:root {
  --paper: #f6f1e7;
  --paper-deep: #ede6d6;
  --ink: #1c1a17;
  --ink-soft: #46423b;
  --ink-mute: #645e53;
  --rule: #1c1a1723;
  --rule-strong: #1c1a1750;
  --clay: #9c4528;
  --clay-soft: #ecd9cb;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --measure: 66ch;
  --gutter: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1d1b18;
    --paper-deep: #26231f;
    --ink: #efe9dc;
    --ink-soft: #cfc8b9;
    --ink-mute: #9a9384;
    --rule: #efe9dc22;
    --rule-strong: #efe9dc50;
    --clay: #e08a66;
    --clay-soft: #3a2a22;
  }
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.65;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 1rem;
  font-family: var(--sans);
  font-size: 0.875rem;
}

.skip:focus {
  left: 0;
  z-index: 10;
}

.wrap {
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Header */
.site-head {
  border-bottom: 1px solid var(--rule);
}

.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.brand svg {
  width: 1.6rem;
  height: 1.6rem;
}

.brand svg path {
  fill: currentColor;
}

.brand svg circle {
  fill: none;
  stroke: currentColor;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  font-family: var(--sans);
  font-size: 0.875rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.35rem 0;
}

.site-nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: 0 1px 0 var(--clay);
}

/* Type */
h1,
h2,
h3 {
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.4rem, 6.5vw, 4.25rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: 1.375rem;
}

p {
  margin: 0 0 1.1em;
  max-width: var(--measure);
  text-wrap: pretty;
}

.label {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 1rem;
}

.lede {
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
  line-height: 1.5;
  color: var(--ink-soft);
}

em {
  font-style: italic;
}

/* Sections */
section {
  padding: clamp(3.5rem, 9vw, 6.5rem) 0;
  border-top: 1px solid var(--rule);
}

section.hero {
  border-top: 0;
  padding-top: clamp(3.5rem, 10vw, 7rem);
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: 1.75rem;
}

.hero .lede {
  max-width: 44ch;
  margin-bottom: 2.25rem;
}

.section-title {
  margin-bottom: 2.5rem;
  max-width: 22ch;
}

/* Margin notes */
.with-note {
  display: grid;
  gap: 1.5rem;
}

.note {
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-mute);
  border-left: 2px solid var(--clay);
  padding-left: 0.9rem;
  max-width: 28ch;
}

.note strong {
  display: block;
  color: var(--clay);
  font-weight: 500;
  margin-bottom: 0.2rem;
}

@media (min-width: 60rem) {
  .with-note {
    grid-template-columns: minmax(0, var(--measure)) 1fr;
    column-gap: 4rem;
    align-items: start;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink);
  padding: 0.85rem 1.5rem;
  border: 1px solid var(--ink);
  border-radius: 2px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--paper);
}

.btn-quiet {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}

.btn-quiet:hover {
  background: transparent;
  color: var(--clay);
  border-color: var(--clay);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.fineprint {
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mute);
  margin-top: 1.25rem;
}

/* Facts strip */
.photo {
  margin: 0 0 2.75rem;
}

.photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 2px;
  background: var(--paper-deep);
}

.photo figcaption {
  margin-top: 0.6rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--ink-mute);
}

@media (prefers-color-scheme: dark) {
  .photo img {
    filter: brightness(0.88);
  }
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1.5rem;
  margin: 3rem 0 0;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--rule-strong);
  list-style: none;
}

.facts li {
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--ink-mute);
  line-height: 1.4;
}

.facts strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

/* Werkstücke: ruled rows, not cards */
.pieces {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.piece {
  display: grid;
  gap: 0.5rem 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
}

.piece .when {
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mute);
}

.piece h3 a {
  text-decoration: none;
}

.piece h3 a::after {
  content: " \2192";
  color: var(--clay);
}

.piece p {
  margin: 0;
  color: var(--ink-soft);
}

.piece.later h3,
.piece.later p {
  color: var(--ink-mute);
}

@media (min-width: 48rem) {
  .piece {
    grid-template-columns: 11rem 1fr;
  }
}

/* Use cases */
.cases {
  display: grid;
  gap: 2.25rem 3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 48rem) {
  .cases {
    grid-template-columns: 1fr 1fr;
  }
}

.cases li {
  border-top: 1px solid var(--rule-strong);
  padding-top: 1rem;
}

.cases h3 {
  margin-bottom: 0.5rem;
}

.cases p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.0625rem;
}

.tag {
  font-family: var(--sans);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clay);
  background: var(--clay-soft);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  margin-left: 0.5rem;
  vertical-align: 0.15em;
  white-space: nowrap;
}

/* Statements (Haltung) */
.stance {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: s;
}

.stance li {
  counter-increment: s;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
}

.stance li:first-child {
  border-top: 1px solid var(--rule-strong);
}

.stance h3 {
  margin-bottom: 0.6rem;
}

.stance h3::before {
  content: counter(s) ". ";
  color: var(--clay);
}

.stance p {
  margin: 0;
  color: var(--ink-soft);
}

/* Pilot / proof slot */
.proof {
  background: var(--paper-deep);
  border: 1px dashed var(--rule-strong);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 2px;
}

.proof h2 {
  margin-bottom: 1rem;
}

.proof p:last-child {
  margin-bottom: 0;
}

/* Tips */
.tips {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.tips li {
  display: grid;
  gap: 0.25rem 2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}

.tips .kind {
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mute);
}

.tips a {
  font-size: 1.25rem;
  text-decoration: none;
}

.tips a::after {
  content: " \2192";
  color: var(--clay);
}

@media (min-width: 48rem) {
  .tips li {
    grid-template-columns: 11rem 1fr;
  }
}

/* Two columns: fits / does not fit */
.split {
  display: grid;
  gap: 2.5rem 4rem;
}

@media (min-width: 48rem) {
  .split {
    grid-template-columns: 1fr 1fr;
  }
}

.split h3 {
  margin-bottom: 1rem;
}

.checks {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checks li {
  padding: 0.7rem 0 0.7rem 1.5rem;
  border-top: 1px solid var(--rule);
  position: relative;
  font-size: 1.0625rem;
  color: var(--ink-soft);
}

.checks li::before {
  content: "\2013";
  position: absolute;
  left: 0;
  color: var(--clay);
}

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.steps li {
  display: grid;
  gap: 0.35rem 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
}

.steps .day {
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mute);
}

.steps h3 {
  margin-bottom: 0.4rem;
}

.steps p {
  margin: 0;
  color: var(--ink-soft);
}

@media (min-width: 48rem) {
  .steps li {
    grid-template-columns: 11rem 1fr;
  }
}

/* Table (example map excerpt) */
.sample {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.9375rem;
  margin: 1.5rem 0 0.75rem;
}

.sample caption {
  text-align: left;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-bottom: 0.75rem;
}

.sample th,
.sample td {
  text-align: left;
  padding: 0.75rem 0.75rem 0.75rem 0;
  border-top: 1px solid var(--rule);
  vertical-align: top;
}

.sample th {
  font-weight: 500;
  color: var(--ink-mute);
  font-size: 0.8125rem;
}

.sample-wrap {
  overflow-x: auto;
}

/* FAQ */
details {
  border-top: 1px solid var(--rule);
  padding: 1.1rem 0;
}

details:last-of-type {
  border-bottom: 1px solid var(--rule);
}

summary {
  cursor: pointer;
  font-size: 1.25rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  color: var(--clay);
  font-family: var(--sans);
}

details[open] summary::after {
  content: "\2013";
}

details p {
  margin: 0.9rem 0 0;
  color: var(--ink-soft);
}

/* Closing CTA */
.closing h2 {
  max-width: 16ch;
  margin-bottom: 1.5rem;
}

/* Footer */
.site-foot {
  border-top: 1px solid var(--rule-strong);
  padding: 2rem 0 3rem;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mute);
}

.site-foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  justify-content: space-between;
}

.site-foot nav {
  display: flex;
  gap: 1.25rem;
}

@media (prefers-reduced-motion: no-preference) {
  .rise {
    animation: rise 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
  }
  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
  }
}