/* =============================================================================
   BASE.CSS — Reset, body, tipografía, accesibilidad, animaciones globales
============================================================================= */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ── Skip link (accesibilidad) ─────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  padding: 0.5rem 1rem;
  background: var(--gold);
  color: var(--black);
  border-radius: 4px;
  font-weight: 700;
  z-index: 9999;
  text-decoration: none;
}

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

/* ── Tipografía base ────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

/* ── Layouts de sección compartidos ────────────────────────────────────────── */
.section { padding: var(--section-pad); }

.section-inner {
  max-width: var(--inner-max);
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 0.7rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-title em {
  font-style: normal;
  color: var(--gold-dark);
}

.section-lead {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 580px;
}

/* ── Botones ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, var(--gold-dark) 100%);
  color: var(--black);
  padding: 0.85rem 2rem;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold-lg);
}

.btn-outline {
  background: transparent;
  color: rgba(255,255,255,0.75);
  border: 1.5px solid rgba(255,255,255,0.22);
  padding: 0.85rem 2rem;
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-dark {
  background: var(--black);
  color: var(--gold);
  padding: 1rem 2.8rem;
  font-size: 1.05rem;
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
}

.btn-dark:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.35);
}

/* ── Animaciones de scroll ──────────────────────────────────────────────────── */
/* Respeta prefers-reduced-motion */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

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

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  @keyframes glow-pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50%       { opacity: 1;   transform: scale(1.1); }
  }

  @keyframes bob {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%       { transform: translateY(-10px) rotate(4deg); }
  }
}

/* Sin animaciones si el usuario lo prefiere */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .flip-card { transition: none !important; }
}

/* ── Estilos de impresión ───────────────────────────────────────────────────── */
@media print {
  .nav,
  .hero-actions,
  .cta-section,
  footer,
  .flip-btn { display: none; }

  .hero { min-height: auto; padding: 2rem; }
  body  { font-size: 12pt; color: #000; }
  a     { color: #000; text-decoration: underline; }
}