/* ============================================================
 * DAVCI Oil Services — Estilos personalizados
 * ============================================================
 *
 * Tailwind maneja las utilidades. Este archivo cubre:
 *   - Animaciones (marquee, menú, apariciones en scroll)
 *   - Estilos base
 *   - Transiciones que Tailwind no resuelve solo
 *
 * PALETA DE COLORES (se define en config.php y se inyecta
 * en el tailwind.config dentro de head.php):
 *   primary   = #0C2D48  →  Azul petróleo oscuro
 *   secondary = #B85C1E  →  Naranja industrial
 *   accent    = #1B6B93  →  Azul acero medio
 *   light     = #F4F6F8  →  Gris claro de fondo
 *   dark      = #0A1628  →  Casi negro
 *
 * Para cambiar colores: edita config.php líneas COLOR_*
 * y se propaga a Tailwind + este CSS automáticamente.
 */

/* ── Base ──────────────────────────────────────────────────── */
body {
  background-color: #f4f6f8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: #0c2d48;
  color: #fff;
}

/* ── Scroll suave ─────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* =============================================================
 * MARQUEE — Carrusel infinito de alianzas
 * =============================================================
 * Se duplica el contenido en el PHP para el loop perfecto.
 * Cada item tiene ancho fijo para controlar cuántos se ven.
 */
/* @keyframes scroll-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
} */

.marquee-container {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 8%,
    black 92%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 8%,
    black 92%,
    transparent 100%
  );
}

.animate-marquee {
  display: flex;
  width: max-content;
  animation: scroll-marquee 8s linear infinite;
  /* 8s = velocidad del loop. Súbelo para más lento, bájalo para más rápido */
}

/* Cada logo ocupa un ancho fijo — controla cuántos se ven */
.animate-marquee > div {
  width: 260px; /* ancho de cada slot */
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.animate-marquee:hover {
  animation-play-state: paused;
}

/* =============================================================
 * MENÚ MÓVIL — Transición de apertura/cierre
 * =============================================================
 * Estado cerrado: opacity 0, pointer-events none, escala reducida.
 * Estado abierto (.is-open): todo visible con transición suave.
 */
#mobile-menu {
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.03);
}

#mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

/* Links del menú: entran escalonados */
#mobile-menu nav a {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

#mobile-menu.is-open nav a {
  opacity: 1;
  transform: translateY(0);
}

/* Escalonamiento: cada link entra un poco después */
#mobile-menu.is-open nav a:nth-child(1) {
  transition-delay: 0.08s;
}
#mobile-menu.is-open nav a:nth-child(2) {
  transition-delay: 0.14s;
}
#mobile-menu.is-open nav a:nth-child(3) {
  transition-delay: 0.2s;
}
#mobile-menu.is-open nav a:nth-child(4) {
  transition-delay: 0.26s;
}
#mobile-menu.is-open nav a:nth-child(5) {
  transition-delay: 0.32s;
}
#mobile-menu.is-open nav a:nth-child(6) {
  transition-delay: 0.38s;
}

/* =============================================================
 * HEADER — Cambio de estilo al hacer scroll
 * =============================================================
 * La clase .scrolled se agrega/quita con JS.
 */
header {
  transition: top 0.3s ease;
}

header.scrolled {
  top: 8px !important;
}

header.scrolled > div {
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* =============================================================
 * ANIMACIONES DE APARICIÓN EN SCROLL (fade-in)
 * =============================================================
 * Agrega class="fade-in" a cualquier elemento que quieras
 * que aparezca suavemente al entrar en el viewport.
 * El JS usa IntersectionObserver para activar .is-visible.
 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Variante: entra desde la izquierda */
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Variante: entra desde la derecha */
.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* =============================================================
 * TARJETAS DE SERVICIO — Efecto hover
 * ============================================================= */
.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 22, 40, 0.85) 0%,
    rgba(10, 22, 40, 0.3) 50%,
    transparent 100%
  );
  transition: opacity 0.4s ease;
}

.service-card:hover::after {
  opacity: 0.9;
}

/* =============================================================
 * BOTÓN WHATSAPP FLOTANTE
 * ============================================================= */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: #25d366;
  animation: pulse-ring 2s ease-out infinite;
  z-index: -1;
}

/* ── Texto balanceado ─────────────────────────────────────── */
.text-balance {
  text-wrap: balance;
}

/* ── Accesibilidad ────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid #b85c1e;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Respeta preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  .animate-marquee {
    animation: none !important;
  }
  .fade-in,
  .fade-in-left,
  .fade-in-right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  #mobile-menu {
    transition: none !important;
  }
  #mobile-menu nav a {
    transition: none !important;
  }
}