/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
:root {
    /* Colors (from logo gradient) */
    --color-primary: #863068; /* Purple */
    --color-secondary: #A34583; /* Lighter Purple */
    --color-accent: #C467A4; /* Lightest Purple */
    
    /* Background & Surfaces */
    --bg-main: #FAFAFA;
    --bg-surface: rgba(255, 255, 255, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.25);
    
    /* Text */
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --text-light: #9CA3AF;
    
    /* Gradients */
    --gradient-brand: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 50%, var(--color-primary) 100%);
    --gradient-glow: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, rgba(139, 92, 246, 0.05) 50%, rgba(255,255,255,0) 100%);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --border-glass: 1px solid rgba(255, 255, 255, 0.4);
    
    /* Layout */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --container-width: 1200px;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* ==========================================================================
   Background Decorators (Abstract shapes for modern look)
   ========================================================================== */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.6;
}

.bg-shape-1 {
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-secondary), var(--color-primary));
}

.bg-shape-2 {
    top: 40%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-accent), var(--color-secondary));
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 100px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-brand);
    color: white;
    box-shadow: 0 10px 20px -10px var(--color-primary);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    z-index: -1;
    opacity: 0;
    transition: var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px -10px var(--color-primary);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1;
    letter-spacing: 2px;
}

.logo-text b {
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn) {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-brand);
    transition: var(--transition-fast);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-primary);
    border-radius: 100px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 24px;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cref-info {
    margin-top: 24px;
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.abstract-hero-card {
    position: relative;
    width: 100%;
    height: 100%;
}

.card-glass {
    position: absolute;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: var(--border-glass);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-glass);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.card-glass:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-glass:nth-child(2) {
    bottom: 25%;
    right: 10%;
    animation-delay: 3s;
}

.icon-large {
    font-size: 3rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.central-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(350px, 80vw);
    height: min(350px, 80vw);
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--color-accent), var(--color-secondary), var(--color-primary), var(--color-accent));
    filter: blur(2px);
    z-index: 1;
    animation: spin 10s linear infinite;
}

.central-ring::after {
    content: '';
    position: absolute;
    top: 20px; left: 20px; right: 20px; bottom: 20px;
    background: var(--bg-main);
    border-radius: 50%;
}

/* ==========================================================================
   Sections Base
   ========================================================================== */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 64px auto;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
}

.about-img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    object-fit: cover;
    aspect-ratio: 4/5;
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 24px;
    border-radius: var(--border-radius-md);
    border: var(--border-glass);
    box-shadow: var(--shadow-glass);
    display: flex;
    align-items: center;
    gap: 16px;
}

.experience-badge .number {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--color-primary);
}

.experience-badge .text {
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.2;
}

.about-content p {
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin-top: 40px;
}

.stat-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.stat-item i {
    font-size: 2rem;
    color: var(--color-primary);
    background: rgba(134, 48, 104, 0.1);
    padding: 12px;
    border-radius: 12px;
}

.stat-info h4 {
    font-size: 1.125rem;
    margin-bottom: 4px;
}

.stat-info span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Programs Section
   ========================================================================== */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.program-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: var(--border-glass);
    padding: 40px 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.program-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: var(--transition-normal);
}

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

.program-card:hover::after {
    opacity: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 24px;
    transition: var(--transition-fast);
    color: var(--color-primary);
    background: rgba(134, 48, 104, 0.1);
}

.program-card:hover .card-icon {
    transform: scale(1.1);
}

.program-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.program-card p {
    color: var(--text-secondary);
}

/* ==========================================================================
   Location Section
   ========================================================================== */
.location-section {
    padding-bottom: 120px;
}

.location-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--bg-surface);
    border: var(--border-glass);
    box-shadow: var(--shadow-glass);
}

.location-content {
    padding: 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.location-content h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.location-content p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.125rem;
}

.contact-list {
    list-style: none;
    margin-bottom: 48px;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-list i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 4px;
}

.contact-list span, .contact-list a {
    font-size: 1.125rem;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-list a:hover {
    color: var(--color-secondary);
}

.location-map {
    position: relative;
    min-height: 400px;
    background: #E5E7EB; /* Placeholder for map */
}

.map-placeholder {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-align: center;
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: white;
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 64px;
    padding-bottom: 64px;
}

.footer-desc {
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-links h4 {
    font-size: 1.125rem;
    margin-bottom: 24px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.legal-text {
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid rgba(0,0,0,0.05);
    padding: 24px 0;
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

@keyframes spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.2s; }
.reveal-delay-2 { transition-delay: 0.4s; }

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero-container, .about-container, .location-card, .footer-container {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        text-align: center;
        margin: 0 auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .about-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none; /* Hide on mobile for now, requires JS to toggle */
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .location-content {
        padding: 32px;
    }
    
    .footer-container {
        gap: 32px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 32px;
    }
    
    .card-glass {
        padding: 16px;
    }
    
    .icon-large {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .stats-row {
        gap: 16px;
    }
    .experience-badge {
        right: 0;
        bottom: -20px;
        padding: 16px;
    }
    .experience-badge .number {
        font-size: 2rem;
    }
}