/* ========================
   RESET & BASE
   ======================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0D0D0F;
  --surface: #141416;
  --fg: #F5F0E8;
  --fg-muted: #9B968E;
  --accent: #E8A030;
  --border: #2A2826;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ========================
   NAV
   ======================== */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Instrument Serif', serif;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.nav-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  font-weight: 500;
}

/* ========================
   HERO
   ======================== */
.hero {
  padding: 96px 48px 80px;
  max-width: 900px;
}

.hero-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
  font-weight: 400;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: 48px;
}

.hero-rule {
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ========================
   PROOF
   ======================== */
.proof {
  padding: 48px 48px 80px;
  border-bottom: 1px solid var(--border);
}

.proof-grid {
  display: flex;
  gap: 0;
}

.proof-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 32px 0 0;
}

.proof-item + .proof-item {
  padding-left: 32px;
  border-left: 1px solid var(--border);
}

.proof-num {
  font-family: 'Instrument Serif', serif;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.proof-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  font-weight: 500;
}

/* ========================
   WHAT IT IS
   ======================== */
.whatitis {
  padding: 96px 48px;
  border-bottom: 1px solid var(--border);
}

.whatitis-inner { max-width: 860px; }

.whatitis-overline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
}

.whatitis-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  font-weight: 400;
  margin-bottom: 56px;
  max-width: 680px;
}

.whatitis-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.whatitis-col { padding-right: 40px; }
.whatitis-col + .whatitis-col {
  padding-left: 40px;
  border-left: 1px solid var(--border);
  padding-right: 0;
}

.whatitis-col-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  font-weight: 600;
  margin-bottom: 20px;
}

.whatitis-col-vessel .whatitis-col-title { color: var(--accent); }

.whatitis-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.whatitis-list li {
  font-size: 0.95rem;
  color: var(--fg);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.whatitis-col-vessel .whatitis-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* ========================
   HOW IT WORKS
   ======================== */
.howitworks {
  padding: 96px 48px;
  border-bottom: 1px solid var(--border);
}

.howitworks-inner { max-width: 860px; }

.howitworks-overline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  font-weight: 500;
  margin-bottom: 56px;
}

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

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-num {
  font-family: 'Instrument Serif', serif;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  min-width: 28px;
  padding-top: 2px;
}

.step-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 480px;
}

/* ========================
   MANIFESTO
   ======================== */
.manifesto {
  padding: 96px 48px;
  border-bottom: 1px solid var(--border);
}

.manifesto-inner { max-width: 760px; }

.manifesto-quote {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  line-height: 1.45;
  color: var(--fg);
  font-style: italic;
  font-weight: 400;
  margin-bottom: 24px;
}

.manifesto-attrib {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ========================
   CLOSING
   ======================== */
.closing {
  padding: 96px 48px;
  border-bottom: 1px solid var(--border);
}

.closing-inner { max-width: 800px; }

.closing-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--fg);
  font-weight: 400;
}

/* ========================
   FOOTER
   ======================== */
.footer {
  padding: 32px 48px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-name {
  font-family: 'Instrument Serif', serif;
  font-size: 0.9rem;
  color: var(--fg);
}

.footer-sep { color: var(--fg-muted); }

.footer-tag {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 56px 24px 48px; }
  .proof { padding: 40px 24px 56px; }
  .whatitis { padding: 64px 24px; }
  .howitworks { padding: 64px 24px; }
  .manifesto { padding: 64px 24px; }
  .closing { padding: 64px 24px; }
  .footer { padding: 24px; }

  .proof-grid { flex-direction: column; gap: 28px; }
  .proof-item { flex-direction: row; align-items: center; gap: 16px; }
  .proof-item + .proof-item { border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 28px; }

  .whatitis-columns { grid-template-columns: 1fr; gap: 40px; }
  .whatitis-col { padding-right: 0; }
  .whatitis-col + .whatitis-col { padding-left: 0; border-left: none; border-top: 1px solid var(--border); padding-top: 40px; }

  .step { padding: 28px 0; }
  .step-content { flex: 1; }
}