/* ==========================================================================
   Global Styles — Sadie Noir
   ========================================================================== */

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

/* Film grain overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* Headings */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }

/* Links */
a:hover {
  color: var(--color-accent);
}

/* Section wrapper */
.section {
  width: 100%;
  padding-inline: var(--space-xl);
}

.section__inner {
  max-width: var(--max-width);
  margin-inline: auto;
}

/* Hidden SVGs inside flex containers need explicit display:none */
svg[hidden] { display: none; }

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

/* Gold divider — grows from center on reveal */
.gold-divider {
  width: 100%;
  max-width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  border: none;
}

/* Reveal-enabled dividers grow from center instead of translating */
.js .gold-divider.reveal {
  opacity: 0;
  transform: scaleX(0);
  transition: opacity var(--duration-slower) var(--ease-out-expo),
              transform var(--duration-slower) var(--ease-out-expo);
}

.js .gold-divider.reveal--visible {
  opacity: 1;
  transform: scaleX(1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: transform var(--duration-fast) var(--ease-out-cubic),
              box-shadow var(--duration-fast) var(--ease-out-cubic),
              background-color var(--duration-fast) var(--ease-out-cubic);
  white-space: nowrap;
  min-height: 44px;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
  color: var(--color-bg);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn--secondary:hover {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent-hover);
}

/* Scroll reveal base — only hide when JS is active */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slower) var(--ease-out-expo),
              transform var(--duration-slower) var(--ease-out-expo);
}

.js .reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal--left {
  transform: translateX(-24px);
}

.js .reveal--left.reveal--visible {
  transform: translateX(0);
}

.js .reveal--right {
  transform: translateX(24px);
}

.js .reveal--right.reveal--visible {
  transform: translateX(0);
}

/* Scroll progress indicator */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  z-index: 110;
  transition: width 60ms linear;
}