/* DentalCraft site. Dark only. Tokens: design/web-tokens.json. Mobile first: 768 tablet, 1200 desktop. */

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/assets/atkinson-hyperlegible-next-var.0f569cde30.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "B612 Mono";
  src: url("/assets/b612-mono-400.ec1a843dea.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "B612 Mono";
  src: url("/assets/b612-mono-700.3f31f49111.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --color-bg-canvas: #0f1214;
  --color-bg-panel: #161b1e;
  --color-bg-raised: #1d2327;
  --color-bg-sunken: #0b0e10;
  --color-bg-hover: #242b30;
  --color-line-subtle: #262e33;
  --color-line-strong: #5e6b73;
  --color-text-primary: #ece6da;
  --color-text-secondary: #a9a397;
  --color-text-disabled: #6c6a64;
  --color-accent-amber: #f2a93b;
  --color-accent-amber-hover: #ffbc57;
  --color-accent-amber-pressed: #d98f22;
  --color-accent-on-amber: #1c1204;
  --color-focus-ring: #8fb2ff;
  --font-sans: "Atkinson Hyperlegible Next", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "B612 Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --radius-sm: 4px;
  --radius-tab: 16px 16px 4px 4px;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --gutter: 16px;
  --sec-y: 64px;
  --top-h: 108px;
}
@media (min-width: 768px) {
  :root { --gutter: 40px; --sec-y: 88px; }
}
@media (min-width: 1200px) {
  :root { --gutter: 80px; --sec-y: 112px; --top-h: 112px; }
}

*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--color-bg-canvas);
}
html.menu-open { overflow: hidden; }
body {
  margin: 0;
  background: var(--color-bg-canvas);
  color: var(--color-text-primary);
  font: 400 17px/26px var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
img, svg, video { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; }
button { font: inherit; color: inherit; }
section[id], .video[id], details[id] { scroll-margin-top: var(--top-h); }

:focus-visible { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; }

.vh {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap;
}
.skip {
  position: fixed; left: 16px; top: 8px; z-index: 200;
  padding: 12px 16px;
  background: var(--color-bg-raised);
  color: var(--color-text-primary);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  font-weight: 700;
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

.wrap { width: 100%; max-width: 1440px; margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Type ---------- */
.h1 { font: 700 30px/36px var(--font-sans); letter-spacing: -0.01em; }
.display { font: 700 40px/44px var(--font-sans); letter-spacing: -0.01em; }
.h2 { font: 600 24px/30px var(--font-sans); }
.h3 { font: 600 20px/26px var(--font-sans); }
.lead { font: 400 17px/26px var(--font-sans); color: var(--color-text-secondary); }
.lead--primary { color: var(--color-text-primary); }
.detail { font: 400 15px/22px var(--font-sans); color: var(--color-text-secondary); }
.small { font: 500 14px/20px var(--font-sans); color: var(--color-text-secondary); }
.sec-text { color: var(--color-text-secondary); }
.sec-text--sm { font-size: 17px; }
.max640 { max-width: 640px; }
.mono-label {
  font: 400 13px/18px var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.mono-code { font: 700 15px/20px var(--font-mono); }
@media (min-width: 768px) {
  .h1 { font-size: 40px; line-height: 46px; }
  .display { font-size: 56px; line-height: 60px; }
  .h2 { font-size: 28px; line-height: 34px; }
  .lead { font-size: 20px; line-height: 30px; }
}
.ul, .ul-p { text-underline-offset: 3px; }
.ul { text-decoration: underline; }
.ul-p { color: var(--color-text-primary); text-decoration: underline; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 24px;
  border: 1.5px solid transparent; border-radius: var(--radius-sm);
  font: 700 16px/20px var(--font-sans);
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background-color 120ms var(--ease), border-color 120ms var(--ease);
}
.btn--primary { background: var(--color-accent-amber); color: var(--color-accent-on-amber); padding-left: 20px; }
.btn--primary:hover { background: var(--color-accent-amber-hover); }
.btn--primary:active { background: var(--color-accent-amber-pressed); }
.btn--secondary { background: transparent; color: var(--color-text-primary); border-color: var(--color-line-strong); }
.btn--secondary:hover { background: var(--color-bg-hover); border-color: var(--color-text-secondary); }
.btn--secondary:active { background: var(--color-bg-raised); border-color: var(--color-text-primary); }
.btn--disabled {
  background: var(--color-bg-raised); color: var(--color-text-disabled);
  border: 1px solid var(--color-line-subtle); cursor: default;
}
.ico { flex: none; }

/* ---------- Tags and markers ---------- */
.mk { flex: none; width: 10px; height: 10px; }
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  height: 28px; padding: 0 10px;
  border: 1px solid var(--color-line-strong); border-radius: var(--radius-sm);
  font: 400 13px/18px var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-text-primary); white-space: nowrap;
}
.tag--progress { border-color: var(--color-text-secondary); }
.tag--planned { border-style: dashed; color: var(--color-text-secondary); }
.tag--planned .mk { color: var(--color-text-secondary); }
.tag--sunken { background: var(--color-bg-sunken); }

.disc {
  background: var(--color-bg-sunken);
  border-left: 3px solid var(--color-text-secondary);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-weight: 700;
}
.disc--sm { font: 700 14px/20px var(--font-sans); }
.callout {
  background: var(--color-bg-sunken);
  border-left: 4px solid var(--color-text-primary);
  border-radius: var(--radius-sm);
  padding: 20px 20px;
  font: 700 24px/30px var(--font-sans);
}
@media (min-width: 768px) {
  .callout { padding: 24px 28px; font-size: 28px; line-height: 34px; }
}
.intent {
  display: flex; align-items: center; gap: 10px;
  width: 100%; max-width: max-content;
  padding: 12px 16px;
  border: 1px dashed var(--color-line-strong); border-radius: var(--radius-sm);
  font: 500 14px/20px var(--font-sans); color: var(--color-text-primary);
}
.intent .mk { color: var(--color-text-secondary); }
@media (min-width: 768px) { .intent { width: auto; } }

/* ---------- Nav links ---------- */
.nl {
  display: inline-flex; align-items: center;
  height: 44px; padding: 0 8px;
  border-bottom: 2px solid transparent; border-radius: 0;
  font: 500 14px/20px var(--font-sans);
  color: var(--color-text-secondary); text-decoration: none;
  transition: color 120ms var(--ease);
}
.nl:hover { color: var(--color-text-primary); text-decoration: underline; text-underline-offset: 4px; }
.nl[aria-current] { color: var(--color-text-primary); border-bottom-color: var(--color-text-primary); }
.nl:focus-visible { outline-offset: -2px; border-radius: var(--radius-sm); }
.nl--foot { padding: 0; height: 44px; border-bottom: 0; }

/* ---------- Language switch ---------- */
.lang {
  display: inline-flex; gap: 2px; height: 44px; padding: 3px;
  border: 1px solid var(--color-line-strong); border-radius: var(--radius-sm);
}
.lang a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 36px; border-radius: 2px;
  font: 400 13px/18px var(--font-mono); color: var(--color-text-secondary); text-decoration: none;
  transition: background-color 120ms var(--ease);
}
.lang a[aria-current] { background: var(--color-bg-raised); color: var(--color-text-primary); font-weight: 700; }
.lang a:hover { color: var(--color-text-primary); }
.lang a:focus-visible { outline-offset: 1px; }

/* ---------- Sticky header block ---------- */
.top { position: sticky; top: 0; z-index: 60; }
html:not(.js) .top { position: static; }
.hdr { background: var(--color-bg-canvas); border-bottom: 1px solid var(--color-line-subtle); height: 64px; }
.hdr__in { display: flex; align-items: center; justify-content: space-between; gap: 8px; height: 100%; }
.hdr__logo { display: block; flex: none; }
.hdr__logo img { width: 143px; height: auto; }
.hdr__nav { display: none; }
.hdr__nav ul { display: flex; gap: 8px; }
.hdr__act { display: flex; align-items: center; gap: 8px; }
.hdr__cta { display: none; }
.menu-btn {
  display: none; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  width: 44px; height: 44px; padding: 0; cursor: pointer;
  background: transparent; border: 1px solid var(--color-line-strong); border-radius: var(--radius-sm);
}
.js .menu-btn { display: flex; }
.menu-btn span { display: block; width: 18px; height: 1.5px; background: var(--color-text-primary); }
.menu-btn:hover { background: var(--color-bg-hover); }

.band { background: var(--color-bg-sunken); border-bottom: 1px solid var(--color-line-subtle); }
.band__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 10px; }
.band__text { display: flex; align-items: flex-start; gap: 8px; font: 400 13px/18px var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase; }
.band__text .mk { margin-top: 4px; }
.band__link { display: none; font: 500 14px/20px var(--font-sans); color: var(--color-text-secondary); text-underline-offset: 3px; white-space: nowrap; }
.band__link:hover { color: var(--color-text-primary); }
@media (min-width: 768px) {
  .band__in { min-height: 40px; padding-block: 0; }
  .band__link { display: inline; }
}

.sheet { background: var(--color-bg-canvas); }
.sheet__in { display: flex; flex-direction: column; gap: 16px; padding: 16px var(--gutter) 32px; }
.sheet .nl { width: 100%; height: 44px; font-size: 17px; line-height: 26px; padding: 0; border-bottom: 1px solid var(--color-line-subtle); }
.sheet .nl[aria-current] { border-bottom-color: var(--color-text-primary); }
.sheet .btn { width: 100%; }
/* Hidden until the menu button (JS only) opens it; the footer links cover no-JS visitors. */
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; top: var(--top-h);
  overflow-y: auto; overscroll-behavior: contain;
  visibility: hidden; opacity: 0;
  transition: opacity 200ms var(--ease), visibility 0s linear 200ms;
}
.sheet.open { visibility: visible; opacity: 1; transition: opacity 200ms var(--ease); }

@media (min-width: 1200px) {
  .hdr { height: 72px; }
  .hdr__logo img { width: 168px; }
  .hdr__in { gap: 0; }
  .hdr__nav { display: block; margin-left: 48px; margin-right: auto; }
  .hdr__act { gap: 16px; }
  .menu-btn, .js .menu-btn, .sheet { display: none; }
  .hdr__in { padding-inline: 40px; }
}
@media (min-width: 1400px) {
  .hdr__cta { display: inline-flex; }
}
@media (min-width: 1440px) {
  .hdr__in { padding-inline: 80px; }
}

/* ---------- Sections and rail ---------- */
.sec { padding-block: var(--sec-y); background: var(--color-bg-canvas); }
.sec--panel { background: var(--color-bg-panel); }
.sec--pre { padding-bottom: 36px; }
.sec--cont { padding-top: 0; }
@media (min-width: 768px) {
  .sec--pre { padding-bottom: var(--sec-y); }
}
.sec__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: start; }
.rail { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--color-text-primary); padding-top: 12px; }
.rail__label { color: var(--color-text-primary); }
.rail__sub { color: var(--color-text-secondary); text-align: right; }
.rail__sub--hm { display: none; }
.content { display: flex; flex-direction: column; min-width: 0; }
.content--stack { gap: 64px; }
.content--stack-sm { gap: 20px; }
.sec__micro { margin-top: 0; }
@media (min-width: 768px) {
  .rail__sub--hm { display: block; }
  .content--stack { gap: 80px; }
}
@media (min-width: 1200px) {
  .sec__grid { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; row-gap: 24px; }
  .rail { grid-column: 1 / 4; flex-direction: column; justify-content: flex-start; gap: 8px; padding-top: 16px; }
  .rail__sub { text-align: left; }
  .content { grid-column: 4 / 13; }
  .princs, .sec__micro { grid-column: 1 / -1; }
}

/* ---------- Hero ---------- */
.hero { background: var(--color-bg-canvas); display: grid; grid-template-columns: minmax(0, 1fr); }
.hero__copy {
  display: flex; flex-direction: column; align-items: flex-start; gap: 24px;
  padding: 32px var(--gutter) 24px;
}
.hero__badge { align-self: flex-start; }
.hero__h { font: 700 40px/44px var(--font-sans); letter-spacing: -0.02em; max-width: 616px; }
.hero__sub { color: var(--color-text-secondary); max-width: 560px; }
.hero__cta { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.hero__cta .btn { width: 100%; }
.hero .disc { width: 100%; max-width: 616px; }
.hero__art { padding: 0 var(--gutter) 32px; }
.hero__art .art { width: 100%; height: auto; }
@media (min-width: 768px) {
  .hero__copy { gap: 28px; padding-top: 56px; padding-bottom: 32px; }
  .hero__h { font-size: 56px; line-height: 60px; }
  .hero__sub { font-size: 20px; line-height: 30px; }
  .hero__cta { flex-direction: row; width: auto; gap: 16px; }
  .hero__cta .btn { width: auto; }
  .hero__art { max-width: calc(560px + 2 * var(--gutter)); margin-inline: auto; width: 100%; padding-bottom: 56px; }
}
@media (min-width: 1200px) {
  .hero { grid-template-columns: minmax(0, 1fr) 720px; align-items: center; padding-block: 40px; }
  .hero__copy { padding: 0 24px 0 max(80px, calc((100vw - 1280px) / 2)); }
  .hero__h { font-size: 64px; line-height: 68px; }
  .hero__art { max-width: none; margin: 0; padding: 0; }
}

/* ---------- Presentation ---------- */
.intro { display: grid; gap: 32px; }
.intro__copy { display: flex; flex-direction: column; gap: 20px; }
.ledger__title { color: var(--color-text-secondary); margin-bottom: 12px; font-weight: 400; }
.ledger__row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 60px; border-bottom: 1px solid var(--color-line-subtle);
}
@media (min-width: 1200px) {
  .intro { grid-template-columns: 470px minmax(0, 1fr); gap: 48px; }
}

.video { display: flex; flex-direction: column; gap: 20px; }
.player {
  position: relative; aspect-ratio: 16 / 9;
  background: var(--color-bg-sunken);
  border: 1px solid var(--color-line-subtle); border-radius: var(--radius-sm);
  overflow: hidden;
}
.player__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: var(--color-bg-sunken); }
.player__poster {
  display: none;
  position: absolute; inset: 0; width: 100%; height: 100%;
  flex-direction: column; justify-content: space-between;
  padding: 16px; margin: 0;
  background: transparent; border: 0; border-radius: 0; cursor: pointer; text-align: left;
}
.js .player__poster { display: flex; }
.js .player.is-playing .player__poster { display: none; }
.player__poster:focus-visible { outline-offset: -4px; }
.player__top { display: flex; justify-content: space-between; color: var(--color-text-secondary); }
.player__bottom { display: flex; align-items: center; gap: 16px; }
.player__play {
  display: flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: var(--color-accent-amber); color: var(--color-accent-on-amber);
  transition: background-color 120ms var(--ease);
}
.player__play .ico { width: 18px; height: 21px; }
.player__poster:hover .player__play { background: var(--color-accent-amber-hover); }
.player__poster:active .player__play { background: var(--color-accent-amber-pressed); }
@media (min-width: 768px) {
  .player__poster { padding: 32px; }
}
@media (min-width: 1200px) {
  .player__play { width: 64px; height: 64px; }
  .player__play .ico { width: 24px; height: 28px; }
  .player__poster { padding: 24px 32px; }
}
.video__cap { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.video__capt { max-width: 620px; }
.transcript summary {
  cursor: pointer; list-style: none; width: fit-content;
  font: 500 14px/20px var(--font-sans); color: var(--color-text-primary);
  text-decoration: underline; text-underline-offset: 3px;
}
.transcript summary::-webkit-details-marker { display: none; }
.transcript[open] summary { margin-bottom: 12px; }
.transcript .tr { margin-top: 12px; border-top: 1px solid var(--color-line-subtle); }
.tr li { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--color-line-subtle); font: 400 15px/22px var(--font-sans); color: var(--color-text-secondary); }
.tr__time { color: var(--color-text-primary); }
@media (min-width: 768px) {
  .video__cap { grid-template-columns: minmax(0, 1fr) auto; align-items: start; column-gap: 24px; }
  .transcript { justify-self: end; }
  .transcript[open] { grid-column: 1 / -1; justify-self: stretch; }
  .transcript[open] summary { margin-left: auto; }
}

.screens { display: flex; flex-direction: column; gap: 24px; }
.screens__head { display: flex; flex-direction: column; gap: 4px; }
.screens__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; }
.shot { display: flex; flex-direction: column; gap: 12px; }
.shot__frame {
  position: relative; aspect-ratio: 16 / 9; overflow: hidden;
  border: 1px solid var(--color-line-subtle); border-radius: var(--radius-sm);
  background: var(--color-bg-sunken);
}
.shot__frame img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.shot__badge { position: absolute; top: 12px; left: 12px; }
@media (min-width: 768px) {
  .screens__head { flex-direction: row; justify-content: space-between; align-items: baseline; gap: 24px; }
  .screens__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}

/* ---------- Vision ---------- */
.princs { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0 24px; margin-top: 12px; }
.princ { display: flex; flex-direction: column; gap: 6px; padding: 16px 0 20px; border-top: 1px dashed var(--color-line-strong); }
@media (min-width: 768px) {
  .princs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 24px; margin-top: 24px; }
  .princ { gap: 10px; padding: 20px 0 0; }
}
@media (min-width: 1200px) {
  .princs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- Roadmap: shade guide ---------- */
.guide { display: flex; flex-direction: column; padding-top: 16px; }
.guide__scroll {
  display: block; overflow-x: auto; scroll-snap-type: x mandatory;
  margin-right: calc(-1 * var(--gutter)); padding-right: var(--gutter); padding-bottom: 4px;
}
.guide__scroll { scrollbar-width: thin; scrollbar-color: var(--color-line-strong) transparent; }
.guide__tabs, .guide__labels { display: grid; grid-template-columns: repeat(5, 144px); gap: 16px; width: max-content; }
.mod__tab { scroll-snap-align: start; padding-top: 20px; }
.mod__tab--progress { padding-top: 0; }
.mod__tab img { width: 120px; height: 144px; }
.mod__tab--planned img { opacity: 0.55; }
.guide__labels { padding-top: 16px; }
.mod { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; scroll-snap-align: start; }
.mod__name { font: 600 17px/22px var(--font-sans); }
.mod__note { margin-top: 0; }
.core {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  margin-top: 20px; padding: 16px;
  background: var(--color-bg-sunken); border: 1px solid var(--color-line-subtle); border-radius: var(--radius-sm);
}
@media (min-width: 768px) {
  .guide { padding-top: 36px; }
  .guide__scroll { display: contents; }
  .guide__tabs { order: 1; grid-template-columns: repeat(5, 168px); gap: 24px; align-items: end; width: auto; padding-top: 0; }
  .guide__labels { order: 3; grid-template-columns: repeat(5, 168px); gap: 24px; width: auto; padding-top: 20px; }
  .mod__tab, .mod__tab--progress { padding-top: 0; }
  .mod__tab--progress { padding-bottom: 28px; }
  .mod__tab img { width: 168px; height: 202px; }
  .mod__name { font: 600 20px/26px var(--font-sans); }
  .core { order: 2; flex-direction: row; align-items: center; gap: 24px; min-height: 56px; margin-top: 0; padding: 0 20px; border-radius: 0 0 4px 4px; }
}
@media (max-width: 1199px) and (min-width: 768px) {
  .guide__tabs, .guide__labels { grid-template-columns: repeat(5, minmax(0, 168px)); gap: 16px; }
}

/* ---------- Aligners ---------- */
.legend { display: flex; flex-direction: column; gap: 12px; }
.legend p { display: flex; align-items: center; gap: 12px; }
.stages { border-top: 1px solid var(--color-line-subtle); margin-top: 12px; }
.stage {
  display: grid; grid-template-columns: 16px minmax(0, 1fr) auto; column-gap: 12px; row-gap: 6px;
  align-items: center; padding: 18px 0; border-bottom: 1px solid var(--color-line-subtle);
  grid-template-areas: "mk group tag" ". detail detail";
}
.stage__mk { grid-area: mk; display: flex; }
.stage__mk .mk { width: 14px; height: 14px; }
.stage--planned .stage__mk { color: var(--color-text-secondary); }
.stage__group { grid-area: group; }
.stage__detail { grid-area: detail; display: flex; flex-direction: column; gap: 2px; }
.stage__micro { color: var(--color-text-primary); }
.stage__tag { grid-area: tag; justify-self: end; }
@media (min-width: 768px) {
  .legend { flex-direction: row; gap: 32px; }
  .stage {
    grid-template-columns: 16px 220px minmax(0, 1fr) auto; column-gap: 24px; padding: 20px 0; align-items: start;
    grid-template-areas: "mk group detail tag";
  }
  .stage__mk { padding-top: 6px; }
}

/* ---------- Downloads ---------- */
.pcards { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; padding-block: 8px; }
.pcard { background: var(--color-bg-raised); border-radius: var(--radius-tab); overflow: hidden; }
.pcard__handle { display: flex; align-items: center; justify-content: space-between; height: 56px; padding: 0 20px; background: var(--color-bg-sunken); }
.pcard__code { font: 700 20px/24px var(--font-mono); color: var(--color-text-secondary); }
.pcard__body { display: flex; flex-direction: column; gap: 20px; padding: 24px 20px 20px; }
.pcard .btn { width: 100%; }
.dl-after { display: flex; flex-direction: column; gap: 20px; margin-top: 4px; }
.dl-after .disc { max-width: 520px; }
@media (min-width: 768px) {
  .pcards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding-block: 12px; }
  .dl-after { flex-direction: row; justify-content: space-between; align-items: center; gap: 24px; }
}
.dl-note { max-width: 640px; }

/* ---------- About ---------- */
.techs { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px 24px; margin-top: 12px; }
.tech { display: flex; flex-direction: column; gap: 8px; padding-top: 16px; border-top: 1px solid var(--color-line-strong); }
@media (min-width: 768px) {
  .techs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
}

.faqs { margin-top: 12px; }
.faq { border-top: 1px solid var(--color-line-subtle); }
.faq:last-child { border-bottom: 1px solid var(--color-line-subtle); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 64px; padding: 10px 0; cursor: pointer; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:focus-visible { outline-offset: 0; background: var(--color-bg-panel); padding-inline: 8px; }
.faq__tog {
  flex: none; display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 1px solid var(--color-line-strong); border-radius: var(--radius-sm);
  transition: background-color 120ms var(--ease);
}
.faq[open] .faq__tog { background: var(--color-bg-raised); }
.faq[open] .ico--plus, .faq:not([open]) .ico--minus { display: none; }
.faq__a { padding: 0 0 24px; max-width: 720px; }
.faq summary .h3 { font-size: 18px; line-height: 24px; }
@media (min-width: 768px) {
  .faq summary .h3 { font-size: 20px; line-height: 26px; }
}
@supports (interpolate-size: allow-keywords) {
  .faq { interpolate-size: allow-keywords; }
  .faq::details-content { height: 0; overflow: clip; transition: height 200ms var(--ease), content-visibility 200ms allow-discrete; }
  .faq[open]::details-content { height: auto; }
}

.contact { flex-direction: column; align-items: flex-start; gap: 20px; }
.contact__mail { overflow-wrap: anywhere; }
.contact__mail a { text-decoration: none; }
.contact__mail a:hover { text-decoration: underline; text-underline-offset: 6px; }
@media (min-width: 768px) {
  .contact { flex-direction: row; justify-content: space-between; align-items: center; gap: 24px; }
}

/* ---------- Footer ---------- */
.foot { background: var(--color-bg-sunken); border-top: 1px solid var(--color-line-subtle); }
.foot__in { padding-block: 48px 32px; display: flex; flex-direction: column; gap: 32px; }
.foot__top { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 16px; }
.foot__brand { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 16px; }
.foot__brand img { width: 168px; height: auto; }
.foot__brand p { color: var(--color-text-secondary); }
.foot__label { color: var(--color-text-secondary); margin-bottom: 8px; }
.foot__col ul { display: flex; flex-direction: column; }
.foot__contact { grid-column: 2; grid-row: 2; }
.foot__lang { grid-column: 2; grid-row: 3; }
.foot__links { grid-column: 1; grid-row: 2 / span 2; }
.foot__contact a { display: inline-block; padding: 10px 0; overflow-wrap: anywhere; }
.foot__disc { padding: 24px 0; border-block: 1px solid var(--color-line-subtle); font-weight: 700; }
.foot__legal { display: flex; flex-direction: column-reverse; gap: 8px; font: 500 14px/20px var(--font-sans); color: var(--color-text-secondary); }
.foot__legal a { padding: 8px 0; width: fit-content; }
@media (min-width: 768px) {
  .foot__top { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
  .foot__brand { grid-column: auto; }
  .foot__contact, .foot__lang, .foot__links { grid-column: auto; grid-row: auto; }
  .foot__legal { flex-direction: row; justify-content: space-between; align-items: center; }
}
@media (min-width: 1200px) {
  .foot__in { padding-block: 72px 40px; gap: 48px; }
  .foot__top { grid-template-columns: 302px 302px 302px minmax(0, 1fr); }
  .nl--foot { height: 36px; }
  .foot__col ul { gap: 8px; }
}

/* ---------- Plain pages (root index, 404) ---------- */
.plain__in { max-width: 640px; margin: 0 auto; padding: 96px 24px; display: flex; flex-direction: column; gap: 24px; }
.plain__brand img { width: 168px; height: auto; }
.plain section { display: flex; flex-direction: column; gap: 12px; }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}