:root {
  --asphalt: #1b1e21;
  --asphalt-2: #262a2e;
  --steel: #3a4046;
  --amber: #f2a900;
  --amber-ink: #9a5a00;
  --clay: #8a5a34;
  --sand: #f5f0e7;
  --paper: #ffffff;
  --text: #22262a;
  --muted: #555d65;
  --line: #e2dccf;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(27, 30, 33, .08);
  --font-head: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --font-body: "Barlow", "Segoe UI", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
}
h1, h2, h3 { font-family: var(--font-head); line-height: 1.1; margin: 0 0 .6em; letter-spacing: .01em; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); text-transform: uppercase; }
h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); text-transform: uppercase; }
h3 { font-size: 1.45rem; }
p { margin: 0 0 1em; }
a { color: var(--amber-ink); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

.container { width: min(1160px, 100% - 2.5rem); margin-inline: auto; }

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 100;
  background: var(--amber); color: var(--asphalt); padding: .6rem 1rem;
  font-weight: 600; border-radius: 8px; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(27, 30, 33, .96);
  backdrop-filter: blur(6px);
  border-bottom: 3px solid var(--amber);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 1rem; }
.brand {
  font-family: var(--font-head); font-weight: 700; font-size: 1.6rem;
  letter-spacing: .06em; color: #fff; text-decoration: none; margin: 0;
}
.brand span { color: var(--amber); }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .4rem; }
.site-nav a {
  display: block; padding: .5rem .9rem; color: #e9e6df; text-decoration: none;
  font-weight: 500; border-radius: 8px;
}
.site-nav a:hover { color: var(--asphalt); background: var(--amber); }
.nav-toggle { display: none; }

@media (max-width: 767px) {
  .js .nav-toggle {
    display: inline-flex; align-items: center; gap: .55rem;
    background: transparent; color: #fff; border: 1px solid var(--steel);
    padding: .5rem .8rem; border-radius: 8px; font: 600 1rem var(--font-body); cursor: pointer;
  }
  .nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
    display: block; width: 18px; height: 2px; background: var(--amber); position: relative;
  }
  .nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
  .nav-toggle__bars::before { top: -6px; }
  .nav-toggle__bars::after { top: 6px; }
  .js .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--asphalt); border-bottom: 3px solid var(--amber);
  }
  .js .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; padding: .75rem 1.25rem 1rem; }
  .site-nav a { padding: .8rem .5rem; }
}

/* Buttons */
.btn {
  display: inline-block; padding: .85rem 1.5rem; border-radius: 10px;
  font-weight: 600; text-decoration: none; border: 2px solid transparent;
  transition: transform .15s ease, background-color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--amber); color: var(--asphalt); }
.btn-primary:hover { background: #ffbd1f; }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

/* Hero */
.hero {
  position: relative; color: #ece9e2;
  background:
    radial-gradient(circle at 85% 20%, rgba(242, 169, 0, .14), transparent 45%),
    linear-gradient(160deg, var(--asphalt) 0%, var(--asphalt-2) 60%, #30353a 100%);
}
.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center;
  padding: 5.5rem 0 5rem;
}
.eyebrow {
  display: inline-block; font-weight: 600; text-transform: uppercase; letter-spacing: .14em;
  font-size: .85rem; color: var(--amber); margin-bottom: 1.1rem;
}
.hero h1 { color: #fff; }
.lead { font-size: 1.15rem; max-width: 36em; color: #d7d3ca; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.8rem 0 2rem; }
.hero-facts { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; }
.hero-facts li { position: relative; padding-left: 1.1rem; font-weight: 500; color: #e9e6df; }
.hero-facts li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px;
  background: var(--amber); transform: rotate(45deg);
}
.hero-art { position: relative; justify-self: center; width: min(360px, 100%); }
.strata {
  position: relative; aspect-ratio: 1 / 1; border-radius: 20px; overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, .35);
  background: linear-gradient(to bottom,
    #2c3136 0 20%, #6b4a2b 20% 42%, #84603c 42% 62%, #a3825a 62% 80%, #c4aa82 80% 100%);
}
.strata-road {
  position: absolute; left: 0; right: 0; top: 9%; height: 5px;
  background: repeating-linear-gradient(90deg, var(--amber) 0 30px, transparent 30px 54px);
}
.strata-bore {
  position: absolute; left: 64%; top: 20%; bottom: 10%; width: 12px; border-radius: 0 0 8px 8px;
  background: repeating-linear-gradient(to bottom, #1b1e21 0 12px, #3a4046 12px 24px);
}
.strata-bore::after {
  content: ""; position: absolute; left: 50%; bottom: -10px; transform: translateX(-50%);
  border-left: 10px solid transparent; border-right: 10px solid transparent; border-top: 14px solid var(--amber);
}
.strata-bore--short { left: 30%; bottom: 38%; }
.hero-badge {
  position: absolute; left: -1rem; bottom: 1.5rem;
  background: var(--amber); color: var(--asphalt); font-family: var(--font-head);
  font-weight: 700; font-size: 1.2rem; text-transform: uppercase; letter-spacing: .06em;
  padding: .5rem 1rem; border-radius: 8px; box-shadow: var(--shadow);
}
.hazard {
  height: 14px;
  background: repeating-linear-gradient(-45deg, var(--amber) 0 16px, var(--asphalt) 16px 32px);
}

/* Sections */
.section { padding: 5rem 0; }
.section-alt { background: var(--sand); }
.section-head { max-width: 640px; margin-bottom: 2.5rem; }
.section-head p:last-child { color: var(--muted); }
.kicker {
  font-weight: 600; text-transform: uppercase; letter-spacing: .14em; font-size: .85rem;
  color: var(--amber-ink); margin-bottom: .5rem;
}

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.card {
  position: relative; background: var(--paper); border: 1px solid var(--line);
  border-top: 5px solid var(--asphalt); border-radius: var(--radius);
  padding: 1.6rem 1.4rem 1.3rem; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.card:hover { border-top-color: var(--amber); }
.card-num {
  font-family: var(--font-head); font-weight: 700; font-size: 2.4rem; line-height: 1;
  color: var(--clay); margin-bottom: .8rem;
}
.card p { color: var(--muted); }
.card-code {
  margin: auto 0 0; padding-top: .8rem; border-top: 1px dashed var(--line);
  font-size: .85rem; font-weight: 600; letter-spacing: .05em; color: var(--text) !important;
}

.about { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: start; }
.facts {
  margin: 0; background: var(--asphalt); color: #ece9e2; border-radius: var(--radius);
  padding: 1.5rem 1.6rem; box-shadow: var(--shadow);
}
.facts div { padding: .85rem 0; border-bottom: 1px solid var(--steel); }
.facts div:last-child { border-bottom: 0; }
.facts dt { font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: var(--amber); font-weight: 600; }
.facts dd { margin: .2rem 0 0; font-weight: 500; }

.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.contact-card {
  background: var(--sand); border-left: 5px solid var(--amber); border-radius: var(--radius);
  padding: 1.6rem 1.6rem 1.3rem;
}
.contact-card address { font-style: normal; font-size: 1.1rem; line-height: 1.7; }
.text-link { font-weight: 600; }
.text-link:hover { color: var(--asphalt); }

/* Footer */
.site-footer { background: var(--asphalt); color: #cfcbc2; font-size: .95rem; border-top: 3px solid var(--amber); }
.footer-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 2rem; padding: 3rem 0 2rem; }
.brand-footer { margin-bottom: .5rem; }
.footer-legal p { margin: 0; line-height: 1.8; }
.footer-legal strong { color: #fff; }
.footer-bottom { border-top: 1px solid var(--steel); padding: 1.2rem 0 1.6rem; font-size: .88rem; }
.footer-bottom p { margin: 0; }

/* Responsive */
@media (max-width: 1023px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; padding: 4rem 0 3.5rem; gap: 2.5rem; }
  .hero-art { width: min(280px, 80%); }
  .about, .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cards, .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 3.75rem 0; }
  .hero-badge { left: -.5rem; }
}