:root {
  --ink: #0b1820;
  --ink-2: #152832;
  --night: #061118;
  --night-2: #0a1c24;
  --paper: #f4f7f5;
  --paper-2: #eaf0ed;
  --white: #ffffff;
  --muted: #60727a;
  --line: rgba(11, 24, 32, 0.14);
  --line-light: rgba(255, 255, 255, 0.15);
  --cyan: #22d9d0;
  --cyan-soft: #9df5ef;
  --cyan-dark: #0c8f8c;
  --silver: #b7c2c6;
  --radius: 24px;
  --shadow: 0 30px 80px rgba(2, 16, 23, 0.16);
  --shell: min(1200px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { color: inherit; }
sup { font-size: .42em; line-height: 0; vertical-align: .9em; letter-spacing: -.02em; }

::selection { background: var(--cyan); color: var(--night); }

.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; top: 10px; left: 10px; z-index: 1000;
  transform: translateY(-160%); background: var(--white); color: var(--ink);
  padding: 10px 14px; border-radius: 8px; text-decoration: none;
}
.skip-link:focus { transform: translateY(0); }
.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: 78px; display: flex; align-items: center;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6, 17, 24, .82);
  border-color: rgba(255,255,255,.09);
  backdrop-filter: blur(18px);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--white); text-decoration: none; }
.brand-mark { position: relative; width: 28px; height: 28px; display: block; }
.brand-mark span { position: absolute; height: 2px; background: var(--cyan); border-radius: 99px; transform-origin: left center; }
.brand-mark span:nth-child(1) { width: 23px; left: 2px; top: 7px; transform: rotate(28deg); }
.brand-mark span:nth-child(2) { width: 20px; left: 5px; top: 14px; transform: rotate(-27deg); }
.brand-mark span:nth-child(3) { width: 15px; left: 1px; top: 22px; transform: rotate(24deg); }
.brand-mark::before, .brand-mark::after {
  content: ""; position: absolute; width: 5px; height: 5px; border: 1px solid var(--cyan); border-radius: 50%;
}
.brand-mark::before { left: 0; top: 4px; }
.brand-mark::after { right: 0; bottom: 2px; }
.brand-name { font-size: 13px; font-weight: 420; letter-spacing: .18em; }
.brand-name b { font-weight: 750; }
.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a {
  color: rgba(255,255,255,.72); text-decoration: none; font-size: 13px; letter-spacing: .03em;
  transition: color .2s ease;
}
.site-nav a:hover { color: var(--white); }
.site-nav .nav-cta {
  color: var(--night); background: var(--cyan); padding: 10px 18px; border-radius: 999px; font-weight: 720;
}
.site-nav .nav-cta:hover { color: var(--night); background: var(--cyan-soft); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span:not(.sr-only) { display: block; width: 26px; height: 1px; background: var(--white); margin: 7px 0; transition: transform .25s ease; }

.hero {
  position: relative; min-height: 860px; color: var(--white); background:
    radial-gradient(circle at 74% 40%, rgba(25, 206, 200, .10), transparent 31%),
    linear-gradient(135deg, #061118 0%, #081820 50%, #041016 100%);
  overflow: hidden; padding: 155px 0 74px;
}
.hero-grid, .contact-grid {
  position: absolute; inset: 0; opacity: .18; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0; height: 220px;
  background: linear-gradient(to top, rgba(34,217,208,.04), transparent);
  pointer-events: none;
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(1px); opacity: .65; pointer-events: none; }
.glow-one { width: 500px; height: 500px; right: -260px; top: 80px; border: 1px solid rgba(34,217,208,.18); box-shadow: 0 0 120px rgba(34,217,208,.08) inset; }
.glow-two { width: 300px; height: 300px; left: -180px; bottom: 130px; border: 1px solid rgba(34,217,208,.13); }
.hero-layout { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 54px; position: relative; z-index: 2; }
.hero-copy { padding-top: 22px; }
.eyebrow, .kicker {
  display: flex; align-items: center; gap: 10px; margin: 0 0 23px;
  font-size: 11px; font-weight: 760; letter-spacing: .18em; text-transform: uppercase;
}
.eyebrow { color: var(--cyan-soft); }
.eyebrow span { width: 31px; height: 1px; background: var(--cyan); position: relative; }
.eyebrow span::after { content: ""; position: absolute; width: 4px; height: 4px; right: -2px; top: -1.5px; border-radius: 50%; background: var(--cyan); }
.hero h1 {
  max-width: 670px; margin: 0; font-size: clamp(52px, 5.5vw, 82px); line-height: .98; letter-spacing: -.055em; font-weight: 470;
}
.hero h1 em { font-style: normal; color: var(--cyan); }
.hero-lede { max-width: 620px; margin: 30px 0 0; font-size: 18px; line-height: 1.72; color: rgba(255,255,255,.66); }
.hero-actions { display: flex; align-items: center; gap: 13px; margin-top: 38px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 36px; min-height: 52px;
  padding: 0 23px; border: 1px solid transparent; border-radius: 999px; text-decoration: none;
  font-size: 13px; font-weight: 760; letter-spacing: .02em; transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--cyan); color: var(--night); }
.button-primary:hover { background: var(--cyan-soft); }
.button-ghost { border-color: rgba(255,255,255,.21); color: var(--white); }
.button-ghost:hover { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.05); }
.hero-proof { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 38px; color: rgba(255,255,255,.46); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.hero-proof span { display: flex; align-items: center; gap: 8px; }
.hero-proof span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }

.hero-visual { position: relative; min-height: 560px; display: flex; align-items: center; justify-content: center; }
.product-stage {
  position: relative; width: 550px; height: 515px; border: 1px solid rgba(255,255,255,.15); border-radius: 44px;
  background: linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.015));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12), 0 50px 100px rgba(0,0,0,.32);
  backdrop-filter: blur(10px); transform-style: preserve-3d; transition: transform .18s ease-out;
}
.product-stage::before {
  content: ""; position: absolute; inset: 20px; border: 1px solid rgba(255,255,255,.07); border-radius: 30px;
}
.product-stage-topline { position: absolute; top: 29px; left: 34px; right: 34px; display: flex; align-items: center; justify-content: space-between; font-size: 9px; letter-spacing: .17em; color: rgba(255,255,255,.45); }
.status-dot { display: flex; align-items: center; gap: 7px; }
.status-dot::before { content: ""; width: 5px; height: 5px; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 10px var(--cyan); }
.product-wordmark { position: absolute; left: 36px; top: 58px; z-index: 3; font-size: 49px; font-weight: 420; letter-spacing: -.06em; color: rgba(255,255,255,.86); }
.hero-product { position: absolute; object-fit: contain; filter: drop-shadow(0 32px 35px rgba(0,0,0,.34)); transition: transform .5s ease; }
.hero-product-back { width: 520px; right: -54px; top: 78px; transform: rotate(-5deg); }
.hero-product-front { width: 275px; left: 0; bottom: 28px; transform: rotate(9deg); }
.product-stage:hover .hero-product-back { transform: rotate(-3deg) translateY(-5px); }
.product-stage:hover .hero-product-front { transform: rotate(6deg) translate(-4px, -4px); }
.product-caption { position: absolute; z-index: 4; left: 38px; right: 38px; bottom: 27px; display: flex; align-items: center; gap: 13px; color: rgba(255,255,255,.47); font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
.product-caption i { flex: 1; height: 1px; background: rgba(255,255,255,.12); }
.orbital { position: absolute; border-radius: 50%; border: 1px solid rgba(34,217,208,.15); pointer-events: none; }
.orbital-one { width: 640px; height: 640px; }
.orbital-two { width: 720px; height: 360px; transform: rotate(-20deg); }
.data-tag {
  position: absolute; z-index: 5; display: flex; align-items: center; gap: 12px; width: 182px;
  padding: 13px 15px; border: 1px solid rgba(255,255,255,.14); background: rgba(5,19,26,.78); border-radius: 13px;
  backdrop-filter: blur(12px); box-shadow: 0 12px 35px rgba(0,0,0,.22);
}
.data-tag b { color: var(--cyan); font-size: 10px; letter-spacing: .12em; }
.data-tag span { color: rgba(255,255,255,.68); font-size: 10px; line-height: 1.4; }
.data-tag-a { top: 115px; right: -24px; }
.data-tag-b { left: -34px; bottom: 110px; }
.hero-strip { position: absolute; z-index: 3; left: 0; bottom: 0; width: 100%; border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); overflow: hidden; background: rgba(5,15,21,.55); }
.hero-strip-track { width: max-content; display: flex; align-items: center; gap: 28px; padding: 16px 0; color: rgba(255,255,255,.34); font-size: 10px; letter-spacing: .18em; animation: marquee 28s linear infinite; }
.hero-strip-track i { width: 4px; height: 4px; background: var(--cyan); border-radius: 50%; }
@keyframes marquee { to { transform: translateX(-50%); } }

.section { position: relative; padding: 125px 0; }
.section-intro { display: grid; grid-template-columns: 190px 1fr; gap: 50px; align-items: start; margin-bottom: 64px; }
.section-index { padding-top: 9px; color: var(--muted); font-size: 10px; font-weight: 760; letter-spacing: .18em; text-transform: uppercase; }
.section-index.light { color: rgba(255,255,255,.45); }
.kicker { color: var(--cyan-dark); margin-bottom: 14px; }
.kicker.cyan { color: var(--cyan); }
.section h2 { margin: 0; max-width: 840px; font-size: clamp(40px, 4.3vw, 64px); line-height: 1.03; letter-spacing: -.045em; font-weight: 470; }
.mission { background: var(--paper); }
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.problem-card { position: relative; min-height: 365px; padding: 27px; background: rgba(255,255,255,.7); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.problem-card::after { content: ""; position: absolute; inset: auto -60px -90px auto; width: 210px; height: 210px; border: 1px solid rgba(11,24,32,.06); border-radius: 50%; }
.problem-card h3 { margin: 185px 0 10px; font-size: 23px; letter-spacing: -.025em; }
.problem-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.card-number { position: absolute; top: 26px; left: 27px; color: var(--muted); font-size: 10px; letter-spacing: .16em; }
.accent-card { background: var(--ink); border-color: var(--ink); color: var(--white); }
.accent-card p { color: rgba(255,255,255,.6); }
.accent-card .card-number { color: var(--cyan); }
.accent-card::after { border-color: rgba(34,217,208,.12); }
.signal-graphic { position: absolute; top: 70px; left: 26px; right: 26px; height: 84px; display: flex; align-items: end; gap: 8px; }
.signal-graphic span { flex: 1; min-width: 8px; background: linear-gradient(to top, rgba(12,143,140,.65), rgba(34,217,208,.1)); border-radius: 3px 3px 0 0; }
.signal-graphic span:nth-child(1) { height: 28%; } .signal-graphic span:nth-child(2) { height: 67%; } .signal-graphic span:nth-child(3) { height: 44%; } .signal-graphic span:nth-child(4) { height: 91%; } .signal-graphic span:nth-child(5) { height: 54%; } .signal-graphic span:nth-child(6) { height: 74%; }
.delay-graphic { position: absolute; top: 77px; left: 31px; right: 31px; height: 72px; display: grid; grid-template-columns: 1fr 1.2fr 1.6fr; gap: 7px; align-items: center; }
.delay-graphic span { height: 8px; border-radius: 99px; background: var(--paper-2); position: relative; overflow: hidden; }
.delay-graphic span::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 36%; background: var(--cyan-dark); border-radius: inherit; }
.delay-graphic span:nth-child(2)::after { width: 64%; } .delay-graphic span:nth-child(3)::after { width: 86%; }
.pulse-graphic { position: absolute; left: 26px; right: 26px; top: 65px; height: 105px; display: flex; align-items: center; }
.pulse-graphic::before { content: ""; width: 100%; height: 1px; background: rgba(255,255,255,.1); }
.pulse-graphic span { position: absolute; left: 0; right: 0; height: 70px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 340 70'%3E%3Cpath d='M0 39h70l15-20 18 38 24-50 21 32h58l16-14 17 24 18-34 20 24h63' fill='none' stroke='%2322d9d0' stroke-width='2'/%3E%3C/svg%3E") center / 100% 100% no-repeat; }

.product-section { color: var(--white); background: var(--night); overflow: hidden; }
.product-aura { position: absolute; border: 1px solid rgba(34,217,208,.12); border-radius: 50%; }
.aura-left { width: 600px; height: 600px; left: -360px; top: 80px; box-shadow: inset 0 0 110px rgba(34,217,208,.04); }
.product-layout { display: grid; grid-template-columns: .87fr 1.13fr; gap: 76px; align-items: center; position: relative; z-index: 2; }
.product-copy h2 { max-width: 530px; }
.product-copy > p:not(.kicker) { max-width: 575px; margin: 25px 0 0; color: rgba(255,255,255,.62); font-size: 17px; line-height: 1.75; }
.feature-list { margin-top: 42px; border-top: 1px solid var(--line-light); }
.feature-list > div { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line-light); }
.feature-list span { color: var(--cyan); font-size: 9px; letter-spacing: .16em; padding-top: 4px; }
.feature-list p { margin: 0; color: rgba(255,255,255,.55); font-size: 14px; }
.feature-list b { color: var(--white); font-weight: 690; }
.product-showcase { min-width: 0; }
.view-controls { display: inline-flex; padding: 4px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; margin-bottom: 18px; }
.view-button { border: 0; background: transparent; color: rgba(255,255,255,.5); padding: 9px 16px; border-radius: 999px; font-size: 11px; font-weight: 720; cursor: pointer; }
.view-button.active { background: var(--white); color: var(--ink); }
.product-viewer { position: relative; height: 570px; border: 1px solid rgba(255,255,255,.13); border-radius: 34px; background: radial-gradient(circle at 55% 45%, rgba(34,217,208,.12), transparent 36%), linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.015)); overflow: hidden; }
.viewer-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 45px 45px; }
.viewer-ring { position: absolute; width: 460px; height: 460px; border: 1px solid rgba(34,217,208,.15); border-radius: 50%; left: 50%; top: 49%; transform: translate(-50%,-50%); box-shadow: inset 0 0 80px rgba(34,217,208,.035); }
.viewer-ring::before, .viewer-ring::after { content: ""; position: absolute; border: 1px dashed rgba(255,255,255,.08); border-radius: 50%; inset: 42px; }
.viewer-ring::after { inset: 105px; }
.viewer-image { position: absolute; inset: 50% auto auto 50%; opacity: 0; transform: translate(-50%,-46%) scale(.9) rotate(-2deg); max-width: 90%; max-height: 77%; object-fit: contain; filter: drop-shadow(0 35px 38px rgba(0,0,0,.32)); transition: opacity .35s ease, transform .45s ease; }
.viewer-image[data-view-image="front"] { max-width: 68%; }
.viewer-image.active { opacity: 1; transform: translate(-50%,-50%) scale(1) rotate(0); }
.viewer-meta { position: absolute; left: 28px; right: 28px; bottom: 22px; display: flex; justify-content: space-between; color: rgba(255,255,255,.38); font-size: 9px; letter-spacing: .16em; }

.platform { background: #eef3f0; overflow: hidden; }
.platform-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 86px; align-items: center; }
.phone-wrap { position: relative; min-height: 735px; display: grid; place-items: center; }
.phone-orbit { position: absolute; width: 570px; height: 570px; border: 1px solid rgba(12,143,140,.16); border-radius: 50%; }
.phone-orbit::before, .phone-orbit::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(12,143,140,.09); }
.phone-orbit::before { inset: 60px; } .phone-orbit::after { inset: 130px; }
.phone { position: relative; z-index: 2; width: 330px; min-height: 680px; padding: 15px 15px 20px; background: #fbfdfc; border: 7px solid #142128; border-radius: 46px; box-shadow: 0 42px 90px rgba(15,45,51,.24), inset 0 0 0 1px rgba(255,255,255,.8); transform: rotate(-3deg); }
.phone-top { height: 27px; padding: 0 8px; display: flex; align-items: center; justify-content: space-between; color: #12232a; font-size: 9px; font-weight: 750; }
.phone-island { width: 78px; height: 20px; background: #111a1f; border-radius: 99px; }
.app-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 7px 14px; }
.app-header small, .app-card small, .insight-card small { display: block; color: #718087; font-size: 7px; font-weight: 800; letter-spacing: .15em; }
.app-header strong { display: block; margin-top: 2px; font-size: 27px; letter-spacing: -.06em; font-weight: 480; }
.avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: #e2efec; color: #0c7a78; font-size: 9px; font-weight: 800; }
.app-status { display: flex; align-items: center; gap: 7px; margin: 0 7px 12px; color: #64807e; font-size: 8px; }
.app-status span { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px rgba(34,217,208,.7); }
.app-row { display: grid; grid-template-columns: 1.75fr 1fr; gap: 8px; }
.app-card { background: #edf4f1; border: 1px solid #dbe7e3; border-radius: 16px; padding: 13px; }
.fill-value { display: flex; align-items: baseline; margin: 8px 0 6px; }
.fill-value strong { font-size: 35px; line-height: 1; letter-spacing: -.06em; font-weight: 540; }
.fill-value span { color: #718087; font-size: 12px; margin-left: 3px; }
.fill-bar { height: 8px; border-radius: 99px; background: #d5e2de; overflow: hidden; }
.fill-bar i { display: block; width: 64%; height: 100%; background: linear-gradient(90deg, #0a9894, #22d9d0); border-radius: inherit; }
.app-card p { margin: 7px 0 0; color: #718087; font-size: 7px; }
.temp-card { display: flex; flex-direction: column; justify-content: space-between; }
.temp-card strong { font-size: 19px; letter-spacing: -.04em; }
.temp-card > span { align-self: flex-start; color: #0a8582; background: #d8f3ee; padding: 4px 7px; border-radius: 99px; font-size: 7px; }
.output-card { margin-top: 8px; background: #0d1e26; border-color: #0d1e26; }
.output-card small { color: rgba(255,255,255,.48); }
.app-card-heading { display: flex; justify-content: space-between; align-items: center; }
.app-card-heading > span { color: var(--cyan); font-size: 7px; }
.output-card svg { width: 100%; height: 92px; overflow: visible; }
.chart-line { fill: none; stroke: var(--cyan); stroke-width: 2; vector-effect: non-scaling-stroke; }
.chart-area { fill: url(#chartFill); }
.chart-axis { display: flex; justify-content: space-between; color: rgba(255,255,255,.3); font-size: 6px; }
.insight-card { display: flex; gap: 10px; margin-top: 8px; padding: 13px; border-radius: 16px; background: linear-gradient(135deg, #d9f5f0, #eef8f5); border: 1px solid #c9e8e2; }
.insight-icon { display: grid; place-items: center; flex: 0 0 26px; height: 26px; border-radius: 8px; background: #0d817f; color: var(--white); font-size: 12px; }
.insight-card p { margin: 5px 0 0; color: #4e686b; font-size: 8px; line-height: 1.5; }
.phone-home { width: 92px; height: 4px; margin: 17px auto 0; background: #213138; border-radius: 99px; }
.concept-label { position: absolute; z-index: 3; left: 76px; bottom: 43px; color: var(--muted); font-size: 9px; letter-spacing: .17em; transform: rotate(-90deg); transform-origin: left center; }
.platform-copy { border-top: 1px solid var(--line); }
.platform-step { position: relative; display: grid; grid-template-columns: 55px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.step-number { color: var(--cyan-dark); font-size: 10px; font-weight: 800; letter-spacing: .15em; padding-top: 4px; }
.platform-step h3 { margin: 0 0 7px; font-size: 22px; letter-spacing: -.025em; }
.platform-step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.step-line { position: absolute; left: 54px; top: 0; width: 1px; height: 100%; background: linear-gradient(var(--cyan-dark), transparent); opacity: .35; }

.principles { background: var(--paper); border-top: 1px solid var(--line); }
.principles-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 95px; }
.principles-heading h2 { font-size: clamp(40px, 4vw, 57px); margin-top: 10px; }
.principles-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.principle { min-height: 245px; padding: 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principle > span { color: var(--cyan-dark); font-size: 9px; letter-spacing: .17em; }
.principle h3 { margin: 67px 0 9px; font-size: 20px; letter-spacing: -.02em; }
.principle p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.contact { position: relative; padding: 120px 0; color: var(--white); background: #07151c; overflow: hidden; }
.contact-grid { mask-image: linear-gradient(to right, transparent, black); opacity: .14; }
.contact-glow { position: absolute; width: 700px; height: 700px; border: 1px solid rgba(34,217,208,.13); border-radius: 50%; right: -350px; top: -210px; box-shadow: inset 0 0 160px rgba(34,217,208,.035); }
.contact-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 120px; align-items: end; position: relative; z-index: 2; }
.contact-copy h2 { max-width: 680px; }
.contact-copy > p:not(.kicker) { max-width: 650px; margin: 25px 0 35px; color: rgba(255,255,255,.58); font-size: 17px; line-height: 1.7; }
.light-button { gap: 60px; }
.contact-details { padding: 28px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius); background: rgba(255,255,255,.035); backdrop-filter: blur(12px); }
.contact-monogram { display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: 36px; border: 1px solid rgba(34,217,208,.4); border-radius: 50%; color: var(--cyan); font-size: 18px; letter-spacing: -.08em; }
.contact-monogram span { transform: translateY(5px); }
.contact-details > div:not(.contact-monogram) { padding: 17px 0; border-top: 1px solid rgba(255,255,255,.1); }
.contact-details small { display: block; margin-bottom: 6px; color: rgba(255,255,255,.35); font-size: 8px; font-weight: 800; letter-spacing: .16em; }
.contact-details strong, .contact-details a { font-size: 14px; font-weight: 540; text-decoration: none; }
.contact-details a { color: var(--cyan-soft); }

.site-footer { background: #041015; color: rgba(255,255,255,.38); border-top: 1px solid rgba(255,255,255,.08); }
.footer-layout { min-height: 92px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: center; }
.footer-brand { justify-self: start; }
.site-footer p { margin: 0; font-size: 10px; letter-spacing: .04em; }
.footer-note { justify-self: end; text-align: right; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s cubic-bezier(.2,.7,.2,1), transform .75s cubic-bezier(.2,.7,.2,1); transition-delay: var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  :root { --shell: min(100% - 36px, 980px); }
  .hero { min-height: auto; }
  .hero-layout { grid-template-columns: 1fr; gap: 80px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 560px; }
  .product-stage { width: min(620px, 84vw); }
  .product-layout { grid-template-columns: 1fr; }
  .product-copy { max-width: 760px; }
  .product-showcase { width: 100%; }
  .platform-grid { gap: 30px; }
  .principles-layout { grid-template-columns: 1fr; gap: 60px; }
  .principles-heading { max-width: 760px; }
  .contact-layout { gap: 60px; }
}

@media (max-width: 780px) {
  :root { --shell: calc(100vw - 28px); }
  .site-header { height: 68px; }
  .nav-toggle { display: block; position: relative; z-index: 102; }
  .site-nav {
    position: fixed; inset: 0; z-index: 101; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 28px;
    padding: 40px; background: rgba(4,16,21,.98); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: .25s ease;
  }
  .site-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav a { font-size: 30px; letter-spacing: -.03em; }
  .site-nav .nav-cta { font-size: 16px; margin-top: 14px; padding: 12px 20px; }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(1) { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(-4px) rotate(-45deg); }
  .hero { padding: 128px 0 68px; }
  .hero h1 { font-size: clamp(48px, 13.2vw, 70px); }
  .hero-lede { font-size: 16px; }
  .hero-actions { flex-wrap: wrap; }
  .hero-proof { gap: 14px 18px; }
  .hero-visual { min-height: 470px; }
  .product-stage { width: 100%; height: 430px; border-radius: 28px; }
  .hero-product-back { width: 430px; right: -67px; top: 100px; }
  .hero-product-front { width: 220px; left: -9px; bottom: 32px; }
  .product-wordmark { font-size: 39px; }
  .data-tag { display: none; }
  .orbital-one { width: 500px; height: 500px; }
  .orbital-two { width: 540px; height: 270px; }
  .section { padding: 90px 0; }
  .section-intro { grid-template-columns: 1fr; gap: 20px; margin-bottom: 44px; }
  .section h2 { font-size: clamp(39px, 10vw, 55px); }
  .mission-grid { grid-template-columns: 1fr; }
  .problem-card { min-height: 315px; }
  .problem-card h3 { margin-top: 150px; }
  .product-layout { gap: 50px; }
  .product-viewer { height: 450px; }
  .viewer-ring { width: 350px; height: 350px; }
  .platform-grid { grid-template-columns: 1fr; }
  .phone-wrap { min-height: 690px; }
  .phone-orbit { width: 480px; height: 480px; }
  .principles-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-details { max-width: 520px; }
  .footer-layout { grid-template-columns: 1fr; gap: 14px; padding: 26px 0; }
  .footer-brand, .footer-note { justify-self: start; text-align: left; }
}

@media (max-width: 470px) {
  .brand-name { font-size: 11px; }
  .hero-actions .button { width: 100%; }
  .hero-proof { display: grid; grid-template-columns: 1fr; }
  .product-stage { height: 370px; }
  .product-stage::before { inset: 12px; border-radius: 22px; }
  .product-stage-topline { top: 23px; left: 24px; right: 24px; }
  .product-wordmark { left: 24px; top: 50px; }
  .hero-product-back { width: 360px; right: -84px; top: 95px; }
  .hero-product-front { width: 175px; left: -11px; bottom: 38px; }
  .product-caption { left: 24px; right: 24px; font-size: 7px; }
  .view-controls { width: 100%; }
  .view-button { flex: 1; }
  .product-viewer { height: 370px; }
  .viewer-ring { width: 290px; height: 290px; }
  .viewer-image[data-view-image="front"] { max-width: 72%; }
  .phone-wrap { min-height: 640px; }
  .phone-orbit { width: 390px; height: 390px; }
  .phone { width: 300px; min-height: 618px; transform: none; }
  .concept-label { display: none; }
  .principle { min-height: 210px; }
  .principle h3 { margin-top: 45px; }
  .contact { padding: 90px 0; }
}

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