/* endlinkage — layout + modernist tokens
   Spine: one 2px line, not seven segments.
   Warmth: photography, three core sentences, one red field at the close.
   Not: cards, radius, extra chrome. */

/* Self-hosted to avoid the third-party request to fonts.googleapis.com
   the site's own Datenschutz page names as a pending item ("kein Tracking"
   only holds once no external host is contacted on every page load). */
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/space-grotesk-400.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/space-grotesk-500.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/space-grotesk-600.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/space-grotesk-700.woff2") format("woff2");
}

:root {
  --color-bg: #f3f2f2;
  --color-surface: #e8e4df;
  --color-text: #201e1d;
  --color-accent: #ec3013;
  --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800;
  --color-divider: color-mix(in srgb, #201e1d 38%, transparent);

  --color-neutral-400: #bcb8b4;
  --color-neutral-700: #605d5a;
  --color-neutral-800: #44413e;

  --font: "Space Grotesk", system-ui, sans-serif;

  --label-w: 13rem;
  --gutter: clamp(24px, 4vw, 56px);
  --page-pad: clamp(20px, 5vw, 64px);
  --spine-w: 2px;
  --max: 1240px;

  --radius: 0px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.55;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

figure {
  margin: 0;
}

a {
  color: var(--color-accent-700);
  text-decoration: none;
  transition: color 150ms ease;
}

a:hover {
  color: var(--color-accent);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

::selection {
  background: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.skip-link {
  position: absolute;
  left: var(--page-pad);
  top: -100px;
  z-index: 45;
  padding: 8px 12px;
  background: var(--color-text);
  color: var(--color-bg);
}

.skip-link:focus {
  top: 12px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

/* Shared two-column track: label | content.
   The spine sits in the gutter between them. */
.site-header,
.block,
.contact-grid {
  display: grid;
  grid-template-columns: var(--label-w) minmax(0, 1fr);
  column-gap: var(--gutter);
}

.label {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-neutral-700);
  padding-right: 20px;
  min-width: 0;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* ── Spine: one element, full height of the content run ── */
.spine-root {
  position: relative;
}

.spine {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--label-w);
  width: var(--spine-w);
  background: var(--color-divider);
  pointer-events: none;
  z-index: 1;
}

/* Red takt-mark on the spine: the page's signature, not a generic accent bar. */
.spine-beat {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 96px;
  background: var(--color-accent);
  will-change: transform;
}

/* ── Header ── */
.site-header {
  align-items: baseline;
  padding: calc(28px - var(--header-shrink, 0) * 14px) 0;
  border-bottom: var(--spine-w) solid var(--color-divider);
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--color-bg);
}

.brand {
  font-family: var(--font);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.02em;
  color: var(--color-text);
  align-self: start;
}

.brand:hover {
  color: var(--color-accent);
}

.header-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
}

.nav {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-size: 15px;
}

.nav a {
  position: relative;
  color: var(--color-text);
  padding: 4px 0;
  white-space: nowrap;
}

.nav a:hover {
  color: var(--color-accent);
}

.nav a.nav-contact,
.header-compact .nav-contact {
  color: var(--color-accent);
}

.nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--color-accent);
}

.header-compact {
  display: none;
  align-items: center;
  gap: 20px;
}

.header-compact .nav-contact {
  font-weight: 700;
  padding: 8px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.index-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  background: none;
  border: 0;
  padding: 8px 0;
  min-height: 44px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  cursor: pointer;
}

.index-toggle:hover {
  color: var(--color-accent);
}

.index-toggle-bars {
  position: relative;
  width: 28px;
  height: 18px;
  flex: none;
  border: 2px solid currentColor;
  box-sizing: border-box;
}

.index-toggle-bars::before,
.index-toggle-bars::after {
  content: "";
  position: absolute;
  left: 3px;
  width: calc(100% - 6px);
  height: 2px;
  background: currentColor;
  transition: transform 160ms ease, top 160ms ease, bottom 160ms ease;
}

.index-toggle-bars::before {
  top: 3px;
}

.index-toggle-bars::after {
  bottom: 3px;
}

.index-toggle[aria-expanded="true"] .index-toggle-bars::before,
.index-toggle-bars.is-close::before {
  top: 6px;
  transform: rotate(45deg);
}

.index-toggle[aria-expanded="true"] .index-toggle-bars::after,
.index-toggle-bars.is-close::after {
  bottom: 6px;
  transform: rotate(-45deg);
}

/* ── Blocks ── */
.block {
  padding: clamp(40px, 5vw, 64px) 0;
  border-top: var(--spine-w) solid var(--color-divider);
  align-items: start;
}

.block:first-child {
  border-top: 0;
}

.block--last {
  padding-bottom: clamp(48px, 6vw, 80px);
}

.content {
  position: relative;
  z-index: 2;
  min-width: 0;
}

h1,
h2,
h3 {
  font-family: var(--font);
  font-weight: 700;
  margin: 0;
  text-wrap: balance;
  font-feature-settings: "cv01" 1, "ss01" 1;
}

h2 {
  font-size: 27px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

h3 {
  font-size: 21px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

p {
  margin: 0;
}

.lede {
  font-size: 17px;
  line-height: 1.55;
  max-width: 54ch;
}

.lede + .lede {
  margin-top: 16px;
}

/* Three core sentences: a little more air than the system scale. */
.core {
  font-weight: 700;
  text-wrap: balance;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.btn-arrow {
  font-weight: 400;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-600);
  border-color: var(--color-accent-600);
  color: var(--color-bg);
}

.btn-ghost {
  color: var(--color-text);
  padding-inline: 12px;
}

.btn-ghost:hover {
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 8%, transparent);
}

.btn:active {
  transform: translateY(1px);
}

/* ── Hero ── */
.hero {
  padding: clamp(56px, 8vw, 104px) 0 clamp(48px, 6vw, 80px);
  border-top: 0;
}

.hero-meta-place {
  margin-top: 14px;
}

.hero-title {
  font-size: clamp(40px, 8vw, 116px);
  line-height: 1.06;
  letter-spacing: -0.032em;
  margin: 0;
}

.page-title {
  font-size: clamp(36px, 6vw, 84px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 16ch;
}

.hero-title span {
  display: block;
}

.hero-text {
  font-size: 19px;
  line-height: 1.62;
  max-width: 56ch;
  margin: 32px 0 0;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

/* ── Wege / Refs ── */
.wege,
.refs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 40px);
}

.wege h2 {
  margin: 0 0 14px;
}

.weg {
  color: inherit;
  display: block;
}

.weg:hover {
  color: inherit;
}

.weg:hover h2 {
  color: var(--color-accent);
}

.wege p {
  font-size: 16px;
  line-height: 1.55;
}

/* ── Preis ── */
.preis-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  column-gap: 32px;
  margin: 0;
  border-top: var(--spine-w) solid var(--color-divider);
}

.preis-list dt,
.preis-list dd {
  padding: 18px 0;
  margin: 0;
}

.preis-list dt {
  font-size: 16px;
  line-height: 1.5;
}

.preis-list dt:nth-of-type(n + 2),
.preis-list dd:nth-of-type(n + 2) {
  border-top: 1px solid var(--color-divider);
}

.preis-list dd {
  font-family: var(--font);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.preis-accent {
  color: var(--color-accent-700);
}

.preis-note {
  font-size: 15px;
  line-height: 1.55;
  max-width: 52ch;
  margin-top: 20px;
  color: var(--color-neutral-800);
}

.preis-note a,
.refs-more a,
.facts a {
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
  color: inherit;
}

.preis-note a:hover,
.refs-more a:hover,
.facts a:hover {
  color: var(--color-accent);
}

/* ── Spektrum: Baukasten-Index, keine Case-Study-Kacheln ── */
.spektrum-group {
  margin-top: clamp(32px, 4vw, 48px);
}

.spektrum-group:first-of-type {
  margin-top: clamp(24px, 3vw, 36px);
}

.spektrum-group h3 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-neutral-700);
  margin: 0 0 12px;
}

.spektrum-list {
  margin: 0;
  border-top: var(--spine-w) solid var(--color-divider);
}

.spektrum-list > div {
  padding: 16px 0;
  border-top: 1px solid var(--color-divider);
}

.spektrum-list > div:first-child {
  border-top: 0;
}

.spektrum-list dt {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
}

.spektrum-list dd {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-neutral-800);
  max-width: 60ch;
  margin: 0;
}

.spektrum-tag {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-neutral-700);
}

/* ── Netzwerk (Kontakt) ── */
.netzwerk-list {
  margin-top: clamp(24px, 3vw, 36px);
  border-top: var(--spine-w) solid var(--color-divider);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--gutter);
}

.netzwerk-item {
  display: block;
  padding: 20px 0;
  border-top: 1px solid var(--color-divider);
  text-decoration: none;
  color: inherit;
  transition: color 150ms ease, transform 500ms ease, opacity 500ms ease;
}

.netzwerk-item:nth-child(-n + 2) {
  border-top: 0;
}

.netzwerk-item.pre-reveal {
  opacity: 0;
  transform: translateY(16px);
}

.netzwerk-item.pre-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.netzwerk-item:hover h3 {
  color: var(--color-accent);
}

.netzwerk-num {
  display: block;
  font-weight: 700;
  font-size: 13px;
  font-feature-settings: "tnum" 1;
  color: var(--color-neutral-700);
  margin-bottom: 6px;
}

.netzwerk-item h3 {
  font-size: 17px;
  margin: 0 0 4px;
  color: var(--color-text);
  transition: color 150ms ease;
}

.netzwerk-item p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-neutral-700);
  margin: 0;
}

@media (max-width: 700px) {
  .netzwerk-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .netzwerk-item:nth-child(-n + 2) {
    border-top: 1px solid var(--color-divider);
  }

  .netzwerk-item:first-child {
    border-top: 0;
  }
}

/* ── Takt ── */
.takt-title {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 24ch;
}

#takt .lede {
  margin-top: 20px;
}

.takt-diagram {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(40px, 5vw, 64px);
}

.takt-step {
  padding: 0 20px;
  border-left: var(--spine-w) solid var(--color-divider);
}

.takt-step:first-child {
  padding-left: 0;
  border-left: 0;
}

.takt-step:last-child {
  padding-right: 0;
}

.takt-bar {
  display: flex;
  align-items: flex-end;
  height: 96px;
  border-bottom: 2px solid var(--color-text);
  margin-bottom: 18px;
}

.takt-bar::before {
  content: "";
  width: 100%;
  height: var(--fill, 50%);
  background: var(--color-accent);
  opacity: var(--tone, 1);
}

.takt-num {
  font-weight: 700;
  font-size: 15px;
  font-feature-settings: "tnum" 1;
  margin-bottom: 8px;
}

.takt-step p {
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-neutral-800);
}

.takt-legend {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-size: 13px;
  color: var(--color-neutral-700);
  border-top: var(--spine-w) solid var(--color-divider);
  margin-top: 28px;
  padding-top: 12px;
}

/* ── Takt pin-scroll: the vertical spine-beat turns horizontal for one
   moment (Startseite only, loaded by js/takt-pin.js). Falls back to the
   plain stacked .takt-diagram above on touch, reduced-motion or narrow
   screens — same markup either way. ── */
.takt-live {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.takt-rail {
  display: none;
}

.takt-pin.is-active .takt-sticky {
  position: sticky;
  top: var(--header-h, 84px);
  height: calc(100vh - var(--header-h, 84px));
  overflow: hidden;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
}

.takt-pin.is-active .takt-stage {
  flex: 1;
  min-height: 0;
  width: 100%;
  padding-top: clamp(20px, 3vh, 40px);
  padding-bottom: clamp(16px, 2.5vh, 28px);
  align-items: stretch;
}

.takt-pin.is-active .takt-stage .content {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
}

.takt-pin.is-active .takt-title {
  font-size: clamp(22px, 3vw, 36px);
  max-width: none;
}

.takt-pin.is-active .lede {
  margin-top: 12px;
  max-width: 52ch;
}

.takt-pin.is-active .takt-track {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  margin-top: clamp(20px, 3vh, 36px);
  /* Bleed the stage toward both edges: left into the spine gutter,
     right past --max, so the pinned moment actually uses the screen. */
  width: calc(100% + var(--gutter) + var(--page-pad) + max(0px, (100vw - var(--max)) / 2));
  margin-left: calc(-1 * var(--gutter));
}

.takt-pin.is-active .takt-diagram {
  display: flex;
  flex-wrap: nowrap;
  width: 100%;
  height: 100%;
  margin-top: 0;
  will-change: transform;
}

.takt-pin.is-active .takt-step {
  flex: 0 0 100%;
  width: 100%;
  max-width: 100%;
  padding: 0;
  border-left: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.takt-pin.is-active .takt-bar {
  flex: 1;
  min-height: 3.5rem;
  height: auto;
  margin-bottom: 16px;
}

.takt-pin.is-active .takt-num {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.takt-pin.is-active .takt-step h3 {
  font-size: clamp(28px, 4.5vw, 52px);
  margin-bottom: 12px;
}

.takt-pin.is-active .takt-step p {
  font-size: 17px;
  max-width: 46ch;
}

.takt-pin.is-active .takt-legend,
.takt-pin.is-active .takt-rail {
  flex-shrink: 0;
}

.takt-pin.is-active .takt-legend {
  margin-top: 16px;
  border-top: 0;
  padding-top: 0;
}

.takt-pin.is-active .takt-rail {
  display: block;
  position: relative;
  height: var(--spine-w);
  background: var(--color-divider);
  margin-top: 10px;
  margin-left: calc(-1 * var(--gutter));
  width: calc(100% + var(--gutter) + var(--page-pad) + max(0px, (100vw - var(--max)) / 2));
}

.takt-beat {
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: var(--spine-w);
  background: var(--color-accent);
  will-change: transform;
}

@media (max-height: 740px) {
  .takt-pin.is-active .lede {
    display: none;
  }
}

/* Vertical page-beat pauses while the horizontal rail owns the accent. */
.spine-root:has(.takt-pin.is-pinning) > .spine .spine-beat {
  opacity: 0;
}

/* Fallback: no pin-scroll (touch, reduced-motion, narrow) still gets a
   one-step-at-a-time moment — a native horizontally-snapping card strip
   instead of scroll-hijacking. Each step is 100% of the (unsized, natural-
   width) scroll container, so the four of them simply overflow it by
   construction — no percentage-of-container-minus-gaps math for the
   browser to resolve at the scroll boundary. No JS involved. */
.takt-pin.is-stack .takt-diagram {
  display: flex;
  flex-wrap: nowrap;
  transform: none !important;
  overflow-x: auto;
  overscroll-behavior-x: none;
  touch-action: pan-x;
  scroll-snap-type: x mandatory;
  padding: 4px 0 12px;
}

.takt-pin.is-stack .takt-step {
  width: 100%;
  flex: 0 0 100%;
  scroll-snap-align: start;
  border-left: 0;
  /* No padding here: .content is already inset by --page-pad from the
     viewport (same as every other paragraph on the page) — adding it
     again on the card itself just double-indents it against everything
     around it and eats into the width the text needs to wrap. */
  padding: 0;
}

.takt-pin.is-stack .takt-bar {
  height: 64px;
}

.takt-pin.is-stack .takt-rail {
  display: none;
}

@media (max-width: 700px), (prefers-reduced-motion: reduce), (hover: none) {
  .takt-pin.is-active .takt-sticky {
    position: static;
    height: auto;
    overflow: visible;
  }

  .takt-pin.is-active .takt-diagram {
    display: flex;
    flex-wrap: nowrap;
    transform: none !important;
    overflow-x: auto;
    overscroll-behavior-x: none;
    touch-action: pan-x;
    scroll-snap-type: x mandatory;
    padding: 4px 0 12px;
  }

  .takt-pin.is-active .takt-step {
    width: 100%;
    flex: 0 0 100%;
    scroll-snap-align: start;
    border-left: 0;
    padding: 0;
  }

  .takt-pin.is-active .takt-bar {
    flex: none;
    height: 64px;
    min-height: 0;
  }

  .takt-pin.is-active .takt-rail {
    display: none;
  }
}

/* ── Photos: the emotional layer. Warm paper, not empty chrome. ── */
.photo {
  margin-top: clamp(32px, 4vw, 56px);
}

.photo--portrait {
  margin-top: 0;
}

.photo-frame {
  display: grid;
  overflow: hidden;
  background: var(--color-surface);
}

.photo-img {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
  display: block;
}

.photo-frame--wide {
  aspect-ratio: 16 / 9;
}

.photo-frame--portrait {
  aspect-ratio: 4 / 5;
}

.photo--portrait .photo-img {
  transition: filter 400ms ease;
}

.photo--portrait:hover .photo-img {
  filter: grayscale(0) contrast(1.05);
}

.photo-frame--ref {
  aspect-ratio: 3 / 2;
}

.photo-bleed .photo-frame {
  width: calc(100% + var(--page-pad) + max(0px, (100vw - var(--max)) / 2));
  max-width: none;
}

figcaption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-neutral-700);
  margin-top: 12px;
}

/* ── FAQ: questions step across the spine ── */
.qa {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px var(--gutter);
  align-items: baseline;
  padding: 28px 0;
  border-top: var(--spine-w) solid var(--color-divider);
}

.qa:first-child {
  padding-top: 0;
  border-top: 0;
}

.qa:last-child {
  padding-bottom: 0;
}

.frage {
  font-family: var(--font);
  font-weight: 700;
  font-size: clamp(22px, 2.7vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.022em;
  margin: 0;
  padding: 0;
  text-wrap: balance;
}

.qa > p:not(.frage) {
  font-size: 16px;
  line-height: 1.55;
}

.ratio-wrap {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.ratio {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr) max-content;
  align-items: center;
  column-gap: 16px;
  row-gap: 12px;
  border-top: var(--spine-w) solid var(--color-divider);
  padding-top: 18px;
  font-size: 14px;
  color: var(--color-neutral-800);
}

.ratio-bar {
  height: 14px;
  background: var(--color-neutral-400);
}

.ratio-bar--after {
  width: 14%;
  background: var(--color-accent);
}

.ratio-num {
  font-weight: 700;
  font-size: 16px;
  font-feature-settings: "tnum" 1;
  color: var(--color-text);
}

.ratio-note {
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-neutral-700);
  margin-top: 12px;
}

/* ── Referenzen ──
   Reveal-on-scroll (see js/site.js): grayscale eases toward color and the
   card fades/rises into place once it crosses into view — reaches touch
   visitors, who never see a :hover state at all. Hover still deepens it
   further for pointer users. The .pre-reveal starting state is added by JS
   itself, never by default CSS — so a page with JS disabled or broken shows
   everything immediately instead of stuck invisible. */
.ref-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 150ms ease, opacity 500ms ease;
}

.ref-card.pre-reveal {
  opacity: 0;
  transform: translateY(16px);
}

.ref-card.pre-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.ref-card:hover {
  transform: translateY(-2px);
  color: inherit;
}

.ref-card .photo-img {
  transition: filter 500ms ease;
}

.ref-card.is-visible .photo-img {
  filter: grayscale(0.5) contrast(1.08);
}

.ref-card:hover .photo-img {
  filter: grayscale(0) contrast(1.05);
}

.ref-card h3 {
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 14px 0 6px;
}

.ref-card:hover h3 {
  color: var(--color-accent-700);
}

.ref-card p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-neutral-700);
}

.refs-more {
  font-size: 15px;
  margin-top: 28px;
}

/* ── Über ── */
.ueber-title {
  font-size: clamp(36px, 6.8vw, 88px);
  line-height: 1.08;
  letter-spacing: -0.028em;
  margin: 0;
  max-width: 24ch;
}

.ueber-split {
  display: grid;
  grid-template-columns: minmax(180px, 300px) minmax(0, 1fr);
  gap: var(--gutter);
  align-items: start;
  margin-top: clamp(36px, 4.5vw, 60px);
}

.facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: 24px;
  margin: 36px 0 0;
  font-size: 15px;
  line-height: 1.5;
  border-top: var(--spine-w) solid var(--color-divider);
}

.fact-row {
  display: contents;
}

.fact-row dt,
.fact-row dd {
  padding: 12px 0;
  margin: 0;
}

.fact-row dt {
  color: var(--color-neutral-700);
}

.fact-row:not(:first-child) dt,
.fact-row:not(:first-child) dd {
  border-top: 1px solid var(--color-divider);
}

/* ── Kontakt: the one red field. Type stays on the page grid. ── */
.contact {
  background: var(--color-accent);
  color: var(--color-bg);
}

.contact-grid {
  padding: clamp(64px, 8.5vw, 116px) 0;
}

.contact .label {
  color: color-mix(in srgb, var(--color-bg) 78%, transparent);
}

.contact-title {
  font-size: clamp(32px, 5.4vw, 74px);
  line-height: 1.1;
  letter-spacing: -0.024em;
  margin: 0;
  max-width: 22ch;
}

.contact .lede {
  margin-top: 28px;
  font-size: 18px;
  line-height: 1.5;
  max-width: 46ch;
}

.contact-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.btn-on-accent {
  background: var(--color-bg);
  color: var(--color-accent);
  border-color: var(--color-bg);
}

.btn-on-accent:hover {
  background: transparent;
  color: var(--color-bg);
  border-color: var(--color-bg);
}

.btn-ghost-on-accent {
  color: var(--color-bg);
  border: 1px solid var(--color-bg);
  background: transparent;
}

.btn-ghost-on-accent:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

/* ── Footer ── */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
  padding: 32px 0;
  font-size: 13px;
  color: var(--color-neutral-700);
}

.site-footer a {
  color: var(--color-neutral-700);
}

.site-footer a:hover {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
}

/* ── ≤1020px ── */
@media (max-width: 1020px) {
  .ueber-split {
    grid-template-columns: minmax(0, 1fr);
  }

  .photo--portrait {
    max-width: 260px;
  }

  .facts {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .fact-row {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-divider);
  }

  .fact-row:not(:first-child) dt,
  .fact-row:not(:first-child) dd,
  .fact-row dt,
  .fact-row dd {
    padding: 0;
    border: 0;
  }

  .fact-row dt {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 3px;
  }

  .preis-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .preis-list dt {
    padding-bottom: 6px;
  }

  .preis-list dd {
    padding-top: 0;
  }

  .preis-list dt:nth-of-type(n + 2),
  .preis-list dd:nth-of-type(n + 2) {
    border-top: 0;
  }

  .preis-list dt:nth-of-type(n + 2) {
    border-top: 1px solid var(--color-divider);
  }

  .takt-diagram {
    grid-template-columns: repeat(2, 1fr);
  }

  .takt-step:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }

  .takt-step:nth-child(n + 3) {
    border-top: var(--spine-w) solid var(--color-divider);
    padding-top: 18px;
    margin-top: 18px;
  }

  .wege,
  .refs {
    grid-template-columns: repeat(2, 1fr);
  }

  .wege > :nth-child(3),
  .refs > :nth-child(3) {
    grid-column: 1 / -1;
    border-top: var(--spine-w) solid var(--color-divider);
    padding-top: clamp(24px, 3vw, 40px);
  }
}

/* ── ≤860px ── */
@media (max-width: 860px) {
  .qa {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .frage {
    font-size: clamp(21px, 4vw, 26px);
  }
}

/* ── ≤900px: Index instead of a generic hamburger; Kontakt stays visible ── */
@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .header-compact {
    display: flex;
  }

  .site-header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }

  .header-end {
    flex: none;
  }
}

/* ── ≤700px: spine yields to a red mark under the label ── */
@media (max-width: 700px) {
  .spine {
    display: none;
  }

  .block,
  .contact-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .site-header {
    padding: 20px 0;
  }

  .label {
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-accent);
    width: fit-content;
  }

  .content {
    margin-top: 22px;
  }

  .hero {
    padding: clamp(36px, 7vw, 56px) 0 clamp(36px, 5vw, 48px);
  }

  .hero-content {
    display: contents;
  }

  .hero-title {
    order: 1;
  }

  .hero-meta {
    order: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
    margin: 20px 0 0;
    font-size: 13px;
    line-height: 1.45;
    width: 100%;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .contact .label {
    border-bottom-color: color-mix(in srgb, var(--color-bg) 70%, transparent);
  }

  .hero-meta-place {
    margin-top: 0;
  }

  .hero-meta div {
    white-space: nowrap;
  }

  .hero-meta div:not(:last-child)::after {
    content: "·";
    margin-left: 12px;
    color: var(--color-neutral-400);
  }

  .hero-text {
    order: 3;
    margin-top: 24px;
  }

  .hero-cta {
    order: 4;
    margin-top: 24px;
  }

  .takt-diagram {
    grid-template-columns: minmax(0, 1fr);
  }

  .takt-step {
    border-left: 0;
    padding: 0;
  }

  .takt-step:nth-child(n + 2) {
    border-top: var(--spine-w) solid var(--color-divider);
    padding-top: 20px;
    margin-top: 20px;
  }

  .takt-bar {
    height: 48px;
    margin-bottom: 14px;
  }

  .ratio {
    grid-template-columns: minmax(0, 1fr) max-content;
    row-gap: 8px;
  }

  .ratio > :nth-child(1) { grid-area: 1 / 1; }
  .ratio > :nth-child(3) { grid-area: 1 / 2; }
  .ratio > :nth-child(2) { grid-area: 2 / 1 / 3 / 3; }
  .ratio > :nth-child(4) { grid-area: 3 / 1; }
  .ratio > :nth-child(6) { grid-area: 3 / 2; }
  .ratio > :nth-child(5) { grid-area: 4 / 1 / 5 / 3; }

  .wege,
  .refs {
    grid-template-columns: minmax(0, 1fr);
  }

  .wege > :nth-child(3),
  .refs > :nth-child(3) {
    grid-column: auto;
    border-top: 0;
    padding-top: 0;
  }

  .wege > :nth-child(n + 2),
  .refs > :nth-child(n + 2) {
    border-top: var(--spine-w) solid var(--color-divider);
    padding-top: clamp(24px, 3vw, 40px);
  }

  .footer-links {
    justify-content: flex-start;
    margin-top: 12px;
  }

  .photo-bleed .photo-frame {
    width: calc(100% + var(--page-pad));
  }

  .index-nav a {
    font-size: clamp(28px, 9vw, 44px);
  }
}

/* ── Index overlay: numbered takt, same grid, not a drawer ── */
.site-index {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--color-bg);
  overflow: auto;
}

.site-index[hidden] {
  display: none;
}

body.index-open {
  overflow: hidden;
}

.site-index-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 28px;
  border-bottom: 2px solid var(--color-divider);
}

.site-index-body {
  position: relative;
  padding: clamp(40px, 6vw, 72px) 0 64px;
  display: grid;
  grid-template-columns: var(--label-w) minmax(0, 1fr);
  column-gap: var(--gutter);
}

.site-index-body .label {
  padding-top: 8px;
}

.index-nav {
  display: flex;
  flex-direction: column;
}

.index-nav a {
  display: flex;
  align-items: baseline;
  gap: 20px;
  font-size: clamp(32px, 6vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
  padding: 14px 0;
  border-top: 2px solid var(--color-divider);
}

.index-nav a:first-child {
  border-top: 0;
  padding-top: 0;
}

.index-nav a span {
  font-size: 0.32em;
  font-weight: 700;
  font-feature-settings: "tnum" 1;
  color: var(--color-neutral-700);
  min-width: 2.2em;
}

.index-nav a:hover,
.index-nav a[aria-current="page"] {
  color: var(--color-accent);
}

.index-nav a.nav-contact {
  color: var(--color-accent);
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-weight: 700;
  font-size: 15px;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
  width: fit-content;
}

.more-link:hover {
  color: var(--color-accent);
}

.legal-copy {
  max-width: 62ch;
}

.legal-copy h2 {
  margin-top: 36px;
}

.legal-copy p + p {
  margin-top: 14px;
}

/* ── Blog (Vorlage für den späteren WordPress-Umbau) ── */
.blog-list {
  border-top: var(--spine-w) solid var(--color-divider);
}

.blog-item {
  display: block;
  padding: 28px 0;
  border-top: 1px solid var(--color-divider);
  text-decoration: none;
  color: inherit;
}

.blog-item:first-child {
  border-top: 0;
}

.blog-item.is-planned {
  opacity: 0.6;
  cursor: default;
}

.blog-kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent-700);
  margin-bottom: 8px;
}

.blog-item h2 {
  font-size: clamp(20px, 2.2vw, 26px);
  margin: 0 0 8px;
  transition: color 150ms ease;
}

.blog-item:hover h2 {
  color: var(--color-accent);
}

.blog-meta {
  font-size: 13px;
  color: var(--color-neutral-700);
  margin-bottom: 10px;
}

.blog-item p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-neutral-800);
  max-width: 62ch;
  margin: 0;
}

.blog-post {
  max-width: 68ch;
}

.blog-post .blog-meta {
  margin-bottom: 28px;
}

.blog-post h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  margin: 40px 0 14px;
}

.blog-post p {
  font-size: 17px;
  line-height: 1.7;
  margin: 0 0 18px;
  color: var(--color-neutral-900, var(--color-text));
}

.code-block {
  background: var(--color-text);
  color: var(--color-bg);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
}

.code-block code {
  white-space: pre;
}

.blog-post p code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--color-surface);
  padding: 2px 5px;
}

.case {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--gutter);
  align-items: start;
  padding: 36px 0;
  border-top: 2px solid var(--color-divider);
  transition: transform 500ms ease, opacity 500ms ease;
}

.case:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.case.pre-reveal {
  opacity: 0;
  transform: translateY(20px);
}

.case.pre-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.case .photo-img {
  transition: filter 500ms ease;
}

.case.is-visible .photo-img {
  filter: grayscale(0.5) contrast(1.08);
}

.case:hover .photo-img {
  filter: grayscale(0) contrast(1.05);
}

.case h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 10px;
}

.pull {
  font-family: var(--font);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.025em;
  max-width: 18ch;
  margin: 32px 0 0;
}

@media (max-width: 860px) {
  .case {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-index-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-index-body .label {
    margin-bottom: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }

  .spine-beat {
    transform: none !important;
    top: 12%;
  }
}

/* Inline icons — self-hosted SVG, no icon font/library request.
   Sized to the text line, colored via currentColor so they follow
   whatever context (button, link, fact row) they sit in. */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  flex-shrink: 0;
}

.fact-row dt .icon {
  margin-right: 0.4em;
  vertical-align: -0.1em;
}

.dev-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 12px;
}

.dev-links a {
  display: inline-flex;
  align-items: center;
}

.dev-links .icon {
  margin-right: 0.4em;
}