:root {
    /* Colors - Sleek Dark Theme */
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #2dd4bf11; /* Teal tint for hover */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    /* Accents */
    --accent: #2dd4bf; /* Vibrant Teal */
    --accent-glow: rgba(45, 212, 191, 0.4);
    --gradient-primary: linear-gradient(135deg, #2dd4bf 0%, #3b82f6 100%);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

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

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 700;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.alt-bg {
    background-color: rgba(30, 41, 59, 0.4);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--text-muted);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-small {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    background: rgba(255,255,255,0.1);
    border-radius: 50px;
}
.btn-small:hover {
    background: var(--gradient-primary);
    color: white;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 1rem 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-text {
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.tuition-text {
    background: linear-gradient(to right, #2dd4bf, #3b82f6, #818cf8, #2dd4bf, #3b82f6);
    background-size: 300% auto;
    color: #fff;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 5s linear infinite;
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: 2px;
    margin-left: 5px;
    transition: all 0.4s ease;
}

@keyframes shine {
    100% { background-position: -300% center; }
}

.logo:hover .tuition-text {
    filter: drop-shadow(0 0 12px rgba(45, 212, 191, 0.6));
    letter-spacing: 4px;
}

.logo-icon {
    color: var(--accent);
    font-size: 1.8rem;
}

.nav-list {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 5rem;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: rgba(45, 212, 191, 0.15);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: rgba(59, 130, 246, 0.15);
    bottom: 100px;
    left: -50px;
}

.hero-container {
    display: flex;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(45, 212, 191, 0.1);
    color: var(--accent);
    border: 1px solid rgba(45, 212, 191, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Stats Ribbon */
.stats-ribbon {
    background: var(--gradient-primary);
    padding: 3rem 0;
}

.stats-container {
    display: flex;
    justify-content: space-around;
    text-align: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat-number {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.stat-text {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    background: var(--bg-card-hover);
    border-color: rgba(45, 212, 191, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.card-grade {
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 600;
}

.card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.card-features li {
    margin-bottom: 0.5rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-features li i {
    color: var(--accent);
    font-size: 0.8rem;
}

.premium-card {
    border: 1px solid rgba(59, 130, 246, 0.3);
    background: linear-gradient(180deg, var(--bg-card) 0%, rgba(30, 41, 59, 0.8) 100%);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.premium-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-primary);
    font-size: 0.75rem;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-weight: 700;
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.instructor-name {
    font-size: 2rem;
    margin: 1rem 0;
}

.degree {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 500;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: rgba(45, 212, 191, 0.1);
    color: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.highlight-item h4 {
    margin-bottom: 0.3rem;
}

.highlight-item p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* About Classroom Image */
.about-image {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 4 / 3;
    height: auto;
    border-radius: 20px;
    border: 2px solid rgba(45, 212, 191, 0.3);
    z-index: 10;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    overflow: hidden;
    position: relative;
    background: #1e293b;
}

.mentor-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}
.blob-shape {
    position: absolute;
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1 / 1;
    height: auto;
    background: var(--gradient-primary);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    animation: morph 8s ease-in-out infinite;
    z-index: 1;
    opacity: 0.5;
    filter: blur(20px);
}

@keyframes morph {
    0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
    34% { border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%; }
    67% { border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%; }
}


/* Mentor Profile Section */
.mentor-card {
    display: flex;
    align-items: center;
    gap: 3rem;
    background: linear-gradient(145deg, var(--bg-card), rgba(30, 41, 59, 0.5));
    border: 1px solid rgba(45, 212, 191, 0.2);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    max-width: 900px;
    margin: 0 auto;
}

.mentor-avatar-container {
    width: 200px;
    height: 200px;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent);
    box-shadow: 0 0 30px rgba(45, 212, 191, 0.3);
}

.mentor-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.mentor-details h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.role-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.mentor-bio {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .mentor-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
        gap: 1.5rem;
    }
}


/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: rgba(45, 212, 191, 0.2);
}

.quote-icon {
    color: rgba(45, 212, 191, 0.2);
    font-size: 3rem;
    position: absolute;
    top: 1.5rem;
    right: 2rem;
}

.testimonial-text {
    color: var(--text-main);
    font-style: italic;
    font-size: 1.05rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
}

.author-avatar {
    width: 45px;
    height: 45px;
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.author-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--accent);
}

.faq-question i {
    color: var(--accent);
    transition: transform 0.3s ease;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer p {
    padding: 0 2rem 1.5rem 2rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: 1rem;
    padding-top: 1.5rem;
}


/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent);
}

.info-item h4 {
    margin-bottom: 0.3rem;
}

.info-item p {
    color: var(--text-muted);
}

/* Form Styles */
.contact-form {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: #fff;
    font-family: var(--font-body);
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(15, 23, 42, 0.8);
}

.submit-btn {
    width: 100%;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: #090e1a;
    padding: 4rem 0 0 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 400px;
}

.footer-links h4 {
    margin-bottom: 1rem;
}

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

.footer-links ul li a {
    color: var(--text-muted);
}

.footer-links ul li a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Variables */
@media (max-width: 992px) {
    .about-container, .contact-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 3rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .about-image {
        display: flex;
        justify-content: center;
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none; 
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-cta {
        flex-direction: column;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .stats-container {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    .tuition-text {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }
    .section {
        padding: 4rem 1rem;
    }
}