/* ============================================================
   DIGYNOMA — base.css
   Brutalismo Editorial: Bebas Neue + IBM Plex Mono
   Papel cálido + Tinta + Amarillo ácido
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── Tokens de diseño ────────────────────────────────────── */
:root {
  /* Paleta */
  --c-paper:     #ECEADE;
  --c-paper-dk:  #E3DDD4;
  --c-white:     #FFFFFF;
  --c-ink:       #111111;
  --c-ink-lt:    #444444;
  --c-ink-muted: #888888;
  --c-yellow:    #F0E030;
  --c-yellow-dk: #D6C820;
  --c-border:    #111111;
  --c-border-lt: #C8C4BC;

  /* Tipografía */
  --font-display: 'Bebas Neue', Impact, 'Arial Black', sans-serif;
  --font-body:    'IBM Plex Mono', 'Courier New', monospace;

  /* Escala fluida — Bebas Neue necesita tamaños generosos */
  --text-xs:   clamp(0.7rem,   1vw,    0.8rem);
  --text-sm:   clamp(0.8rem,   1.2vw,  0.9rem);
  --text-base: clamp(0.875rem, 1.4vw,  1rem);
  --text-lg:   clamp(1rem,     1.8vw,  1.2rem);
  --text-xl:   clamp(1.25rem,  2vw,    1.5rem);
  --text-2xl:  clamp(1.75rem,  2.8vw,  2.25rem);
  --text-3xl:  clamp(2.25rem,  4vw,    3.25rem);
  --text-4xl:  clamp(3rem,     5.5vw,  4.5rem);
  --text-5xl:  clamp(4rem,     8vw,    7rem);
  --text-hero: clamp(4.5rem,   11vw,   10rem);

  /* Espaciado */
  --space-section:    clamp(4rem, 8vw, 7rem);
  --space-section-sm: clamp(2.5rem, 5vw, 4rem);
  --container-max:    1200px;
  --container-pad:    clamp(1.25rem, 5vw, 3rem);

  /* Sin radios (brutalismo) */
  --radius-sm:  0px;
  --radius-md:  0px;
  --radius-lg:  0px;
  --radius-xl:  0px;

  /* Transiciones */
  --ease:          cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-premium:  cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 0.15s;
  --duration-base: 0.25s;
  --duration-slow: 0.45s;
  --duration-xslow: 0.8s;
}

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

html {
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--c-ink);
  background-color: var(--c-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ── Accesibilidad ───────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--c-yellow);
  color: var(--c-ink);
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.08em;
  border: 2px solid var(--c-ink);
  z-index: 9999;
  transition: top var(--duration-fast);
}

.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--c-ink);
  outline-offset: 3px;
}

/* ── Tipografía base ─────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.0;
  color: var(--c-ink);
  letter-spacing: 0.02em;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: 0.02em;
}

p {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--c-ink-lt);
}

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

/* ── Secciones ───────────────────────────────────────────── */
section {
  padding-block: var(--space-section);
}

/* ── Etiqueta de sección ─────────────────────────────────── */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-ink-muted);
  margin-bottom: 1rem;
  border-left: 3px solid var(--c-yellow);
  padding-left: 0.625rem;
}

.section-label--light {
  color: rgba(255,255,255,0.45);
  border-color: var(--c-yellow);
}

/* ── Reducción de movimiento ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Safe areas (iOS) ────────────────────────────────────── */
@supports (padding: env(safe-area-inset-top)) {
  .nav-inner {
    padding-left: max(var(--container-pad), env(safe-area-inset-left));
    padding-right: max(var(--container-pad), env(safe-area-inset-right));
  }
  footer {
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
  }
}