/* ============================================================
   MAIN LAYOUT & TYPOGRAPHY
   ============================================================ */

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

/* subtle telemetry grid + vignette atmosphere behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--color-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 10%, transparent 70%);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background: radial-gradient(ellipse 60% 40% at 15% -10%, rgba(193, 154, 73, 0.08), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 10%, rgba(120, 140, 200, 0.06), transparent 60%);
  pointer-events: none;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

section {
  position: relative;
  padding-block: var(--spacing-2xl);
}

.section-inner {
  position: relative;
}

/* ---------- Eyebrow label (signature structural device) ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2xs);
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--color-accent);
}

.eyebrow::before {
  content: "/";
  color: var(--color-faint);
}

.eyebrow--status {
  color: var(--color-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-status);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.15);
  flex-shrink: 0;
}

/* ---------- Section header with watermark ---------- */
.section-header {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.watermark {
  position: absolute;
  top: -0.6em;
  left: -0.03em;
  font-family: var(--font-display);
  font-size: clamp(3rem, 2rem + 8vw, 8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-line);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
  user-select: none;
  line-height: 1;
}

.section-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--spacing-2xs);
}

.section-title::before {
  content: "/";
  color: var(--color-accent);
}

.section-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-muted);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  line-height: var(--lh-tight);
}

p {
  line-height: var(--lh-body);
  color: var(--color-text-dim);
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2xs);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.85em 1.5em;
  border-radius: var(--radius-pill);
  transition: transform var(--dur-base) var(--ease-smooth), background var(--dur-fast) var(--ease-smooth),
    color var(--dur-fast) var(--ease-smooth), border-color var(--dur-fast) var(--ease-smooth);
  white-space: nowrap;
}

.btn svg {
  width: 15px;
  height: 15px;
  transition: transform var(--dur-base) var(--ease-smooth);
}

.btn:hover svg {
  transform: translate(2px, -2px);
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-line);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--sm {
  padding: 0.6em 1.1em;
  font-size: 0.8125rem;
}

/* magnetic wrapper offsets via transform, set by JS */
.magnetic {
  will-change: transform;
}

/* ---------- Pills / tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  padding: 0.35em 0.85em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line);
  color: var(--color-text-dim);
}

/* ---------- Divider ---------- */
.hairline {
  border: none;
  border-top: 1px solid var(--color-line);
}

/* ---------- Reveal utility (JS toggles .is-visible) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-expressive), transform var(--dur-slow) var(--ease-expressive);
}

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

.reveal-line {
  overflow: hidden;
}

.reveal-line > * {
  display: inline-block;
  transform: translateY(110%);
  transition: transform var(--dur-slow) var(--ease-expressive);
}

.reveal-line.is-visible > * {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-line > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

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

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--spacing-md);
  background: var(--color-text);
  color: var(--color-bg);
  padding: 0.75em 1.25em;
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--dur-fast) var(--ease-smooth);
}

.skip-link:focus {
  top: var(--spacing-md);
}

/* ---------- Responsive container tweaks ---------- */
@media (max-width: 640px) {
  section {
    padding-block: var(--spacing-xl);
  }
}