@import url('https://fonts.googleapis.com/css2?family=Product+Sans:wght@400;500;700&display=swap');

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

:root {
    font-family: 'Product Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --dark-bg: #1a1a1a;
    --darker-bg: #0f0f0f;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent: #ffffff;
    --accent-hover: #e0e0e0;
    --purple: #a855f7;
    --purple-light: #c084fc;
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    color: var(--text-primary);
    line-height: 1.2;
    min-height: 100vh;
}

/* Navigation Header */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
}

.download-btn {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: var(--accent);
    color: var(--dark-bg);
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    min-height: 100vh;
    gap: 3rem;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(3.5rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 0.95;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    max-width: 800px;
}

.gradient-text {
    background: linear-gradient(90deg, #ffffff 0%, #808080 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 500px;
    line-height: 1.5;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.hero-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(255, 255, 255, 0.1);
}

/* Content Sections */
.content-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 6rem 0;
    min-height: 100vh;
}

.content-section.reverse {
    grid-template-columns: 1fr 1fr;
    direction: rtl;
}

.content-section.reverse > * {
    direction: ltr;
}

.text-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.section-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.5;
    max-width: 500px;
}

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

.image-content img {
    width: 100%;
    max-width: 450px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(255, 255, 255, 0.1);
}

/* CTA Section */
.cta-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 6rem 0;
    min-height: 60vh;
    gap: 2rem;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.cta-btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ios-btn,
.primary-btn {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
}

.ios-btn:hover,
.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* Footer */
.footer {
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    margin-top: 4rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-container {
        padding: 1rem 1.5rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .download-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    main {
        padding: 0 1.5rem;
    }

    .hero,
    .content-section {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 3rem 0;
        min-height: auto;
    }

    .content-section.reverse {
        direction: ltr;
    }

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

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

    .section-title {
        font-size: 1.5rem;
    }

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

    .cta-section {
        padding: 3rem 0;
        min-height: auto;
    }

    .cta-title {
        font-size: 1.75rem;
    }

    .cta-btn {
        padding: 0.75rem 2rem;
        font-size: 0.9rem;
    }
}