:root {
    --bg-color: #f2f2f2;
    --text-primary: #1a1a1a;
    --text-secondary: #535353;
    --accent-color: #535353;
    --card-bg: rgba(255, 255, 255, 0.8);
    --container-width: 1100px;
}

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    padding: 1rem 0;
    position: sticky;
    top: 0;
    background: var(--bg-color);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.5rem;
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 1001; /* Above nav-menu */
    transition: background-color 0.3s;
}

.nav-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.hamburger {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}


.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s;
}

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px; /* Offset to keep header/hamburger visible */
        right: -100%;
        width: 280px;
        height: calc(100vh - 72px);

        background-color: var(--bg-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: right 0.4s cubic-bezier(0.8, 0, 0.2, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
        z-index: 1000;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.5rem;
        font-weight: 700;
    }
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    text-align: left;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 4rem;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.store-badge {
    background: #000;
    color: #fff;
    padding: 0.8rem 1.8rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s, background 0.2s;
    width: fit-content;
}

.store-badge:hover {
    transform: scale(1.02);
    background: #222;
}

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

.main-screenshot {
    max-width: 100%;
    height: auto;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

@media (max-width: 992px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        text-align: center;
    }
    
    .hero-image {
        justify-content: center;
    }

    .hero-content {
        order: 1;
    }
    
    .hero-image {
        order: 2;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .screenshot-item img {
        height: 350px;
    }
}


/* Features */
.features {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.4);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
}

/* Screenshot Slider */
.screenshots {
    padding: 6rem 0;
}

.screenshots-row {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding: 2rem 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    cursor: grab;
}

.screenshots-row::-webkit-scrollbar {
    display: none;
}

.screenshot-item img {
    height: 500px;
    border-radius: 30px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--bg-color);
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    list-style: none;
    flex-wrap: wrap;
}

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

.footer-copy {
    color: #999;
    font-size: 0.8rem;
}

/* Badges */
.badge-beta {
    background: #e2e8f0;
    color: #475569;
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
    vertical-align: middle;
}