:root {
  --ink: #10272a;
  --petrol: #123f42;
  --petrol-dark: #071e20;
  --paper: #fbfaf7;
  --sand: #f3efe8;
  --royal: #1746a2;
  --orange: #f26a21;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
p { line-height: 1.75; }

.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 14px; color: #fff; background: var(--petrol-dark); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; min-height: 88px; padding: 0 5vw; border-bottom: 1px solid #10272a1a; background: #fbfaf7f2; backdrop-filter: blur(14px); }
.site-logo { width: clamp(205px, 20vw, 270px); }
.site-nav { display: flex; align-items: center; gap: 26px; font-size: 12px; }
.site-nav a { border-bottom: 1px solid transparent; padding-bottom: 4px; }
.site-nav a:hover, .site-nav a:focus-visible { border-color: var(--orange); }
.site-nav .nav-cta { padding: 13px 17px; color: #fff; background: var(--petrol); border: 0; }

.product-hero { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 680px; color: #fff; background: var(--petrol-dark); }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(70px, 8vw, 120px) 7vw; }
.breadcrumbs, .eyebrow { margin: 0 0 25px; text-transform: uppercase; letter-spacing: .15em; font-size: 10px; }
.breadcrumbs { color: #ffffff9a; }
.breadcrumbs a { color: #fff; }
.hero-copy h1 { max-width: 800px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(54px, 7vw, 100px); font-weight: 400; line-height: .94; letter-spacing: -.05em; }
.hero-copy > p:not(.breadcrumbs) { max-width: 650px; margin: 30px 0 0; color: #ffffffc2; font-size: clamp(15px, 1.4vw, 19px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 13px 18px; border: 1px solid currentColor; text-transform: uppercase; letter-spacing: .09em; font-size: 10px; }
.button-primary { color: var(--petrol-dark); background: #fff; border-color: #fff; }
.button-secondary { color: #fff; }
.hero-visual { position: relative; min-height: 540px; overflow: hidden; background: var(--royal); }
.hero-visual img { height: 100%; object-fit: cover; }
.hero-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #071e205c, transparent 38%), linear-gradient(0deg, #071e2040, transparent 44%); }
.hero-badge { position: absolute; z-index: 2; right: 24px; bottom: 24px; max-width: 230px; padding: 18px; border: 1px solid #ffffff66; color: #fff; background: #071e20b8; font-size: 11px; line-height: 1.6; backdrop-filter: blur(10px); }

.intro-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 9vw; padding: clamp(84px, 10vw, 140px) 7vw; }
.section-title h2, .faq h2, .related h2, .visit h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(44px, 5.6vw, 78px); font-weight: 400; line-height: .98; letter-spacing: -.045em; }
.section-title p { max-width: 430px; color: #10272aa0; font-size: 13px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid #10272a2a; }
.feature { min-height: 205px; padding: 28px 26px 32px 0; border-bottom: 1px solid #10272a2a; }
.feature:nth-child(even) { padding-left: 26px; border-left: 1px solid #10272a2a; }
.feature b { color: var(--royal); font-size: 11px; }
.feature h3 { margin: 14px 0 10px; font-family: Georgia, "Times New Roman", serif; font-size: 26px; font-weight: 400; }
.feature p { margin: 0; color: #10272a99; font-size: 12px; }

.guide { padding: clamp(80px, 9vw, 120px) 7vw; color: #fff; background: var(--petrol); }
.guide-head { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: end; }
.guide h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(44px, 5.4vw, 76px); font-weight: 400; line-height: .98; }
.guide-head > p { color: #ffffffa8; font-size: 13px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 55px; border-top: 1px solid #ffffff38; }
.step { padding: 26px 24px 0 0; }
.step + .step { padding-left: 24px; border-left: 1px solid #ffffff38; }
.step span { color: #ffaf72; font-size: 10px; }
.step h3 { margin: 15px 0 9px; font-family: Georgia, "Times New Roman", serif; font-size: 23px; font-weight: 400; }
.step p { margin: 0; color: #ffffff9c; font-size: 12px; }

.distance-table { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 48px; }
.distance-card { padding: 28px; border: 1px solid #ffffff38; background: #ffffff08; }
.distance-card strong { display: block; color: #ffaf72; font-family: Georgia, "Times New Roman", serif; font-size: 50px; font-weight: 400; }
.distance-card h3 { margin: 12px 0 8px; font-size: 15px; }
.distance-card p { margin: 0; color: #ffffff9c; font-size: 12px; }

.note { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; padding: 76px 7vw; background: var(--sand); }
.note h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(36px, 4.6vw, 60px); font-weight: 400; line-height: 1; }
.note p { margin: 0; color: #10272aa0; font-size: 13px; }

.faq { padding: clamp(84px, 9vw, 125px) 7vw; }
.faq-list { max-width: 880px; margin: 48px auto 0; border-top: 1px solid #10272a2a; }
.faq details { border-bottom: 1px solid #10272a2a; padding: 20px 0; }
.faq summary { cursor: pointer; font-family: Georgia, "Times New Roman", serif; font-size: 22px; }
.faq details p { max-width: 760px; color: #10272a9c; font-size: 13px; }

.related { padding: clamp(76px, 8vw, 110px) 7vw; color: #fff; background: var(--petrol-dark); }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 42px; }
.related-card { min-height: 200px; padding: 28px; border: 1px solid #ffffff2e; }
.related-card span { color: #ffaf72; text-transform: uppercase; letter-spacing: .12em; font-size: 9px; }
.related-card h3 { margin: 17px 0 10px; font-family: Georgia, "Times New Roman", serif; font-size: 28px; font-weight: 400; }
.related-card p { color: #ffffff99; font-size: 12px; }
.related-card a { display: inline-block; margin-top: 6px; border-bottom: 1px solid #ffffff80; font-size: 11px; }

.visit { padding: clamp(80px, 9vw, 120px) 7vw; text-align: center; }
.visit > p { max-width: 700px; margin: 24px auto 35px; color: #10272a9c; font-size: 13px; }
.unit-links { display: grid; grid-template-columns: repeat(2, minmax(0, 380px)); justify-content: center; gap: 12px; }
.unit-link { padding: 22px; border: 1px solid #10272a2b; text-align: left; }
.unit-link b { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 25px; font-weight: 400; }
.unit-link span { display: block; margin-top: 7px; color: #10272a88; font-size: 11px; line-height: 1.6; }

.site-footer { display: grid; grid-template-columns: 1.2fr 1fr; gap: 8vw; padding: 60px 7vw 28px; color: #fff; background: var(--petrol-dark); }
.footer-logo { width: min(280px, 100%); filter: none; }
.site-footer p { color: #ffffff8f; font-size: 11px; }
.footer-links { display: flex; flex-direction: column; gap: 11px; font-size: 12px; }
.footer-links a:hover { color: #ffaf72; }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 18px; margin-top: 32px; padding-top: 22px; border-top: 1px solid #ffffff24; color: #ffffff61; font-size: 9px; text-transform: uppercase; letter-spacing: .09em; }
.back-to-top { position: fixed; right: 18px; bottom: 18px; z-index: 15; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: #fff; background: #1746a2e8; box-shadow: 0 12px 28px #071e203d; }

@media (max-width: 900px) {
  .site-nav a:not(.nav-cta) { display: none; }
  .product-hero, .intro-grid, .guide-head, .note { grid-template-columns: 1fr; }
  .hero-visual { min-height: 430px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(3) { padding-left: 0; border-left: 0; }
  .distance-table { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-header { min-height: 72px; padding: 0 5vw; }
  .site-logo { width: 185px; }
  .site-nav .nav-cta { padding: 11px 12px; font-size: 9px; }
  .hero-copy { padding: 66px 7vw; }
  .hero-copy h1 { font-size: clamp(48px, 15vw, 68px); }
  .feature-grid, .related-grid, .unit-links, .steps { grid-template-columns: 1fr; }
  .feature:nth-child(even), .step + .step { padding-left: 0; border-left: 0; }
  .hero-visual { min-height: 360px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
