/* Transparency Cascade Press - Dark Theme (matches capturecascade.org) */

:root {
    --color-bg: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-text: #e5e7eb;
    --color-text-muted: #cbd5e1;
    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-border: #334155;
    --color-code-bg: #1e293b;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
    --max-width: 800px;
    --spacing: 1.5rem;
    --transition: 0.2s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 18px;
    line-height: 1.6;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
}

/* Layout */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing);
}

/* Header */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition);
}

.site-title:hover {
    color: var(--color-accent);
}

.site-nav {
    display: flex;
    gap: 1.5rem;
}

.site-nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

/* Main content */
.site-main {
    min-height: calc(100vh - 200px);
    padding: calc(var(--spacing) * 2) 0 calc(var(--spacing) * 3);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-top: calc(var(--spacing) * 2);
    margin-bottom: var(--spacing);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

h1:first-child,
h2:first-child {
    margin-top: 0;
}

p {
    margin: 0 0 var(--spacing);
    color: var(--color-text-muted);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin: 0 0 var(--spacing);
    padding-left: 1.5rem;
    color: var(--color-text-muted);
}

li {
    margin-bottom: 0.5rem;
}

/* Horizontal rules */
hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: calc(var(--spacing) * 2) 0;
}

/* Code */
code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--color-code-bg);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    color: var(--color-accent-hover);
}

pre {
    background: var(--color-code-bg);
    padding: var(--spacing);
    overflow-x: auto;
    border-radius: 6px;
    margin: 0 0 var(--spacing);
    border: 1px solid var(--color-border);
}

pre code {
    padding: 0;
    background: none;
}

/* Blockquotes */
blockquote {
    margin: 0 0 var(--spacing);
    padding-left: var(--spacing);
    border-left: 3px solid var(--color-accent);
    color: var(--color-text-muted);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 var(--spacing);
}

th, td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

th {
    font-weight: 600;
    color: var(--color-text);
}

td {
    color: var(--color-text-muted);
}

/* Cards / Boxes */
.subscribe-box,
.card {
    background: var(--color-bg-secondary);
    padding: var(--spacing);
    border-radius: 8px;
    margin: calc(var(--spacing) * 2) 0;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition);
}

.subscribe-box:hover,
.card:hover {
    border-color: var(--color-accent);
}

.subscribe-box h3,
.card h3 {
    margin-top: 0;
}

/* Page styles */
.page-header {
    margin-bottom: calc(var(--spacing) * 2);
}

.page-content {
    /* Content styles inherited */
}

/* Home page */
.home-content h1 {
    font-size: 2.5rem;
    margin-bottom: calc(var(--spacing) * 0.5);
    color: var(--color-text);
}

.home-content > p:first-of-type {
    font-size: 1.15rem;
    color: var(--color-text-muted);
}

/* Feature sections */
.features {
    display: grid;
    gap: var(--spacing);
    margin: calc(var(--spacing) * 2) 0;
}

.feature {
    background: var(--color-bg-secondary);
    padding: var(--spacing);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition);
}

.feature:hover {
    border-color: var(--color-accent);
}

.feature h3 {
    margin-top: 0;
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: white;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition);
}

.btn:hover {
    background: var(--color-accent-hover);
    text-decoration: none;
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: white;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: calc(var(--spacing) * 2) 0;
    margin-top: calc(var(--spacing) * 2);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.site-footer p {
    margin: 0 0 0.5rem;
}

.site-footer a {
    color: var(--color-text-muted);
}

.site-footer a:hover {
    color: var(--color-accent);
}

/* Responsive */
@media (max-width: 600px) {
    html {
        font-size: 16px;
    }

    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .home-content h1 {
        font-size: 2rem;
    }
}

/* No light mode - always dark to match capturecascade.org */