/* Product pages: /features, /download, /changelog, /roadmap, /404.
   Loaded after /styles.css and only uses its design tokens. */

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.page-lead code, .page-hero code { white-space: normal; }

/* ==========================================================================
   /features
   ========================================================================== */
html:has(.feat-jump) { scroll-padding-top: 128px; }

.feat-jump {
  position: sticky; top: 64px; z-index: 40;
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}
.feat-jump ul {
  list-style: none; margin: 0; padding: 10px 0; display: flex; gap: 4px; justify-content: center;
  overflow-x: auto; scrollbar-width: none;
}
.feat-jump ul::-webkit-scrollbar { display: none; }
.feat-jump a {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px;
  font-size: 13.5px; font-weight: 500; color: var(--text-2); white-space: nowrap;
  transition: background-color 0.15s, color 0.15s;
}
.feat-jump a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.feat-jump .ico { width: 15px; height: 15px; color: var(--accent); }

.feat { padding: 96px 0; position: relative; }
.feat + .feat { border-top: 1px solid var(--border); }
.feat-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
}
.feat-tag .ico { width: 16px; height: 16px; }
.feat h2 { margin-top: 14px; font-size: clamp(28px, 3.6vw, 42px); font-weight: 700; letter-spacing: -0.035em; }
.feat-lead { margin-top: 16px; font-size: 17.5px; line-height: 1.6; color: var(--text-2); text-wrap: pretty; }
.feat-lead code { white-space: normal; }
.feat .checks { margin-top: 26px; }
.feat .checks code, .feat-points code { white-space: normal; overflow-wrap: anywhere; }
.feat-cta { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }

.feat-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.feat-wide .feat-visual { max-width: 1152px; margin: 0 auto; }
.feat-wide .feat-cta { justify-content: center; }

.feat-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 64px; align-items: center; }
.feat-rev .feat-grid { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
.feat-rev .feat-copy { order: 2; }
.feat-visual { position: relative; min-width: 0; display: grid; gap: 18px; }
.feat-visual::before {
  content: ""; position: absolute; inset: 8% 6% 20%; z-index: -1; pointer-events: none;
  background: radial-gradient(50% 50% at 50% 50%, var(--glow), transparent 70%);
  filter: blur(40px); opacity: 0.8;
}
.feat-rev .feat-visual::before { background: radial-gradient(50% 50% at 50% 50%, var(--glow-2), transparent 70%); }
.feat-note { margin-top: -4px; }

/* the folder screenshot is mostly empty below the tree: show the top part only */
.shot-folder { aspect-ratio: 1783 / 480; }
.folder-status {
  display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 7px 14px;
  font-size: 12px; color: #9aa1b2; background: #15171c; border-top: 1px solid rgba(255, 255, 255, 0.06);
}
:root[data-theme="light"] .folder-status { background: #e9ebef; color: #4b5466; border-top-color: rgba(15, 23, 42, 0.08); }
.folder-status .t-red { color: #f8665c; }
.folder-status .t-blue { color: #58a6ff; }
.folder-status .t-violet { color: #bc8cff; }
:root[data-theme="light"] .folder-status .t-red { color: #cf222e; }
:root[data-theme="light"] .folder-status .t-blue { color: #0969da; }
:root[data-theme="light"] .folder-status .t-violet { color: #8250df; }

.feat-specs {
  margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
}
.feat-specs div { padding: 14px 16px; border-left: 1px solid var(--border); min-width: 0; }
.feat-specs div:first-child { border-left: 0; }
.feat-specs dt { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; color: var(--text); font-variant-numeric: tabular-nums; }
.feat-specs dt kbd { font-size: 14px; }
.feat-specs dd { margin: 2px 0 0; font-size: 13px; line-height: 1.45; color: var(--muted); }
.feat-specs dd code { white-space: normal; font-size: 0.92em; }

.feat-points { margin-top: 48px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 40px; }
.feat-points article { padding-top: 18px; border-top: 1px solid var(--border-strong); }
.feat-points h3 { font-size: 17px; font-weight: 650; letter-spacing: -0.015em; }
.feat-points p { margin-top: 8px; font-size: 15px; color: var(--text-2); line-height: 1.6; }

.feat-bento { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feat-bento .q-card { text-align: left; }
.card-link { margin-top: 16px; font-size: 14.5px; font-weight: 600; }

/* feature checklist */
.fl-wrap { box-shadow: 0 24px 60px -36px rgba(0, 0, 0, 0.5); }
.fl-table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.fl-table th, .fl-table td { padding: 12px 20px; text-align: left; vertical-align: middle; border-top: 1px solid var(--border); }
.fl-table thead th {
  border-top: 0; background: var(--bg-2); color: var(--muted);
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
}
.fl-table tbody th { font-weight: 500; color: var(--text); }
.fl-table tbody th small { display: block; margin-top: 2px; font-size: 13.5px; font-weight: 400; color: var(--muted); }
.fl-table tbody th code, .fl-table tbody th kbd { font-size: 12px; }
.fl-table .fl-yes { width: 72px; text-align: center; }
.fl-table tr.fl-group th {
  padding-top: 22px; padding-bottom: 10px; background: color-mix(in srgb, var(--accent) 5%, var(--surface));
  font-size: 14px; font-weight: 650; color: var(--accent); letter-spacing: 0;
}
.fl-table tr.fl-group .ico { width: 16px; height: 16px; margin-right: 8px; vertical-align: -3px; }
.fl-table tbody tr:not(.fl-group):hover th, .fl-table tbody tr:not(.fl-group):hover td { background: color-mix(in srgb, var(--accent) 4%, transparent); }

.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
.cta-card .cta-actions .btn { margin-top: 0; }
.cta-card .hero-meta { margin-top: 18px; display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 10px; color: var(--muted); font-size: 14px; }

/* ==========================================================================
   /download
   ========================================================================== */
.dl-body { padding-top: 0; }
.dl-card {
  position: relative; overflow: hidden; isolation: isolate;
  margin-top: -8px;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 0;
  border: 1px solid var(--border-strong); border-radius: 24px;
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  box-shadow: var(--shadow-lg);
}
.dl-glow {
  position: absolute; inset: -40% -10% auto 40%; height: 120%; z-index: -1; pointer-events: none;
  background: radial-gradient(40% 40% at 60% 50%, var(--glow-2), transparent 70%),
              radial-gradient(40% 40% at 30% 50%, var(--glow), transparent 70%);
  filter: blur(30px);
}
.dl-main { padding: 36px 40px; }
.dl-id { display: flex; align-items: center; gap: 20px; }
.dl-logo { width: auto; height: 48px; filter: drop-shadow(0 10px 24px var(--glow)); }
.dl-id h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; letter-spacing: -0.035em; }
.dl-sub { margin-top: 6px; font-size: 14.5px; color: var(--text-2); display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; }
.dl-badge {
  display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 999px; vertical-align: 2px;
  color: var(--green); background: color-mix(in srgb, var(--green) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--green) 35%, transparent);
}
.dl-facts { margin: 28px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 28px; }
.dl-facts dt { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.dl-facts dd { margin: 4px 0 0; font-size: 15.5px; font-weight: 500; color: var(--text); display: flex; align-items: center; gap: 8px; }
.dl-facts dd .ico { width: 16px; height: 16px; color: var(--accent); flex: none; }
.dl-action {
  padding: 36px 40px; display: flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 14px;
  border-left: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 35%, transparent);
}
.dl-btn { width: 100%; padding-top: 18px; padding-bottom: 18px; font-size: 17px; }
.dl-file { text-align: center; font-size: 13px; color: var(--muted); }
.dl-file code { font-size: 12.5px; white-space: normal; overflow-wrap: anywhere; }
.dl-perks { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; font-size: 13.5px; color: var(--text-2); }
.dl-perks li::before {
  content: ""; display: inline-block; width: 5px; height: 9px; margin-right: 8px; vertical-align: 1px;
  border: solid var(--green); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.dl-count-line { text-align: center; font-size: 13.5px; color: var(--muted); }
.dl-count-line[hidden] { display: none; }
.dl-count-line strong { color: var(--text); font-variant-numeric: tabular-nums; }
.dl-hash { grid-column: 1 / -1; padding: 0 40px 36px; }
.dl-hash .code { box-shadow: none; }
.dl-hash pre { font-size: 13px; }

.dl-docs { margin-top: 72px; }
.req-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.req {
  padding: 14px 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface);
  display: flex; flex-direction: column; gap: 2px; line-height: 1.45;
}
.req-k { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.req-v { font-size: 15px; color: var(--text); font-weight: 500; }
.prose .dl-na { font-size: 14.5px; color: var(--muted); }

.prose ol.dl-steps { list-style: none; padding: 0; counter-reset: dlstep; display: grid; gap: 0; }
.prose ol.dl-steps > li { counter-increment: dlstep; position: relative; padding: 0 0 26px 54px; margin: 0; }
.prose ol.dl-steps > li::before {
  content: counter(dlstep); position: absolute; left: 0; top: 0;
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  font-weight: 700; font-size: 15px; color: var(--btn-ink);
  background: var(--btn-grad); box-shadow: 0 6px 18px -6px var(--btn-glow), 0 0 0 1px var(--btn-ring);
}
.prose ol.dl-steps > li:not(:last-child)::after {
  content: ""; position: absolute; left: 16.5px; top: 42px; bottom: 6px; width: 1px; background: var(--border-strong);
}
.prose ol.dl-steps h3 { margin: 4px 0 0; font-size: 17.5px; }
.prose ol.dl-steps p { margin-top: 6px; }

/* ==========================================================================
   /changelog
   ========================================================================== */
.toc-date { display: block; font-size: 12.5px; color: var(--muted); font-weight: 400; }
.cl-release { scroll-margin-top: 88px; }
.cl-head { padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.prose .cl-head h2 { margin-top: 0; font-size: clamp(34px, 4vw, 44px); font-weight: 800; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.cl-meta { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-size: 14.5px; color: var(--muted); }
.cl-meta time { color: var(--text-2); font-weight: 500; }
.cl-pill {
  display: inline-block; font-size: 12.5px; font-weight: 600; padding: 2px 10px; border-radius: 999px;
  color: var(--accent); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.cl-summary { margin-top: 16px; color: var(--text-2); }
.cl-actions { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; }
.prose .cl-actions a { text-decoration: none; }
.prose .cl-actions .btn-primary { color: var(--btn-ink); }
.prose .cl-actions .btn-ghost { color: var(--text); }
.prose .cl-release h3 { margin-top: 36px; }
.cl-cat {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c, var(--accent));
}
.cl-cat::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.cl-cat-new { --c: var(--green); }
.cl-cat-quality { --c: var(--accent); }
.cl-cat-privacy { --c: var(--accent-2); }
.cl-cat-known { --c: var(--amber); }
.prose ul.cl-list { list-style: none; padding: 0; }
.prose ul.cl-list li { position: relative; padding: 10px 0 10px 0; margin: 0; border-bottom: 1px solid var(--border); font-size: 15.5px; line-height: 1.6; }
.prose ul.cl-list li:last-child { border-bottom: 0; }
.cl-area {
  display: inline-block; min-width: 86px; margin-right: 10px; padding: 1px 8px; border-radius: 6px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; text-align: center;
  color: var(--text-2); background: var(--surface-2); border: 1px solid var(--border-strong); vertical-align: 1px;
}

/* ==========================================================================
   /roadmap
   ========================================================================== */
.rm { max-width: 900px; }
.rm-note { margin-bottom: 48px; }
.rm-phases { list-style: none; margin: 0; padding: 0; }
.rm-phase { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 24px; }
.rm-rail { position: relative; display: flex; justify-content: center; }
.rm-rail::after { content: ""; position: absolute; top: 48px; bottom: 0; width: 2px; background: linear-gradient(var(--border-strong), var(--border)); }
.rm-phase:last-child .rm-rail::after { display: none; }
.rm-dot {
  position: relative; z-index: 1; width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  font-weight: 700; font-size: 17px; color: var(--accent);
  background: var(--surface); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  box-shadow: 0 0 0 6px var(--bg);
}
.rm-dot .ico { width: 20px; height: 20px; }
.rm-done .rm-dot { color: var(--btn-ink); background: var(--btn-grad); border-color: transparent; }
.rm-body {
  margin-bottom: 28px; padding: 26px 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); background: linear-gradient(180deg, var(--surface), var(--bg-2)); min-width: 0;
}
.rm-head { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 16px; }
.rm-kicker { grid-column: 1; font-size: 12.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.rm-head h2 { grid-column: 1; font-size: clamp(22px, 2.6vw, 28px); font-weight: 700; letter-spacing: -0.03em; }
.rm-chip {
  grid-column: 2; grid-row: 1 / span 2; justify-self: end;
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font-size: 12.5px; font-weight: 600; padding: 4px 12px; border-radius: 999px;
  color: var(--accent); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.rm-chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid currentColor; }
.rm-chip-done { color: var(--green); background: color-mix(in srgb, var(--green) 12%, transparent); border-color: color-mix(in srgb, var(--green) 35%, transparent); }
.rm-chip-done::before { background: currentColor; }
.rm-sub { margin-top: 12px; color: var(--text-2); font-size: 15.5px; }
.rm-items { list-style: none; margin: 20px 0 0; padding: 18px 0 0; border-top: 1px solid var(--border); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; }
.rm-items li { position: relative; padding-left: 20px; font-size: 14.5px; line-height: 1.5; color: var(--text-2); }
.rm-items li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid var(--accent); }
.rm-items code { white-space: normal; }
.rm-foot {
  margin: 20px 0 0 72px; padding: 22px 26px; border-radius: var(--radius-lg); border: 1px dashed var(--border-strong);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; color: var(--text-2); font-size: 15px;
}

/* ==========================================================================
   /404
   ========================================================================== */
.nf { position: relative; overflow: hidden; isolation: isolate; padding: 96px 0 112px; }
.nf-inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
.nf-diff {
  width: min(440px, 100%); margin-bottom: 36px; border-radius: 14px; overflow: hidden; text-align: left;
  background: var(--code-bg); border: 1px solid rgba(255, 255, 255, 0.08); box-shadow: var(--shadow-lg);
  font-family: var(--mono); font-size: 14px;
}
.nf-line { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; padding: 10px 16px 10px 12px; color: #dfe4ee; }
.nf-sign { font-weight: 600; text-align: center; }
.nf-del { background: rgba(248, 102, 92, 0.14); }
.nf-del .nf-sign, .nf-del .nf-code { color: #ff8a80; }
.nf-ins { background: rgba(63, 185, 80, 0.14); }
.nf-ins .nf-sign, .nf-ins .nf-code { color: #56d364; }
.nf-code { font-weight: 600; padding: 0 6px; border-radius: 4px; }
.nf-del .nf-code { text-decoration: line-through; }
.nf h1 { font-size: clamp(34px, 6vw, 60px); font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; }
.nf .page-lead { margin-left: auto; margin-right: auto; }
.nf .hero-cta { margin-top: 32px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.nf-links { margin-top: 64px; width: 100%; max-width: 980px; text-align: left; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.nf-links .card { padding: 22px; }
.nf-links .card-icon { margin-bottom: 14px; }
.nf-links h2 { font-size: 17px; font-weight: 650; letter-spacing: -0.015em; color: var(--text); }

/* ==========================================================================
   responsive
   ========================================================================== */
@media (max-width: 1100px) {
  .feat-jump ul { justify-content: flex-start; }
}
@media (max-width: 900px) {
  .feat { padding: 72px 0; }
  .feat-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .feat-rev .feat-grid { grid-template-columns: minmax(0, 1fr); }
  .feat-rev .feat-copy { order: 0; }
  .feat-points { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feat-bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dl-card { grid-template-columns: minmax(0, 1fr); }
  .dl-action { border-left: 0; border-top: 1px solid var(--border); }
  .dl-docs { margin-top: 48px; }
  .req-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nf-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  html:has(.feat-jump) { scroll-padding-top: 120px; }
  .feat { padding: 56px 0; }
  .feat-head { margin-bottom: 32px; }
  .feat-lead { font-size: 16.5px; }
  .feat-points { grid-template-columns: minmax(0, 1fr); gap: 24px; margin-top: 36px; }
  .feat-bento { grid-template-columns: minmax(0, 1fr); }
  .feat-bento .card-wide { grid-column: auto; }
  .feat-specs div { padding: 12px 10px; }
  .feat-specs dt { font-size: 17px; }
  .feat-specs dd { font-size: 12px; }
  .fl-table th, .fl-table td { padding: 11px 14px; }
  .fl-table .fl-yes { width: 52px; }
  .cta-actions .btn { width: 100%; }
  .dl-main, .dl-action { padding: 26px 20px; }
  .dl-hash { padding: 0 20px 24px; }
  .dl-id { gap: 14px; }
  .dl-logo { height: 38px; }
  .dl-facts { gap: 16px 18px; }
  .dl-facts dd { font-size: 14.5px; }
  .req-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .req { padding: 12px; }
  .req-v { font-size: 14px; }
  .prose ol.dl-steps > li { padding-left: 48px; }
  .cl-area { min-width: 0; }
  .rm-phase { grid-template-columns: 36px minmax(0, 1fr); gap: 14px; }
  .rm-dot { width: 36px; height: 36px; border-radius: 11px; font-size: 15px; }
  .rm-rail::after { top: 40px; }
  .rm-body { padding: 20px 18px; }
  .rm-head { grid-template-columns: minmax(0, 1fr); }
  .rm-chip { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 8px; }
  .rm-items { grid-template-columns: minmax(0, 1fr); }
  .rm-foot { margin-left: 0; }
  .nf { padding: 64px 0 80px; }
  .nf .hero-cta .btn { width: 100%; }
  .nf-links { grid-template-columns: minmax(0, 1fr); margin-top: 48px; }
}