/* Online Platforms Section */
.platforms-section {
    padding: 6rem 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.platforms-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(102, 126, 234, 0.08), transparent 60%);
    z-index: 0;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.platform-card {
    padding: 2.5rem 2rem;
    border-radius: 25px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transform: rotate(45deg);
    transition: 0.6s;
}

.platform-card:hover::before {
    left: 100%;
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
    border-color: rgba(102, 126, 234, 0.5);
}

.platform-icon {
    position: relative;
    width: 90px;
    height: 90px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: var(--accent-primary);
}

.platform-icon .pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.platform-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    text-align: center;
}

.platform-card > p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.platform-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.platform-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.platform-features li i {
    color: var(--accent-primary);
    font-size: 0.85rem;
}

.platform-btn {
    width: 100%;
    padding: 0.9rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.platform-btn:hover {
    transform: scale(1.02);
}

/* Platform Stats */
.platform-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Platform Modal */
.platform-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.platform-modal.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    max-width: 500px;
    width: 90%;
    padding: 2.5rem;
    border-radius: 25px;
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-primary);
}

.modal-header h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin: 0;
}

.modal-body p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2rem;
}

.platform-login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.platform-login-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.platform-login-form label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.platform-login-form input {
    padding: 0.9rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.platform-login-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
}

.platform-login-form input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.form-actions .btn {
    width: 100%;
}

.text-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.text-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

.modal-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        padding: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .platform-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .platforms-section {
        padding: 4rem 0;
    }
    
    .platform-card {
        padding: 2rem 1.5rem;
    }
    
    .platform-stats {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 2rem 1.5rem;
    }
}