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

:root {
    /* Color Palette - Education Theme */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4ade80;
    --warning-color: #fbbf24;
    
    /* Neutrals */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

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

.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: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    width: 50px;
    height: 50px;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: rotate(5deg) scale(1.05);
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 50%, #fce7f3 100%);
    z-index: -1;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--gradient-secondary);
    top: 60%;
    left: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--gradient-accent);
    top: 20%;
    right: 10%;
    animation-delay: 4s;
}

.shape-4 {
    width: 150px;
    height: 150px;
    background: var(--gradient-primary);
    bottom: 10%;
    right: 15%;
    animation-delay: 6s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, 30px) rotate(90deg);
    }
    50% {
        transform: translate(-20px, 40px) rotate(180deg);
    }
    75% {
        transform: translate(-30px, -20px) rotate(270deg);
    }
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

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

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

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-visual {
    position: relative;
    height: 500px;
}

.visual-card {
    position: absolute;
    background: white;
    border-radius: 20px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    animation: cardFloat 6s infinite ease-in-out;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: 10%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 10%;
    left: 20%;
    animation-delay: 4s;
}

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

.card-icon {
    font-size: 3rem;
}

.card-text {
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

/* Services Section */
.services {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* About Section */
.about {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-secondary);
}

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

.about-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-sm);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-text h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.feature-text p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.about-visual {
    position: relative;
    height: 400px;
}

.visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    height: 100%;
}

.grid-item {
    background: white;
    border-radius: 20px;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.grid-item:hover {
    transform: scale(1.05);
}

.item-emoji {
    font-size: 3rem;
}

.item-label {
    font-weight: 600;
    color: var(--text-primary);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-secondary);
}

.contact-form-wrapper {
    background: white;
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* Terms Section */
.terms {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-secondary);
}

.terms-page {
    padding-top: calc(80px + var(--spacing-lg));
    min-height: 100vh;
}

.terms-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.terms-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-top: var(--spacing-sm);
}

.terms-footer {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    text-align: center;
}

.terms-footer p {
    color: white;
    font-size: 1.125rem;
    line-height: 1.8;
    margin: 0;
}

.terms-content {
    display: grid;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.terms-section {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.terms-section h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.terms-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

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

.footer-logo span {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.footer-description {
    color: var(--text-light);
    line-height: 1.8;
}

.footer-section h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: white;
    padding-left: 5px;
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content,
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Success Message */
.success-message {
    background: var(--success-color);
    color: white;
    padding: var(--spacing-sm);
    border-radius: 8px;
    text-align: center;
    margin-top: var(--spacing-sm);
    animation: fadeIn 0.3s ease;
}