/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    /* Prevent horizontal scroll from animations */
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    /* Tighter line height for headings */
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    /* Modern tight tracking */
}

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

ul {
    list-style: none;
}

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

/* --- Utility Classes (Design System 2.0) --- */

/* Glassmorphism */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* Gradients */
.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-ocean {
    background: var(--gradient-ocean);
}

.bg-gradient-teal {
    background: var(--gradient-teal);
}

.bg-gradient-warm {
    background: var(--gradient-warm);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Organic Shapes */
.blob-shape {
    border-radius: var(--radius-blob);
}

/* Header Styles */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    /* Slightly transparent */
    backdrop-filter: blur(10px);
    /* Glass effect */
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
    padding: 1rem 0;
}

.site-header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.95);
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    padding: 5px 0;
    transition: all var(--transition-bounce);
}

.logo:hover {
    transform: translateY(-4px);
}

.logo img {
    height: var(--logo-height);
    width: auto;
    object-fit: contain;
    /* Make black logo match the softer dark gray of nav text */
    opacity: 0.82;
    transition: opacity var(--transition-bounce), filter var(--transition-bounce);
}

/* Illuminate effect on hover - gold glow */
.logo:hover img {
    opacity: 1;
    filter: drop-shadow(0 0 8px rgba(233, 185, 73, 0.6));
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-weight: 600;
    color: var(--color-text-dark);
    font-size: 0.95rem;
    position: relative;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    height: 100%;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-bounce);
    /* Bouncy transition */
}

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

.lang-toggle {
    font-weight: 600;
    color: var(--color-text-light);
    cursor: pointer;
    white-space: nowrap;
}

.lang-toggle span.active {
    color: var(--color-text-dark);
}

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

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-dark);
    transition: all var(--transition-fast);
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-lg) 0;
    position: relative;
    /* For absolute positioning of decorative elements */
}

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

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

.text-white {
    color: var(--color-white);
}

/* Buttons - Tactile & Modern */
.btn {
    display: inline-block;
    padding: 16px 36px;
    /* Larger */
    border-radius: var(--radius-full);
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: all var(--transition-bounce);
    /* Bouncy hover */
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:active {
    transform: scale(0.95);
    /* Squeeze effect */
}

.btn-primary {
    background: var(--gradient-primary);
    /* Gradient background */
    color: var(--color-text-dark);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

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

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-text-dark);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

/* Card Styles - Interactive */
.card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

/* Accent top bar - always visible */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--card-accent-color, var(--color-primary));
    z-index: 10;
}

/* Program card accent colors */
.card.card-education {
    --card-accent-color: var(--color-secondary-blue-light);
}

.card.card-mental-health {
    --card-accent-color: var(--color-secondary-green);
}

.card.card-youth-dev {
    --card-accent-color: var(--color-secondary-orange);
}

/* Colored shadow glow - always visible */
.card.card-education {
    box-shadow: 0 4px 20px rgba(43, 108, 159, 0.2);
}

.card.card-mental-health {
    box-shadow: 0 4px 20px rgba(46, 125, 50, 0.2);
}

.card.card-youth-dev {
    box-shadow: 0 4px 20px rgba(216, 67, 21, 0.2);
}

.card:hover {
    transform: translateY(-12px);
}

/* Strong colored glow on hover */
.card.card-education:hover {
    box-shadow: 0 20px 60px rgba(43, 108, 159, 0.4);
}

.card.card-mental-health:hover {
    box-shadow: 0 20px 60px rgba(46, 125, 50, 0.4);
}

.card.card-youth-dev:hover {
    box-shadow: 0 20px 60px rgba(216, 67, 21, 0.4);
}

.card-img-wrapper {
    overflow: hidden;
    height: 240px;
    position: relative;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card:hover .card-img-wrapper img {
    transform: scale(1.08);
}

.card-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Hero Section - Immersive */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-ocean);
    /* Fallback */
    color: var(--color-white);
    text-align: center;
    overflow: hidden;
    margin-top: 0;
    /* Full bleed */
    padding-top: 80px;
    /* Compensate for header */
}

/* Hero Carousel */
.hero-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Gradient Overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(43, 108, 159, 0.85) 0%, rgba(10, 95, 91, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 var(--spacing-sm);
}

.hero-title {
    font-size: 4rem;
    /* Larger */
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Footer Styles */
.site-footer {
    background-color: var(--color-secondary-blue-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    position: relative;
}

/* Wave Separator (can be added via SVG in HTML) */

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

.footer-col h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive & Animations */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 2rem;
        transform: translateY(-100%);
        transition: transform var(--transition-normal);
        z-index: 1000;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-link {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeIn 1s ease-out;
}

/* Scroll Reveal Class (to be triggered by JS) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}