:root {
  --bg: #080808;
  --bg-2: #111111;
  --text: #f7f7f7;
  --muted: #b9b9b9;
  --dark: #121212;
  --ink: #171717;
  --body: #444444;
  --line: rgba(255,255,255,.14);
  --light-line: rgba(0,0,0,.1);
  --surface: #ffffff;
  --surface-2: #f5f5f2;
  --orange: #ff6500;
  --orange-dark: #db4f00;
  --orange-soft: rgba(255,101,0,.12);
  --radius: 24px;
  --shadow: 0 24px 70px rgba(0,0,0,.24);
  --container: min(1160px, calc(100vw - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: var(--container); margin-inline: auto; }
.section-dark { background: var(--bg); color: var(--text); }
.section-light { background: var(--surface-2); }
.section-white { background: var(--surface); }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 100;
  transform: translateY(-160%); background: var(--orange); color: #fff;
  padding: 10px 14px; border-radius: 999px; font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }
.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;
}

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(8,8,8,.78); backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled { background: rgba(8,8,8,.95); box-shadow: 0 10px 40px rgba(0,0,0,.28); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 24px; }
.brand img { width: 174px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 26px; color: rgba(255,255,255,.78); font-size: 14px; font-weight: 700; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: #fff; }
.nav-cta {
  color: #fff !important; background: var(--orange); padding: 11px 16px;
  border-radius: 999px; box-shadow: 0 10px 22px rgba(255,101,0,.22);
}
.nav-toggle { display: none; }

.hero { position: relative; overflow: hidden; padding: 168px 0 92px; min-height: 760px; }
.hero-bg {
  position: absolute; inset: 0; opacity: .82;
  background:
    radial-gradient(circle at 80% 20%, rgba(255,101,0,.22), transparent 34%),
    radial-gradient(circle at 10% 30%, rgba(255,101,0,.12), transparent 28%),
    linear-gradient(130deg, #070707 0%, #111 56%, #1a100a 100%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: linear-gradient(to bottom, black, transparent 84%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.03fr .97fr; gap: 62px; align-items: center; }
.eyebrow {
  margin: 0 0 14px; color: var(--orange); text-transform: uppercase;
  letter-spacing: .13em; font-size: 12px; font-weight: 900;
}
.eyebrow.dark { color: var(--orange-dark); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(54px, 9vw, 108px); line-height: .88; letter-spacing: 0; margin-bottom: 24px; max-width: 760px; }
h2 { font-size: clamp(34px, 5vw, 64px); line-height: .95; letter-spacing: 0; margin-bottom: 22px; }
h3 { font-size: 23px; line-height: 1.1; letter-spacing: 0; margin-bottom: 12px; }
.hero-lede { font-size: clamp(18px, 2.1vw, 24px); color: rgba(255,255,255,.74); max-width: 680px; margin-bottom: 32px; }
.hero-actions, .cta-grid { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px;
  padding: 0 22px; border-radius: 999px; font-weight: 900; letter-spacing: 0;
  border: 1px solid transparent; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:disabled { cursor: wait; opacity: .72; transform: none; }
.button.primary { background: var(--orange); color: #fff; box-shadow: 0 18px 30px rgba(255,101,0,.28); }
.button.primary:hover { background: var(--orange-dark); }
.button.secondary { border-color: rgba(255,255,255,.22); color: #fff; background: rgba(255,255,255,.06); }
.button.full { width: 100%; border: 0; }
.trust-strip { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 32px; }
.trust-strip span {
  border: 1px solid rgba(255,255,255,.16); border-radius: 999px; padding: 8px 12px;
  color: rgba(255,255,255,.76); font-size: 13px; font-weight: 800; background: rgba(255,255,255,.05);
}

.hero-card {
  position: relative; padding: 30px; border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(150deg, rgba(255,255,255,.11), rgba(255,255,255,.035));
  border: 1px solid rgba(255,255,255,.15); box-shadow: var(--shadow); overflow: hidden;
}
.hero-card::before {
  content: ""; position: absolute; inset: -130px -90px auto auto; width: 260px; height: 260px;
  background: var(--orange); filter: blur(70px); opacity: .33;
}
.product-card { padding: 18px; }
.product-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 1.2 / 1;
  object-fit: contain;
  border-radius: 22px;
  background: #050505;
}
.product-card .metric-row {
  position: relative;
  z-index: 1;
}
.device-frame {
  position: relative; height: 420px; border-radius: 24px; background: linear-gradient(180deg, #1b1b1b, #090909);
  border: 1px solid rgba(255,255,255,.12); overflow: hidden;
}
.device-frame::after { content: ""; position: absolute; left: 50%; top: 118px; width: 8px; height: 215px; background: #eee; transform: translateX(-50%); border-radius: 999px; opacity: .9; }
.screen {
  position: absolute; z-index: 3; left: 50%; top: 38px; width: 170px; height: 100px; transform: translateX(-50%);
  border-radius: 18px; background: #0d0d0d; border: 3px solid #f3f3f3; display: grid; place-items: center; overflow: hidden;
}
.screen span { position: relative; z-index: 1; font-size: 12px; color: rgba(255,255,255,.72); font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.pulse-line { position: absolute; width: 260px; height: 2px; background: linear-gradient(90deg, transparent, var(--orange), transparent); animation: scan 2.4s linear infinite; }
@keyframes scan { from { transform: translateX(-120px); } to { transform: translateX(120px); } }
.treadmill { position: absolute; left: 50%; bottom: 56px; width: 78%; height: 110px; transform: translateX(-50%) skewX(-10deg); border-radius: 18px; background: #262626; border: 1px solid rgba(255,255,255,.18); box-shadow: inset 0 0 0 10px #111; }
.deck { position: absolute; inset: 28px 18px; border-radius: 12px; background: repeating-linear-gradient(90deg, #2f2f2f 0 10px, #1b1b1b 10px 20px); }
.belt-lines { position: absolute; left: 18px; right: 18px; bottom: 18px; height: 4px; background: var(--orange); border-radius: 999px; opacity: .95; }
.cable { position: absolute; z-index: 2; top: 116px; width: 142px; height: 210px; fill: none; stroke: rgba(255,255,255,.86); stroke-width: 3.5; stroke-linecap: round; }
.cable-left { left: 76px; }
.cable-right { right: 76px; }
.handle { position: absolute; z-index: 3; width: 42px; height: 13px; background: var(--orange); border-radius: 999px; bottom: 96px; }
.handle.left { left: 58px; transform: rotate(-31deg); }
.handle.right { right: 58px; transform: rotate(31deg); }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.metric-row div { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 18px; padding: 18px 12px; }
.metric-row strong { display: block; font-size: 32px; line-height: 1; color: #fff; }
.metric-row span { display: block; margin-top: 6px; color: rgba(255,255,255,.62); font-size: 12px; font-weight: 800; }

.problem, .product, .markets, .traction, .founder, .contact { padding: 96px 0; }
.two-col { display: grid; grid-template-columns: .32fr 1fr; gap: 64px; align-items: start; }
.section-kicker { color: var(--orange-dark); text-transform: uppercase; font-weight: 950; letter-spacing: .13em; font-size: 12px; }
.two-col p, .section-heading p, .science p, .market-card p, .feature-card p, .founder p, .contact p, .cta-band p { color: var(--body); font-size: 18px; }
.section-dark .science p, .section-dark .cta-band p { color: rgba(255,255,255,.7); }
.section-heading { max-width: 830px; margin-bottom: 42px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature-card, .market-card, .founder-card, .contact-form, .stat-card {
  border: 1px solid var(--light-line); border-radius: var(--radius); background: #fff; box-shadow: 0 20px 60px rgba(0,0,0,.06);
}
.feature-card { padding: 28px; min-height: 300px; }
.icon { display: inline-flex; width: 45px; height: 45px; align-items: center; justify-content: center; background: var(--orange-soft); color: var(--orange-dark); border-radius: 15px; font-weight: 950; margin-bottom: 28px; }

.science { position: relative; padding: 108px 0; overflow: hidden; }
.angled::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 82% 18%, rgba(255,101,0,.23), transparent 31%); }
.science-grid { position: relative; display: grid; grid-template-columns: .92fr 1.08fr; gap: 52px; align-items: center; }
.science-list { display: grid; gap: 16px; }
.science-list div { padding: 26px; border: 1px solid var(--line); background: rgba(255,255,255,.05); border-radius: 22px; }
.science-list span { display: block; color: var(--orange); font-weight: 950; margin-bottom: 8px; }
.science-list p { margin: 0; }

.market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.market-card { padding: 32px; background: linear-gradient(180deg, #fff, #fbfbfb); min-height: 245px; }
.market-card h3 { font-size: 27px; }

.traction-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 52px; align-items: center; }
.stat-stack { display: grid; gap: 14px; }
.stat-card { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 28px; }
.stat-card strong { font-size: clamp(27px, 4vw, 42px); line-height: 1; letter-spacing: 0; }
.stat-card span { color: var(--body); font-weight: 800; text-align: right; }

.founder-grid { display: grid; grid-template-columns: .42fr .58fr; gap: 56px; align-items: center; }
.founder-card { padding: 36px; background: var(--bg); color: #fff; border-color: rgba(255,255,255,.1); box-shadow: var(--shadow); }
.founder-mark { width: 92px; height: 92px; border-radius: 28px; display: grid; place-items: center; background: var(--orange); color: #fff; font-size: 34px; font-weight: 950; margin-bottom: 32px; }
.founder-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 22%;
  border-radius: 22px;
  margin-bottom: 28px;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 20px 50px rgba(0,0,0,.28);
}
.founder-card h3 { font-size: 34px; margin-bottom: 6px; }
.founder-card p { color: rgba(255,255,255,.74); margin-bottom: 24px; }
.founder-card span { color: rgba(255,255,255,.86); font-weight: 800; }

.cta-band { padding: 76px 0; }
.cta-grid { justify-content: space-between; gap: 28px; }
.cta-grid div { max-width: 760px; }
.cta-grid h2 { margin-bottom: 16px; }

.contact-grid { display: grid; grid-template-columns: .85fr 1fr; gap: 54px; align-items: start; }
.contact-details { display: grid; gap: 8px; margin-top: 28px; font-weight: 900; }
.contact-details a { color: var(--orange-dark); }
.contact-form { padding: 30px; display: grid; gap: 18px; }
label { display: grid; gap: 7px; font-weight: 900; color: #242424; }
input, select, textarea {
  width: 100%; border: 1px solid rgba(0,0,0,.16); border-radius: 16px; padding: 14px 15px;
  font: inherit; background: #fff; color: #111; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 4px var(--orange-soft); }
textarea { resize: vertical; }
.form-note { margin: 0; font-size: 13px !important; color: #767676 !important; }

.site-footer { background: #050505; color: rgba(255,255,255,.72); padding: 30px 0; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-grid img { width: 154px; }
.footer-grid p { margin: 0; font-size: 14px; }
.footer-grid a { font-weight: 900; color: #fff; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }
.delay-3 { transition-delay: .32s; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 999px; border: 1px solid rgba(255,255,255,.18); background: transparent; }
  .nav-toggle span:not(.sr-only) { display: block; width: 20px; height: 2px; background: #fff; margin: 3px 0; transition: transform .2s ease, opacity .2s ease; }
  .site-nav {
    position: fixed; left: 20px; right: 20px; top: 88px; display: grid; gap: 4px;
    padding: 18px; background: rgba(10,10,10,.96); border: 1px solid rgba(255,255,255,.12); border-radius: 22px;
    box-shadow: var(--shadow); transform-origin: top; transform: scaleY(.94); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease;
  }
  .site-nav.is-open { opacity: 1; pointer-events: auto; transform: scaleY(1); }
  .site-nav a { padding: 12px 14px; }
  .nav-cta { display: inline-flex; width: fit-content; }
  .hero { padding-top: 132px; }
  .hero-grid, .two-col, .science-grid, .traction-grid, .founder-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .market-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --container: min(100vw - 28px, 1160px); }
  .brand img { width: 146px; }
  .hero { min-height: auto; padding: 118px 0 64px; }
  h1 { font-size: clamp(48px, 16vw, 76px); }
  .hero-card { padding: 18px; }
  .device-frame { height: 330px; }
  .cable-left { left: 30px; }
  .cable-right { right: 30px; }
  .handle.left { left: 32px; }
  .handle.right { right: 32px; }
  .metric-row, .feature-grid { grid-template-columns: 1fr; }
  .stat-card { align-items: flex-start; flex-direction: column; }
  .stat-card span { text-align: left; }
  .problem, .product, .markets, .traction, .founder, .contact { padding: 70px 0; }
  .science { padding: 76px 0; }
  .cta-band { padding: 64px 0; }
}