/* ============================================================================
   Seceda Studios stylesheet

   Organisation
     1. Brand tokens       — edit these to re-skin the site
     2. Semantic tokens    — derived from brand; generally leave alone
     3. @font-face         — Neue Montreal + Playfair Display accent
     4. Reset + elements   — body, headings, links, buttons, inputs, dialog
     5. Utilities          — .reveal, .visually-hidden
     6. Layout chrome      — site header, site footer
     7. Home sections      — section.hero, section.work, section.cta
     8. Contact            — section.contact (page) and dialog#contact-modal
     9. Dialogs            — dialog#lightbox and dialog#contact-modal entrance
    10. Media + motion     — responsive, reduced-motion
   ---------------------------------------------------------------------------- */

/* 1. Brand tokens ─────────────────────────────────────────────────────────── */

:root {
  /* --- Brand colours, named from the brand guide -----------------------
     Deep      — canvas / page background, always with texture
     Moloko    — primary foreground (text, logo, UI chrome)
     Clockwork — pop highlight: CTAs, focus, "needs attention" states
     Electric  — RARE pop; reserve for genuinely important moments only
     These are the *source* palette. Everything else in the stylesheet
     derives from the semantic aliases below, so a rebrand is a 4-line edit.
     --- */
  --brand-deep:      #191919;
  --brand-moloko:    #c3c3c3;
  --brand-clockwork: #e78453;
  --brand-electric:  #7bd473;

  /* --- Brand typography. 2 faces + 1 accent. --- */
  --brand-font-display: "Neue Montreal", system-ui, -apple-system, "Segoe UI", sans-serif;
  --brand-font-body:    "Neue Montreal", system-ui, -apple-system, "Segoe UI", sans-serif;
  --brand-font-accent:  "Playfair Display", Georgia, "Times New Roman", serif;

  /* --- Background texture. Drop in any tileable image + adjust size/blend. --- */
  --brand-texture:       url("/static/images/texture.png");
  --brand-texture-size:  960px auto;
  --brand-texture-blend: overlay;
  --brand-texture-opacity: 1;   /* set to 0 to disable the texture */
}

/* 2. Semantic tokens ──────────────────────────────────────────────────────── */

:root {
  /* Semantic aliases. Stylesheet code references these roles, never the
     brand names directly — so if the brand colour of, say, the canvas
     changes, every rule in the stylesheet repaints without editing a
     single selector. CSS custom properties are resolved lazily, so
     overrides at a narrower scope (e.g. a `[data-theme]` class) cascade
     through every dependent variable automatically. */
  --color-canvas:   var(--brand-deep);
  --color-ink:      var(--brand-moloko);
  --color-accent:   var(--brand-clockwork);  /* primary CTAs + needs-attention */
  --color-emphasis: var(--brand-electric);   /* reserved — rare, deliberate pop */

  /* Derived neutral tints — key off `--color-ink` so changing Moloko
     also recolours every border, hint, and surface. */
  --color-muted:    color-mix(in oklch, var(--color-ink) 65%, transparent);
  --color-faint:    color-mix(in oklch, var(--color-ink) 20%, transparent);
  --color-surface:  color-mix(in oklch, var(--color-ink)  8%, transparent);
  --color-scrim:    color-mix(in oklch, var(--color-canvas) 80%, transparent);
  --color-backdrop: color-mix(in oklch, var(--color-canvas) 82%, transparent);

  /* Fonts via semantic slots */
  --font-display: var(--brand-font-display);
  --font-body:    var(--brand-font-body);
  --font-accent:  var(--brand-font-accent);

  /* Type scale (fluid) */
  --fs-hero:    clamp(3rem, 12vw, 10.5rem);
  --fs-display: clamp(2.5rem, 7vw, 6rem);
  --fs-h1:      clamp(2rem, 5vw, 3.75rem);
  --fs-h2:      clamp(1.75rem, 3.5vw, 3rem);
  --fs-h3:      clamp(1.25rem, 2vw, 2rem);
  --fs-lede:    clamp(0.95rem, 1.1vw, 1.25rem);
  --fs-body:    1rem;
  --fs-small:   0.875rem;
  --fs-micro:   0.6875rem;

  /* Rhythm */
  --leading-tight: 0.92;
  --leading-snug:  1.12;
  --leading-body:  1.55;
  --track-wide:    0.14em;
  --track-loose:   0.18em;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --gutter:   clamp(1rem, 1.7vw, 2rem);

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Motion */
  --ease-out:    cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.4, 0, .2, 1);
  --dur-fast:    150ms;
  --dur-med:     300ms;
  --dur-slow:    600ms;
  --dur-reveal:  900ms;

  /* Chrome */
  --nav-h:       110px;
  --content-max: 1800px;
  --reading-max: 1040px;

  color-scheme: dark;
}

/* 3. @font-face ───────────────────────────────────────────────────────────── */

@font-face {
  font-family: "Neue Montreal";
  src: url("/static/fonts/neue-montreal-thin.woff2") format("woff2");
  font-weight: 200; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Neue Montreal";
  src: url("/static/fonts/neue-montreal-book.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Neue Montreal";
  src: url("/static/fonts/neue-montreal-italic.woff2") format("woff2");
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "Neue Montreal";
  src: url("/static/fonts/neue-montreal-medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Neue Montreal";
  src: url("/static/fonts/neue-montreal-bold.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Neue Montreal";
  src: url("/static/fonts/neue-montreal-semibolditalic.woff2") format("woff2");
  font-weight: 600; font-style: italic; font-display: swap;
}

/* Playfair Display — self-hosted latin subset (GDPR: no Google Fonts CDN) */
@font-face {
  font-family: "Playfair Display";
  src: url("/static/fonts/playfair-display.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Playfair Display";
  src: url("/static/fonts/playfair-display-italic.woff2") format("woff2");
  font-weight: 400; font-style: italic; font-display: swap;
}

/* 4. Reset + element defaults ────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
:where(ul, ol) { padding: 0; list-style: none; }
button { background: none; border: 0; padding: 0; cursor: pointer; color: inherit; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--color-ink); outline-offset: 3px; border-radius: 3px; }

/* A "canvas surface" = brand-canvas colour + brand texture, blended.
   Any element that needs to present as the page canvas (body, hero
   backdrop, solid hero band, dialog shells) picks this up via the
   selector list below — so the texture stays consistent wherever the
   canvas colour appears. */
body,
section.hero,
section.hero > .words > header,
dialog {
  background-color: var(--color-canvas);
  background-image: var(--brand-texture);
  background-repeat: repeat;
  background-size: var(--brand-texture-size);
  background-blend-mode: var(--brand-texture-blend);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--leading-body);
  color: var(--color-muted);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
}
body > main { flex: 1; }

/* Headings — uppercase display face, unified rhythm */
h1, h2, h3, h4, h5 {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-snug);
  text-transform: uppercase;
  letter-spacing: -0.005em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

/* Accent italics — Playfair in any element that uses <em> */
em, i {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-ink);
}

strong { color: var(--color-ink); font-weight: 700; }
small  { font-size: var(--fs-small); color: var(--color-muted); }

/* Inline paragraph rhythm */
p { color: var(--color-muted); }
p strong, p em { color: var(--color-ink); }

/* Generic links inside running text */
main a[href]:not([data-cta]):not([data-lightbox]):not([data-open]) {
  border-bottom: 1px solid var(--color-faint);
  transition: border-color var(--dur-fast) var(--ease-out);
}
main a[href]:not([data-cta]):not([data-lightbox]):not([data-open]):hover {
  border-bottom-color: var(--color-ink);
}

/* Shared button / CTA primitive, driven by a single attribute.
   Works on <a>, <button>, anywhere. Variants via data-cta value.
   Primary = Clockwork pop (the brand-guide'd button colour). */
[data-cta] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-body);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-canvas);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur-med) var(--ease-out),
              color var(--dur-med) var(--ease-out),
              filter var(--dur-med) var(--ease-out);
}
[data-cta]:hover   { transform: translateY(-2px); filter: brightness(1.06); }
[data-cta="ghost"] {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-faint);
}
[data-cta="ghost"]:hover { background: var(--color-surface); filter: none; }

/* 5. Utilities ──────────────────────────────────────────────────────────── */

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 2.5rem, 0);
  transition: opacity var(--dur-reveal) var(--ease-out),
              transform var(--dur-reveal) var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
/* With JS off, show everything immediately. */
html:not(.js) .reveal { opacity: 1; transform: none; }

/* 6. Site header + footer ───────────────────────────────────────────────── */

header[data-site] {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  padding: var(--space-4) var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  pointer-events: none; /* children re-enable — lets scroll work on edges */
}
header[data-site] > * { pointer-events: auto; }

header[data-site] > a {
  display: inline-flex;
  padding: var(--space-2) var(--space-1);
}
header[data-site] > a > img {
  height: 80px;
  width: auto;
  filter: drop-shadow(0 1px 3px rgb(0 0 0 / 55%));
}

header[data-site] > nav[aria-label="Primary"] {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}
header[data-site] nav > a {
  padding: var(--space-4) var(--space-4);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 500;
  line-height: 1.1;
  text-shadow: 0 1px 3px rgb(0 0 0 / 55%);
  transition: opacity var(--dur-fast) var(--ease-out);
}
header[data-site] nav > a:hover { opacity: 0.7; }

header[data-site] nav > a[data-cta] {
  padding: 10px 18px;
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-faint);
  border-radius: var(--radius-pill);
}
header[data-site] nav > a[data-cta]:hover {
  background: var(--color-ink);
  color: var(--color-canvas);
  opacity: 1;
  transform: none;
}

/* Social icon row (header + footer share the pattern) */
[data-social] {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}
[data-social] > li { display: inline-flex; }
[data-social] > li > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-ink);
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
[data-social] > li > a:hover {
  background: var(--color-ink);
  color: var(--color-canvas);
  transform: translateY(-1px);
}
[data-social] > li > a > svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  stroke: currentColor;
  filter: drop-shadow(0 1px 2px rgb(0 0 0 / 40%));
}
[data-social] > li > a:hover > svg { filter: none; }

/* Sprite definitions stay in the DOM but must not paint anywhere */
svg[data-sprite] { position: absolute; width: 0; height: 0; overflow: hidden; }

header[data-site] > button[data-menu-toggle] {
  display: none;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
}
header[data-site] > button[data-menu-toggle]:hover { background: var(--color-surface); }

header[data-site] > nav#mobile-menu {
  display: none;
}
header[data-site] > nav#mobile-menu[hidden] { display: none; }

footer[data-site] {
  border-top: 1px solid var(--color-faint);
  padding: var(--space-6) var(--gutter);
  color: var(--color-muted);
  font-size: var(--fs-small);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-5);
}
footer[data-site] > section     { justify-self: start; }
footer[data-site] > nav         { justify-self: center; display: flex; gap: var(--space-4); flex-wrap: wrap; justify-content: center; }
footer[data-site] > nav > a     {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  transition: opacity var(--dur-fast) var(--ease-out);
}
footer[data-site] > nav > a > em { color: var(--color-muted); }
footer[data-site] > nav > a:hover { opacity: 0.7; }
footer[data-site] > [data-social] { justify-self: end; }

@media (max-width: 760px) {
  footer[data-site] {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: var(--space-4);
  }
  footer[data-site] > section,
  footer[data-site] > nav,
  footer[data-site] > [data-social] { justify-self: center; }
}

/* --- Services ----------------------------------------------------------- */
section.services {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: calc(var(--nav-h) + var(--space-9)) var(--gutter) var(--space-9);
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

/* Hero band */
section.services > header.services-hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 60ch;
}
section.services > header.services-hero > .kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
}
section.services > header.services-hero > h1 {
  font-size: clamp(3rem, 10vw, 8rem);
  line-height: 0.9;
  color: var(--color-ink);
  margin-top: var(--space-3);
}
section.services > header.services-hero > h1 > span {
  display: block;
  text-transform: uppercase;
}
section.services > header.services-hero > h1 > em {
  display: block;
  margin-top: -0.05em;
  padding-left: 0.3ch;
}
section.services > header.services-hero > p.lede {
  font-size: var(--fs-lede);
  color: var(--color-ink);
  margin-top: var(--space-5);
  max-width: 56ch;
  line-height: var(--leading-body);
}

/* Operators / positioning band — bridge from the Process section into
   the Open-source section. Has its own kicker so the rhythm matches
   the other sibling sections (Process, Technology, Q&A). */
section.services > .services-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-5) var(--space-9);
  align-items: start;
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-faint);
  border-bottom: 1px solid var(--color-faint);
}
section.services > .services-intro > p.kicker {
  grid-column: 1 / -1;
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: calc(-1 * var(--space-3));
}
section.services > .services-intro > h2 {
  font-size: var(--fs-display);
  line-height: 0.95;
  color: var(--color-ink);
}
section.services > .services-intro > p:not(.kicker) {
  font-size: 1.05rem;
  max-width: 52ch;
  line-height: var(--leading-body);
}
section.services > .services-intro > p:not(.kicker) + p:not(.kicker) {
  grid-column: 2;
}

/* Service tiles — alternating image/text rhythm */
section.services > .services-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}
section.services > .services-grid > article.service-tile {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: center;
}
/* Flip every second tile so images alternate side */
section.services > .services-grid > article.service-tile:nth-child(even) > figure {
  grid-column: 2;
  grid-row: 1;
}
section.services > .services-grid > article.service-tile:nth-child(even) > .tile-body {
  grid-column: 1;
  grid-row: 1;
}
section.services article.service-tile > figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  isolation: isolate;
}
section.services article.service-tile > figure > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
  transition: transform var(--dur-slow) var(--ease-out),
              filter var(--dur-med) var(--ease-out);
  filter: saturate(0.95);
}
section.services article.service-tile:hover > figure > img {
  transform: scale(1.02);
  filter: saturate(1.05);
}
section.services article.service-tile > .tile-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
section.services article.service-tile .tile-kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-accent);
}
section.services article.service-tile .tile-body > h3 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}
section.services article.service-tile .tile-and {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--color-muted);
  font-size: 0.75em;
  padding: 0 0.2ch;
}
section.services article.service-tile .tile-sub {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-muted);
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}
section.services article.service-tile .tile-capabilities {
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1) var(--space-5);
  margin-top: var(--space-3);
  font-size: var(--fs-small);
  color: var(--color-ink);
}
section.services article.service-tile .tile-capabilities > li {
  position: relative;
  padding-left: 1em;
  padding-top: 4px;
  padding-bottom: 4px;
  border-top: 1px solid var(--color-faint);
}
section.services article.service-tile .tile-capabilities > li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
section.services article.service-tile .tile-cta {
  margin-top: var(--space-4);
}
section.services article.service-tile .tile-cta > a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  transition: filter var(--dur-fast) var(--ease-out);
}
section.services article.service-tile .tile-cta > a:hover {
  filter: brightness(1.15);
}

/* Process */
section.services > .services-process > header {
  max-width: 48ch;
  margin-bottom: var(--space-7);
}
section.services > .services-process > header > .kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}
section.services > .services-process > header > h2 {
  font-size: var(--fs-display);
  line-height: 0.95;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}
section.services > .services-process > header > p.lede {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-muted);
  font-size: 1.2rem;
}
section.services ol.process-steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
  padding: 0;
  list-style: none;
}
section.services ol.process-steps > li {
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-ink);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
section.services ol.process-steps .step-no {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: var(--track-wide);
  color: var(--color-accent);
}
section.services ol.process-steps > li > h3 {
  font-size: 1.5rem;
  color: var(--color-ink);
}
section.services ol.process-steps > li > p {
  font-size: 0.95rem;
  line-height: var(--leading-body);
}

/* OSS / technology */
section.services > .services-oss {
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-faint);
}
section.services > .services-oss > header { max-width: 68ch; margin-bottom: var(--space-6); }
section.services > .services-oss > header > .kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}
section.services > .services-oss > header > h2 {
  font-size: var(--fs-h2);
  line-height: var(--leading-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}
section.services > .services-oss > header > p.lede {
  font-size: 1.05rem;
  max-width: 56ch;
}
section.services ul.oss-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  padding: 0;
  list-style: none;
}
section.services ul.oss-list > li {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-faint);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
section.services ul.oss-list > li > h3 {
  font-size: 1.5rem;
  color: var(--color-ink);
}
section.services ul.oss-list > li > p.oss-tag {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-muted);
  font-size: 1rem;
  margin-top: calc(-1 * var(--space-1));
}
section.services ul.oss-list > li > p.oss-link {
  margin-top: auto;
  padding-top: var(--space-2);
  line-height: 1.4;
}
section.services ul.oss-list > li > p.oss-link > small {
  color: var(--color-muted);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  font-size: var(--fs-small);
}
section.services ul.oss-list > li > p.oss-link a {
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-faint);
  transition: border-color var(--dur-fast) var(--ease-out);
}
section.services ul.oss-list > li > p.oss-link a:hover {
  border-bottom-color: var(--color-accent);
}
section.services > .services-oss > p.oss-bottom {
  margin-top: var(--space-6);
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-ink);
  font-size: 1.1rem;
  max-width: 48ch;
}

/* FAQ (native <details>) */
section.services > .services-faq > header {
  max-width: 48ch;
  margin-bottom: var(--space-6);
}
section.services > .services-faq > header > .kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}
section.services > .services-faq > header > h2 {
  font-size: var(--fs-display);
  line-height: 0.95;
  color: var(--color-ink);
}
section.services div.faq-list > details {
  border-top: 1px solid var(--color-faint);
  padding: var(--space-5) 0;
}
section.services div.faq-list > details:last-child {
  border-bottom: 1px solid var(--color-faint);
}
section.services div.faq-list > details > summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding-right: 3rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  color: var(--color-ink);
  line-height: 1.3;
}
section.services div.faq-list > details > summary::-webkit-details-marker { display: none; }
section.services div.faq-list > details > summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: -4px;
  font-size: 1.75rem;
  font-weight: 200;
  color: var(--color-accent);
  transition: transform var(--dur-fast) var(--ease-out);
  transform-origin: center;
  line-height: 1;
}
section.services div.faq-list > details[open] > summary::after {
  content: "×";
  transform: rotate(0deg);
}
section.services div.faq-list > details > p {
  margin-top: var(--space-4);
  max-width: 68ch;
  line-height: var(--leading-body);
  font-size: 1rem;
  color: var(--color-ink);
}

/* Page CTA */
section.services > .services-cta {
  text-align: center;
  padding: var(--space-9) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  border-top: 1px solid var(--color-faint);
}
section.services > .services-cta > h2 {
  font-size: var(--fs-display);
  line-height: 0.95;
  color: var(--color-ink);
}
section.services > .services-cta > h2 > em {
  display: inline-block;
  margin-top: 0.1em;
}
section.services > .services-cta > p {
  max-width: 42ch;
  font-size: 1rem;
}
section.services > .services-cta > p > .cta-from {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-muted);
}
section.services > .services-cta > [data-cta] { margin-top: var(--space-4); }

/* Services — responsive */
@media (max-width: 900px) {
  section.services > .services-intro { grid-template-columns: 1fr; gap: var(--space-5); }
  section.services > .services-intro > p + p { grid-column: 1; }
  section.services > .services-grid > article.service-tile,
  section.services > .services-grid > article.service-tile:nth-child(even) {
    grid-template-columns: 1fr;
  }
  section.services > .services-grid > article.service-tile:nth-child(even) > figure,
  section.services > .services-grid > article.service-tile:nth-child(even) > .tile-body {
    grid-column: 1;
    grid-row: auto;
  }
  section.services article.service-tile .tile-capabilities {
    grid-template-columns: 1fr;
  }
  section.services ol.process-steps { grid-template-columns: 1fr 1fr; }
  section.services ul.oss-list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  section.services ol.process-steps { grid-template-columns: 1fr; }
  section.services > .services-oss { padding: var(--space-5); }
}

/* Primary nav "Services" text link sits to the left of social icons */
header[data-site] nav[aria-label="Primary"] > a:not([data-cta]):first-of-type {
  margin-right: var(--space-2);
}

/* --- Admin --------------------------------------------------------------- */
section.admin {
  max-width: var(--reading-max);
  margin-inline: auto;
  padding: calc(var(--nav-h) + var(--space-8)) var(--gutter) var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.admin-head > .kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}
.admin-head > h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: var(--leading-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-6);
}
.admin-identity {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: var(--space-3) var(--space-5);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-faint);
  border-bottom: 1px solid var(--color-faint);
  margin-bottom: var(--space-5);
}
.admin-identity > dt {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--color-muted);
}
.admin-identity > dd { color: var(--color-ink); }

.admin-nav > h2 {
  font-size: var(--fs-h3);
  color: var(--color-ink);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-5);
}
.admin-nav > ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}
.admin-nav > ul > li > a {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  border: 1px solid var(--color-faint);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  background: var(--color-surface);
  transition: border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}
.admin-nav > ul > li > a:hover {
  border-color: var(--color-ink);
  background: color-mix(in oklch, var(--color-ink) 4%, transparent);
}
.admin-nav > ul > li > a > strong {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 1rem;
}
.admin-nav > ul > li > a > em {
  font-family: var(--font-accent);
  font-size: var(--fs-small);
  color: var(--color-muted);
}

/* --- Admin · contacts list ------------------------------------------- */
.admin-head .admin-back {
  margin-top: var(--space-4);
}
.admin-head .admin-back > a {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  letter-spacing: 0.02em;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-faint);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease-out);
}
.admin-head .admin-back > a:hover { color: var(--color-ink); }

section.admin-contacts { margin-top: var(--space-6); }
section.admin-contacts .admin-empty {
  padding: var(--space-7) 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}
section.admin-contacts .admin-count {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  letter-spacing: 0.02em;
  color: var(--color-muted);
  margin-bottom: var(--space-5);
}
section.admin-contacts > ul {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  list-style: none;
}
section.admin-contacts > ul > li {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-faint);
}
section.admin-contacts > ul > li:last-child {
  border-bottom: 1px solid var(--color-faint);
}
section.admin-contacts > ul > li > header {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}
section.admin-contacts > ul > li > header > h3 {
  font-size: 1.25rem;
  color: var(--color-ink);
  letter-spacing: 0.01em;
}
section.admin-contacts .contact-meta {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  color: var(--color-muted);
  letter-spacing: 0.02em;
}
section.admin-contacts .contact-meta > a {
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-faint);
  transition: border-color var(--dur-fast) var(--ease-out);
}
section.admin-contacts .contact-meta > a:hover {
  border-bottom-color: var(--color-accent);
}
section.admin-contacts .contact-meta > time {
  font-variant-numeric: tabular-nums;
}
section.admin-contacts .contact-msg {
  color: var(--color-ink);
  white-space: pre-wrap;
  line-height: var(--leading-body);
  max-width: 72ch;
}
section.admin-contacts .contact-ua {
  margin-top: var(--space-3);
  color: var(--color-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  word-break: break-all;
}

/* --- Legal pages (Impressum, Datenschutz) ------------------------------ */
section.legal {
  max-width: var(--reading-max);
  margin-inline: auto;
  padding: calc(var(--nav-h) + var(--space-8)) var(--gutter) var(--space-10);
  color: var(--color-muted);
}
section.legal > header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-faint);
}
section.legal > header > .kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}
section.legal > header > h1 {
  font-size: clamp(2.75rem, 6vw, 5rem);
  line-height: var(--leading-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}
section.legal > header > h1 > span {
  display: inline-block;
  text-transform: uppercase;
}
section.legal > header > h1 > em {
  display: inline-block;
  margin-left: 0.4ch;
}
section.legal > header > p.tagline {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 52ch;
}

section.legal > article {
  padding: var(--space-7) 0;
}
section.legal > article + article {
  border-top: 1px solid var(--color-faint);
}
section.legal > article > h2 {
  font-size: var(--fs-h3);
  color: var(--color-ink);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
section.legal > article > h3 {
  font-size: 1rem;
  color: var(--color-ink);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  margin: var(--space-6) 0 var(--space-3);
}
section.legal > article > p,
section.legal > article > ul {
  margin-bottom: var(--space-4);
  max-width: 68ch;
  line-height: var(--leading-body);
}
section.legal > article > ul {
  padding-left: 0;
  list-style: none;
}
section.legal > article > ul > li {
  position: relative;
  padding-left: 1.5em;
}
section.legal > article > ul > li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-muted);
}
section.legal > article .note {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-muted);
  padding: var(--space-3) var(--space-4);
  border-left: 2px solid var(--color-faint);
  margin-bottom: var(--space-6);
}
section.legal code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  padding: 1px 5px;
  background: var(--color-surface);
  border-radius: var(--radius-xs);
}

/* 7. Home sections ─────────────────────────────────────────────────────── */

/* -- Hero --------------------------------------------------------------- */
section.hero {
  position: relative;
  min-height: 200vh;
  padding: 0 var(--gutter) 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  /* canvas surface (colour + texture) applied by shared selector above */
}

/* Sticky video layer. The <figure> holds <video> + <figcaption>. */
section.hero > a.feature {
  position: absolute;
  inset: 0 var(--gutter);
}
section.hero > a.feature > video,
section.hero > a.feature > figcaption {
  position: absolute;
}
section.hero > a.feature > video {
  inset: 0;
  width: 100%;
  height: 100vh;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  top: 0;
  position: sticky;
}
section.hero > a.feature > figcaption {
  inset: auto 0 0 0;
  bottom: 0;
  padding: var(--space-9) var(--space-6) var(--space-6);
  color: var(--color-ink);
  background: linear-gradient(to top, rgb(0 0 0 / 70%), transparent);
  pointer-events: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
section.hero > a.feature > figcaption > strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}
section.hero > a.feature > figcaption > em {
  font-size: var(--fs-body);
}

/* Copy overlay: a solid-black header band, then a multiply cutout band. */
section.hero > .words {
  position: relative;
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  pointer-events: none;   /* clicks pass through to video */
}
section.hero > .words > header {
  flex: 1;
  /* canvas surface (colour + texture) applied by shared selector above */
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: end;
  gap: var(--space-5) var(--space-6);
  padding: calc(var(--nav-h) + var(--space-6)) 0 var(--space-3);
}
section.hero > .words > header > p.line        { grid-column: 1; }
section.hero > .words > header > p.line:nth-of-type(2) { grid-row: 2; grid-column: 1 / -1; }
section.hero > .words > header > p.lede {
  grid-column: 2;
  grid-row: 1;
  align-self: end;
  justify-self: end;
  max-width: 24ch;
  color: var(--color-ink);
  font-size: var(--fs-lede);
  font-weight: 500;
  line-height: var(--leading-body);
  padding-bottom: 1ch;
}
section.hero > .words > .blend {
  /* Pinned to literal black (not --color-canvas / --brand-deep) because
     the multiply cut-out math requires a pure-black fill: black × video
     = black, white × video = video-through-letters. If this inherited
     Deep (#191919) a faint ghost of the video would bleed through the
     non-letter area of the panel. */
  background: #000000;
  mix-blend-mode: multiply;
}
section.hero > .words > .blend > p.line {
  color: #fff;      /* × video via multiply = video through letters */
}
section.hero > .words > .blend > i {  /* decorative white cap */
  display: block;
  height: 15px;
  background: #fff;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  margin-top: var(--space-4);
}

section.hero p.line {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-ink);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
section.hero p.line > em {
  font-family: var(--font-accent);
}

/* -- Work grid --------------------------------------------------------- */
section.work {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: var(--space-8) var(--gutter) var(--space-9);
}
section.work > ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 27vw;
  gap: 1.2vw;
}
section.work > ul > li { min-width: 0; }
section.work > ul > li.large   { grid-row: span 2; }
section.work > ul > li.heading { grid-column: 1 / -1; align-self: center; padding: var(--space-6) 0; }
section.work > ul > li.prose   { align-self: center; padding: var(--space-4) var(--space-5); }

section.work > ul > li.heading > h2 {
  font-size: var(--fs-display);
  line-height: var(--leading-tight);
  max-width: 24ch;
  color: var(--color-ink);
}
section.work > ul > li.prose > p {
  font-size: var(--fs-body);
  max-width: 52ch;
}
section.work > ul > li.prose > p strong,
section.work > ul > li.prose > p em { color: var(--color-ink); }

/* Project card = li > a > video + figcaption */
section.work > ul > li > a {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 240px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  isolation: isolate;
  transition: transform var(--dur-med) var(--ease-out);
}
section.work > ul > li > a:hover { transform: translateY(-4px); }
section.work > ul > li > a > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95);
  transition: transform var(--dur-slow) var(--ease-out),
              filter var(--dur-med) var(--ease-out);
}
section.work > ul > li > a:hover > video { transform: scale(1.03); filter: saturate(1.05); }
section.work > ul > li > a > figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-9) var(--space-6) var(--space-5);
  background: linear-gradient(to top, rgb(0 0 0 / 70%), transparent 70%);
  pointer-events: none;
  color: var(--color-ink);
}
section.work > ul > li > a > figcaption > strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.2;
  margin-bottom: var(--space-1);
}
section.work > ul > li > a > figcaption > em { font-size: 1rem; opacity: 0.9; }

/* -- CTA --------------------------------------------------------------- */
section.cta {
  padding: var(--space-10) var(--gutter) var(--space-9);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  border-top: 1px solid var(--color-faint);
}
section.cta > h2 {
  font-size: var(--fs-display);
  line-height: var(--leading-tight);
  color: var(--color-ink);
}
section.cta > h2 > em {
  display: inline-block;
  margin-top: 0.1em;
}

/* 8. Contact (shared by page and modal) ─────────────────────────────── */

/* Slate-split layout: title column + form column */
section.contact,
dialog#contact-modal {
  --col-title: 42fr;
  --col-form:  58fr;
}

section.contact {
  max-width: var(--reading-max);
  margin-inline: auto;
  padding: calc(var(--nav-h) + var(--space-9)) var(--gutter) var(--space-10);
  display: grid;
  grid-template-columns: var(--col-title) var(--col-form);
  gap: var(--space-9);
  min-height: 80dvh;
  align-items: start;
}

/* Title column (aside shared by page + modal) */
section.contact > aside,
dialog#contact-modal > aside {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-right: var(--space-7);
  min-height: 280px;
}
section.contact > aside > p.kicker,
dialog#contact-modal > aside > p.kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}
section.contact > aside > h1,
section.contact > aside > h2,
dialog#contact-modal > aside > h2 {
  color: var(--color-ink);
  font-size: clamp(2.75rem, 6vw, 5.25rem);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-5);
}
section.contact > aside > h1 > span,
section.contact > aside > h2 > span,
dialog#contact-modal > aside > h2 > span {
  display: block;
  text-transform: uppercase;
}
section.contact > aside > h1 > em,
section.contact > aside > h2 > em,
dialog#contact-modal > aside > h2 > em {
  display: block;
  margin-top: -0.15em;
  padding-left: 0.4ch;
}
section.contact > aside > p.tagline,
dialog#contact-modal > aside > p.tagline {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-muted);
  font-size: 1.1rem;
}
/* Hairline divider on modal — animates in on open */
dialog#contact-modal > aside > i {
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: var(--color-faint);
  transform-origin: top;
}

/* Form column (form itself shared) */
section.contact > section,
dialog#contact-modal > section { min-width: 0; }

form[action="/contact"] {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
}
form[action="/contact"] > p[role="alert"] {
  border: 1px solid var(--color-accent);
  background: color-mix(in oklch, var(--color-accent) 10%, transparent);
  color: var(--color-ink);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
}
form[action="/contact"] > p[role="alert"][hidden] { display: none; }

/* Each field = a <label> wrapping its <span> (label text) + <input>. */
form[action="/contact"] > label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
form[action="/contact"] > label > span {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--color-muted);
  line-height: 1;
}
form[action="/contact"] > label > span > small {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-muted);
  opacity: 0.7;
  margin-left: 0.5ch;
  font-size: inherit;
}

/* Underlined inputs — box-shadow underline so the focus state grows
   from 1px → 2px without causing layout shift. */
form[action="/contact"] input,
form[action="/contact"] textarea {
  appearance: none;
  width: 100%;
  background: transparent;
  border: 0;
  border-radius: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
  line-height: 1.5;
  padding: 10px 0;
  caret-color: var(--color-ink);
  box-shadow: inset 0 -1px 0 0 var(--color-faint);
  transition: box-shadow var(--dur-med) var(--ease-out);
}
form[action="/contact"] input::placeholder,
form[action="/contact"] textarea::placeholder { color: transparent; }
form[action="/contact"] input:hover,
form[action="/contact"] textarea:hover { box-shadow: inset 0 -1px 0 0 color-mix(in oklch, var(--color-ink) 45%, transparent); }
form[action="/contact"] input:focus,
form[action="/contact"] textarea:focus {
  outline: none;
  box-shadow: inset 0 -2px 0 0 var(--color-ink);
}
form[action="/contact"] input:invalid:not(:placeholder-shown),
form[action="/contact"] textarea:invalid:not(:placeholder-shown) {
  box-shadow: inset 0 -1px 0 0 var(--color-accent);
}
form[action="/contact"] textarea {
  resize: vertical;
  min-height: 132px;
  padding: 12px 0;
  line-height: 1.55;
  font-weight: 400;
  font-size: 1rem;
}

form[action="/contact"] > label.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

form[action="/contact"] > footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  margin-top: var(--space-4);
  flex-wrap: wrap;
  border: 0;
  padding: 0;
}
form[action="/contact"] > footer > small {
  font-family: var(--font-accent);
  font-style: italic;
  max-width: 32ch;
}

/* Submit button — split label, display face + Playfair accent.
   Uses Clockwork (brand-guided pop) so the submit moment feels earned. */
form[action="/contact"] > footer > button {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5ch;
  padding: 14px 26px;
  background: var(--color-accent);
  color: var(--color-canvas);
  border-radius: var(--radius-md);
  line-height: 1;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-out),
              filter var(--dur-med) var(--ease-out);
}
form[action="/contact"] > footer > button:hover { transform: translateY(-2px); filter: brightness(1.06); }
form[action="/contact"] > footer > button > span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-body);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
form[action="/contact"] > footer > button > em {
  font-size: 1.05rem;
  color: var(--color-canvas);
}
/* Busy state — film-leader line animates across the bottom */
form[action="/contact"] > footer > button[aria-busy="true"] { pointer-events: none; }
form[action="/contact"] > footer > button[aria-busy="true"] > span,
form[action="/contact"] > footer > button[aria-busy="true"] > em { opacity: 0.45; }
form[action="/contact"] > footer > button[aria-busy="true"]::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 100%;
  background: var(--color-canvas);
  transform-origin: left;
  animation: leader-line 900ms linear infinite;
}

/* Success panel (shared) */
article[data-success],
section.contact [role="status"] {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-5);
  animation: swap-in var(--dur-med) var(--ease-out);
}
article[data-success][hidden] { display: none; }
article[data-success] > p.kicker,
section.contact [role="status"] > p.kicker {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  color: var(--color-muted);
}
article[data-success] > h3,
section.contact [role="status"] > h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--color-ink);
}
article[data-success] > h3 > em,
section.contact [role="status"] > h2 > em {
  display: block;
  margin-top: 0.2em;
}
article[data-success] > p,
section.contact [role="status"] > p {
  color: var(--color-ink);
  max-width: 44ch;
}
article[data-success] > p > span {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-muted);
}
article[data-success] > button[data-close] {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: var(--track-loose);
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--color-faint);
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  cursor: pointer;
  transition: background var(--dur-med) var(--ease-out), color var(--dur-med) var(--ease-out);
}
article[data-success] > button[data-close]:hover { background: var(--color-ink); color: var(--color-canvas); }

/* 9. Dialogs ────────────────────────────────────────────────────────── */

dialog {
  padding: 0;
  border: 0;
  color: var(--color-ink);
  /* canvas surface applied by shared selector above */
  /* Force viewport centering. Default UA styles do this for a plain
     dialog, but once we set display:grid on the contact modal (or the
     lightbox's fit-content sizing interacts with top-layer rendering)
     some browsers collapse to top-left; explicit inset+margin is
     deterministic. */
  position: fixed;
  inset: 0;
  margin: auto;
}
dialog::backdrop {
  background: var(--color-backdrop);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out);
}
dialog[open]::backdrop { opacity: 1; }
@starting-style {
  dialog[open]::backdrop { opacity: 0; }
}

/* Lightbox */
dialog#lightbox {
  width: min(92vw, 1100px);
  max-height: 92dvh;
  background: transparent;
  overflow: visible;
}
dialog#lightbox[open] { animation: dialog-in var(--dur-med) var(--ease-out); }
dialog#lightbox > iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: var(--radius-md);
  background: #000;
  box-shadow: 0 30px 100px -20px rgb(0 0 0 / 80%);
}
dialog#lightbox > button[data-close] {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-canvas);
  font-size: 1.5rem;
  line-height: 1;
  transition: transform var(--dur-fast) var(--ease-out);
  z-index: 2;
}
dialog#lightbox > button[data-close]:hover { transform: scale(1.08); }

/* Contact modal */
dialog#contact-modal {
  width: min(1040px, 92vw);
  max-height: min(760px, 88dvh);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: var(--col-title) var(--col-form);
}
dialog#contact-modal:not([open]) { display: none; }
dialog#contact-modal[open] { animation: dialog-up 380ms var(--ease-out); }
dialog#contact-modal[open] > aside > i {
  animation: rule-in 500ms var(--ease-out) 120ms backwards;
}
dialog#contact-modal > aside {
  padding: var(--space-9) var(--space-7) var(--space-7) var(--space-8);
  /* inherits dialog's canvas surface; transparent keeps texture continuous */
  background: transparent;
}
dialog#contact-modal > section {
  position: relative;
  padding: var(--space-9) var(--space-8) var(--space-7);
  overflow-y: auto;
}
dialog#contact-modal > button[data-close] {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-canvas);
  font-size: 1.4rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: transform var(--dur-fast) var(--ease-out);
}
dialog#contact-modal > button[data-close]:hover { transform: scale(1.08); }

/* 10. Motion + responsive ──────────────────────────────────────────── */

@keyframes dialog-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes dialog-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes rule-in {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}
@keyframes swap-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes leader-line {
  0%    { transform: scaleX(0); transform-origin: left; }
  55%   { transform: scaleX(1); transform-origin: left; }
  55.01%{ transform-origin: right; }
  100%  { transform: scaleX(0); transform-origin: right; }
}

@media (max-width: 900px) {
  header[data-site] > nav[aria-label="Primary"] { display: none; }
  header[data-site] > button[data-menu-toggle]  { display: inline-flex; }
  header[data-site] > nav#mobile-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    position: absolute;
    top: calc(100% + var(--space-2));
    right: var(--gutter);
    padding: var(--space-5);
    background: var(--color-canvas);
    border: 1px solid var(--color-faint);
    border-radius: var(--radius-md);
    min-width: 220px;
  }
  header[data-site] > nav#mobile-menu[hidden] { display: none; }

  section.hero {
    min-height: 180vh;
    padding-bottom: 100vh;
  }
  section.hero > .words > header {
    grid-template-columns: 1fr;
    padding-top: calc(var(--nav-h) + var(--space-4));
  }
  section.hero > .words > header > p.lede {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
    max-width: 44ch;
  }

  section.work > ul {
    grid-template-columns: 1fr;
    grid-auto-rows: 60vw;
  }
  section.work > ul > li.heading { grid-column: 1 / -1; padding: var(--space-5) 0; }
}

@media (max-width: 760px) {
  section.contact,
  dialog#contact-modal {
    grid-template-columns: 1fr;
  }
  section.contact { gap: var(--space-6); padding-top: calc(var(--nav-h) + var(--space-6)); }
  section.contact > aside,
  dialog#contact-modal > aside { padding-right: 0; min-height: 0; }

  dialog#contact-modal {
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
  }
  dialog#contact-modal > aside > i { display: none; }
  dialog#contact-modal > aside    { padding: var(--space-8) var(--space-5) var(--space-5); }
  dialog#contact-modal > section  { padding: var(--space-5) var(--space-5) var(--space-8); }

  form[action="/contact"] > footer { flex-direction: column; align-items: stretch; }
  form[action="/contact"] > footer > button { justify-content: center; }
}

@media (max-width: 480px) {
  header[data-site] > a > img { height: 56px; }
  section.work > ul { grid-auto-rows: 70vw; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}