/* ============================================================
   VIAJES CHIAPAS — Global Stylesheet
   Design System: Material You / Emerald Palette
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

/* ----- Reset & Base ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: #f9f9f9;
  color: #1a1c1c;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ----- Typography ----- */
.font-headline, h1, h2, h3, h4 { font-family: 'Be Vietnam Pro', sans-serif; }

/* ----- Design Tokens ----- */
:root {
  --primary:              #006d3d;
  --primary-container:    #3cb371;
  --primary-fixed:        #86fab0;
  --primary-fixed-dim:    #69dd96;
  --on-primary:           #ffffff;
  --on-primary-container: #003f21;
  --secondary:            #006a65;
  --secondary-container:  #76f3ea;
  --on-secondary:         #ffffff;
  --on-secondary-container: #006f69;
  --tertiary:             #465f89;
  --tertiary-container:   #869fce;
  --on-tertiary:          #ffffff;
  --surface:              #f9f9f9;
  --surface-dim:          #dadada;
  --surface-bright:       #f9f9f9;
  --surface-container-lowest: #ffffff;
  --surface-container-low:    #f3f3f3;
  --surface-container:        #eeeeee;
  --surface-container-high:   #e8e8e8;
  --surface-container-highest:#e2e2e2;
  --on-surface:           #1a1c1c;
  --on-surface-variant:   #3e4a40;
  --outline:              #6e7a6f;
  --outline-variant:      #bdcabd;
  --inverse-surface:      #2f3131;
  --inverse-on-surface:   #f1f1f1;
  --error:                #ba1a1a;
  --error-container:      #ffdad6;
  --whatsapp:             #25D366;
  --whatsapp-dark:        #128C7E;
  --radius-sm:  0.25rem;
  --radius-md:  0.5rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-full: 9999px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,109,61,.12);
  --shadow-lg:  0 8px 32px rgba(0,109,61,.18);
  --shadow-xl:  0 16px 48px rgba(0,109,61,.22);
  --transition: 200ms ease;
}

/* ----- Material Symbols ----- */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
.icon-filled { font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24; }

/* ----- Utilities ----- */
.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: linear-gradient(135deg, var(--primary) 0%, #3cb371 100%);
  color: #fff;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: .875rem;
  transition: transform var(--transition), opacity var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}
.btn-primary:hover  { transform: scale(1.02); opacity: .95; box-shadow: var(--shadow-lg); }
.btn-primary:active { transform: scale(.97); }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: var(--whatsapp);
  color: #fff;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: .875rem;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 14px rgba(37,211,102,.35);
}
.btn-whatsapp:hover  { transform: scale(1.02); box-shadow: 0 8px 24px rgba(37,211,102,.5); }
.btn-whatsapp:active { transform: scale(.97); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: 2px solid var(--outline-variant);
  color: var(--on-surface);
  padding: .75rem 1.75rem;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: .875rem;
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover { border-color: var(--primary); background: rgba(0,109,61,.04); }

.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
.no-scrollbar::-webkit-scrollbar { display: none; }

/* ----- Navigation ----- */
.site-nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(189,202,189,.2);
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition);
}
.site-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  background: linear-gradient(to right, #004d2b, var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -.5px;
  text-decoration: none;
}
.site-nav .brand span:first-child {
  display: inline-block;
}
.brand-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  padding: .22rem .55rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(0,109,61,.14) 0%, rgba(0,106,101,.12) 100%);
  color: var(--primary);
  font-size: .62rem;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 1px rgba(0,109,61,.08);
  -webkit-text-fill-color: initial;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: .875rem;
  font-weight: 500;
  color: #4a5568;
  transition: color var(--transition), transform var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--primary); transform: translateY(-1px); }
.nav-links a.active {
  color: var(--primary);
  font-weight: 700;
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 100%; height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #1a1c1c; border-radius: 2px; transition: var(--transition); }

@media (max-width: 768px) {
  .site-nav {
    padding: 0 1.25rem;
  }
  .site-nav .brand {
    gap: .45rem;
    font-size: 1.05rem;
  }
  .brand-pill {
    min-width: 38px;
    padding: .18rem .45rem;
    font-size: .56rem;
    letter-spacing: .14em;
  }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: absolute;
    top: 72px; left: 0;
    width: 100%;
    background: rgba(255,255,255,.98);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--outline-variant);
    box-shadow: var(--shadow-md);
  }
}

/* ----- Footer ----- */
.site-footer {
  background: #f9f9f9;
  border-top: 1px solid var(--outline-variant);
  padding: 3rem 2rem 2rem;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand { font-family: 'Be Vietnam Pro', sans-serif; font-size: 1.1rem; font-weight: 800; color: #004d2b; }
.footer-desc { font-size: .8rem; color: var(--outline); margin-top: .5rem; line-height: 1.7; }
.footer-col h6 { font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: #2d3748; margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: .5rem; }
.footer-col a { font-size: .8rem; color: var(--outline); transition: color var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { max-width: 1200px; margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--outline-variant); font-size: .75rem; color: var(--outline); text-align: center; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ----- WhatsApp Fab ----- */
.wa-fab {
  position: fixed;
  bottom: 1.75rem; right: 1.75rem;
  z-index: 200;
  width: 56px; height: 56px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(37,211,102,.5);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.wa-fab:hover  { transform: scale(1.1); box-shadow: 0 8px 28px rgba(37,211,102,.6); }
.wa-fab:active { transform: scale(.95); }
.wa-fab svg { width: 28px; height: 28px; fill: #fff; }
.wa-fab-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,.4);
  animation: pulseFab 2.5s ease-out infinite;
}
@keyframes pulseFab {
  0%   { transform: scale(1);   opacity: .8; }
  70%  { transform: scale(1.4); opacity: 0;  }
  100% { transform: scale(1.4); opacity: 0;  }
}

/* ----- Animations ----- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .55s ease both; }
.fade-up-1 { animation-delay: .1s; }
.fade-up-2 { animation-delay: .22s; }
.fade-up-3 { animation-delay: .34s; }
.fade-up-4 { animation-delay: .46s; }

/* ----- Badge ----- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .6rem;
  border-radius: var(--radius-full);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.badge-primary  { background: var(--primary); color: #fff; }
.badge-secondary{ background: var(--secondary-container); color: var(--on-secondary-container); }
.badge-success  { background: #d1fae5; color: #065f46; }
.badge-warning  { background: #fef3c7; color: #92400e; }
.badge-danger   { background: #fee2e2; color: #991b1b; }

/* ----- Card base ----- */
.card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* ----- Section spacing ----- */
section { padding: 5rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }

/* ----- Scrollbar (desktop) ----- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--outline-variant); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: var(--outline); }