/* ================================================
   STILI PER DESCRIZIONE FASE 2
   ================================================ */

.fase2-description-container {
    margin: 2rem 0;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fase2-description-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafb 100%);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(29, 100, 124, 0.15);
    overflow: hidden;
    border: 2px solid rgba(29, 100, 124, 0.1);
    transition: all 0.3s ease;
}

.fase2-description-card:hover {
    box-shadow: 0 15px 50px rgba(29, 100, 124, 0.25);
    transform: translateY(-3px);
}

/* Header della descrizione */
.fase2-description-header {
    background: linear-gradient(135deg, var(--primary-color, #1d647c), var(--primary-dark, #134351));
    color: white;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.fase2-description-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.fase2-icon-wrapper {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    padding: 1rem;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.fase2-icon-wrapper i {
    font-size: 2.5rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.fase2-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.fase2-subtitle {
    font-size: 1rem;
    margin: 0;
    opacity: 0.9;
    font-weight: 400;
}

/* Body della descrizione */
.fase2-description-body {
    padding: 2rem;
}

/* Card delle serie */
.fase2-serie-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    height: 100%;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.fase2-serie-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Colori distintivi per ogni serie */
.fase2-serie-a {
    border-color: #d4af37;
}

.fase2-serie-a .fase2-serie-header {
    background: linear-gradient(135deg, #d4af37, #f4d03f);
}

.fase2-serie-b {
    border-color: #c0c0c0;
}

.fase2-serie-b .fase2-serie-header {
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
}

.fase2-serie-c {
    border-color: #cd7f32;
}

.fase2-serie-c .fase2-serie-header {
    background: linear-gradient(135deg, #cd7f32, #e8a87c);
}

.fase2-serie-header {
    padding: 1.5rem 1rem;
    text-align: center;
    position: relative;
}

.fase2-serie-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    margin-bottom: 0.75rem;
    backdrop-filter: blur(10px);
}

.fase2-serie-badge i {
    font-size: 1.5rem;
    color: #1f2a3d; /* colore scuro per maggiore leggibilità su sfondi chiari */
}

.fase2-serie-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: #1f2a3d; /* testo scuro per contrasto */
    text-shadow: none;
}

.fase2-serie-body {
    padding: 1.5rem;
}

.fase2-squadre-count {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(29, 100, 124, 0.05), rgba(169, 204, 100, 0.05));
    border-radius: 12px;
    border: 1px solid rgba(29, 100, 124, 0.1);
}

.fase2-count-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color, #1d647c);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.fase2-count-label {
    display: block;
    font-size: 0.9rem;
    color: var(--neutral-700, #3e4c59);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.fase2-composition {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.fase2-composition-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(29, 100, 124, 0.03);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color, #1d647c);
    transition: all 0.2s ease;
}

.fase2-composition-item:hover {
    background: rgba(29, 100, 124, 0.08);
    transform: translateX(5px);
}

.fase2-composition-item i {
    color: var(--primary-color, #1d647c);
    font-size: 1rem;
    min-width: 20px;
}

.fase2-composition-item span {
    font-size: 0.9rem;
    color: var(--neutral-700, #3e4c59);
    line-height: 1.4;
}

.fase2-composition-item strong {
    color: var(--primary-dark, #134351);
    font-weight: 600;
}

.fase2-composition-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(29, 100, 124, 0.2), transparent);
    margin: 0.25rem 0;
}

.fase2-composition-detail {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: rgba(169, 204, 100, 0.1);
    border-radius: 8px;
    text-align: center;
}

.fase2-composition-detail small {
    font-size: 0.8rem;
    line-height: 1.5;
    display: block;
}

/* Footer della descrizione */
.fase2-description-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px dashed rgba(29, 100, 124, 0.2);
}

.fase2-info-note {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, rgba(242, 175, 2, 0.1), rgba(242, 175, 2, 0.05));
    border-radius: 12px;
    border: 1px solid rgba(242, 175, 2, 0.3);
}

.fase2-info-note i {
    color: var(--accent-color, #f2af02);
    font-size: 1.5rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.fase2-info-note span {
    font-size: 0.95rem;
    color: var(--neutral-700, #3e4c59);
    line-height: 1.6;
    flex: 1;
}

/* ================================================
   RESPONSIVE - TABLET
   ================================================ */

@media (max-width: 991px) {
    .fase2-description-header {
        padding: 1.75rem 1.5rem;
    }

    .fase2-title {
        font-size: 1.6rem;
    }

    .fase2-subtitle {
        font-size: 0.95rem;
    }

    .fase2-description-body {
        padding: 1.5rem;
    }

    .fase2-serie-card {
        margin-bottom: 1.5rem;
    }

    .fase2-count-number {
        font-size: 2.2rem;
    }
}

/* ================================================
   RESPONSIVE - MOBILE
   ================================================ */

@media (max-width: 768px) {
    .fase2-description-container {
        margin: 1.5rem 0;
    }

    .fase2-description-card {
        border-radius: 16px;
    }

    .fase2-description-header {
        padding: 1.5rem 1rem;
    }

    .fase2-icon-wrapper {
        padding: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .fase2-icon-wrapper i {
        font-size: 2rem;
    }

    .fase2-title {
        font-size: 1.4rem;
    }

    .fase2-subtitle {
        font-size: 0.9rem;
    }

    .fase2-description-body {
        padding: 1rem;
    }

    .fase2-serie-card {
        margin-bottom: 1rem;
    }

    .fase2-serie-header {
        padding: 1.25rem 0.75rem;
    }

    .fase2-serie-badge {
        width: 45px;
        height: 45px;
        margin-bottom: 0.5rem;
    }

    .fase2-serie-badge i {
        font-size: 1.3rem;
    }

    .fase2-serie-title {
        font-size: 1.3rem;
    }

    .fase2-serie-body {
        padding: 1rem;
    }

    .fase2-squadre-count {
        padding: 0.75rem;
        margin-bottom: 1rem;
    }

    .fase2-count-number {
        font-size: 2rem;
    }

    .fase2-count-label {
        font-size: 0.85rem;
    }

    .fase2-composition {
        gap: 0.5rem;
    }

    .fase2-composition-item {
        padding: 0.65rem;
        gap: 0.6rem;
    }

    .fase2-composition-item span {
        font-size: 0.85rem;
    }

    .fase2-composition-detail {
        padding: 0.65rem;
    }

    .fase2-composition-detail small {
        font-size: 0.75rem;
    }

    .fase2-description-footer {
        margin-top: 1.5rem;
        padding-top: 1rem;
    }

    .fase2-info-note {
        flex-direction: column;
        gap: 0.75rem;
        padding: 1rem;
        text-align: center;
    }

    .fase2-info-note i {
        font-size: 1.3rem;
        margin-top: 0;
    }

    .fase2-info-note span {
        font-size: 0.9rem;
    }
}

/* ================================================
   RESPONSIVE - MOBILE PICCOLO
   ================================================ */

@media (max-width: 480px) {
    .fase2-title {
        font-size: 1.2rem;
    }

    .fase2-subtitle {
        font-size: 0.85rem;
    }

    .fase2-serie-title {
        font-size: 1.2rem;
    }

    .fase2-count-number {
        font-size: 1.8rem;
    }

    .fase2-composition-item span {
        font-size: 0.8rem;
    }

    .fase2-info-note span {
        font-size: 0.85rem;
    }
}

/* ================================================
   ANIMAZIONI E TRANSIZIONI
   ================================================ */

.fase2-serie-card {
    animation: slideInUp 0.6s ease-out backwards;
}

.fase2-serie-card:nth-child(1) {
    animation-delay: 0.1s;
}

.fase2-serie-card:nth-child(2) {
    animation-delay: 0.2s;
}

.fase2-serie-card:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Accessibilità */
@media (prefers-reduced-motion: reduce) {
    .fase2-description-card,
    .fase2-serie-card,
    .fase2-icon-wrapper i,
    .fase2-composition-item {
        animation: none !important;
        transition: none !important;
    }
}