background: #2a3038; cursor: pointer; }
.carousel-dot span { position: absolute; inset: 0; background: var(--text); transform: scaleX(0); transform-origin: left; }
.carousel-dot.is-active span { animation: carousel-progress 6s linear forwards; }
.plugin-carousel.is-paused .carousel-dot.is-active span { animation-play-state: paused; }
.carousel-arrows { display: flex; gap: 8px; }
.carousel-arrows button { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; color: var(--text); background: var(--surface); cursor: pointer; transition: .18s ease; }
.carousel-arrows button:hover { border-color: #626a77; transform: translateY(-2px); }
@keyframes carousel-progress { to { transform: scaleX(1); } }

.demo-section { background: linear-gradient(180deg, rgba(16,19,25,.42), rgba(8,10,14,.16)); }
.video-carousel { max-width: 1040px; margin: 0 auto; }
.video-carousel-viewport { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #05070a; box-shadow: 0 28px 80px rgba(0,0,0,.38); }
.video-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transform: translateX(18px); transition: opacity 500ms ease, transform 650ms cubic-bezier(.2,.75,.2,1), visibility 500ms; }
.video-slide.is-active { z-index: 1; opacity: 1; visibility: visible; transform: translateX(0); }
.video-placeholder { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: inherit; background: #07090d; }
.youtube-embed { position: relative; width: 100%; height: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: inherit; background: #05070a; }
.youtube-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-placeholder > img { width: 100%; height: 100%; object-fit: cover; opacity: .62; transform: scale(1.015); }
.video-overlay { position: absolute; inset: 0; background: radial-gradient(circle at center, transparent 0, rgba(4,6,9,.14) 38%, rgba(4,6,9,.8) 100%), linear-gradient(0deg, rgba(4,6,9,.72), transparent 55%); }
.video-center { position: absolute; top: 50%; left: 50%; display: flex; width: min(90%, 440px); flex-direction: column; align-items: center; text-align: center; transform: translate(-50%, -50%); }
.video-play { display: grid; place-items: center; width: 72px; height: 72px; margin-bottom: 20px; padding-left: 4px; border: 1px solid rgba(255,255,255,.34); border-radius: 50%; color: var(--text); background: rgba(8,10,14,.62); box-shadow: 0 15px 38px rgba(0,0,0,.35); font-size: 19px; }
.gold-video .video-play { border-color: rgba(209,167,92,.62); box-shadow: 0 0 30px -7px rgba(209,167,92,.68), 0 15px 38px rgba(0,0,0,.35); }
.teal-video .video-play { border-color: rgba(67,192,203,.62); box-shadow: 0 0 30px -7px rgba(67,192,203,.68), 0 15px 38px rgba(0,0,0,.35); }
.video-center strong { font-size: clamp(24px, 3vw, 38px); letter-spacing: -.035em; }
.video-center small { margin-top: 9px; color: #b5bac3; font: 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.youtube-badge { position: absolute; top: 22px; left: 22px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.2); border-radius: 4px; color: #c9cdd3; background: rgba(8,10,14,.55); font: 10px var(--mono); letter-spacing: .1em; }
.product-video { width: min(78%, 960px); margin: 0 auto; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 28px 80px rgba(0,0,0,.38); }

.section { padding: 105px 0; border-top: 1px solid var(--line); }
.section::before,
.section::after,
.future::before,
.future::after {
  content: "";
  position: absolute;
  top: -3px;
  z-index: 3;
  width: 6px;
  height: 6px;
  border: 1px solid rgba(255,255,255,.14);
  background: var(--bg);
  pointer-events: none;
}
.section::before, .future::before { left: max(21px, calc((100vw - var(--max)) / 2 - 3px)); }
.section::after, .future::after { right: max(21px, calc((100vw - var(--max)) / 2 - 3px)); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; margin-bottom: 48px; }
h2 { margin: 0; font-size: clamp(36px, 5vw, 65px); line-height: 1; letter-spacing: -.04em; }
.section-intro { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.7; }

.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.product-card { position: relative; overflow: hidden; min-height: 610px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.product-card::before { content: ""; position: absolute; inset: 0; z-index: 2; border-radius: inherit; box-shadow: inset 0 1px 0 rgba(255,255,255,.045); pointer-events: none; }
.product-image { height: 360px; overflow: hidden; background: #05070a; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.product-card:hover .product-image img { transform: scale(1.025); }
.product-body { padding: 30px; }
.product-meta { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font: 11px var(--mono); letter-spacing: .08em; }
.product-body h3 { margin: 20px 0 12px; font-size: 34px; letter-spacing: -.03em; }
.product-body p { max-width: 520px; margin: 0; color: var(--muted); line-height: 1.65; }
.text-link { display: inline-block; margin-top: 25px; font: 600 12px var(--mono); }
.product-card.gold .text-link { color: var(--gold); }
.product-card.teal .text-link { color: var(--teal); }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.principle { min-height: 250px; padding: 30px; background: var(--surface); }
.principle + .principle { border-left: 1px solid var(--line); }
.number { color: var(--muted); font: 11px var(--mono); }
.principle h3 { margin: 62px 0 12px; font-size: 21px; }
.principle p { margin: 0; color: var(--muted); line-height: 1.65; }
.support-section { background: linear-gradient(135deg, rgba(209,167,92,.025), transparent 45%, rgba(67,192,203,.035)); }
.support-options { display: grid; grid-template-columns: .82fr 1.18fr; gap: 18px; }
.support-option { min-height: 330px; padding: 32px; border: 1px solid var(--line); border-radius: 14px; background: rgba(16,19,25,.9); box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 28px 70px rgba(0,0,0,.18); }
.support-option h3 { margin: 48px 0 12px; font-size: 25px; letter-spacing: -.025em; }
.support-option p { max-width: 480px; margin: 0; color: var(--muted); line-height: 1.65; }
.support-option .button { margin-top: 28px; }
.support-crypto { display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: center; }
.support-crypto h3 { margin-top: 48px; }
.network-list { margin-top: 20px; color: #b2b7c0; font: 10px/1.7 var(--mono); letter-spacing: .05em; }
.qr-frame { width: 190px; padding: 13px; border: 1px solid rgba(67,192,203,.26); border-radius: 11px; background: #f2f2ef; box-shadow: 0 0 30px -9px rgba(67,192,203,.52), 0 20px 45px rgba(0,0,0,.35); }
.qr-frame img { width: 100%; aspect-ratio: 1; object-fit: contain; image-rendering: pixelated; }
.qr-frame span { display: block; margin-top: 11px; color: #24282d; text-align: center; font: 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.future { position: relative; padding: 90px 0; border-top: 1px solid var(--line); background: radial-gradient(circle at 80% 10%, rgba(67,192,203,.09), transparent 33%), rgba(16,19,25,.86); }
.future-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.future p { color: var(--muted); font-size: 17px; line-height: 1.7; }

/* Product pages */
.product-hero { position: relative; min-height: 760px; display: flex; align-items: end; padding: 150px 0 70px; overflow: hidden; background: #07090d; }
.product-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,8,11,.92) 0%, rgba(6,8,11,.55) 50%, rgba(6,8,11,.1)), linear-gradient(0deg, #080a0e, transparent 35%); }
.product-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .78; }
.product-hero .wrap { position: relative; z-index: 2; }
.product-hero h1 { max-width: 880px; font-size: clamp(64px, 9vw, 126px); }
.accent-gold { color: var(--gold); }
.accent-teal { color: var(--teal); }
.product-hero .hero-copy { max-width: 610px; color: #c4c7cc; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.fact { padding: 8px 11px; border: 1px solid rgba(255,255,255,.18); border-radius: 4px; color: #c4c7cc; font: 11px var(--mono); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--line); }
.feature { min-height: 220px; padding: 28px; background: var(--surface); }
.feature .label { color: var(--muted); font: 11px var(--mono); }
.feature h3 { margin: 38px 0 12px; font-size: 22px; }
.feature p { margin: 0; color: var(--muted); line-height: 1.6; }
.interface-frame { width: 60%; margin: 0 auto; padding: 10px; border: 1px solid var(--line); border-radius: 14px; background: #0d1015; box-shadow: 0 40px 80px rgba(0,0,0,.35); }
.interface-frame img { width: 100%; border-radius: 7px; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.flow-step { position: relative; padding: 28px 26px; }
.flow-step + .flow-step { border-left: 1px solid var(--line); }
.flow-step:not(:last-child)::after { content: "→"; position: absolute; right: -8px; top: 50%; z-index: 2; color: var(--muted); background: var(--bg); }
.flow-step span { color: var(--muted); font: 10px var(--mono); }
.flow-step b { display: block; margin-top: 12px; font-size: 16px; }
.use-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.use-card { padding: 28px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.use-card h3 { margin: 0 0 10px; font-size: 20px; }
.use-card p { margin: 0; color: var(--muted); line-height: 1.6; }
.specs { width: 100%; border-collapse: collapse; }
.specs tr { border-bottom: 1px solid var(--line); }
.specs th, .specs td { padding: 18px 0; text-align: left; vertical-align: top; }
.specs th { width: 36%; color: var(--muted); font: 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.specs td { font-size: 15px; }
.download-panel { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; padding: 48px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.download-panel h2 { font-size: clamp(34px, 5vw, 58px); }
.download-panel p { max-width: 650px; margin: 16px 0 0; color: var(--muted); line-height: 1.65; }

footer { padding: 55px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; color: var(--muted); font: 11px/1.7 var(--mono); }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }

@media (max-width: 1320px) {
  .side-rail { display: none; }
}

@media (max-width: 900px) {
  .hero-grid, .section-head, .future-grid { grid-template-columns: minmax(0, 1fr); }
  .hero { min-height: auto; }
  .carousel-viewport { min-height: 450px; }
  .product-grid, .feature-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 0; }
  .principles { grid-template-columns: 1fr; }
  .principle + .principle { border-left: 0; border-top: 1px solid var(--line); }
  .principle { min-height: 210px; }
  .principle h3 { margin-top: 42px; }
  .support-options { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow-step:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .flow-step:nth-child(4) { border-top: 1px solid var(--line); }
  .flow-step::after { display: none; }
}

@media (max-width: 700px) {
  main::before, main::after, .section::before, .section::after, .future::before, .future::after { display: none; }
  .wrap { width: min(100% - 32px, var(--max)); }
  .nav-links, .nav-action { display: none; }
  .menu-toggle { display: block; flex-shrink: 0; }
  .site-nav.open .nav-inner { flex-wrap: wrap; padding-bottom: 18px; }
  .site-nav.open .nav-links { display: flex; order: 3; width: 100%; flex-direction: column; gap: 18px; }
  .site-nav.open .nav-products-menu { position: static; width: 100%; margin-top: 12px; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
  .site-nav.open .nav-products-trigger span { display: none; }
  .hero { padding: 82px 0 58px; }
  h1 { font-size: 44px; line-height: .98; }
  .hero-copy { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .carousel-viewport { min-height: 390px; }
  .carousel-copy { padding: 24px; }
  .carousel-copy h2 { font-size: 34px; }
  .video-play { width: 58px; height: 58px; margin-bottom: 15px; }
  .youtube-badge { top: 14px; left: 14px; }
  .product-video { width: 100%; }
  .support-crypto { grid-template-columns: 1fr; }
  .qr-frame { width: min(190px, 100%); }
  .section { padding: 72px 0; }
  .product-image { height: 250px; }
  .product-body { padding: 24px; }
  .product-hero { min-height: 690px; padding: 120px 0 60px; }
  .product-hero h1 { font-size: 66px; }
  .feature-grid, .use-grid, .flow { grid-template-columns: 1fr; }
  .flow-step + .flow-step { border-left: 0; border-top: 1px solid var(--line); }
  .download-panel { grid-template-columns: 1fr; padding: 30px; }
  .interface-frame { width: 100%; padding: 7px; }
  .download-panel .actions { margin-top: 0; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .carousel-dot.is-active span { animation: none; transform: scaleX(1); }
}