:root {
    --bg-color: #0a0a0a;
    --text-color: #e0e0e0;
    --accent-color: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', sans-serif;
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

ul {
    list-style: none;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    font-weight: 500;
    font-size: 0.95rem;
    color: #a0a0a0;
}

nav a:hover {
    color: #fff;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: #fff;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.4;
    z-index: -1;
    filter: blur(60px);
}

.hero-content {
    max-width: 800px;
    z-index: 1;
}

.hero-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(to right, #fff, #a0a0a0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: #a0a0a0;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--card-border);
    margin-left: 1rem;
}

.btn-secondary:hover {
    background: var(--card-bg);
    box-shadow: none;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 16px;
    transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.feature-card p {
    color: #a0a0a0;
}

/* Screenshots Section */
.screenshots {
    padding: 6rem 2rem;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.02));
    /* overflow: hidden; Removed to prevent clipping on mobile */
}

.screenshots-container {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 2rem 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    /* Smooth scrolling on iOS */
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
}

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

.screenshot-item {
    flex: 0 0 auto;
    width: 300px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: transform var(--transition-speed);
}

.screenshot-item:hover {
    transform: scale(1.05);
}

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

/* CTA Section */
.cta {
    padding: 8rem 2rem;
    text-align: center;
    position: relative;
}

.cta h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    font-weight: 800;
}

/* Footer */
footer {
    padding: 4rem 2rem;
    border-top: 1px solid var(--card-border);
    text-align: center;
    color: #666;
}

footer a {
    color: #888;
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-color);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--card-border);
        transform: translateY(-150%);
        transition: transform 0.3s ease-in-out;
    }

    nav.active {
        transform: translateY(0);
    }

    .menu-toggle {
        display: flex;
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 1rem;
        display: block;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .screenshots {
        padding-left: 0;
        padding-right: 0;
    }

    .screenshots-container {
        width: 100%;
        padding-left: 2rem;
        padding-right: 2rem;
    }
}