/* ==========================================================================
   NUMA PROJEKTBAU GmbH — Stylesheet
   Monochrom, architektonisch, warm-neutral. Keine externen Ressourcen.
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Farben — Espresso & Beige */
  --ink:        #241c15;   /* Überschriften, dunkle Schrift */
  --ink-soft:   #3c332b;   /* Fließtext */
  --muted:      #786b5e;   /* Nebentext */
  --muted-2:    #a6998b;   /* Labels, sehr zurückhaltend */
  --line:       #e5ddd3;   /* Rahmen und Trennlinien */
  --line-soft:  #f0eae2;
  --paper:      #ffffff;
  --sand:       #f6f3ef;   /* der Beigeton – bewusst unverändert */
  --sand-2:     #ece5db;
  --dark:       #2e241c;   /* Espresso: Hero, dunkle Abschnitte */
  --dark-2:     #261d16;   /* Footer, eine Spur tiefer */
  --on-dark-muted: #b3a698;

  /* Typografie */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
          Helvetica, Arial, "Noto Sans", sans-serif;

  /* Maße */
  --wrap: 1180px;
  --gutter: 24px;
  --radius: 4px;
  --sec-y: clamp(72px, 9vw, 132px);

  /* Bewegung */
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 600; letter-spacing: -0.022em; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Layout-Helfer ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--sec-y) 0; }
.section--sand { background: var(--sand); }
.section--dark { background: var(--dark); color: var(--on-dark-muted); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 2px; }
.section--dark :focus-visible { outline-color: #fff; }

/* ---------- Typo-Bausteine ---------- */
.eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 20px; display: block;
}
.section--dark .eyebrow { color: var(--muted-2); }

.h-display {
  font-size: clamp(2.25rem, 5.4vw, 4.1rem);
  line-height: 1.06; letter-spacing: -0.032em; font-weight: 600;
}
.h-section {
  font-size: clamp(1.85rem, 3.6vw, 2.85rem);
  line-height: 1.14; letter-spacing: -0.028em;
}
.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.65; color: var(--muted); max-width: 62ch;
}
.section--dark .lead { color: var(--on-dark-muted); }
.muted { color: var(--muted); }
em.accent { font-style: normal; color: var(--muted-2); }

.sec-head { max-width: 720px; margin-bottom: clamp(44px, 5vw, 72px); }
.sec-head .lead { margin-top: 22px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; letter-spacing: -0.01em;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: background .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease), transform .25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #000; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(0,0,0,.03); }
.btn--on-dark { background: #fff; color: var(--ink); }
.btn--on-dark:hover { background: #f0f0f0; }
.btn--ghost-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.28); }
.btn--ghost-dark:hover { border-color: #fff; background: rgba(255,255,255,.07); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.arrow { width: 15px; height: 15px; flex: none; }

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255,255,255,0);
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease),
              backdrop-filter .35s var(--ease);
}
.header.is-stuck {
  background: rgba(246,243,239,.96);   /* gleicher Beigeton wie --sand */
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line-soft);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: 78px;
}
.header.is-stuck .header__inner { height: 68px; }
.header__inner, .header.is-stuck .header__inner { transition: height .35s var(--ease); }

.brand { display: flex; align-items: center; text-decoration: none; flex: none; }
.brand img { height: 42px; width: auto; transition: opacity .3s var(--ease); }
@media (max-width: 640px) { .brand img { height: 36px; } }
.brand .logo-light { display: block; }
.brand .logo-dark  { display: none; }
.header.is-stuck .brand .logo-light { display: none; }
.header.is-stuck .brand .logo-dark  { display: block; }

.nav { display: flex; align-items: center; gap: 34px; }
.nav a {
  position: relative; text-decoration: none; font-size: 15px; font-weight: 500;
  color: rgba(255,255,255,.82); letter-spacing: -0.005em; padding: 4px 0;
  transition: color .25s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a:hover { color: #fff; }
.header.is-stuck .nav a { color: var(--muted); }
.header.is-stuck .nav a:hover, .header.is-stuck .nav a.is-active { color: var(--ink); }

.header__cta { display: inline-flex; }
.header .btn--nav {
  padding: 11px 20px; font-size: 14px;
  background: #fff; color: var(--ink);
}
.header.is-stuck .btn--nav { background: var(--ink); color: #fff; }

/* Burger */
.burger {
  display: none; width: 44px; height: 44px; margin-right: -10px;
  background: none; border: 0; cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
}
.burger span {
  display: block; position: relative; width: 22px; height: 1.5px;
  background: #fff; transition: background .2s var(--ease), transform .3s var(--ease);
}
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 22px; height: 1.5px; background: inherit;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.burger span::before { top: -7px; }
.burger span::after  { top: 7px; }
.header.is-stuck .burger span { background: var(--ink); }
body.nav-open .burger span { background: transparent; }
body.nav-open .burger span::before { background: var(--ink); transform: translateY(7px) rotate(45deg); }
body.nav-open .burger span::after  { background: var(--ink); transform: translateY(-7px) rotate(-45deg); }

/* Mobile Panel */
.mobile-nav {
  position: fixed; inset: 0; z-index: 90; background: var(--paper);
  padding: 110px var(--gutter) 40px;
  display: flex; flex-direction: column; gap: 4px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  overflow-y: auto;
}
body.nav-open .mobile-nav { opacity: 1; visibility: visible; transform: none; }
body.nav-open { overflow: hidden; }
.mobile-nav a {
  text-decoration: none; color: var(--ink); font-size: 1.6rem; font-weight: 600;
  letter-spacing: -0.028em; padding: 14px 0; border-bottom: 1px solid var(--line-soft);
}
.mobile-nav .btn { margin-top: 28px; }
.mobile-nav__meta { margin-top: auto; padding-top: 36px; font-size: 15px; color: var(--muted); }
.mobile-nav__meta a { text-decoration: none; font-size: inherit; font-weight: 500; padding: 0; border: 0; display: block; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; background: var(--dark); color: #fff; overflow: hidden;
  padding: clamp(150px, 20vh, 210px) 0 clamp(84px, 11vw, 130px);
  isolation: isolate;
}
/* Foto rechts, läuft weich in den dunklen Hintergrund unter dem Text aus */
.hero__media {
  position: absolute; top: 0; bottom: 0; right: 0; left: 30%;
  background: var(--dark) url("../img/hero-dachgeschoss.jpg?v=5") center 52% / cover no-repeat;
  z-index: -1; pointer-events: none;
}
.hero__media::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--dark) 0%, rgba(46,36,28,.82) 14%, rgba(46,36,28,.45) 32%, rgba(46,36,28,.12) 52%, rgba(46,36,28,0) 70%);
}
/* oben leicht abdunkeln, damit die Navigation lesbar bleibt */
.hero__media::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 170px;
  background: linear-gradient(180deg, rgba(30,23,17,.6), rgba(30,23,17,0));
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.14), transparent);
}
.hero__inner { max-width: 56%; }
.hero .h-display { font-size: clamp(2.05rem, 4vw, 3.15rem); }
@media (max-width: 1180px) { .hero__inner { max-width: 58%; } }
.hero .eyebrow { color: rgba(255,255,255,.6); }
.hero h1 { color: #fff; }
.hero__sub {
  margin-top: 28px; max-width: 60ch;
  font-size: clamp(1.05rem, 1.55vw, 1.24rem); line-height: 1.62; color: rgba(255,255,255,.72);
}
.hero .btn-row { margin-top: 44px; }

.hero__facts {
  margin-top: clamp(60px, 8vw, 96px); padding-top: 34px;
  border-top: 1px solid rgba(255,255,255,.14);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
  max-width: 100%;
}
.hero__fact dt {
  font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.56); margin-bottom: 8px;
}
.hero__fact dd { margin: 0; font-size: 15px; color: rgba(255,255,255,.86); line-height: 1.5; }

.contact__hint { margin-top: 8px; font-size: 14.5px; opacity: .8; }

/* ==========================================================================
   Partnerunternehmen (Numa Real Estate)
   ========================================================================== */
.partner { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(36px, 6vw, 88px); align-items: center; }
.partner__card {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px;
  padding: clamp(36px, 4.5vw, 60px) clamp(24px, 3vw, 40px); border-radius: var(--radius);
  background: var(--dark); color: #fff; text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease;
}
.partner__card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(46,36,28,.22); }
.partner__logo { width: clamp(180px, 22vw, 240px); height: auto; margin-bottom: 18px; }
.partner__name { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 600; letter-spacing: -0.02em; }
.partner__btn { margin-top: 30px; }
.partner__sub { font-size: 11.5px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.56); }
.partner__steps { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 30px; }
.partner__steps span { padding: 7px 14px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; font-size: 14px; color: rgba(255,255,255,.86); }
.footer__partner { margin-top: 14px; }
.footer__partner a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 900px) { .partner { grid-template-columns: 1fr; } }

/* ==========================================================================
   Vorher / Nachher
   ========================================================================== */
.vn { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(36px, 6vw, 88px); align-items: center; }
.vn__credit { margin-top: 18px; font-size: 14.5px; color: var(--muted); }
.vn__slider {
  position: relative; aspect-ratio: 3 / 4; max-height: 82vh; width: 100%; margin-left: auto;
  overflow: hidden; border-radius: var(--radius); background: var(--sand-2);
  user-select: none; -webkit-user-select: none; touch-action: pan-y;
}
.vn__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.vn__img--vorher { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.vn__slider::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px;
  background: #fff; box-shadow: 0 0 10px rgba(0,0,0,.25); pointer-events: none;
}
.vn__handle {
  position: absolute; top: 50%; left: var(--pos); z-index: 2; width: 46px; height: 46px; margin: -23px 0 0 -23px;
  display: grid; place-items: center; border-radius: 50%; background: #fff; color: var(--ink);
  box-shadow: 0 4px 16px rgba(0,0,0,.25); pointer-events: none;
}
.vn__handle svg { width: 22px; height: 22px; }
.vn__label {
  position: absolute; top: 16px; z-index: 2; padding: 6px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  background: rgba(30,23,17,.6); color: #fff; pointer-events: none;
}
.vn__label--vorher { left: 16px; }
.vn__label--nachher { right: 16px; }
.vn__range {
  position: absolute; inset: 0; z-index: 3; width: 100%; height: 100%; margin: 0;
  opacity: 0; cursor: ew-resize; -webkit-appearance: none; appearance: none; background: transparent;
}
.vn__range::-webkit-slider-thumb { -webkit-appearance: none; width: 60px; height: 100vh; }
.vn__range::-moz-range-thumb { width: 60px; height: 100vh; border: 0; }
.vn__slider:has(.vn__range:focus-visible) .vn__handle { outline: 3px solid var(--ink); outline-offset: 3px; }
@media (max-width: 900px) { .vn { grid-template-columns: 1fr; } .vn__slider { max-height: none; } }

/* ==========================================================================
   Leistungen
   ========================================================================== */
.grid-services {
  display: grid; gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  grid-template-columns: repeat(3, 1fr);
}
.service {
  background: var(--paper); padding: clamp(30px, 3.4vw, 46px);
  display: flex; flex-direction: column; gap: 14px;
  transition: background .3s var(--ease);
}
.service:hover { background: var(--sand); }
/* acht Leistungen: am Computer vier Spalten, zwei volle Reihen */
@media (min-width: 1025px) { .grid-services { grid-template-columns: repeat(4, 1fr); } }
.service__num {
  font-size: 12px; font-weight: 600; letter-spacing: .14em; color: var(--muted-2);
}
.service h3 { font-size: 1.22rem; letter-spacing: -0.02em; }
.service p { font-size: 15.5px; line-height: 1.62; color: var(--muted); }

.coord {
  margin-top: 28px; background: var(--dark); color: #fff;
  border-radius: var(--radius); padding: clamp(34px, 4vw, 56px);
  display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(28px, 4vw, 60px); align-items: center;
}
.coord h3 { color: #fff; font-size: clamp(1.4rem, 2.2vw, 1.85rem); letter-spacing: -0.026em; }
.coord p { margin-top: 16px; color: rgba(255,255,255,.72); font-size: 16px; line-height: 1.65; }
.coord__list { display: grid; gap: 12px; }
.coord__list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 15.5px; color: rgba(255,255,255,.86);
  padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.coord__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.coord__list svg { width: 16px; height: 16px; flex: none; margin-top: 4px; opacity: .55; }

/* Zwischenüberschrift innerhalb eines Abschnitts */
.block-head {
  margin: clamp(48px, 6vw, 78px) 0 clamp(24px, 3vw, 34px);
  display: flex; flex-direction: column; gap: 8px;
}
.block-head h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); letter-spacing: -0.024em; }
.block-head p { font-size: 15.5px; color: var(--muted); }

/* Hinweis auf Einzelaufträge */
.einzeln {
  margin-top: 24px; padding: 22px 26px;
  background: var(--sand); border-left: 2px solid var(--ink);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15.5px; line-height: 1.65; color: var(--ink-soft);
}
.einzeln strong { color: var(--ink); }
.einzeln a { color: var(--ink); text-underline-offset: 3px; }

/* Auftraggeber */
.clients { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); margin-top: 28px;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.client { background: var(--paper); padding: clamp(26px, 3vw, 38px); }
.client h4 { font-size: 1.02rem; margin-bottom: 8px; }
.client p { font-size: 15px; color: var(--muted); line-height: 1.6; }

/* ==========================================================================
   Warum / Split
   ========================================================================== */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start;
}
.reasons { display: grid; gap: 0; }
.reason {
  display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line);
}
.reason:first-child { padding-top: 0; }
.reason:last-child { border-bottom: 0; }
.reason__idx {
  font-size: 12px; font-weight: 600; color: var(--muted-2); letter-spacing: .1em;
  padding-top: 4px; flex: none; width: 26px;
}
.reason h4 { font-size: 1.05rem; margin-bottom: 6px; letter-spacing: -0.018em; }
.reason p { font-size: 15.5px; color: var(--muted); line-height: 1.62; }

.quote-card {
  border-left: 2px solid var(--ink); padding: 4px 0 4px 26px; margin-top: 34px;
}
.quote-card blockquote {
  margin: 0; font-size: clamp(1.1rem, 1.7vw, 1.32rem); line-height: 1.5;
  letter-spacing: -0.022em; color: var(--ink); font-weight: 500;
}
.quote-card cite {
  display: block; margin-top: 14px; font-style: normal; font-size: 13.5px;
  color: var(--muted); letter-spacing: .04em;
}

/* ==========================================================================
   Ablauf
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.step { padding: 0 26px 0 0; position: relative; }
.step:not(:last-child)::after {
  content: ""; position: absolute; right: 13px; top: 13px; bottom: 0; width: 1px; background: var(--line);
}
.step__dot {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 12px; font-weight: 600; color: var(--ink);
  background: var(--paper); margin-bottom: 22px;
}
.section--sand .step__dot { background: var(--sand); }
.step h4 { font-size: 1.06rem; margin-bottom: 8px; letter-spacing: -0.018em; line-height: 1.35; }
/* Überschriften gleich hoch, damit die Texte darunter auf einer Linie beginnen */
@media (min-width: 1025px) { .step h4 { min-height: 2.7em; } }
.step p { font-size: 15px; color: var(--muted); line-height: 1.6; }

/* ==========================================================================
   Referenzen
   ========================================================================== */
.projects {
  display: grid; gap: clamp(18px, 2vw, 28px);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
}
.project {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--paper); display: flex; flex-direction: column;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.project:hover { border-color: var(--muted-2); transform: translateY(-3px); }
.project__media {
  aspect-ratio: 4 / 3; background: var(--sand-2);
  display: grid; place-items: center; position: relative; border-bottom: 1px solid var(--line);
}
.project__media img.ph { width: 62px; opacity: .11; }
.project__media img.foto { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project__media .ph-note {
  position: absolute; bottom: 12px; left: 12px;
  font-size: 10.5px; letter-spacing: .13em; text-transform: uppercase;
  color: var(--muted-2); background: rgba(255,255,255,.7); padding: 4px 8px; border-radius: 2px;
}
.project__body { padding: 26px 26px 30px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.project__tag {
  font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2);
}
.project h3 { font-size: 1.12rem; letter-spacing: -0.02em; }
.project p { font-size: 15px; color: var(--muted); line-height: 1.6; }

.project--klick { cursor: pointer; border: 0; padding: 0; font: inherit; text-align: left; width: 100%; }
.project--klick:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.project__media .zaehler {
  position: absolute; right: 12px; bottom: 12px;
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .08em;
  color: #fff; background: rgba(38,29,22,.72); padding: 6px 10px; border-radius: 999px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.project__media .zaehler svg { width: 13px; height: 13px; }
.project__media .foto { transition: transform .5s var(--ease); }
.project--klick:hover .project__media .foto { transform: scale(1.035); }
.project__media { overflow: hidden; }
/* Breite Projektkarte (z. B. Einzelauftrag) – Bild links, Text rechts */
.project--breit { grid-column: 1 / -1; }
@media (min-width: 761px) {
  .project--breit { flex-direction: row; }
  .project--breit .project__media { aspect-ratio: auto; width: 38%; min-height: 360px; border-bottom: 0; border-right: 1px solid var(--line); }
  .project--breit .project__body { justify-content: center; padding: clamp(28px, 4vw, 56px); }
  .project--breit p { max-width: 60ch; }
}


/* ==========================================================================
   Bildergalerie (Lightbox)
   ========================================================================== */
.galerie {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(24,18,13,.94);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; flex-direction: column;
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s;
}
.galerie.is-offen { opacity: 1; visibility: visible; }
body.galerie-offen { overflow: hidden; }

.galerie__kopf {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 20px clamp(16px, 3vw, 34px); flex: none;
}
.galerie__titel { color: #fff; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.galerie__zaehler { color: rgba(255,255,255,.55); font-size: 13px; margin-left: 12px; font-weight: 500; }
.galerie__zu {
  width: 44px; height: 44px; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,.1); color: #fff;
  display: grid; place-items: center; flex: none;
  transition: background .25s var(--ease);
}
.galerie__zu:hover { background: rgba(255,255,255,.2); }
.galerie__zu svg { width: 17px; height: 17px; }

.galerie__buehne {
  flex: 1 1 auto; min-height: 0; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  padding: 0 clamp(12px, 6vw, 84px) 8px;
}
.galerie__bild {
  width: 100%; height: 100%; object-fit: contain;
  display: block;
}
.galerie__pfeil {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,.12); color: #fff;
  display: grid; place-items: center;
  transition: background .25s var(--ease);
}
.galerie__pfeil:hover { background: rgba(255,255,255,.24); }
.galerie__pfeil svg { width: 19px; height: 19px; }
.galerie__pfeil--zurueck { left: clamp(8px, 2vw, 26px); }
.galerie__pfeil--vor     { right: clamp(8px, 2vw, 26px); }
.galerie__pfeil[hidden]  { display: none; }

.galerie__leiste {
  flex: none; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  padding: 16px clamp(16px, 3vw, 34px) clamp(20px, 3vw, 30px);
}
.galerie__mini {
  width: 74px; height: 55px; border: 0; padding: 0; cursor: pointer; border-radius: 3px;
  overflow: hidden; opacity: .42; transition: opacity .25s var(--ease), box-shadow .25s var(--ease);
  background: none;
}
.galerie__mini img { width: 100%; height: 100%; object-fit: cover; }
.galerie__mini:hover { opacity: .8; }
.galerie__mini.is-aktiv { opacity: 1; box-shadow: 0 0 0 2px #fff; }

@media (max-width: 640px) {
  .galerie__pfeil { width: 44px; height: 44px; }
  .galerie__mini { width: 56px; height: 42px; }
  .galerie__leiste { gap: 7px; }
}

.placeholder-note {
  margin-top: 28px; padding: 18px 22px; border: 1px dashed var(--line);
  border-radius: var(--radius); font-size: 14.5px; color: var(--muted); background: var(--paper);
}
.section--sand .placeholder-note { background: transparent; }

/* ==========================================================================
   Über uns
   ========================================================================== */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.about__text p + p { margin-top: 20px; }
.about__logo {
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius);
  aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 12%;
  background: linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,0));
}
.about__logo img { width: 100%; max-width: 340px; opacity: .92; }

/* ==========================================================================
   Karriere
   ========================================================================== */
.career { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.career__points { display: grid; gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.career__point { background: var(--paper); padding: 26px 30px; }
.section--sand .career__point { background: var(--sand); }
.career__point h4 { font-size: 1.02rem; margin-bottom: 6px; }
.career__point p { font-size: 15px; color: var(--muted); line-height: 1.6; }

/* ==========================================================================
   Kontakt
   ========================================================================== */
.contact { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(44px, 6vw, 90px); align-items: start; }

.contact__block + .contact__block { margin-top: 30px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.12); }
.contact__label {
  font-size: 11.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.58); margin-bottom: 10px;
}
.contact__block p, .contact__block a { font-size: 16px; color: rgba(255,255,255,.9); text-decoration: none; line-height: 1.65; }
.contact__block a { border-bottom: 1px solid rgba(255,255,255,.2); transition: border-color .25s var(--ease); }
.contact__block a:hover { border-bottom-color: #fff; }

/* Formular */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 13px; font-weight: 500; letter-spacing: .02em; color: rgba(255,255,255,.72); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 16px; color: #fff;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius); padding: 14px 16px;
  transition: border-color .25s var(--ease), background .25s var(--ease);
  -webkit-appearance: none; appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%23ffffff' stroke-width='1.5'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; background-size: 12px 8px;
  padding-right: 42px;
}
.field select option { background: var(--dark-2); color: #fff; }
.field textarea { resize: vertical; min-height: 132px; }
.field input::placeholder, .field textarea::placeholder { color: rgba(255,255,255,.42); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.09);
}
.check { display: flex; gap: 12px; align-items: flex-start; }
.check input { width: 18px; height: 18px; flex: none; margin-top: 3px; accent-color: #fff; }
.check label { font-size: 13.5px; line-height: 1.55; color: rgba(255,255,255,.72); }
.check label a { color: rgba(255,255,255,.9); }
.form .btn { justify-self: start; margin-top: 6px; }
.form__hint { font-size: 13px; color: rgba(255,255,255,.55); line-height: 1.55; }
.hp { position: absolute; left: -9999px; opacity: 0; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { background: var(--dark-2); color: var(--on-dark-muted); padding: clamp(56px, 6vw, 80px) 0 0; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(32px, 5vw, 70px); padding-bottom: 52px; }
.footer__brand img { height: 52px; width: auto; margin-bottom: 24px; }
.footer__brand p { font-size: 15px; line-height: 1.65; max-width: 40ch; color: rgba(255,255,255,.68); }
.footer h4 { font-size: 11.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.58); margin-bottom: 18px; }
.footer li + li { margin-top: 11px; }
.footer a { text-decoration: none; font-size: 15px; color: rgba(255,255,255,.72);
  transition: color .25s var(--ease); }
.footer a:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 24px 0 30px;
  display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between;
  font-size: 13.5px; color: rgba(255,255,255,.58);
}
.footer__legal { display: flex; gap: 24px; }
.footer__bottom a { font-size: 13.5px; color: rgba(255,255,255,.72); }

/* ==========================================================================
   Rechtsseiten (Impressum / Datenschutz)
   ========================================================================== */
.legal-hero { background: var(--dark); color: #fff; padding: 148px 0 clamp(52px, 6vw, 80px); }
.legal-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.03em; }
.legal-hero p { margin-top: 16px; color: rgba(255,255,255,.72); font-size: 16px; }

.legal { padding: clamp(56px, 7vw, 90px) 0 clamp(72px, 9vw, 120px); }
.legal__inner > * { max-width: 800px; }   /* Inhalt bündig unter der Überschrift, Zeilen nicht zu lang */
.legal h2 { font-size: 1.42rem; margin: 52px 0 16px; letter-spacing: -0.024em; }
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-size: 1.08rem; margin: 30px 0 10px; }
.legal p, .legal li { font-size: 16px; line-height: 1.72; color: var(--ink-soft); }
.legal p + p { margin-top: 14px; }
.legal ul { list-style: disc; padding-left: 22px; margin: 12px 0; }
.legal li + li { margin-top: 7px; }
.legal a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.legal__meta {
  background: var(--sand); border-radius: var(--radius); padding: 26px 30px; margin: 8px 0 0;
  font-size: 15.5px; line-height: 1.7;
}
.todo {
  background: #fbf3e2; border: 1px solid #ecdcb4; border-radius: var(--radius);
  padding: 16px 20px; margin: 18px 0; font-size: 14.5px; line-height: 1.6; color: #6b5a26;
}
.todo strong { color: #4e421b; }

/* ==========================================================================
   Scroll-Reveal
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .grid-services { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 40px 0; }
  .step:not(:last-child)::after { display: none; }
  .coord { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav, .header__cta { display: none; }
  .burger { display: flex; }
  .split, .about, .career, .contact { grid-template-columns: 1fr; }
  .about__logo { order: -1; max-width: 420px; }
  .hero__facts { grid-template-columns: 1fr; gap: 24px; }
  .hero__inner { max-width: 100%; }
  .hero .h-display { font-size: clamp(2.25rem, 8.5vw, 3rem); }
  .hero__media { left: 0; background-image: url("../img/hero-dachgeschoss.jpg?v=5"); background-position: center 50%; }
  .hero__media::before {
    background: linear-gradient(0deg, rgba(46,36,28,.94) 0%, rgba(46,36,28,.72) 50%, rgba(46,36,28,.38) 100%);
  }
}

@media (max-width: 640px) {
  body { font-size: 16.5px; }
  :root { --gutter: 20px; }
  .grid-services, .clients, .steps { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; }
  .form .btn { width: auto; }
}

@media print {
  .header, .mobile-nav, .burger, .btn, .form { display: none !important; }
  body { color: #000; }
  .hero, .section--dark, .footer { background: #fff !important; color: #000 !important; }
}