/* ===================================
   CSS Variables - Pastel Color Palette
   Inspired by Ali Abdaal's Design
   =================================== */
:root {
    /* Pastel Colors */
    --color-primary: #9B7FC4;
    --color-primary-light: #E8DFF5;
    --color-secondary: #D95F7F;
    --color-secondary-light: #FCE1E4;
    --color-accent: #51C097;
    --color-accent-light: #DFF0EA;
    --color-warning: #F5B944;
    --color-warning-light: #FFF4DE;
    
    /* Neutral Colors */
    --color-background: #FDFCFA;
    --color-white: #FFFFFF;
    --color-text-primary: #2D2D2D;
    --color-text-secondary: #6B6B6B;
    --color-text-light: #9B9B9B;
    --color-border: #E8E8E8;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-base);
}

ul {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(253, 252, 250, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: transform var(--transition-base);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-display);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

.social-links-header {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.social-links-header a {
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-links-header a:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding-top: 140px;
    padding-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

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

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

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

.hero-tagline {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    animation: fadeInRight 0.8s ease-out;
}

.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: #8869b3;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ===================================
   Section Titles
   =================================== */
.section-title {
    font-family: var(--font-display);
    font-size: 2.75rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.subsection-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

/* ===================================
   About Section
   =================================== */
.about {
    background-color: var(--color-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text .lead {
    font-size: 1.4rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-primary-light);
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    display: block;
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ===================================
   Projects Section
   =================================== */
.projects {
    background-color: var(--color-background);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: var(--spacing-md);
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.project-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.tag {
    padding: 0.25rem 0.75rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.project-link:hover {
    gap: 0.5rem;
}

/* ===================================
   Events Section
   =================================== */
.events {
    background-color: var(--color-white);
}

.events-section-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.event-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-base);
}

.event-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.event-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    padding: var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
}

.date-day {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.date-month {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

.event-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.event-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.event-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

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

.event-highlight-card {
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-base);
}

.event-highlight-card:hover {
    transform: translateY(-5px);
}

.event-highlight-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.event-highlight-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.event-highlight-content {
    padding: var(--spacing-md);
}

.event-highlight-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.event-highlight-content p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   Hackathons Section
   =================================== */
.hackathons {
    background-color: var(--color-background);
}

.hackathons-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hackathon-featured {
    margin-bottom: var(--spacing-md);
}

.hackathon-card {
    position: relative;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.hackathon-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0.5rem 1rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.hackathon-content h4 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.hackathon-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.hackathon-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-sm);
}

.detail-item {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.detail-item strong {
    color: var(--color-text-primary);
}

.hackathon-themes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.theme-tag {
    padding: 0.5rem 1rem;
    background-color: var(--color-white);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.hackathons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.hackathon-summary-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.hackathon-summary-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.hackathon-summary-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.hackathon-summary-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hackathon-summary-content {
    padding: var(--spacing-md);
}

.hackathon-summary-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.hackathon-summary-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.winner-highlight {
    padding: var(--spacing-sm);
    background-color: var(--color-warning-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.winner-highlight strong {
    color: var(--color-text-primary);
}

/* ===================================
   Community Section
   =================================== */
.community {
    background-color: var(--color-white);
}

.community-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.community-stats-banner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.community-stat {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
    border-radius: var(--radius-md);
    text-align: center;
}

.stat-number-large {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.stat-label-large {
    display: block;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.community-cta {
    margin-top: var(--spacing-md);
}

.community-cta .lead {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

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

.feature-card {
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.member-card {
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.member-card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm);
    object-fit: cover;
}

.member-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.member-role {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.member-achievement {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ===================================
   Blog Section
   =================================== */
.blog {
    background-color: var(--color-background);
}

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

.blog-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.blog-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.375rem 0.875rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-content {
    padding: var(--spacing-md);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.blog-content h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.blog-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.blog-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.blog-link:hover {
    gap: 0.5rem;
}

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

/* ===================================
   Resources Section
   =================================== */
.resources {
    background-color: var(--color-white);
}

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

.resource-card {
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.resource-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.resource-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.resource-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.resource-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.resource-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
}

.testimonials-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    padding: 0 3rem;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-card {
    min-width: 100%;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-content {
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.testimonial-author p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    color: var(--color-primary);
}

.slider-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: 0;
}

.slider-btn.next {
    right: 0;
}

/* ===================================
   Newsletter Section
   =================================== */
.newsletter {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-warning-light) 100%);
    padding: var(--spacing-lg) 0;
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-text h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.newsletter-text p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color var(--transition-base);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.newsletter-privacy {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.newsletter-privacy a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background-color: var(--color-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-info-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-info-item h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.contact-info-item p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.contact-social h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.social-links-large {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links-large a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-links-large a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-section ul li a:hover {
    color: var(--color-white);
}

.social-links-footer {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links-footer a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-links-footer a:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-delay-1 {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.fade-in-delay-2 {
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.fade-in-delay-3 {
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.3rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .community-stats-banner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .social-links-header {
        display: none;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .hero {
        padding-top: 100px;
        min-height: auto;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .event-card {
        flex-direction: column;
    }

    .hackathon-details {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .testimonials-slider {
        padding: 0 2rem;
    }

    .btn-large {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .testimonials-slider {
        padding: 0 1rem;
    }

    .slider-btn {
        width: 32px;
        height: 32px;
    }

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

/* ===================================
   Accessibility
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}