:root {
  --ink: #111318;
  --muted: #626978;
  --line: #d8dde6;
  --paper: #f5f7fa;
  --white: #ffffff;
  --red: #d10f2f;
  --red-dark: #9f0921;
  --steel: #27313d;
  --green: #2f7d68;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 68px;
  padding: 0 34px;
  color: var(--white);
  background: linear-gradient(180deg, rgba(10, 12, 16, 0.72), rgba(10, 12, 16, 0));
}

.brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 4px;
}

.nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
}

.header-action {
  justify-self: end;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: end;
  padding: 118px 7vw 90px;
  overflow: hidden;
  color: var(--white);
  background: #15181d;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 9, 13, 0.38), rgba(7, 9, 13, 0.18) 42%, rgba(7, 9, 13, 0.82)),
    url("https://images.unsplash.com/photo-1617788138017-80ad40651399?auto=format&fit=crop&w=1800&q=85") center / cover;
  transform: scale(1.02);
}

.hero-content {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ff536b;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(72px, 12vw, 158px);
  line-height: 0.86;
  font-weight: 800;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 72px);
  line-height: 0.98;
}

h3 {
  margin-bottom: 8px;
  font-size: 25px;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.hero p {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
}

.hero-actions,
.cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
}

.button.primary {
  background: var(--red);
  color: var(--white);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.14);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.button.dark {
  background: var(--ink);
}

.models-section,
.feature-band,
.experience,
.cta {
  padding: 96px 7vw;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 34px;
  margin-bottom: 34px;
}

.section-heading h2 {
  max-width: 680px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.model-card {
  overflow: hidden;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 44px rgba(22, 28, 36, 0.08);
}

.model-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.model-copy {
  padding: 24px;
}

.model-copy p {
  margin-bottom: 0;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.84fr);
  gap: 64px;
  align-items: center;
  background: var(--white);
}

.feature-copy {
  max-width: 680px;
}

.stats {
  display: grid;
  gap: 14px;
}

.stats div {
  display: grid;
  gap: 7px;
  padding: 24px;
  border-left: 4px solid var(--red);
  background: var(--paper);
}

.stats strong {
  font-size: 34px;
  line-height: 1;
}

.stats span {
  color: var(--muted);
  line-height: 1.45;
}

.experience {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1fr);
  gap: 58px;
  align-items: center;
  background: #e9edf2;
}

.experience-image {
  min-height: 520px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(16, 19, 24, 0.08), rgba(16, 19, 24, 0.42)),
    url("https://images.unsplash.com/photo-1536700503339-1e4b06520771?auto=format&fit=crop&w=1200&q=85") center / cover;
}

.experience-content {
  max-width: 630px;
}

.cta {
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--white);
}

.cta p {
  max-width: 670px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 7vw;
  color: var(--white);
  background: var(--ink);
  font-size: 14px;
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 20px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding: 110px 24px 64px;
  }

  .models-section,
  .feature-band,
  .experience,
  .cta {
    padding: 70px 24px;
  }

  .section-heading,
  .feature-band,
  .experience {
    display: block;
  }

  .model-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    margin-top: 28px;
  }

  .experience-image {
    min-height: 360px;
    margin-bottom: 30px;
  }
}

@media (max-width: 520px) {
  .site-header {
    min-height: 62px;
  }

  .brand {
    font-size: 17px;
    letter-spacing: 3px;
  }

  .header-action {
    padding: 9px 14px;
  }

  h1 {
    font-size: 64px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-actions,
  .button,
  .site-footer {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}