/* Department of Search — component styles. Depends on tokens.css. Prefix: dos- */
.dos { font-family: var(--font-sans); color: var(--ink); background: var(--paper); font-size: 17px; line-height: 28px; }
.dos *, .dos *::before, .dos *::after { box-sizing: border-box; }

/* Kicker / label — the mono "file stamp" */
.dos-kicker { font-family: var(--font-mono); font-weight: 500; font-size: 12px; line-height: 16px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }
.dos-kicker--accent { color: var(--navy-ink); }

/* Display headings */
.dos-h1, .dos-h2, .dos-h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; color: var(--ink); margin: 0; letter-spacing: .01em; }
.dos-h1 { font-size: 96px; line-height: .92; }
.dos-h2 { font-size: 56px; line-height: 1; }
.dos-h3 { font-size: 32px; line-height: 1.1; font-weight: 700; }
.dos-accent { color: var(--navy-ink); }
.dos-hot { color: var(--vermilion); }
@media (max-width: 640px) { .dos-h1 { font-size: 60px; } .dos-h2 { font-size: 40px; } }

/* Button */
.dos-btn { display: inline-flex; align-items: center; gap: var(--space-2); height: 44px; padding: 0 var(--space-6); border: 2px solid transparent; border-radius: var(--radius-none); font-family: var(--font-mono); font-weight: 500; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: transform .08s, background .15s; }
.dos-btn:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }
.dos-btn:active { transform: translateY(1px); }
.dos-btn--primary { background: var(--navy); color: var(--on-navy); }
.dos-btn--primary:hover { background: var(--navy-deep); }
.dos-btn--accent { background: var(--vermilion); color: var(--on-vermilion); }
.dos-btn--ghost { background: transparent; color: var(--ink); border-color: var(--graphite); }
.dos-btn--ghost:hover { border-color: var(--ink); }
.dos-btn--sm { height: 32px; padding: 0 var(--space-4); font-size: 12px; }
.dos-btn[disabled] { opacity: .45; cursor: not-allowed; }

/* Tag */
.dos-tag { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border: 1.5px solid currentColor; font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); }
.dos-tag--solid { background: var(--charcoal); color: var(--on-charcoal); border-color: var(--charcoal); }
.dos-tag--navy { background: var(--navy); color: var(--on-navy); border-color: var(--navy); }
.dos-tag--accent { color: var(--orange); }
.dos-tag--live::before { content: ""; width: 7px; height: 7px; border-radius: var(--radius-pill); background: var(--signal); }

/* Nav */
.dos-nav { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--rule); background: var(--paper); }
.dos-nav__brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 800; font-size: 22px; letter-spacing: .02em; text-transform: uppercase; }
.dos-nav__brand img { width: 32px; height: 32px; }
.dos-nav__links { display: flex; gap: var(--space-6); list-style: none; margin: 0; padding: 0; }
.dos-nav__links a { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; color: var(--ink-muted); }
.dos-nav__links a:hover, .dos-nav__links a[aria-current] { color: var(--ink); }
.dos-nav__links a[aria-current] { box-shadow: inset 0 -2px 0 var(--vermilion); padding-bottom: 4px; }
@media (max-width: 720px) { .dos-nav__links { display: none; } }

/* Section header */
.dos-section-head { display: grid; gap: var(--space-2); max-width: 760px; }
.dos-section-head--center { text-align: center; margin: 0 auto; justify-items: center; }
.dos-section-head p { margin: var(--space-2) 0 0; color: var(--ink-muted); font-size: 19px; line-height: 30px; }

/* Card base */
.dos-card { background: var(--paper-raised); border: 1px solid var(--rule); display: flex; flex-direction: column; }
.dos-card__body { padding: var(--space-6); display: grid; gap: var(--space-2); }
.dos-card__title { font-family: var(--font-display); font-weight: 700; font-size: 28px; line-height: 1.05; text-transform: uppercase; margin: 0; color: var(--ink); }
.dos-card__text { margin: 0; color: var(--ink-muted); font-size: 15px; line-height: 24px; }
.dos-card__meta { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-2); }
a.dos-card { text-decoration: none; transition: transform .12s, border-color .12s; }
a.dos-card:hover { transform: translate(-2px,-2px); border-color: var(--navy); box-shadow: 4px 4px 0 var(--navy); }

/* Project card ("Works") — poster panel on top */
.dos-work__poster { position: relative; aspect-ratio: 16 / 9; background: var(--charcoal); overflow: hidden; }
.dos-work__poster svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.dos-work__no { position: absolute; top: var(--space-4); left: var(--space-4); font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--on-charcoal); }

/* Post card (blog) */
.dos-post { display: grid; grid-template-columns: 112px 1fr; gap: var(--space-6); padding: var(--space-6) 0; border-top: 1px solid var(--rule); text-decoration: none; }
.dos-post__date { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); line-height: 20px; }
.dos-post__title { font-family: var(--font-display); font-weight: 700; font-size: 30px; line-height: 1.05; text-transform: uppercase; color: var(--ink); margin: 0 0 var(--space-2); }
a.dos-post:hover .dos-post__title { color: var(--navy-ink); }
.dos-post__excerpt { margin: 0; color: var(--ink-muted); font-size: 16px; line-height: 26px; }
@media (max-width: 560px) { .dos-post { grid-template-columns: 1fr; gap: var(--space-2); } }

/* Feature grid — hairline cells */
.dos-features { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.dos-feature { padding: var(--space-6); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); display: grid; gap: var(--space-2); align-content: start; }
.dos-feature__icon { width: 28px; height: 28px; color: var(--navy-ink); }
.dos-feature__title { font-family: var(--font-sans); font-weight: 600; font-size: 16px; line-height: 22px; margin: 0; color: var(--ink); }
.dos-feature__text { margin: 0; font-size: 14px; line-height: 22px; color: var(--ink-muted); }
@media (max-width: 720px) { .dos-features { grid-template-columns: 1fr; } }

/* Seal — circular WPA-style stamp badge */
.dos-seal { width: 128px; height: 128px; display: inline-block; }
.dos-seal .ring { fill: none; stroke: var(--graphite); stroke-width: 2; }
.dos-seal .disc { fill: var(--paper-raised); }
.dos-seal .arc { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; fill: var(--ink-muted); text-transform: uppercase; }
.dos-seal .big { font-family: var(--font-display); font-weight: 800; font-size: 30px; fill: var(--ink); text-anchor: middle; }
.dos-seal .small { font-family: var(--font-mono); font-size: 9px; letter-spacing: .14em; fill: var(--navy-ink); text-anchor: middle; }

/* Resume entry ("Personnel File") */
.dos-entry { display: grid; grid-template-columns: 160px 1fr; gap: var(--space-6); padding: var(--space-6) 0; border-top: 1px solid var(--rule); }
.dos-entry__when { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); line-height: 20px; }
.dos-entry__role { font-family: var(--font-display); font-weight: 700; font-size: 26px; line-height: 1.05; text-transform: uppercase; margin: 0; color: var(--ink); }
.dos-entry__org { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--navy-ink); margin: 4px 0 var(--space-2); }
.dos-entry ul { margin: 0; padding-left: 18px; color: var(--ink-muted); font-size: 15px; line-height: 24px; }
@media (max-width: 560px) { .dos-entry { grid-template-columns: 1fr; gap: var(--space-2); } }

/* Footer */
.dos-footer { background: var(--black); color: var(--on-charcoal); border-top: 1px solid var(--rule); padding: var(--space-10) var(--space-6); display: flex; flex-wrap: wrap; gap: var(--space-6); justify-content: space-between; align-items: center; }
.dos-footer .dos-kicker { color: #A3A7AE; }

/* Theme-aware logo swap */
.dos-logo--dark { display: none; }
[data-theme="dark"] .dos-logo--light { display: none; }
[data-theme="dark"] .dos-logo--dark { display: inline-block; }