/* Design 1: Modern Minimal */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --background-light: #ffffff;
    --background-gray: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
    --max-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-light);
}

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

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

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: white;
}

.btn-secondary {
    background-color: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.2rem;
}

/* Header */
.site-header {
    background-color: var(--background-light);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-toggle-open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle-open span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Sections */
.hero, .page-hero {
    position: relative;
    height: 50vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: -1;
}

.hero-content {
    width: 100%;
    z-index: 1;
}

.hero-text {
    max-width: 600px;
    margin-left: 20px;
}

.hero-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.hero-title, .page-title {
    color: white;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description, .page-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* Featured Content Section */
.featured-content {
    padding: 5rem 0;
    background-color: var(--background-gray);
}

.video-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background-color: #000;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: 2rem 0;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-title {
    margin-top: 2rem;
    color: var(--text-primary);
    text-align: center;
    font-size: 1.3rem;
    line-height: 1.5;
}

.sidebar-content {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.sidebar-title {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

/* Navigation Cards */
.nav-cards {
    padding: 5rem 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.nav-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.card-image {
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    opacity: 1;
}

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

.card-content {
    padding: 2rem;
}

.card-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.card-link {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Team Section */
.team-section {
    padding: 5rem 0;
    background-color: var(--background-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.team-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.team-image {
    height: 300px;
    overflow: hidden;
}

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

.team-info {
    padding: 1.5rem;
    text-align: center;
}

.team-name {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Donation Section */
.donation-section {
    padding: 5rem 0;
    background-color: var(--background-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.donation-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.donation-description {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

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

.donation-image {
    max-width: 250px;
    border-radius: var(--border-radius);
}

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

.audience-image {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Article Styles */
.article-content {
    padding: 3rem 0;
}

.article-section {
    margin-bottom: 4rem;
}

.section-header {
    text-align: left;
}

.section-title {
    text-align: left;
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-image {
    margin: 2rem 0;
}

.article-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.image-right {
    float: right;
    margin-left: 2rem;
    max-width: 44%;
}

.image-left {
    float: left;
    margin-right: 2rem;
    max-width: 44%;
}

.image-center {
    text-align: center;
    clear: both;
}

.image-center img {
    max-width: 600px;
    width: 100%;
}

.image-caption {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    margin-top: 0.5rem;
}

.article-quote {
    border-left: 4px solid var(--secondary-color);
    padding-left: 2rem;
    margin: 2rem 0;
    font-style: italic;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.article-cta {
    background: var(--background-gray);
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 3rem;
}

/* Footer */
.site-footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer-content p {
    margin: 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background-color: var(--background-light);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title, .page-title {
        font-size: 2.5rem;
    }
    
    .donation-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .article-image.image-right,
    .article-image.image-left {
        float: none;
        margin: 2rem 0;
        max-width: 100%;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }
}