/* =============================================================
   BASE — reset, typography defaults, utilities
   ============================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-padding-top: var(--header-h);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 1.12rem;            /* Cormorant runs small -> bump up */
  font-weight: 500;             /* Cormorant is light -> heavier for body legibility */
  line-height: 1.6;
  letter-spacing: 0.005em;
  color: var(--c-text);
  background: var(--c-void);
  overflow-x: hidden;
}

/* Lenis enabled -> native smooth off; reduced motion -> native handles */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

img, picture, video, canvas, svg { display: block; max-width: 100%; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: 0;            /* serifs don't want tight tracking */
  text-wrap: balance;
}
p, li { text-wrap: pretty; }

::selection { background: rgba(127,176,207,0.28); color: var(--c-text); }

:focus-visible {
  outline: 2px solid var(--c-blue-bright);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

table { border-collapse: collapse; width: 100%; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Skip link */
.skip-link {
  position: absolute; left: var(--space-4); top: -120px; z-index: 9999;
  background: var(--c-surface-2); color: var(--c-text);
  padding: var(--space-3) var(--space-5); border-radius: var(--r-md);
  border: 1px solid var(--c-line); transition: top var(--t-fast);
}
.skip-link:focus { top: var(--space-4); }

/* ---------- Shared layout utilities ---------- */
.wrap { width: 100%; max-width: var(--content); margin-inline: auto; padding-inline: var(--gutter); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;          /* serif labels need a touch more size */
  font-weight: 600;            /* hold up under wide tracking */
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--c-text-3);
}

.chapter-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-blue);
  text-transform: uppercase;
}
.chapter-label .num { color: var(--c-gold); }

.lead {
  color: var(--c-text-2);
  font-size: var(--text-lg);
  font-weight: 500;
  max-width: 56ch;
}
.body-copy { color: var(--c-text-2); max-width: 60ch; font-weight: 500; }

.headline-xl { font-size: var(--text-3xl); }
.headline-lg { font-size: var(--text-2xl); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-mono); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.95rem 1.6rem; border-radius: var(--r-pill);
  border: 1px solid var(--c-line);
  color: var(--c-text); background: transparent;
  transition: background var(--t-fast), border-color var(--t-fast),
              color var(--t-fast), transform var(--t-fast);
  white-space: nowrap;
}
.btn:hover { border-color: var(--c-blue); background: rgba(94,138,166,0.08); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn .arrow { transition: transform var(--t-fast); }
.btn:hover .arrow { transform: translateX(4px); }

.btn--primary {
  background: var(--c-text); color: var(--c-void); border-color: var(--c-text);
}
.btn--primary:hover { background: var(--c-gold-soft); border-color: var(--c-gold-soft); color: var(--c-void); }

.btn--ghost { border-color: transparent; padding-inline: 0.6rem; color: var(--c-text-2); }
.btn--ghost:hover { color: var(--c-text); background: transparent; transform: none; }

/* link with animated underline */
.link-u {
  position: relative; color: var(--c-text); font-family: var(--font-mono);
  font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase;
  padding-bottom: 2px;
}
.link-u::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: var(--c-gold); transform: scaleX(0); transform-origin: right;
  transition: transform var(--t-mid);
}
.link-u:hover::after { transform: scaleX(1); transform-origin: left; }

/* hairline rule */
.rule { height: 1px; background: var(--c-line); border: 0; }

/* reveal-on-scroll (opacity only — no CLS) */
[data-reveal] { opacity: 0; transition: opacity 900ms var(--ease-out); }
[data-reveal].in { opacity: 1; }
[data-reveal][data-reveal="up"] { clip-path: inset(0 0 14% 0); transition: opacity 900ms var(--ease-out), clip-path 1100ms var(--ease-out); }
[data-reveal][data-reveal="up"].in { clip-path: inset(0 0 0 0); }

/* grain overlay */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; clip-path: none !important; }
}