/* ============================================
   NEUROGYM — Reusable Components (Light Theme)
   ============================================ */

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 14px 36px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.3;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-indigo), var(--color-indigo-light));
    color: #ffffff;
    box-shadow: var(--shadow-glow-indigo);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 8px 35px rgba(79, 70, 229, 0.30);
    color: #ffffff;
}

.btn-secondary {
    background: transparent;
    color: var(--color-indigo);
    border-color: var(--color-indigo);
}

.btn-secondary:hover {
    background: rgba(79, 70, 229, 0.08);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-indigo);
    color: var(--color-indigo);
}

.btn-gold {
    background: linear-gradient(135deg, var(--color-gold), #d97706);
    color: #ffffff;
    box-shadow: var(--shadow-glow-gold);
}

.btn-gold:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 8px 35px rgba(245, 158, 11, 0.30);
    color: #ffffff;
}

.btn-lg {
    font-size: 1.15rem;
    padding: 18px 48px;
}

/* ── Cards ── */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-indigo), var(--color-cyan-bright));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover::before {
    opacity: 1;
}

.card-image {
    width: 80px;
    height: 80px;
    display: block;
    object-fit: contain;
    margin: 0 auto var(--space-sm);
    filter: drop-shadow(0 4px 12px rgba(79, 70, 229, 0.15));
    transition: transform var(--transition-base);
}

.card:hover .card-image {
    transform: scale(1.1) rotate(2deg);
}

.card-title {
    font-size: var(--fs-h3);
    margin-bottom: var(--space-xs);
    color: var(--color-text-heading);
}

.card-text {
    color: var(--color-text-secondary);
    font-size: var(--fs-small);
    line-height: 1.6;
}

/* ── Badge / Tag ── */
.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.badge-cyan {
    background: rgba(8, 145, 178, 0.10);
    color: var(--color-cyan);
    border: 1px solid rgba(8, 145, 178, 0.20);
}

.badge-gold {
    background: rgba(245, 158, 11, 0.10);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

/* ── Section Headers ── */
.section-eyebrow {
    font-family: var(--font-heading);
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-indigo);
    margin-bottom: var(--space-xs);
}

.section-title {
    font-size: var(--fs-h2);
    margin-bottom: var(--space-sm);
    color: var(--color-text-heading);
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

/* ── Benefit Icons ── */
.benefit-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto var(--space-sm);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(8, 145, 178, 0.08));
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ── Floating WhatsApp ── */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: transparent;
    border-radius: 50px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-float img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 15px;
        right: 15px;
    }
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ── Divider ── */
.divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-indigo), var(--color-cyan-bright));
    border-radius: var(--radius-full);
    margin: var(--space-md) auto;
}

/* ── Arena de Batalla — Villain Roster ── */
.villain-roster {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.villain-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
    min-width: 130px;
}

.villain-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--ring-color, var(--color-indigo));
}

.villain-ring {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 3px solid var(--ring-color, #64748b);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 18px color-mix(in srgb, var(--ring-color, #4f46e5) 25%, transparent);
    transition: box-shadow var(--transition-base);
}

.villain-card:hover .villain-ring {
    box-shadow: 0 0 30px color-mix(in srgb, var(--ring-color, #4f46e5) 45%, transparent);
}

.villain-ring img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.villain-card:hover .villain-ring img {
    transform: scale(1.15);
}

.villain-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--color-text-heading);
}

.villain-quote {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    font-style: italic;
    text-align: center;
    line-height: 1.4;
}

/* ── Arena Banner (split) ── */
.arena-banner {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    box-shadow: var(--shadow-card);
    margin-top: var(--space-md);
}

.arena-banner-img {
    width: 200px;
    flex-shrink: 0;
    filter: drop-shadow(0 4px 20px rgba(239, 68, 68, 0.2));
}

.arena-banner-text {
    text-align: left;
}

.arena-banner-text h3 {
    font-size: var(--fs-h3);
    color: var(--color-text-heading);
    margin-bottom: var(--space-xs);
}

.arena-banner-text p {
    color: var(--color-text-secondary);
    font-size: var(--fs-small);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.arena-banner-text p:last-child {
    margin-bottom: 0;
}

/* ── Insignias Grid ── */
.insignia-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.insignia-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: var(--space-md) var(--space-sm);
    background: var(--color-bg-card);
    border: 1px solid rgba(245, 158, 11, 0.15);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Glassmorphism shine on hover */
.insignia-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.insignia-item:hover::after {
    opacity: 1;
}

.insignia-item:hover {
    transform: translateY(-6px);
    border-color: rgba(245, 158, 11, 0.35);
    box-shadow: 0 8px 35px rgba(245, 158, 11, 0.15), var(--shadow-card);
}

.insignia-item img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 2px 10px rgba(245, 158, 11, 0.2));
    transition: transform var(--transition-base);
}

.insignia-item:hover img {
    transform: scale(1.12) rotate(-3deg);
}

/* Emoji fallback for badges without art (e.g. Mundo Ajedrez) */
.insignia-emoji {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 44px;
    line-height: 1;
    filter: drop-shadow(0 2px 10px rgba(79, 70, 229, 0.18));
    transition: transform var(--transition-base);
}

.insignia-item:hover .insignia-emoji {
    transform: scale(1.12) rotate(-3deg);
}

/* Chess-world badge variant (indigo accent instead of gold) */
.insignia-item.insignia-chess {
    border-color: rgba(79, 70, 229, 0.18);
}

.insignia-item.insignia-chess::after {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), transparent 60%);
}

.insignia-item.insignia-chess:hover {
    border-color: rgba(79, 70, 229, 0.35);
    box-shadow: 0 8px 35px rgba(79, 70, 229, 0.15), var(--shadow-card);
}

/* Sub-group title inside a section (e.g. "Entrenamiento Neuronal" / "Mundo Ajedrez") */
.subsection-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-text-heading);
    margin: var(--space-lg) auto var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.subsection-title::before,
.subsection-title::after {
    content: '';
    width: 36px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-indigo), var(--color-cyan-bright));
    border-radius: var(--radius-full);
}

.subsection-caption {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.insignia-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-text-heading);
    text-align: center;
    line-height: 1.3;
}

.insignia-desc {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ── Responsive additions ── */
@media (max-width: 900px) {
    .arena-banner {
        flex-direction: column;
        text-align: center;
    }

    .arena-banner-text {
        text-align: center;
    }

    .arena-banner-img {
        width: 160px;
    }
}

@media (max-width: 768px) {
    .villain-roster {
        gap: var(--space-sm);
    }

    .villain-card {
        min-width: 110px;
        padding: var(--space-xs) var(--space-sm);
    }

    .villain-ring {
        width: 56px;
        height: 56px;
    }

    .villain-ring img {
        width: 44px;
        height: 44px;
    }

    .insignia-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
    }

    .insignia-item img {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .insignia-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .villain-roster {
        gap: 8px;
    }

    .villain-card {
        min-width: 90px;
    }
}