:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--text-main);
}

/* Hero */
.hero {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 80px 0;
    gap: 40px;
}

.hero-content {
    flex: 1;
    min-width: 300px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 500px;
}

.btn-download {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-download:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-download.android {
    background-color: #3ddc84;
    color: #0f172a;
    margin-left: 10px;
    /* Spacing between buttons */
    box-shadow: 0 4px 14px 0 rgba(61, 220, 132, 0.39);
}

.btn-download.android:hover {
    background-color: #35c073;
}

.small {
    display: block;
    margin-top: 10px;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Mockup CSS art */
.hero-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.app-mockup {
    background: var(--bg-card);
    width: 100%;
    max-width: 450px;
    height: 300px;
    border-radius: 12px;
    border: 1px solid #334155;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mockup-header {
    background: #020617;
    padding: 10px 15px;
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.red {
    background: #ef4444;
}

.yellow {
    background: #eab308;
}

.green {
    background: #22c55e;
}

.mockup-body {
    flex: 1;
    display: flex;
}

.mockup-sidebar {
    width: 80px;
    background: #1e293b;
    border-right: 1px solid #334155;
}

.mockup-content {
    flex: 1;
    padding: 20px;
    background: #0f172a;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mockup-row {
    height: 12px;
    background: #334155;
    border-radius: 4px;
    width: 100%;
}

.mockup-row:nth-child(2) {
    width: 70%;
}

.mockup-row:nth-child(3) {
    width: 40%;
}


/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 60px 0;
    border-top: 1px solid #334155;
}

.feature-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 12px;
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    margin-bottom: 10px;
    color: #60a5fa;
}

.feature-card p {
    color: var(--text-muted);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
}