/* Partners Page Styles */

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-actions .btn {
    transition: all 0.3s ease;
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
}

.hero-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Section Titles */
.section-title {
    color: #2c3e50;
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
}

.section-title.text-center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Partner Cards */
.partner-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    border-left: 4px solid transparent;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.partner-card.research-partner {
    border-left-color: #3498db;
}

.partner-card.industry-partner {
    border-left-color: #e74c3c;
}

.partner-card.tech-partner {
    border-left-color: #9b59b6;
}

.partner-card.community-partner {
    border-left-color: #f39c12;
}

.partner-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 24px;
}

.partner-card.research-partner .partner-icon {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.partner-card.industry-partner .partner-icon {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.partner-card.tech-partner .partner-icon {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.partner-card.community-partner .partner-icon {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.partner-card h4 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.partner-card p {
    color: #7f8c8d;
    margin-bottom: 20px;
    line-height: 1.6;
}

.partner-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.partner-list li {
    color: #34495e;
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.partner-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* Sidebar Content */
.sidebar-content {
    position: sticky;
    top: 20px;
}

.ad-sidebar {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #e9ecef;
}

.partnership-stats {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.stat-item {
    text-align: center;
    padding: 15px 0;
    border-bottom: 1px solid #f1f3f4;
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 5px;
}

.stat-label {
    color: #7f8c8d;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Opportunity Cards */
.opportunity-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    text-align: center;
}

.opportunity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 32px;
}

.opportunity-card h4 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.opportunity-card p {
    color: #7f8c8d;
    margin-bottom: 20px;
    line-height: 1.6;
}

.opportunity-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.opportunity-card li {
    color: #34495e;
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.opportunity-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

/* Sponsorship Tiers */
.sponsor-tier {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.sponsor-tier::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.sponsor-tier.bronze::before {
    background: linear-gradient(90deg, #cd7f32, #b8860b);
}

.sponsor-tier.silver::before {
    background: linear-gradient(90deg, #c0c0c0, #a9a9a9);
}

.sponsor-tier.gold::before {
    background: linear-gradient(90deg, #ffd700, #ffb347);
}

.sponsor-tier.platinum::before {
    background: linear-gradient(90deg, #e5e4e2, #b4b4b4);
}

.sponsor-tier:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.tier-header {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f1f3f4;
}

.tier-header h4 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 600;
}

.tier-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3498db;
}

.tier-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tier-benefits li {
    color: #34495e;
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.tier-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

.contact-methods {
    margin-bottom: 30px;
}

.contact-method {
    text-align: center;
    padding: 20px;
}

.contact-method i {
    color: #3498db;
}

.contact-method h5 {
    color: #ecf0f1;
    margin-bottom: 10px;
}

.contact-method p {
    color: #bdc3c7;
    margin: 0;
}

.cta-buttons .btn {
    transition: all 0.3s ease;
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
}

.cta-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Ad Sections */
.ad-section {
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
}

.ad-banner {
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-actions .btn {
        display: block;
        width: 100%;
        margin-bottom: 15px;
    }
    
    .partner-card,
    .opportunity-card,
    .sponsor-tier {
        margin-bottom: 20px;
    }
    
    .sidebar-content {
        position: static;
        margin-top: 30px;
    }
    
    .contact-method {
        margin-bottom: 20px;
    }
    
    .cta-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 15px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .partner-card,
    .opportunity-card,
    .sponsor-tier {
        padding: 20px;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .partner-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

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

/* Hover Effects */
.partner-card:hover .partner-icon,
.opportunity-card:hover .card-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

/* Loading States */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}