/* Modern Dark Theme */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #0f1115;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #4DAAF9;
    --accent-glow: rgba(77, 170, 249, 0.3);
    --border: #333;
    --card-bg: #16181c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    background: linear-gradient(to right, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

/* Header */
header {
    padding: 2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Hero Section */
/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding-top: 120px;
    /* Clear fixed header */
    padding-bottom: 4rem;
}

.hero-content {
    z-index: 2;
    max-width: 800px;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
}

.hero-tags {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--accent);
}

/* Features Grid */
.features {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
}

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

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

/* Showcase/Visuals */
.showcase {
    padding: 6rem 0;
    text-align: center;
}

.mockup {
    background: #1A1A1A;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    margin-top: 3rem;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

/* Decoration */
.blob {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(77, 170, 249, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

/* Footer */
footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Download Section */
.download-section {
    padding: 6rem 0;
    text-align: center;
    background: radial-gradient(circle at center, #16202a 0%, #0a0a0a 100%);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero {
        height: auto;
        padding: 8rem 0;
    }
}