/* ============================================================
   SISTEMA DE DISEÑO — DDE ATLACOMULCO
   Paleta: aqua oscuro · azul-verde · blanco limpio
   Estilo: minimalista gubernamental moderno
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Variables ── */
:root {
  /* Paleta aqua-azul-blanco */
  --aqua:        #0d7a8a;
  --aqua-dark:   #085e6e;
  --aqua-deep:   #054450;
  --aqua-mid:    #1097aa;
  --aqua-light:  #2ab8cc;
  --aqua-pale:   #d6f1f5;
  --aqua-xpale:  #edfafb;
  --azul:        #0d7a8a;   /* alias for compatibility */
  --azul-mid:    #1097aa;
  --azul-light:  #2ab8cc;
  --oro:         #0d7a8a;
  --oro-light:   #2ab8cc;
  --oro-pale:    #d6f1f5;
  --acento:      #edfafb;
  --verde:       #0d7a8a;
  --verde-light: #1097aa;
  --blanco:      #ffffff;
  --off-white:   #f7fefe;
  --gris-50:     #f8fffe;
  --gris-100:    #eef7f8;
  --gris-200:    #cde8eb;
  --gris-400:    #7aacb2;
  --gris-600:    #3a6b72;
  --gris-700:    #2d5259;
  --negro:       #071a1d;

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Espaciado */
  --gap-xs:  0.4rem;
  --gap-sm:  0.8rem;
  --gap-md:  1.6rem;
  --gap-lg:  3.2rem;
  --gap-xl:  6.4rem;

  /* Radio */
  --r-sm:   4px;
  --r-md:   10px;
  --r-lg:   20px;
  --r-pill: 100px;

  /* Sombras */
  --sombra-sm:  0 1px 4px rgba(13,122,138,.07);
  --sombra-md:  0 4px 20px rgba(13,122,138,.12);
  --sombra-lg:  0 12px 40px rgba(13,122,138,.18);
  --sombra-oro: 0 4px 16px rgba(13,122,138,.2);

  /* Transiciones */
  --t-fast: .14s ease;
  --t-mid:  .28s ease;
  --t-slow: .5s ease;

  /* Layout */
  --max-w:  1280px;
  --nav-h:  64px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--blanco);
  color: var(--negro);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Tipografía ── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--aqua-deep);
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.55rem); font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
p  { color: var(--gris-700); font-size: 1rem; }
.lead { font-size: 1.1rem; color: var(--gris-700); line-height: 1.7; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap-md);
}
.section { padding: var(--gap-xl) 0; }
.section--alt { background: var(--gris-50); }
.section--tinted { background: var(--aqua-xpale); }

.section__header { text-align: center; margin-bottom: var(--gap-lg); }
.section__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .7rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--aqua);
  background: var(--aqua-pale);
  padding: .25em 1em;
  border-radius: var(--r-pill);
  margin-bottom: var(--gap-sm);
  border: 1px solid var(--aqua-pale);
}
.section__title  { margin-bottom: .5rem; }
.section__sub    { max-width: 560px; margin: 0 auto; }

/* ── Botones ── */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .7rem 1.5rem;
  border-radius: var(--r-sm);
  font-weight: 600; font-size: .9rem;
  transition: all var(--t-mid);
  white-space: nowrap; letter-spacing: .01em;
}
.btn--primary {
  background: var(--aqua);
  color: #fff;
  box-shadow: 0 2px 8px rgba(13,122,138,.25);
}
.btn--primary:hover {
  background: var(--aqua-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(13,122,138,.3);
}
.btn--gold {
  background: var(--aqua-mid);
  color: #fff;
}
.btn--gold:hover {
  background: var(--aqua);
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--aqua);
  border: 1.5px solid var(--aqua);
}
.btn--outline:hover { background: var(--aqua-xpale); }
.btn--ghost {
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.3);
}
.btn--ghost:hover { background: rgba(255,255,255,.22); }
.btn--sm  { padding: .4rem .9rem; font-size: .82rem; }
.btn--lg  { padding: .9rem 2rem; font-size: 1rem; }

/* ── Cards ── */
.card {
  background: #fff;
  border-radius: var(--r-md);
  border: 1px solid var(--gris-200);
  overflow: hidden;
  transition: all var(--t-mid);
}
.card:hover {
  box-shadow: var(--sombra-md);
  border-color: var(--aqua-pale);
  transform: translateY(-3px);
}
.card__body  { padding: var(--gap-md); }
.card__tag {
  display: inline-block; font-size: .7rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--aqua); background: var(--aqua-pale);
  padding: .2em .8em; border-radius: var(--r-pill);
  margin-bottom: var(--gap-sm);
}
.card__title { font-size: 1.05rem; color: var(--aqua-deep); margin-bottom: .4rem; }
.card__meta  { font-size: .8rem; color: var(--gris-400); font-family: var(--font-mono); }

/* ── Badge ── */
.badge { display: inline-flex; align-items: center; gap: .3rem; padding: .2em .7em; border-radius: var(--r-pill); font-size: .76rem; font-weight: 600; }
.badge--green { background: #d6f5ed; color: #0a5c45; }
.badge--blue  { background: var(--aqua-pale); color: var(--aqua-deep); }
.badge--gold  { background: var(--aqua-pale); color: var(--aqua); }

/* ── Grids ── */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--gap-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--gap-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--gap-md); }

/* ── Flex ── */
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--gap-sm); }
.gap-md { gap: var(--gap-md); }

/* ── Divisor ── */
.divider {
  width: 36px; height: 3px;
  background: var(--aqua);
  border-radius: 2px;
  margin: .7rem auto 0;
  opacity: .6;
}
.divider--left { margin-left: 0; }

/* ── Pills ── */
.cat-pill {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .28em 1em; border-radius: var(--r-pill);
  font-size: .76rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
}

/* ── Formularios ── */
.form-group   { margin-bottom: var(--gap-md); }
.form-label   { display: block; font-weight: 500; font-size: .88rem; margin-bottom: .35rem; color: var(--aqua-deep); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: .65rem .9rem;
  border: 1.5px solid var(--gris-200);
  border-radius: var(--r-sm);
  font-size: .92rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  background: #fff; color: var(--negro);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--aqua);
  box-shadow: 0 0 0 3px rgba(13,122,138,.12);
}
.form-textarea { resize: vertical; min-height: 100px; }

/* ── Alert ── */
.alert { padding: .75rem 1.1rem; border-radius: var(--r-sm); font-size: .88rem; border-left: 3px solid; }
.alert--info    { background: var(--aqua-xpale); border-color: var(--aqua); color: var(--aqua-deep); }
.alert--warning { background: #fffbf0; border-color: #d97706; color: #7a4800; }
.alert--success { background: #f0fdf8; border-color: #0d7a8a; color: #054450; }

/* ── Skip link ── */
.skip-link { position:absolute; top:-999px; left:0; background:var(--aqua); color:#fff; padding:.5rem 1rem; z-index:9999; border-radius:0 0 var(--r-sm) 0; }
.skip-link:focus { top: 0; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }

/* ── Animaciones ── */
 to{opacity:1;transform:translateY(0)} }
 to{opacity:1} }








.reveal { opacity: 1; transform: none; }
.reveal.visible { opacity: 1; transform: none; }

/* ── Topbar — cintillo horizontal ── */
.topbar {
  background: var(--aqua-deep);
  color: rgba(255,255,255,.88);
  font-size: .78rem;
  padding: .45rem 0;
  font-family: var(--font-mono);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.topbar .container {
  display: flex; align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm); flex-wrap: wrap;
}
.topbar__left, .topbar__right {
  display: flex; align-items: center; gap: var(--gap-md);
}
.topbar a { color: rgba(255,255,255,.88); transition: color var(--t-fast); }
.topbar a:hover { color: var(--aqua-light); }
.topbar__item { display: flex; align-items: center; gap: .4rem; }
.topbar__sep  { color: rgba(255,255,255,.2); }

/* ── Navbar ── */
.navbar {
  position: sticky;
  top: 0; z-index: 900;
  background: #fff;
  border-bottom: 1px solid var(--gris-200);
  height: var(--nav-h);
  box-shadow: 0 1px 8px rgba(13,122,138,.06);
  transition: box-shadow var(--t-mid);
  overflow: visible;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(13,122,138,.12); }

.navbar__inner {
  height: 100%;
  display: flex; align-items: center;
  justify-content: space-between;
  gap: var(--gap-md);
  overflow: visible;
}

.navbar__brand {
  display: flex; align-items: center;
  gap: .65rem; text-decoration: none; flex-shrink: 0;
}
.navbar__logo-wrap {
  width: 40px; height: 40px;
  background: var(--aqua-deep);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
}
.navbar__brand-text { line-height: 1.15; }
.navbar__brand-top {
  font-family: var(--font-body);
  font-size: .92rem; font-weight: 700;
  color: var(--aqua-deep); display: block;
}
.navbar__brand-sub {
  font-family: var(--font-mono);
  font-size: .62rem; color: var(--gris-400);
  text-transform: uppercase; letter-spacing: .08em;
}

.navbar__nav {
  display: flex; align-items: center; gap: .15rem;
  overflow: visible;
}
.nav-link {
  position: relative;
  padding: .45rem .7rem;
  font-size: .84rem; font-weight: 500;
  color: var(--gris-700);
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--aqua); background: var(--aqua-xpale);
}
.nav-link.active::after {
  content: '';
  position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 16px; height: 2px;
  background: var(--aqua);
  border-radius: 1px;
}

/* Dropdown */
.nav-item { position: relative; }

/* Pseudo-element bridge fills the gap between nav-link and dropdown
   so the mouse can travel without losing hover */
.nav-item::after {
  content: '';
  position: absolute;
  bottom: -12px; left: 0; right: 0;
  height: 12px;
  background: transparent;
  display: none;
}
.nav-item:hover::after { display: block; }

.dropdown {
  position: absolute;
  top: calc(100% + 4px); /* 4px visual gap */
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border-radius: var(--r-md);
  box-shadow: 0 8px 32px rgba(13,122,138,.18);
  min-width: 220px;
  /* Visibility controlled by opacity + pointer-events only — NO translateY movement */
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  /* Fast transition so menu doesn't linger */
  transition: opacity .15s ease, visibility .15s ease;
  border: 1px solid var(--gris-200);
  padding: .4rem 0;
  z-index: 9500;
  overflow: visible;
}
/* Show: instant on, fast off */
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  pointer-events: all;
  visibility: visible;
}
/* Invisible bridge INSIDE dropdown top so mouse can enter from nav-link */
.dropdown::before {
  content: '';
  position: absolute;
  top: -10px; left: 0; right: 0;
  height: 10px;
  background: transparent;
}
.dropdown__link {
  display: flex; align-items: center; gap: .55rem;
  padding: .6rem 1.1rem; font-size: .85rem;
  color: var(--gris-700);
  transition: background .1s, color .1s;
  white-space: nowrap;
}
.dropdown__link:hover { background: var(--aqua-xpale); color: var(--aqua); }
.dropdown__link span  { font-size: .95rem; flex-shrink: 0; }

/* Navbar actions */
.navbar__actions { display: flex; align-items: center; gap: var(--gap-sm); }

/* Search */
.navbar__search { position: relative; }
.navbar__search-input {
  padding: .4rem 2rem .4rem .8rem;
  border: 1.5px solid var(--gris-200);
  border-radius: var(--r-pill);
  font-size: .82rem;
  width: 0; opacity: 0;
  transition: all var(--t-mid);
  pointer-events: none;
}
.navbar__search.open .navbar__search-input {
  width: 190px; opacity: 1; pointer-events: all;
}
.navbar__search-btn {
  position: absolute; right: 5px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--gris-400);
  cursor: pointer; padding: .2rem; font-size: .95rem;
  transition: color var(--t-fast);
}
.navbar__search-btn:hover { color: var(--aqua); }

/* Hamburger — desktop hidden */
.navbar__hamburger { display: none; }
/* Mobile menu — desktop hidden */
.mobile-menu       { display: none !important; }

/* ── Footer ── */
.footer {
  background: var(--aqua-deep);
  color: rgba(255,255,255,.72);
  padding: var(--gap-xl) 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--gap-lg);
  padding-bottom: var(--gap-lg);
}
.footer__logo-wrap {
  width: 44px; height: 44px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: var(--gap-md);
}
.footer__brand-name  { font-family: var(--font-body); font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: .2rem; }
.footer__brand-sub   { font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.35); }
.footer__desc        { font-size: .84rem; line-height: 1.7; color: rgba(255,255,255,.5); margin-top: var(--gap-md); }
.footer__col-title   { font-family: var(--font-body); font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.45); margin-bottom: var(--gap-md); padding-bottom: .4rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer__links       { display: flex; flex-direction: column; gap: .55rem; }
.footer__link        { font-size: .83rem; color: rgba(255,255,255,.55); transition: color var(--t-fast); display: flex; align-items: center; gap: .4rem; }
.footer__link:hover  { color: var(--aqua-light); }
.footer__contact-item{ display: flex; align-items: flex-start; gap: .7rem; margin-bottom: var(--gap-sm); font-size: .83rem; color: rgba(255,255,255,.55); }
.footer__contact-icon{ flex-shrink: 0; color: var(--aqua-light); font-size: .95rem; margin-top: .1rem; }
.footer__social      { display: flex; gap: .5rem; margin-top: var(--gap-md); }
.footer__social-link { width: 32px; height: 32px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-size: .9rem; color: rgba(255,255,255,.55); transition: all var(--t-mid); }
.footer__social-link:hover { background: var(--aqua); border-color: var(--aqua); color: #fff; }
.footer__bottom      { border-top: 1px solid rgba(255,255,255,.07); padding: var(--gap-md) 0; display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; font-size: .75rem; color: rgba(255,255,255,.3); font-family: var(--font-mono); }
.footer__bottom a    { color: rgba(255,255,255,.4); transition: color var(--t-fast); }
.footer__bottom a:hover { color: var(--aqua-light); }

/* ── Accesibilidad ── */
body.alto-contraste { filter: contrast(1.5) grayscale(.1); }
body.fuente-grande  { font-size: 18px; }