/* ============================================================
   Ultra Mode Website — site-wide styles
   ============================================================ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--um-bg);
  color: var(--um-fg);
  font-family: var(--um-font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 220ms var(--um-ease-soft), color 220ms var(--um-ease-soft);
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }

.um-page { min-height: 100vh; display: flex; flex-direction: column; }
.um-page > main { flex: 1; }
.um-container { max-width: var(--um-page-width); margin: 0 auto; padding: 0 var(--um-gutter); }
.um-container-wide { max-width: var(--um-page-wide); margin: 0 auto; padding: 0 var(--um-gutter); }

.um-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--um-ultra); margin: 0 8px; vertical-align: middle; }

/* ---------- Buttons ---------- */
.um-btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--um-font-sans); font-size: 14px; font-weight: 500; letter-spacing: -0.01em; padding: 11px 20px; border-radius: 999px; border: 1px solid transparent; transition: background var(--um-dur-fast) var(--um-ease-soft), color var(--um-dur-fast), transform var(--um-dur-fast) var(--um-ease-spring); white-space: nowrap; }
.um-btn:active { transform: scale(0.97); }
.um-btn svg { width: 16px; height: 16px; stroke-width: 1.75; }
.um-btn-sm { font-size: 12px; padding: 7px 14px; }
.um-btn-lg { font-size: 15px; padding: 14px 24px; }
.um-btn-primary { background: var(--um-blue); color: #fff; }
.um-btn-primary:hover { background: var(--um-blue-deep); }
.um-btn-secondary { background: var(--um-bg-sunken); color: var(--um-fg); border-color: var(--um-border); }
.um-btn-secondary:hover { background: var(--um-mist); }
[data-theme="dark"] .um-btn-secondary { background: rgba(255,255,255,0.08); }
[data-theme="dark"] .um-btn-secondary:hover { background: rgba(255,255,255,0.14); }
.um-btn-ghost { background: transparent; color: var(--um-fg); }
.um-btn-ghost:hover { background: rgba(0,0,0,0.05); }
[data-theme="dark"] .um-btn-ghost:hover { background: rgba(255,255,255,0.08); }
.um-btn-ultra { background: var(--um-ultra); color: #fff; }
.um-btn-ultra:hover { background: var(--um-ultra-deep); }
.um-btn-dark { background: var(--um-black); color: #fff; }
.um-btn-dark:hover { background: var(--um-graphite); }
.um-btn-outline { background: transparent; color: var(--um-fg); border-color: var(--um-border-strong); }
.um-btn-outline:hover { background: rgba(0,0,0,0.04); }
[data-theme="dark"] .um-btn-outline:hover { background: rgba(255,255,255,0.06); }

/* ---------- Pills / Tags ---------- */
.um-pill { font-family: var(--um-font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; display: inline-flex; align-items: center; gap: 4px; }
.um-pill-ultra { background: var(--um-ultra); color: #fff; }
.um-pill-blue { background: var(--um-blue); color: #fff; }
.um-pill-ghost { background: rgba(0,0,0,0.06); color: var(--um-fg); }
[data-theme="dark"] .um-pill-ghost { background: rgba(255,255,255,0.10); color: var(--um-fg); }
.um-pill-mixed { background: var(--um-warning); color: #1d1d1f; }
.um-pill-skip { background: var(--um-stone); color: #fff; }

/* ---------- Nav ---------- */
.um-nav { position: sticky; top: 0; z-index: 50; height: 60px; background: rgba(245,245,247,0.78); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--um-border); display: flex; align-items: center; padding: 0 28px; gap: 28px; }
[data-theme="dark"] .um-nav { background: rgba(10,10,10,0.78); }
.um-nav-lockup { font-size: 22px; }
.um-nav-links { display: flex; gap: 24px; align-items: center; }
.um-nav-links a { font-size: 13px; font-weight: 400; color: var(--um-fg); transition: color var(--um-dur-fast); position: relative; padding: 4px 0; }
.um-nav-links a:hover { color: var(--um-blue); }
.um-nav-links a.is-current { color: var(--um-fg); font-weight: 500; }
.um-nav-links a.is-current::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--um-ultra); }
.um-nav-right { margin-left: auto; display: flex; gap: 10px; align-items: center; }

.um-search-pill { display: inline-flex; align-items: center; gap: 8px; background: rgba(0,0,0,0.05); border: 0; border-radius: 999px; padding: 7px 14px; font-size: 12px; color: var(--um-fg-muted); transition: background var(--um-dur-fast); width: 220px; }
[data-theme="dark"] .um-search-pill { background: rgba(255,255,255,0.08); }
.um-search-pill:hover { background: rgba(0,0,0,0.08); }
[data-theme="dark"] .um-search-pill:hover { background: rgba(255,255,255,0.12); }
.um-search-pill svg { width: 14px; height: 14px; }
.um-search-pill kbd { font-family: var(--um-font-mono); font-size: 10px; background: rgba(0,0,0,0.06); padding: 2px 5px; border-radius: 4px; margin-left: auto; }
[data-theme="dark"] .um-search-pill kbd { background: rgba(255,255,255,0.10); }

.um-icon-btn { background: transparent; border: 0; width: 36px; height: 36px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; color: var(--um-fg-muted); cursor: pointer; transition: background var(--um-dur-fast), color var(--um-dur-fast); }
.um-icon-btn:hover { background: rgba(0,0,0,0.06); color: var(--um-fg); }
[data-theme="dark"] .um-icon-btn:hover { background: rgba(255,255,255,0.08); }
.um-icon-btn svg { width: 18px; height: 18px; stroke-width: 1.75; }

/* ---------- Search overlay ---------- */
.um-search-scrim { position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,0.40); backdrop-filter: blur(6px); display: flex; align-items: flex-start; justify-content: center; padding: 80px 24px; animation: um-fade-in 200ms var(--um-ease-out); }
@keyframes um-fade-in { from { opacity: 0; } to { opacity: 1; } }
.um-search-modal { width: 100%; max-width: 640px; background: var(--um-bg-elevated); border-radius: var(--um-r-xl); box-shadow: var(--um-shadow-xl); overflow: hidden; border: 1px solid var(--um-border); }
.um-search-input-row { display: flex; align-items: center; padding: 16px 20px; gap: 12px; border-bottom: 1px solid var(--um-border); }
.um-search-input-row svg { width: 20px; height: 20px; color: var(--um-fg-muted); flex-shrink: 0; }
.um-search-input { flex: 1; border: 0; outline: 0; background: transparent; font-size: 18px; color: var(--um-fg); font-family: inherit; padding: 4px 0; }
.um-search-input::placeholder { color: var(--um-fg-faint); }
.um-search-esc { font-family: var(--um-font-mono); font-size: 10px; padding: 4px 8px; background: rgba(0,0,0,0.06); border-radius: 6px; color: var(--um-fg-muted); }
[data-theme="dark"] .um-search-esc { background: rgba(255,255,255,0.10); }
.um-search-results { max-height: 60vh; overflow-y: auto; padding: 8px; }
.um-search-section-head { font-family: var(--um-font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--um-fg-muted); padding: 14px 12px 6px; }
.um-search-row { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--um-r-sm); cursor: pointer; transition: background var(--um-dur-fast); }
.um-search-row:hover, .um-search-row.is-active { background: var(--um-blue-fog); }
[data-theme="dark"] .um-search-row:hover, [data-theme="dark"] .um-search-row.is-active { background: rgba(0,113,227,0.15); }
.um-search-row-thumb { width: 56px; height: 36px; border-radius: 6px; flex-shrink: 0; background: var(--um-bg-sunken); display: flex; align-items: center; justify-content: center; }
.um-search-row-thumb svg { width: 16px; height: 16px; color: var(--um-fg-faint); }
.um-search-row-body { min-width: 0; flex: 1; }
.um-search-row-title { font-size: 14px; font-weight: 500; color: var(--um-fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.um-search-row-meta { font-size: 11px; color: var(--um-fg-muted); font-family: var(--um-font-mono); letter-spacing: 0.06em; }
.um-search-empty { padding: 56px 24px; text-align: center; color: var(--um-fg-muted); font-size: 14px; }
.um-search-foot { display: flex; gap: 18px; padding: 10px 20px; border-top: 1px solid var(--um-border); font-family: var(--um-font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--um-fg-muted); }
.um-search-foot span { display: inline-flex; align-items: center; gap: 4px; }

/* ---------- Cards / Article rows / Video grid ---------- */
.um-section { max-width: var(--um-page-width); margin: 0 auto; padding: 64px 28px; }
.um-section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 32px; gap: 24px; flex-wrap: wrap; }
.um-link { color: var(--um-fg-muted); font-size: 12px; transition: color var(--um-dur-fast); cursor: pointer; }
.um-link:hover { color: var(--um-blue); }

.um-video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.um-video-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.um-video-grid.cols-4 { grid-template-columns: repeat(4, 1fr); gap: 20px; }
.um-video-card { transition: transform var(--um-dur-base) var(--um-ease-out); cursor: pointer; }
.um-video-thumb { aspect-ratio: 16/9; border-radius: var(--um-r-md); margin-bottom: 14px; position: relative; overflow: hidden; box-shadow: var(--um-shadow-sm); transition: box-shadow var(--um-dur-base), transform var(--um-dur-base) var(--um-ease-out); }
.um-video-card:hover .um-video-thumb { box-shadow: var(--um-shadow-md); }
.um-video-play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at center, rgba(0,0,0,0.30), transparent 60%); }
.um-video-play svg { width: 56px; height: 56px; color: #fff; opacity: 0.9; stroke-width: 1; fill: rgba(255,255,255,0.10); transition: transform var(--um-dur-base) var(--um-ease-spring); }
.um-video-card:hover .um-video-play svg { transform: scale(1.12); }
.um-video-duration { position: absolute; bottom: 10px; right: 10px; background: rgba(0,0,0,0.78); color: #fff; padding: 4px 8px; border-radius: 6px; font-size: 11px; font-family: var(--um-font-mono); }
.um-video-title { font-size: 18px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.3; margin: 6px 0 0; color: var(--um-fg); }
.um-video-meta { font-family: var(--um-font-mono); font-size: 11px; color: var(--um-fg-faint); margin-top: 6px; letter-spacing: 0.04em; }

.um-article-list { border-top: 1px solid var(--um-border); }
.um-article-row { display: grid; grid-template-columns: 130px 1fr 160px 24px; gap: 24px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--um-border); transition: background var(--um-dur-fast); cursor: pointer; }
.um-article-row:hover { background: rgba(0,0,0,0.02); }
[data-theme="dark"] .um-article-row:hover { background: rgba(255,255,255,0.03); }
.um-article-row-tag { color: var(--um-fg-muted); }
.um-article-row-title { font-size: 19px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.3; margin: 0; color: var(--um-fg); }
.um-article-row-meta { color: var(--um-fg-faint); font-size: 11px; text-align: right; font-family: var(--um-font-mono); letter-spacing: 0.04em; }
.um-article-row-arrow { width: 18px; height: 18px; color: var(--um-fg-faint); transition: transform var(--um-dur-base) var(--um-ease-spring), color var(--um-dur-base); }
.um-article-row:hover .um-article-row-arrow { transform: translateX(4px); color: var(--um-blue); }

/* Editorial card (used on indexes) */
.um-edcard { display: flex; flex-direction: column; gap: 14px; cursor: pointer; padding: 0; }
.um-edcard-thumb { aspect-ratio: 16/10; border-radius: var(--um-r-md); position: relative; overflow: hidden; box-shadow: var(--um-shadow-sm); transition: box-shadow var(--um-dur-base); display: flex; align-items: flex-end; justify-content: flex-start; padding: 14px; }
.um-edcard:hover .um-edcard-thumb { box-shadow: var(--um-shadow-md); }
.um-edcard-thumb-score { position: absolute; right: 14px; top: 14px; background: rgba(0,0,0,0.55); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); padding: 6px 10px; border-radius: 8px; color: #fff; font-family: var(--um-font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; display: flex; align-items: baseline; gap: 4px; }
.um-edcard-thumb-score sup { font-size: 9px; color: var(--um-silver); font-weight: 500; letter-spacing: 0.18em; font-family: var(--um-font-mono); position: relative; top: -4px; }
.um-edcard-thumb-cat { background: rgba(255,255,255,0.10); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.16); color: #fff; font-family: var(--um-font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; }
.um-edcard-title { font-size: 22px; font-weight: 700; letter-spacing: -0.018em; line-height: 1.22; margin: 0; color: var(--um-fg); }
.um-edcard-lede { font-size: 14px; line-height: 1.45; color: var(--um-fg-muted); margin: 0; }
.um-edcard-meta { font-family: var(--um-font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--um-fg-faint); display: flex; gap: 10px; align-items: center; }

/* ---------- Newsletter ---------- */
.um-newsletter { background: var(--um-black); color: #fff; padding: 96px 28px; position: relative; overflow: hidden; }
.um-newsletter::before { content: ""; position: absolute; left: 50%; bottom: -300px; transform: translateX(-50%); width: 800px; height: 600px; background: radial-gradient(circle at center, rgba(255,90,31,0.30), transparent 60%); pointer-events: none; }
.um-newsletter-inner { max-width: 720px; margin: 0 auto; text-align: center; position: relative; }
.um-newsletter-title { color: #fff; margin: 14px 0; }
.um-newsletter-lede { color: var(--um-fog); margin-bottom: 32px; }
.um-newsletter-form { display: flex; gap: 8px; background: rgba(255,255,255,0.08); padding: 6px; border-radius: 999px; max-width: 520px; margin: 0 auto 14px; border: 1px solid rgba(255,255,255,0.10); transition: border-color var(--um-dur-fast); }
.um-newsletter-form.has-error { border-color: var(--um-negative); }
.um-newsletter-input { flex: 1; background: transparent; border: 0; outline: 0; padding: 10px 18px; color: #fff; font-size: 15px; font-family: inherit; min-width: 0; }
.um-newsletter-input::placeholder { color: var(--um-silver); }
.um-newsletter-error { color: var(--um-ultra-soft); font-size: 12px; margin: 0 0 4px; min-height: 16px; }
.um-newsletter-done { display: inline-flex; align-items: center; gap: 10px; background: rgba(40,167,69,0.15); color: #4ade80; padding: 12px 22px; border-radius: 999px; font-size: 14px; }
.um-newsletter-done svg { width: 18px; height: 18px; }
.um-newsletter-foot { color: var(--um-silver); font-size: 11px; margin-top: 14px; font-family: var(--um-font-mono); letter-spacing: 0.06em; }

/* ---------- Footer ---------- */
.um-footer { background: var(--um-bg-sunken); padding: 80px 28px 40px; }
.um-footer-grid { max-width: var(--um-page-width); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.um-footer-lockup { font-size: 28px; display: inline-block; }
.um-footer-tag { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--um-fg-muted); margin: 8px 0 14px; font-family: var(--um-font-mono); }
.um-footer-blurb { color: var(--um-fg-muted); font-size: 13px; line-height: 1.5; max-width: 280px; margin: 0; }
.um-footer-head { font-family: var(--um-font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--um-fg-muted); margin: 6px 0 14px; }
.um-footer ul li { padding: 4px 0; font-size: 13px; }
.um-footer ul a { color: var(--um-fg); transition: color var(--um-dur-fast); cursor: pointer; }
.um-footer ul a:hover { color: var(--um-blue); }
.um-footer-rule { max-width: var(--um-page-width); margin: 60px auto 24px; border-top: 1px solid var(--um-border); }
.um-footer-base { max-width: var(--um-page-width); margin: 0 auto; display: flex; justify-content: space-between; font-size: 11px; color: var(--um-fg-faint); letter-spacing: 0.06em; font-family: var(--um-font-mono); }

/* ---------- Page-section divider ---------- */
.um-rule { max-width: var(--um-page-width); margin: 0 auto; border-top: 1px solid var(--um-border); }

/* ---------- Filter / sort bar ---------- */
.um-filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 18px 0; border-top: 1px solid var(--um-border); border-bottom: 1px solid var(--um-border); margin-bottom: 36px; }
.um-chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 999px; background: transparent; border: 1px solid var(--um-border); color: var(--um-fg); font-size: 12px; font-weight: 500; cursor: pointer; transition: background var(--um-dur-fast), border-color var(--um-dur-fast), color var(--um-dur-fast); }
.um-chip:hover { background: rgba(0,0,0,0.04); }
[data-theme="dark"] .um-chip:hover { background: rgba(255,255,255,0.06); }
.um-chip.is-active { background: var(--um-ink); color: #fff; border-color: var(--um-ink); }
[data-theme="dark"] .um-chip.is-active { background: #fff; color: var(--um-ink); border-color: #fff; }
.um-chip-mono { font-family: var(--um-font-mono); font-size: 11px; letter-spacing: 0.10em; text-transform: uppercase; }
.um-filter-divider { flex: 1; }
.um-sort { display: inline-flex; align-items: center; gap: 8px; }
.um-sort-label { font-family: var(--um-font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--um-fg-muted); }
.um-select { background: transparent; border: 1px solid var(--um-border); padding: 7px 28px 7px 12px; border-radius: 999px; font: inherit; font-size: 12px; color: var(--um-fg); cursor: pointer; appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='currentColor' d='M0 0h10L5 6z'/></svg>"); background-repeat: no-repeat; background-position: right 10px center; }

/* ---------- Result grid ---------- */
.um-grid { display: grid; gap: 32px; }
.um-grid-3 { grid-template-columns: repeat(3, 1fr); }
.um-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- Empty state ---------- */
.um-empty { padding: 80px 24px; text-align: center; color: var(--um-fg-muted); }
.um-empty h3 { color: var(--um-fg); margin: 0 0 8px; }

/* ---------- Hover preview card ---------- */
.um-hover-preview { position: fixed; z-index: 100; pointer-events: none; width: 320px; background: var(--um-bg-elevated); border: 1px solid var(--um-border); border-radius: var(--um-r-md); box-shadow: var(--um-shadow-lg); overflow: hidden; opacity: 0; transform: translateY(6px); transition: opacity var(--um-dur-fast), transform var(--um-dur-fast); }
.um-hover-preview.is-visible { opacity: 1; transform: translateY(0); }
.um-hover-preview-thumb { aspect-ratio: 16/9; }
.um-hover-preview-body { padding: 14px; }
.um-hover-preview-title { font-size: 14px; font-weight: 600; line-height: 1.3; margin: 0 0 6px; color: var(--um-fg); }
.um-hover-preview-meta { font-size: 11px; color: var(--um-fg-muted); font-family: var(--um-font-mono); letter-spacing: 0.06em; }

/* ---------- Page hero ---------- */
.um-page-hero { padding: 96px 28px 56px; max-width: var(--um-page-width); margin: 0 auto; }
.um-page-hero-eyebrow { margin-bottom: 18px; }
.um-page-hero-title { margin: 0 0 18px; }
.um-page-hero-lede { max-width: 640px; margin: 0; }

/* ---------- Mobile ---------- */
@media (max-width: 980px) {
  .um-nav-links { display: none; }
  .um-search-pill { width: auto; }
  .um-search-pill span, .um-search-pill kbd { display: none; }
  .um-video-grid, .um-video-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .um-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .um-footer-grid { grid-template-columns: 1fr 1fr; }
  .um-article-row { grid-template-columns: 80px 1fr 24px; }
  .um-article-row-meta { display: none; }
}
@media (max-width: 640px) {
  .um-video-grid, .um-video-grid.cols-4, .um-grid-3, .um-grid-2 { grid-template-columns: 1fr; }
  .um-footer-grid { grid-template-columns: 1fr; }
  .um-section { padding: 48px 20px; }
  .um-page-hero { padding: 64px 20px 36px; }
}