/* Ventora Air — Silver architecture brand */

@font-face {
  font-family: "DM Sans";
  src: url("media/dm-sans-regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("media/dm-sans-medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --silver: #eef0f0;
  --silver-deep: #e4e6e6;
  --white: #ffffff;
  --ink: #1a1b1c;
  --charcoal: #2a2c2e;
  --muted: #5c5f63;
  --muted-light: #8a8d91;
  --hairline: rgba(26, 27, 28, 0.12);
  --hairline-strong: rgba(26, 27, 28, 0.22);
  --radius-sm: 12px;
  --radius: 24px;
  --max: 80rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --entry-duration: 560ms;
  --entry-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--charcoal);
  background: var(--silver);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

h1,
h2,
h3,
h4 {
  font-weight: 500;
}

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

/* ── Skip link ── */

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100%;
  z-index: 200;
  padding: 0.5rem 0.875rem;
  background: var(--ink);
  color: var(--white);
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 999px;
}

.skip-link:focus-visible {
  top: 0.75rem;
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ── Header ── */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
  padding: 0.875rem var(--gutter);
  background: var(--white);
  border-bottom: 1px solid var(--hairline);
}

.wordmark {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem 1.5rem;
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

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

.site-nav a:focus-visible {
  color: var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ── Hero ── */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 45%) minmax(0, 55%);
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
  min-height: min(90vh, 44rem);
  padding: clamp(3rem, 7vw, 5.5rem) var(--gutter) clamp(3rem, 6vw, 4.5rem);
  background: var(--silver);
  color: var(--charcoal);
}

.hero-main {
  min-width: 0;
}

.hero-eyebrow {
  margin: 0 0 1.25rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1 {
  margin: 0;
}

.hero-line {
  display: block;
  font-size: clamp(2.5rem, 6.5vw, 4.75rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.06em;
  color: var(--ink);
  text-wrap: balance;
}

.hero-line-soft {
  color: var(--muted);
}

.hero-secondary {
  margin: 1.5rem 0 0;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  font-weight: 500;
  line-height: 1.35;
  color: var(--charcoal);
}

.hero-intro {
  margin: 0.875rem 0 0;
  max-width: 32rem;
  font-size: 1.1875rem;
  line-height: 1.65;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  margin-top: 2rem;
}

.hero-photo {
  margin: 0;
  min-width: 0;
  height: clamp(16rem, 42vw, 37.5rem);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--silver-deep);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-photo figcaption {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.hero-rail {
  display: none;
}

/* ── Living story ── */

.living-story {
  display: grid;
  grid-template-columns: minmax(0, 35%) minmax(0, 65%);
  align-items: start;
  gap: clamp(2rem, 5vw, 4.5rem);
  padding: clamp(3.5rem, 8vw, 6rem) var(--gutter);
  background: var(--white);
  border-top: 1px solid var(--hairline);
}

.story-copy {
  min-width: 0;
}

.story-eyebrow,
.story-copy .hero-eyebrow,
.story-copy > .eyebrow {
  margin: 0 0 1rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.story-copy h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 3.2vw, 2.625rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.story-copy p {
  margin: 0;
  max-width: 26rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--muted);
}

.story-images {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1rem, 2.5vw, 1.5rem);
  align-items: start;
  min-width: 0;
}

.story-wide,
.story-detail {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--silver);
}

.story-wide {
  height: 20rem;
  margin-top: 2.5rem;
}

.story-detail {
  height: 15rem;
}

.story-wide img,
.story-detail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-wide figcaption,
.story-detail figcaption {
  padding: 0.75rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--muted-light);
}

/* ── Sections ── */

.section {
  padding: clamp(3.5rem, 8vw, 6rem) var(--gutter);
  border-top: 1px solid var(--hairline);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.75rem);
  align-items: start;
  max-width: var(--max);
  margin: 0 auto clamp(2rem, 4vw, 2.75rem);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3.4vw, 2.875rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.section-head p {
  margin: 0;
  max-width: 26rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ── Vorhaben ── */

.vorhaben {
  background: var(--silver-deep);
}

.choice-bar {
  display: none;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: var(--max);
  margin: 0 auto 1.5rem;
}

body.js-ready .choice-bar {
  display: flex;
}

.choice-btn {
  appearance: none;
  margin: 0;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.625rem 1.125rem;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.choice-btn:hover {
  border-color: var(--hairline-strong);
  color: var(--charcoal);
}

.choice-btn.is-active,
.choice-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.choice-btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.vorhaben-panels {
  display: grid;
  gap: 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
}

.vorhaben-panel {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
}

.vorhaben-panel h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--ink);
}

.panel-lead {
  margin: 0 0 1.75rem;
  max-width: 42rem;
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--charcoal);
}

.advice-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.advice-columns h4 {
  margin: 0 0 0.875rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.consider-list,
.prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.consider-list li,
.prep-list li {
  position: relative;
  padding: 0.625rem 0 0.625rem 1rem;
  margin: 0;
  border-top: 1px solid var(--hairline);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--charcoal);
}

.consider-list li::before,
.prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05em;
  width: 0.3rem;
  height: 1px;
  background: var(--muted-light);
}

.vorhaben-mail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  max-width: var(--max);
  margin: 2rem auto 0;
}

.mail-hint {
  font-size: 0.875rem;
  color: var(--muted);
}

body.js-ready .vorhaben-panel:not(.is-active) {
  display: none;
}

body.js-ready .vorhaben-panel.is-active {
  display: block;
}

body.js-ready .vorhaben-panel h3 {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

body:not(.js-ready) .vorhaben-panel h3 {
  display: block;
}

/* ── Lösungen ── */

.loesungen {
  background: var(--white);
}

.compare-wrap {
  max-width: var(--max);
  margin: 0 auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  min-width: 0;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.125rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hairline);
}

.compare-table thead th {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom-width: 2px;
}

.compare-table thead th:not(:first-child) {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  letter-spacing: -0.03em;
  text-transform: none;
  color: var(--ink);
}

.compare-table tbody th {
  font-weight: 500;
  color: var(--ink);
  width: 18%;
}

.compare-table td {
  color: var(--charcoal);
}

.compare-note {
  max-width: var(--max);
  margin: 1.25rem auto 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* ── Ablauf ── */

.ablauf {
  background: var(--silver);
}

.stage-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: var(--max);
  margin: 0 auto;
  padding: 0;
  list-style: none;
  counter-reset: stages;
}

.stage-list li {
  position: relative;
  padding: clamp(1.25rem, 2.5vw, 2rem) 0 0;
  border-top: 1px solid var(--hairline);
  max-width: none;
}

.stage-list li:nth-child(2) {
  margin-top: 2.5rem;
}

.stage-list li:nth-child(3) {
  margin-top: 5rem;
}

.stage-list li::before {
  counter-increment: stages;
  content: "0" counter(stages);
  display: block;
  margin-bottom: 1.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted-light);
}

.stage-list h3 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.0625rem, 1.6vw, 1.3125rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.stage-list p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ── FAQ ── */

.faq {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  background: var(--white);
}

.faq .section-head {
  grid-column: 1;
  grid-row: 1;
  margin-bottom: 0;
}

.faq .faq-item {
  grid-column: 2;
}

.faq-item {
  border-top: 1px solid var(--hairline);
  padding: 1rem 0;
}

.faq-item summary {
  cursor: pointer;
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  margin-left: 1rem;
  font-weight: 400;
  color: var(--muted);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0.75rem 0 0;
  max-width: 36rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ── Contact ── */

.contact {
  background: var(--white);
  padding-bottom: clamp(4rem, 10vw, 7rem);
}

.contact h2 {
  margin: 0 0 1rem;
  max-width: 18rem;
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.06em;
  color: var(--ink);
  text-wrap: balance;
}

.contact > p {
  margin: 0 0 1.5rem;
  max-width: 28rem;
  color: var(--muted);
}

.contact-personal {
  display: none;
}

.contact-mail {
  margin-bottom: 0.75rem;
}

.contact-prompt {
  margin: 0;
  max-width: 28rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* ── Buttons & links ── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8125rem 1.375rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
}

.btn-primary:hover {
  background: #0f1011;
}

.btn-primary:focus-visible {
  background: #0f1011;
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.btn-secondary {
  background: transparent;
  border-color: transparent;
  color: var(--charcoal);
  padding-left: 0;
  padding-right: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--hairline-strong);
}

.btn-secondary:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
  border-radius: 2px;
}

.hero .btn-secondary {
  color: var(--muted);
}

.hero .btn-secondary:hover {
  color: var(--ink);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 0.125rem;
}

.text-link:hover {
  border-bottom-color: var(--ink);
}

.text-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
  border-radius: 2px;
}

.arrow {
  display: inline-block;
  transition: transform 180ms ease;
}

a:hover .arrow,
a:focus-visible .arrow {
  transform: translateX(0.15rem);
}

a[href^="mailto:"]:hover .arrow,
a[href^="mailto:"]:focus-visible .arrow {
  transform: translate(0.12rem, -0.08rem);
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ── Footer ── */

.site-footer {
  padding: clamp(2rem, 4vw, 2.75rem) var(--gutter) calc(2.5rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--hairline);
  background: var(--silver-deep);
  font-size: 0.875rem;
  color: var(--muted);
}

.footer-notice {
  margin: 0 0 0.75rem;
  max-width: 36rem;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.site-footer p {
  margin: 0 0 0.5rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1rem;
}

.site-footer a {
  color: var(--charcoal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-footer a:hover {
  border-bottom-color: var(--charcoal);
}

.site-footer a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── Motion ── */

.reveal {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-eyebrow,
  .hero-line,
  .hero-secondary,
  .hero-intro,
  .hero-actions,
  .hero-photo,
  .story-copy,
  .story-images {
    opacity: 0;
    transform: translateY(0.75rem);
    animation: reveal-in var(--entry-duration) var(--entry-ease) forwards;
  }

  .hero-eyebrow { animation-delay: 0ms; }
  .hero-line:nth-child(1) { animation-delay: 50ms; }
  .hero-line:nth-child(2) { animation-delay: 100ms; }
  .hero-secondary { animation-delay: 150ms; }
  .hero-intro { animation-delay: 200ms; }
  .hero-actions { animation-delay: 250ms; }
  .hero-photo { animation-delay: 180ms; }
  .story-copy { animation-delay: 80ms; }
  .story-images { animation-delay: 160ms; }

  @keyframes reveal-in {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .arrow {
    transition: none;
  }
}

/* ── Responsive ── */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: clamp(2.5rem, 6vw, 3.5rem);
  }

  .hero-photo {
    order: -1;
    height: clamp(14rem, 52vw, 22rem);
  }

  .living-story {
    grid-template-columns: 1fr;
  }

  .story-images {
    grid-template-columns: 1fr;
  }

  .story-wide,
  .story-detail {
    margin-top: 0;
    height: clamp(12rem, 48vw, 18rem);
  }

  .section-head {
    grid-template-columns: 1fr;
  }

  .advice-columns {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stage-list {
    grid-template-columns: 1fr;
  }

  .stage-list li:nth-child(2),
  .stage-list li:nth-child(3) {
    margin-top: 0;
  }

  .faq {
    grid-template-columns: 1fr;
  }

  .faq .section-head,
  .faq .faq-item {
    grid-column: auto;
  }
}

@media (max-width: 390px) {
  .wordmark {
    font-size: 1.25rem;
  }

  .site-nav {
    gap: 0.5rem 1rem;
  }

  .site-nav a {
    font-size: 0.8125rem;
  }

  .hero-line {
    font-size: clamp(2rem, 9.5vw, 2.75rem);
  }

  .hero-intro {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn-primary {
    justify-content: center;
  }

  .choice-btn {
    flex: 1 1 calc(50% - 0.25rem);
    text-align: center;
    font-size: 0.8125rem;
    padding: 0.5625rem 0.75rem;
  }

  .choice-btn:last-child {
    flex-basis: 100%;
  }

  .compare-table {
    font-size: 0.8125rem;
  }

  .compare-table th,
  .compare-table td {
    padding: 0.75rem 0.5rem;
  }
}

@media (max-width: 320px) {
  :root {
    --gutter: 1rem;
  }

  .site-header {
    flex-wrap: wrap;
    min-height: auto;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .hero-actions .btn {
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
  }
}

@media (min-width: 1440px) {
  .hero,
  .living-story,
  .section,
  .site-header,
  .site-footer {
    padding-left: max(var(--gutter), calc((100vw - var(--max)) / 2));
    padding-right: max(var(--gutter), calc((100vw - var(--max)) / 2));
  }

  .hero-line {
    font-size: 4.75rem;
  }

  .section-head,
  .compare-wrap,
  .compare-note,
  .vorhaben-panels,
  .choice-bar,
  .vorhaben-mail,
  .stage-list {
    max-width: var(--max);
    margin-left: auto;
    margin-right: auto;
  }
}
/* Keep source imagery and its credits fully visible. */
.hero { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); }
.living-story { grid-template-columns: minmax(0, .35fr) minmax(0, .65fr); }
.hero-photo { height: auto; align-self: center; overflow: visible; background: transparent; }
.hero-photo img { height: auto; aspect-ratio: 16 / 9; object-fit: contain; border-radius: 24px; }
.hero-photo figcaption { position: static; width: auto; height: auto; margin: 0; padding: 14px 3px 0; overflow: visible; clip-path: none; white-space: normal; font-size: 12px; color: var(--muted); }
.hero-photo figcaption span, .story-images figcaption span { display: block; margin-top: 4px; font-size: 11px; }
.story-wide, .story-detail { height: auto; overflow: visible; background: transparent; border-radius: 0; }
.story-wide img, .story-detail img { height: auto; aspect-ratio: 3 / 2; object-fit: contain; border-radius: 20px; }
.story-wide figcaption, .story-detail figcaption { padding: 13px 2px 0; }
body { overflow-x: visible; }
@media(max-width: 900px) { .hero, .living-story { grid-template-columns: 1fr; } .hero-photo { order: 0; } }
.contact { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; }
.contact h2 { max-width: none; font-size: clamp(36px, 4vw, 58px); line-height: 1.07; text-wrap: initial; }
.contact-body > p { max-width: 440px; margin: 0 0 24px; color: var(--muted); }
.contact-body .contact-prompt { font-size: 14px; margin: 10px 0 0; }
@media(max-width: 900px) { .contact { grid-template-columns: 1fr; gap: 25px; } }
/* Campaign hero: headline and project context above a full-width device scene. */
.hero { display: block; padding-top: 64px; padding-bottom: 35px; }
.hero-main { display: grid; grid-template-columns: 1.55fr 1fr; column-gap: 55px; max-width: none; align-items: start; }
.hero-eyebrow { grid-column: 1 / -1; margin-bottom: 25px; }
.hero h1 { grid-column: 1; grid-row: 2 / 5; margin: 0; }
.hero-line { font-size: clamp(44px, 5.9vw, 85px); line-height: 1.04; letter-spacing: -.06em; text-wrap: initial; }
.hero-secondary { grid-column: 2; margin-top: 6px; font-size: 17px; }
.hero-intro { grid-column: 2; font-size: 16px; margin-top: 12px; }
.hero-actions { grid-column: 2; margin-top: 22px; }
.hero-photo { margin-top: 48px; }
.hero-photo img { aspect-ratio: 2.4; object-fit: cover; object-position: center 40%; border-radius: 26px; }
.hero-photo figcaption { display: flex; justify-content: space-between; gap: 15px; }
.hero-photo figcaption span { margin: 0; }
.story-images { grid-template-columns: 1fr 1.15fr; }
.story-detail { margin-top: 85px; }
.story-detail img { aspect-ratio: 1; object-fit: cover; }
@media(max-width:900px) {
 .hero-main { display: block; }
 .hero-line { font-size: clamp(40px, 7vw, 68px); }
 .hero-secondary { margin-top: 28px; }
 .hero-intro { max-width: 520px; }
 .hero-photo img { aspect-ratio: 1.5; }
 .story-images { grid-template-columns: 1fr 1fr; }
 .story-detail { margin-top: 60px; }
}
@media(max-width:600px) {
 .hero { padding-top: 36px; }
 .hero-line { font-size: clamp(32px, 8vw, 48px); }
 .hero-photo { margin-top: 28px; }
 .hero-photo img { aspect-ratio: 1.1; object-position: 70% center; border-radius: 18px; }
 .hero-photo figcaption { display: block; }
 .hero-photo figcaption span { margin-top: 5px; }
 .story-images { grid-template-columns: 1fr; }
 .story-detail { margin-top: 15px; }
}
@media(min-width:901px) { .hero-photo img { object-position: center 18%; } }
.installations { background: #e8eaea; }
.installation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px 30px; }
.installation-grid figure { margin: 0; min-width: 0; }
.installation-feature { grid-column: 1 / -1; }
.installation-grid a { display: block; border-radius: 22px; overflow: hidden; }
.installation-grid img { width: 100%; height: auto; aspect-ratio: 3/2; object-fit: contain; transition: transform 400ms ease; }
.installation-grid a:hover img { transform: scale(1.015); }
.installation-grid a:focus-visible { outline: 3px solid #303435; outline-offset: 5px; }
.installation-feature a { max-width: 100%; }
.installation-feature img { aspect-ratio: 2 / 1; object-fit: cover; object-position: center top; }
.installation-grid figcaption { padding-top: 22px; }
.installation-feature figcaption { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.installation-brand { font-size: 12px; color: #565b5e; }
.installation-grid h3 { font-size: clamp(23px, 2.4vw, 33px); line-height: 1.16; letter-spacing: -.04em; margin: 8px 0 14px; }
.installation-grid p { max-width: 490px; font-size: 15px; line-height: 1.7; color: #565b5e; margin: 0; }
.installation-note { margin: 40px 0 0; max-width: 800px; font-size: 12px; color: #606669; line-height: 1.6; }
@media(max-width:700px) { .installation-grid { grid-template-columns: 1fr; gap: 35px; } .installation-feature { grid-column: auto; } .installation-feature figcaption { display: block; } .installation-feature img { aspect-ratio: 3/2; object-fit: contain; } }
@media(prefers-reduced-motion:reduce) { .installation-grid img { transition: none; } .installation-grid a:hover img { transform: none; } }
.editorial-story { background: #f6f6f4; padding: 85px max(24px, calc((100vw - 1280px)/2)) 45px; }
.story-opening { max-width: 740px; margin: 0 auto 90px; text-align: center; }
.editorial-story .eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: #676a6b; margin: 0 0 22px; }
.editorial-story h2 { font-size: clamp(34px,4vw,55px); line-height: 1.06; letter-spacing: -.05em; margin: 0 0 26px; }
.story-opening > p:last-child { max-width: 560px; margin: 0 auto; color: #5b6062; line-height: 1.8; }
.editorial-scene { display: grid; grid-template-columns: 1.25fr 1fr; gap: 75px; align-items: center; margin-bottom: 95px; }
.editorial-scene figure { margin: 0; min-width: 0; }
.editorial-scene img { width: 100%; height: auto; border-radius: 5px; }
.editorial-scene figcaption { font-size: 12px; color: #6a6d6e; margin-top: 13px; }
.scene-bath img { aspect-ratio: 4 / 5; object-fit: cover; object-position: 65% center; }
.scene-detail { grid-template-columns: 1fr 1.35fr; }
.scene-detail .scene-copy { max-width: 420px; }
.scene-copy p:not(.eyebrow) { color: #5b6062; font-size: 16px; line-height: 1.8; margin-bottom: 20px; }
.scene-copy .text-link { margin-top: 12px; }
.editorial-credit { font-size: 12px; color: #727575; margin: 0; }
.hero-photo img { object-position: center 65%; }
@media(max-width:900px) { .editorial-scene { gap: 35px; } }
@media(max-width:650px) { .editorial-story { padding-top: 55px; } .story-opening { text-align: left; margin-bottom: 48px; } .editorial-scene,.scene-detail { grid-template-columns: 1fr; gap: 30px; margin-bottom: 58px; } .scene-detail figure { order: -1; } .scene-bath img { aspect-ratio: 1; } }
.filtration-story { background: #e9ebeb; }

/* ── Jahreszeiten ── */
.seasons { background: #dfe2e2; }
.seasons-head { margin-bottom: 4rem; }
.season-scenes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.5rem, 4vw, 4rem); margin: 0 auto 6rem; max-width: var(--max); }
.season-scene { min-width: 0; }
.season-scene figure { margin: 0 0 1.75rem; }
.season-scene img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 5px; filter: saturate(.78) contrast(.98); }
.season-scene figcaption { margin-top: .8rem; font-size: .75rem; color: var(--muted); }
.season-scene h3 { margin: 0 0 .75rem; font-size: clamp(1.55rem, 2.7vw, 2.35rem); line-height: 1.08; letter-spacing: -.045em; color: var(--ink); }
.season-scene p:not(.eyebrow) { max-width: 34rem; margin: 0; color: var(--charcoal); line-height: 1.72; }
.season-dashboard { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: 1.25rem 4rem; max-width: var(--max); margin: 0 auto; padding-top: 2.25rem; border-top: 1px solid var(--hairline-strong); }
.dashboard-intro { grid-column: 1; }
.dashboard-intro h3 { margin: 0 0 .75rem; max-width: 24rem; font-size: clamp(1.65rem, 3vw, 2.5rem); line-height: 1.08; letter-spacing: -.045em; color: var(--ink); }
.dashboard-intro > p:not(.eyebrow) { max-width: 31rem; margin: 0 0 1rem; color: var(--muted); }
.dashboard-source { font-size: .8125rem; }
.dashboard-source .text-link { font-size: inherit; }
.season-controls { grid-column: 2; display: flex; align-self: start; flex-wrap: wrap; gap: .45rem; }
.season-choice { padding: .6rem .9rem; border: 1px solid var(--hairline-strong); border-radius: 999px; background: transparent; color: var(--charcoal); font: inherit; font-size: .8125rem; cursor: pointer; }
.season-choice:hover, .season-choice.is-active { background: var(--ink); border-color: var(--ink); color: var(--white); }
.season-choice:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.season-status { grid-column: 2; margin: -.2rem 0 0; color: var(--muted); font-size: .875rem; }
.season-panels { grid-column: 2; }
.season-panel { padding: 1.4rem 0 0; border-top: 1px solid var(--hairline); }
.season-panel[hidden] { display: none; }
.dashboard-kicker { margin: 0 0 .35rem; color: var(--muted); font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase; }
.season-panel h4 { margin: 0 0 1rem; font-size: clamp(1.2rem, 2vw, 1.55rem); color: var(--ink); }
.season-panel dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin: 0; }
.season-panel dl div { padding-top: .65rem; border-top: 1px solid var(--hairline); }
.season-panel dt { color: var(--muted); font-size: .75rem; }
.season-panel dd { margin: .2rem 0 0; color: var(--ink); font-size: .95rem; }
.dashboard-note { grid-column: 2; margin: 0; padding-top: 1.1rem; border-top: 1px solid var(--hairline); color: var(--muted); font-size: .8125rem; line-height: 1.65; }
@media(max-width:900px) { .season-dashboard { grid-template-columns: 1fr; gap: 1.25rem; } .dashboard-intro,.season-controls,.season-status,.season-panels,.dashboard-note { grid-column: auto; } }
@media(max-width:650px) { .season-scenes { grid-template-columns: 1fr; margin-bottom: 4rem; } .season-scene img { aspect-ratio: 4 / 3; } .season-panel dl { gap: .5rem; } .season-panel dd { font-size: .8125rem; } }
@media(max-width:390px) { .season-choice { flex: 1 1 calc(50% - .25rem); } .season-choice:last-child { flex-basis: 100%; } }

.micro-study { margin: 0 0 85px; }
.micro-study img { width: 100%; height: auto; max-height: 600px; object-fit: cover; object-position: center; border-radius: 5px; }
.micro-labels { display: grid; grid-template-columns: repeat(3,1fr); text-align: center; font-size: 17px; padding: 20px 0 10px; }
.micro-study figcaption p { font-size: 12px; text-align: center; color: #676c6e; }
.filter-scene { margin-bottom: 0; }
.quiet-tech { background: #f7f7f5; }
.quiet-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-bottom: 32px; }
.quiet-grid figure { margin: 0; }
.quiet-grid img { width: 100%; height: auto; border-radius: 5px; }
.quiet-grid h3 { font-size: 27px; letter-spacing: -.04em; margin: 22px 0 10px; }
.quiet-grid p { font-size: 15px; line-height: 1.7; color: #5b6062; max-width: 490px; }
.quiet-grid figcaption span { color: #757a7b; font-size: 12px; }
@media(max-width:650px) { .quiet-grid { grid-template-columns: 1fr; } .micro-study { margin-bottom: 50px; } .micro-study img { object-fit: contain; } .micro-labels { font-size: 13px; } }

/* Keep the dashboard controls and readout together alongside the explanation. */
.dashboard-intro { grid-row: 1 / 5; }
.season-controls { grid-row: 1; }
.season-status { grid-row: 2; }
.season-panels { grid-row: 3; }
.dashboard-note { grid-row: 4; }
.season-panel { min-height: 175px; }
.season-panel dl { gap: 1rem; }
.season-panel dd { font-size: clamp(14px,1.3vw,19px); line-height: 1.3; }
.energy-context { display: grid; grid-template-columns: 1fr 1.35fr; gap: 4rem; margin: 70px auto 32px; max-width: var(--max); padding-top: 36px; border-top: 1px solid var(--hairline-strong); }
.energy-context h3 { font-size: clamp(25px,3vw,38px); letter-spacing: -.04em; line-height: 1.12; margin: 0; }
.energy-context p { margin: 0 0 16px; color: var(--muted); line-height: 1.75; }
.season-controls { display: none; }
.js-ready .season-controls { display: flex; }
@media(max-width:900px) { .dashboard-intro,.season-controls,.season-status,.season-panels,.dashboard-note { grid-row:auto; } .energy-context { grid-template-columns:1fr; gap:24px; } }

.controller-editorial { margin: 0 auto 75px; max-width: var(--max); }
.controller-editorial .section-head { margin-bottom: 40px; }
.controller-editorial .editorial-credit { max-width: 900px; line-height: 1.65; }