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

:root {
    /* Colors */
    --primary-blue: #2563EB;
    --dark-navy: #1E293B;
    --light-blue: #DBEAFE;
    --cyan: #06B6D4;
    --green: #10B981;
    --orange: #F59E0B;
    --purple: #8B5CF6;
    --gradient-start: #2563EB;
    --gradient-end: #06B6D4;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-main);
    color: #1f2937;
    line-height: 1.6;
    overflow-x: hidden;
    background: #ffffff;
}

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

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.logo-icon svg {
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-navy);
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 500;
    color: #64748b;
    letter-spacing: 0.1em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    margin: 0;
    padding: 0;
}

.nav-link {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
    color: #475569;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.nav-link.active {
    background: var(--dark-navy);
    color: white;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark-navy);
    transition: var(--transition-base);
}

/* Hero Section */
.hero-section {
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

.btn-secondary {
    background: white;
    color: var(--dark-navy);
    border: 2px solid #e2e8f0;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* Hero Image Card */
.hero-image {
    position: relative;
    padding: 2rem;
}

.hero-card {
    position: relative;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.card-image {
    width: 100%;
    height: auto;
    display: block;
}

.floating-badge {
    position: absolute;
    background: white;
    padding: 1rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: fadeInUp 0.8s ease;
}

.badge-1 {
    top: 8%;
    left: -5%;
    animation-delay: 0.3s;
}

.badge-2 {
    top: 40%;
    right: -5%;
    animation-delay: 0.6s;
}

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

.badge-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark-navy);
}

.badge-subtitle {
    font-size: 0.75rem;
    color: #64748b;
}

.progress-bar {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    background: white;
    padding: 1rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.progress-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.progress-track {
    height: 8px;
    background: #e2e8f0;
    border-radius: 1rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--cyan));
    border-radius: 1rem;
    animation: progressGrow 2s ease;
}

@keyframes progressGrow {
    from { width: 0; }
}

.base64-badge {
    position: absolute;
    bottom: -1rem;
    right: 1rem;
    background: var(--dark-navy);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.circle-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-blue);
    top: -200px;
    right: -200px;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: var(--cyan);
    top: 100px;
    right: 100px;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: #f8fafc;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: #64748b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    transition: all var(--transition-base);
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.feature-icon.blue {
    background: var(--light-blue);
    color: var(--primary-blue);
}

.feature-icon.cyan {
    background: #CFFAFE;
    color: var(--cyan);
}

.feature-icon.green {
    background: #D1FAE5;
    color: var(--green);
}

.feature-icon.orange {
    background: #FEF3C7;
    color: var(--orange);
}

.feature-icon.purple {
    background: #EDE9FE;
    color: var(--purple);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 0.75rem;
}

.feature-description {
    color: #64748b;
    line-height: 1.6;
}

/* Education Section */
.education-section {
    padding: 6rem 0;
}

.education-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.education-image {
    position: relative;
}

.community-image {
    width: 100%;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.image-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: var(--primary-blue);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.education-text .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    gap: 1rem;
}

.benefit-item h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 0.25rem;
}

.benefit-item p {
    color: #64748b;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    position: relative;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--cyan) 100%);
    overflow: hidden;
}

.cta-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.cta-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.cta-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    font-weight: 500;
}

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

.btn-white:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.course-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
    border-radius: 1.5rem;
    color: white;
}

.course-icon {
    margin-bottom: var(--spacing-md);
}

.course-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.course-info h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.course-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.course-modules {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.module-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.cta-gradient {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Footer */
.footer {
    background: var(--dark-navy);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: #94a3b8;
    line-height: 1.6;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: #94a3b8;
    transition: color var(--transition-base);
}

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

.footer-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #94a3b8;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content,
    .education-content,
    .cta-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2.25rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-section {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .floating-badge {
        position: static;
        margin-top: var(--spacing-md);
    }
    
    .badge-1,
    .badge-2 {
        animation: none;
    }
}

/* Animations */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-blue);
    color: white;
}