/* Base Styles & Dark "Nebula" Theme */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #0b0c10; /* Very dark background */
    color: #c5c6c7; /* Light text */
    line-height: 1.6;
}

h1, h2 {
    color: #66fcf1; /* Nebula-like cyan/teal accent */
    margin-bottom: 0.5rem;
}

/* Layout Elements */
.hero {
    text-align: center;
    padding: 4rem 1rem 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin: 0;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 1.2rem;
    color: #45a29e; /* Muted teal accent */
    margin-top: 0;
}

/* Screenshot Section - Centered using Flexbox */
.screenshot-section {
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
}

.screenshot-placeholder {
    max-width: 900px;
    width: 100%;
}

.screenshot {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid #1f2833;
    display: block;
}

/* Lighthouse Scores Section */
.lighthouse-section {
    padding: 4rem 1rem;
    text-align: center;
}

.lighthouse-section h2 {
    margin-bottom: 2rem;
    color: #e0e2e4;
}

.scores-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
}

.score-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Score Circle Styling - Using simple border/radius */
.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 2.5rem;
    font-weight: bold;
    background-color: #1f2833;
}

/* 100 scores usually get a green color in Lighthouse */
.score-perfect {
    border: 6px solid #0cce6b;
    color: #0cce6b;
}

/* 90-99 scores are also green, but we can keep it the same or adjust */
.score-good {
    border: 6px solid #0cce6b;
    color: #0cce6b;
}

.score-label {
    font-size: 1.1rem;
    margin: 0;
    font-weight: 500;
}