:root {
    --void-black: #0f1115;
    --chalk-white: #f4f4f0;
    --kinematic-red: #e63946;
    --optimal-blue: #457b9d;
    --steel-gray: #343a40;
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Chivo', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --spacing-1: 0.5rem;
    --spacing-2: 1rem;
    --spacing-3: 2rem;
    --spacing-4: 4rem;
}

@font-face { font-family: 'Oswald'; src: url('/assets/fonts/oswald-latin-400-normal.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Oswald'; src: url('/assets/fonts/oswald-latin-700-normal.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Chivo'; src: url('/assets/fonts/chivo-latin-400-normal.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Chivo'; src: url('/assets/fonts/chivo-latin-400-italic.woff2') format('woff2'); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: 'Chivo'; src: url('/assets/fonts/chivo-latin-700-normal.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url('/assets/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-body); background-color: var(--chalk-white); color: var(--void-black); line-height: 1.6; }
h1, h2, h3, h4 { font-family: var(--font-display); text-transform: uppercase; margin-top: 0; }
h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: var(--spacing-2); }
h2 { font-size: 2.5rem; margin-top: var(--spacing-4); margin-bottom: var(--spacing-2); border-bottom: 2px solid var(--void-black); padding-bottom: 0.5rem; }
h3 { font-size: 1.5rem; margin-top: var(--spacing-3); color: var(--optimal-blue); }
p { margin-bottom: var(--spacing-2); }
a { color: var(--kinematic-red); text-decoration: none; font-weight: 700; }
a:hover { text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-2); }
header { background: var(--void-black); color: var(--chalk-white); padding: var(--spacing-2) 0; }
header a { color: var(--chalk-white); text-decoration: none; }
header .logo { font-family: var(--font-display); font-size: 2rem; font-weight: 700; letter-spacing: 1px; color: var(--kinematic-red); }
nav { display: flex; justify-content: space-between; align-items: center; }
nav ul { list-style: none; display: flex; gap: var(--spacing-3); margin: 0; padding: 0; }
nav ul a { font-family: var(--font-mono); font-size: 0.9rem; text-transform: uppercase; }
nav ul a.active { color: var(--kinematic-red); border-bottom: 2px solid var(--kinematic-red); padding-bottom: 2px;}

main { padding: var(--spacing-4) 0; min-height: 70vh; }
.content-grid { display: grid; grid-template-columns: 1fr; gap: var(--spacing-3); }
@media(min-width: 768px) { .content-grid { grid-template-columns: 2fr 1fr; } }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--spacing-2); }
@media(min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--spacing-2); }
@media(min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.card { border: 2px solid var(--void-black); padding: var(--spacing-2); background: #fff; }
.btn-primary, .btn { display: inline-block; background: var(--kinematic-red); color: var(--chalk-white) !important; padding: 0.75rem 1.5rem; font-family: var(--font-mono); text-transform: uppercase; border: none; cursor: pointer; font-weight: 700; }
.btn-primary:hover, .btn:hover { background: var(--void-black); text-decoration: none; }

.data-table { width: 100%; border-collapse: collapse; margin-bottom: var(--spacing-2); font-family: var(--font-mono); font-size: 0.9rem; }
.data-table th, .data-table td { border: 1px solid var(--steel-gray); padding: 0.5rem; text-align: left; }
.data-table th { background: var(--void-black); color: var(--chalk-white); }
.callout { background: var(--steel-gray); color: var(--chalk-white); padding: var(--spacing-2); border-left: 4px solid var(--kinematic-red); font-family: var(--font-mono); }
.citation { font-size: 0.8rem; color: var(--steel-gray); font-family: var(--font-mono); }

.tool-container { border: 2px solid var(--optimal-blue); padding: var(--spacing-3); background: #fff; margin-bottom: var(--spacing-3); }
.form-group { margin-bottom: var(--spacing-2); }
.form-group label { display: block; font-weight: 700; margin-bottom: 0.5rem; font-family: var(--font-mono); font-size: 0.9rem; }
.form-group input, .form-group select { width: 100%; padding: 0.75rem; border: 1px solid var(--steel-gray); font-family: var(--font-mono); font-size: 1rem; }
.result-box { margin-top: var(--spacing-2); padding: var(--spacing-2); background: var(--void-black); color: var(--chalk-white); font-family: var(--font-mono); font-size: 1.2rem; }
.result-box span { color: var(--kinematic-red); font-weight: 700; }

.hero-section { border-bottom: 4px solid var(--void-black); padding-bottom: var(--spacing-4); margin-bottom: var(--spacing-4); display: flex; flex-direction: column; gap: var(--spacing-3); }
@media(min-width: 768px) { .hero-section { flex-direction: row; align-items: center; } .hero-content { flex: 1; } .hero-graphic { flex: 1; display: flex; justify-content: center; } }
.manifesto-section { border-bottom: 2px solid var(--void-black); padding-bottom: var(--spacing-4); margin-bottom: var(--spacing-4); }
.stat-block { display: flex; flex-direction: column; justify-content: center; align-items: center; background: var(--void-black); color: var(--chalk-white); padding: var(--spacing-3); text-align: center; }
.stat-big { font-family: var(--font-display); font-size: 5rem; line-height: 1; color: var(--kinematic-red); }
.stat-label { font-family: var(--font-mono); text-transform: uppercase; margin-top: var(--spacing-1); }

.bg-dark { background-color: var(--void-black); }
.text-light { color: var(--chalk-white); }
.text-light h2 { border-bottom-color: var(--chalk-white); }
.tools-preview-section { padding: var(--spacing-4) var(--spacing-2); margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%); margin-bottom: var(--spacing-4); }
.tool-list { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr; gap: var(--spacing-2); }
@media(min-width: 768px) { .tool-list { grid-template-columns: 1fr 1fr; } }
.tool-list a { display: block; border: 1px solid var(--steel-gray); padding: var(--spacing-2); color: var(--chalk-white); font-family: var(--font-mono); }
.tool-list a:hover { border-color: var(--kinematic-red); background: rgba(230, 57, 70, 0.1); }

.archive-list { display: flex; flex-direction: column; gap: 0; border-top: 2px solid var(--void-black); }
.archive-link { display: block; padding: var(--spacing-2) 0; border-bottom: 1px solid var(--steel-gray); color: var(--void-black); font-size: 1.2rem; display: flex; justify-content: space-between; align-items: center; }
.archive-link::after { content: '→'; font-family: var(--font-mono); color: var(--kinematic-red); }
.archive-link:hover { padding-left: 10px; transition: padding 0.2s ease; background: #fff; }

footer { background: var(--void-black); color: var(--steel-gray); padding: var(--spacing-3) 0; text-align: center; border-top: 4px solid var(--kinematic-red); font-family: var(--font-mono); font-size: 0.9rem; margin-top: auto;}
footer a { color: var(--chalk-white); }
.mt-4 { margin-top: var(--spacing-4); }
.text-sm { font-size: 0.85rem; }
.error { color: var(--kinematic-red); font-weight: bold; }