/**
 * Sponsoren-Seite Styles
 * 
 * @package IT_Expert_Hub
 * @version 2.0.0
 */

/* ===== Sponsoren-Seite Layout ===== */
.sponsors-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

/* Page Header - Modern */
.sponsors-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
    border-radius: 0;
    position: relative;
    overflow: hidden;
}

.sponsors-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.sponsors-title {
    position: relative;
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
    letter-spacing: -0.02em;
}

.sponsors-subtitle {
    position: relative;
    font-size: 1.1rem;
    color: #94a3b8;
    margin-bottom: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Intro Content */
.sponsors-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    text-align: center;
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ===== Sponsor Tiers ===== */
.sponsor-tier {
    margin-bottom: var(--spacing-2xl);
}

.tier-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--heading-color);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.tier-icon {
    font-size: 1.5rem;
}

/* Tier-spezifische Farben */
.sponsor-tier-platinum .tier-title {
    border-bottom-color: #94a3b8;
    color: #475569;
}

.sponsor-tier-gold .tier-title {
    border-bottom-color: #fbbf24;
    color: #b45309;
}

.sponsor-tier-silver .tier-title {
    border-bottom-color: #9ca3af;
    color: #4b5563;
}

.sponsor-tier-bronze .tier-title {
    border-bottom-color: #cd7f32;
    color: #92400e;
}

.sponsor-tier-partner .tier-title {
    border-bottom-color: var(--sponsor-primary, #3b82f6);
    color: #1e40af;
}

/* ===== Sponsors Grid (3 Spalten für mehr Info) ===== */
.sponsors-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.sponsors-grid-4 {
    grid-template-columns: repeat(3, 1fr);
}

/* ===== Sponsor Card - Neues eckiges Design mit mehr Info ===== */
.sponsor-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.sponsor-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--sponsor-primary, #3b82f6);
}

/* Sponsor Card Header mit Logo */
.sponsor-card-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    border-bottom: 1px solid #e2e8f0;
}

.sponsor-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-logo img {
    max-width: 180px;
    max-height: 80px;
    height: auto;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.sponsor-card:hover .sponsor-logo img {
    transform: scale(1.05);
}

.sponsor-logo a {
    display: block;
}

/* Sponsor Card Content */
.sponsor-card-content {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.sponsor-name {
    font-size: 1.1rem;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
    font-weight: 700;
    line-height: 1.3;
}

.sponsor-name a {
    color: #1e293b;
    text-decoration: none;
    transition: color 0.2s ease;
}

.sponsor-name a:hover {
    color: var(--sponsor-primary, #3b82f6);
}

.sponsor-tagline {
    font-size: 0.8rem;
    color: #64748b;
    margin: 0 0 0.75rem 0;
    font-style: italic;
    border-left: 2px solid var(--sponsor-primary, #3b82f6);
    padding-left: 0.75rem;
}

.sponsor-description {
    font-size: 0.9rem;
    color: #475569;
    margin: 0 0 1rem 0;
    line-height: 1.6;
    flex: 1;
}

/* Sponsor Meta Info */
.sponsor-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid #f1f5f9;
}

.sponsor-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: #64748b;
    background: #f8fafc;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

.sponsor-meta-item svg {
    width: 12px;
    height: 12px;
    color: #94a3b8;
}

/* Sponsor Card Footer / Actions */
.sponsor-card-footer {
    padding: 1rem 1.25rem;
    background: #fafbfc;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 0.5rem;
}

.sponsor-link {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.sponsor-link-primary {
    background: var(--sponsor-primary, #3b82f6);
    color: #ffffff !important;
    border: none;
}

.sponsor-link-primary:hover {
    background: #2563eb;
    transform: translateY(-1px);
    color: #ffffff !important;
}

.sponsor-link-secondary {
    background: transparent;
    color: #475569 !important;
    border: 1px solid #e2e8f0;
}

.sponsor-link-secondary:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #1e293b !important;
}

.sponsor-link svg {
    width: 14px;
    height: 14px;
}

/* Legacy Support für einfache .sponsor-card ohne Struktur */
.widget .sponsor-card {
    min-height: auto;
}

.sponsor-card-title,
.widget .sponsor-card h3 {
    font-size: 1.1rem;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
    font-weight: 700;
}

.sponsor-card p {
    font-size: 0.9rem;
    color: #475569;
    margin: 0 0 0.75rem 0;
    line-height: 1.6;
}

.sponsor-card > a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--sponsor-primary, #3b82f6);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.sponsor-card > a:hover {
    color: #1e40af;
}

/* ===== Sponsor Badge für Tier ===== */
.sponsor-tier-badge {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.35rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sponsor-tier-badge-platinum {
    background: linear-gradient(135deg, #94a3b8 0%, #cbd5e1 100%);
    color: #334155;
}

.sponsor-tier-badge-gold {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #78350f;
}

.sponsor-tier-badge-silver {
    background: linear-gradient(135deg, #9ca3af 0%, #d1d5db 100%);
    color: #374151;
}

.sponsor-tier-badge-bronze {
    background: linear-gradient(135deg, #cd7f32 0%, #d4a574 100%);
    color: #451a03;
}

/* ===== No Sponsors Notice ===== */
.no-sponsors-notice {
    text-align: center;
    padding: var(--spacing-2xl);
    background: #f8fafc;
    border: 2px dashed #e2e8f0;
    color: #64748b;
}

.no-sponsors-notice p {
    margin-bottom: var(--spacing-sm);
}

.notice-hint {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===== CTA Section - Schlicht ===== */
.sponsor-cta-slim {
    margin-top: var(--spacing-2xl);
    padding: 2rem;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    text-align: center;
}

.sponsor-cta-slim h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
}

.sponsor-cta-slim p {
    font-size: 1rem;
    color: #64748b;
    margin: 0 0 1.25rem 0;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-sponsor-slim {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #1e293b;
    color: #ffffff !important;
    padding: 0.75rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-sponsor-slim:hover {
    background: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25);
    color: #ffffff !important;
}

/* ===== Veraltet: Original CTA ===== */
.sponsor-cta {
    display: none;
}

/* ===== Responsive Design ===== */
@media screen and (max-width: 1100px) {
    .sponsors-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .sponsors-header {
        padding: var(--spacing-lg);
    }
    
    .sponsors-title {
        font-size: 1.75rem;
    }
    
    .sponsors-subtitle {
        font-size: 1rem;
    }
    
    .tier-title {
        font-size: 1.25rem;
    }
    
    .sponsor-card-header {
        min-height: 100px;
        padding: 1rem;
    }
    
    .sponsor-logo img {
        max-width: 140px;
        max-height: 60px;
    }
}

@media screen and (max-width: 600px) {
    .sponsors-page {
        padding: var(--spacing-md) 0;
    }
    
    .sponsors-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .sponsors-title {
        font-size: 1.5rem;
    }
    
    .tier-title {
        font-size: 1.1rem;
    }
    
    .sponsor-card-content {
        padding: 1rem;
    }
    
    .sponsor-card-footer {
        flex-direction: column;
    }
    
    .sponsor-cta-slim {
        padding: 1.5rem;
    }
}

/* ===== Dark Mode Support ===== */
[data-theme="dark"] .sponsors-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
}

[data-theme="dark"] .sponsor-card {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .sponsor-card:hover {
    border-color: var(--sponsor-primary, #3b82f6);
}

[data-theme="dark"] .sponsor-card-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-bottom-color: #334155;
}

[data-theme="dark"] .sponsor-name,
[data-theme="dark"] .sponsor-name a {
    color: #f1f5f9;
}

[data-theme="dark"] .sponsor-description {
    color: #94a3b8;
}

[data-theme="dark"] .sponsor-meta-item {
    background: #0f172a;
    color: #94a3b8;
}

[data-theme="dark"] .sponsor-card-footer {
    background: #0f172a;
    border-top-color: #334155;
}

[data-theme="dark"] .sponsor-link-secondary {
    color: #e2e8f0 !important;
    border-color: #334155;
}

[data-theme="dark"] .sponsor-link-secondary:hover {
    background: #334155;
    color: #f1f5f9 !important;
}

[data-theme="dark"] .sponsor-cta-slim {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .sponsor-cta-slim h2 {
    color: #f1f5f9;
}

[data-theme="dark"] .sponsor-cta-slim p {
    color: #94a3b8;
}

[data-theme="dark"] .btn-sponsor-slim {
    background: #f1f5f9;
    color: #1e293b !important;
}

[data-theme="dark"] .btn-sponsor-slim:hover {
    background: #ffffff;
}