/* ═══════════════════════════════════════════════════════════
   CENOTES HOMÚN — style.css  (global)
   Última actualización: UI/UX upgrade
═══════════════════════════════════════════════════════════ */

/* ─── VARIABLES ─────────────────────────────────────────── */
:root {
  --agua:       #0a9da8;
  --agua-deep:  #066b73;
  --agua-light: #7fe3e8;
  --agua-pale:  #e0f7f8;
  --selva:      #1a3a2a;
  --selva-deep: #0d2018;
  --arena:      #f5ede0;
  --piedra:     #c8b89a;
  --blanco:     #fafafa;
  --texto:      #1c1c1c;
  --acento:     #e8a000;
  --gris:       #f0f0ee;
  --gris-medio: #e2e2de;
  --exito:      #38a169;

  /* Sombras */
  --sombra-s:  0 1px 4px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --sombra-m:  0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --sombra-l:  0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
  --sombra-xl: 0 24px 64px rgba(0,0,0,0.16), 0 8px 24px rgba(0,0,0,0.08);

  /* Radios */
  --r-s:  6px;
  --r-m:  12px;
  --r-l:  18px;
  --r-xl: 24px;

  /* Transiciones */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--blanco);
  color: var(--texto);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── SCROLLBAR PERSONALIZADO ───────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gris); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(to bottom, var(--agua), var(--agua-deep));
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--agua-deep); }

/* ─── SELECTION ─────────────────────────────────────────── */
::selection { background: rgba(10,157,168,0.2); color: var(--selva); }

/* ─── FOCUS ─────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--agua);
  outline-offset: 3px;
  border-radius: var(--r-s);
}

/* ─── NAV ───────────────────────────────────────────────── */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 16px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.45s var(--ease-smooth),
              box-shadow 0.45s var(--ease-smooth),
              padding 0.3s var(--ease-smooth);
}
#site-nav.nav-dark {
  background: linear-gradient(to bottom, rgba(10,28,20,0.88) 0%, transparent 100%);
  backdrop-filter: blur(2px);
}
#site-nav.nav-light {
  background: rgba(250,250,250,0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.07), var(--sombra-s);
  position: sticky;
}
#site-nav.nav-scrolled {
  background: rgba(13,32,20,0.97) !important;
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
  padding: 12px 48px;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.85; }
.nav-dark .nav-logo,
.nav-scrolled .nav-logo { color: var(--arena); }
.nav-light .nav-logo { color: var(--selva); }
.nav-logo span { color: var(--agua-light); }
.nav-light .nav-logo span { color: var(--agua); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 400;
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
  position: relative;
  padding: 6px 12px;
  border-radius: var(--r-s);
}
.nav-dark .nav-link,
.nav-scrolled .nav-link { color: rgba(245,237,224,0.72); }
.nav-light .nav-link { color: #555; }
.nav-dark .nav-link:hover,
.nav-scrolled .nav-link:hover {
  color: white;
  background: rgba(255,255,255,0.08);
}
.nav-light .nav-link:hover {
  color: var(--selva);
  background: var(--gris);
}

.nav-link.active {
  font-weight: 600;
}
.nav-dark .nav-link.active,
.nav-scrolled .nav-link.active { color: var(--agua-light); }
.nav-light .nav-link.active { color: var(--agua); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 12px; right: 12px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.nav-lang {
  display: flex;
  gap: 2px;
  align-items: center;
  margin: 0 6px;
  padding: 3px;
  border-radius: var(--r-s);
  background: rgba(255,255,255,0.06);
}
.nav-light .nav-lang { background: var(--gris); }

.lang-btn {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s;
  color: rgba(245,237,224,0.4);
}
.nav-light .lang-btn { color: #bbb; }
.lang-btn:hover { color: white; background: rgba(255,255,255,0.12); }
.nav-light .lang-btn:hover { color: var(--selva); background: white; }
.lang-btn.active {
  background: rgba(127,227,232,0.2);
  color: var(--agua-light);
}
.nav-light .lang-btn.active {
  background: white;
  color: var(--agua);
  box-shadow: var(--sombra-s);
}

.nav-cta {
  background: var(--agua);
  color: white !important;
  border: none;
  padding: 8px 18px;
  border-radius: 24px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  text-decoration: none;
  display: inline-block;
  margin-left: 4px;
  box-shadow: 0 2px 10px rgba(10,157,168,0.35);
}
.nav-cta:hover {
  background: var(--agua-deep) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(10,157,168,0.45);
}
.nav-cta:active { transform: translateY(0); }
.nav-cta.active::after { display: none; }

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--r-s);
  transition: background 0.2s;
}
.nav-toggle:hover { background: rgba(255,255,255,0.1); }
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}
.nav-dark .nav-toggle span,
.nav-scrolled .nav-toggle span { background: var(--arena); }
.nav-light .nav-toggle span { background: var(--selva); }

.nav-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,28,20,0.98);
  backdrop-filter: blur(20px);
  z-index: 199;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-link {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  color: var(--arena);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s, color 0.2s, transform 0.2s;
  padding: 8px 24px;
}
.nav-mobile-link:hover { color: var(--agua-light); opacity: 1; transform: translateX(4px); }
.nav-mobile-close {
  position: absolute;
  top: 18px; right: 20px;
  background: rgba(255,255,255,0.08);
  border: none;
  color: var(--arena);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: var(--r-s);
  transition: background 0.2s;
}
.nav-mobile-close:hover { background: rgba(255,255,255,0.16); }
.nav-mobile-lang {
  display: flex; gap: 16px; margin-top: 16px;
}
.nav-mobile-lang a {
  color: rgba(245,237,224,0.4); font-size: 0.85rem;
  font-weight: 700; text-decoration: none; letter-spacing: 0.12em;
  padding: 6px 12px; border-radius: var(--r-s);
  transition: all 0.2s;
}
.nav-mobile-lang a.active { color: var(--agua-light); background: rgba(127,227,232,0.1); }
.nav-mobile-lang a:hover { color: var(--agua-light); }

@media (max-width: 768px) {
  #site-nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

/* ─── FOOTER ────────────────────────────────────────────── */
#site-footer {
  background: var(--selva-deep);
  padding: 72px 48px 40px;
  color: rgba(245,237,224,0.42);
  position: relative;
  overflow: hidden;
}
#site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(127,227,232,0.3), transparent);
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem;
  color: var(--arena);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 10px;
  transition: opacity 0.2s;
}
.footer-logo:hover { opacity: 0.85; }
.footer-logo span { color: var(--agua-light); }
.footer-tagline {
  font-size: 0.83rem;
  color: rgba(245,237,224,0.35);
  line-height: 1.7;
  max-width: 220px;
}
.footer-col h4 {
  color: rgba(245,237,224,0.65);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 0.84rem;
  color: rgba(245,237,224,0.38);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.2s, transform 0.2s;
}
.footer-col a:hover {
  color: var(--agua-light);
  transform: translateX(3px);
}
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: var(--agua-light); text-decoration: none; transition: opacity 0.2s; }
.footer-bottom a:hover { opacity: 0.8; }

@media (max-width: 900px) {
  #site-footer { padding: 56px 24px 32px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ─── WHATSAPP FLOAT ────────────────────────────────────── */
#whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 52px; height: 52px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 2px 8px rgba(37,211,102,0.2);
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s;
  text-decoration: none;
}
#whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 28px rgba(37,211,102,0.5), 0 2px 8px rgba(37,211,102,0.3);
}
#whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(37,211,102,0.2);
  animation: pulse-wa 2.5s ease-out infinite;
}
@keyframes pulse-wa {
  0%   { transform: scale(1); opacity: 0.6; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ─── BUTTONS ───────────────────────────────────────────── */
.btn-primary {
  background: var(--agua);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: var(--r-m);
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 12px rgba(10,157,168,0.3);
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: var(--agua-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(10,157,168,0.4);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(10,157,168,0.3); }

.btn-secondary {
  background: transparent;
  color: var(--arena);
  border: 1.5px solid rgba(245,237,224,0.28);
  padding: 13px 32px;
  border-radius: var(--r-m);
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(4px);
}
.btn-secondary:hover {
  border-color: rgba(127,227,232,0.6);
  color: var(--agua-light);
  background: rgba(127,227,232,0.06);
}

/* ─── SHARED LABELS ─────────────────────────────────────── */
.section-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--agua);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 20px; height: 2px;
  background: var(--agua);
  border-radius: 1px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.9rem, 3.5vw, 3.1rem);
  line-height: 1.15;
  color: var(--selva);
  letter-spacing: -0.02em;
}
.section-title em { font-style: italic; color: var(--agua-deep); }

/* ─── TIP / WARNING BOXES ───────────────────────────────── */
.tip-box {
  background: rgba(10,157,168,0.06);
  border-left: 3px solid var(--agua);
  border-radius: 0 var(--r-m) var(--r-m) 0;
  padding: 16px 20px;
  margin: 24px 0;
  transition: background 0.2s;
}
.tip-box:hover { background: rgba(10,157,168,0.1); }
.tip-box-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--agua);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.tip-box p { font-size: 0.88rem; color: #555; margin: 0; line-height: 1.68; }

.warning-box {
  background: rgba(232,160,0,0.06);
  border-left: 3px solid var(--acento);
  border-radius: 0 var(--r-m) var(--r-m) 0;
  padding: 16px 20px;
  margin: 24px 0;
}
.warning-box-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--acento);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.warning-box p { font-size: 0.88rem; color: #555; margin: 0; line-height: 1.68; }

/* ─── SCROLL ANIMATIONS ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

/* ─── ANIMATIONS ────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-48%) scale(0.97); }
  to   { opacity: 1; transform: translateY(-50%) scale(1); }
}
@keyframes rippleOut {
  0%   { opacity: 0.5; transform: scale(0.85); }
  100% { opacity: 0;   transform: scale(1.25); }
}
@keyframes floatUp {
  0%   { opacity: 0; transform: translateY(0) scale(1); }
  20%  { opacity: 0.6; }
  80%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-220px) scale(0.2); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}