:root {
  --ink: #ffffff;
  --muted: #d0d0d0;
  --line: #303030;
  --surface: #111111;
  --panel: #202020;
  --panel-soft: #161616;
  --accent: #e10600;
  --accent-dark: #a90400;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Montserrat, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 5%;
  color: #fff;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(8px);
}

.brand img {
  width: 154px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 13px;
  font-weight: 700;
}

.nav-links a,
.header-action {
  opacity: 0.9;
}

.nav-links a:hover,
.header-action:hover {
  opacity: 1;
}

.header-action {
  border-radius: 8px;
  padding: 10px 18px;
  background: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
  filter: saturate(0.82) brightness(0.56);
}

.hero-shade {
  background:
    radial-gradient(circle at top, rgba(225, 6, 0, 0.28), transparent 55%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.86)),
    linear-gradient(90deg, rgba(0, 0, 0, 0.76), rgba(0, 0, 0, 0.28));
}

.hero-content {
  position: relative;
  width: min(900px, calc(100% - 36px));
  padding: 122px 20px 84px;
  text-align: center;
}

.hero-logo {
  width: min(560px, 88vw);
  margin: 0 auto 22px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(38px, 6vw, 78px);
  line-height: 1;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin-inline: auto;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.button,
.contact-form button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  padding: 0 24px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button.primary,
.contact-form button {
  color: #fff;
  background: var(--accent);
}

.button.primary:hover,
.contact-form button:hover,
.header-action:hover {
  background: var(--accent-dark);
}

.button.secondary {
  color: #fff;
  border: 2px solid #fff;
  background: transparent;
}

.section {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.model-preview {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: -44px;
}

.metric {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric strong {
  display: block;
  color: var(--accent);
  font-size: 34px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.section-heading {
  max-width: 760px;
  padding: 92px 0 34px;
}

.section-heading h2,
.contact-section h2 {
  margin-bottom: 12px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
}

.section-heading p,
.contact-section p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  padding-bottom: 86px;
}

.model-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.model-card.featured {
  border-color: rgba(225, 6, 0, 0.72);
  box-shadow: var(--shadow);
}

.model-card img {
  width: 100%;
  aspect-ratio: 1.25;
  object-fit: cover;
  background: var(--panel-soft);
}

.model-body {
  padding: 24px;
}

.model-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.model-title h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.model-title span {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 9px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  white-space: nowrap;
}

.model-body p {
  color: var(--muted);
  line-height: 1.58;
}

.model-body ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: #f2f2f2;
  font-size: 14px;
  font-weight: 700;
}

.model-body li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  background: var(--accent);
}

.service-band {
  padding: 0 clamp(18px, 5vw, 72px) 78px;
  background: #161616;
  color: #fff;
}

.section-heading.compact {
  width: min(1160px, 100%);
  margin: 0 auto;
  padding-bottom: 28px;
}

.service-grid {
  display: grid;
  width: min(1160px, 100%);
  margin: 0 auto;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-item {
  min-height: 190px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.service-icon {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.service-item h3 {
  margin: 28px 0 12px;
  font-size: 22px;
}

.service-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
}

.contact-section {
  display: grid;
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 6vw, 84px);
  padding: 86px 0;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #f2f2f2;
  font-size: 13px;
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: #ffffff;
  background: #161616;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: #000000;
  font-size: 14px;
}

footer span:first-child {
  color: #fff;
  font-weight: 900;
}

@media (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
    gap: 12px;
    padding-inline: 18px;
  }

  .brand img {
    width: 136px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 14px;
  }
}

@media (max-width: 880px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-content {
    padding: 126px 0 78px;
  }

  .model-preview,
  .model-grid,
  .service-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .model-preview {
    margin-top: 0;
    padding-top: 18px;
  }

  .section-heading {
    padding-top: 72px;
  }

  .service-band,
  .contact-section {
    padding-block: 70px;
  }

  footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand img {
    width: 124px;
  }

  .header-action {
    padding: 9px 11px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .metric,
  .model-body,
  .service-item,
  .contact-form {
    padding: 20px;
  }
}