:root {
    --urd-blue: #ccecff;
    --urd-blue-strong: #8fd7f5;
    --urd-ink: #101615;
    --urd-panel: #18201f;
    --urd-text: #f8faf9;
    --urd-muted: #bac4c1;
}

.urd-page { background: var(--urd-ink); color: var(--urd-text); overflow: hidden; }
.urd-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.urd-hero { min-height: 100vh; padding: 150px 0 80px; display: flex; align-items: center; background: radial-gradient(circle at 80% 20%, rgba(143,215,245,.16), transparent 30%), linear-gradient(135deg,#101615,#151c1b); }
.urd-hero-grid,.urd-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px,7vw,100px); align-items: center; }
.urd-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; font-size: 2.1rem; font-weight: 700; letter-spacing: .16em; }
.urd-brand img,.urd-final img { width: 76px; height: 76px; border-radius: 50%; }
.urd-kicker { margin: 0 0 18px; color: var(--urd-blue-strong); font-size: .82rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.urd-hero h1 { margin: 0; color: #fff; font-size: clamp(3rem,6vw,5.9rem); line-height: .98; letter-spacing: -.055em; }
.urd-hero h1 span,.urd-page h2,.urd-policy-page h1 { color: var(--urd-blue); }
.urd-lead,.urd-intro { max-width: 750px; margin: 28px 0 0; color: var(--urd-muted); font-size: clamp(1.05rem,1.6vw,1.28rem); line-height: 1.75; }
.urd-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.urd-button { min-height: 52px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--urd-blue); border-radius: 999px; font-weight: 700; text-decoration: none; transition: transform .2s,background .2s; }
.urd-button:hover,.urd-button:focus-visible { transform: translateY(-2px); }
.urd-button.primary { background: var(--urd-blue); color: var(--urd-ink); }
.urd-button.primary:hover { background: #fff; color: var(--urd-ink); }
.urd-button.secondary { color: var(--urd-blue); }

.urd-phone-stage { min-height: 650px; position: relative; }
.urd-phone { position: absolute; width: min(330px,78vw); aspect-ratio: 9/18.6; overflow: hidden; border: 8px solid #343b3a; border-radius: 42px; background: #f4f6f1; box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.urd-phone.back { top: 55px; left: 0; transform: rotate(-7deg) scale(.9); opacity: .78; }
.urd-phone.front { top: 0; right: 0; z-index: 2; transform: rotate(3deg); }
.urd-phone-status { height: 38px; padding: 10px 22px 0; display: flex; justify-content: space-between; color: #101615; font-size: .72rem; font-weight: 700; }
.urd-phone-screen { height: calc(100% - 38px); padding: 24px 20px; }
.urd-phone-screen.light { color: #101615; background: #f4f6f1; }
.urd-phone-screen.dark { height: calc(100% - 48px); margin: 0 10px 10px; border-radius: 22px; color: #fff; background: #0e1916; }
.urd-phone-screen h2 { margin: 5px 0 22px; color: inherit; font-size: 1.55rem; }
.urd-phone-screen small { color: #527067; font-weight: 700; }
.dark > small { color: var(--urd-blue); }
.urd-topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.urd-topic { min-height: 110px; padding: 14px; display: flex; flex-direction: column; gap: 12px; border: 1px solid #d9dfd6; border-radius: 14px; background: #fff; font-size: .82rem; }
.urd-topic i { color: #278163; font-size: 1.3rem; }
.urd-topic.active { background: #aef0cf; }
.urd-prompt { min-height: 110px; padding: 20px; display: flex; align-items: center; gap: 14px; border-radius: 16px; background: #fff; color: #53605d; }
.urd-context { margin: 18px 0; padding: 12px; border: 1px solid #8c9793; border-radius: 999px; font-size: .78rem; text-align: center; }
.urd-send { padding: 13px; border-radius: 999px; background: #247b5d; text-align: center; font-weight: 700; }
.urd-screen-card { margin-top: 18px; padding: 15px; display: flex; align-items: center; gap: 12px; border-radius: 14px; background: #fff; color: #101615; }
.urd-screen-card > i { color: #247b5d; font-size: 1.3rem; }
.urd-screen-card strong,.urd-screen-card small { display: block; }
.urd-screen-card small { margin-top: 3px; color: #687470; font-size: .68rem; }

.urd-section { padding: clamp(90px,12vw,160px) 0; border-top: 1px solid rgba(204,236,255,.09); }
.urd-section h2,.urd-final h2 { max-width: 900px; margin: 0; font-size: clamp(2.4rem,5vw,4.6rem); line-height: 1.08; letter-spacing: -.04em; }
.urd-feature-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 58px; }
.urd-feature { min-height: 260px; padding: 30px; border: 1px solid rgba(204,236,255,.16); border-radius: 20px; background: linear-gradient(145deg,var(--urd-panel),#121918); }
.urd-feature > i { color: var(--urd-blue-strong); font-size: 2rem; }
.urd-feature h3 { margin: 38px 0 12px; color: #fff; font-size: 1.25rem; }
.urd-feature p { margin: 0; color: var(--urd-muted); line-height: 1.65; }
.urd-alt { background: #0c1110; }
.urd-note { margin: 28px 0 0; padding-left: 18px; border-left: 3px solid var(--urd-blue-strong); color: #eef4f2; }

.urd-library { padding: 20px; border: 1px solid rgba(204,236,255,.18); border-radius: 24px; background: #f3f5f0; color: #101615; box-shadow: 0 30px 70px rgba(0,0,0,.25); }
.urd-library-head { padding: 12px 10px 20px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; font-size: 1.2rem; font-weight: 700; }
.urd-library-head i { color: #287f65; }
.urd-library-head b { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: #d9eeea; color: #287f65; }
.urd-library-row { margin-top: 10px; padding: 17px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; border: 1px solid #d9dfd6; border-radius: 15px; background: #fff; }
.urd-library-row > i:first-child { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: #e5f1ee; color: #287f65; font-size: 1.15rem; }
.urd-library-row strong,.urd-library-row small { display: block; }
.urd-library-row small { margin-top: 4px; color: #6a7672; }

.urd-local-visual { min-height: 480px; position: relative; display: grid; place-items: center; }
.urd-orbit { position: absolute; border: 1px solid rgba(143,215,245,.25); border-radius: 50%; }
.urd-orbit.one { width: 330px; height: 330px; }.urd-orbit.two { width: 450px; height: 450px; }
.urd-device { width: 160px; height: 160px; z-index: 2; display: grid; place-items: center; align-content: center; gap: 8px; border-radius: 50%; background: var(--urd-blue); color: var(--urd-ink); font-weight: 700; }
.urd-device i { font-size: 2.4rem; }
.urd-chip { position: absolute; z-index: 3; padding: 9px 16px; border: 1px solid rgba(204,236,255,.25); border-radius: 999px; background: #202a28; color: var(--urd-blue); font-size: .86rem; font-weight: 700; }
.urd-chip.sleep { top: 50px; left: 36%; }.urd-chip.labs { right: 5%; bottom: 26%; }.urd-chip.pulse { left: 3%; bottom: 27%; }

.urd-flow-section .urd-kicker,.urd-flow-section h2 { margin-left: auto; margin-right: auto; text-align: center; }
.urd-intro.centered { margin-left: auto; margin-right: auto; text-align: center; }
.urd-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; margin-top: 65px; }
.urd-flow-step { min-height: 235px; padding: 28px 22px; position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; border: 1px solid rgba(204,236,255,.16); border-radius: 20px; background: var(--urd-panel); }
.urd-flow-step.featured { border-color: var(--urd-blue-strong); background: linear-gradient(145deg,#213132,#14201f); }
.urd-flow-step b { position: absolute; top: 14px; left: 16px; color: var(--urd-blue-strong); font-size: .78rem; }
.urd-flow-step > i { margin-bottom: 20px; color: var(--urd-blue); font-size: 2rem; }
.urd-flow-step small { margin-top: 8px; color: var(--urd-muted); line-height: 1.5; }
.urd-arrow { color: var(--urd-blue-strong); }
.urd-flow-copy { max-width: 860px; margin: 48px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; color: var(--urd-muted); line-height: 1.75; }

.urd-policy-card { padding: clamp(35px,6vw,75px); border: 1px solid rgba(204,236,255,.18); border-radius: 28px; background: linear-gradient(145deg,#1a2423,#121918); }
.urd-policy-columns { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; margin-top: 50px; color: var(--urd-muted); line-height: 1.75; }
.urd-policy-columns p { margin: 0; }
.urd-policy-links { margin-top: 38px; padding-top: 28px; display: flex; flex-wrap: wrap; gap: 26px; border-top: 1px solid rgba(204,236,255,.12); }
.urd-policy-links a { color: var(--urd-blue); font-weight: 700; }
.urd-final { padding: 120px 0; text-align: center; background: radial-gradient(circle at 50% 0,rgba(143,215,245,.17),transparent 40%),#0c1110; }
.urd-final h2 { margin: 24px auto 0; }.urd-final p { margin: 18px 0 30px; color: var(--urd-muted); font-size: 1.2rem; }
.urd-policy-page { min-height: 100vh; padding-top: 70px; }
.urd-policy-page h1 { margin: 0; font-size: clamp(2.5rem,5vw,4.6rem); line-height: 1.08; letter-spacing: -.04em; }
.urd-policy-body { max-width: 820px; margin-top: 42px; color: var(--urd-muted); font-size: 1.1rem; line-height: 1.8; }
.urd-policy-body p + p { margin-top: 22px; }

@media (max-width: 1000px) {
    .urd-feature-grid { grid-template-columns: repeat(2,1fr); }
    .urd-flow { grid-template-columns: repeat(2,1fr); }.urd-arrow { display: none; }
}

@media (max-width: 820px) {
    .urd-hero-grid,.urd-split { grid-template-columns: 1fr; }
    .urd-hero { padding-top: 130px; }.urd-phone-stage { width: min(540px,100%); margin: 0 auto; }
    .urd-policy-columns,.urd-flow-copy { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .urd-shell { width: min(100% - 28px,1180px); }.urd-hero h1 { font-size: 3rem; }
    .urd-actions,.urd-actions .urd-button { width: 100%; }.urd-phone-stage { min-height: 590px; }
    .urd-phone { width: 270px; }.urd-phone.back { left: -52px; }.urd-phone.front { right: -28px; }
    .urd-feature-grid,.urd-flow { grid-template-columns: 1fr; }.urd-feature { min-height: 220px; }
    .urd-local-visual { min-height: 360px; transform: scale(.78); margin: -35px 0; }
}

@media (prefers-reduced-motion: reduce) { .urd-button { transition: none; } }