/* =========================================================
   Landing pública — Ayuntamiento de Ojinaga
   Misma identidad del panel de admin (azul marino institucional,
   Inter, vidrio funcional) en registro de página pública:
   fotografía real del municipio, ritmo editorial, un único
   llamado a la acción (WhatsApp), sin métricas de SaaS.
   ========================================================= */

:root {
  --brand: #14204f;
  --brand-dark: #0c1636;
  --brand-light: #e9eaf5;
  --brand-rgb: 20, 32, 79;
  --brand-ring: rgba(20, 32, 79, 0.35);

  --accent: #e0127c;
  --accent-dark: #b30e63;
  --accent-light: #fbe6f1;
  --accent-rgb: 224, 18, 124;

  --ink: #0f172a;
  --ink-muted: #526074;
  --ink-faint: #7c8aa0;
  --surface: #ffffff;
  --bg: #f6f8f7;
  --border: #e6e9ee;
  --border-strong: #d7dce3;

  --whatsapp: #1fa855;
  --whatsapp-dark: #14803e;

  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 14px 32px -12px rgba(15, 23, 42, 0.2);
  --shadow-lg: 0 30px 70px -22px rgba(15, 23, 42, 0.32);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 480ms;

  --content-w: 1160px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body.landing {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 1rem;
  line-height: 1.55;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
  margin: 0;
}

p { text-wrap: pretty; }

a { color: var(--brand); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--brand-ring);
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  left: 0;
}

/* =========================
   Header
   ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: var(--content-w);
  margin-inline: auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.site-brand img {
  height: 38px;
  width: auto;
}

.site-brand span {
  font-size: 0.83rem;
  font-weight: 700;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1.1rem 1.5rem;
}

.site-nav > a:not(.btn-whatsapp):not(.btn-outline) {
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}
.site-nav > a:not(.btn-whatsapp):not(.btn-outline):hover { color: var(--brand-dark); }

/* =========================
   Botones
   ========================= */

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--whatsapp);
  color: #fff;
  text-decoration: none;
  font-weight: 650;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  box-shadow: 0 10px 24px -8px rgba(20, 128, 62, 0.5);
  transition: background var(--dur) var(--ease-out), transform 0.15s var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.btn-whatsapp:hover { background: var(--whatsapp-dark); color: #fff; }
.btn-whatsapp:active { transform: scale(0.97); }

.btn-whatsapp-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  box-shadow: none;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  color: #fff;
  text-decoration: none;
  font-weight: 650;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); color: #fff; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  color: var(--brand-dark);
  text-decoration: none;
  font-weight: 650;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1.5px solid var(--brand);
  transition: background 0.15s ease, color 0.15s ease;
}
.btn-outline:hover { background: var(--brand); color: #fff; }

/* =========================
   Hero
   ========================= */

.hero {
  position: relative;
  min-height: min(88vh, 720px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}

.hero-media {
  position: absolute;
  inset: 0;
  background-image: url('img/login-bg.jpg');
  background-size: cover;
  background-position: center 60%;
  transform: scale(1.04);
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 34, 24, 0.35) 0%, rgba(6, 34, 24, 0.55) 55%, rgba(5, 26, 19, 0.88) 100%),
    linear-gradient(100deg, rgba(6, 46, 32, 0.55) 0%, rgba(6, 46, 32, 0.1) 55%);
}

.hero-content {
  position: relative;
  max-width: var(--content-w);
  margin-inline: auto;
  width: 100%;
  padding: 3.5rem 1.5rem 4rem;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 0.65rem;
  opacity: 0;
  animation: heroRise 700ms var(--ease-out) 80ms forwards;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  opacity: 0;
  animation: heroRise 750ms var(--ease-out) 160ms forwards;
}

.hero-lead {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: rgba(255, 255, 255, 0.92);
  max-width: 640px;
  margin: 0 0 2rem;
  opacity: 0;
  animation: heroRise 750ms var(--ease-out) 260ms forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  opacity: 0;
  animation: heroRise 750ms var(--ease-out) 360ms forwards;
}

@keyframes heroRise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-eyebrow, .hero h1, .hero-lead, .hero-actions {
    animation: none;
    opacity: 1;
  }
}

/* =========================
   Secciones
   ========================= */

.section {
  max-width: var(--content-w);
  margin-inline: auto;
  padding: 4.5rem 1.5rem;
}

.section-alt {
  max-width: none;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-alt > .section-head,
.section-alt > .info-layout {
  max-width: var(--content-w);
  margin-inline: auto;
}

.section-head {
  margin-bottom: 2.25rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
}

.section-head p {
  color: var(--ink-muted);
  margin: 0.4rem 0 0;
  font-size: 1.02rem;
}

.empty-state {
  color: var(--ink-muted);
  font-size: 1rem;
  padding: 2rem 0;
  max-width: 60ch;
}

/* Reveal en scroll: visible por default (sin JS o con
   prefers-reduced-motion se queda así). Solo si el navegador
   soporta IntersectionObserver y permite movimiento se oculta
   antes de animar. */
.js-reveal-ready .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.js-reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   Noticias
   ========================= */

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 380px));
  justify-content: start;
  gap: 1.75rem;
}

.news-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.news-card a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.news-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--brand-light);
}

.news-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease-out);
}

.news-card:hover .news-card-media img {
  transform: scale(1.05);
}

.news-card-fallback {
  width: 100%;
  height: 100%;
  background:
    url('img/logo-ojinaga.png') center / 46% no-repeat,
    linear-gradient(155deg, var(--brand), var(--brand-dark));
  background-blend-mode: normal;
  opacity: 0.92;
}

.news-card-body {
  padding: 1.35rem 1.4rem 1.5rem;
}

.news-card-body time {
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--brand-dark);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.news-card-body h3 {
  font-size: 1.12rem;
  margin: 0.5rem 0 0.5rem;
  line-height: 1.3;
}

.news-card-body p {
  color: var(--ink-muted);
  font-size: 0.92rem;
  margin: 0 0 0.85rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-link {
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--brand-dark);
}

/* =========================
   Información del municipio
   ========================= */

.info-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
}

.info-list {
  border-top: 1px solid var(--border-strong);
}

.info-item {
  border-bottom: 1px solid var(--border-strong);
  padding: 1.15rem 0;
}

.info-item summary {
  cursor: pointer;
  font-weight: 650;
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.info-item summary::-webkit-details-marker { display: none; }

.info-item summary::after {
  content: '+';
  flex-shrink: 0;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--brand);
  transition: transform 0.2s var(--ease-out);
}

.info-item[open] summary::after {
  content: '−';
}

.info-item p {
  color: var(--ink-muted);
  margin: 0.85rem 0 0;
  white-space: pre-line;
  max-width: 68ch;
}

.directory {
  background: var(--brand-light);
  border-radius: var(--radius);
  padding: 1.6rem 1.7rem;
}

.directory h3 {
  font-size: 1.05rem;
  color: var(--brand-dark);
  margin-bottom: 0.6rem;
}

.directory-note {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin: 0 0 1.1rem;
}

.directory ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.directory li {
  padding-top: 0.9rem;
  border-top: 1px solid rgba(var(--brand-rgb), 0.16);
}
.directory li:first-child {
  padding-top: 0;
  border-top: none;
}

.directory li strong {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 0.2rem;
}

.directory li span {
  display: block;
  font-size: 0.83rem;
  color: var(--ink-muted);
}

/* =========================
   Artículo de noticia
   ========================= */

.article-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.article-back {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-decoration: none;
  margin-bottom: 1.5rem;
}
.article-back:hover { color: var(--brand-dark); }

.article-date {
  display: block;
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--brand-dark);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.6rem;
}

.article h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1.75rem;
}

.article-image {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 1.75rem;
  display: block;
}

.article-body {
  font-size: 1.06rem;
  line-height: 1.75;
  color: var(--ink);
  white-space: pre-line;
  max-width: 68ch;
}

/* =========================
   404
   ========================= */

.not-found-page {
  max-width: 560px;
  margin: 0 auto;
  padding: 6rem 1.5rem 8rem;
  text-align: center;
}

.not-found-code {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--brand-light);
  -webkit-text-stroke: 1.5px var(--brand);
  margin: 0 0 0.5rem;
}

.not-found-page h1 { margin-bottom: 0.75rem; }
.not-found-page p { color: var(--ink-muted); margin-bottom: 2rem; }

/* =========================
   Footer
   ========================= */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 3rem 1.5rem 1.5rem;
}

.site-footer-inner {
  max-width: var(--content-w);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand img { height: 40px; width: auto; }

.footer-brand strong {
  display: block;
  font-size: 0.92rem;
}

.footer-brand span {
  display: block;
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--brand-dark); }

.footer-note {
  max-width: var(--content-w);
  margin: 2rem auto 0;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* =========================
   Responsive
   ========================= */

@media (max-width: 860px) {
  .info-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-brand span { display: none; }
  .site-nav { gap: 0.6rem; }
  .site-nav > a:not(.btn-whatsapp):not(.btn-outline) { display: none; }
  .btn-outline { padding: 0.45rem 0.85rem; font-size: 0.78rem; }
  .hero { min-height: 82vh; }
  .section { padding: 3.5rem 1.25rem; }
  .btn-ghost { display: none; }
}