/* ============================================================
   Base · reset · typography · atmosphere
   ============================================================ */

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

* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  min-height: 100svh;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

button,
input { font: inherit; color: inherit; }

::selection { background: var(--gold); color: var(--ink); }

/* --- Atmospheric background: deep vignette + fine grain --- */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.atmosphere::before {
  /* warm center light bleeding into black corners */
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 72% 30%, rgba(224, 175, 48, 0.10), transparent 55%),
    radial-gradient(90% 80% at 20% 90%, rgba(44, 63, 143, 0.07), transparent 60%),
    radial-gradient(140% 120% at 50% 0%, var(--ink-1), var(--ink) 70%);
}

.atmosphere::after {
  /* film grain */
  content: "";
  position: absolute;
  inset: -50%;
  opacity: 0.05;
  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='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 6s steps(6) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-4%, 3%); }
  40% { transform: translate(3%, -4%); }
  60% { transform: translate(-3%, -2%); }
  80% { transform: translate(2%, 4%); }
}

/* --- Type helpers --- */
.kicker {
  font-family: var(--font-sans);
  font-size: var(--text-kicker);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--gold);
}

.serif { font-family: var(--font-display); }

.reveal {
  opacity: 0;
  transform: translateY(26px);
}

body.is-ready .reveal {
  opacity: 1;
  transform: none;
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

/* --- Accessibility --- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

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