/* ============================================================
   ADS ONG — Estilos principales
   Fundación ADS · adsong.org
   ============================================================ */

/* --- Variables corporativas --- */
:root {
  --azul:        #1B5FA8;
  --azul-oscuro: #0d3d6e;
  --verde:       #5A8F2E;
  --naranja:     #E07B2A;
  --azul-light:  #e8f1fa;
  --verde-light: #eef5e6;
  --naranja-light: #fdf2e7;
  --gris-bg:     #f6f6f2;
  --gris-borde:  #e0dfd8;
  --texto:       #1a1a1a;
  --texto-muted: #666660;
  --blanco:      #ffffff;
  --radio:       10px;
  --radio-lg:    16px;
  --sombra:      0 2px 16px rgba(0,0,0,0.08);
}

/* --- Reset básico --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  color: var(--texto);
  background: var(--blanco);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================
   BARRA DE ADMIN (solo visible cuando hay sesión)
   ============================================================ */
.admin-bar {
  background: #1a2940;
  color: rgba(255,255,255,0.75);
  font-size: 12px;
  padding: 7px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.admin-bar a {
  color: var(--naranja);
  font-weight: 500;
}
.admin-bar a:hover { text-decoration: underline; }
.admin-bar-links { display: flex; gap: 16px; }

/* ============================================================
   NAVEGACIÓN
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo img {
  height: 46px;
  width: auto;
}
.nav-logo-text {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 17px;
  font-weight: 400;
  color: var(--texto);
  line-height: 1.2;
}
.nav-logo-text span {
  display: block;
  font-family: 'Segoe UI', sans-serif;
  font-size: 11px;
  color: var(--texto-muted);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--texto-muted);
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover,
.nav-links a.activo {
  background: var(--azul-light);
  color: var(--azul);
}
.nav-dona {
  background: var(--naranja);
  color: var(--blanco) !important;
  padding: 9px 22px !important;
  border-radius: 24px !important;
  font-weight: 600;
  font-size: 13px !important;
  letter-spacing: 0.04em;
  transition: background 0.2s !important;
}
.nav-dona:hover { background: #c56920 !important; }

/* Menú hamburguesa móvil */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--texto);
  border-radius: 2px;
  transition: 0.3s;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul) 55%, var(--verde) 100%);
  padding: 80px 32px 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.04) 0%, transparent 60%),
                    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 50%);
}
.hero-inner { position: relative; max-width: 680px; margin: 0 auto; }
.hero h1 {
  font-family: Georgia, serif;
  font-size: 42px;
  font-weight: 400;
  color: var(--blanco);
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero h1 em {
  font-style: normal;
  color: #fdc76a;
}
.hero p {
  color: rgba(255,255,255,0.85);
  font-size: 17px;
  max-width: 520px;
  margin: 0 auto 32px;
}
.hero-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--naranja);
  color: var(--blanco);
  padding: 13px 30px;
  border-radius: 28px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.2s, transform 0.1s;
  display: inline-block;
}
.btn-primary:hover { background: #c56920; transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--blanco);
  padding: 13px 30px;
  border-radius: 28px;
  font-size: 14px;
  font-weight: 500;
  border: 1.5px solid rgba(255,255,255,0.55);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  display: inline-block;
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.08);
}

/* ============================================================
   ESTADÍSTICAS
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--gris-borde);
  background: var(--blanco);
}
.stat {
  padding: 28px 16px;
  text-align: center;
  border-right: 1px solid var(--gris-borde);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: Georgia, serif;
  font-size: 34px;
  font-weight: 400;
  color: var(--azul);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 11px;
  color: var(--texto-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   SECCIONES GENÉRICAS
   ============================================================ */
.section { padding: 64px 32px; }
.section-alt { background: var(--gris-bg); }
.container { max-width: 960px; margin: 0 auto; }
.section-titulo {
  font-family: Georgia, serif;
  font-size: 28px;
  font-weight: 400;
  color: var(--texto);
  margin-bottom: 8px;
}
.section-sub {
  font-size: 15px;
  color: var(--texto-muted);
  margin-bottom: 40px;
}

/* Franja de color corporativa */
.franja {
  height: 4px;
  background: linear-gradient(90deg, var(--azul) 0%, var(--verde) 50%, var(--naranja) 100%);
}

/* ============================================================
   COMPROMISOS
   ============================================================ */
.compromisos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.compromiso {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  padding: 24px 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.compromiso:hover {
  border-color: var(--azul);
  box-shadow: var(--sombra);
}
.compromiso-icono {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 22px;
}
.ic-azul { background: var(--azul-light); }
.ic-verde { background: var(--verde-light); }
.ic-naranja { background: var(--naranja-light); }
.compromiso h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--texto);
  margin-bottom: 6px;
}
.compromiso p {
  font-size: 13px;
  color: var(--texto-muted);
  line-height: 1.55;
}

/* ============================================================
   BLOG / NOTICIAS
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.blog-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  box-shadow: var(--sombra);
  transform: translateY(-3px);
}
.blog-card-img {
  height: 160px;
  overflow: hidden;
  background: var(--azul-light);
}
.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.blog-card:hover .blog-card-img img { transform: scale(1.04); }
.blog-card-img-placeholder {
  height: 100%;
  background: linear-gradient(135deg, var(--azul) 0%, var(--verde) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}
.blog-card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-card-cat {
  font-size: 11px;
  font-weight: 600;
  color: var(--naranja);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.blog-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--texto);
  line-height: 1.4;
  margin-bottom: 10px;
  flex: 1;
}
.blog-card-fecha {
  font-size: 12px;
  color: var(--texto-muted);
}
.blog-card-leer {
  font-size: 13px;
  color: var(--azul);
  font-weight: 500;
  margin-top: 10px;
  display: inline-block;
}
.blog-card-leer:hover { text-decoration: underline; }

/* ============================================================
   HAZTE SOCIO
   ============================================================ */
.socio-banner {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul) 100%);
  padding: 64px 32px;
  text-align: center;
}
.socio-banner h2 {
  font-family: Georgia, serif;
  font-size: 32px;
  font-weight: 400;
  color: var(--blanco);
  margin-bottom: 12px;
}
.socio-banner p {
  color: rgba(255,255,255,0.82);
  font-size: 16px;
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.65;
}
.socio-form {
  display: flex;
  gap: 10px;
  max-width: 520px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.socio-form input {
  flex: 1;
  min-width: 180px;
  padding: 13px 20px;
  border-radius: 28px;
  border: none;
  background: rgba(255,255,255,0.15);
  color: var(--blanco);
  font-size: 14px;
  outline: none;
  border: 1px solid rgba(255,255,255,0.2);
}
.socio-form input::placeholder { color: rgba(255,255,255,0.55); }
.socio-form input:focus { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.2); }
.socio-form .btn-primary { flex-shrink: 0; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contacto-info h3, .contacto-form-wrap h3 {
  font-family: Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 24px;
  color: var(--texto);
}
.contacto-item {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 14px;
  color: var(--texto-muted);
  align-items: flex-start;
}
.contacto-item-ico {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--azul-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}
.contacto-item-txt a { color: var(--azul); }
.contacto-item-txt a:hover { text-decoration: underline; }

/* Formulario de contacto */
.form-row { margin-bottom: 14px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--texto-muted);
  margin-bottom: 5px;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  font-size: 14px;
  font-family: inherit;
  color: var(--texto);
  background: var(--blanco);
  transition: border-color 0.2s;
  outline: none;
}
.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(27,95,168,0.1);
}
.form-row textarea { height: 110px; resize: vertical; }
.btn-enviar {
  background: var(--azul);
  color: var(--blanco);
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-enviar:hover { background: var(--azul-oscuro); }
.form-ok {
  background: var(--verde-light);
  color: var(--verde);
  padding: 12px 16px;
  border-radius: var(--radio);
  font-size: 14px;
  margin-top: 12px;
  display: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0d1f35;
  color: rgba(255,255,255,0.65);
  padding: 48px 32px 24px;
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto 32px;
}
.footer h4 {
  color: var(--blanco);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
}
.footer a {
  display: block;
  color: rgba(255,255,255,0.55);
  margin-bottom: 8px;
  transition: color 0.15s;
}
.footer a:hover { color: var(--blanco); }
.footer-desc {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255,255,255,0.5);
  max-width: 260px;
  margin-top: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-social {
  display: flex;
  gap: 8px;
}
.social-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255,255,255,0.8);
  transition: background 0.2s;
}
.social-btn:hover { background: rgba(255,255,255,0.2); }

/* ============================================================
   ADMIN PANEL
   ============================================================ */
.admin-wrap {
  min-height: 100vh;
  background: var(--gris-bg);
  font-family: 'Segoe UI', sans-serif;
}
.admin-header {
  background: var(--azul-oscuro);
  color: var(--blanco);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-header h1 { font-size: 18px; font-weight: 500; }
.admin-header a { color: rgba(255,255,255,0.7); font-size: 13px; }
.admin-header a:hover { color: var(--blanco); }
.admin-content {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 24px;
}
.admin-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  padding: 28px;
  margin-bottom: 20px;
}
.admin-card h2 {
  font-size: 17px;
  font-weight: 600;
  color: var(--texto);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gris-borde);
}
.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.admin-stat-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  padding: 20px;
  text-align: center;
}
.admin-stat-card .num {
  font-size: 28px;
  font-weight: 600;
  color: var(--azul);
}
.admin-stat-card .lbl {
  font-size: 12px;
  color: var(--texto-muted);
  margin-top: 4px;
}
.btn-admin {
  background: var(--azul);
  color: var(--blanco);
  padding: 10px 20px;
  border-radius: var(--radio);
  font-size: 13px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  display: inline-block;
  margin-right: 8px;
  margin-top: 8px;
  transition: background 0.2s;
}
.btn-admin:hover { background: var(--azul-oscuro); }
.btn-admin-danger {
  background: #c0392b;
}
.btn-admin-danger:hover { background: #962d22; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul));
}
.login-card {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  padding: 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}
.login-card h2 {
  font-family: Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 8px;
  color: var(--texto);
}
.login-card p {
  font-size: 13px;
  color: var(--texto-muted);
  margin-bottom: 24px;
}
.login-error {
  background: #fdecea;
  color: #c0392b;
  padding: 10px 14px;
  border-radius: var(--radio);
  font-size: 13px;
  margin-bottom: 16px;
}

/* ============================================================
   PÁGINA BLOG
   ============================================================ */
.blog-hero {
  background: var(--azul);
  padding: 48px 32px 40px;
  text-align: center;
  color: var(--blanco);
}
.blog-hero h1 {
  font-family: Georgia, serif;
  font-size: 34px;
  font-weight: 400;
  margin-bottom: 8px;
}
.blog-hero p { color: rgba(255,255,255,0.8); font-size: 16px; }
.noticia-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px;
}
.noticia-cat {
  font-size: 12px;
  font-weight: 600;
  color: var(--naranja);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.noticia-titulo {
  font-family: Georgia, serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--texto);
  margin-bottom: 14px;
}
.noticia-meta {
  font-size: 13px;
  color: var(--texto-muted);
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gris-borde);
}
.noticia-img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radio-lg);
  margin-bottom: 32px;
}
.noticia-contenido {
  font-size: 16px;
  line-height: 1.8;
  color: var(--texto);
}
.noticia-contenido p { margin-bottom: 20px; }
.noticia-contenido h2 {
  font-family: Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  margin: 32px 0 12px;
}

/* ============================================================
   FORMULARIO SOCIOS
   ============================================================ */
.socios-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 56px 24px;
}
.socios-wrap h1 {
  font-family: Georgia, serif;
  font-size: 30px;
  font-weight: 400;
  margin-bottom: 10px;
}
.socios-wrap > p {
  color: var(--texto-muted);
  font-size: 15px;
  margin-bottom: 32px;
  line-height: 1.65;
}
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav { padding: 0 16px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--blanco);
    border-bottom: 1px solid var(--gris-borde);
    padding: 12px 16px;
    gap: 4px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 28px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .compromisos-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .contacto-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .admin-grid { grid-template-columns: 1fr 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .section { padding: 40px 16px; }
}