:root {
    --bg: #070707;
    --surface: #0e0e0e;
    --border: #1c1c1c;
    --border-mid: #282828;
    --amber: #e89a0a;
    --text: #ede8dc;
    --text-dim: #8a857c;
    --text-muted: #474340;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Azeret Mono', monospace;
    font-weight: 300;
    line-height: 1.75;
    min-height: 100vh;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    opacity: 0.035;
    pointer-events: none;
    z-index: 999;
}

/* ─── HEADER ─── */
header {
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.header-logo {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 900;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text);
    text-decoration: none;
}

.header-logo span {
    color: var(--amber);
}

.header-back {
    font-size: 0.62rem;
    color: var(--text-muted);
    text-decoration: none;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.18s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.header-back:hover {
    color: var(--amber);
}

/* ─── HERO ─── */
.doc-hero {
    padding: 5rem 2rem 3rem;
    max-width: 720px;
    margin: 0 auto;
    border-bottom: 1px solid var(--border);
}

.doc-eyebrow {
    font-size: 0.6rem;
    letter-spacing: 0.4em;
    color: var(--amber);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.doc-title {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 900;
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 0.9;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 2rem;
}

.doc-meta {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

/* ─── SUMMARY CARD ─── */
.summary-card {
    max-width: 720px;
    margin: 3rem auto 0;
    padding: 0 2rem;
}

.summary-box {
    border: 1px solid var(--amber);
    border-left: 3px solid var(--amber);
    padding: 1.5rem 1.75rem;
    background: rgba(232, 154, 10, 0.04);
}

.summary-box p {
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text);
    line-height: 1.85;
}

.summary-box strong {
    color: var(--amber);
    font-weight: 500;
}

/* ─── DOC BODY ─── */
.doc-body {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 2rem 6rem;
}

.doc-section {
    margin-bottom: 3.5rem;
}

.doc-section-num {
    font-size: 0.58rem;
    letter-spacing: 0.35em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.doc-section-title {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 700;
    font-size: 1.6rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.doc-section p {
    font-size: 0.78rem;
    font-weight: 300;
    color: var(--text-dim);
    line-height: 1.9;
    margin-bottom: 1rem;
}

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

.doc-section ul {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0;
}

.doc-section ul li {
    font-size: 0.78rem;
    font-weight: 300;
    color: var(--text-dim);
    line-height: 1.9;
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.4rem;
}

.doc-section ul li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--border-mid);
}

.highlight {
    color: var(--text);
    font-weight: 400;
}

.mono-tag {
    display: inline-block;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.08rem 0.4rem;
    border-radius: 2px;
    font-size: 0.7rem;
    color: var(--amber);
}

/* Contact block */
.contact-block {
    border: 1px solid var(--border);
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.contact-label {
    font-size: 0.58rem;
    letter-spacing: 0.25em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.contact-block a {
    color: var(--amber);
    text-decoration: none;
    font-size: 0.78rem;
    transition: color 0.18s;
}

.contact-block a:hover {
    color: #ffb020;
    text-decoration: underline;
}

/* ─── FOOTER ─── */
footer {
    border-top: 1px solid var(--border);
    padding: 1.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-left {
    font-size: 0.62rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    font-size: 0.62rem;
    color: var(--text-muted);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.18s;
}

.footer-links a:hover {
    color: var(--amber);
}

@media (max-width: 600px) {
    footer {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}