/* ============================================
   Ploobs.Com — Estilos Compartidos
   Variables, reset, header, footer, botones,
   breadcrumb, contacto, utilidades, responsive base
   ============================================ */

/* --- Variables CSS (Tema Claro) --- */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-card: #ffffff;
  --text-primary: #292929;
  --text-secondary: #444444;
  --text-muted: #888888;
  --accent: #D6D7F1;
  --accent-hover: #c0c1e0;
  --accent-light: #ecedf9;
  --black: #000000;
  --border: #e0e0e0;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --header-bg: rgba(255,255,255,0.95);
  --whatsapp: #25D366;
  --whatsapp-hover: #1da851;
  --accent-orange: #F14902;
  --accent-orange-hover: #d04000;
  --golden-cream: #F6E7D8;
  --dark-carbon: #1C191A;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --radius: 12px;
}

/* --- Variables CSS (Tema Oscuro) --- */
[data-theme="dark"] {
  --bg-primary: #1C191A;
  --bg-secondary: #1e1e1e;
  --bg-card: #2A2728;
  --text-primary: #f0f0f0;
  --text-secondary: #b0b0b0;
  --text-muted: #777777;
  --accent: #D6D7F1;
  --accent-hover: #e0e1f5;
  --accent-light: #3a3a4a;
  --black: #000000;
  --border: #444444;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.4);
  --header-bg: rgba(28,25,26,0.95);
}

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

html {
  scroll-behavior: smooth;
  touch-action: manipulation;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-orange);
}

ul {
  list-style: none;
}

/* --- Focus visible --- */
:focus-visible {
  outline: 3px solid var(--accent-orange);
  outline-offset: 2px;
}

/* --- Contenedor --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  justify-content: center;
}

.btn--primary {
  background-color: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

.btn--large {
  padding: 18px 48px;
  font-size: 1.125rem;
}

.btn--whatsapp {
  background-color: var(--whatsapp);
  color: #ffffff;
  border-color: var(--whatsapp);
}

.btn--whatsapp:hover {
  background-color: var(--whatsapp-hover);
  border-color: var(--whatsapp-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn--whatsapp:active {
  transform: translateY(0);
  box-shadow: var(--shadow);
}

.btn--golden {
  background-color: var(--accent-orange);
  color: var(--golden-cream);
  border-color: var(--accent-orange);
}

.btn--golden:hover {
  background-color: var(--accent-orange-hover);
  border-color: var(--accent-orange-hover);
  color: var(--golden-cream);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge--golden {
  background-color: var(--accent-orange);
  color: var(--golden-cream);
}

/* ============================================
   TÍTULOS DE SECCIÓN
   ============================================ */
.section-title {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
  line-height: 1.5;
}

.accent-text {
  color: var(--accent);
}

.accent-text--orange {
  color: var(--accent-orange);
}

.text-cream {
  color: var(--golden-cream);
}

/* ============================================
   SKIP LINK (accesibilidad)
   ============================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 10000;
  padding: 12px 24px;
  background-color: var(--accent-orange);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
  outline: none;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 70px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.3rem;
}

.header__logo:hover {
  color: var(--text-primary);
}

.header__logo-img {
  width: 45px;
  height: 45px;
}

.header__nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: background-color var(--transition);
}

.header__nav.is-open {
  display: block;
}

.header__nav-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.header__nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-weight: 500;
  border-radius: 8px;
  white-space: nowrap;
  transition: background-color var(--transition), color var(--transition);
}

.header__nav-link svg {
  flex-shrink: 0;
}

.header__nav-link:hover {
  background-color: var(--accent-light);
  color: var(--accent-orange);
}

.header__nav-link.active {
  color: var(--accent-orange);
  background-color: var(--accent-light);
  border-bottom: 2px solid var(--accent-orange);
}

.header__phone {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.header__phone:hover {
  color: var(--accent-orange);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Theme Toggle --- */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  color: var(--text-primary);
  transition: background-color var(--transition), color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background-color: var(--accent-light);
}

.theme-toggle__icon--sun { display: block; }
.theme-toggle__icon--moon { display: none; }

[data-theme="dark"] .theme-toggle__icon--sun { display: none; }
[data-theme="dark"] .theme-toggle__icon--moon { display: block; }

/* --- Menú móvil --- */
.header__menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.header__menu-btn:hover {
  background-color: var(--accent-light);
}

.theme-toggle,
.header__menu-btn {
  min-width: 44px;
  min-height: 44px;
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  padding: 80px 0 0;
  background-color: var(--bg-primary);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
}

.breadcrumb__item:not(:last-child)::after {
  content: "/";
  margin-left: 4px;
  color: var(--text-muted);
}

.breadcrumb__item a {
  color: var(--text-secondary);
}

.breadcrumb__item a:hover {
  color: var(--accent-orange);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--text-primary);
  font-weight: 500;
}

/* ============================================
   CONTACTO
   ============================================ */
.contacto {
  padding: 80px 0;
  background-color: var(--bg-secondary);
  transition: background-color var(--transition);
}

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.contacto__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contacto__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contacto__item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-orange);
}

.contacto__item a {
  color: var(--text-secondary);
}

.contacto__item a:hover {
  color: var(--accent-orange);
}

.contacto__item strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 2px;
}

.contacto__social {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.contacto__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  transition: all var(--transition);
}

.contacto__social-link:hover {
  background-color: var(--accent-orange);
  color: var(--golden-cream);
  border-color: var(--accent-orange);
  transform: translateY(-2px);
}

.contacto__map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.contacto__map iframe {
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 40px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  transition: all var(--transition);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.footer__nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.footer__nav a:hover {
  color: var(--accent-orange);
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 500px;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 20px;
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--accent);
  color: var(--black);
  border-radius: 50%;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--accent-orange);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: var(--whatsapp);
  color: #ffffff;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
  background-color: var(--whatsapp-hover);
  color: #ffffff;
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.55);
}

@keyframes whatsapp-pulse {
  0% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.7); }
  100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); }
}

/* ============================================
    SCROLL REVEAL + STAGGER
    ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger animations for grid children */
.stagger-children .reveal:nth-child(1),
.stagger-children .reveal:nth-child(2),
.stagger-children .reveal:nth-child(3) {
  transition-delay: 0s, 0.1s, 0.2s;
}

.stagger-children .reveal:nth-child(4),
.stagger-children .reveal:nth-child(5),
.stagger-children .reveal:nth-child(6) {
  transition-delay: 0.1s, 0.2s, 0.3s;
}

.stagger-children .reveal:nth-child(n+7) {
  transition-delay: 0.2s;
}

/* Hover lift effect for cards */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* Brand logo card */
.brand-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  min-height: 80px;
}

.brand-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.brand-item img {
  max-height: 40px;
  width: auto;
  object-fit: contain;
  filter: grayscale(30%);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.brand-item:hover img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

/* --- Hero base --- */
.hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  transition: background var(--transition);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.hero__content {
  text-align: center;
}

.hero__title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.5;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__cta {
  font-size: 1.1rem;
  padding: 14px 36px;
}

/* ============================================
    RESPONSIVE BASE — Tablet (768px+)
    ============================================ */
@media (min-width: 768px) {
  .header__menu-btn { display: none; }
  .header__phone { display: flex; }

  .header__nav {
    display: block !important;
    position: static;
    width: auto;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    transform: none !important;
  }

  .header__nav-list {
    flex-direction: row;
    gap: 4px;
  }

  .header__nav-link {
    padding: 8px 10px;
    font-size: 0.85rem;
  }

  .section-title { font-size: 2.5rem; }
  .contacto__grid { grid-template-columns: 1fr 1fr; }
  .hero__title { font-size: 2.8rem; }
}

@media (max-width: 1023px) {
  .header__logo-text { display: none; }
}

/* ============================================
    RESPONSIVE BASE — Desktop (1024px+)
    ============================================ */
@media (min-width: 1024px) {
  .section-title { font-size: 2.5rem; }
  .hero { padding: 160px 0 80px; }
  .hero__title { font-size: 3.2rem; }
}

/* ============================================
    PREFERS-REDUCED-MOTION
    ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .card-hover:hover { transform: none; }
  .brand-item:hover img { transform: none; }
}