:root {
  --bg: #010620;
  --bg-2: #040b2c;
  --panel: rgba(14, 28, 52, 0.55);
  --line: rgba(110, 180, 255, 0.16);
  --line-strong: rgba(110, 190, 255, 0.35);
  --text: #e8f1ff;
  --muted: #8ea3c2;
  --blue: #3d9bff;
  --cyan: #7fe3ff;
  --violet: #9b7bff;
  --glow: 0 0 24px rgba(80, 170, 255, 0.45);
  --amber: #f3b84b;
  --radius: 14px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; line-height: 1.1; }
p { margin: 0; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 16px;
  background: linear-gradient(120deg, #6cc6ff, #3d8bff 55%, #7d6bff); color: #031028; border: 0; cursor: pointer;
  box-shadow: 0 0 0 1px rgba(150, 210, 255, 0.4) inset, 0 8px 30px rgba(45, 132, 240, 0.35); transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(190, 230, 255, 0.6) inset, 0 10px 40px rgba(45, 132, 240, 0.55); }
.btn-ghost { background: transparent; color: var(--text); box-shadow: 0 0 0 1px var(--line-strong) inset; }
.btn-ghost:hover { box-shadow: 0 0 0 1px var(--cyan) inset, var(--glow); }
.btn-small { padding: 9px 16px; font-size: 14px; }
.btn-wide { width: 100%; padding: 16px; }

/* top bar */
.topbar { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; padding: 8px clamp(16px, 4vw, 40px);
  background: linear-gradient(180deg, rgba(1,6,32,.9), rgba(1,6,32,0)); backdrop-filter: blur(6px); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.22em; font-size: 15px; }
.brand-img { height: 60px; width: auto; display: block; filter: drop-shadow(0 0 10px rgba(110, 170, 255, .35)); }
.brand-img-foot { height: 48px; }
.topbar .brand { transition: opacity .35s; }
.topbar.hero-in .brand { opacity: 0; pointer-events: none; }
.brand-vision { font-weight: 600; font-size: 13px; letter-spacing: .42em; color: #cfe3ff; margin-left: 2px; text-shadow: 0 0 12px rgba(110,170,255,.6); }
.hero-lockup { display: flex; flex-direction: column; align-items: center; margin-bottom: 26px; }
.hero-vision { margin-top: 6px; font-weight: 600; font-size: clamp(14px, 1.6vw, 20px); letter-spacing: .7em; padding-left: .7em; background: linear-gradient(90deg, #8fd8ff, #b9a6ff); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 10px rgba(110,170,255,.55)); }
.hero-logo { display: block; height: clamp(120px, 18vw, 190px); width: auto; margin: 0 auto; filter: drop-shadow(0 0 30px rgba(90, 160, 255, .45)) drop-shadow(0 10px 40px rgba(140, 100, 255, .25)); }
.brand-ring { width: 26px; height: 26px; fill: none; stroke: var(--cyan); stroke-width: 1.6; filter: drop-shadow(0 0 5px rgba(127, 227, 255, .8)); }
.topbar nav { display: flex; align-items: center; gap: 22px; }
.navlink { color: var(--muted); font-size: 14px; font-weight: 500; }
.navlink:hover { color: var(--text); }

/* hero */
.hero { position: relative; min-height: 100vh; display: grid; place-items: center; overflow: hidden; text-align: center; padding: 120px 16px 80px;
  background: radial-gradient(ellipse 60% 50% at 50% 55%, rgba(40, 110, 220, 0.18), transparent 70%), radial-gradient(ellipse 40% 30% at 70% 75%, rgba(125, 100, 255, 0.10), transparent 70%), var(--bg); }
.hero-inner { position: relative; z-index: 2; max-width: 820px; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); margin-bottom: 18px; }
.hero h1 { font-size: clamp(44px, 8vw, 96px); font-weight: 700; background: linear-gradient(180deg, #ffffff 35%, #a9c8ff 75%, #b9a6ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { margin: 24px auto 0; max-width: 640px; font-size: clamp(17px, 2vw, 20px); color: #b9c9e2; }
.cta-row { margin-top: 36px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-halo { position: absolute; left: 50%; top: 58%; width: min(900px, 120vw); aspect-ratio: 1; transform: translate(-50%, -50%) rotateX(76deg); border-radius: 50%;
  border: 1.5px solid rgba(127, 227, 255, 0.55); border-bottom-color: rgba(155, 123, 255, .75); box-shadow: 0 0 40px rgba(80, 170, 255, .5), 0 30px 60px rgba(125, 100, 255, .25), inset 0 0 60px rgba(80, 170, 255, .35); animation: halo-pulse 6s ease-in-out infinite; }
.hero { perspective: 900px; }
@keyframes halo-pulse { 50% { border-color: rgba(127, 227, 255, 0.9); box-shadow: 0 0 70px rgba(80, 170, 255, .7), inset 0 0 90px rgba(80, 170, 255, .45); } }
.hero-grid { position: absolute; inset: auto -50% -10% -50%; height: 55%; transform: rotateX(72deg); transform-origin: bottom;
  background-image: linear-gradient(rgba(80,160,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(80,160,255,.14) 1px, transparent 1px); background-size: 60px 60px;
  mask-image: linear-gradient(to top, black 10%, transparent 90%); -webkit-mask-image: linear-gradient(to top, black 10%, transparent 90%); }
.hero-sweep { position: absolute; left: 0; right: 0; top: 0; height: 2px; z-index: 1;
  background: linear-gradient(90deg, transparent, rgba(127,227,255,.0) 10%, rgba(127,227,255,.9) 50%, rgba(127,227,255,0) 90%, transparent);
  box-shadow: 0 0 18px 2px rgba(80, 170, 255, .6); animation: sweep 7s cubic-bezier(.45,0,.55,1) infinite; opacity: .8; }
@keyframes sweep { 0% { transform: translateY(8vh); opacity: 0; } 10% { opacity: .85; } 90% { opacity: .85; } 100% { transform: translateY(95vh); opacity: 0; } }
.scroll-cue { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); width: 24px; height: 38px; border-radius: 12px; border: 1.5px solid var(--line-strong); z-index: 2; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 2px; background: var(--cyan); animation: cue 1.8s infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }

/* demo */
.demo { position: relative; height: 900vh; background: var(--bg); }
.stage { position: sticky; top: 0; height: 100vh; overflow: hidden; }
#garage { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.stage-fade { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, var(--bg) 0%, transparent 12%, transparent 85%, rgba(1,6,32,.9) 100%); }
.caption { position: absolute; left: clamp(16px, 5vw, 64px); bottom: clamp(70px, 12vh, 120px); max-width: 430px; z-index: 3; }
.cap-step { font-size: 12px; letter-spacing: .16em; color: var(--cyan); margin-bottom: 10px; }
#capText { font-size: clamp(20px, 2.6vw, 30px); font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; transition: opacity .25s, transform .25s; text-shadow: 0 2px 20px rgba(0,0,0,.8); }
#capText.swap { opacity: 0; transform: translateY(6px); }
.cap-bar { margin-top: 18px; height: 2px; width: 220px; background: var(--line); border-radius: 2px; overflow: hidden; }
.cap-bar span { display: block; height: 100%; width: 0; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.illus { position: absolute; left: clamp(16px, 5vw, 64px); top: 84px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); opacity: .8; z-index: 3; }
.scroll-hint { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); font-size: 12px; letter-spacing: .14em; color: var(--muted); transition: opacity .4s; z-index: 3; }
.car-tag { position: absolute; z-index: 3; transform: translate(-50%, -100%); padding: 7px 11px; border-radius: 8px; font-size: 12px; white-space: nowrap; pointer-events: none;
  background: rgba(2, 10, 40, .8); border: 1px solid rgba(127, 227, 255, .6); color: #dff6ff; box-shadow: 0 0 18px rgba(80, 170, 255, .45); opacity: 0; transition: opacity .25s; }
.car-tag.on { opacity: 1; }
.car-tag .ok { color: #7dffb2; }
.car-tag .dim { color: var(--muted); }

/* phone */
.phone { position: absolute; right: clamp(16px, 6vw, 90px); top: 50%; transform: translateY(-50%); width: 270px; height: 560px; border-radius: 44px; z-index: 3;
  background: #020823; border: 1.5px solid rgba(127, 227, 255, .55); box-shadow: 0 0 0 6px rgba(20, 40, 70, .55), 0 0 50px rgba(60, 150, 255, .35); padding: 12px; }
.phone-notch { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); width: 86px; height: 24px; border-radius: 14px; background: #000; z-index: 2; }
.phone-screen { position: relative; height: 100%; border-radius: 34px; overflow: hidden; background: radial-gradient(ellipse at 50% 0%, #0d2348, #050a14 70%); }
.ph { position: absolute; inset: 0; padding: 64px 18px 22px; opacity: 0; transition: opacity .45s, transform .45s; transform: scale(.98); display: flex; flex-direction: column; }
.ph.on { opacity: 1; transform: none; }
.ph-lock { align-items: center; text-align: center; }
.ph-clock { font-size: 64px; font-weight: 300; letter-spacing: -0.03em; margin-top: 18px; }
.ph-date { font-size: 13px; color: var(--muted); }
.ph-notif { margin-top: 40px; width: 100%; text-align: left; padding: 12px 14px; border-radius: 16px; background: rgba(255,255,255,.1); backdrop-filter: blur(8px);
  opacity: 0; transform: translateY(-14px); transition: opacity .4s, transform .4s; font-size: 13px; }
.ph-notif.on { opacity: 1; transform: none; }
.ph-notif-head { display: flex; align-items: center; gap: 7px; font-size: 11px; color: var(--muted); letter-spacing: .06em; margin-bottom: 4px; }
.ph-app { width: 16px; height: 16px; border-radius: 5px; background: radial-gradient(circle, transparent 3px, var(--cyan) 3.5px, var(--cyan) 5px, transparent 5.5px), #0a1830; box-shadow: 0 0 8px rgba(127,227,255,.6); }
.ph-now { margin-left: auto; }
.ph-head { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #3dff9a; box-shadow: 0 0 10px #3dff9a; animation: blink 1.6s infinite; }
@keyframes blink { 50% { opacity: .35; } }
.ph-timer { font-size: 42px; font-weight: 500; margin-top: 26px; letter-spacing: -0.02em; }
.ph-amount { color: var(--cyan); font-size: 17px; margin-top: 4px; }
.ph-rows { margin: auto 0 0; padding: 0; font-size: 13px; }
.ph-rows div { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid rgba(255,255,255,.08); }
.ph-rows dt { color: var(--muted); }
.ph-rows dd { margin: 0; }
.ph-receipt { align-items: center; text-align: center; }
.ph-check { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; font-size: 26px; color: #021022; background: #7dffb2; box-shadow: 0 0 24px rgba(125,255,178,.6); margin: 8px auto 14px; }
.ph-thanks { font-size: 14px; color: #c7d6ee; }
.ph-total { font-size: 46px; font-weight: 600; margin-top: 14px; letter-spacing: -0.02em; }
.ph-sub { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.ph-receipt .ph-rows { width: 100%; text-align: left; }
.ph-btn { margin-top: 14px; width: 100%; padding: 11px; border-radius: 12px; background: rgba(127,227,255,.12); color: var(--cyan); font-size: 14px; font-weight: 600; }

/* sections */
.section { padding: clamp(80px, 12vw, 140px) 0; position: relative; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.wrap { width: min(1120px, 100% - 32px); margin: 0 auto; }
.wrap.narrow { width: min(720px, 100% - 32px); }
.section h2 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 700; max-width: 760px; }
.body-lg { font-size: 19px; color: #b9c9e2; margin-top: 18px; max-width: 620px; }
.cards { display: grid; gap: 18px; margin-top: 48px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.card { padding: 28px; border-radius: var(--radius); background: linear-gradient(180deg, rgba(20, 40, 72, .55), rgba(8, 16, 30, .6)); border: 1px solid var(--line); position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent); opacity: .5; }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 16px; }
.card-num { color: var(--cyan); font-size: 13px; letter-spacing: .14em; margin-bottom: 18px; }
.icon { width: 46px; height: 46px; fill: none; stroke: var(--cyan); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 18px; filter: drop-shadow(0 0 6px rgba(127,227,255,.5)); }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.checks li { padding: 18px 20px 18px 54px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(14, 28, 52, .4); position: relative; color: var(--muted); }
.checks li strong { color: var(--text); display: block; }
.checks li::before { content: ""; position: absolute; left: 20px; top: 22px; width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid var(--cyan); box-shadow: 0 0 10px rgba(127,227,255,.6), inset 0 0 6px rgba(127,227,255,.6); }
.note { margin-top: 28px; color: var(--muted); font-size: 15px; }
.tbd { display: inline-block; font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; color: var(--amber); border: 1px dashed rgba(243,184,75,.6); border-radius: 6px; padding: 2px 8px; vertical-align: middle; }
.table-wrap { margin-top: 44px; overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.compare { width: 100%; border-collapse: collapse; min-width: 560px; }
.compare th, .compare td { padding: 18px 22px; text-align: left; border-bottom: 1px solid var(--line); font-size: 16px; }
.compare thead th { font-size: 13px; font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.compare tbody th { font-weight: 600; }
.compare td { color: #b9c9e2; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.halo-col { background: rgba(61, 155, 255, .08); }
.compare thead .halo-col { color: var(--cyan); }
.src { color: var(--muted); font-size: 13px; }

/* form */
.quote { background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(40,110,220,.16), transparent 70%), var(--bg); }
.form { margin-top: 36px; display: grid; gap: 16px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 7px; font-size: 14px; color: var(--muted); font-weight: 500; }
.opt { font-weight: 400; opacity: .7; }
.form input, .form select, .form textarea { font: inherit; font-size: 16px; color: var(--text); background: rgba(10, 20, 38, .8); border: 1px solid var(--line-strong); border-radius: 10px; padding: 13px 14px; outline: none; transition: border-color .15s, box-shadow .15s; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(127,227,255,.15); }
.form .bad { border-color: #ff6b81; }
.form-err { color: #ff8a9b; font-size: 14px; min-height: 1px; }
.thanks { margin-top: 36px; text-align: center; padding: 40px 24px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); }
.thanks h3 { font-size: 26px; margin-bottom: 6px; }
.thanks p { color: var(--muted); }

.footer { border-top: 1px solid var(--line); padding: 34px 0; font-size: 14px; color: var(--muted); }
.foot-row { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.foot-row .brand { color: var(--text); margin-right: auto; }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* responsive */
@media (max-width: 900px) {
  .cards.three, .cards.four { grid-template-columns: 1fr 1fr; }
  .cards.three .card:last-child { grid-column: 1 / -1; }
  .split { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 700px) {
  body { font-size: 16px; }
  .navlink { display: none; }
  .cards.three, .cards.four { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr; }
  .phone { top: auto; bottom: 16px; right: 12px; transform: scale(.52); transform-origin: bottom right; }
  .caption { top: 110px; bottom: auto; right: 16px; }
  #capText { font-size: 21px; }
  .illus { top: 70px; }
  .scroll-hint { bottom: 18px; left: 16px; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-sweep, .hero-halo, .scroll-cue span, .live-dot { animation: none; }
  html { scroll-behavior: auto; }
}