/* ==========================================================================
   W&L Entrepreneurship Annual Report 2024-2025 Styles
   ========================================================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors - Professional palette with W&L inspiration */
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --accent-gold: #f59e0b;
    --dark-gray: #1f2937;
    --medium-gray: #6b7280;
    --light-gray: #f8fafc;
    --white: #ffffff;
    --success-green: #10b981;
    --highlight-yellow: #fef3c7;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Crimson Text', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family: var(--font-primary);
    color: var(--dark-gray);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    max-width: 65ch;
}

.lead-paragraph {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--medium-gray);
    max-width: 70ch;
    line-height: 1.7;
}

strong {
    font-weight: 600;
    color: var(--dark-gray);
}

/* ==========================================================================
   Layout Components
   ========================================================================== */

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

.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    color: var(--medium-gray);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.section-subtitle.centered {
    text-align: center !important;
    width: 100%;
    display: block;
    margin: 0 auto;
}

.section-tagline {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--accent-gold);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    text-align: center !important;
    width: 100%;
    display: inline-block;
}

.centered {
    text-align: center;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin: var(--spacing-xl) 0;
}

.content-grid.reverse {
    grid-template-columns: 1fr 1fr;
}

.content-grid.reverse .visual-content {
    order: -1;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav-sticky {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 100;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0;
}

.nav-brand span {
    font-size: 0.875rem;
    color: var(--medium-gray);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    font-size: 0.9rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

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

.print-btn {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.print-btn:hover {
    background: var(--secondary-blue);
    transform: translateY(-1px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    padding: var(--spacing-xxl) 0;
    margin-top: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    min-height: 70vh;
}

.hero-content {
    padding: 0 var(--container-padding);
    max-width: calc(var(--container-max-width) / 2);
    margin-left: auto;
}

.hero-badge {
    display: inline-block;
    background: var(--highlight-yellow);
    color: var(--dark-gray);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--primary-blue);
    position: relative;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--medium-gray);
    margin-top: var(--spacing-xs);
}

.hero-image {
    padding: 0 var(--container-padding);
    max-width: calc(var(--container-max-width) / 2);
    margin-right: auto;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Director's Letter Section
   ========================================================================== */

.director-letter {
    background: var(--white);
}

.letter-content {
    max-width: none;
}

.signature {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
}

.signature p {
    margin-bottom: 0;
    font-style: italic;
    color: var(--medium-gray);
}

.rounded-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Metrics Section
   ========================================================================== */

.metrics-section {
    background: var(--light-gray);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.metric-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border-top: 3px solid var(--medium-gray);
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.metric-card.primary {
    border-top-color: var(--primary-blue);
}

.metric-card.highlight {
    border-top-color: var(--accent-gold);
}

.metric-card.future {
    border-top-color: var(--success-green);
}

.metric-header {
    margin-bottom: var(--spacing-md);
}

.metric-category {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-comparison {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.metric-year {
    text-align: center;
}

.metric-year .year {
    display: block;
    font-size: 0.75rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xs);
}

.metric-year .number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-gray);
}

.metric-year.current .number {
    color: var(--primary-blue);
}

.metric-arrow {
    font-size: 1.5rem;
    color: var(--medium-gray);
}

.metric-change {
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

.metric-change.positive {
    background: #dcfce7;
    color: #166534;
}

.metric-showcase {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.metric-showcase .number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.metric-description {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
    max-width: none;
}

.projection-list {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.projection-item {
    text-align: center;
    flex: 1;
}

.projection-item .number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success-green);
}

.projection-item .label {
    font-size: 0.75rem;
    color: var(--medium-gray);
}

/* ==========================================================================
   Discovery Section
   ========================================================================== */

.discovery-section {
    background: var(--white);
}

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

.discovery-block {
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--light-gray);
}

.discovery-block:last-child {
    border-bottom: none;
}

.block-title {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    margin-bottom: var(--spacing-md);
}

.feature-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-weight: bold;
}

.single-content {
    max-width: 70ch;
    margin: 0 auto;
    text-align: center;
}

.eir-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.eir-stat .number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
}

.eir-stat .label {
    font-size: 0.875rem;
    color: var(--medium-gray);
    margin-top: var(--spacing-xs);
}

.eir-list {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.eir-list h4 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.eir-names {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.eir-names span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--white);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    color: var(--dark-gray);
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */

.gallery-section {
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.gallery-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gallery-item.featured {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item.featured img {
    height: 300px;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    padding: var(--spacing-md);
}

.gallery-caption h4 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.gallery-caption p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
    line-height: 1.4;
}

.gallery-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    border-radius: var(--border-radius-lg);
}

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

.gallery-stat .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.gallery-stat .stat-label {
    font-size: 0.875rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ==========================================================================
   Spotlight Section
   ========================================================================== */

.spotlight-section {
    background: var(--light-gray);
}

.spotlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.spotlight-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.spotlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.spotlight-content h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.spotlight-content p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Future Section
   ========================================================================== */

.future-section {
    background: var(--dark-gray);
    color: var(--white);
}

.future-section .section-title,
.future-section .section-tagline {
    color: var(--white);
}

.future-section .section-tagline {
    color: var(--accent-gold);
}

.priorities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.priority-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.priority-number {
    position: absolute;
    top: -15px;
    left: var(--spacing-lg);
    background: var(--accent-gold);
    color: var(--dark-gray);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.priority-card h4 {
    color: var(--white);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.priority-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.events-section {
    margin-top: var(--spacing-xxl);
}

.events-section h3 {
    color: var(--white);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.events-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.event-item {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--accent-gold);
}

.event-season {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.event-details h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.event-details p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Engagement Section
   ========================================================================== */

.engagement-section {
    background: var(--light-gray);
}

.engagement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.engagement-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.engagement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.engagement-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.engagement-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.engagement-card p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Closing Section
   ========================================================================== */

.closing-section {
    background: var(--primary-blue);
    color: var(--white);
    text-align: center;
}

.closing-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.closing-content .lead-paragraph {
    color: rgba(255, 255, 255, 0.9);
    margin: 0 auto;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.footer-brand p,
.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        min-height: auto;
    }
    
    .hero-content,
    .hero-image {
        max-width: var(--container-max-width);
        margin: 0 auto;
    }
    
    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-container {
        justify-content: space-between;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .content-grid.reverse .visual-content {
        order: 0;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .eir-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .events-timeline {
        grid-template-columns: 1fr;
    }
    
    .gallery-item.featured {
        grid-column: span 1;
    }
    
    .gallery-stats {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 0.75rem;
        --spacing-xxl: 2rem;
        --spacing-xl: 1.5rem;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .metric-comparison {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .projection-list {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }