/* ==========================================================================
   global.css — base typography, atmosphere, utilities
   ========================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 400;
  color: var(--color-text-2);
  background-color: var(--color-bg);
  position: relative;
}

/* Ambient page atmosphere — extremely subtle, fixed, non-interactive */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(60rem 40rem at 12% -8%, rgba(57, 255, 136, 0.07), transparent 60%),
    radial-gradient(46rem 34rem at 96% 6%, rgba(255, 60, 172, 0.055), transparent 62%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 0%, transparent 78%);
}

main,
header,
footer {
  position: relative;
  z-index: var(--z-base);
}

/* ---------- Headings ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  font-weight: 800;
  letter-spacing: var(--tracking-display);
}

h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: var(--tracking-display);
}

h3 {
  font-size: var(--fs-h3);
}

h4 {
  font-size: var(--fs-h4);
}

p {
  line-height: 1.72;
  text-wrap: pretty;
}

strong {
  color: var(--color-text);
  font-weight: 700;
}

/* ---------- Utilities ---------- */
.container {
  width: min(100% - (var(--container-pad) * 2), var(--container-width));
  margin-inline: auto;
}

.container--wide {
  width: min(100% - (var(--container-pad) * 2), var(--container-wide));
}

.section {
  padding-block: var(--space-section);
  position: relative;
}

.section--tight {
  padding-block: clamp(3rem, 7vw, 6rem);
}

.section--alt {
  background-color: var(--color-bg-2);
  border-block: 1px solid var(--color-border);
}

.measure {
  max-width: var(--measure);
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.65;
  color: var(--color-text-2);
  max-width: 56ch;
}

.text-green {
  color: var(--color-green);
}

.text-pink {
  color: var(--color-pink-soft);
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.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 {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  z-index: var(--z-loader);
  padding: 0.75rem 1.25rem;
  background: var(--color-green);
  color: #04140b;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

.divider {
  height: 1px;
  border: 0;
  background: var(--gradient-line);
}

/* ---------- Eyebrow / section label ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--color-green);
  flex-shrink: 0;
}

.eyebrow--pink::before {
  background: var(--color-pink);
}

.eyebrow__num {
  color: var(--color-text-2);
}

/* ---------- Section head ---------- */
.section-head {
  max-width: 46ch;
  margin-bottom: var(--space-2xl);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-head p {
  margin-top: var(--space-md);
  font-size: var(--fs-lead);
  color: var(--color-text-2);
}