/* ============================================================
   Mac Events Oaxaca — Estilos principales
   Archivo: styles.css
   Turismo + Eventos Empresariales & Convenciones — paleta azul
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── VARIABLES DE COLOR (paleta azul marino moderna) ── */
:root {
  --azul-marino:   #0b1830;   /* navbar, footer, fondos oscuros   */
  --azul-medio:    #16305c;   /* sección eventos, hover           */
  --azul-primario: #1565c0;   /* botones, acentos, CTA            */
  --azul-brillante:#2f9bff;   /* acento vivo, gradientes, glow    */
  --azul-claro:    #63b3ff;   /* links hover, logo accent         */
  --azul-suave:    #cfe6ff;   /* tags, badges, texto sobre oscuro */
  --fondo:         #f4f8ff;   /* fondo de página                  */
  --texto:         #10193a;   /* texto principal                  */
  --gris:          #56617a;   /* texto secundario                 */
  --blanco:        #ffffff;

  --gradiente-azul: linear-gradient(135deg, var(--azul-marino) 0%, var(--azul-medio) 55%, var(--azul-primario) 100%);
  --gradiente-acento: linear-gradient(120deg, var(--azul-brillante), var(--azul-primario));

  --radio:    16px;
  --radio-sm: 10px;
  --sombra:   0 6px 28px rgba(11, 24, 48, 0.10);
  --sombra-lg:0 16px 40px rgba(11, 24, 48, 0.18);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font); font-weight: 800; letter-spacing: -0.01em; }

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

/* ── ANIMACIÓN SCROLL-REVEAL (ligera, sin dependencias) ── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── NAVEGACIÓN ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 24, 48, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: 0 1.5rem;
}

nav {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.logo-img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .95;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  list-style: none;
}
.nav-links a {
  position: relative;
  color: var(--azul-suave);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  transition: color .2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--gradiente-acento);
  border-radius: 2px;
  transition: width .25s ease;
}
.nav-links a:hover { color: var(--blanco); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--gradiente-acento);
  color: var(--blanco) !important;
  padding: .5rem 1.1rem;
  border-radius: 50px;
  font-size: .85rem !important;
}
.nav-cta::after { display: none; }

/* hamburger móvil */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--azul-suave);
  border-radius: 2px;
  transition: .3s;
}

/* ── HERO DIVIDIDO: TURISMO + EVENTOS EMPRESARIALES ── */
.hero {
  position: relative;
  color: var(--blanco);
  text-align: center;
  padding: 6rem 1.5rem 4.5rem;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  display: flex;
  z-index: -2;
}
.hero-bg-img {
  flex: 1;
  background-size: cover;
  background-position: center;
}
.hero-bg::after { content: ""; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11,24,48,.75) 0%, rgba(11,24,48,.82) 55%, rgba(11,24,48,.94) 100%),
    linear-gradient(90deg, rgba(11,24,48,.35) 0%, rgba(11,24,48,.15) 50%, rgba(11,24,48,.35) 100%);
  z-index: -1;
}
.hero-eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--azul-claro);
  background: rgba(47,155,255,.12);
  border: 1px solid rgba(47,155,255,.35);
  padding: .4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.3rem;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, #ffffff 30%, var(--azul-suave) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  font-size: 1.12rem;
  max-width: 600px;
  margin: 0 auto 2.2rem;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 400;
}
.hero-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ── BOTONES ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--gradiente-acento);
  color: var(--blanco);
  padding: .85rem 1.9rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: .95rem;
  text-decoration: none;
  letter-spacing: .01em;
  box-shadow: 0 8px 24px rgba(21, 101, 192, .35);
  transition: transform .2s, box-shadow .2s, filter .2s;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(21, 101, 192, .45); filter: brightness(1.06); }

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,.55);
  color: var(--blanco);
  box-shadow: none;
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: var(--blanco); box-shadow: none; }

.btn-white { background: var(--blanco); color: var(--azul-primario); box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.btn-white:hover { background: var(--azul-suave); }

/* ── LAYOUT SECCIONES ── */
section { padding: 4.5rem 1.5rem; }
.container { max-width: 1180px; margin: 0 auto; }

.section-eyebrow {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--azul-primario);
  margin-bottom: .6rem;
}
.section-title {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--azul-marino);
  margin-bottom: .5rem;
}
.section-subtitle {
  color: var(--gris);
  margin-bottom: 2.8rem;
  font-size: .98rem;
  max-width: 560px;
}
.divider {
  width: 54px;
  height: 4px;
  background: var(--gradiente-acento);
  border-radius: 2px;
  margin: .7rem 0 1.3rem;
}

/* ── GRID DE TARJETAS ── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.6rem;
}

.card {
  position: relative;
  background: var(--blanco);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  text-decoration: none;
  color: inherit;
  transition: transform .3s ease, box-shadow .3s ease;
  display: block;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--sombra-lg); }

.card-img-wrap { position: relative; overflow: hidden; }
.card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: #d7e6fb;
  transition: transform .5s ease;
}
.card:hover .card-img { transform: scale(1.06); }

.card-body { padding: 1.2rem 1.35rem 1.4rem; }
.card-body h3 {
  font-size: 1.12rem;
  color: var(--azul-marino);
  margin-bottom: .35rem;
}
.card-body p {
  font-size: .89rem;
  color: var(--gris);
  margin-bottom: .8rem;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--azul-suave);
  color: var(--azul-marino);
  font-size: .74rem;
  padding: .25rem .7rem .25rem .5rem;
  border-radius: 50px;
  margin-bottom: .6rem;
  font-weight: 700;
  letter-spacing: .03em;
}
.card-tag svg { width: 13px; height: 13px; flex-shrink: 0; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .84rem;
  font-weight: 700;
  color: var(--azul-primario);
}
.card-link svg { width: 14px; height: 14px; transition: transform .2s; }
.card:hover .card-link svg { transform: translateX(4px); }

/* ── SECCIÓN EVENTOS EMPRESARIALES / TRANSPORTE (fondo azul oscuro) ── */
.bg-azul {
  background: var(--gradiente-azul);
  position: relative;
}
.bg-azul .section-eyebrow { color: var(--azul-claro); }
.bg-azul .section-title  { color: var(--blanco); }
.bg-azul .section-subtitle { color: rgba(255,255,255,.72); }
.bg-azul .card {
  background: rgba(255,255,255,.06);
  color: var(--blanco);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: none;
}
.bg-azul .card:hover { background: rgba(255,255,255,.11); box-shadow: 0 16px 40px rgba(0,0,0,.25); }
.bg-azul .card-body h3 { color: var(--blanco); }
.bg-azul .card-body p  { color: rgba(255,255,255,.75); }
.bg-azul .card-tag {
  background: rgba(255,255,255,.14);
  color: var(--azul-suave);
}
.bg-azul .card-link { color: var(--azul-claro); }

/* ── GALERÍA ── */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: .9rem;
}
.gallery-item {
  position: relative;
  border-radius: var(--radio-sm);
  overflow: hidden;
  aspect-ratio: 1;
}
.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.gallery-item:hover .gallery-img { transform: scale(1.09); }
.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,24,48,0) 55%, rgba(11,24,48,.55) 100%);
  opacity: 0;
  transition: opacity .3s ease;
}
.gallery-item:hover::after { opacity: 1; }

/* ── CTA ── */
.cta-section {
  position: relative;
  background: var(--gradiente-azul);
  text-align: center;
  padding: 4.5rem 1.5rem;
  overflow: hidden;
}
.cta-section::before,
.cta-section::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,155,255,.25), transparent 70%);
  z-index: 0;
}
.cta-section::before { top: -120px; left: -80px; }
.cta-section::after { bottom: -140px; right: -80px; }
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); color: var(--blanco); margin-bottom: .8rem; }
.cta-section p {
  color: rgba(255,255,255,.85);
  margin-bottom: 1.9rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ── SUBHERO (páginas internas: tour / servicio) ── */
.subhero {
  position: relative;
  color: var(--blanco);
  text-align: center;
  padding: 5.5rem 1.5rem 3.5rem;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.subhero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,24,48,.55) 0%, rgba(11,24,48,.82) 70%, rgba(11,24,48,.94) 100%);
}
.subhero .container { position: relative; z-index: 1; }
.subhero .hero-eyebrow { margin-bottom: 1rem; }
.subhero h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin-bottom: .7rem;
  color: var(--blanco);
}
.subhero p {
  max-width: 620px;
  margin: 0 auto;
  color: rgba(255,255,255,.85);
  font-size: 1.05rem;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  font-size: .85rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}
.breadcrumb a { color: var(--azul-claro); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ── ARTÍCULO / CONTENIDO DE PÁGINA INTERNA ── */
.article .container { max-width: 820px; }
.article p { color: var(--texto); margin-bottom: 1.1rem; }
.article h2 {
  color: var(--azul-marino);
  font-size: 1.35rem;
  margin: 2rem 0 1rem;
}

.check-list { list-style: none; display: grid; gap: .8rem; margin: 1.2rem 0 2.2rem; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  font-size: .96rem;
  color: var(--texto);
}
.check-list svg {
  width: 19px; height: 19px;
  color: var(--azul-primario);
  flex-shrink: 0;
  margin-top: 2px;
}

.detail-cta {
  background: var(--fondo);
  border: 1px solid rgba(21,101,192,.15);
  border-radius: var(--radio);
  padding: 1.8rem;
  text-align: center;
  margin-top: 1.5rem;
}
.detail-cta p { margin-bottom: 1.1rem; color: var(--gris); }

/* ── CONTACTO ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info-list { list-style: none; display: grid; gap: 1.2rem; margin-top: 1.5rem; }
.contact-info-list li { display: flex; align-items: flex-start; gap: .9rem; }
.contact-info-list svg { width: 21px; height: 21px; color: var(--azul-primario); flex-shrink: 0; margin-top: 3px; }
.contact-info-list strong { display: block; color: var(--azul-marino); font-size: .95rem; }
.contact-info-list span, .contact-info-list a { color: var(--gris); font-size: .92rem; text-decoration: none; }
.contact-info-list a:hover { color: var(--azul-primario); }

.contact-form {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.8rem;
}
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-weight: 700;
  font-size: .84rem;
  color: var(--azul-marino);
  margin-bottom: .4rem;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: .75rem .9rem;
  border: 1px solid #d7e3f5;
  border-radius: var(--radio-sm);
  font-family: var(--font);
  font-size: .94rem;
  background: #f9fbff;
  color: var(--texto);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--azul-primario);
  background: var(--blanco);
}
.form-note { font-size: .82rem; color: var(--gris); margin-top: .8rem; }

/* ── FOOTER ── */
footer {
  background: var(--azul-marino);
  color: rgba(255,255,255,.55);
  text-align: center;
  padding: 2.4rem 1.5rem;
  font-size: .85rem;
  border-top: 1px solid rgba(255,255,255,.06);
}
footer a { color: var(--azul-claro); text-decoration: none; font-weight: 600; }
footer a:hover { text-decoration: underline; }

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.1rem;
}

/* ── WHATSAPP FLOTANTE ── */
.whatsapp-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: #25d366;
  color: #fff;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, .45);
  text-decoration: none;
  z-index: 200;
  transition: transform .2s;
  animation: pulse-wa 2.6s ease-in-out infinite;
}
.whatsapp-btn:hover { transform: scale(1.1); animation-play-state: paused; }
.whatsapp-btn svg { width: 28px; height: 28px; fill: #fff; }
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 6px 20px rgba(37, 211, 102, .45); }
  50% { box-shadow: 0 6px 20px rgba(37, 211, 102, .45), 0 0 0 8px rgba(37, 211, 102, .12); }
}
@media (prefers-reduced-motion: reduce) {
  .whatsapp-btn { animation: none; }
}

/* ── RESPONSIVE ── */
@media (max-width: 720px) {
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--azul-marino);
    padding: 1.2rem 1.5rem 1.6rem;
    gap: 1.1rem;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .hero { padding: 4rem 1.2rem 3.2rem; }
  .hero-bg-img:nth-child(2) { display: none; }
}