:root {
  --bg: #0b1220;
  --bg-elevated: #111b2e;
  --bg-muted: #0f172a;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dim: #0ea5e9;
  --border: #1e293b;
  --max-width: 72rem;
  --radius: 0.5rem;
  --font: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover { color: #7dd3fc; }

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text);
  line-height: 1.2;
}

.logo-mark {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.logo-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
}

/* Hero */
.hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(180deg, var(--bg-muted) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.15;
  font-weight: 700;
}

.hero-lead {
  margin: 0 0 1.75rem;
  color: var(--text-muted);
  max-width: 38ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  opacity: 0.9;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-dim);
  color: #0b1220;
}

.btn-primary:hover {
  background: var(--accent);
  color: #0b1220;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-muted {
  background: var(--bg-muted);
  border-block: 1px solid var(--border);
}

.section-header {
  margin-bottom: 2rem;
  max-width: 42rem;
}

.section-header h2,
.page-header h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.section-header p,
.lead {
  margin: 0;
  color: var(--text-muted);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 1rem;
}

.card {
  display: block;
  padding: 1.25rem 1.35rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
}

.card:hover {
  border-color: var(--accent-dim);
}

.card h2,
.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

/* Service cards */
.card-grid-services {
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
}

.card-service {
  padding: 0;
  overflow: hidden;
}

.card-art {
  border-bottom: 1px solid var(--border);
  background: var(--bg-muted);
}

.card-art img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.card-body {
  padding: 1.25rem 1.35rem 1.35rem;
}

.card-service h2 {
  font-size: 1.05rem;
}

/* Service page */
.service-hero {
  padding: 2.5rem 0;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border);
}

.service-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.service-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
}

.service-hero-art img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.service-content {
  max-width: 46rem;
}

.service-related {
  padding-top: 2rem;
}

.services-index .content {
  padding-bottom: 1rem;
}

/* Tooling */
.tooling-section {
  padding: 2.5rem 0;
}

.tooling-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 1rem;
}

.tooling-group {
  padding: 1.1rem 1.2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.tooling-group h3 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.tooling-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tooling-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.tooling-list li + li {
  margin-top: 0.2rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

/* Split / facts */
.split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.split p {
  color: var(--text-muted);
}

.facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.facts li {
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.facts strong {
  display: block;
  color: var(--text);
  font-size: 1.05rem;
  margin-bottom: 0.15rem;
}

/* CTA band */
.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.cta-band p {
  margin: 0.5rem 0 0;
  color: var(--text-muted);
  max-width: 40ch;
}

/* Page layout */
.page-header {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-muted);
}

.content {
  padding: 2rem 0 3.5rem;
}

.content h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.35rem;
}

.content h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.1rem;
}

.content p,
.content li {
  color: var(--text-muted);
}

.content ul {
  padding-left: 1.25rem;
}

.content li + li {
  margin-top: 0.35rem;
}

.service-list {
  margin-top: 2rem;
}

/* Contact */
.contact-block {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-block p {
  margin: 0.25rem 0;
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1.5rem;
}

.footer-inner p {
  margin: 0.35rem 0;
  color: var(--text-muted);
}

.footer-meta {
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-inner,
  .split,
  .service-hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .service-hero-art {
    order: -1;
  }

  .nav {
    gap: 1rem;
  }

  .logo-sub {
    display: none;
  }
}