:root {
  --ink: #050608;
  --panel: #0a0d11;
  --panel-2: #10151b;
  --line: rgba(255,255,255,.14);
  --text: #f5f7f8;
  --muted: #a9b0b8;
  --red: #ff3038;
  --blue: #17a8ff;
  --green: #5ce08b;
  --max: 1380px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--text); font-family: Inter, "Helvetica Neue", Arial, sans-serif; line-height: 1.55; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; padding: .8rem 1rem; background: white; color: black; }
.skip-link:focus { top: 1rem; }
.site-header { position: fixed; z-index: 20; top: 0; left: 0; width: 100%; height: 82px; padding: 0 clamp(1.25rem, 4vw, 4rem); display: flex; align-items: center; justify-content: space-between; background: linear-gradient(180deg, rgba(3,5,7,.96), rgba(3,5,7,.5), transparent); }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; font-weight: 650; letter-spacing: .25em; font-size: .9rem; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; font-size: .9rem; font-weight: 500; color: var(--green); box-shadow: inset 0 0 15px rgba(92,224,139,.12); }
nav { display: flex; gap: 2rem; }
nav a { text-decoration: none; color: #d7dce0; font-size: .85rem; transition: color .2s ease; }
nav a:hover, nav a:focus-visible { color: white; }
.menu-button { display: none; color: white; background: transparent; border: 1px solid var(--line); padding: .55rem .8rem; border-radius: 999px; }
.hero { position: relative; min-height: 100svh; overflow: hidden; display: flex; align-items: flex-end; background: #020304; }
.hero-car { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 61% center; filter: saturate(.9) contrast(1.08); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,3,4,.96) 0%, rgba(2,3,4,.72) 35%, rgba(2,3,4,.08) 70%), linear-gradient(0deg, rgba(2,3,4,.95), transparent 42%); }
.hero-glow { position: absolute; z-index: 1; width: 35vw; height: 35vw; right: 7vw; top: 15vh; background: rgba(255,35,45,.12); filter: blur(120px); border-radius: 50%; }
.hero-content { position: relative; z-index: 2; width: min(700px, 90%); padding: 10rem clamp(1.25rem, 7vw, 7rem) 10rem; }
.eyebrow, .section-number, .vehicle-type { margin: 0 0 1.5rem; color: #c8cdd2; font-size: .75rem; letter-spacing: .24em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.5rem; font-size: clamp(3.5rem, 7vw, 7.4rem); line-height: .88; letter-spacing: -.055em; font-weight: 450; }
h1 span, .eg h2 span, .responsibility h2 span { color: var(--red); }
.hero-copy { max-width: 600px; color: #c6ccd1; font-size: clamp(1rem, 1.5vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 1.4rem; text-decoration: none; font-size: .9rem; border-radius: 2px; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: white; color: #050608; }
.button-quiet { border: 1px solid rgba(255,255,255,.3); background: rgba(10,13,17,.35); backdrop-filter: blur(10px); }
.hero-specs { position: absolute; z-index: 3; right: clamp(1.25rem, 4vw, 4rem); bottom: 2rem; display: flex; gap: 2.4rem; }
.hero-specs div { display: grid; border-left: 1px solid rgba(255,255,255,.35); padding-left: 1rem; }
.hero-specs strong { font-size: 1.15rem; letter-spacing: .08em; }
.hero-specs span { color: var(--muted); font-size: .72rem; }
.section-pad { padding: clamp(5rem, 10vw, 10rem) clamp(1.25rem, 7vw, 7rem); }
.manifesto { max-width: var(--max); margin: auto; display: grid; grid-template-columns: 1fr 3fr; gap: 3rem; }
h2 { font-size: clamp(2.7rem, 5.5vw, 6rem); line-height: .96; letter-spacing: -.045em; font-weight: 420; }
.manifesto p:not(.section-number) { max-width: 800px; color: var(--muted); font-size: clamp(1.15rem, 2vw, 1.65rem); }
.manifesto strong { color: white; }
.vehicles { background: var(--panel); }
.section-heading { max-width: var(--max); margin: auto 0 4rem; display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; align-items: end; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { color: var(--muted); max-width: 500px; }
.vehicle-stage { max-width: var(--max); min-height: 560px; margin: auto; display: grid; grid-template-columns: .8fr 1.7fr; background: #050709; border: 1px solid var(--line); overflow: hidden; }
.vehicle-copy { padding: clamp(2rem, 5vw, 5rem); align-self: center; }
.vehicle-copy h3 { font-size: clamp(3.5rem, 6vw, 7rem); line-height: .9; font-weight: 500; letter-spacing: -.05em; }
.vehicle-copy > p:not(.vehicle-type) { color: var(--muted); max-width: 420px; }
.vehicle-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.vehicle-tags span { border: 1px solid var(--line); color: #d8dde1; padding: .45rem .7rem; font-size: .75rem; }
.vehicle-visual { position: relative; min-height: 500px; overflow: hidden; background: radial-gradient(circle at 60% 50%, #162838, #030405 62%); }
.vehicle-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 58% center; opacity: .94; }
.vehicle-visual::after { content: ""; position: absolute; inset: 0; box-shadow: inset 30px 0 70px #050709; pointer-events: none; }
.scan-line { position: absolute; inset: 12% 8%; border: 1px solid rgba(23,168,255,.25); clip-path: polygon(0 0, 40% 0, 40% 1px, 0 1px, 0 35%, 1px 35%, 1px 0, 100% 0, 100% 35%, calc(100% - 1px) 35%, calc(100% - 1px) 1px, 60% 1px, 60% 0, 100% 0, 100% 100%, 60% 100%, 60% calc(100% - 1px), calc(100% - 1px) calc(100% - 1px), calc(100% - 1px) 65%, 100% 65%, 100% 100%, 0 100%, 0 65%, 1px 65%, 1px calc(100% - 1px), 40% calc(100% - 1px), 40% 100%); }
.model-selector { max-width: var(--max); margin: 1.5rem auto 0; display: flex; overflow-x: auto; border-bottom: 1px solid var(--line); }
.model-tab { flex: 1 0 auto; padding: 1.1rem 1.5rem; border: 0; border-bottom: 2px solid transparent; background: transparent; color: #7f8891; font-size: .8rem; letter-spacing: .15em; cursor: pointer; }
.model-tab:hover, .model-tab:focus-visible { color: white; }
.model-tab.active { color: white; border-bottom-color: var(--red); }
.development-note { max-width: var(--max); margin: 1rem auto 0; color: #717a83; font-size: .78rem; }
.eg { background: #080a0d; overflow: hidden; }
.eg-intro { max-width: var(--max); margin: auto; }
.power-map { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 180px 1fr; align-items: stretch; padding: 0 clamp(1.25rem, 3vw, 3rem); }
.power-card { min-height: 330px; padding: 2.5rem; display: flex; justify-content: space-between; align-items: flex-end; border: 1px solid var(--line); position: relative; overflow: hidden; }
.power-card::before { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; filter: blur(85px); opacity: .25; }
.power-card.gas::before { left: -70px; top: -100px; background: var(--green); }
.power-card.electric::before { right: -70px; top: -100px; background: var(--blue); }
.power-letter { font-size: 8rem; line-height: .8; font-weight: 250; color: rgba(255,255,255,.85); }
.power-card div { max-width: 260px; text-align: right; }
.power-card p { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; }
.power-card h3 { font-weight: 420; }
.power-core { z-index: 2; margin: 4rem -1rem; display: grid; place-content: center; text-align: center; gap: .35rem; background: #e8ecef; color: #0a0d11; border-radius: 50%; aspect-ratio: 1; box-shadow: 0 0 50px rgba(255,255,255,.15); }
.power-core strong { font-size: 2.3rem; }
.power-core span { font-size: .58rem; letter-spacing: .13em; }
.eg-details { max-width: var(--max); margin: auto; display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; }
.eg-details > div { padding: 2rem; border-top: 1px solid var(--line); }
.eg-details strong { color: var(--red); font-size: .75rem; }
.eg-details h3 { margin: 2rem 0 .6rem; font-size: 1.35rem; }
.eg-details p { color: var(--muted); }
.intelligence { min-height: 760px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 6vw; background: linear-gradient(135deg, #020406, #0b141b); overflow: hidden; }
.ai-orbit { position: relative; width: min(38vw, 520px); aspect-ratio: 1; margin: auto; border: 1px solid rgba(23,168,255,.32); border-radius: 50%; box-shadow: inset 0 0 100px rgba(23,168,255,.08), 0 0 100px rgba(23,168,255,.07); }
.ai-orbit::before, .ai-orbit::after { content: ""; position: absolute; inset: 16%; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
.ai-orbit::after { inset: 34%; background: radial-gradient(circle, rgba(92,224,139,.45), rgba(23,168,255,.15) 38%, transparent 70%); animation: breathe 4s ease-in-out infinite; }
.ai-orbit span { position: absolute; left: 50%; top: 50%; width: 6px; height: 6px; border-radius: 50%; background: white; box-shadow: 0 0 14px white; transform-origin: 0 0; }
.ai-orbit span:nth-child(1) { animation: orbit 8s linear infinite; }
.ai-orbit span:nth-child(2) { animation: orbit 11s linear infinite reverse; }
.ai-orbit span:nth-child(3) { animation: orbit 14s linear infinite; }
@keyframes orbit { to { transform: rotate(360deg) translateX(240px); } }
@keyframes breathe { 50% { transform: scale(1.12); opacity: .65; } }
.ai-copy { max-width: 640px; }
.ai-copy > p:not(.section-number), .ai-copy li { color: var(--muted); font-size: 1.05rem; }
.ai-copy ul { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.ai-copy li { border-top: 1px solid var(--line); padding-top: 1rem; }
.identity { max-width: var(--max); margin: auto; }
.identity-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.identity-grid article { min-height: 260px; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.identity-grid span { color: var(--red); font-size: .7rem; letter-spacing: .18em; }
.identity-grid h3 { margin-top: 4rem; font-size: 1.2rem; font-weight: 500; }
.identity-grid p { color: var(--muted); font-size: .9rem; }
.responsibility { text-align: center; min-height: 650px; display: grid; place-content: center; background: radial-gradient(circle at center, rgba(255,48,56,.12), transparent 50%); }
.responsibility h2 { margin-bottom: 1.5rem; font-size: clamp(3.5rem, 7vw, 7rem); }
.responsibility p:last-child { max-width: 600px; margin: auto; color: var(--muted); font-size: 1.1rem; }
footer { min-height: 250px; padding: 4rem clamp(1.25rem, 7vw, 7rem); border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 2rem; align-items: start; color: var(--muted); font-size: .8rem; }
footer .brand { color: white; }
.copyright { grid-column: 2 / -1; }
@media (max-width: 900px) {
  .site-header { height: 68px; }
  .menu-button { display: block; }
  nav { position: absolute; top: 64px; right: 1rem; display: none; width: min(300px, calc(100vw - 2rem)); flex-direction: column; gap: 0; padding: .8rem; background: rgba(8,10,13,.98); border: 1px solid var(--line); }
  nav.open { display: flex; }
  nav a { padding: .9rem; }
  .hero-content { padding-bottom: 12rem; }
  .hero-shade { background: linear-gradient(90deg, rgba(2,3,4,.9), rgba(2,3,4,.3)), linear-gradient(0deg, rgba(2,3,4,.98), transparent 60%); }
  .hero-specs { left: 1.25rem; right: auto; gap: 1rem; }
  .manifesto, .section-heading, .vehicle-stage, .intelligence { grid-template-columns: 1fr; }
  .vehicle-visual { min-height: 380px; order: -1; }
  .power-map { grid-template-columns: 1fr; }
  .power-core { width: 150px; margin: -1.2rem auto; }
  .eg-details, .identity-grid { grid-template-columns: 1fr 1fr; }
  .ai-orbit { width: min(78vw, 480px); }
  footer { grid-template-columns: 1fr 1fr; }
  .copyright { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .hero-car { object-position: 64% center; opacity: .78; }
  .hero-content { padding-top: 8rem; }
  .hero-specs { width: calc(100% - 2.5rem); justify-content: space-between; }
  .hero-specs div { padding-left: .55rem; }
  .hero-specs span { font-size: .64rem; }
  .manifesto { gap: 1rem; }
  .vehicle-stage { min-height: 0; }
  .vehicle-visual { min-height: 270px; }
  .power-card { min-height: 280px; }
  .power-letter { font-size: 5.5rem; }
  .eg-details, .identity-grid, .ai-copy ul, footer { grid-template-columns: 1fr; }
  .identity-grid article { min-height: 220px; }
  footer { padding-bottom: 6rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ai-orbit span, .ai-orbit::after { animation: none; }
}