/* ============================================================
   GLM-5.3 SERIES DOSSIER — rebel-web-ui
   identity: 模型規格檔案站 ×「抽出檔案、蓋章歸檔」
   intensity: charged · accent: electric blue on ink & paper
   ============================================================ */

:root {
  --paper: #F3F1EA;
  --paper-2: #E9E6DC;
  --ink: #14131A;
  --ink-2: #4A4954;
  --accent: #2B59FF;
  --accent-deep: #1E3FCC;
  --flash: #27D9F0;

  --t-instant: 90ms;
  --t-snap: 160ms;
  --t-panel: 280ms;
  --t-scene: 420ms;
  --ease-snap: cubic-bezier(.2, .9, .25, 1);
  --ease-overshoot: cubic-bezier(.3, 1.5, .5, 1);

  --skew: -10deg;
  --pad-x: clamp(1rem, 4vw, 2.6rem);

  --font-display: "Avenir Next Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
html.no-motion { scroll-behavior: auto; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--paper); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.section--dark :focus-visible { outline-color: var(--flash); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: .6em 1.2em;
  font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ============ header ============ */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: .6rem var(--pad-x);
  background: var(--paper);
  border-bottom: 2.5px solid var(--ink);
}

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  align-self: flex-start;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: .07em;
  padding: .16em .6em;
  transform: skewX(-8deg);
}
.brand-sub {
  margin-top: .32rem;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .34em;
  color: var(--ink-2);
}

.site-nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.2rem;
}
.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .04em;
  position: relative;
  padding: .25em 0;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 3px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-snap) var(--ease-snap);
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after { transform: scaleX(1); }

.motion-toggle {
  font: inherit;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  padding: .32em .75em;
  cursor: pointer;
  transition: background var(--t-snap), color var(--t-snap);
}
.motion-toggle[aria-pressed="false"] {
  background: var(--accent);
  border-color: var(--accent-deep);
  color: var(--paper);
}

/* ============ hero ============ */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: 2.5rem;
  align-items: center;
  padding: clamp(3rem, 7vw, 5.5rem) var(--pad-x) 5rem;
  overflow: hidden;
}

.hero-halftone {
  position: absolute;
  left: -3%;
  bottom: -8%;
  width: 46%;
  height: 62%;
  background-image: radial-gradient(rgba(20, 19, 26, .15) 1.3px, transparent 1.4px);
  background-size: 12px 12px;
  transform: skew(-12deg);
  z-index: 0;
}

/* the one hero gesture: a blue slash rail running from the headline
   toward the dealt dossier cards, with a thin cyan echo line */
.hero-slash {
  position: absolute;
  top: 56%;
  right: -6%;
  width: 78%;
  height: 84px;
  background: var(--accent);
  transform: rotate(-7deg);
  z-index: 0;
}
.hero-slash::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -14px;
  height: 6px;
  background: var(--flash);
}

.hero-copy,
.hero-cards { position: relative; z-index: 1; }

.stamp {
  display: inline-block;
  font-weight: 800;
  font-size: .78rem;
  letter-spacing: .16em;
  border: 2px dashed var(--ink);
  padding: .35em .85em;
  transform: rotate(-2deg);
  background: var(--paper);
}
.stamp--kicker {
  color: var(--accent-deep);
  border-color: var(--accent-deep);
}

.hero-title { margin: .9rem 0 1.3rem; }
.hero-title-main {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4.2rem, 11vw, 8.6rem);
  line-height: .92;
  letter-spacing: -.015em;
  text-transform: uppercase;
}
.hero-title-main::after {
  content: "";
  display: block;
  width: 128px;
  height: 11px;
  margin-top: .7rem;
  background: var(--accent);
  transform: skewX(-30deg);
}
.hero-title-sub {
  display: block;
  margin-top: 1.1rem;
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
  font-weight: 800;
  letter-spacing: .3em;
}
.hero-title-en {
  display: block;
  margin-top: .4rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .5em;
  color: var(--ink-2);
}

.hero-lead {
  max-width: 33em;
  margin: 0 0 1.7rem;
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.9;
}

.cmd-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  align-items: center;
}

/* command button: skewed shell, counter-skewed readable label */
.cmd-button {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  cursor: pointer;
  text-decoration: none;
  transform: skewX(var(--skew));
  box-shadow: 5px 5px 0 rgba(20, 19, 26, .3);
  transition: transform var(--t-snap) var(--ease-snap), box-shadow var(--t-snap) var(--ease-snap);
}
.cmd-button > span {
  display: inline-block;
  transform: skewX(calc(var(--skew) * -1));
  padding: .78rem 1.7rem;
  font-weight: 800;
  font-size: .95rem;
  letter-spacing: .08em;
}
.cmd-button:hover,
.cmd-button:focus-visible {
  transform: skewX(var(--skew)) translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--accent);
}
.cmd-button:active {
  transform: skewX(var(--skew)) translate(3px, 3px);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition-duration: var(--t-instant);
}
.cmd-button--primary { background: var(--accent); }
.cmd-button--primary:hover,
.cmd-button--primary:focus-visible { box-shadow: 8px 8px 0 var(--ink); }

.section--dark .cmd-button {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 5px 5px 0 rgba(39, 217, 240, .4);
}
.section--dark .cmd-button--primary {
  background: var(--accent);
  color: var(--paper);
}
.section--dark .cmd-button:hover,
.section--dark .cmd-button:focus-visible { box-shadow: 8px 8px 0 var(--flash); }
.section--dark .cmd-button--primary:hover,
.section--dark .cmd-button--primary:focus-visible { box-shadow: 8px 8px 0 var(--paper); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--paper);
}
.hero-stats > div {
  padding: .65rem 1.15rem;
  border-left: 2px solid var(--ink);
}
.hero-stats > div:first-child { border-left: 0; }
.hero-stats dt {
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--ink-2);
}
.hero-stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1.2;
}
.hero-stats small {
  font-family: var(--font-body);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent-deep);
}

/* dossier cards — the dealt hand */
.hero-cards {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 360px;
  padding-top: 1.5rem;
}

.dossier-card {
  --r: 0deg;
  --dy: 0px;
  --dd: 0ms;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  width: min(300px, 86vw);
  padding: 1.15rem 1.3rem 1.3rem;
  background: var(--paper);
  border: 2.5px solid var(--ink);
  box-shadow: 10px 10px 0 var(--ink);
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--t-snap) var(--ease-snap), box-shadow var(--t-snap) var(--ease-snap);
}
/* fake cut corner: paper triangle hides the border corner, accent edge line */
.dossier-card::before {
  content: "";
  position: absolute;
  top: -2.5px;
  right: -2.5px;
  width: 26px;
  height: 26px;
  background: var(--paper);
}
.dossier-card::after {
  content: "";
  position: absolute;
  top: 6px;
  right: -5px;
  width: 34px;
  height: 4px;
  background: var(--accent);
  transform: rotate(45deg);
}

.dossier-card:first-child {
  margin-right: -26px;
  z-index: 1;
}
.dossier-card:last-child {
  z-index: 2;
  margin-top: 74px;
}

.dossier-tag {
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .22em;
  color: var(--accent-deep);
}
.dossier-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.05rem;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: .01em;
}
.dossier-desc {
  font-size: .88rem;
  line-height: 1.7;
  color: var(--ink-2);
}
.dossier-meta {
  margin-top: .45rem;
  padding-top: .55rem;
  border-top: 2px solid var(--ink);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--accent-deep);
}

/* entrance states — only when JS is present */
html.js .dossier-card {
  opacity: 0;
  transform: translateY(-30px) rotate(-12deg);
}
html.js .dossier-card.dealt {
  opacity: 1;
  transform: translateY(var(--dy)) rotate(var(--r));
  transition:
    transform var(--t-scene) var(--ease-overshoot) var(--dd),
    opacity var(--t-scene) ease-out var(--dd),
    box-shadow var(--t-snap) var(--ease-snap);
}
.dossier-card:hover,
html.js .dossier-card.dealt:hover {
  transform: translateY(calc(var(--dy) - 6px)) rotate(0deg);
  box-shadow: 14px 14px 0 var(--accent);
  transition-duration: var(--t-snap);
}

/* ============ section scaffolding ============ */

.section {
  padding: clamp(3rem, 6vw, 4.6rem) var(--pad-x);
}

.section--dark {
  background: var(--ink);
  color: var(--paper);
}

.tear {
  position: relative;
  height: 58px;
  overflow: hidden;
}
.tear::before {
  content: "";
  position: absolute;
  top: 52%;
  left: -4%;
  width: 108%;
  height: 15px;
  background: var(--ink);
  transform: rotate(-1.6deg);
}
.tear--accent::before { background: var(--accent); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem 1.3rem;
  margin-bottom: 2.6rem;
}
.section-index {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3.4rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--ink);
}
.section--dark .section-index { -webkit-text-stroke: 2px var(--flash); }

.section-title { margin: 0; }
.section-title .en {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.section-title .zh {
  display: inline-block;
  margin-top: .55rem;
  background: var(--ink);
  color: var(--paper);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .3em;
  padding: .28em .8em .28em 1em;
  border-left: 6px solid var(--accent);
}
.section--dark .section-title .zh {
  background: var(--paper);
  color: var(--ink);
  border-left-color: var(--flash);
}
.section-note {
  margin: 0;
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--ink-2);
}
.section--dark .section-note { color: #A8A6BC; }

/* ============ lineup / tabs ============ */

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.tab-card {
  position: relative;
  min-width: min(320px, 100%);
  text-align: left;
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 2.5px solid var(--ink);
  padding: .95rem 1.2rem 1.05rem;
  cursor: pointer;
  box-shadow: 6px 6px 0 rgba(20, 19, 26, .22);
  transition:
    transform var(--t-snap) var(--ease-snap),
    box-shadow var(--t-snap) var(--ease-snap),
    background var(--t-snap), color var(--t-snap);
}
.tab-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 rgba(43, 89, 255, .5);
}
.tab-card[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 6px 6px 0 var(--accent);
}

.tab-card-no {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .92rem;
  letter-spacing: .2em;
  color: var(--accent-deep);
}
.tab-card[aria-selected="true"] .tab-card-no { color: var(--flash); }
.tab-card-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.7rem;
  line-height: 1.15;
  text-transform: uppercase;
  margin: .15rem 0 .1rem;
}
.tab-card-role {
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--ink-2);
}
.tab-card[aria-selected="true"] .tab-card-role { color: #C6C3DB; }

/* selection stamp — overshoot allowed on selection only */
.tab-card::after {
  content: "選定";
  position: absolute;
  top: -12px;
  right: -10px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--accent-deep);
  background: var(--paper);
  border: 2px solid currentColor;
  padding: .12em .55em;
  transform: rotate(6deg) scale(0);
  opacity: 0;
  pointer-events: none;
}
.tab-card[aria-selected="true"]::after {
  transform: rotate(6deg) scale(1);
  opacity: 1;
  transition: transform var(--t-snap) var(--ease-overshoot), opacity var(--t-instant);
}

.tab-panel { margin-top: 2.1rem; }
html.js .tab-panel.is-entering {
  animation: panel-in var(--t-panel) var(--ease-snap);
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.2fr .9fr;
  gap: 2.4rem;
  align-items: start;
}
/* scroll children (pre) must not blow out the 1fr track */
.panel-grid > *,
.deploy-grid > *,
.blueprint-grid > * { min-width: 0; max-width: 100%; }

.panel-main h3 {
  margin: 0 0 .95rem;
  font-size: 1.42rem;
  line-height: 1.45;
  padding-left: .9rem;
  border-left: 6px solid var(--accent);
}
.panel-main p { margin: 0; max-width: 38em; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 1.4rem;
}
.tag-row li {
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .05em;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: .28em .7em;
}

.spec-list {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--paper);
}
.spec-list > div {
  display: grid;
  grid-template-columns: 8.5em 1fr;
  gap: 1rem;
  padding: .68rem 1rem;
  border-top: 2px solid var(--ink);
}
.spec-list > div:first-child { border-top: 0; }
.spec-list dt {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--ink-2);
  align-self: center;
}
.spec-list dd {
  margin: 0;
  font-weight: 600;
  font-size: .92rem;
  line-height: 1.65;
}

/* ============ blueprint (dark) ============ */

.blueprint-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.6rem;
}

.cut-card {
  position: relative;
  background: #1E1D28;
  border: 2px solid var(--paper);
  box-shadow: 9px 9px 0 rgba(43, 89, 255, .55);
  padding: 1.4rem 1.5rem 1.6rem;
}
.cut-card::before {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 22px;
  height: 22px;
  background: var(--ink);
}
.cut-kicker {
  margin: 0 0 .5rem;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .3em;
  color: var(--flash);
}
.cut-card h3 {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.cut-card p { margin: 0; font-size: .92rem; color: #D9D7E4; }

.bar-block { margin-top: 1.3rem; }
.bar-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: .8rem 0 .3rem;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .06em;
  color: #B9B7C8;
}
.bar-label span:last-child { color: var(--paper); }
.bar {
  height: 22px;
  background: rgba(243, 241, 234, .12);
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  min-width: 22px;
  width: var(--w, 0%);
  background: var(--paper);
  transform-origin: left;
}
.bar-fill--accent { background: var(--flash); }
html.js .bar-fill { transform: scaleX(0); }
html.js .reveal.is-in .bar-fill {
  transform: scaleX(1);
  transition: transform var(--t-scene) var(--ease-snap) var(--d, 0ms);
}

/* ============ field report ============ */

.report-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}
.report-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 1.1rem;
  align-items: baseline;
  padding: 1.05rem .6rem;
  border-top: 2px solid var(--ink);
  transition: background var(--t-snap);
}
.report-row:last-child { border-bottom: 2px solid var(--ink); }
.report-row:hover { background: var(--paper-2); }

.report-no {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: .1em;
  color: var(--accent-deep);
  white-space: nowrap;
}
.report-claim { margin: 0; font-size: .96rem; }
.report-claim strong {
  font-weight: 800;
  background: linear-gradient(transparent 62%, rgba(43, 89, 255, .32) 0);
  padding: 0 .1em;
}
.report-src {
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--accent-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  white-space: nowrap;
}
.report-src:hover { color: var(--ink); border-bottom-color: var(--ink); }

.footnote {
  margin: 1.4rem 0 0;
  font-size: .78rem;
  color: var(--ink-2);
}

/* ============ deploy ============ */

.deploy-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 2.2rem;
  align-items: start;
}

.code-panel {
  background: #16151E;
  border: 2px solid var(--paper);
  box-shadow: 10px 10px 0 var(--accent);
}
.code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .55rem 1rem;
  border-bottom: 1.5px solid rgba(243, 241, 234, .18);
  color: #A8A6BC;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .14em;
}
.code-actions {
  display: flex;
  align-items: center;
  gap: .8rem;
}
#copy-status {
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--flash);
}
.copy-btn {
  font: inherit;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--paper);
  background: transparent;
  border: 2px solid var(--paper);
  padding: .22em .8em;
  cursor: pointer;
  transition: background var(--t-snap), color var(--t-snap), border-color var(--t-snap);
}
.copy-btn:hover { background: var(--paper); color: var(--ink); }
.copy-btn.is-copied {
  background: var(--flash);
  border-color: var(--flash);
  color: var(--ink);
}
.code-panel pre {
  margin: 0;
  padding: 1.2rem 1.3rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.75;
  color: #EDEBFF;
}
.code-panel .k { color: #7EA2FF; }
.code-panel .s { color: var(--flash); }
.code-panel .c { color: #6E6C7E; }

.deploy-notes h3 {
  margin: 0 0 .8rem;
  font-size: 1.25rem;
  padding-left: .8rem;
  border-left: 6px solid var(--flash);
}
.deploy-notes ul {
  margin: 0 0 1.5rem;
  padding-left: 1.2rem;
  font-size: .93rem;
  color: #D9D7E4;
}
.deploy-notes li { margin-bottom: .55rem; }
.deploy-notes strong { color: var(--paper); }
.deploy-notes code {
  font-family: var(--font-mono);
  font-size: .85em;
  background: rgba(243, 241, 234, .12);
  padding: .1em .4em;
}

/* ============ footer ============ */

.site-foot {
  border-top: 2.5px solid var(--ink);
  padding: 2.2rem var(--pad-x) 2.6rem;
  display: grid;
  gap: 1rem;
}
.foot-brand { display: flex; flex-direction: column; }
.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
}
.foot-links a {
  color: var(--accent-deep);
  font-weight: 800;
  font-size: .86rem;
  letter-spacing: .04em;
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: .1em;
}
.foot-links a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.foot-note {
  margin: 0;
  max-width: 78ch;
  font-size: .78rem;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ============ scroll reveal ============ */

html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
}
html.js .reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--t-panel) var(--ease-snap), transform var(--t-panel) var(--ease-snap);
}

/* ============ responsive ============ */

@media (max-width: 1020px) {
  .hero {
    grid-template-columns: 1fr;
    padding-bottom: 3.4rem;
  }
  .hero-cards {
    justify-content: flex-start;
    min-height: 0;
    padding-top: .6rem;
  }
  .hero-slash { top: auto; bottom: 4%; width: 100%; }
}

@media (max-width: 820px) {
  .panel-grid,
  .deploy-grid { grid-template-columns: 1fr; }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    border-left: 0;
  }
  .hero-stats > div { border-left: 0; border-top: 2px solid var(--ink); }
  .hero-stats > div:nth-child(-n+2) { border-top: 0; }
  .hero-stats > div:nth-child(even) { border-left: 2px solid var(--ink); }
  .report-row { grid-template-columns: 56px 1fr; }
  .report-src { grid-column: 2; justify-self: start; }
  .spec-list > div { grid-template-columns: 7em 1fr; gap: .7rem; }
}

@media (max-width: 640px) {
  .site-head { flex-wrap: wrap; gap: .6rem .9rem; }
  .site-nav { margin-left: 0; width: 100%; order: 3; }
  .hero-cards { flex-direction: column; align-items: stretch; gap: 1.2rem; }
  .dossier-card,
  .dossier-card:first-child,
  .dossier-card:last-child {
    width: 100%;
    margin: 0;
  }
  .dossier-card:last-child { --dy: 0px; margin-top: 0; }
  .tab-card { min-width: 100%; }
  .section-index { font-size: 2.4rem; }
}

/* ============ reduced motion ============ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html *, html *::before, html *::after {
    animation: none !important;
    transition: none !important;
  }
  html.js .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  html.js .bar-fill { transform: scaleX(1) !important; }
  html.js .dossier-card {
    opacity: 1 !important;
    transform: translateY(var(--dy, 0px)) rotate(var(--r, 0deg)) !important;
  }
}

/* manual toggle reaches the same state via html.no-motion */
html.no-motion *, html.no-motion *::before, html.no-motion *::after {
  animation: none !important;
  transition: none !important;
}
html.no-motion .reveal {
  opacity: 1 !important;
  transform: none !important;
}
html.no-motion .bar-fill { transform: scaleX(1) !important; }
html.no-motion .dossier-card {
  opacity: 1 !important;
  transform: translateY(var(--dy, 0px)) rotate(var(--r, 0deg)) !important;
}