/* =========================================================
   OCTOGONE CAPITAL — Design System
   Marine deep primary · Bordeaux accent · Editorial serif
   ========================================================= */

:root {
  /* Brand */
  --marine-900: #051628;
  --marine-800: #0A2540;
  --marine-700: #102A43;
  --marine-600: #1A3A5C;
  --marine-500: #2E5278;
  --marine-400: #5B7795;

  --bordeaux-700: #5C1428;
  --bordeaux-600: #7B1E3A;
  --bordeaux-500: #9E3A57;
  --bordeaux-100: #F5E6EB;

  --gold-500: #B8924C;

  /* Neutrals */
  --ink-900: #0E1421;
  --ink-800: #1A1F2E;
  --ink-700: #2A3142;
  --ink-500: #5B6573;
  --ink-400: #8A93A4;
  --ink-300: #B8BFCB;
  --ink-200: #DDE2EA;
  --ink-100: #EFF1F4;
  --ink-50:  #F7F8FA;
  --paper:   #FDFCF9;
  --white:   #FFFFFF;

  /* Type */
  --font-serif: "Newsreader", "Source Serif 4", Georgia, serif;
  --font-sans: "IBM Plex Sans", "Söhne", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* Spacing */
  --sp-1: 4px;   --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 20px;  --sp-6: 24px;  --sp-7: 32px;  --sp-8: 40px;
  --sp-9: 48px;  --sp-10: 64px; --sp-11: 80px; --sp-12: 120px;

  /* Layout */
  --content-max: 1280px;
  --content-narrow: 880px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.04), 0 1px 1px rgba(10, 37, 64, 0.03);
  --shadow-md: 0 4px 16px rgba(10, 37, 64, 0.06), 0 1px 2px rgba(10, 37, 64, 0.04);
  --shadow-lg: 0 20px 48px rgba(10, 37, 64, 0.10), 0 4px 12px rgba(10, 37, 64, 0.05);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-800);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "ss02";
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--marine-800);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--bordeaux-600);
}
.eyebrow.eyebrow--light { color: rgba(255,255,255,0.85); }
.eyebrow.eyebrow--light::before { background: var(--bordeaux-500); }
.eyebrow.eyebrow--plain::before { display: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--marine-800);
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0;
  font-optical-sizing: auto;
}
.h-display {
  font-family: var(--font-serif);
  font-size: clamp(48px, 6vw, 84px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--marine-800);
}
.h-display em {
  font-style: italic;
  font-weight: 400;
  color: var(--bordeaux-600);
}
.h-1 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 4.5vw, 60px);
  font-weight: 350;
  line-height: 1.06;
  letter-spacing: -0.015em;
}
.h-2 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.012em;
}
.h-3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 450;
  line-height: 1.2;
}
.h-4 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--marine-800);
}
.lead {
  font-family: var(--font-serif);
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.5;
  color: var(--ink-700);
  font-weight: 350;
}
.body-sm { font-size: 14px; line-height: 1.55; color: var(--ink-500); }
.meta {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 0;
  transition: all 0.18s ease;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn--sm { padding: 10px 16px; font-size: 13px; }
.btn--lg { padding: 18px 32px; font-size: 15px; }

.btn--primary {
  background: var(--bordeaux-600);
  color: var(--white);
}
.btn--primary:hover { background: var(--bordeaux-700); transform: translateY(-1px); }

.btn--marine {
  background: var(--marine-800);
  color: var(--white);
}
.btn--marine:hover { background: var(--marine-900); }

.btn--outline {
  background: transparent;
  color: var(--marine-800);
  border-color: var(--marine-800);
}
.btn--outline:hover { background: var(--marine-800); color: var(--white); }

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-light:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

.btn--ghost {
  background: transparent;
  color: var(--marine-800);
  padding-left: 0;
  padding-right: 0;
  position: relative;
}
.btn--ghost::after {
  content: "";
  position: absolute;
  left: 0;
  right: 24px;
  bottom: 10px;
  height: 1px;
  background: currentColor;
  opacity: 0.4;
  transition: opacity 0.2s, right 0.2s;
}
.btn--ghost:hover::after { opacity: 1; right: 0; }
.btn--ghost .arrow { transition: transform 0.2s; }
.btn--ghost:hover .arrow { transform: translateX(4px); }

/* ---------- Pills / Badges ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--marine-800);
  background: var(--ink-50);
  border: 1px solid var(--ink-200);
  border-radius: 999px;
}
.pill--accent {
  color: var(--bordeaux-700);
  background: var(--bordeaux-100);
  border-color: transparent;
}
.pill--dark {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}

/* ---------- Octogon Motif ---------- */
.octo-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}
.octo-mark path { fill: currentColor; }

/* Octogon clip paths for image masks */
.octo-clip {
  clip-path: polygon(
    30% 0, 70% 0, 100% 30%, 100% 70%,
    70% 100%, 30% 100%, 0 70%, 0 30%
  );
}
.octo-clip-soft {
  clip-path: polygon(
    20% 0, 80% 0, 100% 20%, 100% 80%,
    80% 100%, 20% 100%, 0 80%, 0 20%
  );
}

/* ---------- Layout primitives ---------- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 32px;
}
.container--narrow { max-width: var(--content-narrow); }
.section { padding: var(--sp-12) 0; }
.section--sm { padding: var(--sp-10) 0; }

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: var(--sp-11) 0; }
}

/* ---------- Card ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--ink-100);
  transition: all 0.25s ease;
}
.card:hover {
  border-color: var(--ink-200);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ---------- Misc ---------- */
.divider {
  height: 1px;
  background: var(--ink-100);
  border: none;
  margin: 0;
}
.bg-marine { background: var(--marine-800); color: var(--white); }
.bg-marine h1, .bg-marine h2, .bg-marine h3, .bg-marine h4 { color: var(--white); }
.bg-paper { background: var(--paper); }
.bg-cream { background: #F2EEE5; }
.bg-ink50 { background: var(--ink-50); }

.text-accent { color: var(--bordeaux-600); }
.text-marine { color: var(--marine-800); }
.text-muted { color: var(--ink-500); }

/* Focus */
:focus-visible {
  outline: 2px solid var(--bordeaux-500);
  outline-offset: 2px;
}