@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #f0f6fc;
    background: #0d1117;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(13, 17, 23, 0.95);
    border-bottom: 1px solid rgba(48, 54, 61, 0.8);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: #f0f6fc;
    text-decoration: none;
    transition: all 0.2s ease;
}

.nav-brand:hover {
    transform: translateY(-1px);
}

.brand-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 2px 8px rgba(88, 166, 255, 0.6))
            drop-shadow(0 0 12px rgba(88, 166, 255, 0.4));
    text-shadow: 0 0 20px rgba(88, 166, 255, 0.3);
}

.brand-text {
    background: linear-gradient(135deg, #58a6ff, #79c0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: #8b949e;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
}

.nav-links a:not(.btn-primary) {
    border: 1px solid transparent;
}

.nav-links a:not(.btn-primary):hover {
    color: #f0f6fc;
    background: rgba(88, 166, 255, 0.1);
    border-color: rgba(88, 166, 255, 0.2);
    box-shadow: 0 2px 8px rgba(88, 166, 255, 0.15);
    transform: translateY(-1px);
}

.nav-links a.active:not(.btn-primary) {
    color: #58a6ff;
    background: rgba(88, 166, 255, 0.15);
    border-color: rgba(88, 166, 255, 0.3);
}

@keyframes slideIn {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

.btn-primary {
    background: linear-gradient(135deg, #58a6ff, #1f6feb) !important;
    color: white !important;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(88, 166, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1f6feb, #0969da) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(88, 166, 255, 0.4);
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    overflow: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(59,130,246,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.025em;
}

.highlight {
    background: linear-gradient(135deg, #60a5fa, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    border-radius: 2px;
    opacity: 0.6;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.65;
    margin-bottom: 1.75rem;
    opacity: 0.9;
    color: #8b949e;
    font-weight: 400;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-hero {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-hero:hover::before {
    left: 100%;
}

.btn-hero:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.5);
}

.btn-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s;
}

.btn-hero:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-demo {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1.25rem 2rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    backdrop-filter: blur(10px);
}

.btn-demo:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.hero-trust {
    font-size: 0.9rem;
    opacity: 0.8;
    text-align: center;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #fbbf24;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* IDE Preview */
.ide-preview {
    background: #0d1117;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(88, 166, 255, 0.1);
    border: 1px solid #30363d;
    transform: perspective(1000px) rotateY(-3deg) rotateX(3deg);
    transition: all 0.4s ease;
    position: relative;
    min-height: 400px;
}

.ide-preview:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
    box-shadow: 0 35px 70px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(88, 166, 255, 0.2);
}

.ide-header {
    background: #161b22;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid #30363d;
}

.ide-dots {
    display: flex;
    gap: 0.5rem;
}

.ide-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #6e7681;
}

.ide-dots span:nth-child(1) { background: #ff5f57; }
.ide-dots span:nth-child(2) { background: #ffbd2e; }
.ide-dots span:nth-child(3) { background: #28ca42; }

.ide-title {
    color: #f0f6fc;
    font-size: 0.875rem;
    font-weight: 600;
}

.ide-content {
    display: flex;
    height: 300px;
}

.ide-sidebar {
    width: 200px;
    background: #0d1117;
    border-right: 1px solid #30363d;
    padding: 1rem 0;
}

.file-item {
    padding: 0.5rem 1rem;
    color: #8b949e;
    font-size: 0.8rem;
    font-family: 'SF Mono', Consolas, monospace;
    cursor: pointer;
    transition: all 0.2s;
}

.file-item.active {
    background: #1f6feb;
    color: white;
}

.ide-editor {
    flex: 1;
    padding: 1rem;
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    background: #0d1117;
}

.code-line {
    margin-bottom: 0.25rem;
    min-height: 1.2em;
}

.keyword { color: #ff7b72; }
.function { color: #d2a8ff; }
.variable { color: #79c0ff; }
.string { color: #a5d6ff; }
.comment { color: #8b949e; }
.method { color: #d2a8ff; }
.template { color: #a5d6ff; }

.typing {
    position: relative;
}

.cursor {
    animation: blink 1s infinite;
    color: #58a6ff;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.ide-output {
    background: #161b22;
    border-top: 1px solid #30363d;
    padding: 1rem;
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 0.8rem;
}

.output-line {
    margin-bottom: 0.25rem;
    color: #8b949e;
}

.output-line.success {
    color: #7ee787;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #161b22;
}

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #f0f6fc;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #8b949e;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    border: 1px solid rgba(48, 54, 61, 0.5);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #58a6ff, #1f6feb);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(88, 166, 255, 0.3);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #f0f6fc;
}

.feature-card p {
    color: #8b949e;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.feature-highlight {
    display: inline-block;
    background: linear-gradient(90deg, #58a6ff, #1f6feb);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Courses Section */
.courses {
    padding: 80px 0;
}

.course-card.featured {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.2s;
}

.course-card.featured:hover {
    border-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.1);
}

.course-cta {
    background: #2563eb;
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
    transition: all 0.2s;
}

/* Learning Path Section */
.learning-path {
    padding: 100px 0;
    background: #0d1117;
}

.path-header {
    text-align: center;
    margin-bottom: 4rem;
}

.path-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.path-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #58a6ff, #1f6feb);
    transform: translateX(-50%);
}

.path-step {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.path-step:nth-child(even) {
    flex-direction: row-reverse;
}

.path-step:nth-child(even) .step-content {
    text-align: right;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #58a6ff, #1f6feb);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.3);
}

.path-step.active .step-number {
    background: linear-gradient(135deg, #58a6ff, #79c0ff);
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.4);
}

.step-content {
    flex: 1;
    padding: 0 2rem;
    max-width: 300px;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #f0f6fc;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: #8b949e;
    margin-bottom: 0.5rem;
}

.step-duration {
    font-size: 0.875rem;
    color: #58a6ff;
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(88,166,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.cta-icon {
    color: #7ee787;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn-cta-primary {
    background: #fbbf24;
    color: #1f2937;
    padding: 1.25rem 2.5rem;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

.btn-cta-primary:hover {
    background: #f59e0b;
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(251, 191, 36, 0.4);
}

.btn-cta-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1.25rem 2rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    backdrop-filter: blur(10px);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.cta-trust {
    font-size: 0.9rem;
    opacity: 0.7;
}

.course-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.2s;
}

.course-card:hover {
    border-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.1);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.course-icon {
    font-size: 2rem;
}

.course-level {
    background: #dbeafe;
    color: #2563eb;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.course-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.course-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.course-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: #64748b;
}

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

.btn-secondary {
    background: rgba(88, 166, 255, 0.1);
    color: #58a6ff;
    border: 1px solid rgba(88, 166, 255, 0.3);
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(88, 166, 255, 0.2);
    border-color: rgba(88, 166, 255, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.2);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Mobile Navigation */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #f0f6fc;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-links.mobile-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid rgba(48, 54, 61, 0.8);
    gap: 0.5rem;
}

.nav-links.mobile-open a {
    padding: 0.75rem;
    text-align: center;
    border-radius: 8px;
}

.nav-links.mobile-open a:not(.btn-primary):hover {
    background: rgba(48, 54, 61, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

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

    .nav-links {
        display: none;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .btn-hero, .btn-demo {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

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

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

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

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: #161b22;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 4rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(48, 54, 61, 0.5);
    transition: all 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(88, 166, 255, 0.3);
}

.testimonial-content {
    margin-bottom: 2rem;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #f0f6fc;
    font-style: italic;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-info h4 {
    color: #f0f6fc;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.author-info p {
    color: #8b949e;
    font-size: 0.875rem;
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e293b, #334155);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

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

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #fbbf24;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 600;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: #0d1117;
}

.faq-header {
    text-align: center;
    margin-bottom: 4rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    padding: 2rem;
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid rgba(48, 54, 61, 0.5);
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: rgba(88, 166, 255, 0.5);
    background: rgba(22, 27, 34, 0.9);
}

.faq-question {
    color: #f0f6fc;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.faq-answer {
    color: #8b949e;
    line-height: 1.7;
}

/* About Page Styles */
.about-hero, .pricing-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    text-align: center;
    position: relative;
}

.about-hero::before, .pricing-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(88,166,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
}

.about-hero-content, .pricing-hero-content {
    position: relative;
    z-index: 1;
}

.about-hero-content h1, .pricing-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 900;
    color: #f0f6fc;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.about-hero-content p, .pricing-hero-content p {
    font-size: 1.25rem;
    color: #8b949e;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.mission-section, .values-section, .team-section, .pricing-plans {
    padding: 100px 0;
}

.mission-section, .team-section, .pricing-plans {
    background: #161b22;
}

.values-section {
    background: #0d1117;
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.mission-content h2, .values-header h2, .team-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #f0f6fc;
    margin-bottom: 1.5rem;
}

.mission-content p {
    font-size: 1.125rem;
    color: #8b949e;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.mission-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.mission-stats .stat {
    text-align: center;
}

.mission-stats .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #58a6ff;
    margin-bottom: 0.5rem;
}

.mission-stats .stat-label {
    font-size: 0.875rem;
    color: #8b949e;
    font-weight: 500;
}

.code-block {
    background: #1e293b;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.code-header {
    background: #334155;
    padding: 1rem;
    display: flex;
    gap: 0.5rem;
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #f59e0b; }
.code-dot.green { background: #10b981; }

.code-content {
    padding: 1.5rem;
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.code-content .code-line {
    color: #e2e8f0;
}

.code-content .keyword { color: #8b5cf6; }
.code-content .variable { color: #60a5fa; }
.code-content .property { color: #34d399; }
.code-content .string { color: #fbbf24; }

.values-header, .team-header {
    text-align: center;
    margin-bottom: 4rem;
}

.values-header p, .team-header p {
    font-size: 1.125rem;
    color: #8b949e;
}

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

.value-card {
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(48, 54, 61, 0.5);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(88, 166, 255, 0.3);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f0f6fc;
    margin-bottom: 1rem;
}

.value-card p {
    color: #8b949e;
    line-height: 1.6;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.team-member {
    text-align: center;
    padding: 2rem;
}

.member-avatar {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.team-member h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.member-role {
    color: #3b82f6;
    font-weight: 600;
    margin-bottom: 1rem;
}

.member-bio {
    color: #64748b;
    line-height: 1.6;
}

/* Pricing Page Styles */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.plan-card {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.plan-card.featured {
    border-color: #3b82f6;
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-header {
    text-align: center;
    margin-bottom: 2rem;
}

.plan-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.plan-price {
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: #1e293b;
}

.period {
    color: #64748b;
    font-size: 1rem;
}

.plan-description {
    color: #64748b;
    line-height: 1.6;
}

.plan-features {
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.feature.disabled {
    opacity: 0.5;
}

.feature-icon {
    font-size: 1rem;
}

.btn-plan {
    display: block;
    width: 100%;
    padding: 1rem;
    background: #f1f5f9;
    color: #1e293b;
    text-align: center;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-plan.primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.btn-plan:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* Additional Responsive Styles */
@media (max-width: 768px) {
    .mission-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-hero-content h1,
    .pricing-hero-content h1 {
        font-size: 2.5rem;
    }

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

    .plan-card.featured {
        transform: none;
    }
}

/* Smooth scrolling and scroll offset for fixed navbar */
html {
    scroll-behavior: smooth;
}

section[id] {
    scroll-margin-top: 100px;
}