.ai-container { max-width: 800px; margin: 2rem auto; padding: 0 1rem; }
    .ai-card { background: #fff; border-radius: 12px; padding: 2rem; box-shadow: 0 4px 20px rgba(0,0,0,0.08); text-align: center; }
    .ai-upload-area { border: 2px dashed #C75B35; border-radius: 12px; padding: 3rem 1rem; cursor: pointer; transition: 0.3s; position: relative; overflow: hidden; }
    .ai-upload-area:hover { background: #fff5f2; }
    .ai-upload-area img { max-width: 100%; border-radius: 8px; margin-top: 1rem; display: none; }
    .ai-btn { background: #C75B35; color: #fff; padding: 12px 24px; border: none; border-radius: 8px; font-size: 1.1rem; font-weight: 700; cursor: pointer; margin-top: 1.5rem; display: inline-flex; align-items: center; gap: 8px; }
    .ai-btn:disabled { background: #ccc; cursor: not-allowed; }
    .ai-result { margin-top: 2rem; text-align: left; display: none; border-top: 1px solid #eee; padding-top: 1.5rem; }
    .ai-result h3 { color: #C75B35; margin-top: 0; }
    .ai-warning { background: #fff4f4; border-left: 4px solid #cc0000; padding: 1rem; margin-top: 2rem; color: #660000; font-size: 0.95rem; }
    .loading-spinner { display: none; margin: 2rem auto; width: 40px; height: 40px; border: 4px solid #f3f3f3; border-top: 4px solid #C75B35; border-radius: 50%; animation: spin 1s linear infinite; }
    @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* --- NEW BLOCK --- */

/* --- Highlights rápidos --- */
.potes-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}
.potes-hl-card {
    background: var(--color-cream, #F6EFE8);
    border-radius: var(--radius, 14px);
    padding: 1.2rem 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid rgba(139, 78, 52, 0.2);
}
.potes-hl-icon { 
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-brown, #8B4E34);
    margin-bottom: 0.5rem;
}
.potes-hl-card strong { font-size: 0.95rem; color: var(--color-ink, #2A1D16); }
.potes-hl-card span { font-size: 0.8rem; color: var(--color-ink-2, #5B4B40); }

/* --- Listas editoriales --- */
.potes-list {
    padding-left: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-top: 0.5rem;
}
.potes-list li {
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.65;
    color: var(--color-ink-2, #5B4B40);
    font-size: 1.05rem;
}
.potes-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-mustard, #DFAE5A);
    font-weight: 700;
}

/* --- Conclusión --- */
.potes-conclusion {
    margin-top: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--color-brown-700, #6B3924) 0%, var(--color-brown, #8B4E34) 100%);
    border-radius: var(--radius-lg, 18px);
    color: white;
}
.potes-conclusion h2 {
    margin-top: 0;
    font-size: 1.6rem;
    color: var(--color-mustard, #DFAE5A);
    margin-bottom: 1rem;
}
.potes-conclusion p {
    color: rgba(255,255,255,0.88);
    line-height: 1.7;
    font-size: 1.05rem;
}
.potes-cta-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}
.potes-cta-btn {
    display: inline-block;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius-sm, 10px);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    background: rgba(255,255,255,0.12);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    transition: var(--transition, all .25s ease);
}
.potes-cta-btn:hover { background: rgba(255,255,255,0.22); }
.potes-cta-btn--primary {
    background: var(--color-cta, #C75B35);
    border-color: var(--color-cta, #C75B35);
    color: #fff;
}
.potes-cta-btn--primary:hover {
    background: var(--color-orange, #EB6A45);
    border-color: var(--color-orange, #EB6A45);
}

/* --- NEW BLOCK --- */

    /* fallback si no se carga el css específico */
    .guia-aves-page { background-color: var(--bg-crema); color: var(--text-main); font-family: var(--font-stack); }
  
/* --- NEW BLOCK --- */

    /* Estilos específicos de la guía BTT (mobile-first).
       Si luego quieres, muévelo a tu /assets/css/guias.css */

    .guia-btt-main {
        max-width: 960px;
        margin: 0 auto;
        padding: 2rem 1rem 3rem;
    }

    .guia-btt-intro {
        margin-bottom: 1.5rem;
    }

    .guia-btt-badge {
        display: inline-block;
        font-size: 0.7rem;
        padding: 0.15rem 0.4rem;
        border-radius: 999px;
        background: #eee;
        margin-right: 0.25rem;
    }

    .guia-btt-chip {
        display: inline-flex;
        align-items: center;
        font-size: 0.75rem;
        padding: 0.15rem 0.5rem;
        border-radius: 999px;
        background: #f4f4f4;
        margin-right: 0.25rem;
        margin-bottom: 0.25rem;
    }

    .guia-btt-section {
        margin: 1rem 0;
    }

    .guia-btt-section h2 {
        font-size: 1.1rem;
        margin-bottom: 0.35rem;
    }

    .guia-btt-section p,
    .guia-btt-section li {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .guia-btt-section ul {
        padding-left: 1.1rem;
        margin: 0.25rem 0 0.5rem;
    }

    .guia-btt-panel {
        border-radius: 0.9rem;
        background: #fafafa;
        padding: 0.75rem 0.9rem;
        margin-bottom: 0.75rem;
        border: 1px solid #eee;
    }

    details.guia-btt-details {
        border-radius: 0.9rem;
        background: #fafafa;
        border: 1px solid #eee;
        padding: 0.5rem 0.8rem;
        margin-bottom: 0.75rem;
    }

    details.guia-btt-details summary {
        font-size: 0.9rem;
        font-weight: 600;
        cursor: pointer;
        list-style: none;
    }

    details.guia-btt-details[open] summary {
        margin-bottom: 0.4rem;
    }

    details.guia-btt-details summary::-webkit-details-marker {
        display: none;
    }

    .guia-btt-filtros {
        position: sticky;
        top: 0;
        z-index: 5;
        padding: 0.5rem 0.75rem;
        margin: 0.75rem -1rem 1rem;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(6px);
        border-bottom: 1px solid #eee;
    }

    .guia-btt-filtros-inner {
        display: flex;
        gap: 0.5rem;
        align-items: center;
        flex-wrap: wrap;
    }

    .guia-btt-filtros label {
        display: block;
        font-size: 0.7rem;
        margin-bottom: 0.15rem;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        color: #666;
    }

    .guia-btt-filtros select {
        width: 100%;
        font-size: 0.85rem;
        padding: 0.25rem 0.5rem;
        border-radius: 0.6rem;
        border: 1px solid #ddd;
        background: #fff;
    }

    .guia-btt-filtros button {
        font-size: 0.75rem;
        padding: 0.4rem 0.7rem;
        border-radius: 0.9rem;
        border: 1px solid #ddd;
        background: #f7f7f7;
        cursor: pointer;
        white-space: nowrap;
    }

    .guia-btt-filtros button:active {
        transform: scale(0.98);
    }

    .guia-btt-lista {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    .btt-card {
        border-radius: 1rem;
        border: 1px solid #eee;
        padding: 0.75rem 0.9rem;
        background: #fff;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    }

    .btt-card-header {
        display: flex;
        justify-content: space-between;
        gap: 0.5rem;
        align-items: baseline;
        margin-bottom: 0.25rem;
    }

    .btt-card-title {
        font-size: 1rem;
        font-weight: 600;
    }

    .btt-card-meta {
        font-size: 0.78rem;
        color: #777;
        margin-bottom: 0.4rem;
    }

    .btt-card-meta span + span::before {
        content: "•";
        margin: 0 0.3rem;
    }

    .btt-card-desc {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .btt-card-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
        margin-bottom: 0.25rem;
    }

    .btt-card-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 0.25rem;
        gap: 0.5rem;
    }

    .btt-card-footer small {
        font-size: 0.7rem;
        color: #777;
    }

    .btt-card-link {
        font-size: 0.8rem;
        padding: 0.25rem 0.7rem;
        border-radius: 999px;
        border: 1px solid #ddd;
        background: #fafafa;
        text-decoration: none;
        color: inherit;
        white-space: nowrap;
    }

    .guia-btt-empty {
        font-size: 0.85rem;
        color: #666;
        text-align: center;
        padding: 1.5rem 0.5rem;
    }


    @media (min-width: 720px) {
        .guia-btt-filtros-inner {
            justify-content: flex-start;
        }

        .guia-btt-filtros-cols {
            display: flex;
            gap: 0.75rem;
            flex: 1;
        }
    }

/* --- NEW BLOCK --- */

/* Los mismos estilos premium que el resto del cluster para mantener consistencia */
.potes-highlights { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; margin-top: 2rem; }
.potes-hl-card { background: var(--color-cream, #F6EFE8); border-radius: var(--radius, 14px); padding: 1.2rem 1rem; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 0.4rem; border: 1px solid rgba(139, 78, 52, 0.2); }
.potes-hl-icon { width: 2.5rem; height: 2.5rem; color: var(--color-brown, #8B4E34); margin-bottom: 0.5rem; }
.potes-hl-card strong { font-size: 0.95rem; color: var(--color-ink, #2A1D16); }
.potes-hl-card span { font-size: 0.8rem; color: var(--color-ink-2, #5B4B40); }
.potes-list { padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 0.9rem; margin-top: 0.5rem; }
.potes-list li { padding-left: 1.5rem; position: relative; line-height: 1.65; color: var(--color-ink-2, #5B4B40); font-size: 1.05rem; }
.potes-list li::before { content: '→'; position: absolute; left: 0; color: var(--color-mustard, #DFAE5A); font-weight: 700; }
.potes-conclusion { margin-top: 3rem; padding: 2.5rem; background: linear-gradient(135deg, var(--color-brown-700, #6B3924) 0%, var(--color-brown, #8B4E34) 100%); border-radius: var(--radius-lg, 18px); color: white; }
.potes-conclusion h2 { margin-top: 0; font-size: 1.6rem; color: var(--color-mustard, #DFAE5A); margin-bottom: 1rem; }
.potes-conclusion p { color: rgba(255,255,255,0.88); line-height: 1.7; font-size: 1.05rem; }
.potes-cta-links { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.potes-cta-btn { display: inline-block; padding: 0.65rem 1.4rem; border-radius: var(--radius-sm, 10px); font-weight: 600; font-size: 0.95rem; text-decoration: none; background: rgba(255,255,255,0.12); color: white; border: 1px solid rgba(255,255,255,0.3); transition: var(--transition, all .25s ease); }
.potes-cta-btn:hover { background: rgba(255,255,255,0.22); }
.potes-cta-btn--primary { background: var(--color-cta, #C75B35); border-color: var(--color-cta, #C75B35); color: #fff; }
.potes-cta-btn--primary:hover { background: var(--color-orange, #EB6A45); border-color: var(--color-orange, #EB6A45); }

/* --- NEW BLOCK --- */

  :root {
    --primary: #d4a017;
    --primary-dark: #b8860b;
    --text-main: #2c3e50;
    --text-muted: #666;
    --bg-card: #ffffff;
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.05);
    --shadow-strong: 0 20px 40px rgba(0,0,0,0.1);
    --border-radius: 16px;
  }

  main.container { max-width: 1200px; margin: auto; padding-bottom: 4rem; }
  
  /* HERO SECTION */
  .hero-guides {
    position: relative;
    padding: 5rem 2rem;
    background:
      linear-gradient(135deg, rgba(26, 42, 26, 0.78) 0%, rgba(44, 62, 80, 0.72) 100%),
      url('/assets/img/hero/diciembre.webp') center center / cover no-repeat;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    color: white;
    text-align: center;
    overflow: hidden;
    margin-bottom: 4rem;
  }

  /* Decorative elements for hero */
  .hero-guides::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 160, 23, 0.2) 0%, transparent 70%);
    z-index: 1;
  }

  .hero-content { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; }
  
  .hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #d4a017);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 3rem;
    font-weight: 300;
  }

  .hero-glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 0 auto;
    max-width: 800px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  }

  .hero-glass-card p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
  }

  .hero-glass-card strong { color: #d4a017; font-weight: 600; }
  .hero-glass-card a { color: #fff; text-decoration: underline; text-underline-offset: 4px; transition: color 0.3s; }
  .hero-glass-card a:hover { color: #d4a017; }

  /* SECTIONS */
  .section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 5rem;
    margin-bottom: 2rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    padding-left: 1.5rem;
  }

  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 1.5rem;
    background: var(--primary);
    border-radius: 3px;
  }

  .icon-section { width: 26px; height: 26px; color: var(--primary); }
  
  /* GRID & CARDS */
  .grid-guides {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
  
  .guide-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0,0,0,0.03);
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  
  .guide-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(212, 160, 23, 0.3);
  }
  
  .guide-card a {
    color: inherit;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
  }
  
  .guide-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.6s ease;
  }

  .guide-card:hover img {
    transform: scale(1.05);
  }
  
  .guide-content {
    padding: 1.75rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
  }
  
  .guide-card h3 {
    margin: 0 0 0.75rem;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
  }
  
  .guide-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
  }

  .guide-card--featured {
    border: 2.5px solid var(--primary);
    position: relative;
  }

  .guide-card--featured::after {
    content: 'Recomendado';
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
  }

  /* Responsive Adjustments */
  @media (max-width: 768px) {
    .header-guias { padding: 3rem 1rem; }
    .hero-guides { padding: 4rem 1rem; margin-bottom: 2rem; }
    .hero-title { font-size: 2.5rem; }
    .hero-glass-card { padding: 1.5rem; }
    .section-title { font-size: 1.5rem; margin-top: 3rem; }
    .grid-guides { gap: 1.5rem; }
  }

/* --- NEW BLOCK --- */

    /* Aplicar base de la guía si no podemos añadir clase al <body> */
    .guia-aves-page{ background-color: var(--bg-crema); color: var(--text-main); font-family: var(--font-stack); }
  
/* --- NEW BLOCK --- */

/* --- Highlights rápidos --- */
.potes-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}
.potes-hl-card {
    background: var(--color-cream, #F6EFE8);
    border-radius: var(--radius, 14px);
    padding: 1.2rem 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid rgba(139, 78, 52, 0.2); /* --color-brown al 20% */
}
.potes-hl-icon { 
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-brown, #8B4E34);
    margin-bottom: 0.5rem;
}
.potes-hl-card strong { font-size: 0.95rem; color: var(--color-ink, #2A1D16); }
.potes-hl-card span { font-size: 0.8rem; color: var(--color-ink-2, #5B4B40); }

/* --- Listas editoriales --- */
.potes-list {
    padding-left: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-top: 0.5rem;
}
.potes-list li {
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.65;
    color: var(--color-ink-2, #5B4B40);
    font-size: 1.05rem;
}
.potes-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-mustard, #DFAE5A);
    font-weight: 700;
}
.potes-list a { color: var(--color-brown, #8B4E34); }
.potes-list a:hover { color: var(--color-cta, #C75B35); }

/* --- Conclusión --- */
.potes-conclusion {
    margin-top: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--color-brown-700, #6B3924) 0%, var(--color-brown, #8B4E34) 100%);
    border-radius: var(--radius-lg, 18px);
    color: white;
}
.potes-conclusion h2 {
    margin-top: 0;
    font-size: 1.6rem;
    color: var(--color-mustard, #DFAE5A);
    margin-bottom: 1rem;
}
.potes-conclusion p {
    color: rgba(255,255,255,0.88);
    line-height: 1.7;
    font-size: 1.05rem;
}
.potes-cta-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}
.potes-cta-btn {
    display: inline-block;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius-sm, 10px);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    background: rgba(255,255,255,0.12);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    transition: var(--transition, all .25s ease);
}
.potes-cta-btn:hover { background: rgba(255,255,255,0.22); }
.potes-cta-btn--primary {
    background: var(--color-cta, #C75B35);
    border-color: var(--color-cta, #C75B35);
    color: #fff;
}
.potes-cta-btn--primary:hover {
    background: var(--color-orange, #EB6A45);
    border-color: var(--color-orange, #EB6A45);
}

/* --- NEW BLOCK --- */

    .guia-aves-page{ background-color: var(--bg-crema); color: var(--text-main); font-family: var(--font-stack); }
  
/* --- NEW BLOCK --- */

    .guia-aves-page { background-color: var(--bg-crema); color: var(--text-main); font-family: var(--font-stack); }