:root {
    --bg-dark: #ffffff;
    --bg-card: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --white: #ffffff;
    --heading-color: #0f172a;
    --nav-height: 80px;
    --font-main: 'Inter', sans-serif;
}

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

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--heading-color);
    margin-bottom: 1.5rem;
}

.center {
    text-align: center;
}

h1,
h2,
h3,
h4,
h5 {
    color: var(--heading-color);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--accent);
    border: 1px solid var(--accent);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

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

.btn-secondary {
    display: inline-block;
    background-color: var(--white);
    color: var(--text-primary);
    border: 1px solid #e2e8f0;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: 4px;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background-color: #eff6ff;
}

.full-width {
    width: 100%;
}

/* Navigation - distinct header */
/* Navigation - distinct header */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    height: var(--nav-height);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--heading-color);
}

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

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    position: relative;
    overflow: hidden;
    background: linear-gradient(to bottom, #eff6ff, #ffffff);
}

/* Background Blob Effect - Adjusted for Light Mode */
.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    text-align: left;
}

.hero-text {
    z-index: 10;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--heading-color);
}

.highlight {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

.badge {
    display: inline-flex;
    align-items: center;
    background: #eff6ff;
    border: 1px solid #dbeafe;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 25px;
    font-size: 0.9rem;
    color: var(--accent);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-stats-mini {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-secondary);
    border-radius: 50%;
}

/* Hero Image Styling */
.hero-image-wrapper {
    position: relative;
}

.hero-image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    transform: rotate(2deg);
    transition: transform 0.5s ease;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.15);
    /* Softer shadow for light mode */
    border: 4px solid var(--white);
}

.hero-image-container:hover {
    transform: rotate(0deg);
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 30px;
    color: white;
}

.overlay-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: white !important;
}

.overlay-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9) !important;
}

.floating-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background-color: var(--white);
    padding: 15px 25px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: bounce 3s infinite;
}

.fb-icon {
    font-size: 1.5rem;
    background: #eff6ff;
    padding: 10px;
    border-radius: 8px;
    color: var(--accent);
}

.fb-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 700;
}

.fb-value {
    display: block;
    font-weight: 700;
    color: var(--heading-color);
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* About Section */
section {
    padding: 100px 0;
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

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

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.value-card {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.value-card .icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.value-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.value-card p {
    font-size: 0.9rem;
}

/* Curriculum Section */
.filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--accent);
    color: white;
    /* White text on active blue */
    border-color: var(--accent);
}

.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.course-card {
    background-color: var(--bg-card);
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    padding: 30px;
    border-radius: 12px;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.grade-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.75rem;
    background-color: #eff6ff;
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--accent);
    font-weight: 600;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.course-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.course-card p {
    font-size: 0.9rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.topics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.topic {
    font-size: 0.8rem;
    color: var(--accent);
    background-color: rgba(37, 99, 235, 0.05);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #e2e8f0;
    padding-top: 20px;
}

.duration {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.link-btn {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
}

.link-btn:hover {
    text-decoration: underline;
}

.link-btn.disabled {
    color: var(--text-secondary);
    pointer-events: none;
    opacity: 0.6;
}

/* Schools Section */
.schools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.tagline {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}

.feature-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.check-icon {
    color: var(--accent);
    font-size: 1.2rem;
    margin-top: 2px;
}

.school-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid #e2e8f0;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.team-card {
    background-color: var(--bg-card);
    border: 1px solid #e2e8f0;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.avatar {
    width: 80px;
    height: 80px;
    background-color: #eff6ff;
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
    border: 2px solid var(--accent);
}

.role {
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.download-btn {
    display: inline-block;
    border: 1px solid var(--text-secondary);
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

/* Contact Form Premium */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background-color: transparent;
    padding: 0;
    align-items: flex-start;
}

.contact-info {
    padding-right: 20px;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: #eff6ff;
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.info-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.info-link,
.info-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--heading-color);
}

.startup-note {
    background-color: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 20px;
    border-radius: 10px;
    margin-top: 40px;
}

.startup-note h4 {
    color: var(--heading-color);
    margin-bottom: 10px;
    font-size: 1rem;
}

.startup-note p {
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 0;
}

.contact-form-container {
    background-color: var(--white);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid #e2e8f0;
    padding: 40px;
    border-radius: 15px;
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--heading-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

label {
    display: block;
    margin-bottom: 8px;
    color: var(--heading-color);
    font-size: 0.9rem;
    font-weight: 500;
}

input,
textarea,
select {
    width: 100%;
    padding: 12px 15px;
    background-color: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.3s;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2364748b%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right .7em top 50%;
    background-size: .65em auto;
}

input:focus,
textarea:focus,
select:focus {
    background-color: var(--white);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.status-msg {
    margin-top: 15px;
    text-align: center;
    font-size: 0.9rem;
}

/* Footer - Distinct Section */
.site-footer {
    background-color: #f1f5f9;
    /* Light Gray */
    border-top: 1px solid #e2e8f0;
    padding: 60px 0 20px;
    margin-top: 80px;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links h4,
.footer-social h4 {
    color: var(--heading-color);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid #cbd5e1;
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background-color: var(--white);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 40px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-buttons,
    .hero-stats-mini {
        justify-content: center;
    }

    .hero-image-wrapper {
        margin-top: 40px;
    }

    .section-grid,
    .schools-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-brand p {
        margin: 20px auto;
    }

    .social-icons {
        justify-content: center;
    }

    .nav-links {
        display: none;
    }
}