/* ═══════════════════════════════════════════════════
   base.css — reset, typography, layout primitives
═══════════════════════════════════════════════════ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.65;
  font-feature-settings: 'liga' 1, 'kern' 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background var(--t), color var(--t);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
a { color: var(--ink); text-decoration: none; }
ul { list-style: none; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--ink-faint); border: 2px solid var(--paper); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-soft); }
::selection { background: var(--rust); color: var(--paper); }

/* Subtle paper texture overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(184, 134, 47, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(139, 58, 38, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--serif-display);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.mono {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.italic { font-style: italic; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 500;
}

/* Layout primitives */
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 2; }
.section { padding: 120px 0; position: relative; z-index: 2; }
.section.alt { background: var(--paper-2); }
.section.alt-2 { background: var(--paper-3); }

.bot-divider {
  text-align: center; margin: 60px 0;
  font-family: var(--serif-display);
  font-size: 1.6rem; color: var(--rust);
  letter-spacing: 0.5em;
}

/* Scroll-reveal animation */
.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.d1 { transition-delay: 0.08s; }
.fade-up.d2 { transition-delay: 0.16s; }
.fade-up.d3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .fade-up { opacity: 1; transform: none; }
}