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

:root {
    --primary-color: #2D5BE3;
    --primary-dark: #1e3f9f;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-gray: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo-icon {
    color: var(--primary-color);
}

.brand-name {
    color: var(--text-primary);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    padding: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: background 0.2s;
}

.mobile-link:hover {
    background: var(--bg-gray);
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

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

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--bg-gray);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.subsection-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 3rem 0 1.5rem;
    text-align: center;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.student-icon {
    background: rgba(45, 91, 227, 0.1);
    color: var(--primary-color);
}

.university-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary-color);
}

.employer-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-color);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-list {
    list-style: none;
    color: var(--text-secondary);
}

.card-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.card-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 2rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table thead {
    background: var(--bg-gray);
}

.comparison-table th {
    font-weight: 700;
    color: var(--text-primary);
}

.badgedu-col {
    color: var(--primary-color);
}

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

.comparison-table td:nth-child(3) {
    color: var(--primary-color);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: rgba(45, 91, 227, 0.1);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.feature-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* Badge Examples */
.badge-examples {
    margin-top: 4rem;
}

.badge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.badge-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.badge-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.badge-visual {
    margin-bottom: 1.5rem;
}

.badge-info h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.badge-course {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.badge-grade {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

/* AI Features */
.ai-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.ai-feature {
    text-align: center;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.ai-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.ai-feature h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* Profile Mockup */
.profile-mockup {
    margin-top: 4rem;
}

.profile-card {
    max-width: 600px;
    margin: 2rem auto;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
}

.profile-basic h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.profile-basic p {
    color: var(--text-secondary);
    margin: 0.25rem 0;
}

.profile-gpa {
    color: var(--primary-color);
    font-weight: 600;
}

.profile-skills,
.profile-badges {
    margin-bottom: 2rem;
}

.profile-skills h4,
.profile-badges h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: rgba(45, 91, 227, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.mini-badges {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mini-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-gray);
    border-radius: 0.5rem;
}

.mini-badge-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.mini-badge span {
    font-weight: 500;
}

/* CTA Cards */
.cta-card {
    text-align: center;
}

.cta-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-white);
    border-radius: 1rem;
    padding: 2.5rem;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-gray);
    color: var(--text-primary);
}

.modal-content h2 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 91, 227, 0.1);
}

.form-success {
    display: none;
    text-align: center;
    padding: 2rem 0;
}

.form-success.active {
    display: block;
}

.form-success p {
    margin-top: 1rem;
    color: var(--secondary-color);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }

    .section {
        padding: 3rem 0;
    }

    .modal-content {
        padding: 2rem 1.5rem;
    }
}

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