/* VEIL — Tesla product page: the film is the page. */

:root {
  --ink: #000;
  --paper: #fff;
  --mist: rgba(255, 255, 255, 0.72);
  --dim: rgba(255, 255, 255, 0.48);
  --font: "Inter Tight", "Segoe UI", system-ui, sans-serif;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--ink);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
}

body {
  font-family: var(--font);
  background: var(--ink);
  color: var(--paper);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }
video { display: block; }

.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  z-index: 90;
  background: #fff;
  color: #000;
  padding: 8px 12px;
  font-size: 13px;
}
.skip:focus { top: 12px; }

:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  transition: background 0.35s;
}
.nav.on-paper {
  background: rgba(244, 244, 244, 0.9);
}
.nav.on-paper .logo,
.nav.on-paper .links a { color: #171a20; }
.nav.on-paper .nav-cta { background: #000; color: #fff; }
.nav.on-paper .burger i { background: #000; }
.logo {
  font-weight: 600;
  letter-spacing: 0.28em;
  font-size: 14px;
}
.links { display: flex; gap: 4px; }
.links a {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--mist);
}
.links a:hover { color: #fff; }
.nav-cta {
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 4px;
  background: #fff;
  color: #000;
}
.burger {
  display: none;
  width: 36px;
  height: 36px;
  position: relative;
}
.burger i {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 1.5px;
  background: #fff;
}
.burger i:first-child { top: 13px; }
.burger i:last-child { top: 21px; }
.nav.open .burger i:first-child { top: 17px; transform: rotate(45deg); }
.nav.open .burger i:last-child { top: 17px; transform: rotate(-45deg); }

.back {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 45;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 6px 10px;
  border-radius: 999px;
}

/* ---------- screens ---------- */

.screen {
  position: relative;
  height: 100svh;
  min-height: 640px;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px 40px;
}
.bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.08) 38%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
}
.veil-soft {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.2) 40%, rgba(0, 0, 0, 0.62) 100%);
}

.copy {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 18vh;
}
.bot {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  width: 100%;
}
.kicker {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--mist);
  margin-bottom: 8px;
}
h1 {
  font-size: clamp(36px, 4.6vw, 52px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.line {
  margin-top: 10px;
  font-size: 16px;
  font-weight: 400;
  color: var(--mist);
}
.pills {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 256px;
  max-width: calc(50vw - 28px);
  min-height: 40px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  transition: opacity 0.2s, transform 0.25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn-light { background: #fff; color: #000; }
.btn-dark { background: rgba(23, 26, 32, 0.72); color: #fff; backdrop-filter: blur(8px); }
.btn-ink { background: #000; color: #fff; }
.btn-line { border: 3px solid #000; color: #000; background: transparent; }

.hud {
  display: flex;
  gap: clamp(28px, 6vw, 72px);
  justify-content: center;
}
.hud li { text-align: center; }
.hud b {
  display: block;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  letter-spacing: -0.03em;
}
.hud span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--dim);
}

/* ---------- order (white invert, Tesla inventory) ---------- */

.order {
  min-height: 100svh;
  scroll-snap-align: start;
  background: #f4f4f4;
  color: #171a20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 96px 24px 72px;
}
.order-inner { max-width: 560px; text-align: center; }
.kicker.dark { color: #5c5e62; }
.order h2 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 8px 0 28px;
}
.models {
  display: inline-flex;
  border: 3px solid #000;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 32px;
}
.models button {
  min-width: 104px;
  min-height: 40px;
  padding: 0 18px;
  font-weight: 500;
  color: #171a20;
}
.models button.on { background: #000; color: #fff; }

.quote { margin-bottom: 28px; }
.from { font-size: 13px; color: #5c5e62; }
.price {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
  font-variant-numeric: tabular-nums;
}
.price span { font-size: 18px; margin-top: 10px; font-weight: 500; }
.price b { font-size: clamp(48px, 7vw, 64px); font-weight: 600; letter-spacing: -0.04em; }
.inc { margin-top: 6px; font-size: 14px; color: #5c5e62; }
.fine { margin-top: 28px; font-size: 12px; color: #5c5e62; }
.order .pills { justify-content: center; }
.order .btn { max-width: 256px; }

footer {
  scroll-snap-align: start;
  background: #000;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
  padding: 22px 32px;
  font-size: 12px;
}
footer a { color: #fff; font-weight: 500; }
footer nav { display: flex; gap: 18px; }

@media (max-width: 720px) {
  .nav { padding: 0 16px; }
  .links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 56px;
    flex-direction: column;
    background: #000;
    padding: 8px 16px 16px;
  }
  .nav.open .links { display: flex; }
  .links a { padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); color: #fff; }
  .burger { display: block; }
  .nav-cta { display: none; }
  .copy { padding-top: 16vh; }
  .pills { flex-direction: column; align-items: center; }
  .btn { max-width: 100%; width: min(256px, 100%); }
  .hud { gap: 20px; }
  .models { width: 100%; }
  .models button { flex: 1; min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover { transform: none; }
}