/* =====================================================
   LENVER — Estilos comunes (header, nav, footer, base)
   ===================================================== */

:root {
  --color-primary: #00bcd4;
  --color-primary-dark: #03abcf;
  --color-primary-darker: #04172b;
  --color-dark: #222222;
  --color-text: #333333;
  --color-logo-start: #278293;
  --color-logo-end: #24353d;
  --ease-smooth: cubic-bezier(0.25, 0.8, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --header-height: 78px;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  color: var(--color-text);
}

body.no-scroll {
  overflow: hidden;
}

a {
  -webkit-tap-highlight-color: transparent;
}

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

/* Accesibilidad: foco visible para teclado */
a:focus-visible,
button:focus-visible,
.hamburger:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Logo */
.logo {
  height: 50px;
  width: auto;
  cursor: pointer;
  transition: transform 0.3s var(--ease-smooth), opacity 0.25s ease;
}

.logo:hover {
  transform: scale(1.04);
}

/* ===== HEADER ===== */
header {
  position: fixed;
  width: 100%;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.85) 30%, rgba(0, 0, 0, 0.85) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  padding: 15px 30px;
  justify-content: space-between;
  align-items: center;
  z-index: 3000;
  top: 0;
  left: 0;
  transition: transform 0.35s var(--ease-smooth);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: transform;
}

header.hide {
  transform: translateY(-100%);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Navegación */
.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  text-decoration: none;
  color: #fff;
  font-weight: 500;
  letter-spacing: 0.2px;
  transition: color 0.25s var(--ease-smooth);
  position: relative;
}

.nav-links li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-primary-dark);
  transition: width 0.3s var(--ease-smooth);
}

.nav-links li a:hover {
  color: var(--color-primary-dark);
}

.nav-links li a:hover::after {
  width: 100%;
}

.nav-links li a.activo {
  color: var(--color-primary-dark);
  font-weight: 700;
}

.nav-links li a.activo::after {
  width: 100%;
}

/* Hamburguesa */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 4000;
  margin-left: auto;
  position: relative;
  padding: 8px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: white;
  border-radius: 3px;
  transition: all 0.3s var(--ease-smooth);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease-smooth);
  z-index: 2000;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Responsive nav */
@media (max-width: 768px) {
  header {
    background: linear-gradient(to right, rgba(255, 255, 255, 0.85) 43%, rgba(0, 0, 0, 0.85) 100%);
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -260px;
    height: 100vh;
    width: 260px;
    background: rgba(20, 20, 20, 0.97);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 34px;
    transition: right 0.4s var(--ease-smooth);
    z-index: 3000;
  }

  .nav-links.active {
    right: 0;
  }

  .hamburger {
    display: flex;
  }

  /* El logo se desvanece mientras el menú móvil está abierto, para que
     el panel no lo tape a medias en pantallas angostas */
  body.no-scroll .logo {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
}

/* ===== FOOTER ===== */
#footer {
  background: linear-gradient(to bottom, #ffffff 0%, var(--color-dark) 10%, var(--color-dark) 100%);
  color: #fff;
  padding: 80px 20px 50px;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1200px;
  margin: auto;
  flex-wrap: wrap;
  gap: 30px;
  text-align: center;
}

.footer-col {
  flex: 1;
  min-width: 250px;
}

.footer-col h3 {
  margin-bottom: 15px;
  font-size: 1.3rem;
  color: var(--color-primary);
}

.footer-logo {
  max-width: 120px;
  margin-bottom: 15px;
  transition: transform 0.3s var(--ease-smooth);
}

.footer-logo:hover {
  transform: scale(1.05);
}

.social-icons a {
  color: #fff;
  font-size: 1.6rem;
  margin: 0 10px;
  display: inline-block;
  transition: transform 0.3s var(--ease-smooth), color 0.3s var(--ease-smooth);
}

.social-icons a:hover {
  color: var(--color-primary);
  transform: scale(1.2) translateY(-3px);
}

.footer-col p {
  margin: 10px 0;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-col i {
  margin-right: 10px;
  color: var(--color-primary);
}

.footer-col a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s var(--ease-smooth);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.direccion p {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .footer-col {
    width: 100%;
    max-width: 300px;
  }

  .footer-col p {
    justify-content: center;
  }
}

.derechos {
  text-align: center;
  color: #ccc;
  background-color: var(--color-dark);
  padding: 16px 20px;
  font-size: 0.9rem;
}

/* Respeta a quien prefiere menos movimiento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== Títulos con color del logo (celeste → azul oscuro) ===== */
.heading-gradient {
  color: var(--color-logo-end);
  position: relative;
  padding-bottom: 10px;
}

.heading-gradient::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 70px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-logo-start), var(--color-primary), var(--color-logo-end));
  background-size: 200% auto;
  animation: heading-underline 5s linear infinite;
}

@keyframes heading-underline {
  to { background-position: -200% center; }
}

@media (prefers-reduced-motion: reduce) {
  .heading-gradient::after {
    animation: none;
  }
}

/* ===== Botón flotante de WhatsApp (reutilizable en cualquier página) ===== */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  text-decoration: none;
  opacity: 0;
  transform: translateY(50px) scale(0.8);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), box-shadow 0.3s var(--ease-smooth);
  z-index: 9999;
}

.whatsapp-float.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.whatsapp-float:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
  transform: scale(1.08);
}

/* Burbuja de mensaje opcional junto al botón */
.whatsapp-bubble {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: #fff;
  color: #222;
  padding: 10px 16px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(4, 23, 43, 0.22);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.whatsapp-bubble::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  border-width: 6px 0 6px 6px;
  border-style: solid;
  border-color: transparent transparent transparent #fff;
}

.whatsapp-bubble.show {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 420px) {
  .whatsapp-bubble {
    right: auto;
    left: 50%;
    top: auto;
    bottom: 74px;
    transform: translateX(-50%) translateY(8px);
    white-space: normal;
    max-width: 220px;
    text-align: center;
  }

  .whatsapp-bubble::after {
    top: auto;
    right: auto;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px 6px 0 6px;
    border-color: #fff transparent transparent transparent;
  }

  .whatsapp-bubble.show {
    transform: translateX(-50%) translateY(0);
  }
}

/* ===== Botón genérico reutilizable (píldora cian) ===== */
.btn-box {
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  border-radius: 30px;
  cursor: pointer;
  z-index: 10;
  position: relative;
  font-weight: 600;
  transition: background 0.3s var(--ease-smooth), transform 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
  box-shadow: 0 4px 12px rgba(0, 188, 212, 0.35);
}

.btn:hover {
  background: var(--color-primary-darker);
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
}