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

:root {
    --bg-primary: #000000;
    --bg-secondary: #1a1a1a;
    --accent: #00D4FF;
    --text-primary: #ffffff;
    --text-secondary: #888888;
}

html {
    scroll-behavior: smooth;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

.logo-icon {
    width: 32px;
    height: 32px;
}

.nav-cta {
    padding: 0.6rem 1.5rem;
    background: var(--accent);
    color: var(--bg-primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--accent);
    color: var(--bg-primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.4);
}

.apple-icon {
    width: 20px;
    height: 20px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.iphone-frame {
    position: relative;
    width: 280px;
    padding: 10px;
    background: linear-gradient(145deg, #2a2a2a 0%, #1a1a1a 50%, #0a0a0a 100%);
    border-radius: 50px;
    box-shadow:
        0 50px 100px -20px rgba(0, 0, 0, 0.8),
        0 30px 60px -30px rgba(0, 0, 0, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.05);
}

.iphone-frame::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 26px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}

.iphone-screen {
    position: relative;
    border-radius: 40px;
    overflow: hidden;
    background: #000;
}

.iphone-screen img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 40px;
}

.features {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    margin-bottom: 8rem;
}

.feature-reverse {
    flex-direction: row-reverse;
}

.feature-content {
    flex: 1;
    max-width: 450px;
}

.feature-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

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

.feature-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.cta-section {
    text-align: center;
    padding: 8rem 2rem;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.05) 100%);
}

.cta-section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.cta-large {
    font-size: 1.1rem;
    padding: 1.25rem 2.5rem;
}

.footer {
    padding: 4rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

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

@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 7rem;
        gap: 3rem;
    }

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

    .feature {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .feature-reverse {
        flex-direction: column;
    }

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

    .iphone-frame {
        width: 260px;
    }
}

@media (max-width: 600px) {
    .navbar {
        padding: 1rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .nav-cta {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .hero {
        padding-top: 6rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }

    .iphone-frame {
        width: 240px;
    }

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