:root {
  --bg: #050505;
  --bg-soft: #0b0b0b;
  --card: #111111;
  --card-2: #151515;
  --text: #f3f3f3;
  --muted: #a8a8a8;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #d7ff37;
  --accent-soft: rgba(215, 255, 55, 0.16);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  height: 76px;
  padding: 0 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand img {
  width: 190px;
  height: auto;
}

.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  color: var(--text);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.2s ease, transform 0.2s ease;
}

.contact-button:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 160px 56px 80px;
  display: flex;
  align-items: center;
  background-image: url("assets/mercedes-hero.png");
  background-size: cover;
  background-position: center right;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.68) 28%, rgba(0,0,0,0.22) 60%, rgba(0,0,0,0.34) 100%),
    linear-gradient(0deg, rgba(0,0,0,0.90) 0%, rgba(0,0,0,0) 38%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(44px, 7vw, 94px);
  line-height: 0.92;
  letter-spacing: -0.06em;
  max-width: 850px;
}

h2 {
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1;
  letter-spacing: -0.05em;
}

h3 {
  font-size: 22px;
  letter-spacing: -0.03em;
}

.section {
  padding: 110px 56px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 0%, var(--accent-soft), transparent 28%),
    var(--bg);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 42px;
}

.section-heading.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.cards {
  display: grid;
  gap: 18px;
}

.cards.three {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  min-height: 260px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, var(--card), var(--card-2));
  border: 1px solid var(--line);
  border-radius: 28px;
}

.card span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.card p,
.split-text p,
.person-card p,
.footer p {
  color: var(--muted);
  font-size: 16px;
}

.card h3 {
  margin-top: auto;
  margin-bottom: 14px;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 1.1fr 0.9fr;
}

.split-text {
  max-width: 620px;
}

.split-text h2 {
  margin-bottom: 24px;
}

.split-image {
  border-radius: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #000;
}

.pcb-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.person-card {
  padding: 30px;
  text-align: center;
  background: linear-gradient(145deg, #101010, #151515);
  border: 1px solid var(--line);
  border-radius: 30px;
}

.person-card img {
  width: min(250px, 80%);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 999px;
  margin: 0 auto 24px;
  border: 1px solid rgba(255,255,255,0.14);
}

.featured-person {
  border-color: rgba(215, 255, 55, 0.35);
  box-shadow: 0 0 0 1px rgba(215,255,55,0.05), 0 24px 80px rgba(215,255,55,0.08);
}

.bmw-image img {
  width: 100%;
  height: 620px;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.85) contrast(1.05) brightness(0.82);
}

.footer {
  padding: 80px 56px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  background: #000;
  border-top: 1px solid var(--line);
}

.footer h2 {
  margin-bottom: 22px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.footer-contact a {
  color: var(--accent);
  font-size: 22px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .site-header {
    height: 68px;
    padding: 0 22px;
  }

  .brand img {
    width: 145px;
  }

  .hero,
  .section,
  .footer {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero {
    min-height: 86vh;
    padding-top: 128px;
    background-position: 64% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.54) 52%, rgba(0,0,0,0.35) 100%),
      linear-gradient(0deg, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0) 52%);
  }

  .cards.three,
  .team-grid,
  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 210px;
  }

  .bmw-image img {
    height: 520px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-contact {
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .contact-button {
    padding-right: 0;
    font-size: 12px;
  }

  .section {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .card,
  .person-card {
    border-radius: 22px;
    padding: 24px;
  }

  .bmw-image img {
    height: 430px;
  }

  .footer-contact a {
    font-size: 18px;
  }
}