:root {
  --bg: #0d1f30;
  --bg-2: #0a1828;
  --surface: #132842;
  --fg: #e8edf2;
  --fg-muted: #8898a8;
  --fg-dim: #506070;
  --accent: #f97316;
  --accent-dim: #c9550c;
  --steel: #4a5568;
  --divider: #1a3050;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 56px;
  display: flex;
  align-items: center;
  background: rgba(10, 24, 40, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  font-family: 'Instrument Serif', serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-tag {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 400;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  padding-top: 56px;
}

.hero-image-wrap {
  position: relative;
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.85) brightness(0.9);
}

.hero-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(13,31,48,0.4) 0%, rgba(13,31,48,0.05) 100%);
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 72px 80px 64px;
  background: var(--bg);
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 32px;
  font-weight: 300;
}

.hero-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid var(--divider);
  color: var(--fg-muted);
  border-radius: 2px;
}

/* SECTION COMMON */
.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* HOW IT WORKS */
.howitworks {
  padding: 120px 72px;
  background: var(--bg-2);
}

.howitworks .section-title {
  max-width: 600px;
  margin-bottom: 80px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}

.step-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.step-title {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.step-body {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
  font-weight: 300;
}

/* LADDER */
.ladder {
  padding: 120px 72px;
  background: var(--bg);
}

.ladder .section-title {
  margin-bottom: 64px;
}

.ladder-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ladder-row {
  display: grid;
  grid-template-columns: 80px 220px 1fr;
  gap: 40px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--divider);
}

.ladder-row-first {
  border-top: 1px solid var(--divider);
}

.ladder-tier {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.ladder-ship {
  font-family: 'Instrument Serif', serif;
  font-size: 20px;
  color: var(--fg);
  font-weight: 400;
}

.ladder-desc {
  font-size: 14px;
  color: var(--fg-muted);
  font-weight: 300;
}

/* PHILOSOPHY */
.philosophy {
  padding: 100px 72px;
  background: var(--surface);
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
}

.philosophy-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.philosophy-quote {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(22px, 3vw, 32px);
  font-style: italic;
  color: var(--fg);
  line-height: 1.5;
  margin-bottom: 24px;
}

.philosophy-attribution {
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

/* VOYAGE */
.voyage {
  padding: 120px 72px;
  background: var(--bg-2);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.voyage-title {
  margin-bottom: 32px;
}

.voyage-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.75;
  font-weight: 300;
  margin-bottom: 20px;
}

/* VESSEL STACK GRAPHIC */
.vessel-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}

.vessel-bar {
  height: 52px;
  background: var(--surface);
  border: 1px solid var(--divider);
  display: flex;
  align-items: center;
  padding: 0 20px;
  transition: border-color 0.2s;
}

.vessel-bar span {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
}

.vessel-bar-6 { width: 100%; border-left: 4px solid var(--accent); }
.vessel-bar-6 span { color: var(--accent); }
.vessel-bar-5 { width: 88%; margin-left: auto; }
.vessel-bar-4 { width: 76%; margin-left: auto; }
.vessel-bar-3 { width: 64%; margin-left: auto; }
.vessel-bar-2 { width: 52%; margin-left: auto; }

/* FOOTER */
.footer {
  padding: 80px 72px 60px;
  background: var(--bg);
  border-top: 1px solid var(--divider);
  text-align: center;
}

.footer-brand {
  font-family: 'Instrument Serif', serif;
  font-size: 32px;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 16px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.footer-note {
  font-size: 13px;
  color: var(--fg-dim);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-image-wrap {
    height: 50vw;
  }
  .hero-text {
    padding: 48px 32px;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
  }
  .ladder-row {
    grid-template-columns: 60px 160px 1fr;
    gap: 20px;
  }
  .voyage {
    grid-template-columns: 1fr;
    padding: 80px 32px;
  }
  .howitworks, .ladder, .philosophy, .footer {
    padding: 80px 32px;
  }
}

@media (max-width: 600px) {
  .steps { grid-template-columns: 1fr; }
  .ladder-row { grid-template-columns: 50px 1fr; }
  .ladder-desc { display: none; }
  .nav-tag { display: none; }
  .hero-headline { font-size: 36px; }
}