/* ============================================================
   Base — reset, typography, atmosphere, focus, motion respect
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Atmosphere: layered radial gradients + grain + faint hex grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(56rem 36rem at 8% -10%,  rgba(217, 119, 6, 0.16), transparent 62%),
    radial-gradient(48rem 36rem at 110% 10%, rgba(94, 138, 74, 0.10), transparent 58%),
    radial-gradient(70rem 50rem at 50% 110%, rgba(180, 69, 42, 0.10), transparent 60%),
    var(--color-bg);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-snug);
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-text);
  font-variation-settings: "opsz" 96, "SOFT" 30;
}

h1 { font-size: clamp(var(--fs-3xl), 6vw, var(--fs-5xl)); line-height: var(--lh-tight); }
h2 { font-size: clamp(var(--fs-2xl), 4vw, var(--fs-3xl)); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); font-weight: 600; }

p { margin: 0; }
p + p { margin-top: var(--space-3); }

a {
  color: var(--color-accent-hot);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-out);
}
a:hover { border-bottom-color: var(--color-accent-hot); }

/* Display utilities */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.eyebrow--muted { color: var(--color-muted); }

.label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.10em;
  color: var(--color-muted);
}

.lede {
  font-family: var(--font-serif);
  font-size: clamp(var(--fs-md), 1.4vw, var(--fs-lg));
  line-height: var(--lh-prose);
  color: var(--color-text-soft);
  max-width: 60ch;
}

.serif-italic {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "opsz" 96;
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.num  { font-variant-numeric: tabular-nums; }

/* Focus */
:focus-visible {
  outline: 2px solid var(--color-accent-hot);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: 880px;
}

/* Divider */
.rule {
  height: 1px;
  background: var(--color-line);
  border: 0;
  margin: 0;
}
.rule--strong { background: var(--color-line-strong); }

/* Section */
section {
  position: relative;
  padding-block: clamp(var(--space-6), 9vw, var(--space-8));
}

/* Page-load reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Staggered delays via inline style — kept for orchestration */
.reveal[data-d="1"] { transition-delay:  60ms; }
.reveal[data-d="2"] { transition-delay: 120ms; }
.reveal[data-d="3"] { transition-delay: 180ms; }
.reveal[data-d="4"] { transition-delay: 240ms; }
.reveal[data-d="5"] { transition-delay: 300ms; }
.reveal[data-d="6"] { transition-delay: 360ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* Selection */
::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}