:root {

  color-scheme: light dark;

  --display: "Didot", "Bodoni 72", "Playfair Display", ui-serif, Georgia,
             "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Inter",
          system-ui, "Segoe UI", Arial, sans-serif;

  --fs-mark: 0.6875rem;   
  --fs-small: 0.875rem;
  --fs-body: 1.0625rem;
  --fs-lede: clamp(1.125rem, 1.6vw, 1.3125rem);
  --fs-amount: clamp(2.5rem, 6vw, 3.5rem);
  --fs-display: clamp(2.5rem, 7.2vw, 5rem);

  --track-mark: 0.22em;
  --track-wide: 0.42em;


  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.875rem;
  --sp-4: 1.25rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 4.5rem;
  --sp-8: 7rem;

  --sheet: 62rem;        
  --measure: 34rem;      
  --margin-col: 11rem;   
  --gutter: 2.5rem;

 
  --paper: #f2eee6;
  --paper-2: #ece7dc;
  --ink: #14120f;
  --ink-2: #4a453c;
  --ink-3: #7d766a;
  --rule: #d2cabb;
  --rule-strong: #a89f8d;
  --accent: #7a5a2b;
  --danger: #7c2b22;
  --on-ink: #f6f2ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12110f;
    --paper-2: #191713;
    --ink: #f0ece3;
    --ink-2: #a9a294;
    --ink-3: #837c6e;
    --rule: #2e2b25;
    --rule-strong: #4d483f;
    --accent: #c9a970;
    --danger: #d8917f;
    --on-ink: #12110f;
  }
}


*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; }

h1, h2, h3, p, ol, dl, dd { margin: 0; }

:where(a, button, input):focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-color 0.2s ease, color 0.2s ease;
}

a:hover { text-decoration-color: var(--ink); }



h1 {
  font-family: var(--display);
  font-size: var(--fs-display);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.015em;
  text-wrap: balance;
  max-width: 16ch;
}

h1 em { font-style: italic; }

h3 {
  margin-bottom: var(--sp-2);
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.005em;
}

p {
  max-width: var(--measure);
  text-wrap: pretty;
}

.lede {
  margin-top: var(--sp-5);
  font-size: var(--fs-lede);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 32rem;
}

.hint {
  margin-top: var(--sp-3);
  font-size: var(--fs-small);
  color: var(--ink-3);
}

.file {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.05em;
  color: var(--ink-2);
}


.mark,
h2,
.masthead-nav a,
.colophon,
.row-label label,
.alert-label,
.limits dt,
.unit,
.filepick-button,
button[type="submit"] {
  font-size: var(--fs-mark);
  text-transform: uppercase;
  letter-spacing: var(--track-mark);
  color: var(--ink-3);
  line-height: 1.4;
}

h2,
.row-label label,
.alert-label,
.limits dt,
.unit,
.filepick-button,
button[type="submit"] {
  font-weight: 600;
}


.masthead-nav a:last-child,
.colophon-note {
  margin-right: calc(-1 * var(--track-mark));
}


.wordmark,
.colophon span:first-child {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  margin-right: calc(-1 * var(--track-wide));
}

.wordmark { font-size: 1.0625rem; }
.colophon span:first-child { color: var(--ink-2); }


.numeral,
.steps li::before {
  font-family: var(--display);
  color: var(--rule-strong);
  font-feature-settings: "lnum" 1;
}



.sheet {
  max-width: var(--sheet);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.5rem, 6vw, 5rem) var(--sp-6);
}


.row {
  display: grid;
  grid-template-columns: var(--margin-col) minmax(0, 1fr);
  gap: var(--gutter);
  align-items: start;
  padding: var(--sp-6) 0;
  border-top: 1px solid var(--rule);
}

.row-label {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding-top: 0.3rem;
}

.row-label label { color: var(--ink-2); }

.numeral {
  font-size: 1.375rem;
  line-height: 1;
}


.masthead,
.colophon {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
}

.masthead {
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--ink);
}

.colophon {
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--ink);
}

.masthead-nav,
.colophon-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.masthead-nav a,
.colophon-nav a {
  text-decoration: none;
}

.masthead-nav a:hover,
.colophon-nav a:hover,
.wordmark:hover { color: var(--ink); }

.masthead-nav a[aria-current="page"],
.colophon-nav a[aria-current="page"] { color: var(--ink); }

.wordmark {
  text-decoration: none;
  color: var(--ink);
}

.opening {
  padding: clamp(var(--sp-6), 11vw, var(--sp-8)) 0 var(--sp-7);
}




.filepick {
  position: relative;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.filepick input[type="file"] {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.filepick-button {
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.filepick-button:hover {
  border-color: var(--ink);
  background: var(--paper-2);
}

.filepick input[type="file"]:focus-visible + .filepick-button {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

.filepick-name {
  font-size: var(--fs-small);
  color: var(--ink-3);
  overflow-wrap: anywhere;
}

.filepick-name.is-set {
  font-family: var(--display);
  font-style: italic;
  font-size: var(--fs-body);
  color: var(--ink);
}


.amount {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  max-width: 16rem;
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--rule-strong);
}

.amount input {
  width: 7ch;            
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--display);
  font-size: var(--fs-amount);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.amount input::placeholder { color: var(--rule-strong); }
.amount input:focus { outline: none; }


.amount:focus-within {
  border-bottom-color: var(--accent);
  box-shadow: 0 1px 0 var(--accent);
}


.amount input::-webkit-outer-spin-button,
.amount input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.amount input[type="number"] { appearance: textfield; }



button[type="submit"] {
  padding: 1.125rem 2.75rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--on-ink);
  font-family: inherit;   
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease;
}

button[type="submit"]:hover {
  background: transparent;
  color: var(--ink);
}

button[type="submit"]:disabled {
  background: transparent;
  color: var(--ink-3);
  border-color: var(--rule);
  cursor: default;
}


.notices {
  display: grid;
  gap: var(--sp-3);          
  margin-bottom: var(--sp-5);
}

.alert {
  --alert-pad: var(--sp-4);
  display: grid;
  grid-template-columns: calc(var(--margin-col) - var(--alert-pad)) minmax(0, 1fr);
  gap: var(--gutter);
  align-items: baseline;
  padding: var(--alert-pad);
  border-left: 2px solid var(--danger);
  background: var(--paper-2);
}

.alert-label { color: var(--danger); }
.alert p { color: var(--ink); }


.alert-success {
  border-left-color: var(--accent);
}
.alert-success .alert-label { color: var(--accent); }



.steps {
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2.75rem;
}

.steps li + li { margin-top: var(--sp-5); }


.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1rem;
  font-size: 1.125rem;
  line-height: 1.4;
}

.steps p { color: var(--ink-2); }

.limits {
  display: grid;
  gap: var(--sp-4);
}

.limits > div {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: var(--sp-4);
  align-items: baseline;
}

.limits dd {
  font-size: var(--fs-small);
  color: var(--ink-2);
}



.legal-head {
  padding: clamp(var(--sp-6), 10vw, var(--sp-8)) 0 var(--sp-7);
}

.legal-head h1 {
  max-width: 20ch;
  hyphens: auto;
  overflow-wrap: break-word;
}

.legal-section {
  display: grid;
  grid-template-columns: var(--margin-col) minmax(0, 1fr);
  column-gap: var(--gutter);
  row-gap: 0;
  padding: var(--sp-6) 0;
  border-top: 1px solid var(--rule);
}

.legal-section > h2 {
  grid-column: 1;
  align-self: start;
  position: sticky;
  top: var(--sp-5);
  padding-top: 0.8rem;
  color: var(--ink-2);
}

.legal-section > :not(h2) { grid-column: 2; }

.legal-section > * + * { margin-top: var(--sp-3); }
.legal-section > * + h3 { margin-top: var(--sp-5); }
.legal-section > h3 + * { margin-top: 0; }

.legal-section p,
.legal-section li { color: var(--ink-2); }

.legal-section ul {
  max-width: var(--measure);
  padding-left: 1.15rem;
}

.legal-section li::marker { color: var(--rule-strong); }
.legal-section li + li { margin-top: var(--sp-2); }

.legal-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.legal-toc li {
  counter-increment: toc;
  display: flex;
  gap: var(--sp-3);
  align-items: baseline;
}

.legal-toc li + li { margin-top: var(--sp-2); }

.legal-toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--display);
  font-size: 1.125rem;
  color: var(--rule-strong);
  font-feature-settings: "lnum" 1;
}

.legal-toc a {
  color: var(--ink);
  text-decoration-color: transparent;
}

.legal-toc a:hover { text-decoration-color: var(--rule-strong); }

.legal-section[id] { scroll-margin-top: var(--sp-5); }

.legal-address {
  padding-left: var(--sp-4);
  border-left: 2px solid var(--rule-strong);
}

.legal address { font-style: normal; }

/* Die DSGVO-Vorlage setzt diese Klauseln in Großbuchstaben. Versalien kosten
   rund ein Drittel der Lesegeschwindigkeit, daher trägt hier die Farbe die
   Betonung. */
.legal-section p.legal-caps { color: var(--ink); font-weight: 500; }

.legal-source {
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--rule);
  font-size: var(--fs-small);
  color: var(--ink-3);
}

@media (max-width: 46rem) {
  .row {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
    padding: var(--sp-5) 0;
  }

  .row-label { padding-top: 0; }

  .alert {
    grid-template-columns: 1fr;
    gap: var(--sp-2);
  }

  .limits > div {
    grid-template-columns: 1fr;
    gap: var(--sp-1);
  }

  .legal-section {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
    padding: var(--sp-5) 0;
  }

  .legal-section > h2 { position: static; padding-top: 0; }
  .legal-section > :not(h2) { grid-column: 1; }

  .masthead,
  .colophon {
    flex-wrap: wrap;
    gap: var(--sp-3);
  }
}