:root {
  --color-primary: #ffffff;
  --color-ink: #ffffff;
  --color-body: #bbbbbb;
  --color-body-strong: #e6e6e6;
  --color-muted: #7e7e7e;
  --color-hairline: #3c3c3c;
  --color-hairline-strong: #262626;
  --color-canvas: #000000;
  --color-surface-card: #1a1a1a;
  --color-surface-elevated: #262626;
  --color-surface-soft: #0d0d0d;
  --color-on-primary: #000000;
  --color-on-dark: #ffffff;
  --color-m-blue-light: #0066b1;
  --color-m-blue-dark: #1c69d4;
  --color-m-red: #e22718;
  --color-bmw-blue: #1c69d4;
  --color-electric-blue: #0653b6;
  --color-carbon-gray: #2b2b2b;
  --color-warning: #f4b400;
  --color-success: #0fa336;
  --font: "BMWTypeNextLatin", "BMW Type Next Latin", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-light: "BMWTypeNextLatin Light", "BMW Type Next Latin", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rounded-none: 0px;
  --rounded-full: 9999px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-xxl: 64px;
  --space-section: 96px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-light);
  color: var(--color-body);
  background: var(--color-canvas);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.5;
}
a { color: var(--color-on-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1440px; margin: 0 auto; padding: 0 40px; }

.m-stripe {
  height: 4px;
  background: linear-gradient(90deg, var(--color-m-blue-light) 0 33.33%, var(--color-m-blue-dark) 33.33% 66.66%, var(--color-m-red) 66.66% 100%);
}

.header {
  background: var(--color-canvas);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  display: flex; align-items: center; gap: 24px;
  min-height: 64px; flex-wrap: wrap;
}
.logo {
  font-family: var(--font);
  font-weight: 700;
  color: var(--color-on-dark);
  font-size: 18px;
  letter-spacing: 1.5px;
}
.logo:hover { text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 28px; flex: 1; }
.nav a {
  font-family: var(--font);
  color: var(--color-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.5px;
}
.nav a:hover { text-decoration: none; color: var(--color-on-dark); }
.nav a.on { color: var(--color-on-dark); }
.back { margin-left: auto; font-size: 12px; color: var(--color-muted); letter-spacing: 0.5px; }

.hero {
  padding: var(--space-xxl) 0 var(--space-section);
  background: var(--color-canvas);
}
.hero h1 {
  font-family: var(--font);
  font-size: 80px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--color-on-dark);
  margin: 16px 0 16px;
}
.hero p {
  margin: 0 0 32px;
  max-width: 36em;
  font-weight: 300;
  color: var(--color-body);
}

.section { padding: var(--space-section) 0; }
.section h2 {
  font-family: var(--font);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--color-on-dark);
  margin: 0 0 32px;
}
.muted { color: var(--color-body); font-weight: 300; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }

.card {
  background: var(--color-surface-card);
  padding: 0 0 24px;
}
.card.flat { background: transparent; }
.card h3 {
  font-family: var(--font);
  margin: 16px 24px 8px;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-on-dark);
  text-transform: uppercase;
}
.card p {
  margin: 0 24px;
  color: var(--color-body);
  font-size: 14px;
  font-weight: 300;
}
.tag {
  display: inline-block;
  margin: 16px 24px 0;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-on-dark);
}
.more {
  display: inline-block;
  margin: 16px 24px 0;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-on-dark);
}
.more:hover { text-decoration: none; }

.spec {
  background: var(--color-surface-soft);
  padding: 24px;
  border: 1px solid var(--color-hairline);
  border-width: 1px 0 0 0;
}
.spec b {
  display: block;
  font-family: var(--font);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-on-dark);
}
.spec span {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-muted);
}

.ph {
  background: var(--color-surface-elevated);
  color: var(--color-muted);
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
}

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  border-bottom: 1px solid var(--color-hairline);
  padding: 20px 0;
  display: flex; gap: 16px;
  font-weight: 300;
}
.list .date {
  font-family: var(--font);
  color: var(--color-muted);
  min-width: 7em;
  font-size: 12px;
  letter-spacing: 0.5px;
  font-weight: 400;
}

.cta-photo {
  padding: 80px 0;
  text-align: center;
  background: var(--color-surface-soft);
}
.cta-photo h2 {
  font-family: var(--font);
  font-size: 40px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-on-dark);
  margin: 0 0 24px;
}

form label {
  display: block; margin: 0 0 4px;
  font-family: var(--font);
  font-size: 14px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--color-on-dark);
}
form input, form textarea {
  width: 100%; max-width: 480px; padding: 12px 16px; height: 48px;
  border: 1px solid var(--color-hairline); border-radius: var(--rounded-none);
  font: inherit; margin-bottom: 12px;
  background: var(--color-surface-card); color: var(--color-on-dark);
}
form textarea { height: auto; }
form input:focus, form textarea:focus { outline: none; border-color: var(--color-on-dark); }
form button, .btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 32px; height: 48px;
  border: 1px solid var(--color-on-dark);
  background: transparent; color: var(--color-on-dark);
  font-family: var(--font);
  font-size: 14px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer; border-radius: var(--rounded-none);
}
.btn:hover { text-decoration: none; color: var(--color-on-dark); background: var(--color-on-dark); color: var(--color-on-primary); }
.btn-fill {
  background: var(--color-canvas);
  color: var(--color-on-dark);
}

.footer {
  background: var(--color-canvas);
  padding: 64px 0 40px;
  color: var(--color-body);
  font-size: 14px;
  font-weight: 300;
  border-top: 1px solid var(--color-hairline);
}
.footer p { margin: 0 0 4px; color: var(--color-muted); }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 32px; }
.footer h3 {
  font-family: var(--font);
  font-size: 14px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--color-on-dark); margin: 0 0 12px;
}
.footer a { color: var(--color-body); display: block; padding: 4px 0; }

@media (max-width: 900px) {
  .grid, .grid-2, .grid-4, .footer-cols { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  .section h2 { font-size: 28px; }
}

.ph { overflow: hidden; }
.ph img { width: 100%; height: 100%; object-fit: cover; display: block; }