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

:root {
    --primary-blue: #4a6ee0;
    --secondary-blue: #6a8cff;
    --accent-purple: #8a2be2;
    --accent-cyan: #00bcd4;
    --light-bg: #f8f9ff;
    --dark-text: #333;
    --light-text: #555;
    --white: #ffffff;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: #121826;
        --white: #1e293b;
        --dark-text: #f1f5f9;
        --light-text: #cbd5e1;
        --shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-blue), var(--accent-purple));
    border-radius: 2px;
}

p {
    margin-bottom: 1rem;
    color: var(--light-text);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow);
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(74, 110, 224, 0.3);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.btn-submit {
    width: 100%;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--light-text);
}

.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

@media (prefers-color-scheme: dark) {
    header {
        background-color: rgba(30, 41, 59, 0.95);
    }
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--accent-purple);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-blue), var(--accent-purple));
    transition: var(--transition);
}

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

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

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: 100px;
    background: linear-gradient(135deg, rgba(74, 110, 224, 0.1) 0%, rgba(138, 43, 226, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="%234a6ee0" opacity="0.03"/></svg>');
    background-size: cover;
    z-index: -1;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.hero-text {
    flex: 1;
    min-width: 300px;
    padding-right: 30px;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.hero-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--dark-text);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--light-text);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-purple) 100%);
    color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.about-card h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.about-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* Courses Section */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.course-card {
    border-top: 5px solid var(--primary-blue);
}

.course-card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.course-features {
    list-style: none;
    margin-top: 20px;
}

.course-features li {
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
    position: relative;
    padding-left: 30px;
}

.course-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

/* Why Us Section */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.why-card {
    text-align: center;
    padding: 30px 20px;
}

.why-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, rgba(74, 110, 224, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
    border-radius: var(--border-radius);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--accent-cyan);
}

/* Results Section */
.results-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.result-card {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.result-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

/* Teacher Profile */
.teacher-profile {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.teacher-image {
    flex: 1;
    min-width: 250px;
    text-align: center;
}

.teacher-placeholder {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto;
    border: 5px solid var(--primary-blue);
    box-shadow: var(--shadow);
}

.teacher-info {
    flex: 2;
    min-width: 300px;
}

.teacher-role {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 20px;
}

/* Reviews Section */
.reviews-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    padding: 30px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 4rem;
    color: var(--primary-blue);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.reviewer {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    border-radius: 50%;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

/* Admission Process */
.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
}

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.batch-info {
    text-align: center;
    margin-top: 50px;
}

/* Contact Section */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 15px;
    font-size: 1.2rem;
}

.map-container {
    margin-top: 30px;
}

.map-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    margin-top: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
    color: var(--dark-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(74, 110, 224, 0.1);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-purple) 100%);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about {
    flex: 1;
    min-width: 300px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    display: inline-block;
    text-decoration: none;
}

.footer-links-section, .footer-social {
    flex: 1;
    min-width: 200px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    z-index: 100;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* Responsive Styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero {
        padding-top: 150px;
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text {
        padding-right: 0;
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 40px;
        transition: var(--transition);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 576px) {
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}