html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ─── Layout ─────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  width: 100%;
}

/* ─── Skip link ──────────────────────────────────── */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  background: var(--color-accent-red);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: top var(--duration-fast) ease;
}
.skip-link:focus { top: 0; }

/* ─── Focus ──────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-accent-red);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ─── Section spacing ────────────────────────────── */
section { position: relative; }

/* ─── Typography helpers ─────────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-red);
  margin-bottom: var(--space-4);
}

h1 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.88;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  line-height: 0.93;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: var(--space-3);
}

em {
  font-style: italic;
  color: var(--color-text-primary);
}

strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ─── Buttons ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8125rem var(--space-6);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition:
    transform var(--duration-base) var(--ease-out-expo),
    background-color var(--duration-base) var(--ease-out-expo),
    border-color var(--duration-base) var(--ease-out-expo),
    box-shadow var(--duration-base) var(--ease-out-expo),
    opacity var(--duration-base) ease;
}

.btn--primary {
  background: var(--color-accent-red);
  color: #fff;
  border-color: var(--color-accent-red);
}
.btn--primary:hover {
  background: var(--color-accent-red-hover);
  border-color: var(--color-accent-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(204, 34, 34, 0.4);
}
.btn--primary:active { transform: translateY(0); box-shadow: none; }

.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-metallic-dark);
}
.btn--ghost:hover {
  border-color: var(--color-metallic-mid);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}
.btn--ghost:active { transform: translateY(0); }

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn--xl {
  padding: 1.125rem 2rem;
  font-size: 1.0625rem;
}

.btn--full { width: 100%; }

.btn:disabled {
  opacity: 0.6;
  pointer-events: none;
}

/* ─── Spinner icon ───────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner-icon { animation: spin 0.8s linear infinite; }