/* ============================================================
   Küspert & Küspert — Redesign 2026
   Design-System: warmes Anthrazit + Logo-Orange + Serif-Headlines
   ============================================================ */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, picture, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }
input, textarea, select { font: inherit; color: inherit; }

/* --- Tokens --- */
:root {
  /* Brand */
  --color-brand: #EF7D00;
  --color-brand-dark: #C9650C;
  --color-brand-soft: #FBE9D2;

  /* Neutrals (warm) */
  --color-ink: #1A1A18;
  --color-ink-2: #2A2A28;
  --color-text: #3A3A36;
  --color-muted: #6E6E68;
  --color-line: #E6E2DA;
  --color-line-soft: #EFEBE3;
  --color-bg: #FAF8F3;
  --color-bg-soft: #F4F0E8;
  --color-card: #FFFFFF;

  /* Spacing */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px;

  /* Layout */
  --container: 1200px;
  --container-wide: 1400px;
  --radius: 4px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(26,26,24,.04), 0 1px 3px rgba(26,26,24,.06);
  --shadow-md: 0 4px 12px rgba(26,26,24,.06), 0 8px 24px rgba(26,26,24,.06);
  --shadow-lg: 0 10px 30px rgba(26,26,24,.10), 0 20px 60px rgba(26,26,24,.10);

  /* Type */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Source Serif 4", "Source Serif Pro", "Georgia", serif;

  /* Motion */
  --ease: cubic-bezier(.4,.14,.3,1);
  --t-fast: 160ms;
  --t-base: 240ms;
  --t-slow: 480ms;
}

/* --- Base typography --- */
html { font-size: 16px; }
body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  font-feature-settings: "ss01", "cv01";
}

h1,h2,h3,h4 {
  font-family: var(--font-serif);
  color: var(--color-ink);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
h1 { font-size: clamp(2.25rem, 4.5vw + .5rem, 4.25rem); font-weight: 500; letter-spacing: -.02em; }
h2 { font-size: clamp(1.75rem, 2.4vw + .5rem, 2.75rem); }
h3 { font-size: clamp(1.25rem, 1vw + .8rem, 1.625rem); line-height: 1.25; }
h4 { font-size: 1.125rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0; }

p { color: var(--color-text); }
p + p { margin-top: 1em; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-brand);
  margin-bottom: var(--s-4);
}
.eyebrow::before { content: "—  "; color: var(--color-brand); }

.lead {
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--color-ink-2);
  font-weight: 400;
  max-width: 60ch;
}
.muted { color: var(--color-muted); }

/* --- Layout --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--s-5); }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--s-5); }

section { padding: var(--s-9) 0; }
section.tight { padding: var(--s-7) 0; }
.bg-soft { background: var(--color-bg-soft); }
.bg-ink { background: var(--color-ink); color: #E9E6DE; }
.bg-ink h1, .bg-ink h2, .bg-ink h3 { color: #FFF; }
.bg-ink p { color: #C5C2BB; }

.section-head {
  max-width: 760px;
  margin: 0 auto var(--s-7);
  text-align: center;
}
.section-head .lead { margin: var(--s-4) auto 0; }

/* Grid utilities */
.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 880px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 600px) and (max-width: 1100px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* --- Header / Nav --- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 243, 0.92);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
  max-width: var(--container-wide);
  margin: 0 auto; padding: 0 var(--s-5);
}
.brand-logo { display: flex; align-items: center; gap: var(--s-3); }
.brand-logo img { height: 36px; width: auto; }
.nav-primary {
  display: flex; gap: var(--s-2); align-items: center;
}
.nav-primary a {
  padding: var(--s-2) var(--s-3);
  font-size: .95rem;
  color: var(--color-ink-2);
  border-radius: var(--radius);
  font-weight: 500;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav-primary a:hover { color: var(--color-brand); }
.nav-primary a.active { color: var(--color-brand); }
.nav-primary a.cta {
  background: var(--color-ink);
  color: #FFF;
  margin-left: var(--s-3);
  padding: 10px 20px;
}
.nav-primary a.cta:hover { background: var(--color-brand); color: #fff; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--radius);
  align-items: center; justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block; width: 22px; height: 2px;
  background: var(--color-ink);
  transition: transform var(--t-base) var(--ease);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { content: ""; position: absolute; top: -7px; left: 0; }
.nav-toggle span::after  { content: ""; position: absolute; top:  7px; left: 0; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span::after  { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .nav-primary {
    position: fixed; inset: 72px 0 0; z-index: 49;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--color-bg);
    padding: var(--s-5);
    border-top: 1px solid var(--color-line);
    transform: translateY(-110%);
    transition: transform var(--t-base) var(--ease);
    overflow-y: auto;
  }
  .nav-primary.is-open { transform: translateY(0); }
  .nav-primary a {
    padding: var(--s-4);
    border-bottom: 1px solid var(--color-line-soft);
    font-size: 1.125rem;
  }
  .nav-primary a.cta { margin: var(--s-4) 0 0; text-align: center; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 14px 24px;
  font-weight: 600;
  font-size: .95rem;
  border-radius: var(--radius);
  transition: all var(--t-fast) var(--ease);
  white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid var(--color-brand-soft); outline-offset: 2px; }
.btn--primary {
  background: var(--color-ink);
  color: #FFF;
}
.btn--primary:hover {
  background: var(--color-brand);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  border: 1.5px solid var(--color-ink);
  color: var(--color-ink);
}
.btn--ghost:hover { background: var(--color-ink); color: #FFF; }
.btn--brand {
  background: var(--color-brand);
  color: #FFF;
}
.btn--brand:hover { background: var(--color-brand-dark); }
.btn--text {
  padding: 0;
  color: var(--color-ink);
  font-weight: 600;
  border-bottom: 1.5px solid var(--color-brand);
  border-radius: 0;
  padding-bottom: 2px;
}
.btn--text:hover { color: var(--color-brand); }
.btn .arrow { transition: transform var(--t-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex; align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
  background: var(--color-ink);
}
.hero__media {
  position: absolute; inset: 0; z-index: -2;
}
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero__overlay {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(26,26,24,.45) 0%, rgba(26,26,24,.15) 35%, rgba(26,26,24,.78) 100%),
    linear-gradient(90deg, rgba(26,26,24,.55) 0%, rgba(26,26,24,0) 50%);
}
.hero__content {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: var(--s-9) var(--s-5);
  color: #FFF;
}
.hero h1 { color: #FFF; max-width: 22ch; }
.hero h1 em {
  font-style: italic;
  color: var(--color-brand);
  font-weight: 400;
}
.hero__sub {
  margin-top: var(--s-5);
  max-width: 56ch;
  font-size: 1.25rem;
  line-height: 1.55;
  color: rgba(255,255,255,.88);
}
.hero__actions {
  margin-top: var(--s-6);
  display: flex; flex-wrap: wrap; gap: var(--s-3);
}
.hero__actions .btn--primary { background: var(--color-brand); color: #FFF; }
.hero__actions .btn--primary:hover { background: #FFF; color: var(--color-ink); }
.hero__actions .btn--ghost { color: #FFF; border-color: rgba(255,255,255,.5); }
.hero__actions .btn--ghost:hover { background: #FFF; color: var(--color-ink); border-color: #FFF; }

.hero__meta {
  position: absolute;
  bottom: var(--s-5);
  right: var(--s-5);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  z-index: 1;
}

/* Page hero (smaller) */
.page-hero {
  position: relative;
  min-height: 360px;
  display: flex; align-items: flex-end;
  overflow: hidden; isolation: isolate;
  background: var(--color-ink);
}
.page-hero__media { position: absolute; inset: 0; z-index: -2; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(26,26,24,.5) 0%, rgba(26,26,24,.4) 50%, rgba(26,26,24,.85) 100%);
}
.page-hero__content {
  width: 100%; max-width: var(--container-wide);
  margin: 0 auto; padding: var(--s-9) var(--s-5) var(--s-7);
  color: #FFF;
}
.page-hero h1 { color: #FFF; max-width: 24ch; }
.page-hero .crumbs {
  font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--s-4);
}
.page-hero .crumbs a { color: inherit; opacity: .85; }
.page-hero .crumbs a:hover { opacity: 1; }
.page-hero .crumbs span { color: rgba(255,255,255,.6); margin: 0 var(--s-2); }

/* --- USP strip / facts --- */
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-card);
}
.facts__item {
  padding: var(--s-7) var(--s-5);
  border-right: 1px solid var(--color-line);
  text-align: center;
}
.facts__item:last-child { border-right: none; }
.facts__num {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.facts__num span { color: var(--color-brand); }
.facts__lbl {
  margin-top: var(--s-2);
  font-size: .85rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
}
@media (max-width: 800px) {
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts__item:nth-child(2n) { border-right: none; }
  .facts__item:nth-child(-n+2) { border-bottom: 1px solid var(--color-line); }
}

/* --- Geschäftsfelder Cards --- */
.fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-5); }
.field-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.field-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.field-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-soft);
}
.field-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}
.field-card:hover .field-card__media img { transform: scale(1.04); }
.field-card__body { padding: var(--s-6); flex: 1; display: flex; flex-direction: column; }
.field-card__num {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-brand);
  letter-spacing: .12em;
  margin-bottom: var(--s-3);
}
.field-card h3 { margin-bottom: var(--s-3); }
.field-card p { color: var(--color-muted); margin-bottom: var(--s-5); flex: 1; }
.field-card__link {
  display: inline-flex; align-items: center; gap: var(--s-2);
  color: var(--color-ink);
  font-weight: 600;
  font-size: .95rem;
}
.field-card__link::after {
  content: "→";
  transition: transform var(--t-fast) var(--ease);
  color: var(--color-brand);
}
.field-card:hover .field-card__link::after { transform: translateX(4px); }
@media (max-width: 720px) {
  .fields { grid-template-columns: 1fr; }
}

/* --- Two-column section (text + image) --- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-9);
  align-items: center;
}
.split--reverse .split__media { order: -1; }
.split__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-bg-soft);
}
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split__media--wide { aspect-ratio: 4 / 3; }
.split__media--tall { aspect-ratio: 3 / 4; }
.split__media .badge {
  position: absolute; bottom: var(--s-4); left: var(--s-4);
  background: rgba(26,26,24,.85); color: #FFF;
  padding: 8px 14px; border-radius: var(--radius);
  font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
}
@media (max-width: 980px) {
  .split { grid-template-columns: 1fr; gap: var(--s-6); }
  .split--reverse .split__media { order: 0; }
}

/* --- Values list (Leitbild) --- */
.values {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-line);
}
.values__item {
  padding: var(--s-7) var(--s-5);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.values__item:last-child { border-right: none; }
.values__num {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-brand);
  font-weight: 500;
}
.values__item h4 {
  margin: var(--s-3) 0 var(--s-2);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -.01em;
}
.values__item p { color: var(--color-muted); font-size: .95rem; }
@media (max-width: 1100px) {
  .values { grid-template-columns: repeat(2, 1fr); }
  .values__item:nth-child(2n) { border-right: none; }
}
@media (max-width: 600px) {
  .values { grid-template-columns: 1fr; }
  .values__item { border-right: none; }
}

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: var(--s-7);
  border-left: 2px solid var(--color-line);
  max-width: 720px;
  margin: 0 auto;
}
.timeline__item { position: relative; padding-bottom: var(--s-7); }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: ""; position: absolute;
  left: calc(var(--s-7) * -1 - 7px);
  top: 8px;
  width: 12px; height: 12px;
  background: var(--color-brand);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--color-bg);
}
.timeline__year {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-brand);
  font-weight: 500;
  margin-bottom: var(--s-1);
}
.timeline__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-ink);
  font-weight: 500;
  letter-spacing: -.01em;
}
.timeline__desc { color: var(--color-muted); font-size: .95rem; margin-top: 2px; }

/* --- Team --- */
.team {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
}
.team-card {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.team-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.team-card__media {
  aspect-ratio: 360 / 214;
  background: var(--color-bg-soft);
  overflow: hidden;
}
.team-card__media img { width:100%; height:100%; object-fit: cover; }
.team-card__body { padding: var(--s-5); }
.team-card h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem; font-weight: 500;
  margin-bottom: 4px;
}
.team-card .role { font-size: .85rem; color: var(--color-brand); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.team-card .contact { margin-top: var(--s-3); font-size: .9rem; color: var(--color-muted); }
.team-card .contact a { color: var(--color-text); border-bottom: 1px solid var(--color-line); }
.team-card .contact a:hover { color: var(--color-brand); border-color: var(--color-brand); }
@media (max-width: 1000px) { .team { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .team { grid-template-columns: 1fr; } }

/* --- Logo wall (Kunden) --- */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border: 1px solid var(--color-line);
  background: var(--color-card);
  border-radius: var(--radius);
}
.logo-wall__item {
  display: flex; align-items: center; justify-content: center;
  padding: var(--s-5);
  aspect-ratio: 4 / 3;
  border-right: 1px solid var(--color-line-soft);
  border-bottom: 1px solid var(--color-line-soft);
}
.logo-wall__item img {
  max-width: 80%; max-height: 60%;
  width: auto; height: auto;
  object-fit: contain;
  filter: grayscale(1) opacity(.65);
  transition: filter var(--t-base) var(--ease);
}
.logo-wall__item:hover img { filter: grayscale(0) opacity(1); }
@media (max-width: 1000px) { .logo-wall { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px)  { .logo-wall { grid-template-columns: repeat(2, 1fr); } }

/* --- Case studies --- */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); }
.case-card {
  background: var(--color-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-line);
  display: flex; flex-direction: column;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.case-card__media { aspect-ratio: 16 / 11; overflow: hidden; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease); }
.case-card:hover .case-card__media img { transform: scale(1.05); }
.case-card__body { padding: var(--s-5); }
.case-card__cat {
  display: inline-block;
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-brand); font-weight: 700;
  margin-bottom: var(--s-2);
}
.case-card h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem; font-weight: 500;
  margin-bottom: var(--s-2);
}
.case-card p { color: var(--color-muted); font-size: .9rem; }
@media (max-width: 920px) { .cases { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cases { grid-template-columns: 1fr; } }

/* --- Quote / Testimonial --- */
.quote-block {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--s-7) var(--s-5);
}
.quote-block::before {
  content: "\201C";
  display: block;
  font-family: var(--font-serif);
  font-size: 6rem;
  line-height: 1;
  color: var(--color-brand);
  margin-bottom: var(--s-3);
  font-weight: 600;
}
.quote-block p {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw + .25rem, 1.75rem);
  line-height: 1.4;
  color: var(--color-ink);
  letter-spacing: -.01em;
}
.quote-block cite {
  display: block;
  margin-top: var(--s-5);
  font-style: normal;
  font-size: .85rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* --- Reports / PDFs list --- */
.reports { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); }
.report {
  display: flex; flex-direction: column;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--s-5);
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}
.report:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.report__icon {
  width: 40px; height: 48px;
  background: var(--color-brand-soft);
  color: var(--color-brand);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; font-weight: 700; letter-spacing: .1em;
  margin-bottom: var(--s-4);
}
.report__cat { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-brand); font-weight: 700; }
.report h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem; font-weight: 500;
  margin: var(--s-2) 0 var(--s-3);
}
.report__meta { font-size: .85rem; color: var(--color-muted); margin-bottom: var(--s-4); }
.report__link {
  margin-top: auto;
  font-weight: 600; font-size: .9rem;
  color: var(--color-ink);
  display: inline-flex; align-items: center; gap: var(--s-2);
}
.report__link::after { content: "↓"; color: var(--color-brand); }
@media (max-width: 920px) { .reports { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .reports { grid-template-columns: 1fr; } }

/* --- Anchor sub-nav (sticky chapter nav) --- */
.subnav {
  position: sticky; top: 72px; z-index: 40;
  background: rgba(250, 248, 243, .92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.subnav__inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--s-5);
  display: flex; gap: var(--s-2);
  overflow-x: auto;
  scrollbar-width: none;
}
.subnav__inner::-webkit-scrollbar { display: none; }
.subnav a {
  white-space: nowrap;
  padding: var(--s-4) var(--s-3);
  font-size: .9rem;
  color: var(--color-muted);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.subnav a:hover, .subnav a.active {
  color: var(--color-ink);
  border-color: var(--color-brand);
}

/* --- Solutions tabs (Mieter / Eigentümer) --- */
.tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--s-6);
}
.tabs button {
  padding: var(--s-3) var(--s-5);
  font-weight: 600; color: var(--color-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--t-fast) var(--ease);
}
.tabs button[aria-selected="true"] {
  color: var(--color-ink);
  border-color: var(--color-brand);
}
.tab-panel { display: none; }
.tab-panel[data-active="true"] { display: block; animation: fadeIn 280ms var(--ease); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.bullet-list { list-style: none; display: grid; gap: var(--s-3); }
.bullet-list li {
  position: relative; padding-left: 28px;
  color: var(--color-text);
}
.bullet-list li::before {
  content: ""; position: absolute;
  left: 0; top: 11px;
  width: 8px; height: 8px;
  background: var(--color-brand);
  border-radius: 50%;
}

/* --- CTA banner --- */
.cta-banner {
  position: relative;
  padding: var(--s-9) var(--s-5);
  text-align: center;
  background: var(--color-ink);
  color: #FFF;
  overflow: hidden;
}
.cta-banner::before {
  content: ""; position: absolute; inset: 0; opacity: .15; z-index: 0;
  background:
    radial-gradient(900px circle at 20% 0%, var(--color-brand), transparent 50%),
    radial-gradient(700px circle at 80% 100%, var(--color-brand), transparent 50%);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: #FFF; margin-bottom: var(--s-3); }
.cta-banner p { color: rgba(255,255,255,.8); max-width: 540px; margin: 0 auto var(--s-6); }

/* --- Forms --- */
.form { display: grid; gap: var(--s-4); max-width: 600px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field {
  display: grid; gap: 6px;
}
.field label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-ink-2);
}
.field input, .field select, .field textarea {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 1rem;
  color: var(--color-ink);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-brand-soft);
}
.field textarea { min-height: 140px; resize: vertical; }
.field--full { grid-column: 1 / -1; }
.req { color: var(--color-brand); }

/* --- Map --- */
.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-line);
  aspect-ratio: 16 / 10;
  background: var(--color-bg-soft);
}
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* --- News list --- */
.news-list { display: grid; gap: 0; border-top: 1px solid var(--color-line); }
.news-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: var(--s-5);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
  transition: padding var(--t-fast) var(--ease);
}
.news-item:hover { padding-left: var(--s-3); }
.news-item__date {
  font-family: var(--font-serif);
  color: var(--color-brand);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .04em;
}
.news-item__cat {
  display: block; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--color-muted);
  margin-top: 4px;
}
.news-item h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem; font-weight: 500;
  margin-bottom: var(--s-2);
}
.news-item p { color: var(--color-muted); font-size: .95rem; }
.news-item .arrow {
  font-size: 1.5rem; color: var(--color-brand);
  align-self: center;
  transition: transform var(--t-fast) var(--ease);
}
.news-item:hover .arrow { transform: translateX(4px); }
@media (max-width: 640px) {
  .news-item { grid-template-columns: 1fr; gap: var(--s-2); }
  .news-item .arrow { display: none; }
}

/* --- Footer --- */
.site-footer {
  background: var(--color-ink);
  color: #C5C2BB;
  padding: var(--s-9) 0 var(--s-5);
  margin-top: var(--s-9);
}
.site-footer h4 {
  color: #FFF;
  font-family: var(--font-sans);
  font-size: .85rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: var(--s-4);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--s-7);
  padding-bottom: var(--s-7);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-footer__grid ul { list-style: none; display: grid; gap: var(--s-2); }
.site-footer__grid a {
  color: #C5C2BB;
  font-size: .95rem;
  transition: color var(--t-fast) var(--ease);
}
.site-footer__grid a:hover { color: var(--color-brand); }
.site-footer__brand > img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: var(--s-4);
}
.site-footer__brand p { font-size: .9rem; color: #999591; }
.site-footer__legal {
  padding-top: var(--s-5);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s-4);
  font-size: .85rem;
  color: #777370;
}
.site-footer__legal a { color: inherit; }
.site-footer__legal a:hover { color: var(--color-brand); }
.site-footer__memberships {
  display: flex; gap: var(--s-5); align-items: center;
  margin-top: var(--s-4);
}
.site-footer__memberships img {
  height: 50px; width: auto;
  background: #FFF;
  padding: 6px;
  border-radius: 4px;
  opacity: .9;
}
@media (max-width: 880px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .site-footer__grid { grid-template-columns: 1fr; }
}

/* --- Reveal on scroll ---
   Progressive enhancement: ohne JS bleibt alles sichtbar.
   Erst wenn JS .js-reveals auf <html> setzt, werden noch nicht erreichte
   Elemente versteckt — und vom IntersectionObserver wieder eingeblendet. */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.js-reveals .reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(16px);
}

/* --- Skiplink --- */
.skiplink {
  position: absolute; top: -100px; left: 0;
  background: var(--color-ink);
  color: #FFF;
  padding: 12px 16px;
  z-index: 200;
}
.skiplink:focus { top: 0; }

/* Selection */
::selection { background: var(--color-brand); color: #FFF; }

/* Print */
@media print {
  .site-header, .site-footer, .cta-banner, .nav-toggle { display: none; }
  body { background: #FFF; }
}

/* --- Utility classes --- */
.u-center  { text-align: center; }
.u-mt-0  { margin-top: 0 !important; }
.u-mt-3  { margin-top: var(--s-3); }
.u-mt-5  { margin-top: var(--s-5); }
.u-mt-7  { margin-top: var(--s-7); }
.u-mb-5  { margin-bottom: var(--s-5); }
.u-mb-7  { margin-bottom: var(--s-7); }