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

:root {
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #141414;
    --color-bg-tertiary: #1a1a1a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-tertiary: #666666;
    --color-accent: #ffffff;
    --color-border: #2a2a2a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
}

/* Header */
header {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--color-text-primary);
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

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

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.2s ease;
}

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

.cta-button {
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    display: inline-block;
}

.cta-button:hover {
    background: var(--color-text-secondary);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    padding: 160px 0 160px;
    margin-top: 80px;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 2rem;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--color-text-primary);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.screenshot-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 35px 70px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.screenshot {
    width: 100%;
    height: auto;
    display: block;
}

.primary-button {
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
    padding: 1.1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
    display: inline-block;
}

.primary-button:hover {
    background: var(--color-text-secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
}

.secondary-button {
    background: transparent;
    color: var(--color-text-primary);
    padding: 1.1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
    display: inline-block;
}

.secondary-button:hover {
    border-color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* About Section */
.about {
    padding: 140px 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.about-intro {
    margin-bottom: 5rem;
}

.intro-text {
    font-size: 1.75rem;
    line-height: 1.5;
    color: var(--color-text-primary);
    max-width: 950px;
    font-weight: 400;
    letter-spacing: -0.01em;
}

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

.about-item h3 {
    color: var(--color-text-primary);
    font-size: 1.35rem;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.about-item p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-weight: 400;
    font-size: 1.05rem;
}

/* Capabilities Section */
.capabilities {
    padding: 140px 0;
    background: var(--color-bg-secondary);
}

.capabilities h2 {
    font-size: 3rem;
    margin-bottom: 5rem;
    color: var(--color-text-primary);
    font-weight: 600;
    letter-spacing: -0.03em;
}

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

.capability-card {
    background: var(--color-bg-primary);
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.capability-card:hover {
    border-color: var(--color-text-tertiary);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.capability-icon {
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.capability-card h3 {
    color: var(--color-text-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.capability-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-weight: 400;
    font-size: 1.05rem;
}

/* How It Works Section */
.how-it-works {
    padding: 140px 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.how-it-works h2 {
    font-size: 3rem;
    margin-bottom: 5rem;
    color: var(--color-text-primary);
    font-weight: 600;
    letter-spacing: -0.03em;
}

.process-flow {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    max-width: 1000px;
}

.process-item {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.process-number {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    flex-shrink: 0;
    border: 1px solid var(--color-border);
}

.process-content {
    flex: 1;
    padding-top: 0.5rem;
}

.process-content h3 {
    color: var(--color-text-primary);
    font-size: 1.75rem;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.process-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-weight: 400;
    font-size: 1.1rem;
}

/* CTA Section */
.cta-section {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    padding: 140px 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.cta-section p {
    font-size: 1.35rem;
    margin-bottom: 3rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    line-height: 1.6;
}

/* Footer */
footer {
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
    padding: 4rem 0 3rem;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    display: block;
}

.footer-brand p {
    color: var(--color-text-tertiary);
    font-size: 0.95rem;
    font-weight: 400;
}

.footer-links {
    display: flex;
    gap: 2.5rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
    text-align: center;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 0 40px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .screenshot-container {
        max-width: 500px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .nav-link {
        display: none;
    }

    .hero {
        padding: 120px 0 120px;
        min-height: auto;
    }

    .hero-grid {
        gap: 3rem;
    }

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

    .hero p {
        font-size: 1.15rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .primary-button,
    .secondary-button {
        width: 100%;
        text-align: center;
    }

    .screenshot-container {
        max-width: 100%;
    }

    .intro-text {
        font-size: 1.35rem;
    }

    .about,
    .capabilities,
    .how-it-works,
    .cta-section {
        padding: 100px 0;
    }

    .capabilities h2,
    .how-it-works h2,
    .cta-section h2 {
        font-size: 2.25rem;
        margin-bottom: 3rem;
    }

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

    .capability-card {
        padding: 2rem;
    }

    .process-item {
        flex-direction: column;
        gap: 1.5rem;
    }

    .process-number {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

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