:root {
  --black: #0b0b0b;
  --ink: #132033;
  --steel: #243447;
  --mid: #5b6675;
  --line: #d5dde6;
  --fog: #f3f6f9;
  --fog-warm: #f7f1e8;
  --white: #ffffff;
  --navy: #0e3a55;
  --navy-deep: #0a2b40;
  --teal: #1a6b7a;
  --amber: #d97706;
  --amber-hot: #ea580c;
  --sand: #f0e6d4;
  --success: #146c2e;
  --danger: #b42318;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Barlow", system-ui, sans-serif;
  color: var(--ink);
  background: #fbfcfe;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy-deep);
  border-bottom: 3px solid var(--amber);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 84px; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand img { height: 58px; width: auto; background: #fff; border-radius: 4px; padding: 4px 6px; }
.brand span { font-weight: 700; letter-spacing: 0.06em; font-size: 0.95rem; }
.brand small { display: block; color: #c9d7e2; font-weight: 500; letter-spacing: 0.08em; font-size: 0.68rem; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: #d7e4ee; font-size: 0.92rem; font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--amber); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; font-size: 0.74rem; transition: 0.2s ease;
}
.btn-white { background: var(--amber); color: #111; }
.btn-white:hover { background: #f59e0b; color: #111; }
.btn-black { background: var(--navy); color: #fff; }
.btn-black:hover { background: var(--teal); }
.btn-line { border: 1px solid #fff; color: #fff; }
.btn-line:hover { background: var(--amber); border-color: var(--amber); color: #111; }
.btn-amber { background: var(--amber); color: #111; }
.btn-amber:hover { background: #f59e0b; }
.menu-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.7rem; }

.hero {
  position: relative; min-height: 86vh;
  display: grid; align-items: end;
  background: #000 center/cover no-repeat;
  color: #fff;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(10, 43, 64, 0.88) 0%, rgba(10, 43, 64, 0.55) 42%, rgba(14, 58, 85, 0.25) 68%, rgba(0, 0, 0, 0.15) 100%),
    linear-gradient(180deg, rgba(10, 43, 64, 0.35) 0%, rgba(10, 43, 64, 0.82) 100%);
}
.hero-inner { position: relative; z-index: 1; padding: 80px 0 70px; max-width: 720px; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.22em;
  font-size: 0.74rem; font-weight: 700; margin-bottom: 14px; color: var(--amber);
}
.hero .eyebrow { color: #fbbf24; text-shadow: 0 1px 8px rgba(10, 43, 64, 0.55); }
h1, h2, h3 { font-family: "Barlow Condensed", "Barlow", sans-serif; line-height: 1.08; font-weight: 700; text-transform: uppercase; }
h1 { font-size: clamp(2.6rem, 6vw, 5rem); max-width: 16ch; margin-bottom: 16px; }
.hero h1 {
  color: #ffffff;
  text-shadow: 0 2px 18px rgba(10, 43, 64, 0.75), 0 1px 2px rgba(0, 0, 0, 0.55);
}
.lede { max-width: 52ch; font-size: 1.12rem; color: #e6e6e6; margin-bottom: 28px; font-weight: 400; text-transform: none; }
.hero .lede {
  color: #e8f1f6;
  text-shadow: 0 1px 10px rgba(10, 43, 64, 0.7);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

section { padding: 80px 0; }
.section-head { max-width: 680px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.8rem); margin: 8px 0 12px; color: var(--navy); }
.section-head .eyebrow { color: var(--teal); }
.muted { color: var(--mid); text-transform: none; font-family: "Barlow", sans-serif; font-weight: 400; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--fog); padding: 26px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--teal);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  border-top-color: var(--amber);
  box-shadow: 0 8px 24px rgba(14, 58, 85, 0.08);
}
.card h3 { font-size: 1.35rem; margin-bottom: 8px; color: var(--navy); }
.card a strong { color: var(--teal); }
.card a:hover strong { color: var(--amber-hot); }
.num { font-weight: 700; letter-spacing: 0.14em; font-size: 0.75rem; color: var(--amber-hot); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.split img { width: 100%; height: 440px; object-fit: cover; }
.bw { background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 55%, var(--teal) 100%); color: #fff; }
.bw .muted { color: #d5e4ec; }
.bw .eyebrow { color: #fbbf24; }

.mosaic { display: grid; grid-template-columns: 1.2fr 1fr; gap: 10px; }
.mosaic img { width: 100%; height: 220px; object-fit: cover; }
.mosaic img:first-child { grid-row: span 2; height: 450px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
.stat { border-top: 1px solid rgba(251, 191, 36, 0.45); padding-top: 14px; }
.stat b { display: block; font-size: 1.15rem; letter-spacing: 0.04em; }

form { display: grid; gap: 12px; }
label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
input, select, textarea {
  width: 100%; padding: 12px 12px; border: 1px solid var(--line);
  font: inherit; background: #fff;
}
textarea { min-height: 130px; resize: vertical; }

.footer, footer { background: var(--navy-deep); color: #b8c9d6; padding: 48px 0 24px; }
footer a { color: #d7e4ee; }
footer a:hover { color: var(--amber); }
.foot { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 28px; margin-bottom: 24px; }
.copy { border-top: 1px solid #1f4560; padding-top: 16px; font-size: 0.82rem; }
.foot-logo { height: 70px; width: auto; background: #fff; padding: 6px; margin-bottom: 12px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 84px; left: 0; right: 0;
    background: var(--navy-deep); padding: 18px; gap: 14px;
  }
  .menu-toggle { display: block; }
  .grid-3, .stats, .split, .foot, .mosaic { grid-template-columns: 1fr; }
  .split img, .mosaic img, .mosaic img:first-child { height: 260px; }
  .hero { min-height: 76vh; }
  .brand img { height: 46px; }
}

.diesel-ad {
  background: linear-gradient(90deg, var(--navy-deep), var(--navy) 45%, #164e63);
  color: #fff;
  border-top: 1px solid #1f4560;
  border-bottom: 3px solid var(--amber);
}
.diesel-ad .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 18px 0; flex-wrap: wrap;
}
.diesel-ad h3 { font-size: 1.15rem; margin: 0 0 4px; }
.price-row { display: flex; gap: 18px; flex-wrap: wrap; }
.price-box { min-width: 140px; }
.price-box b { display: block; font-size: 1.55rem; letter-spacing: 0.02em; color: #fbbf24; }
.price-box span { font-size: 0.78rem; color: #cfe0ea; text-transform: none; font-family: "Barlow", sans-serif; font-weight: 400; }
.note { font-size: 0.78rem; color: #c5d6e2; max-width: 36ch; text-transform: none; font-family: "Barlow", sans-serif; font-weight: 400; }
.contact-list { list-style: none; margin-top: 16px; }
.contact-list li { margin: 6px 0; }
.contact-list a { text-decoration: underline; text-underline-offset: 3px; }
.brand-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.pill { border: 1px solid var(--navy); color: var(--navy); background: var(--sand); padding: 8px 12px; font-weight: 700; letter-spacing: 0.06em; font-size: 0.78rem; }
.nav-links { gap: 16px; }
@media (max-width: 1100px) {
  .nav-links a { font-size: 0.85rem; }
}

.desk-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.desk-tab {
  text-align: left; background: var(--fog); border: 2px solid transparent;
  padding: 22px; cursor: pointer; font: inherit; color: inherit;
}
.desk-tab h3 { margin-bottom: 6px; }
.desk-tab.active, .desk-tab:hover { border-color: var(--amber); background: #fff; }
.desk-tab.active { border-top: 3px solid var(--amber); }
.desk-panel { display: none; margin-top: 28px; }
.desk-panel.active { display: block; }
.desk-panel .card { max-width: 560px; }
.desk-to { font-size: 0.9rem; margin-bottom: 14px; }
@media (max-width: 800px) {
  .desk-tabs { grid-template-columns: 1fr; }
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(217, 119, 6, 0.35);
  border-color: var(--amber);
}
input.is-invalid,
textarea.is-invalid,
select.is-invalid {
  border-color: var(--danger) !important;
  background: #fff5f4;
}
.field-error {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 6px;
}
.form-banner {
  font-size: 0.9rem;
  padding: 10px 12px;
  margin-bottom: 14px;
}
.form-banner.error { background: #fff5f4; color: var(--danger); }
.form-banner.ok { background: #eef8ee; color: var(--success); }
@media (max-width: 1200px) {
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 0.82rem; }
}

.brand-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 22px 0 28px; }
.brand-tabs a, .brand-tabs span {
  border: 1px solid var(--navy); padding: 10px 16px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.75rem;
  color: var(--navy);
}
.brand-tabs a.active, .brand-tabs a:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.brand-tabs .soon { opacity: 0.45; cursor: default; }
.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.product-card { background: var(--fog); padding: 12px 12px 16px; border-top: 3px solid var(--teal); }
.product-card img { width: 100%; aspect-ratio: 1; object-fit: contain; background: #fff; }
.product-card h3 { font-size: 1rem; margin: 10px 0 4px; }
.product-card .price { font-weight: 700; }
.product-card .hint { font-size: 0.78rem; color: var(--mid); }
@media (max-width: 900px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .product-grid { grid-template-columns: 1fr; } }

.client-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin: 24px 0 28px;
}
.client-tab {
  border: 1px solid var(--navy);
  background: #fff;
  color: var(--navy);
  padding: 12px 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.72rem;
  cursor: pointer;
  font-family: inherit;
}
.client-tab.active, .client-tab:hover { background: var(--amber); color: #111; border-color: var(--amber); }
.client-tab.reserved { opacity: 0.4; }
.client-panel { display: none; }
.client-panel.active { display: block; }
.brand-hero {
  display: grid;
  grid-template-columns: 280px 1fr auto;
  gap: 28px;
  align-items: center;
  margin-bottom: 32px;
}
.brand-hero img.logo { width: 100%; max-height: 180px; object-fit: contain; background: #fff; padding: 10px; }
.brand-hero img.logo.dark { background: #000; }
.rsa-badge { width: 110px; height: auto; }
.tm-row { display: flex; align-items: center; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
@media (max-width: 900px) {
  .client-tabs { grid-template-columns: repeat(2, 1fr); }
  .brand-hero { grid-template-columns: 1fr; }
}