:root {
    --bg-dark: #070913;
    --bg-darker: #04050a;
    --bg-card: rgba(16, 21, 38, 0.6);
    --bg-card-hover: rgba(22, 28, 50, 0.8);
    
    --text-main: #f0f2f8;
    --text-muted: #9ba1b8;
    
    --accent-cyan: #00f0ff;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    
    --border-color: rgba(255, 255, 255, 0.08);
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

body {
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    line-height: 1.2;
    font-weight: 600;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
}

.center {
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.lead-text {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 1rem;
    border: none;
}

.btn-sm {
    padding: 0.6rem 1.2rem;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.5);
    transform: translateY(-2px);
}

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

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

.btn-full {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    background: rgba(7, 9, 19, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    position: relative;
    padding: 12rem 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-dark) 80%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-purple);
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.headline {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero .sub-headline {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 5rem;
}

.cta-subtext {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-image-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 16px;
    transform: perspective(1000px) rotateX(5deg);
    transition: transform 0.5s ease;
    border: 1px solid var(--border-color);
}

.hero-image-wrapper:hover {
    transform: perspective(1000px) rotateX(0deg);
}

.hero-mockup {
    width: 100%;
    display: block;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0,240,255,0.2) 0%, transparent 60%);
    z-index: -1;
    filter: blur(40px);
}

/* AI Gap Section */
.ai-gap {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.gap-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.gap-text .section-title {
    text-align: left;
}

.gap-text .lead-text {
    text-align: left;
    margin: 0 0 2rem 0;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-list li {
    display: flex;
    gap: 1.5rem;
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 240, 255, 0.1);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-list h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-list p {
    color: var(--text-muted);
}

.gap-card {
    background: linear-gradient(145deg, var(--bg-card), rgba(7, 9, 19, 0.8));
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.gap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
}

.gap-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
}

/* Curriculum Grid */
.track-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
}

.track-card:hover {
    transform: translateY(-5px);
    border-color: rgba(139, 92, 246, 0.3);
    background: var(--bg-card-hover);
}

.card-glow {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 50%;
    filter: blur(40px);
    transition: var(--transition);
}

.track-card:hover .card-glow {
    background: rgba(0, 240, 255, 0.2);
    transform: scale(1.2);
}

.track-icon {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
}

.track-subtitle {
    color: var(--accent-cyan);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.card-text {
    color: var(--text-muted);
    margin-bottom: 2rem;
    min-height: 80px;
}

.track-features {
    list-style: none;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.track-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: #cbd5e1;
    font-size: 0.95rem;
}

.track-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-purple);
}

/* Social Proof */
.social-proof {
    background-color: var(--bg-darker);
    text-align: center;
}

.proof-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.logo-cloud {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-bottom: 5rem;
    opacity: 0.5;
}

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

.testimonial-container {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    position: relative;
}

.quote-icon {
    font-family: serif;
    font-size: 6rem;
    position: absolute;
    top: 10px;
    left: 30px;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
}

.quote-text {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
}

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

.author-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Why Us */
.img-fluid {
    width: 100%;
    height: auto;
}

.rounded {
    border-radius: 12px;
}

.border-glow {
    border: 1px solid var(--border-color);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
}

.why-text .section-title {
    text-align: left;
}

.why-text .lead-text {
    text-align: left;
    margin-left: 0;
    margin-bottom: 3rem;
}

.feature-box {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--border-color);
    transition: var(--transition);
}

.feature-box:hover {
    border-left-color: var(--accent-cyan);
}

.feature-box h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.feature-box p {
    color: var(--text-muted);
}

/* Pricing */
.pricing {
    background-color: var(--bg-darker);
}

.pricing-table {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    text-align: center;
    position: relative;
}

.price-card.popular {
    border-color: var(--accent-purple);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.15);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.price-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    margin-bottom: 1.5rem;
}

.currency {
    font-size: 1.5rem;
    vertical-align: super;
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-heading);
}

.period {
    color: var(--text-muted);
}

.price-desc {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.price-features {
    list-style: none;
    text-align: left;
    margin-bottom: 3rem;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.price-features svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-cyan);
    stroke-width: 2;
    fill: none;
}

.guarantee {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.5rem 0;
    font-size: 1.25rem;
    font-family: var(--font-sans);
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question .icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    color: var(--text-muted);
    padding-bottom: 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-item.active .icon {
    transform: rotate(45deg);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding-top: 5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand {
    max-width: 300px;
}

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

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

.footer-links h4 {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .headline {
        font-size: 3.5rem;
    }
    
    .gap-grid, .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-image {
        order: 2;
    }
    
    .why-text {
        order: 1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .headline {
        font-size: 2.5rem;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 5rem 0;
    }

    .agenda-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .agenda-action {
        width: 100%;
        text-align: left;
    }
    
    .agenda-action .btn {
        width: 100%;
    }
}

/* Agenda Section */
.agenda {
    background-color: var(--bg-dark);
}

.agenda-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text-main);
    border-color: rgba(255, 255, 255, 0.2);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.agenda-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.agenda-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.agenda-card:hover {
    border-color: var(--accent-cyan);
    background: var(--bg-card-hover);
    transform: translateX(5px);
}

.agenda-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 12px;
    min-width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.agenda-date .month {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent-cyan);
    text-transform: uppercase;
}

.agenda-date .day {
    font-size: 1.8rem;
    font-weight: 800;
    font-family: var(--font-heading);
    line-height: 1.1;
}

.agenda-info {
    flex-grow: 1;
    padding: 0 2rem;
}

.agenda-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.agenda-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.agenda-time svg {
    color: var(--accent-purple);
}

.agenda-details {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.agenda-action {
    text-align: right;
    min-width: 180px;
}

.spots-left {
    font-size: 0.8rem;
    color: var(--accent-cyan);
    margin-top: 0.5rem;
    font-weight: 600;
}