:root {
    --primary-color: #264653;
    --accent-color: #38bdf8;
    --text-muted: #94a3b8;
    --bg-light: #f8fafc;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--primary-color);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(180deg, #264653 0%, #151e27 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-text {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

/* Custom Card Styling */
.feature-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 2rem;
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.icon-box {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background-color: var(--primary-color);
    color: white;
    margin-bottom: 1.5rem;
}

.icon-box svg {
    width: 32px;
    height: 32px;
}

/* App Mockup Placeholder */
.app-mockup {
    background: #0f172a;
    border: 8px solid #334155;
    border-radius: 2rem;
    aspect-ratio: 9/19;
    width: 300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
}

.mockup-content {
    color: white;
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: #94a3b8;
    padding: 4rem 0 2rem;
}

footer a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: white;
}