/* DFCG — Editorial design system */

@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;1,400&family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --paper: #F4F0E8;
  --paper-2: #ECE7DC;
  --ink: #1A1614;
  --ink-soft: #3D352F;
  --ink-mute: #6B5F54;
  --rule: #BFB4A3;
  --accent: #5C1F1F;
  --accent-soft: #7A2C2C;

  --serif: 'Spectral', 'Times New Roman', serif;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', 'SF Mono', monospace;

  --maxw: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga", "onum";
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

/* ---- Typography ---- */
.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.eyebrow .num {
  font-family: var(--mono);
  font-weight: 400;
  margin-right: 0.6em;
  color: var(--ink-mute);
}

h1, h2, h3, h4 { font-weight: 400; margin: 0; letter-spacing: -0.01em; }

.display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(48px, 7vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.025em;
}

.display em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

.h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(34px, 4.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.h2 em {
  font-style: italic;
  color: var(--accent);
}

.h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 32ch;
  text-wrap: balance;
}

.body { color: var(--ink-soft); max-width: 60ch; }
.body p { margin: 0 0 1em; }

.label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mono {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-mute);
}

/* ---- Layout ---- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.rule { height: 1px; background: var(--rule); border: 0; margin: 0; }

section { position: relative; }

.section-pad { padding: clamp(80px, 10vw, 160px) 0; }
.section-pad-sm { padding: clamp(56px, 7vw, 96px) 0; }

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 240, 232, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--rule); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
}
.brand .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  display: inline-block;
  border-radius: 50%;
  transform: translateY(-1px);
}

.nav-links {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.nav-links a {
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(.65,.05,.36,1);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 10px 18px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--rule);
  padding: 56px 0 40px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.footer h4 {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 16px;
}
.footer ul { list-style: none; padding: 0; margin: 0; font-family: var(--sans); font-size: 14px; }
.footer ul li { margin-bottom: 8px; }
.footer ul a { color: var(--ink-soft); transition: color 0.2s ease; }
.footer ul a:hover { color: var(--ink); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 16px 28px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn .arrow {
  display: inline-block;
  transition: transform 0.3s cubic-bezier(.65,.05,.36,1);
}
.btn:hover .arrow { transform: translateX(4px); }

.btn-filled { background: var(--ink); color: var(--paper); }
.btn-filled:hover { background: var(--accent); border-color: var(--accent); }

/* ---- Reveal animation ---- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s cubic-bezier(.4,0,.2,1), transform 0.9s cubic-bezier(.4,0,.2,1);
}
.reveal.in { opacity: 1; transform: none; }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 400ms; }

/* Hairline draw */
.draw-rule {
  height: 1px;
  background: var(--rule);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.1s cubic-bezier(.7,0,.3,1);
}
.draw-rule.in { transform: scaleX(1); }

/* ---- Responsive ---- */
@media (max-width: 820px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}