/* Cool Pools — Shared Components — v5 */

/* ═══ CONTAINER ═══ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--space-xl); }
}

/* ═══ NAV ═══ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}
.nav--scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  z-index: 1002;
}
.nav__logo-icon { flex-shrink: 0; }
.nav__logo-cool {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-blue);
  letter-spacing: -0.02em;
}
.nav__logo-pools {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-cyan);
  letter-spacing: -0.02em;
}
.nav--top .nav__logo-cool,
.nav--top .nav__logo-pools { color: var(--color-white); }
.nav--top .nav__logo-icon circle { stroke: rgba(255,255,255,0.3); fill: rgba(255,255,255,0.1); }
.nav--top .nav__logo-icon path:first-of-type { stroke: rgba(255,255,255,0.8); }
.nav--top .nav__logo-icon path:last-of-type { stroke: var(--color-white); }

.nav__links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}
.nav__links a {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
  letter-spacing: 0.01em;
}
.nav--top .nav__links a { color: rgba(255, 255, 255, 0.85); }
.nav--top .nav__links a:hover { color: var(--color-white); }
.nav__links a:hover { color: var(--color-blue); }

.nav__cta {
  padding: 10px var(--space-md);
  background: var(--color-cyan);
  color: var(--color-white) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.nav__cta:hover {
  background: var(--color-blue);
  transform: translateY(-1px);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px 8px;
  border-radius: var(--radius-md);
  background: var(--color-navy);
  z-index: 1002;
  -webkit-tap-highlight-color: transparent;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition-normal);
}
.nav__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}
.nav__overlay.active { display: block; }

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px var(--space-lg);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--color-cyan);
  color: var(--color-white);
  border-color: var(--color-cyan);
}
.btn--primary:hover {
  background: var(--color-blue);
  border-color: var(--color-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 180, 216, 0.3);
}
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-white);
}
.btn--outline-dark {
  background: transparent;
  color: var(--color-blue);
  border-color: var(--color-blue);
}
.btn--outline-dark:hover {
  background: var(--color-blue);
  color: var(--color-white);
  transform: translateY(-2px);
}
.btn--wa {
  background: var(--color-wa);
  color: var(--color-white);
  border-color: var(--color-wa);
}
.btn--wa:hover {
  background: var(--color-wa-dark);
  border-color: var(--color-wa-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}
.btn--lg {
  padding: var(--space-sm) 40px;
  font-size: var(--text-base);
}

/* ═══ SECTION HELPERS ═══ */
.section {
  padding: var(--space-3xl) 0;
}
.section--alt {
  background: var(--color-bg);
}
.section--navy {
  background: var(--color-navy);
  color: var(--color-white);
}
.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.section__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-cyan);
  margin-bottom: var(--space-sm);
}
.section__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}
.section--navy .section__title { color: var(--color-white); }
.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  font-weight: 400;
}
.section--navy .section__subtitle { color: var(--color-cyan-light); }

/* ═══ FOOTER ═══ */
.footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-2xl) 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer__brand-desc {
  font-size: var(--text-sm);
  font-style: italic;
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.7;
  margin-top: var(--space-sm);
  max-width: 280px;
  opacity: 0.7;
}
.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}
.footer__list { display: flex; flex-direction: column; gap: var(--space-xs); }
.footer__list a {
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}
.footer__list a:hover { color: var(--color-cyan); }
.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
}
.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke: var(--color-cyan);
  fill: none;
  stroke-width: 2;
}
.footer__bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-md) 0;
  font-size: var(--text-xs);
  text-align: center;
}
.footer__socials {
  display: flex;
  gap: var(--space-sm);
}
.footer__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  transition: background var(--transition-fast);
}
.footer__socials a:hover { background: var(--color-cyan); }
.footer__socials svg {
  width: 16px;
  height: 16px;
  fill: var(--color-white);
}
.footer .nav__logo {
  margin-bottom: var(--space-sm);
  display: inline-flex;
}
.footer .nav__logo-cool { color: var(--color-white); }
.footer .nav__logo-pools { color: var(--color-cyan); }
.footer__disclaimer {
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.3);
  padding: var(--space-sm) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ═══ WHATSAPP FLOAT ═══ */
.wa-float {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  width: 64px;
  height: 64px;
  background: var(--color-wa);
  border-radius: var(--radius-full);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 9999;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}
.wa-float svg {
  width: 32px;
  height: 32px;
  fill: var(--color-white);
}

/* ═══ SCROLL TOP ═══ */
.scroll-top {
  position: fixed;
  bottom: 104px;
  right: var(--space-md);
  width: 44px;
  height: 44px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-md);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-fast);
  border: 1px solid var(--color-border);
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover {
  transform: translateY(-2px);
  background: var(--color-navy);
}
.scroll-top:hover svg { fill: var(--color-white); }
.scroll-top svg {
  width: 20px;
  height: 20px;
  fill: var(--color-text);
  transition: fill var(--transition-fast);
}

/* ═══ FADE-IN ═══ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 100ms; }
.fade-in-delay-2 { transition-delay: 200ms; }
.fade-in-delay-3 { transition-delay: 300ms; }

/* ═══ PAGE HEADER (subpages) ═══ */
.page-header {
  position: relative;
  padding: var(--space-3xl) var(--space-md) var(--space-2xl);
  margin-top: 68px;
  color: var(--color-white);
  text-align: center;
  background-color: var(--color-navy);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 180, 216, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(144, 224, 239, 0.08) 0%, transparent 40%),
    linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(0, 95, 143, 0.9) 100%);
  z-index: 0;
}
/* Fondos temáticos por página — foto real + gradient overlay = efecto marca de agua */
.page-header--servicios {
  background-image: url('https://images.unsplash.com/photo-1576013551627-0cc20b96c2a7?w=1600&q=80');
}
.page-header--productos {
  background-image: url('https://images.unsplash.com/photo-1530549387789-4c1017266635?w=1600&q=80');
}
.page-header--mantenimiento {
  background-image: url('https://images.unsplash.com/photo-1600596542815-ffad4c1539a9?w=1600&q=80');
}
.page-header--construccion {
  background-image: url('https://images.unsplash.com/photo-1575429198097-0414ec08e8cd?w=1600&q=80');
}
.page-header--reparacion {
  background-image: url('https://images.unsplash.com/photo-1504309092620-4d0ec726efa4?w=1600&q=80');
}
.page-header--faq {
  background-image: url('https://images.unsplash.com/photo-1519046904884-53103b34b206?w=1600&q=80');
}
.page-header--contacto {
  background-image: url('https://images.unsplash.com/photo-1572331165267-854da2b10ccc?w=1600&q=80');
}
.page-header--asistente {
  background-image: url('https://images.unsplash.com/photo-1551434678-e076c223a692?w=1600&q=80');
}
.page-header--proyecto {
  background-image: url('https://images.unsplash.com/photo-1600596542815-ffad4c1539a9?w=1600&q=80');
}
.page-header h1 {
  position: relative;
  z-index: 1;
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
}
.page-header__sub {
  position: relative;
  z-index: 1;
  font-size: var(--text-lg);
  font-weight: 400;
  opacity: 0.85;
  margin-top: var(--space-xs);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ═══ RESPONSIVE — SHARED ═══ */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    height: 100dvh;
    background: var(--color-white);
    flex-direction: column;
    padding: 80px var(--space-md) var(--space-lg);
    gap: 0;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    transition: right var(--transition-normal);
    overflow-y: auto;
    z-index: 1001;
  }
  .nav__links.active { right: 0; }
  .nav__links li { width: 100%; }
  .nav__links a {
    display: block;
    padding: 14px 0;
    font-size: var(--text-base);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-bg);
  }
  .nav--top .nav__links a { color: var(--color-text); }
  .nav--top .nav__links a:hover { color: var(--color-blue); }
  .nav__hamburger { display: flex; }
  .nav__cta { display: none; }
  .section { padding: var(--space-2xl) 0; }
  .section__title { font-size: var(--text-2xl); }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer__bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
}