:root {
  --bg-canvas: #ffffff;
  --bg-surface: #f3f2ef;
  --bg-surface-hover: #ebe8e3;
  --text-primary: #292524;
  --text-muted: #57534e;
  --accent-primary: #b64224;
  --accent-secondary: #8c2f16;
  --border-subtle: rgba(182, 66, 36, 0.22);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 12px 32px -4px rgba(41, 37, 36, 0.12);
  --glow-accent: 0 0 24px -4px rgba(182, 66, 36, 0.28);
  --glass-backdrop: blur(16px) saturate(180%);
  --radius-card: 20px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: system-ui, "Segoe UI", sans-serif;
  line-height: 1.65;
  overflow-wrap: anywhere;
  hyphens: auto;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

h1 { font-size: clamp(2rem, 4vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
  margin-bottom: 1.15rem;
  max-width: 70ch;
}

a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

a:hover, a:focus-visible {
  color: var(--accent-secondary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-card);
  object-fit: cover;
  background-color: var(--bg-surface);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.band-white {
  background-color: var(--bg-canvas);
  padding: 4rem 0;
}

.band-grey {
  background-color: var(--bg-surface);
  padding: 4rem 0;
}

.band-copper-radial {
  background: radial-gradient(circle at 75% 30%, rgba(182, 66, 36, 0.14) 0%, rgba(243, 242, 239, 0.9) 55%, var(--bg-surface) 100%);
  padding: 4rem 0;
}

/* Header: static scroll away, far-left brand, nav on row below */
.site-header {
  position: relative;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.25rem 0 0.75rem;
}

.header-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  background-color: var(--accent-primary);
  border-radius: 6px;
  display: inline-block;
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 2px solid #ffffff;
  border-radius: 2px;
}

.nav-row {
  border-top: 1px solid rgba(41, 37, 36, 0.08);
  padding-top: 0.75rem;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  align-items: center;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.mobile-dots-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.35rem;
  line-height: 1;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}

/* Hero & Three-Fact Overlay */
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-visual-wrap {
  position: relative;
}

.hero-illustration {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
}

.fact-overlay-panel {
  margin-top: -2.5rem;
  margin-left: 1.25rem;
  margin-right: 1.25rem;
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.35rem;
  box-shadow: var(--shadow-elevation);
}

.fact-list {
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.fact-list li {
  font-size: 0.9rem;
  border-left: 3px solid var(--accent-primary);
  padding-left: 0.75rem;
}

.fact-list strong {
  display: block;
  color: var(--accent-primary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Buttons: Outlined, square ends, uppercase, letter-spaced */
.btn-outline {
  display: inline-block;
  border: 2px solid var(--accent-primary);
  background-color: transparent;
  color: var(--accent-primary);
  border-radius: 0;
  padding: 0.8rem 1.5rem;
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease-kinetic), background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background-color: var(--accent-primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevation), var(--glow-accent);
}

/* Cards & Copper-tinted fields */
.copper-field {
  background: linear-gradient(135deg, rgba(182, 66, 36, 0.09), rgba(41, 37, 36, 0.04));
  padding: 1.5rem;
  border-radius: var(--radius-card);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.75rem;
}

.glass-card {
  background-color: #ffffff;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.6rem;
  box-shadow: var(--shadow-elevation);
  transition: transform 0.3s var(--ease-kinetic), box-shadow 0.3s var(--ease-kinetic);
}

.glass-card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--shadow-elevation), var(--glow-accent);
}

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

/* Contingency Rows & Ferry Sequences */
.contingency-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.ferry-sequence {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.ferry-step {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  position: relative;
}

.ferry-step-num {
  font-weight: 800;
  color: var(--accent-primary);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

/* Equipment Checklists & Tables */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.checklist-box {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.35rem;
}

.checklist-box ul {
  list-style: none;
  margin-top: 0.75rem;
}

.checklist-box li {
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(41, 37, 36, 0.08);
  font-size: 0.94rem;
}

.checklist-box li::before {
  content: "▪ ";
  color: var(--accent-primary);
  font-weight: 800;
}

.table-scroll {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  font-size: 0.92rem;
}

th, td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(41, 37, 36, 0.1);
}

th {
  background-color: var(--bg-surface);
  font-weight: 800;
  color: var(--text-primary);
}

/* Split layout for editorial pages */
.split-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Contact Tool Form */
.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #ffffff;
  color: var(--text-primary);
}

.output-preview {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  white-space: pre-wrap;
  font-family: monospace;
  font-size: 0.88rem;
  min-height: 150px;
  margin-bottom: 1rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Scroll reveal */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s var(--ease-kinetic), transform 0.6s var(--ease-kinetic);
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(18px);
}

.js-enabled .reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.site-footer {
  background-color: var(--bg-surface);
  border-top: 2px solid var(--border-subtle);
  padding: 3.5rem 0 2.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .hero-grid,
  .split-layout,
  .contingency-row {
    grid-template-columns: 1fr;
  }

  .mobile-dots-btn {
    display: inline-block;
  }

  .nav-row {
    display: none;
  }

  .nav-row.nav-open {
    display: block;
    padding-bottom: 0.75rem;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .fact-overlay-panel {
    margin-top: 1rem;
    margin-left: 0;
    margin-right: 0;
  }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}