:root {
  --verde-oscuro: #0B3D2E;
  --verde-intenso: #146C43;
  --verde-accesible: #198754;
  --verde-brillante: #22B95E;
  --verde-claro: #A4FBA6;
  --blanco: #FFFFFF;
  --gris: #3A3A3A;
  --gris-medio: #5A5A5A;
  --gris-claro: #F5F5F5;
  --gris-oscuro: #1E1E1E;
  --gris-suave: #252525;
  --negro: #121212;
  --texto-oscuro: #1C1C1C;
  --texto-claro: #EAEAEA;
}

/* ===== GLOBALES ===== */
body {
  font-family: 'Public Sans', sans-serif;
  color: var(--texto-oscuro);
  background: var(--blanco);
  line-height: 1.6;
  transition: background .4s, color .4s;
}

h1, h2, h3, h4, h5 {
  color: var(--verde-intenso);
  font-weight: 700;
}

p, li {
  color: var(--gris);
}

/* ===== NAVBAR ===== */
.navbar {
  background: var(--blanco);
  box-shadow: 0 2px 5px rgba(0,0,0,.1);
}

.navbar a {
  color: var(--verde-intenso) !important;
  font-weight: 600;
}

.navbar a:hover,
.navbar .active {
  color: var(--verde-brillante) !important;
}

/* ===== BOTONES ===== */
.btn-outline {
  border: 2px solid var(--verde-intenso) !important;
  color: var(--verde-intenso) !important;
  font-weight: 600;
  padding: 0.5rem 1.3rem;
  border-radius: 6px;
  transition: all 0.3s ease;
  background: transparent !important;
}

.btn-outline:hover {
  background: var(--verde-intenso) !important;
  color: var(--blanco) !important;
}

.btn-filled,
a.btn-filled,
.btn.btn-filled {
  display: inline-block;
  padding: 0.5rem 1.3rem;
  border-radius: 6px;
  background-color: var(--verde-intenso) !important;
  border: 2px solid var(--verde-intenso) !important;
  color: #ffffff !important;
  font-weight: 600;
  text-align: center;
  text-decoration: none !important;
  transition: all 0.3s ease;
}

/* Fuerza texto blanco en todos los estados */
.btn-filled:hover,
.btn-filled:focus,
.btn-filled:active,
.btn-filled:visited,
a.btn-filled:hover,
a.btn-filled:focus,
a.btn-filled:active,
a.btn-filled:visited {
  background-color: var(--verde-brillante) !important;
  border-color: var(--verde-brillante) !important;
  color: #ffffff !important;
  text-decoration: none !important;
}

/* ===== HERO ===== */
.carousel-item {
  height: 90vh;
}
.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(70%);
}
.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  background: rgba(0, 0, 0, .55);
  color: var(--blanco);
  padding: 2rem 2.5rem;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .4);
}
.hero-text span {
  color: var(--verde-brillante);
}
.hero-text p {
  color: #F1F1F1;
}

/* ===== SECCIONES ===== */
section {
  padding: 5rem 1rem;
}
.section-title {
  color: var(--verde-intenso);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
}
.bg-light {background: var(--gris-claro);}
.bg-white {background: var(--blanco);}

/* ===== SERVICIOS ===== */
.features-container {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.feature-card {
  background: var(--blanco);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0,0,0,.08);
  transition: .3s;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 18px rgba(0,0,0,.15);
}
.feature-card i {
  font-size: 3rem;
  color: var(--verde-intenso);
}

/* ===== MISION/VISION ===== */
.mv-box {
  background: var(--blanco);
  border-left: 6px solid var(--verde-intenso);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-radius: 8px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, .05);
}

/* ===== EQUIPO ===== */
.team {background: var(--gris-claro);}
.team-photo {
  width: 150px; height: 150px;
  border-radius: 50%;
  overflow: hidden;
  margin: auto;
  box-shadow: 0 4px 10px rgba(0,0,0,.15);
}
.team-card h3 {color: var(--verde-intenso);}
.cargo {color: var(--gris);}
.creditos-text {color: var(--verde-intenso);}

/* ===== CONTACTO ===== */
#contacto a {
  color: var(--verde-intenso);
  font-weight: 700;
}
#contacto a:hover {text-decoration: underline;}
.ubicacion {color: var(--gris-medio);}

/* ===== FOOTER ===== */
footer {
  background: var(--verde-oscuro);
  color: #F2F2F2;
  padding: 2rem 0;
}
.footer-slogan {color: #C8F7D5;}
.social a {
  color: #B9F6CA;
  font-size: 1.5rem;
  margin: 0 .4rem;
}
.social a:hover {color: #fff;}
.footer-bottom {color: #E0E0E0;}

/* ===== BOTÓN MODO OSCURO ===== */
.modo-oscuro-btn {
  position: fixed; bottom: 30px; right: 30px;
  width: 55px; height: 55px;
  border-radius: 50%;
  background: var(--verde-intenso);
  color: #fff;
  border: none;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,.25);
  font-size: 1.6rem;
}
.modo-oscuro-btn:hover {background: var(--verde-accesible);}

body.modo-oscuro {
  background: #1B1B1B;
  color: var(--texto-claro);
}

/* Títulos y texto */
body.modo-oscuro h1, 
body.modo-oscuro h2, 
body.modo-oscuro h3, 
body.modo-oscuro h4, 
body.modo-oscuro h5 {
  color: var(--verde-claro);
}
body.modo-oscuro p, 
body.modo-oscuro li {
  color: #E0E0E0;
}

/* Secciones */
body.modo-oscuro .bg-white,
body.modo-oscuro .bg-light,
body.modo-oscuro .info-section {
  background: #222222 !important;
  color: #EDEDED !important;
}

/* Navbar */
body.modo-oscuro .navbar {
  background: #1F1F1F;
  box-shadow: 0 2px 5px rgba(255,255,255,.05);
}
body.modo-oscuro .navbar a {
  color: #EAEAEA !important;
}
body.modo-oscuro .navbar a:hover {
  color: var(--verde-claro) !important;
}

/* Botones */
body.modo-oscuro .btn-outline {
  border-color: #E6E6E6 !important;
  color: #E6E6E6 !important;
}
body.modo-oscuro .btn-outline:hover {
  background: #E6E6E6 !important;
  color: #121212 !important;
}

/* ✅ Registrarse en modo oscuro */
body.modo-oscuro .btn-filled {
  background: var(--verde-accesible) !important;
  color: #ffffff !important;
}
body.modo-oscuro .btn-filled:hover {
  background: var(--verde-brillante) !important;
  color: #ffffff !important;
}

/* HERO */
body.modo-oscuro .hero-text {
  background: rgba(0,0,0,.7);
  color: #FFF;
}
body.modo-oscuro .hero-text span {
  color: #90EE90;
}
body.modo-oscuro .hero-text p {
  color: #EDEDED;
}

/* Tarjetas */
body.modo-oscuro .feature-card {
  background: #2A2A2A;
  color: #EDEDED;
  box-shadow: 0 2px 10px rgba(255,255,255,.04);
}
body.modo-oscuro .feature-card i {
  color: var(--verde-claro);
}

/* Misión / Visión */
body.modo-oscuro .mv-box {
  background: #252525;
  border-left-color: var(--verde-claro);
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}

/* Equipo */
body.modo-oscuro .team {background: #202020;}
body.modo-oscuro .cargo {color: #CCCCCC;}
body.modo-oscuro .creditos-text {color: var(--verde-claro);}

/* Contacto */
body.modo-oscuro #contacto a {color: var(--verde-claro);}
body.modo-oscuro #contacto a:hover {color: #B9F6CA;}
body.modo-oscuro .ubicacion {color: #E0E0E0;}

/* Footer */
body.modo-oscuro footer {
  background: #181818;
  color: #E0E0E0;
}
body.modo-oscuro .footer-slogan {color: var(--verde-claro);}
body.modo-oscuro .social a {color: #A8F0A8;}
body.modo-oscuro .social a:hover {color: #FFF;}
body.modo-oscuro .footer-bottom {color: #CCCCCC;}

/* ===== ACCESIBILIDAD ===== */
a:focus, button:focus {
  outline: 3px solid var(--verde-accesible);
  outline-offset: 3px;
}

/* ===== RESPONSIVE ===== */
@media(max-width:992px){
  .hero-text h1 {font-size: 2.2rem;}
}
@media(max-width:768px){
  .hero-text {padding: 1.5rem;}
  .hero-text h1 {font-size: 2rem;}
  section {padding: 3rem 1rem;}
}
@media(max-width:480px){
  .hero-text h1 {font-size: 1.7rem;}
  .hero-text p {font-size: 1rem;}
}


/* ========== MODO OSCURO - BOTONES ========== */
body.modo-oscuro .btn-filled {
    background-color: var(--verde-brillante) !important;
    border-color: var(--verde-brillante) !important;
    color: #ffffff !important;
}

body.modo-oscuro .btn-filled:hover {
    background-color: var(--verde-intenso) !important;
    border-color: var(--verde-intenso) !important;
    color: #ffffff !important;
}

body.modo-oscuro .btn-outline {
    border-color: var(--verde-brillante) !important;
    color: var(--verde-brillante) !important;
}

body.modo-oscuro .btn-outline:hover {
    background-color: var(--verde-brillante) !important;
    color: var(--negro) !important;
}


/* ========== ESTILOS PARA FOTOS DEL EQUIPO ========== */
.team-photo {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid var(--verde-intenso);
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Si la imagen no carga, mostrar un placeholder */
.team-photo img[src*="user3.jpg"] {
    background-color: #d4a574;
}

body.modo-oscuro .team-photo {
    border: 1px solid var(--verde-brillante);
    background-color: #3a3a3a;
}


/* ========== ONLOADER ========== */
#onloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    flex-direction: column;
    transition: opacity 0.8s ease;
}

#onloader .spinner {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #1e7e34;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

#onloader p {
    font-size: 16px;
    color: #333;
    font-weight: bold;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

body.modo-oscuro #onloader {
    background: #1a1a1a;
}

body.modo-oscuro #onloader p {
    color: #e0e0e0;
}