/* Graduates Section - Roadmap Style Design */

/* Main Section Container */
.graduates-section {
    padding: 20px 0 20px;
    background: #f9fafb;
    overflow: hidden;
    position: relative;
    font-family: 'Gilroy', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Dark Theme */
[data-theme="dark"] .graduates-section {
    background: #0f1419;
}

/* Custom Container */
.graduates-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    background: rgba(238, 242, 247, 0.6);
    border-radius: 48px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .graduates-container {
    background: rgba(45, 55, 72, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Background SVG */
.graduates-bg-svg {
    position: absolute;
    top: -52px;
    left: 260px;
    width: 75%;
    height: 100%;
    opacity: 0.6;
    z-index: 1;
    pointer-events: none;
    transform: scaleX(-1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .graduates-bg-svg {
    opacity: 0.4;
}

/* Section Title */
.graduates-title {
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin: 0 0 80px 0;
    padding: 80px 0 0 0;
    position: relative;
    z-index: 2;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

[data-theme="dark"] .graduates-title {
    color: #e2e8f0;
}

/* Graduates Tabs Container */
.graduates-tabs {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    z-index: 2;
    padding-bottom: 80px;
}

/* Individual Tab */
.graduate-tab {
    padding: 32px 48px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border-radius: 0;
    position: relative;
}

.graduate-tab:hover {
    background: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .graduate-tab:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Active Tab */
.graduate-tab.tab-active {
    background: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .graduate-tab.tab-active {
    background: rgba(255, 255, 255, 0.08);
}

/* Tab Name (Title) */
.tab-name {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.75rem;
    font-weight: 600;
    color: #444444;
    margin-bottom: 16px;
    position: relative;
    transition: all 0.3s ease;
}

[data-theme="dark"] .tab-name {
    color: #cbd5e0;
}

/* Active Tab Name */
.tab-name-active {
    color: #444444;
    font-weight: 700;
}

[data-theme="dark"] .tab-name-active {
    color: #e2e8f0;
}

/* Tab Toggler Icon */
.tab-toggler {
    width: 20px;
    height: 20px;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.tab-active .tab-toggler {
    opacity: 1;
}

/* Tab Underline (only for active tab) */
.tab-underline {
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 180px;
    height: 8px;
    opacity: 1;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tab Text Content */
.tab-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: #6b7280;
    margin: 0;
    max-width: 800px;
    font-weight: 400;
    opacity: 0.8;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(-10px);
}

[data-theme="dark"] .tab-text {
    color: #9ca3af;
}

/* Active Tab Text */
.tab-text-active {
    color: #374151;
    opacity: 1;
    font-weight: 500;
    max-height: 200px;
    transform: translateY(0);
    margin-top: 16px;
    text-align: justify;
}

[data-theme="dark"] .tab-text-active {
    color: #d1d5db;
}

/* Tab Text Animation States */
.tab-text.expanding {
    max-height: 200px;
    transform: translateY(0);
    opacity: 1;
    margin-top: 16px;
}

.tab-text.collapsing {
    max-height: 0;
    transform: translateY(-10px);
    opacity: 0.8;
    margin-top: 0;
}

/* Interactive Hover Effects */
.graduate-tab:hover .tab-name {
    color: #1f2937;
    transform: translateX(2px);
}

[data-theme="dark"] .graduate-tab:hover .tab-name {
    color: #f3f4f6;
}

.graduate-tab:hover .tab-text {
    opacity: 1;
    transform: translateX(3px);
}

.graduate-tab:hover .tab-toggler {
    opacity: 0.8;
    transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 992px) {
    .graduates-section {
        padding: 80px 0 100px;
    }
    
    .graduates-container {
        max-width: 95%;
        padding: 0 24px;
        border-radius: 32px;
    }
    
    .graduates-title {
        font-size: 2.5rem;
        margin-bottom: 60px;
        padding-top: 60px;
    }
    
    .graduates-tabs {
        padding-bottom: 60px;
    }
    
    .graduate-tab {
        padding: 24px 32px;
    }
    
    .tab-name {
        font-size: 1.5rem;
        gap: 12px;
    }
    
    .tab-text {
        font-size: 1rem;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .graduates-section {
        padding: 60px 0 80px;
    }
    
    .graduates-container {
        padding: 0 20px;
        border-radius: 24px;
    }
    
    .graduates-title {
        font-size: 2rem;
        margin-bottom: 48px;
        padding-top: 48px;
    }
    
    .graduates-tabs {
        padding-bottom: 48px;
    }
    
    .graduate-tab {
        padding: 20px 24px;
    }
    
    .tab-name {
        font-size: 1.25rem;
        gap: 10px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .tab-toggler {
        width: 18px;
        height: 18px;
    }
    
    .tab-underline {
        width: 120px;
        height: 6px;
        bottom: -6px;
    }
    
    .tab-text {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    /* Remove hover transforms on mobile */
    .graduate-tab:hover .tab-name,
    .graduate-tab:hover .tab-text {
        transform: none;
    }
}

@media (max-width: 576px) {
    .graduates-container {
        margin: 0 16px;
        padding: 0 16px;
        border-radius: 20px;
    }
    
    .graduates-title {
        font-size: 1.75rem;
        margin-bottom: 40px;
        padding-top: 40px;
    }
    
    .graduates-tabs {
        padding-bottom: 40px;
    }
    
    .graduate-tab {
        padding: 16px 20px;
    }
    
    .tab-name {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .tab-text {
        font-size: 0.9rem;
    }
    
    .tab-underline {
        width: 100px;
        height: 5px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .graduate-tab,
    .tab-name,
    .tab-text,
    .tab-toggler,
    .tab-underline,
    .graduates-bg-svg {
        transition: none;
    }
    
    .graduate-tab:hover .tab-name,
    .graduate-tab:hover .tab-text,
    .graduate-tab:hover .tab-toggler {
        transform: none;
    }
}