/* ============================================================
   BASE.CSS — Layout, utilidades y estilos compartidos
   ============================================================ */

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

/* ── Secciones ── */
section {
  padding-block: var(--section-py);
  position: relative;
}

/* ── Etiqueta de sección (overline) ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--primary-light);
  flex-shrink: 0;
}

/* ── Títulos de sección ── */
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.05;
  margin-bottom: var(--space-4);
}

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

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--t-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 0 var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-light);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  border: 1.5px solid var(--border-strong);
  color: var(--text);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--primary-light);
  color: var(--primary-light);
  background: var(--primary-subtle);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
}

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

.btn-whatsapp {
  background: #25D366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #20BA59;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}

/* ── Separador visual ── */
.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-6);
}

/* ── Grid genérico ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

/* ── Badge técnico ── */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--primary-subtle);
  border: 1px solid rgba(27,110,243,0.2);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--primary-light);
  letter-spacing: 0.05em;
}

/* ── Dot animado (estado "activo") ── */
.dot-live {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(16,185,129,0.4);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0   rgba(16,185,129,0.4); }
  70%  { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0   rgba(16,185,129,0); }
}

/* ── Scroll reveal (estado inicial) ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Delay helpers ── */
.d-100 { transition-delay: 0.10s; }
.d-200 { transition-delay: 0.20s; }
.d-300 { transition-delay: 0.30s; }
.d-400 { transition-delay: 0.40s; }
.d-500 { transition-delay: 0.50s; }

/* ── Fondo de grilla técnica ── */
.tech-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(27,110,243,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27,110,243,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* ── Responsive breakpoints ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .section-title { font-size: clamp(1.75rem, 6vw, 2.5rem); }
}

/* ============================================================
   RESPONSIVE — Ajustes globales móvil
   ============================================================ */

/* Tablets (≤ 768px) */
@media (max-width: 768px) {
  :root {
    --section-py: clamp(3rem, 8vw, 5rem);
    --navbar-h: 64px;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  .section-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .section-desc {
    font-size: 0.95rem;
  }
}

/* Móvil pequeño (≤ 480px) */
@media (max-width: 480px) {
  :root {
    --container-pad: 1rem;
  }

  .tech-badge {
    font-size: 0.65rem;
    padding: 2px 8px;
  }
}