/* ============================================================
   SKYHOOP — Base / Reset / Typography
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: #0A0A0A;
}
::-webkit-scrollbar-thumb {
  background: #333333;
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
  background: #555555;
}

/* ── Selection ── */
::selection {
  background: rgba(0, 209, 255, 0.2);
  color: var(--white);
}

/* ── Focus Visible ── */
:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

/* ── Links ── */
a {
  color: inherit;
  text-decoration: none;
}

/* ── Lists ── */
ul, ol {
  list-style: none;
}

/* ── Images ── */
img, svg {
  display: block;
  max-width: 100%;
}

/* ── Typography Scale ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  color: var(--text-primary);
}

h1 {
  font-size: var(--text-6xl);
  letter-spacing: -0.04em;
}

h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.03em;
}

h3 {
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
}

h4 {
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}

p {
  font-family: var(--font-primary);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Utility: shared mono-label ── */
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FFFFFF;
  white-space: nowrap;
}

/* ── Utility: visually hidden ── */
.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;
}

/* ── Noise overlay applied to sections ── */
.noise-layer {
  position: relative;
  isolation: isolate;
}
.noise-layer::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

/* ── Monospace label style ── */
.label-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--maroon);
}

/* ── Section overline ── */
.section-overline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.section-overline::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: rgba(255, 255, 255, 0.25);
}

/* ── Label mono ── */
.label-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}