:root {
    /* Colors */
    --color-primary-dark: #33334b;
    --color-primary-medium: #4a4a6a;
    --color-accent-gold: #E1BB53;
    --color-accent-gold-dark: #d4a839;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #333;
    --color-text-muted: #666;
    --color-text-light: #888;
    --color-bg-light: #f8f9fa;
    --color-bg-lighter: #e9ecef;
    --color-footer: #33334b;

    /* Spacing Scale (8px base) */
    --space-xs: 0.5rem;    /* 8px */
    --space-sm: 1rem;      /* 16px */
    --space-md: 1.5rem;    /* 24px */
    --space-lg: 2rem;      /* 32px */
    --space-xl: 3rem;      /* 48px */
    --space-2xl: 4rem;     /* 64px */
    --space-3xl: 5rem;     /* 80px */
    --space-4xl: 7rem;     /* 112px */

    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --line-height-tight: 1.1;
    --line-height-base: 1.6;
    --line-height-relaxed: 1.7;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50px;

    /* Shadows */
    --shadow-sm: 0 2px 20px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 10px 50px rgba(0, 0, 0, 0.1);
    --shadow-button: 0 4px 15px rgba(225, 187, 83, 0.3);
    --shadow-button-hover: 0 6px 25px rgba(225, 187, 83, 0.5);

    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.2s ease;

    /* Container widths */
    --container-max: 1400px;
}

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

body {
    font-family: var(--font-family-base);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    overflow-x: hidden;
}

html {
    scroll-padding-top: 100px;
}

h1 {
    letter-spacing: -0.02em;
}

h2 {
    letter-spacing: -0.01em;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-medium) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: var(--color-primary-dark);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-gold);
    transition: width 0.3s;
}

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

.donate-btn {
    background: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-accent-gold-dark) 100%);
    color: var(--color-primary-dark);
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: var(--shadow-button);
}

.donate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary-dark);
    transition: var(--transition-base);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    background:
        linear-gradient(135deg, rgba(51, 51, 75, 0.85) 0%, rgba(74, 74, 106, 0.85) 100%),
        url('images/hero/hero-main.jpg') center/cover no-repeat;
    color: white;
    padding: var(--space-4xl) var(--space-lg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    animation: float 20s linear infinite;
}

@keyframes float {
    from { transform: translateY(0); }
    to { transform: translateY(-100px); }
}

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

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    line-height: var(--line-height-tight);
    animation: fadeInUp 0.8s ease;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 700px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease 0.4s both;
}

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

.cta-primary,
.cta-secondary {
    padding: var(--space-sm) 2.5rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
    font-size: 1.1rem;
}

.cta-primary {
    background: white;
    color: var(--color-primary-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
}

.cta-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.cta-secondary-dark {
    color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* Stats Section */
.stats {
    background: var(--color-bg-light);
    padding: var(--space-3xl) var(--space-lg);
}

.stats-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.stat-card {
    text-align: center;
    padding: var(--space-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-medium) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Mission Section */
.mission {
    padding: var(--space-4xl) var(--space-lg);
    max-width: var(--container-max);
    margin: 0 auto;
}

.mission h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.mission-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.mission-text {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.mission-description {
    max-width: 900px;
    margin: 3rem auto 0;
    font-size: 1.05rem;
    line-height: 1.8;
    color: #555;
}

.mission-description p {
    margin-bottom: 1.5rem;
}

.mission-description p:last-child {
    margin-bottom: 0;
}

.mission-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.mission-card {
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-lighter) 100%);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    border-left: 5px solid var(--color-accent-gold);
}

.mission-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.mission-card h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-sm);
    color: var(--color-primary-dark);
}

.mission-card p {
    color: #555;
    font-size: 1.1rem;
    line-height: var(--line-height-relaxed);
}

/* Programs Section */
.programs {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-medium) 100%);
    color: white;
    padding: var(--space-4xl) var(--space-lg);
}

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

.programs h2 {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.program-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-base);
    overflow: hidden;
}

.program-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.program-image {
    width: 100%;
    height: 230px;
    object-fit: cover;
    display: block;
}

.program-content {
    padding: 2.5rem;
}

/* For cards without images, add padding directly */
.program-card > .program-content:first-child {
    padding: 2.5rem;
}

.program-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.program-card h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-sm);
}

.badge-planned {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(225, 187, 83, 0.2);
    color: var(--color-accent-gold);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-left: 0.5rem;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.program-card p {
    opacity: 0.9;
    line-height: var(--line-height-relaxed);
}

/* Community Images */
.community-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.community-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.community-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* CTA Section */
.final-cta {
    padding: var(--space-4xl) var(--space-lg);
    text-align: center;
    background: var(--color-bg-light);
}

.final-cta h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.final-cta p {
    font-size: 1.3rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    background: var(--color-footer);
    color: white;
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section h3 {
    margin-bottom: var(--space-md);
    font-size: 1.3rem;
}

.footer-section a {
    display: block;
    color: #bbb;
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--color-accent-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid #333;
    color: var(--color-text-light);
}

.footer-bottom p {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.footer-bottom p:first-child {
    margin-top: 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    nav {
        padding: var(--space-sm) var(--space-md);
        position: relative;
    }

    .logo {
        font-size: 1.25rem;
        flex: 1;
        text-align: center;
    }

    .mobile-menu-toggle {
        display: flex;
        order: -1;
    }

    .nav-right {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: var(--space-lg) var(--space-lg);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    }

    .nav-right.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
    }

    .nav-links li {
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: var(--space-sm) 0;
        font-size: 1.1rem;
    }

    .nav-links a::after {
        display: none;
    }

    .donate-btn {
        padding: 0.65rem 1.5rem;
        font-size: 0.9rem;
        margin-top: var(--space-md);
        text-align: center;
    }

    .hero {
        margin-top: 70px;
        padding: var(--space-3xl) var(--space-md);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .community-images {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .community-image {
        height: 250px;
    }

    .program-image {
        height: 250px;
    }
}