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

:root {
    /* Colors */
    --primary-color: #2c5f7c;
    --primary-dark: #1e4158;
    --primary-light: #4a8fb5;
    --secondary-color: #7fb3d5;
    --accent-color: #f4a261;
    --text-dark: #1a1a1a;
    --text-light: #4a4a4a;
    --text-muted: #6b7280;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-light);
}

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 {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-dark);
}

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

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

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.125rem;
    color: var(--text-muted);
}

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

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.logo svg {
    color: var(--primary-color);
}

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

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

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-dark);
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
}

@media (max-width: 767px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 95, 124, 0.95) 0%, rgba(127, 179, 213, 0.85) 100%),
                url('https://images.unsplash.com/photo-1506126613408-eca07ce68773?w=1920&h=1080&fit=crop') center/cover;
    z-index: -1;
}

.hero-background::after {
    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");
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    color: white;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator span {
    width: 4px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

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

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    color: white;
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.feature-card p {
    margin-bottom: 0;
    font-size: 0.9375rem;
}

/* ===================================
   Mission Section
   =================================== */
.mission {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-light);
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .mission-content {
        grid-template-columns: 1fr 1fr;
    }
}

.mission-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

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

.mission-text h2 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.mission-lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

.mission-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

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

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* ===================================
   Resources Section
   =================================== */
.resources {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-white);
}

.resources-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .resources-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

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

.resource-image {
    height: 250px;
    overflow: hidden;
}

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

.resource-card:hover .resource-image img {
    transform: scale(1.1);
}

.resource-content {
    padding: var(--spacing-lg);
}

.resource-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.resource-content p {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.resource-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap var(--transition-base);
}

.resource-link:hover {
    gap: 1rem;
}

/* ===================================
   Partners Section
   =================================== */
.partners {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-light);
}

.partners-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.partner-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

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

.partner-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.partner-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.partner-card p {
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
}

.partner-link-arrow {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    transition: transform var(--transition-base);
    display: inline-block;
}

.partner-card:hover .partner-link-arrow {
    transform: translateX(8px);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-content-centered {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.contact-info > p {
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
}

.contact-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

@media (min-width: 768px) {
    .contact-details {
        grid-template-columns: repeat(3, 1fr);
    }
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

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

.contact-item svg {
    flex-shrink: 0;
    color: var(--primary-color);
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.contact-item p {
    margin-bottom: 0;
    font-size: 0.9375rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background-color: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-base);
}

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

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

.contact-form .btn {
    width: 100%;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--text-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 640px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.footer-section a:hover {
    color: white;
}

.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;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: underline;
}

.footer-bottom a:hover {
    color: white;
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-4px);
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

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

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

/* ===================================
   Responsive Adjustments
   =================================== */
@media (max-width: 767px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
}

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

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .navbar,
    .hero-cta,
    .scroll-indicator,
    .back-to-top,
    .contact-form {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    h1 {
        font-size: 24pt;
    }
    
    h2 {
        font-size: 18pt;
    }
    
    h3 {
        font-size: 14pt;
    }
}