/* =================================================================
   arboles.css  —  Catálogo de árboles (estilo idéntico a catalogo.css)
   Identidad visual: rojo institucional, blanco, Roboto Slab.
   Responsive: 1024 / 900 / 600.
   ================================================================= */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --rojo-principal: #D30F23;
    --rojo-oscuro:    #A30B1B;
    --rojo-brillante: #E03143;
    --blanco:         #ffffff;
    --gris-suave:     #F2F0F1;
    --gris-claro:     #E4E1E3;
    --texto-oscuro:   #1F1B1C;
    --gris-texto:     #6B6768;
}

body {
    background: #c9c9c9;
    font-family: 'Roboto', sans-serif;
    color: #333;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ============== HERO ============== */
.hero-catalogo {
    position: relative;
    width: 100%;
    margin-top: 65px;
    border-radius: 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--rojo-oscuro) 0%, var(--rojo-principal) 60%, var(--rojo-brillante) 100%);
    box-shadow: 0 8px 24px rgba(211,15,35,0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 30px 16px 30px;
    color: var(--blanco);
}

.hero-catalogo::before {
    content: "";
    position: absolute;
    top: -40%;
    right: -10%;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    pointer-events: none;
}

.hero-catalogo::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(0,0,0,0.08);
    pointer-events: none;
}

.hero-info {
    text-align: center;
    z-index: 2;
}

.hero-info h1 {
    font-family: 'Roboto Slab', serif;
    font-size: 2.3rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--blanco);
}

.hero-info .hero-subtitulo {
    display: block;
    font-family: 'Roboto', sans-serif;
    font-style: italic;
    font-size: 1rem;
    opacity: 0.85;
    margin-top: 4px;
    font-weight: 400;
}

/* ============== CONTENEDOR ============== */
.contenedor-pagina {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 20px 60px 20px;
}

.contenedor-buscador {
    max-width: 600px;
    margin: 0 auto 24px auto;
    text-align: center;
}

.caja-buscador {
    background: var(--blanco);
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.10);
    padding: 14px;
    display: flex;
    gap: 10px;
}

.input-buscar {
    padding: 12px 18px;
    width: 100%;
    border: 2px solid var(--gris-claro);
    border-radius: 10px;
    font-family: 'Roboto', sans-serif;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.input-buscar:focus { border-color: var(--rojo-principal); }

.btn-buscar {
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--rojo-oscuro), var(--rojo-principal));
    color: var(--blanco);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-family: 'Roboto', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-buscar:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(211,15,35,0.35);
}

/* ============== GRID DE TARJETAS ============== */
.contenedor-aves {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

.ave-card {
    background: var(--blanco);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    text-align: center;
    box-shadow: 0 6px 18px rgba(0,0,0,0.10);
}

.ave-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 30px rgba(211,15,35,0.28);
}

.galeria-imagen-principal {
    position: relative;
}

.ave-imagen {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background-color: var(--gris-claro);
    display: block;
}

.badge-catalogo {
    position: absolute;
    top: 14px;
    left: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--rojo-principal);
    color: var(--blanco);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    letter-spacing: 0.4px;
}

.ave-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.ave-info h2 {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 0 4px 0;
    color: var(--texto-oscuro);
}

.nombre-cientifico {
    font-family: 'Roboto Slab', serif;
    font-style: italic;
    color: var(--gris-texto);
    font-size: 0.88rem;
    margin-bottom: 16px;
    display: block;
}

.btn-mas {
    display: inline-block;
    margin-top: auto;
    background: linear-gradient(135deg, var(--rojo-oscuro), var(--rojo-principal));
    color: var(--blanco);
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 10px;
    font-family: 'Roboto', sans-serif;
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: 2px solid var(--rojo-principal);
}

.btn-mas:hover {
    background: var(--blanco);
    color: var(--rojo-principal);
}

/* ============== ESTADO VACÍO ============== */
.sin-resultados {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 24px;
    color: var(--texto-oscuro);
    font-size: 1.1rem;
    background: var(--blanco);
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.10);
}

/* ============== RESPONSIVE ============== */
@media (max-width: 1024px) {
    .contenedor-aves { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .contenedor-aves { grid-template-columns: 1fr; }
    .caja-buscador { flex-direction: column; }
    .btn-buscar { width: 100%; }
    .hero-info h1 { font-size: 1.7rem; }
}

*, *::before, *::after {
    font-family: 'Roboto Slab', serif !important;
}