/* Atelier Sursass — Strickbau. Every measure derives from one course (Balkenlage). */

:root {
  /* sun-burnt larch, outside */
  --burnt: #241b15;
  --burnt-2: #2c2119;
  --burnt-3: #34271e;
  --joint: #130d09;
  /* weathered and planed larch */
  --weathered: #614b3a;
  --weathered-2: #6a5341;
  --planed: #ead9bf;
  --planed-2: #e0cbab;
  --endgrain: #f1e6d3;
  --honey: #d7b086;
  --ring: #a9805a;
  /* the one chalk line */
  --chalk: #b8362a;
  --chalk-hi: #cf4535;

  --ink-dark: #241b15;
  --ink-dark-2: #5a4636;
  --ink-light: #f1e6d3;
  --ink-light-2: #d7b086;

  --c: clamp(52px, 6.2vw, 84px);          /* one course */
  --gutter: clamp(16px, 4vw, 64px);
  --heads: clamp(22px, 4.6vw, 76px);       /* protruding log heads */

  --f-display: "Archivo", "Arial Narrow", sans-serif;
  --f-text: "Source Serif 4", Georgia, serif;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; scrollbar-color: var(--weathered) var(--burnt); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--burnt);
  color: var(--ink-light);
  font-family: var(--f-text);
  font-size: clamp(1.0625rem, .35vw + .95rem, 1.25rem);
  line-height: 1.55;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  caret-color: var(--chalk);
}
::selection { background: var(--chalk); color: var(--endgrain); }
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--burnt); }
::-webkit-scrollbar-thumb { background: var(--weathered); border: 3px solid var(--burnt); border-radius: 8px; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .22em; text-decoration-thickness: 1px; }
:focus-visible { outline: 3px solid var(--chalk-hi); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { margin: 0; font-family: var(--f-display); font-weight: 800; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--chalk); color: var(--endgrain); padding: 10px 16px; font-family: var(--f-display); font-weight: 700; }
.skip:focus { top: 12px; }

/* ---------- type ---------- */
.h-section {
  font-size: clamp(2.25rem, 4.2vw, 4.25rem);
  font-stretch: 72%;
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--ink-dark);
}
.h-section--light { color: var(--ink-light); }
.h-display {
  font-size: clamp(2.75rem, 6.4vw, 6rem);
  font-stretch: 66%;
  line-height: .9;
  letter-spacing: -.025em;
}
.lede { font-size: clamp(1.125rem, .6vw + 1rem, 1.375rem); max-width: 38ch; }
.note { font-family: var(--f-display); font-size: .8125rem; font-weight: 500; letter-spacing: .02em; opacity: .8; }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--chalk);
  display: inline-flex; align-items: center; gap: .7em;
  min-height: 52px; padding: 0 1.4em;
  background: var(--bg); color: var(--endgrain);
  font-family: var(--f-display); font-weight: 700; font-size: 1.0625rem; font-stretch: 88%;
  letter-spacing: .01em; text-decoration: none;
  border: 0; border-radius: 3px; cursor: pointer;
  transition: background-color .25s var(--ease-out);
}
.btn svg { width: 1.1em; height: 1.1em; fill: none; stroke: currentColor; stroke-width: 2; transition: transform .35s var(--ease-out); }
.btn:hover { --bg: var(--chalk-hi); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { cursor: progress; opacity: .8; }
.btn--small { min-height: 40px; font-size: .9375rem; padding: 0 1.05em; }
.link { font-family: var(--f-display); font-weight: 600; font-stretch: 88%; color: var(--ink-light-2); text-decoration: underline; text-decoration-color: color-mix(in srgb, currentColor 45%, transparent); }
.link:hover { color: var(--ink-light); text-decoration-color: var(--chalk); }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: clamp(16px, 3vw, 40px);
  height: 68px; padding: 0 var(--gutter) 0 calc(var(--heads) + clamp(14px, 2.4vw, 36px));
  color: var(--ink-light);
  transition: background-color .4s var(--ease-out), transform .45s var(--ease-out);
}
.nav.is-solid { background: var(--burnt); box-shadow: inset 0 -2px 0 var(--joint); }
.nav.is-hidden { transform: translateY(-100%); }
.nav__brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--f-display); font-weight: 800; font-stretch: 75%; font-size: 1.25rem; letter-spacing: .005em; }
.nav__mark { width: 26px; height: 26px; }
.nav__mark rect { fill: var(--honey); }
.nav__mark circle { fill: none; stroke: var(--ring); stroke-width: 1.6; }
.nav__links { display: flex; gap: clamp(14px, 2.2vw, 32px); margin-left: auto; font-family: var(--f-display); font-weight: 600; font-stretch: 88%; font-size: .9375rem; }
.nav__links a { text-decoration: none; padding: 6px 0; background: linear-gradient(var(--chalk), var(--chalk)) left bottom / 0 2px no-repeat; transition: background-size .35s var(--ease-out); }
.nav__links a:hover { background-size: 100% 2px; }
.nav__toggle { display: none; }

.menu { position: fixed; inset: 0; z-index: 45; background: var(--burnt); padding: 96px var(--gutter) 32px calc(var(--heads) + 18px); }
.menu nav { display: flex; flex-direction: column; }
.menu a { font-family: var(--f-display); font-weight: 800; font-stretch: 70%; font-size: 2.5rem; line-height: 1; text-decoration: none; padding: 16px 0; box-shadow: inset 0 -2px 0 var(--joint); }
.menu .menu__cta { color: var(--chalk-hi); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  height: 100svh; min-height: 620px; max-height: 1100px;
  display: grid;
  grid-template-rows: repeat(11, minmax(0, 1fr));
  grid-template-columns: var(--heads) clamp(14px, 2.4vw, 36px) minmax(0, 1.15fr) minmax(0, .85fr) var(--gutter);
  overflow: clip;
  background: var(--burnt);
}
.courses { position: absolute; inset: 0; display: grid; grid-template-rows: repeat(11, minmax(0, 1fr)); }
.course {
  position: relative;
  background: var(--burnt);
  box-shadow: inset 0 -2px 0 var(--joint), inset 0 1px 0 rgba(241, 230, 211, .045);
}
.course:nth-child(even) { background: var(--burnt-2); }
.course:nth-child(3n) { background: var(--burnt-3); }
/* end grain of the crossing wall, every other course */
.course__head {
  position: absolute; top: 4px; bottom: 6px; left: 0;
  width: calc(var(--heads) - 4px);
  border-radius: 0 12px 12px 0;
  background: var(--honey) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 70' preserveAspectRatio='xMidYMid slice'%3E%3Cg fill='none' stroke='%23a9805a' stroke-width='1.4'%3E%3Cellipse cx='30' cy='37' rx='34' ry='28'/%3E%3Cellipse cx='29' cy='38' rx='24' ry='19'/%3E%3Cellipse cx='28' cy='39' rx='14' ry='11'/%3E%3Cellipse cx='27' cy='39' rx='5' ry='4'/%3E%3Cpath d='M27 39 L70 8' stroke-width='1'/%3E%3C/g%3E%3C/svg%3E") center / cover no-repeat;
}
.course__head--side { width: calc(var(--heads) * .55); background: var(--weathered); border-radius: 0 6px 6px 0; }

.hero__chalk {
  grid-row: 3; grid-column: 1 / -1;
  align-self: start; height: 3px; margin-top: -1.5px;
  background: var(--chalk); transform-origin: left center; z-index: 2;
}
.hero__title {
  grid-row: 3 / 6; grid-column: 3 / 5;
  align-self: center; z-index: 3;
  font-size: clamp(3.5rem, 10.4vw, 10.5rem);
  font-stretch: 62%; font-weight: 850;
  line-height: .84; letter-spacing: -.025em;
  color: var(--endgrain);
}
.hero__title .line { display: block; overflow: clip; padding-bottom: .04em; }
.hero__title .line > span { display: inline-block; }
.hero__claim {
  grid-row: 6 / 8; grid-column: 3; align-self: center; z-index: 3;
  max-width: 30ch; padding-right: 24px;
  font-size: clamp(1.125rem, .9vw + .8rem, 1.5rem); line-height: 1.4; color: var(--ink-light-2);
}
.hero__actions { grid-row: 8; grid-column: 3; align-self: center; z-index: 3; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; }
.hero__meta {
  grid-row: 10; grid-column: 3; align-self: center; z-index: 3;
  display: flex; flex-wrap: wrap; gap: 4px 28px;
  font-family: var(--f-display); font-size: .875rem; font-weight: 500; font-stretch: 90%; letter-spacing: .03em; color: var(--ink-light-2);
}
.hero__photo { grid-row: 2 / 11; grid-column: 4; margin: 0; position: relative; z-index: 2; overflow: hidden; background: var(--weathered); }
.hero__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 70%; }
.hero__photo figcaption {
  position: absolute; left: 0; bottom: 0; padding: 8px 14px;
  background: var(--burnt); color: var(--ink-light-2);
  font-family: var(--f-display); font-size: .8125rem; font-weight: 500; letter-spacing: .02em;
}

/* ---------- framed photos (parallax inside a fixed frame) ---------- */
.frame { overflow: hidden; height: 100%; }
.frame img { width: 100%; height: 118%; object-fit: cover; will-change: transform; }
figure { margin: 0; }
figcaption { font-family: var(--f-display); font-size: .8125rem; font-weight: 500; letter-spacing: .02em; margin-top: 10px; }

/* ---------- haltung (planed wood, inside) ---------- */
.haltung {
  background: var(--planed); color: var(--ink-dark);
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--c) clamp(32px, 6vw, 112px);
  padding: calc(var(--c) * 2) var(--gutter) calc(var(--c) * 2) calc(var(--heads) + clamp(14px, 2.4vw, 36px));
  box-shadow: inset 0 3px 0 var(--chalk);
}
.haltung__photo { position: sticky; top: calc(68px + var(--c) * .5); height: min(78svh, 820px); display: grid; grid-template-rows: 1fr auto; }
.haltung__photo figcaption { color: var(--ink-dark-2); }
.haltung__text { display: flex; flex-direction: column; gap: calc(var(--c) * .75); padding-top: 8px; }
.statement {
  font-family: var(--f-text); font-weight: 400;
  font-size: clamp(1.75rem, 2.6vw + .6rem, 3.25rem); line-height: 1.22; letter-spacing: -.012em;
  max-width: 22ch;
}
.statement .w { display: inline-block; }
.principles { margin-top: calc(var(--c) * .5); }
.principle {
  display: grid; grid-template-columns: minmax(0, 15ch) minmax(0, 1fr); gap: 12px 32px;
  padding: calc(var(--c) * .4) 0 calc(var(--c) * .45);
  box-shadow: inset 0 2px 0 var(--planed-2), inset 0 3px 0 rgba(36, 27, 21, .18);
}
.principle h3 { font-size: clamp(1.375rem, 1.3vw + .9rem, 1.875rem); font-stretch: 75%; line-height: 1; }
.principle p { color: var(--ink-dark-2); max-width: 48ch; }

/* ---------- projekte (pinned course stack) ---------- */
.projekte { background: var(--burnt); padding-top: calc(var(--c) * 2); }
.projekte__head {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: end; gap: 24px 48px;
  padding: 0 var(--gutter) var(--c) calc(var(--heads) + clamp(14px, 2.4vw, 36px));
}
.projekte__head p { color: var(--ink-light-2); max-width: 40ch; }
.projekte__head .note { display: block; margin-top: 8px; color: var(--ink-light-2); }

.stack { position: relative; overflow: clip; }
.lage {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  min-height: 100svh;
  background: var(--burnt-2);
  box-shadow: inset 0 3px 0 var(--joint);
}
.lage--b { background: var(--weathered); }
.lage--c { background: var(--burnt-3); }
.lage--d { background: var(--weathered-2); }
.lage--b, .lage--d { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.lage--b .lage__img, .lage--d .lage__img { order: 2; }
.lage__img { position: relative; overflow: hidden; }
.lage__img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lage__body {
  display: flex; flex-direction: column; justify-content: center; gap: 18px;
  padding: calc(68px + var(--c) * .5) clamp(24px, 4.5vw, 80px) var(--c);
}
.lage__count { font-family: var(--f-display); font-size: .875rem; font-weight: 500; letter-spacing: .03em; color: var(--ink-light-2); font-variant-numeric: tabular-nums; }
.lage__count span { color: var(--endgrain); font-weight: 700; }
.lage--b .lage__count, .lage--d .lage__count, .lage--b .lage__place, .lage--d .lage__place { color: var(--endgrain); }
.lage h3 { font-size: clamp(2.75rem, 5.2vw, 5.5rem); font-stretch: 64%; line-height: .88; letter-spacing: -.02em; color: var(--endgrain); }
.lage__place { font-family: var(--f-display); font-weight: 600; font-stretch: 88%; color: var(--ink-light-2); }
.lage__body > p:not([class]) { max-width: 40ch; }
.facts { display: grid; grid-template-columns: 1fr 1fr; margin: 12px 0 0; }
.facts div { padding: 12px 16px 12px 0; box-shadow: inset 0 2px 0 rgba(19, 13, 9, .55); }
.facts dt { font-family: var(--f-display); font-size: .8125rem; font-weight: 500; letter-spacing: .03em; opacity: .85; }
.facts dd { margin: 2px 0 0; font-family: var(--f-display); font-weight: 700; font-stretch: 85%; font-size: 1.0625rem; font-variant-numeric: tabular-nums; }

/* ---------- material (Holzliste) ---------- */
.material {
  background: var(--planed); color: var(--ink-dark);
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--c) clamp(32px, 6vw, 112px);
  padding: calc(var(--c) * 2) var(--gutter) calc(var(--c) * 2) calc(var(--heads) + clamp(14px, 2.4vw, 36px));
  align-items: start;
}
.material__text { display: flex; flex-direction: column; gap: calc(var(--c) * .5); }
.material .lede { color: var(--ink-dark-2); }
.material__photo { height: min(76svh, 760px); display: grid; grid-template-rows: 1fr auto; }
.material__photo figcaption { color: var(--ink-dark-2); }
.table-wrap { overflow-x: auto; margin-top: 8px; }
.holzliste { width: 100%; min-width: 560px; border-collapse: collapse; font-family: var(--f-display); font-stretch: 90%; font-variant-numeric: tabular-nums; }
.holzliste caption { text-align: left; font-weight: 800; font-stretch: 75%; font-size: 1.25rem; padding-bottom: 12px; }
.holzliste caption span { font-weight: 500; font-size: .875rem; color: var(--ink-dark-2); }
.holzliste th { text-align: left; font-size: .8125rem; font-weight: 600; letter-spacing: .03em; color: var(--ink-dark-2); padding: 10px 12px 10px 0; box-shadow: inset 0 -3px 0 var(--ink-dark); }
.holzliste td { padding: 14px 12px 14px 0; font-size: 1rem; box-shadow: inset 0 -1px 0 rgba(36, 27, 21, .25); }
.holzliste td:first-child { color: #9e2c21; font-weight: 800; width: 3.5em; }
.holzliste .num { text-align: right; padding-right: 28px; }

/* ---------- ablauf (corner joint) ---------- */
.ablauf { background: var(--burnt); }
.ablauf__pin {
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  grid-template-rows: auto 1fr;
  gap: calc(var(--c) * .6) clamp(32px, 6vw, 112px);
  padding: calc(68px + var(--c) * .75) var(--gutter) calc(var(--c) * .75) 0;
}
.ablauf__intro { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 16px clamp(32px, 6vw, 112px); align-items: end; padding-left: calc(var(--heads) + clamp(14px, 2.4vw, 36px)); }
.ablauf__intro p { color: var(--ink-light-2); max-width: 36ch; }
.ablauf__joint { align-self: center; }
.ablauf__joint svg { width: 100%; height: auto; max-height: 62svh; display: block; overflow: visible; }
.ablauf__joint .bar { fill: var(--burnt-3); stroke: var(--joint); stroke-width: 2; }
.ablauf__joint .bar--lit { fill: var(--weathered); }
.ablauf__joint .bar-end { fill: var(--weathered-2); }
.ablauf__joint .eg { fill: var(--honey); }
.ablauf__joint .grain { fill: none; stroke: rgba(241, 230, 211, .07); stroke-width: 1.5; }
.ablauf__joint .r { fill: none; stroke: var(--ring); stroke-width: 1.6; }
.ablauf__joint .mark { fill: var(--chalk-hi); font-family: var(--f-display); font-weight: 800; font-size: 22px; letter-spacing: .02em; }

.steps { list-style: none; margin: 0; padding: 0; align-self: center; display: flex; flex-direction: column; }
.step { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); gap: 16px; padding: 18px 0 20px; box-shadow: inset 0 2px 0 var(--joint); transition: opacity .5s var(--ease-out); }
.step__mark { font-family: var(--f-display); font-weight: 800; font-stretch: 70%; font-size: 1.5rem; line-height: 1.2; color: var(--chalk-hi); }
.step h3 { font-size: clamp(1.375rem, 1.2vw + .9rem, 1.875rem); font-stretch: 75%; line-height: 1.05; margin-bottom: 6px; }
.step p { color: var(--ink-light-2); max-width: 46ch; font-size: 1.0625rem; }
.step .step__time { font-family: var(--f-display); font-size: .875rem; font-weight: 600; letter-spacing: .02em; color: var(--endgrain); margin-top: 8px; font-variant-numeric: tabular-nums; }
.is-pinned .step { opacity: .32; }
.is-pinned .step.is-active { opacity: 1; }
.is-pinned .step:not(.is-active) p { display: none; }

/* ---------- atelier ---------- */
.atelier {
  background: var(--burnt-2);
  display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: var(--c) clamp(32px, 6vw, 112px);
  padding: calc(var(--c) * 2) var(--gutter) calc(var(--c) * 2) calc(var(--heads) + clamp(14px, 2.4vw, 36px));
  box-shadow: inset 0 2px 0 var(--joint);
  align-items: center;
}
.atelier__photo { aspect-ratio: 3 / 2; }
.atelier__text { display: flex; flex-direction: column; gap: calc(var(--c) * .5); }
.atelier .h-section { color: var(--ink-light); }
.atelier .lede { color: var(--ink-light-2); }
.people { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 32px; }
.person { padding-top: 16px; border-top: 2px solid var(--joint); }
.person h3 { font-size: 1.375rem; font-stretch: 78%; margin-bottom: 6px; }
.person p { color: var(--ink-light-2); font-size: 1rem; }

/* ---------- kontakt ---------- */
.kontakt {
  background: var(--burnt);
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--c) clamp(32px, 6vw, 112px);
  padding: calc(var(--c) * 2) var(--gutter) calc(var(--c) * 2) calc(var(--heads) + clamp(14px, 2.4vw, 36px));
  box-shadow: inset 0 3px 0 var(--chalk);
}
.kontakt__intro { display: flex; flex-direction: column; gap: calc(var(--c) * .45); }
.kontakt .lede { color: var(--ink-light-2); }
address { font-style: normal; font-family: var(--f-display); font-stretch: 90%; line-height: 1.6; color: var(--ink-light); padding-top: 16px; box-shadow: inset 0 2px 0 var(--joint); }
address a { color: var(--ink-light-2); }
address a:hover { color: var(--ink-light); }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; align-content: start; }
.field { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 6px; padding: 14px 0 18px; border: 0; margin: 0; min-width: 0; }
.field--half { grid-column: span 1; }
.field label, .field legend { font-family: var(--f-display); font-weight: 600; font-stretch: 90%; font-size: .9375rem; color: var(--ink-light); padding: 0; }
.opt { font-weight: 400; color: var(--ink-light-2); }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: 1.0625rem; color: var(--ink-light);
  background: var(--burnt-2);
  border: 0; border-radius: 3px;
  box-shadow: inset 0 -2px 0 var(--weathered);
  padding: 13px 14px;
  transition: box-shadow .25s var(--ease-out), background-color .25s var(--ease-out);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: #a88c6f; opacity: 1; }
.field input:hover, .field textarea:hover { background: var(--burnt-3); }
.field input:focus, .field textarea:focus { outline: none; background: var(--burnt-3); box-shadow: inset 0 -3px 0 var(--chalk-hi); }
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--chalk-hi); outline-offset: 2px; }
.field.has-error input { box-shadow: inset 0 -3px 0 var(--chalk-hi); }
.field__error { font-family: var(--f-display); font-size: .875rem; font-weight: 600; color: #f08a7c; }

.segmented__opts { display: flex; flex-wrap: wrap; gap: 0; margin-top: 4px; }
.segmented label { position: relative; flex: 1 1 0; min-width: 100px; }
.segmented input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.segmented span {
  display: flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 14px;
  background: var(--burnt-2); color: var(--ink-light-2);
  font-family: var(--f-display); font-weight: 600; font-stretch: 90%;
  box-shadow: inset -2px 0 0 var(--joint);
  transition: background-color .25s var(--ease-out), color .25s var(--ease-out);
}
.segmented label:first-child span { border-radius: 3px 0 0 3px; }
.segmented label:last-child span { border-radius: 0 3px 3px 0; box-shadow: none; }
.segmented input:hover + span { background: var(--burnt-3); color: var(--ink-light); }
.segmented input:checked + span { background: var(--honey); color: var(--ink-dark); }
.segmented input:focus-visible + span { outline: 3px solid var(--chalk-hi); outline-offset: 2px; position: relative; z-index: 1; }

.form__foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; padding-top: 12px; }
.form__hint { font-family: var(--f-display); font-size: .875rem; color: var(--ink-light-2); }
.form__done {
  grid-column: 1 / -1; margin-top: 20px; padding: 22px 24px;
  background: var(--honey); color: var(--ink-dark); border-radius: 3px;
  font-family: var(--f-display); font-weight: 600; font-stretch: 90%; font-size: 1.125rem;
}
.form__done strong { display: block; font-weight: 800; font-stretch: 72%; font-size: 1.75rem; line-height: 1; margin-bottom: 6px; }
.btn .spinner { width: 1.1em; height: 1.1em; border: 2px solid rgba(241, 230, 211, .35); border-top-color: var(--endgrain); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- footer ---------- */
.footer { background: var(--burnt); color: var(--ink-light-2); }
.footer__wall { height: calc(var(--c) * 1.5); display: grid; grid-template-rows: 1fr 1fr; box-shadow: inset 0 2px 0 var(--joint); background: linear-gradient(var(--burnt-2) 50%, var(--burnt-3) 50%); }
.footer__inner { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 16px 48px; padding: var(--c) var(--gutter) var(--c) calc(var(--heads) + clamp(14px, 2.4vw, 36px)); font-family: var(--f-display); font-stretch: 92%; font-size: .9375rem; }
.footer__brand { font-weight: 800; font-stretch: 72%; font-size: 1.75rem; color: var(--ink-light); line-height: 1; }
.credits { grid-column: 2; font-size: .8125rem; }
.credits a { color: var(--ink-light-2); }
.credits a:hover { color: var(--ink-light); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .nav__links { display: none; }
  .nav__cta { margin-left: auto; }
  .nav__toggle {
    display: inline-grid; place-items: center; width: 44px; height: 44px; margin-right: -8px;
    background: none; border: 0; color: inherit; cursor: pointer;
  }
  .nav__bars { display: grid; gap: 6px; width: 24px; }
  .nav__bars i { display: block; height: 2px; background: currentColor; transition: transform .35s var(--ease-out); }
  .nav__toggle[aria-expanded="true"] .nav__bars i:first-child { transform: translateY(4px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] .nav__bars i:last-child { transform: translateY(-4px) rotate(-45deg); }
}

@media (max-width: 900px) {
  .haltung, .material, .atelier, .kontakt { grid-template-columns: minmax(0, 1fr); }
  .haltung__photo { position: relative; top: 0; height: 56svh; }
  .material__photo { order: -1; height: 50svh; }
  .projekte__head { grid-template-columns: minmax(0, 1fr); }
  .lage, .lage--b, .lage--d { grid-template-columns: minmax(0, 1fr); grid-template-rows: 46svh auto; min-height: 0; }
  .lage--b .lage__img, .lage--d .lage__img { order: 0; }
  .lage__body { padding: var(--c) var(--gutter) calc(var(--c) * 1.2) calc(var(--heads) + 14px); }
  .ablauf__pin { grid-template-columns: minmax(0, 1fr); padding: calc(var(--c) * 1.5) var(--gutter) calc(var(--c) * 1.5) 0; }
  .ablauf__intro { grid-template-columns: minmax(0, 1fr); }
  .ablauf__joint { padding-left: calc(var(--heads) * .5); max-width: 520px; }
  .steps { padding-left: calc(var(--heads) + 14px); }
  .footer__inner { grid-template-columns: minmax(0, 1fr); }
  .credits { grid-column: 1; }
}

@media (max-width: 760px) {
  .nav { height: 60px; }
  .nav__cta { display: none; }
  .nav__toggle { margin-left: auto; }
  .hero {
    min-height: 600px;
    grid-template-columns: var(--heads) 14px minmax(0, 1fr) var(--gutter);
  }
  .hero__title { grid-row: 2 / 5; grid-column: 3; align-self: end; padding-bottom: 6px; font-size: clamp(3.4rem, 19vw, 6rem); }
  .hero__chalk { grid-row: 5; }
  .hero__claim { grid-row: 5 / 7; grid-column: 3; padding-right: 0; align-self: center; font-size: 1.0625rem; }
  .hero__actions { grid-row: 7; grid-column: 3; gap: 10px 20px; }
  .hero__actions .btn { min-height: 48px; }
  .hero__photo { grid-row: 8 / 12; grid-column: 3 / 5; }
  .hero__meta, .hero__actions .link { display: none; }
  .principle { grid-template-columns: minmax(0, 1fr); }
  .people { grid-template-columns: minmax(0, 1fr); }
  .form { grid-template-columns: minmax(0, 1fr); }
  .field--half { grid-column: 1 / -1; }
  .facts { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts dd { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .frame img { height: 100%; }
}