/* ============================================================
   main.css — Estilos globales y variables del Portal Municipal
   Alcaldía Municipal de San Salvador Sur
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* --- Variables CSS institucionales --- */
:root {
  --color-primary-dark:  #000060;
  --color-primary:       #001ba0;
  --color-accent:        #00aaff;
  --color-accent-light:  #e8f7ff;
  --color-bg:            #e8eaf6;
  --color-bg-light:      #f4f5fb;
  --color-white:         #ffffff;
  --color-text:          #1a1a2e;
  --color-text-muted:    #546E8A;
  --color-border:        #d1d5e8;
  --color-success:       #00b894;
  --color-warning:       #fdcb6e;
  --color-danger:        #d63031;

  --font-heading: 'Bahnschrift', sans-serif;
  --font-body:    'Bahnschrift', sans-serif;

  --shadow-sm:   0 2px 8px rgba(0,27,160,0.08);
  --shadow-md:   0 6px 24px rgba(0,27,160,0.12);
  --shadow-lg:   0 16px 48px rgba(0,27,160,0.18);
  --shadow-glow: 0 0 30px rgba(0,170,255,0.25);

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  22px;
  --radius-xl:  32px;

  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --nav-height: 70px;
}

/* --- Reset y base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-primary-dark);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover { color: var(--color-accent); }

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

/* --- Accesibilidad: Skip to content (WCAG 2.2 AA) --- */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 12px 24px;
  font-weight: 600;
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) 0;
  transition: top 0.2s;
}
.skip-to-content:focus {
  top: 0;
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Focus visible global */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- Utilidades --- */
.text-primary-dark { color: var(--color-primary-dark) !important; }
.text-primary      { color: var(--color-primary) !important; }
.text-accent       { color: var(--color-accent) !important; }
.text-muted-custom { color: var(--color-text-muted) !important; }

.bg-primary-dark   { background-color: var(--color-primary-dark) !important; }
.bg-primary-mun    { background-color: var(--color-primary) !important; }
.bg-accent         { background-color: var(--color-accent) !important; }
.bg-site           { background-color: var(--color-bg) !important; }
.bg-light-custom   { background-color: var(--color-bg-light) !important; }

.font-heading      { font-family: var(--font-heading) !important; }
.fw-800            { font-weight: 800 !important; }

/* --- Sección base --- */
.section-padding {
  padding: 80px 0;
}
.section-padding-sm {
  padding: 50px 0;
}

/* --- Títulos de sección --- */
.section-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-accent-light), #d0ebff);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 12px;
  border: 1px solid rgba(0,170,255,0.25);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Botones personalizados --- */
.btn-mun-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white) !important;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 12px 28px;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-mun-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, #0027c8, var(--color-primary));
  color: var(--color-white) !important;
}

.btn-mun-accent {
  background: linear-gradient(135deg, var(--color-accent), #0088dd);
  color: var(--color-white) !important;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 12px 28px;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0,170,255,0.3);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-mun-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,170,255,0.45);
  color: var(--color-white) !important;
}

.btn-mun-outline {
  background: transparent;
  color: var(--color-primary) !important;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 10px 26px;
  font-size: 0.95rem;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-mun-outline:hover {
  background: var(--color-primary);
  color: var(--color-white) !important;
  transform: translateY(-2px);
}

.btn-mun-white {
  background: var(--color-white);
  color: var(--color-primary) !important;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 12px 28px;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-mun-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-primary-dark) !important;
}

/* --- Cards generales --- */
.card-mun {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: var(--transition);
}
.card-mun:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,170,255,0.3);
}

.card-mun .card-img-top {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* --- Divider decorativo --- */
.divider-accent {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  border-radius: 4px;
  margin: 16px auto;
}

/* --- Iconos de categoría --- */
.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.icon-circle-primary {
  background: linear-gradient(135deg, var(--color-accent-light), #d0ebff);
  color: var(--color-primary);
}
.icon-circle-white {
  background: rgba(255,255,255,0.2);
  color: var(--color-white);
}

/* --- Badge de distrito --- */
.badge-distrito {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(0,170,255,0.2);
}

/* --- Tarjetas de datos (número + label) --- */
.data-card {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.data-card .data-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.data-card .data-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* --- Botón flotante volver arriba --- */
#btn-scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 1050;
}
#btn-scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}
#btn-scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* --- Responsive breakpoints adicionales --- */
@media (max-width: 768px) {
  .section-padding { padding: 56px 0; }
  .section-title { font-size: 1.7rem; }
  #btn-scroll-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .section-padding { padding: 40px 0; }
  .btn-mun-primary, .btn-mun-accent, .btn-mun-outline, .btn-mun-white {
    font-size: 0.88rem;
    padding: 10px 20px;
  }
}