:root {
    --ink: #f3f7f5;
    --muted: #a5b2ac;
    --dim: #718079;
    --mint: #5ce6a5;
    --mint-bright: #79f2b9;
    --mint-dark: #173d2c;
    --red: #ff836f;
    --night: #080c0e;
    --night-2: #0c1215;
    --panel: #11191d;
    --panel-2: #162126;
    --line: rgba(169, 196, 183, .16);
    --line-strong: rgba(169, 196, 183, .31);
    --shadow: 0 30px 100px rgba(0, 0, 0, .45);
    --shell: 1180px;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 94px;
    background: var(--night);
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 76% 8%, rgba(92, 230, 165, .07), transparent 27rem),
        var(--night);
    font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body::selection { color: #07110c; background: var(--mint); }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.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: 12px;
    left: 12px;
    z-index: 1000;
    padding: 10px 16px;
    color: #07110c;
    background: var(--mint);
    border-radius: 8px;
    transform: translateY(-150%);
    transition: transform .2s ease;
}

.skip-link:focus { transform: translateY(0); }

.shell {
    width: min(calc(100% - 48px), var(--shell));
    margin-inline: auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}

.site-header.is-scrolled {
    background: rgba(8, 12, 14, .82);
    border-color: var(--line);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-weight: 800;
    letter-spacing: -.035em;
}

.brand img { border-radius: 10px; }
.brand-name { font-size: 1.06rem; }

.site-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    color: var(--muted);
    font-size: .9rem;
    font-weight: 600;
}

.site-nav a { transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--ink); }

.site-nav .nav-cta {
    padding: 10px 16px;
    color: #09120d;
    background: var(--mint);
    border-radius: 7px;
}

.site-nav .nav-cta:hover, .site-nav .nav-cta:focus-visible { color: #09120d; background: var(--mint-bright); }
.menu-toggle { display: none; }

.hero {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    padding: 156px 0 54px;
    isolation: isolate;
}

.hero::before {
    content: "";
    position: absolute;
    z-index: -2;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8,12,14,.98) 0%, rgba(8,12,14,.85) 43%, rgba(8,12,14,.2) 100%),
        linear-gradient(180deg, transparent 66%, var(--night) 98%);
}

.hero-grid {
    position: absolute;
    z-index: -3;
    inset: 0;
    opacity: .28;
    background-image:
        linear-gradient(rgba(160, 190, 176, .11) 1px, transparent 1px),
        linear-gradient(90deg, rgba(160, 190, 176, .11) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.hero-orbit {
    position: absolute;
    z-index: -2;
    border: 1px solid rgba(92, 230, 165, .14);
    border-radius: 50%;
    pointer-events: none;
}

.hero-orbit-one { width: 720px; height: 720px; right: -220px; top: -190px; }
.hero-orbit-two { width: 520px; height: 520px; right: -120px; top: -90px; }

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, .88fr) minmax(500px, 1.12fr);
    align-items: center;
    gap: clamp(50px, 7vw, 105px);
}

.eyebrow, .kicker {
    margin: 0 0 20px;
    color: var(--mint);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.eyebrow span {
    width: 7px;
    height: 7px;
    background: var(--mint);
    border-radius: 50%;
    box-shadow: 0 0 18px rgba(92, 230, 165, .9);
}

h1, h2, h3, p { margin-top: 0; }

h1 {
    max-width: 740px;
    margin-bottom: 26px;
    font-size: clamp(3.7rem, 7.2vw, 7.25rem);
    line-height: .88;
    letter-spacing: -.075em;
    font-weight: 800;
}

h1 em, h2 em {
    color: var(--mint);
    font-style: normal;
    font-weight: 500;
}

.hero-lead {
    max-width: 610px;
    margin-bottom: 34px;
    color: var(--muted);
    font-size: clamp(1.04rem, 1.5vw, 1.2rem);
    line-height: 1.75;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    padding: 0 22px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    font-size: .9rem;
    font-weight: 750;
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: #07120c; background: var(--mint); border-color: var(--mint); }
.button-primary:hover { background: var(--mint-bright); border-color: var(--mint-bright); }
.button-quiet { color: var(--ink); background: rgba(255,255,255,.025); }
.button-quiet:hover { border-color: var(--mint); }

.trust-line {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 22px;
    margin: 34px 0 0;
    padding: 0;
    color: var(--dim);
    list-style: none;
    font-size: .8rem;
    font-weight: 650;
}

.trust-line li { display: flex; align-items: center; gap: 8px; }
.trust-line span { width: 4px; height: 4px; background: var(--mint); border-radius: 50%; }

.product-stage { position: relative; padding: 44px 0 26px; }

.product-stage::before {
    content: "";
    position: absolute;
    inset: 0 8% 0;
    z-index: -1;
    background: rgba(92, 230, 165, .19);
    filter: blur(100px);
    border-radius: 50%;
}

.app-window {
    position: relative;
    overflow: hidden;
    background: rgba(12, 17, 20, .96);
    border: 1px solid rgba(180, 210, 196, .3);
    border-radius: 17px;
    box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,.025) inset;
    transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
}

.app-bar {
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 17px;
    background: rgba(23, 29, 33, .96);
    border-bottom: 1px solid rgba(255,255,255,.04);
}

.app-brand { display: flex; align-items: center; gap: 9px; }
.app-brand img { border-radius: 6px; }
.app-brand b, .app-brand small { display: block; }
.app-brand b { font-size: .68rem; letter-spacing: .045em; }
.app-brand small { margin-top: 1px; color: var(--dim); font-size: .45rem; letter-spacing: .06em; }
.window-actions { display: flex; gap: 17px; color: var(--muted); font-size: 1rem; }

.map-viewport {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1.22;
    margin: 11px 11px 0;
    background: #222d3b;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 10px;
}

.map-viewport::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at center, transparent 32%, rgba(7,12,14,.48) 100%);
}

.map-viewport > img { width: 100%; height: 100%; object-fit: cover; opacity: .9; filter: saturate(.8) brightness(.72) contrast(1.14); }

.scan-line {
    position: absolute;
    z-index: 2;
    inset: 0;
    opacity: .18;
    background: repeating-linear-gradient(to bottom, transparent 0 5px, rgba(255,255,255,.08) 6px);
    pointer-events: none;
}

.map-marker {
    position: absolute;
    z-index: 5;
    width: 12px;
    height: 12px;
    background: var(--mint);
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: 0 0 17px rgba(92,230,165,.95);
}

.marker-player { left: 32%; top: 68%; }
.marker-friend { left: 72%; top: 29%; background: #70a7ff; box-shadow: 0 0 17px rgba(112,167,255,.95); }
.marker-ring { position: absolute; inset: -9px; border: 1px solid currentColor; border-radius: 50%; animation: pulse 2.2s ease-out infinite; }
.map-marker b { position: absolute; top: 16px; left: 50%; padding: 2px 6px; color: var(--ink); background: rgba(8,12,14,.83); border-radius: 4px; font-size: .55rem; white-space: nowrap; transform: translateX(-50%); }

.shared-pin { position: absolute; z-index: 6; left: 51%; top: 47%; width: 20px; height: 26px; transform: translate(-50%,-100%); }
.shared-pin::before { content: ""; position: absolute; inset: 0 0 6px; background: var(--red); border: 2px solid white; border-radius: 50% 50% 50% 4px; transform: rotate(-45deg); box-shadow: 0 5px 18px rgba(255,131,111,.55); }
.shared-pin span { position: absolute; z-index: 1; width: 5px; height: 5px; left: 7px; top: 6px; background: #fff; border-radius: 50%; }

.trail { position: absolute; z-index: 3; inset: 0; width: 100%; height: 100%; }
.trail path { fill: none; stroke: var(--mint); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 4 7; opacity: .7; }

.map-controls { position: absolute; z-index: 8; right: 10px; top: 10px; display: grid; gap: 4px; padding: 4px; background: rgba(12,17,20,.85); border: 1px solid var(--line-strong); border-radius: 7px; text-align: center; }
.map-controls span { width: 25px; height: 25px; display: grid; place-items: center; background: var(--panel-2); border-radius: 4px; }
.map-controls small { color: var(--muted); font-size: .48rem; }

.position-strip { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; margin: 9px 11px 11px; padding: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.position-icon { width: 34px; height: 34px; display: grid; place-items: center; color: var(--mint); background: rgba(92,230,165,.09); border-radius: 50%; }
.position-strip small, .position-strip strong { display: block; }
.position-strip small { color: var(--dim); font-size: .48rem; font-weight: 800; letter-spacing: .08em; }
.position-strip strong { color: var(--mint); font-size: .68rem; }
.signal { display: flex; align-items: center; gap: 5px; color: var(--mint); font-size: .5rem; font-weight: 800; letter-spacing: .06em; }
.signal i { width: 6px; height: 6px; background: var(--mint); border-radius: 50%; box-shadow: 0 0 8px var(--mint); }

.stage-label { position: absolute; z-index: 10; padding: 7px 10px; color: var(--muted); background: rgba(10,15,17,.92); border: 1px solid var(--line-strong); border-radius: 6px; box-shadow: 0 10px 35px rgba(0,0,0,.4); font-size: .58rem; font-weight: 800; letter-spacing: .09em; }
.stage-label-live { right: -20px; top: 25px; display: flex; align-items: center; gap: 7px; }
.stage-label-live span { width: 6px; height: 6px; background: var(--mint); border-radius: 50%; box-shadow: 0 0 9px var(--mint); }
.stage-label-private { left: -28px; bottom: 8px; }

.signal-strip {
    margin-top: 72px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.signal-strip div { min-height: 76px; display: flex; align-items: center; gap: 14px; padding: 0 22px; border-right: 1px solid var(--line); }
.signal-strip div:last-child { border-right: 0; }
.signal-strip strong { color: var(--mint); font-family: Consolas, monospace; font-size: .7rem; }
.signal-strip span { color: var(--muted); font-size: .82rem; font-weight: 650; }

.section { padding: clamp(88px, 10vw, 150px) 0; }
.section-heading { display: grid; grid-template-columns: 1.5fr .72fr; align-items: end; gap: 80px; margin-bottom: 58px; }
.section-heading h2, .workflow h2, .privacy h2, .faq h2, .closing h2 { margin-bottom: 0; font-size: clamp(2.5rem, 5.5vw, 5rem); line-height: 1; letter-spacing: -.06em; }
.section-heading > p { margin-bottom: 5px; color: var(--muted); line-height: 1.8; }

.feature-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.feature-card { position: relative; min-height: 385px; overflow: hidden; padding: 34px; background: linear-gradient(145deg, rgba(22,33,38,.9), rgba(13,20,23,.9)); border: 1px solid var(--line); border-radius: 16px; transition: transform .25s ease, border-color .25s ease; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(92,230,165,.35); }
.feature-card-wide { min-height: 445px; }
.feature-card-accent { background: linear-gradient(145deg, rgba(32,40,39,.95), rgba(16,24,25,.95)); }
.feature-number { color: var(--dim); font: 700 .65rem/1 Consolas, monospace; letter-spacing: .09em; }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; margin: 52px 0 20px; color: var(--mint); background: rgba(92,230,165,.08); border: 1px solid rgba(92,230,165,.2); border-radius: 12px; font-size: 1.25rem; }
.feature-card h3 { margin-bottom: 13px; font-size: clamp(1.35rem, 2vw, 1.8rem); letter-spacing: -.035em; }
.feature-card p { max-width: 520px; color: var(--muted); line-height: 1.75; }

.coordinate-demo { position: absolute; right: 28px; bottom: 26px; left: 28px; display: grid; grid-template-columns: auto 1fr 1px auto 1fr; align-items: center; gap: 12px; padding: 17px; background: rgba(6,11,13,.72); border: 1px solid var(--line); border-radius: 9px; }
.coordinate-demo span { color: var(--dim); font: 700 .7rem Consolas, monospace; }
.coordinate-demo b { color: var(--mint); font: 700 clamp(.86rem, 1.6vw, 1.1rem) Consolas, monospace; }
.coordinate-demo i { height: 28px; background: var(--line); }

.trail-demo { position: absolute; right: 30px; bottom: 38px; left: 30px; height: 70px; }
.trail-demo::before { content: ""; position: absolute; left: 4%; right: 4%; top: 34px; height: 1px; background: linear-gradient(90deg, transparent, var(--mint), transparent); transform: rotate(-5deg); }
.trail-demo span { position: absolute; width: 8px; height: 8px; background: var(--mint); border: 2px solid var(--panel); border-radius: 50%; box-shadow: 0 0 10px rgba(92,230,165,.6); }
.trail-demo span:nth-child(1) { left: 7%; top: 45px; }.trail-demo span:nth-child(2) { left: 28%; top: 34px; }.trail-demo span:nth-child(3) { left: 50%; top: 37px; }.trail-demo span:nth-child(4) { left: 70%; top: 20px; }.trail-demo span:nth-child(5) { right: 5%; top: 14px; }

.duo-demo { position: absolute; right: 32px; bottom: 31px; left: 32px; display: flex; align-items: center; justify-content: center; gap: 15px; }
.duo-demo div { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .7rem; font-weight: 700; }
.duo-demo img { width: 32px; height: 32px; border-radius: 8px; }
.duo-demo i { flex: 1; height: 1px; max-width: 130px; background: repeating-linear-gradient(90deg, var(--mint) 0 5px, transparent 5px 10px); }

.pin-demo { position: absolute; right: 32px; bottom: 34px; left: 32px; display: flex; align-items: center; gap: 14px; padding: 14px; background: rgba(255,131,111,.06); border: 1px solid rgba(255,131,111,.2); border-radius: 9px; }
.pin-demo span { width: 14px; height: 14px; background: var(--red); border: 2px solid #fff; border-radius: 50% 50% 50% 3px; transform: rotate(-45deg); }
.pin-demo i { color: #ffc1b6; font: normal 700 .65rem Consolas, monospace; letter-spacing: .07em; }

.workflow { background: #0b1114; border-block: 1px solid var(--line); }
.workflow-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(60px, 10vw, 140px); }
.workflow-copy { position: sticky; top: 130px; align-self: start; }
.workflow-copy > p:last-child { max-width: 510px; margin-top: 28px; color: var(--muted); line-height: 1.8; }
.steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 55px 1fr auto; align-items: start; gap: 24px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.step-index { color: var(--mint); font: 700 .75rem Consolas, monospace; }
.steps h3 { margin: -5px 0 8px; font-size: 1.35rem; }
.steps p { margin: 0; color: var(--muted); }
.steps li > span { color: var(--mint); font-size: 1.15rem; }

.privacy { overflow: hidden; }
.privacy-panel { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding: clamp(40px, 7vw, 86px); background: linear-gradient(135deg, rgba(20,31,34,.98), rgba(10,16,18,.98)); border: 1px solid rgba(92,230,165,.2); border-radius: 22px; box-shadow: 0 40px 120px rgba(0,0,0,.25); }
.privacy-panel::before { content: ""; position: absolute; width: 380px; height: 380px; left: -160px; bottom: -240px; background: rgba(92,230,165,.15); filter: blur(70px); border-radius: 50%; }
.privacy-copy { position: relative; z-index: 1; }
.privacy-copy p:last-child { max-width: 530px; margin-top: 28px; color: var(--muted); line-height: 1.8; }
.privacy-list { align-self: center; border-top: 1px solid var(--line); }
.privacy-list > div { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 18px; min-height: 66px; border-bottom: 1px solid var(--line); }
.privacy-list span { color: var(--mint); font: 700 .65rem Consolas, monospace; text-transform: uppercase; }
.privacy-list strong { font-size: .92rem; }
.privacy-list i { width: 24px; height: 24px; display: grid; place-items: center; color: #07120c; background: var(--mint); border-radius: 50%; font-style: normal; font-weight: 900; }
.privacy-list .privacy-blocked span { color: var(--red); }
.privacy-list .privacy-blocked i { color: var(--red); background: rgba(255,131,111,.08); border: 1px solid rgba(255,131,111,.28); }

.detail-band { padding-top: 0; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.detail-card { min-height: 300px; padding: 40px 34px; border-right: 1px solid var(--line); }
.detail-card:last-child { border-right: 0; }
.detail-mark { width: 34px; height: 34px; display: grid; place-items: center; margin-bottom: 60px; color: var(--mint); border: 1px solid rgba(92,230,165,.35); border-radius: 50%; font: 700 .7rem Consolas, monospace; }
.detail-card h3 { font-size: 1.25rem; }
.detail-card p { color: var(--muted); line-height: 1.8; }

.faq { background: #0b1114; border-top: 1px solid var(--line); }
.faq-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(60px, 10vw, 140px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 76px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; cursor: pointer; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { width: 28px; height: 28px; display: grid; place-items: center; color: var(--mint); border: 1px solid var(--line-strong); border-radius: 50%; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 670px; padding: 0 45px 26px 0; color: var(--muted); line-height: 1.8; }

.closing { position: relative; overflow: hidden; padding: clamp(100px, 15vw, 190px) 0; text-align: center; border-top: 1px solid var(--line); }
.closing-map { position: absolute; inset: -30%; z-index: -1; opacity: .1; background: url("/assets/gateway-map.jpg") center/cover no-repeat; filter: grayscale(1); transform: rotate(-8deg); mask-image: radial-gradient(circle at center, black 0, transparent 65%); }
.closing-inner { display: flex; flex-direction: column; align-items: center; }
.closing-inner > img { margin-bottom: 24px; border-radius: 18px; box-shadow: 0 20px 60px rgba(92,230,165,.17); }
.closing h2 { max-width: 900px; margin-bottom: 38px; }

.site-footer { padding: 44px 0 24px; background: #070a0c; border-top: 1px solid var(--line); }
.footer-main { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 50px; }
.footer-main > p { margin: 0; color: var(--dim); font-size: .82rem; }
.footer-main nav { display: flex; gap: 24px; color: var(--muted); font-size: .82rem; font-weight: 650; }
.footer-main a:hover { color: var(--mint); }
.footer-legal { display: flex; justify-content: space-between; gap: 30px; margin-top: 34px; padding-top: 22px; color: #64716b; border-top: 1px solid rgba(255,255,255,.06); font-size: .68rem; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.75,.25,1); transition-delay: var(--delay, 0ms); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@keyframes pulse {
    0% { transform: scale(.5); opacity: 0; }
    35% { opacity: .7; }
    100% { transform: scale(1.55); opacity: 0; }
}

@media (max-width: 1040px) {
    .site-nav { gap: 20px; }
    .hero-layout { grid-template-columns: 1fr; }
    .hero-copy { max-width: 760px; }
    .product-stage { width: min(100%, 760px); margin: 0 auto; }
    .app-window { transform: none; }
    .section-heading, .workflow-layout, .faq-layout { grid-template-columns: 1fr; gap: 42px; }
    .workflow-copy { position: static; }
    .privacy-panel { gap: 50px; }
}

@media (max-width: 800px) {
    .shell { width: min(calc(100% - 34px), var(--shell)); }
    .header-inner { min-height: 70px; }
    .menu-toggle { position: relative; z-index: 2; width: 44px; height: 44px; display: grid; place-content: center; gap: 7px; padding: 0; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 8px; }
    .menu-toggle span:not(.sr-only) { width: 19px; height: 1px; display: block; background: currentColor; transition: transform .2s ease; }
    .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
    .site-nav { position: fixed; inset: 70px 0 auto; display: grid; gap: 0; padding: 15px 17px 22px; background: rgba(8,12,14,.98); border-bottom: 1px solid var(--line); transform: translateY(-130%); visibility: hidden; transition: transform .28s ease, visibility .28s ease; }
    .site-nav.is-open { transform: translateY(0); visibility: visible; }
    .site-nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); }
    .site-nav .nav-cta { margin-top: 12px; padding: 13px; text-align: center; border: 0; }
    .hero { min-height: auto; padding-top: 132px; }
    h1 { font-size: clamp(3.5rem, 16vw, 6rem); }
    .signal-strip { grid-template-columns: repeat(2, 1fr); }
    .signal-strip div:nth-child(2) { border-right: 0; }
    .signal-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .feature-grid, .privacy-panel, .detail-grid { grid-template-columns: 1fr; }
    .feature-card { min-height: 390px; }
    .detail-card { border-right: 0; border-bottom: 1px solid var(--line); }
    .detail-card:last-child { border-bottom: 0; }
    .footer-main { grid-template-columns: 1fr; gap: 24px; }
    .footer-main nav { flex-wrap: wrap; }
    .footer-legal { flex-direction: column; gap: 10px; }
}

@media (max-width: 540px) {
    .hero-actions { display: grid; }
    .button { width: 100%; }
    .trust-line { display: grid; }
    .product-stage { padding-top: 24px; }
    .stage-label { display: none; }
    .app-bar { height: 52px; }
    .map-viewport { aspect-ratio: .95; }
    .position-strip { grid-template-columns: auto 1fr; }
    .signal { display: none; }
    .signal-strip { grid-template-columns: 1fr; }
    .signal-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
    .signal-strip div:last-child { border-bottom: 0; }
    .feature-card { min-height: 430px; padding: 26px; }
    .coordinate-demo { grid-template-columns: auto 1fr; }
    .coordinate-demo i { display: none; }
    .privacy-panel { padding: 32px 24px; }
    .privacy-list > div { grid-template-columns: 74px 1fr auto; gap: 10px; }
    .privacy-list strong { font-size: .78rem; }
    .steps li { grid-template-columns: 38px 1fr auto; gap: 14px; }
}

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