:root {
    --bg-primary: #0a0e14;
    --bg-secondary: #111820;
    --bg-card: #151c26;
    --text-primary: #e6edf3;
    --text-secondary: #8b9cad;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-muted: rgba(59, 130, 246, 0.15);
    --success: #22c55e;
    --border: rgba(139, 156, 173, 0.15);
    --radius: 12px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 14, 20, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    color: var(--accent);
    font-size: 1.5rem;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.header-actions {
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--accent-muted);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    min-height: 100vh;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--accent-muted);
    color: var(--accent);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

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

/* Dashboard preview */
.dashboard-preview {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.preview-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-secondary);
    opacity: 0.6;
}

.preview-dot:nth-child(1) { background: #ef4444; }
.preview-dot:nth-child(2) { background: #f59e0b; }
.preview-dot:nth-child(3) { background: #22c55e; }

.preview-title {
    margin-left: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.preview-content {
    padding: 24px;
}

.preview-chart {
    height: 180px;
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.2) 0%, transparent 100%);
    border-radius: 8px;
    margin-bottom: 20px;
}

.preview-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.metric-card {
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.metric-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    font-weight: 600;
}

/* Features */
.features {
    padding: 100px 0;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.2s;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.feature-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

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

/* Pricing */
.pricing {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

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

.toggle-label.active {
    color: var(--text-primary);
}

.badge {
    background: var(--success);
    color: var(--bg-primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-left: 4px;
}

.toggle {
    width: 52px;
    height: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    cursor: pointer;
    position: relative;
}

.toggle-slider {
    position: absolute;
    left: 4px;
    top: 4px;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    transition: transform 0.2s;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pricing-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    transition: all 0.2s;
}

.pricing-card:hover {
    border-color: rgba(139, 156, 173, 0.3);
}

.pricing-card.featured {
    border-color: var(--accent);
    transform: scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.pricing-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.price {
    margin-bottom: 24px;
}

.price-value {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.price-currency {
    font-size: 1.25rem;
    margin-left: 4px;
}

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

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* CTA */
.cta {
    padding: 100px 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--accent-muted), rgba(139, 92, 246, 0.1));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 60px;
    text-align: center;
}

.cta-box h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.cta-box p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.cta-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
}

.cta-input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
}

.cta-input::placeholder {
    color: var(--text-secondary);
}

.cta-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Support */
.support {
    padding: 100px 0;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.support-card {
    display: block;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.support-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.support-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 16px;
}

.support-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.support-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
.footer {
    padding: 48px 0 24px;
    border-top: 1px solid var(--border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-links {
    display: flex;
    gap: 24px;
}

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

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

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 420px;
    width: 100%;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

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

.modal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.modal-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.modal-content form input {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
}

.modal-content form input:focus {
    outline: none;
    border-color: var(--accent);
}

.modal-content form button {
    margin-top: 8px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    background: var(--success);
    color: var(--bg-primary);
    border-radius: 8px;
    font-weight: 600;
    z-index: 300;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

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

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

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

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

    .nav {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .cta-form {
        flex-direction: column;
    }

    .header-actions .btn-ghost {
        display: none;
    }
}