/* =============================================================================
   SNS Projects Website - Main Stylesheet
   University of Luxembourg - SnT
   ============================================================================= */

/* -----------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   ----------------------------------------------------------------------------- */
:root {
    /* Colors - University of Luxembourg Brand */
    --color-primary: #003366;
    --color-primary-light: #004080;
    --color-primary-dark: #002244;
    --color-accent: #e63312;
    --color-accent-light: #ff4433;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Status Colors */
    --color-available: #16a34a;
    --color-reserved: #ea580c;
    
    /* Typography */
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;
}

/* -----------------------------------------------------------------------------
   Reset & Base Styles
   ----------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* -----------------------------------------------------------------------------
   Header
   ----------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.header-logos {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.logo-link {
    display: flex;
    align-items: center;
    transition: opacity var(--transition-fast);
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-unilu {
    height: 40px;
    width: auto;
}

.logo-snt {
    height: 36px;
    width: auto;
}

.logo-divider {
    width: 1px;
    height: 32px;
    background: var(--color-gray-300);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.nav-link.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.nav-link.active:hover {
    background: var(--color-primary-light);
    color: var(--color-white);
}

.nav-contact {
    background: var(--color-accent);
    color: var(--color-white);
}

.nav-contact:hover {
    background: var(--color-accent-light);
    color: var(--color-white);
}

.nav-icon {
    width: 18px;
    height: 18px;
}

/* -----------------------------------------------------------------------------
   Main Content
   ----------------------------------------------------------------------------- */
.site-main {
    flex: 1;
}

/* -----------------------------------------------------------------------------
   Hero Section
   ----------------------------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-16) var(--space-6);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.hero-title span {
    color: var(--color-accent-light);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 0.9;
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: var(--space-8);
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--color-accent-light);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: var(--space-1);
}

/* -----------------------------------------------------------------------------
   Category Grid
   ----------------------------------------------------------------------------- */
.categories-section {
    padding: var(--space-16) var(--space-6);
    background: var(--color-white);
}

.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.section-subtitle {
    color: var(--color-gray-500);
    font-size: 1.1rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
}

.category-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--category-color, var(--color-primary));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.category-card:hover {
    border-color: var(--category-color, var(--color-primary));
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--category-color, var(--color-primary));
    transition: all var(--transition-normal);
}

.category-card:hover .category-icon {
    background: var(--category-color, var(--color-primary));
    color: var(--color-white);
}

.category-icon svg {
    width: 24px;
    height: 24px;
}

.category-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.category-description {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-4);
    line-height: 1.5;
}

.category-count {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--category-color, var(--color-primary));
    background: var(--color-gray-50);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
}

/* -----------------------------------------------------------------------------
   Projects Sections
   ----------------------------------------------------------------------------- */
.projects-section {
    padding: var(--space-12) var(--space-6);
    scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.projects-section:nth-child(even) {
    background: var(--color-gray-50);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-gray-200);
}

.category-header-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--category-color, var(--color-primary));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-header-icon svg {
    width: 28px;
    height: 28px;
}

.category-header-text h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-1);
}

.category-header-text p {
    color: var(--color-gray-500);
    font-size: 0.95rem;
}

/* Projects Table */
.projects-table {
    width: 100%;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.projects-table table {
    width: 100%;
    border-collapse: collapse;
}

.projects-table th {
    background: var(--color-gray-50);
    padding: var(--space-4) var(--space-5);
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-gray-200);
}

.projects-table td {
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-gray-100);
    vertical-align: middle;
}

.projects-table tr:last-child td {
    border-bottom: none;
}

.projects-table tr:hover {
    background: var(--color-gray-50);
}

.project-title-cell {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.project-title-link {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-gray-900);
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    transition: color var(--transition-fast);
}

.project-title-link:hover {
    color: var(--color-primary);
}

.project-title-link svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 3px;
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-fast);
}

.project-title-link:hover svg {
    opacity: 1;
    transform: translateX(0);
}

.project-type-badge {
    display: inline-flex;
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.project-status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.badge-available {
    background: #dcfce7;
    color: var(--color-available);
}

.badge-reserved {
    background: #ffedd5;
    color: var(--color-reserved);
}

.location-cell {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-gray-600);
    font-size: 0.9rem;
}

.location-cell svg {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
}

.contact-cell {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.contact-name {
    font-weight: 600;
    color: var(--color-gray-800);
    font-size: 0.9rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.85rem;
    color: var(--color-primary);
    background: var(--color-gray-50);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.contact-email:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.contact-email svg {
    width: 14px;
    height: 14px;
}

/* -----------------------------------------------------------------------------
   Project Detail Page
   ----------------------------------------------------------------------------- */
.project-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6) var(--space-16);
}

.project-nav {
    margin-bottom: var(--space-8);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
    color: var(--color-gray-600);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    background: var(--color-gray-100);
    transition: all var(--transition-fast);
}

.back-link:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-800);
}

.back-link svg {
    width: 18px;
    height: 18px;
}

.project-header {
    margin-bottom: var(--space-8);
}

.project-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8rem;
    font-weight: 600;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.project-badge svg {
    width: 14px;
    height: 14px;
}

.project-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1.2;
    margin-bottom: var(--space-6);
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9rem;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.meta-item svg {
    width: 16px;
    height: 16px;
}

.meta-category {
    background: color-mix(in srgb, var(--category-color, var(--color-primary)) 15%, transparent);
    color: var(--category-color, var(--color-primary));
}

/* Contact Card */
.contact-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
}

.contact-card h3 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.8;
    margin-bottom: var(--space-4);
}

.contact-card h3 svg {
    width: 18px;
    height: 18px;
}

.contact-info {
    margin-bottom: var(--space-6);
}

.contact-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.contact-title {
    opacity: 0.9;
    margin-bottom: var(--space-2);
}

.contact-office {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9rem;
    opacity: 0.8;
}

.contact-office svg {
    width: 16px;
    height: 16px;
}

.contact-actions {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.contact-email-text {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9rem;
    opacity: 0.9;
}

.contact-email-text svg {
    width: 16px;
    height: 16px;
}

.contact-email-text a {
    color: var(--color-white);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Project Content */
.project-content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
}

.project-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-gray-200);
}

.project-content h2:first-child {
    margin-top: 0;
}

.project-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
}

.project-content p {
    margin-bottom: var(--space-4);
    color: var(--color-gray-700);
    line-height: 1.8;
}

.project-content ul, .project-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.project-content li {
    margin-bottom: var(--space-2);
    color: var(--color-gray-700);
    line-height: 1.7;
}

.project-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.project-content a:hover {
    color: var(--color-accent);
}

.project-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-gray-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

/* Project Footer */
.project-footer {
    margin-top: var(--space-8);
}

.apply-section {
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-50) 100%);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
}

.apply-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.apply-section p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

/* -----------------------------------------------------------------------------
   Buttons
   ----------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    color: var(--color-white);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

.btn-large.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-large.btn-primary:hover {
    background: var(--color-primary-light);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

/* -----------------------------------------------------------------------------
   Footer
   ----------------------------------------------------------------------------- */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-12) var(--space-6) var(--space-8);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-gray-700);
}

.footer-org h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.footer-org p {
    color: var(--color-gray-400);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-contact h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-400);
    margin-bottom: var(--space-4);
}

.footer-contact a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-gray-300);
    font-size: 0.9rem;
    margin-bottom: var(--space-3);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-white);
}

.footer-contact a svg {
    width: 18px;
    height: 18px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-bottom p {
    color: var(--color-gray-500);
    font-size: 0.85rem;
}

.footer-credits a {
    color: var(--color-gray-400);
}

.footer-credits a:hover {
    color: var(--color-white);
}

/* -----------------------------------------------------------------------------
   Responsive Styles
   ----------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .header-nav {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-link span {
        display: none;
    }
    
    .nav-contact span {
        display: inline;
    }
    
    .hero {
        padding: var(--space-10) var(--space-4);
    }
    
    .hero-stats {
        gap: var(--space-6);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-table {
        overflow-x: auto;
    }
    
    .projects-table table {
        min-width: 600px;
    }
    
    .project-content {
        padding: var(--space-5);
    }
    
    .contact-actions {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

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

.category-card {
    animation: fadeInUp 0.5s ease backwards;
}

.category-card:nth-child(1) { animation-delay: 0.1s; }
.category-card:nth-child(2) { animation-delay: 0.15s; }
.category-card:nth-child(3) { animation-delay: 0.2s; }
.category-card:nth-child(4) { animation-delay: 0.25s; }
.category-card:nth-child(5) { animation-delay: 0.3s; }
.category-card:nth-child(6) { animation-delay: 0.35s; }
.category-card:nth-child(7) { animation-delay: 0.4s; }
.category-card:nth-child(8) { animation-delay: 0.45s; }

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .back-link,
    .contact-actions,
    .apply-section {
        display: none;
    }
    
    .project-content {
        box-shadow: none;
        padding: 0;
    }
}