/* ============================================================
   GLOBALS — container, section, utilities
   ============================================================ */

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

.section {
  padding-block: var(--section-y);
  position: relative;
  border-top: 1px solid var(--line-1);
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: var(--space-8);
}
.section__label::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--text-3);
}

.grid { display: grid; gap: var(--space-6); }

.flow > * + * { margin-top: var(--space-4); }

/* Metallic / gradient text utilities */
.gradient-text-platina,
.text-platinum {
  background-image: var(--grad-platinum);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.gradient-text-grafite,
.text-graphite {
  background-image: var(--grad-graphite);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.text-fade {
  background-image: var(--grad-fade-b);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.text-glow {
  text-shadow: 0 0 32px rgba(255, 255, 255, 0.12);
}
.bg-platinum { background: var(--grad-platinum); }
.bg-graphite { background: var(--grad-graphite); }

/* Mono / eyebrow */
.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-3);
}

/* Noise overlay (atmosfera — DS4) */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-noise);
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface-0); }
::-webkit-scrollbar-thumb { background: var(--graphite-700); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--graphite-500); }
html { scrollbar-width: thin; scrollbar-color: var(--graphite-700) var(--surface-0); }

/* Global focus-visible base — accessible keyboard navigation */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--silver-300);
  outline-offset: 3px;
}

/* Screen-reader 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: 0;
}