:root {
    --bg: #0a0a0a;
    --fg: #e0e0e0;
    --accent: #4ec9b0;
    --dim: #666;
    --card-bg: #141414;
    --border: #222;
    --quote-border: #4ec9b044;
}

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

body {
    font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Navigation */
nav {
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    margin-bottom: 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

nav .nav-brand {
    color: var(--accent);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    margin-right: auto;
}

nav a {
    color: var(--dim);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

nav a:hover,
nav a.active {
    color: var(--accent);
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

.spore-art {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

h1 {
    font-size: 2rem;
    font-weight: 400;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.tagline {
    color: var(--dim);
    font-size: 0.9rem;
}

.version-badge {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--accent);
    border-radius: 3px;
    color: var(--accent);
    font-size: 0.85rem;
}

/* Headings */
h2 {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--accent);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--fg);
    margin: 2rem 0 0.75rem;
}

/* Paragraphs & text */
p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.05rem;
    color: var(--fg);
    margin-bottom: 1.5rem;
}

.dim {
    color: var(--dim);
}

/* Blockquotes */
blockquote {
    border-left: 3px solid var(--quote-border);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--dim);
    font-style: italic;
    background: var(--card-bg);
    border-radius: 0 4px 4px 0;
}

blockquote p:last-child {
    margin-bottom: 0;
}

/* Cards */
.card {
    padding: 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-bottom: 1rem;
}

.card h3 {
    margin-top: 0;
    color: var(--accent);
    font-size: 0.95rem;
}

.card p:last-child {
    margin-bottom: 0;
}

/* Downloads */
.downloads {
    display: grid;
    gap: 0.75rem;
}

.download-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    color: var(--fg);
    transition: border-color 0.2s;
    cursor: default;
    opacity: 0.5;
}

.download-card.available {
    cursor: pointer;
    opacity: 1;
}

.download-card.available:hover {
    border-color: var(--accent);
}

.platform-name {
    font-size: 0.95rem;
}

.platform-arch {
    color: var(--dim);
    font-size: 0.8rem;
}

.download-arrow {
    color: var(--accent);
    font-size: 1.2rem;
}

.coming-soon-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border: 1px solid var(--dim);
    border-radius: 3px;
    color: var(--dim);
    font-size: 0.75rem;
}

/* Steps */
.steps {
    list-style: none;
    counter-reset: step;
}

.steps li {
    counter-increment: step;
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
}

.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Code & terminal */
code {
    background: var(--card-bg);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
}

.terminal {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.25rem;
    margin: 1rem 0;
    overflow-x: auto;
}

.terminal .prompt {
    color: var(--accent);
}

.terminal .cmd {
    color: var(--fg);
}

.terminal .output {
    color: var(--dim);
}

/* Lists */
ul.spaced li,
ol.spaced li {
    margin-bottom: 0.75rem;
}

ul.clean {
    list-style: none;
    padding-left: 0;
}

ul.clean li {
    padding: 0.35rem 0;
    padding-left: 1.25rem;
    position: relative;
}

ul.clean li::before {
    content: "\2192";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

th, td {
    padding: 0.6rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--accent);
    font-weight: 400;
    font-size: 0.85rem;
}

/* Philosophy sections */
.philosophy {
    color: var(--dim);
    font-size: 0.85rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.philosophy p {
    margin-bottom: 0.75rem;
}

/* Separator */
.section-break {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2.5rem 0;
}

/* Links */
a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.links {
    margin-top: 2rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.links a {
    font-size: 0.9rem;
}

/* Footer */
footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--dim);
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}