:root {
  --blue: #00acff;
  --blue-light: #76d6ff;
  --blue-pale: #e9f8ff;
  --navy: #010033;
  --navy-soft: #0b0a43;
  --ink: #12142d;
  --muted: #62677d;
  --line: #dce3eb;
  --paper: #f7f9fb;
  --white: #ffffff;
  --radius-sm: 12px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --shadow: 0 24px 70px rgba(1, 0, 51, 0.14);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
section[id] { scroll-margin-top: 88px; }

.container { width: min(calc(100% - 40px), var(--container)); 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; z-index: 1000; left: 16px; top: 12px; padding: 10px 14px;
  background: var(--white); color: var(--navy); border-radius: 8px; transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute; inset: 0 0 auto; z-index: 50;
  transition: background .25s ease, box-shadow .25s ease, transform .25s ease;
}
.site-header.is-sticky {
  position: fixed;
  background: rgba(0, 172, 255, .91);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(1, 0, 51, .12);
}
.nav { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { width: 177px; flex: 0 0 auto; }
.brand img { width: 100%; }
.nav-links { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 700; color: var(--navy); }
.nav-links > a:not(.button) { position: relative; }
.nav-links > a:not(.button)::after {
  content: ""; position: absolute; height: 2px; left: 0; right: 100%; bottom: -8px;
  background: var(--navy); transition: right .2s ease;
}
.nav-links > a:not(.button):hover::after { right: 0; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; transition: .2s ease; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px;
  font-size: 14px; font-weight: 800; letter-spacing: .01em; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-dark { color: var(--white); background: var(--navy); box-shadow: 0 12px 28px rgba(1, 0, 51, .18); }
.button-dark:hover { background: #0c0a4f; box-shadow: 0 16px 34px rgba(1, 0, 51, .23); }
.button-blue { color: var(--navy); background: var(--blue); }
.button-blue:hover { background: #39bdff; }
.button-small { min-height: 42px; padding-inline: 19px; }
.button-full { width: 100%; }
.text-link { display: inline-flex; gap: 9px; align-items: center; font-size: 14px; font-weight: 800; color: var(--navy); }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.text-link-light { color: var(--white); }

.hero {
  position: relative; overflow: hidden; min-height: 790px; padding: 152px 0 94px;
  background: var(--blue); color: var(--navy);
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .17; pointer-events: none;
  background-image: radial-gradient(rgba(1,0,51,.42) .65px, transparent .65px);
  background-size: 17px 17px;
  mask-image: linear-gradient(to bottom, transparent, black 25%, black 70%, transparent);
}
.hero-glow { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(2px); }
.hero-glow-one { width: 460px; height: 460px; right: 6%; top: 8%; border: 1px solid rgba(255,255,255,.3); }
.hero-glow-two { width: 650px; height: 650px; right: -10%; top: -20%; border: 1px solid rgba(1,0,51,.12); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 70px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; font-size: 12px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { width: 22px; height: 2px; background: currentColor; }
.eyebrow-dark { color: var(--navy); }
.eyebrow-blue { color: var(--blue); }
.hero h1, .section-heading h2, .principles-copy h2, .waitlist-copy h2 {
  margin: 0; color: inherit; font-weight: 900; letter-spacing: -.055em; line-height: .98;
}
.hero h1 { max-width: 650px; font-size: clamp(58px, 7.2vw, 96px); }
.hero-lead { max-width: 650px; margin: 28px 0 0; font-size: clamp(18px, 2vw, 21px); line-height: 1.55; color: rgba(1,0,51,.82); }
.hero-actions { display: flex; align-items: center; gap: 27px; margin-top: 35px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 13px 22px; list-style: none; padding: 0; margin: 35px 0 0; font-size: 13px; font-weight: 750; }
.hero-points li { display: flex; align-items: center; gap: 7px; }
.check { display: grid; place-items: center; width: 19px; height: 19px; border-radius: 50%; color: var(--blue); background: var(--navy); font-size: 11px; }
.fine-print { max-width: 570px; margin: 18px 0 0; color: rgba(1,0,51,.62); font-size: 11px; }

.hero-visual { position: relative; min-height: 510px; }
.dashboard-card {
  position: absolute; z-index: 1; right: 0; top: 12px; width: min(94%, 465px); min-height: 310px;
  padding: 26px; border: 1px solid rgba(255,255,255,.34); border-radius: 30px;
  color: var(--white); background: linear-gradient(145deg, rgba(1,0,51,.97), rgba(11,10,67,.91));
  box-shadow: 0 30px 80px rgba(1,0,51,.28), inset 0 1px rgba(255,255,255,.13);
  transform: perspective(900px) rotateY(-5deg) rotateX(2deg);
}
.dashboard-topline { display: flex; justify-content: space-between; font-size: 10px; font-weight: 850; letter-spacing: .14em; color: rgba(255,255,255,.55); }
.status-dot { display: flex; align-items: center; gap: 7px; color: var(--blue-light); }
.status-dot i { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px rgba(0,172,255,.12); }
.dashboard-main { display: flex; align-items: center; justify-content: space-between; padding: 35px 0 26px; }
.dashboard-label { display: block; color: rgba(255,255,255,.55); font-size: 12px; }
.dashboard-main strong { display: block; margin-top: 2px; font-size: 39px; line-height: 1; letter-spacing: -.04em; }
.dashboard-check { display: grid; place-items: center; width: 70px; height: 70px; border-radius: 50%; color: var(--navy); background: var(--blue); font-size: 31px; box-shadow: 0 0 0 12px rgba(0,172,255,.1); }
.dashboard-list { border-top: 1px solid rgba(255,255,255,.1); }
.dashboard-list div { display: flex; justify-content: space-between; gap: 18px; padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 11px; color: rgba(255,255,255,.6); }
.dashboard-list b { color: var(--white); font-weight: 800; }
.device-wrap { position: absolute; z-index: 3; left: 17px; bottom: 8px; width: 260px; height: 315px; transform: rotate(-8deg); }
.device-shadow { position: absolute; width: 205px; height: 46px; left: 28px; bottom: 8px; border-radius: 50%; background: rgba(1,0,51,.25); filter: blur(13px); transform: rotate(6deg); }
.device { position: absolute; left: 31px; top: 0; width: 196px; filter: drop-shadow(0 23px 25px rgba(1,0,51,.35)); }
.device-face { position: relative; height: 210px; padding: 31px 23px; border-radius: 29px 29px 22px 22px; color: var(--white); background: linear-gradient(145deg, #171558, var(--navy) 70%); box-shadow: inset 0 1px rgba(255,255,255,.16), inset -10px -12px 22px rgba(0,0,0,.18); }
.device-face::after { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.06); border-radius: 21px; }
.device-face img { position: relative; z-index: 1; width: 145px; filter: brightness(0) invert(1); opacity: .94; }
.device-face > span { position: relative; z-index: 1; display: block; margin-top: 11px; font-size: 8px; letter-spacing: .16em; color: rgba(255,255,255,.55); }
.device-light { position: absolute; z-index: 1; right: 25px; bottom: 25px; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px rgba(0,172,255,.12), 0 0 18px var(--blue); }
.device-neck { width: 116px; height: 26px; margin: 0 auto; background: #08072f; box-shadow: inset 0 4px 8px rgba(0,0,0,.3); }
.device-plug { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px 9px; width: 150px; height: 70px; margin: 0 auto; padding: 14px 18px; border-radius: 5px 5px 14px 14px; background: #1b1a55; box-shadow: inset 0 -8px 15px rgba(0,0,0,.25); }
.device-plug i { border-radius: 2px; background: linear-gradient(#e6edf3,#8f9aaa); box-shadow: inset 0 -2px rgba(0,0,0,.15); }
.floating-chip { position: absolute; z-index: 4; display: flex; align-items: center; gap: 9px; padding: 10px 14px; border: 1px solid rgba(255,255,255,.55); border-radius: 999px; color: var(--navy); background: rgba(255,255,255,.77); backdrop-filter: blur(10px); box-shadow: 0 12px 30px rgba(1,0,51,.13); font-size: 11px; font-weight: 850; }
.floating-chip span { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: var(--blue); background: var(--navy); font-size: 8px; }
.chip-one { left: 8px; top: 185px; }
.chip-two { right: 0; bottom: 60px; }
.signal-line { position: absolute; z-index: 2; border: 2px dashed rgba(1,0,51,.25); border-left: 0; border-bottom: 0; border-radius: 0 60px 0 0; }
.signal-line-one { width: 145px; height: 115px; left: 168px; bottom: 145px; transform: rotate(-13deg); }
.signal-line-two { width: 100px; height: 70px; left: 220px; bottom: 211px; opacity: .5; }

.origin-strip { position: relative; z-index: 5; background: var(--navy); color: var(--white); }
.origin-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.origin-grid > div { display: flex; flex-direction: column; justify-content: center; min-height: 105px; padding: 20px 30px; border-left: 1px solid rgba(255,255,255,.12); }
.origin-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.origin-grid strong { font-size: 19px; letter-spacing: -.02em; }
.origin-grid span { margin-top: 2px; color: rgba(255,255,255,.55); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }

.section { padding: 120px 0; }
.problem-section { background: var(--paper); }
.section-heading { max-width: 760px; }
.section-heading h2, .principles-copy h2, .waitlist-copy h2 { font-size: clamp(42px, 5.5vw, 68px); }
.section-heading > p:last-child, .principles-copy > p, .waitlist-copy > p { max-width: 690px; margin: 25px 0 0; color: var(--muted); font-size: 18px; }
.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 58px; }
.comparison-card { position: relative; min-height: 415px; overflow: hidden; padding: 34px; border-radius: var(--radius-lg); }
.comparison-before { border: 1px solid var(--line); background: var(--white); }
.comparison-after { color: var(--white); background: var(--navy); box-shadow: var(--shadow); }
.card-tag { display: inline-flex; padding: 7px 11px; border-radius: 999px; font-size: 10px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; background: var(--paper); }
.comparison-after .card-tag { color: var(--navy); background: var(--blue); }
.tap-sequence { display: flex; align-items: center; justify-content: center; gap: 9px; min-height: 125px; margin: 20px -5px 7px; }
.tap-sequence span { padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: var(--paper); font-size: 10px; font-weight: 750; }
.tap-sequence i { color: #aeb5c0; font-style: normal; }
.simple-sequence { display: grid; place-items: center; min-height: 152px; }
.pulse-ring { display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; color: var(--navy); background: var(--blue); box-shadow: 0 0 0 18px rgba(0,172,255,.08), 0 0 0 36px rgba(0,172,255,.04); }
.pulse-ring span { font-size: 37px; }
.comparison-card h3 { margin: 0; font-size: 30px; letter-spacing: -.035em; }
.comparison-card p { max-width: 480px; margin: 11px 0 0; color: var(--muted); }
.comparison-after p { color: rgba(255,255,255,.63); }
.metric { position: absolute; left: 34px; right: 34px; bottom: 28px; display: flex; align-items: baseline; gap: 9px; padding-top: 19px; border-top: 1px solid var(--line); }
.comparison-after .metric { border-color: rgba(255,255,255,.12); }
.metric b { font-size: 25px; }
.metric span { color: var(--muted); font-size: 12px; }
.comparison-after .metric span { color: rgba(255,255,255,.5); }
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 22px; }
.step-card { position: relative; min-height: 265px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); transition: transform .25s ease, box-shadow .25s ease; }
.step-card:hover { transform: translateY(-5px); box-shadow: 0 22px 48px rgba(1,0,51,.08); }
.step-number { position: absolute; right: 25px; top: 22px; color: #b8bec9; font-size: 11px; font-weight: 850; letter-spacing: .1em; }
.step-icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; color: var(--navy); background: var(--blue); font-size: 22px; font-weight: 850; }
.step-card h3 { margin: 28px 0 7px; font-size: 23px; letter-spacing: -.025em; }
.step-card p { margin: 0; color: var(--muted); font-size: 14px; }

.principles-section { overflow: hidden; color: var(--white); background: var(--navy); }
.principles-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 90px; }
.principles-copy > p { color: rgba(255,255,255,.63); }
.principles-copy .text-link { margin-top: 30px; }
.scope-panel { display: grid; grid-template-columns: 1fr 1px 1fr; gap: 30px; padding: 38px; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-lg); background: rgba(255,255,255,.035); box-shadow: inset 0 1px rgba(255,255,255,.05); }
.scope-divider { background: rgba(255,255,255,.12); }
.scope-kicker { color: var(--blue); font-size: 10px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.scope-column h3 { margin: 9px 0 25px; font-size: 25px; line-height: 1.2; letter-spacing: -.03em; }
.scope-column ul { list-style: none; padding: 0; margin: 0; }
.scope-column li { display: flex; gap: 11px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.09); color: rgba(255,255,255,.65); font-size: 13px; }
.scope-column li i { color: var(--blue); font-style: normal; font-weight: 900; }
.scope-out li i { color: rgba(255,255,255,.38); }

.compatibility-section { background: var(--white); }
.compatibility-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 75px; align-items: center; }
.compatibility-note { margin-top: 28px; padding: 18px 20px; border-left: 3px solid var(--blue); border-radius: 0 12px 12px 0; color: var(--muted); background: var(--blue-pale); font-size: 12px; }
.compatibility-note span { display: block; margin-bottom: 2px; color: var(--navy); font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.brand-map { display: grid; gap: 17px; }
.brand-card { padding: 26px; border-radius: var(--radius-md); }
.brand-primary { border: 1px solid var(--line); background: var(--paper); }
.brand-future { color: var(--white); background: var(--navy); }
.brand-status { display: block; margin-bottom: 18px; color: var(--muted); font-size: 10px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.brand-future .brand-status { color: var(--blue); }
.brand-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.brand-grid div { display: grid; place-items: center; min-height: 66px; border: 1px solid var(--line); border-radius: 13px; color: var(--navy); background: var(--white); font-size: 16px; font-weight: 850; }
.brand-grid div:last-child { color: var(--muted); border-style: dashed; background: transparent; font-size: 12px; }
.future-line { display: flex; align-items: center; gap: 14px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.72); font-size: 13px; }
.future-line i { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 5px rgba(0,172,255,.1); }

.waitlist-section { position: relative; overflow: hidden; padding: 110px 0; color: var(--white); background: linear-gradient(135deg, var(--navy), #0b0951); }
.waitlist-section::before { content: ""; position: absolute; width: 630px; height: 630px; right: -180px; top: -250px; border: 1px solid rgba(0,172,255,.18); border-radius: 50%; box-shadow: 0 0 0 100px rgba(0,172,255,.035), 0 0 0 210px rgba(0,172,255,.018); }
.waitlist-grid { position: relative; display: grid; grid-template-columns: 1fr .82fr; align-items: center; gap: 90px; }
.waitlist-copy > p { color: rgba(255,255,255,.63); }
.waitlist-benefits { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 30px; color: rgba(255,255,255,.78); font-size: 12px; font-weight: 750; }
.waitlist-benefits span { display: flex; gap: 7px; align-items: center; }
.waitlist-benefits i { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; color: var(--navy); background: var(--blue); font-style: normal; font-size: 10px; }
.waitlist-form { padding: 32px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-md); color: var(--navy); background: var(--white); box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.form-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 15px; margin-bottom: 22px; }
.form-heading span { font-size: 22px; font-weight: 900; letter-spacing: -.03em; }
.form-heading small { color: var(--muted); font-size: 10px; }
.waitlist-form > label:not(.consent-row) { display: block; margin: 15px 0 6px; font-size: 11px; font-weight: 850; }
.waitlist-form label span { color: var(--muted); font-weight: 500; }
.waitlist-form input[type="email"], .waitlist-form input[type="text"] { width: 100%; height: 51px; padding: 0 15px; border: 1px solid var(--line); border-radius: 11px; outline: 0; color: var(--navy); background: var(--paper); transition: border .2s ease, box-shadow .2s ease; }
.waitlist-form input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0,172,255,.13); }
.consent-row { display: grid; grid-template-columns: 18px 1fr; gap: 10px; align-items: start; margin: 18px 0; cursor: pointer; font-size: 11px; line-height: 1.45; }
.consent-row input { width: 16px; height: 16px; margin: 1px 0 0; accent-color: var(--blue); }
.form-note { margin: 12px 0 0; color: var(--muted); font-size: 9px; text-align: center; }
.hidden-field { position: absolute; left: -9999px; }

.faq-section { background: var(--paper); }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; align-items: start; }
.faq-heading { position: sticky; top: 120px; }
.faq-heading > p:last-child { font-size: 15px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; list-style: none; padding: 24px 52px 24px 0; cursor: pointer; color: var(--navy); font-size: 18px; font-weight: 850; letter-spacing: -.015em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span::before, .faq-list summary span::after { content: ""; position: absolute; right: 5px; top: 50%; width: 16px; height: 2px; background: var(--navy); transition: transform .2s ease; }
.faq-list summary span::after { transform: rotate(90deg); }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { max-width: 660px; margin: -7px 0 24px; padding-right: 40px; color: var(--muted); font-size: 14px; }

.site-footer { padding: 65px 0 30px; color: var(--white); background: var(--navy); }
.footer-top { display: flex; justify-content: space-between; gap: 60px; padding-bottom: 45px; }
.footer-brand img { width: 190px; filter: brightness(0) invert(1); }
.footer-brand p { margin: 14px 0 0; color: rgba(255,255,255,.5); font-size: 12px; }
.footer-links { display: flex; gap: 90px; }
.footer-links div { display: flex; flex-direction: column; gap: 8px; }
.footer-links span { margin-bottom: 4px; color: var(--blue); font-size: 10px; font-weight: 850; text-transform: uppercase; letter-spacing: .12em; }
.footer-links a { color: rgba(255,255,255,.72); font-size: 12px; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: grid; grid-template-columns: auto 1fr; gap: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.38); font-size: 9px; }
.footer-bottom p { margin: 0; }
.legal-note { max-width: 780px; justify-self: end; text-align: right; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.success-page { min-height: 100vh; display: grid; place-items: center; padding: 30px; color: var(--navy); background: var(--blue); }
.success-card { width: min(100%, 560px); padding: 48px; border-radius: var(--radius-lg); text-align: center; background: var(--white); box-shadow: var(--shadow); }
.success-card img { width: 220px; margin: 0 auto 35px; }
.success-icon { display: grid; place-items: center; width: 75px; height: 75px; margin: 0 auto 24px; border-radius: 50%; color: var(--navy); background: var(--blue); font-size: 33px; font-weight: 900; }
.success-card h1 { margin: 0; font-size: 42px; letter-spacing: -.05em; line-height: 1; }
.success-card p { margin: 18px auto 28px; color: var(--muted); }

@media (max-width: 1020px) {
  .hero-grid { gap: 30px; }
  .hero-visual { min-height: 480px; transform: scale(.9); transform-origin: center right; }
  .principles-grid, .compatibility-layout, .waitlist-grid { gap: 50px; }
  .scope-panel { gap: 22px; padding: 28px; }
}

@media (max-width: 860px) {
  .site-header { position: absolute; }
  .nav { height: 72px; }
  .brand { width: 155px; }
  .menu-toggle { display: block; z-index: 2; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-links {
    position: fixed; inset: 0 0 auto; display: flex; flex-direction: column; align-items: stretch; gap: 6px;
    padding: 93px 24px 26px; background: var(--blue); box-shadow: 0 20px 45px rgba(1,0,51,.16);
    transform: translateY(-110%); transition: transform .25s ease;
  }
  .nav-links.is-open { transform: translateY(0); }
  .nav-links > a:not(.button) { padding: 12px 2px; font-size: 16px; }
  .hero { min-height: 0; padding: 125px 0 80px; }
  .hero-grid, .principles-grid, .compatibility-layout, .waitlist-grid, .faq-layout { grid-template-columns: 1fr; }
  .hero-visual { min-height: 510px; margin-top: 20px; transform: none; }
  .dashboard-card { right: 4%; }
  .origin-grid { grid-template-columns: repeat(2,1fr); }
  .origin-grid > div:nth-child(3) { border-top: 1px solid rgba(255,255,255,.12); }
  .origin-grid > div:nth-child(4) { border-top: 1px solid rgba(255,255,255,.12); border-right: 1px solid rgba(255,255,255,.12); }
  .section { padding: 90px 0; }
  .principles-grid { gap: 45px; }
  .compatibility-layout { gap: 45px; }
  .waitlist-grid { gap: 45px; }
  .faq-layout { gap: 45px; }
  .faq-heading { position: static; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .hero h1 { font-size: clamp(50px, 15vw, 72px); }
  .hero-lead { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-points { flex-direction: column; gap: 10px; }
  .hero-visual { min-height: 465px; margin-inline: -8px; }
  .dashboard-card { top: 0; right: 0; width: 92%; min-height: 280px; padding: 21px; transform: none; }
  .dashboard-main { padding: 28px 0 20px; }
  .dashboard-main strong { font-size: 31px; }
  .dashboard-check { width: 57px; height: 57px; font-size: 25px; }
  .device-wrap { left: -4px; bottom: -6px; transform: rotate(-8deg) scale(.82); transform-origin: bottom left; }
  .chip-one { left: 0; top: 170px; }
  .chip-two { right: 0; bottom: 40px; }
  .origin-grid > div { min-height: 88px; padding: 16px; }
  .origin-grid strong { font-size: 16px; }
  .origin-grid span { font-size: 8px; }
  .comparison-grid, .steps-grid { grid-template-columns: 1fr; }
  .comparison-card { min-height: 395px; padding: 27px; }
  .metric { left: 27px; right: 27px; }
  .tap-sequence { flex-wrap: wrap; }
  .section-heading h2, .principles-copy h2, .waitlist-copy h2 { font-size: 42px; }
  .section-heading > p:last-child, .principles-copy > p, .waitlist-copy > p { font-size: 16px; }
  .scope-panel { grid-template-columns: 1fr; }
  .scope-divider { width: 100%; height: 1px; }
  .brand-grid { grid-template-columns: 1fr; }
  .waitlist-form { padding: 23px; }
  .form-heading { flex-direction: column; gap: 2px; }
  .footer-top { flex-direction: column; }
  .footer-links { gap: 55px; }
  .footer-bottom { grid-template-columns: 1fr; gap: 14px; }
  .legal-note { justify-self: start; text-align: left; }
  .success-card { padding: 35px 24px; }
}

@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; }
}