/*
COMM-101 Web Modification Lab Guide
This CSS is intentionally simple so students can inspect it later.
*/

:root {
    --primaryColor1: #0b2545;
    --primaryColor2: #102033;
    --accentColor1: #f26a21;
    --accentColor2: #ffb347;
    --backgroundColor: #f4f6f8;
    --surfaceColor: #ffffff;
    --textColor: #222222;
    --lightTextColor: #ffffff;
    --borderColor: #d9dee5;
    --dropShadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --headingFont: Arial, Helvetica, sans-serif;
    --bodyFont: Arial, Helvetica, sans-serif;
    --contentWidth: 1100px;
}

body {
    margin: 0;
    font-family: var(--bodyFont);
    color: var(--textColor);
    background-color: var(--backgroundColor);
    line-height: 1.6;
}

header {
    background-color: var(--primaryColor1);
    color: var(--lightTextColor);
    padding: 28px 20px;
}

.header-inner {
    max-width: var(--contentWidth);
    margin: 0 auto;
}

header h1 {
    margin: 0;
    font-size: 34px;
}

header p {
    margin: 8px 0 0 0;
    color: var(--accentColor2);
    font-weight: bold;
}

nav {
    background-color: var(--accentColor1);
    padding: 12px 20px;
}

.nav-inner {
    max-width: var(--contentWidth);
    margin: 0 auto;
}

nav a {
    color: var(--lightTextColor);
    text-decoration: none;
    font-weight: bold;
    margin-right: 18px;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: var(--contentWidth);
    margin: 0 auto;
    padding: 30px 20px;
}

.hero,
.card,
.task-card,
.reference-box {
    background-color: var(--surfaceColor);
    border-radius: 14px;
    box-shadow: var(--dropShadow);
    padding: 24px;
    margin-bottom: 24px;
}

.hero {
    border-left: 10px solid var(--accentColor1);
}

.hero h2,
.card h2,
.task-card h2 {
    margin-top: 0;
    color: var(--primaryColor1);
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.task-card {
    border-top: 6px solid var(--accentColor1);
}

.task-card h3 {
    margin-top: 0;
}

.code-label {
    font-weight: bold;
    margin-bottom: 4px;
}

pre {
    background-color: #1f2937;
    color: #ffffff;
    padding: 16px;
    border-radius: 10px;
    overflow-x: auto;
}

code {
    font-family: "Courier New", Courier, monospace;
}

.checklist li {
    margin-bottom: 8px;
}

.button {
    display: inline-block;
    background-color: var(--primaryColor1);
    color: var(--lightTextColor);
    text-decoration: none;
    font-weight: bold;
    padding: 12px 18px;
    border-radius: 8px;
}

.button:hover {
    background-color: var(--accentColor1);
}

.next-row {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
}

footer {
    text-align: center;
    background-color: var(--primaryColor1);
    color: var(--lightTextColor);
    padding: 18px;
    margin-top: 30px;
}

.small-note {
    font-size: 0.95rem;
    color: #555555;
}

@media (max-width: 800px) {
    .grid,
    .two-column {
        grid-template-columns: 1fr;
    }

    nav a {
        display: block;
        margin: 8px 0;
    }

    .next-row {
        display: block;
    }

    .next-row a {
        margin-bottom: 10px;
    }
}