/* ================================================================
   MÄK BOHR – Website v2
   Präzise Schnitte. Klare Ergebnisse.
   ================================================================ */

:root {
  --bg-dark:          #111315;
  --bg-deep:          #090b0c;
  --bg-light:         #f2f0eb;
  --surface-dark:     #1a1d20;
  --text-light:       #f5f3ee;
  --text-dark:        #17191b;
  --text-muted-light: rgba(245,243,238,.62);
  --text-muted-dark:  #64696d;
  --accent:           #e66322;
  --accent-hover:     #c94e13;
  --line-light:       rgba(20,22,24,.13);
  --line-dark:        rgba(255,255,255,.11);
  --container:        1240px;
  --gutter:           clamp(1.25rem, 4vw, 3rem);
  --section-v:        clamp(4rem, 8vw, 7rem);
  --nav-h:            80px;
  --radius-sm:        3px;
  --radius-md:        6px;
  --ease:             cubic-bezier(.22, 1, .36, 1);
  --t-fast:           160ms;
  --t-mid:            380ms;
}

/* ── RESET ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
address { font-style: normal; }
button { cursor: pointer; font: inherit; background: none; border: none; padding: 0; }

/* ── UTILITIES ──────────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.req { color: var(--accent); margin-left: 1px; }
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-v); }
.bg-light { background: var(--bg-light); color: var(--text-dark); }

.section-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.9rem; display: block;
}
.section-h2 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  font-weight: 600; line-height: 1.0;
  text-transform: uppercase; letter-spacing: -0.01em;
  color: var(--text-light); margin-bottom: 1.5rem;
}
.bg-light .section-h2 { color: var(--text-dark); }

/* ── SKIP LINK ──────────────────────────────────────────────────── */
.skip-link {
  position: absolute; top: -100%; left: 1rem;
  background: var(--accent); color: #fff;
  padding: 0.6rem 1.1rem;
  font-family: 'Oswald', sans-serif; font-size: 0.78rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  z-index: 10000; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--t-fast);
}
.skip-link:focus { top: 0; }

/* ── FOCUS ──────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── REVEAL ─────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.52s var(--ease), transform 0.52s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0ms; }
.reveal-d1.visible { transition-delay: 90ms; }
.reveal-d2 { transition-delay: 0ms; }
.reveal-d2.visible { transition-delay: 180ms; }
.reveal-d3 { transition-delay: 0ms; }
.reveal-d3.visible { transition-delay: 270ms; }

/* ── BUTTONS ────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff;
  padding: 0.85rem 1.75rem;
  font-family: 'Oswald', sans-serif;
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background var(--t-fast);
  white-space: nowrap;
}
.btn-primary:hover, .btn-primary:focus-visible { background: var(--accent-hover); }
.btn-block { width: 100%; }

.btn-outline {
  display: inline-flex; align-items: center;
  border: 1px solid currentColor; color: var(--text-muted-light);
  padding: 0.72rem 1.4rem;
  font-family: 'Oswald', sans-serif;
  font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.btn-outline:hover, .btn-outline:focus-visible {
  color: var(--text-light); border-color: var(--text-light);
}

.btn-tel {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.9rem; color: var(--text-muted-light);
  transition: color var(--t-fast);
}
.btn-tel:hover, .btn-tel:focus-visible { color: var(--text-light); }

/* ════════════════════════════════════════════════════════════════
   NAVIGATION
════════════════════════════════════════════════════════════════ */
.site-nav {
  position: fixed; inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: height var(--t-mid) var(--ease),
              background var(--t-mid),
              border-color var(--t-mid);
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  height: 66px;
  background: rgba(9,11,12,0.94);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line-dark);
}

.nav-inner {
  max-width: var(--container); margin-inline: auto;
  padding-inline: var(--gutter);
  height: 100%;
  display: flex; align-items: center; gap: 2rem;
}
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img { height: 34px; width: auto; }

.nav-menu { flex: 1; }
.nav-menu ul { display: flex; align-items: center; gap: 0; }
.nav-menu a {
  display: block; padding: 0.5rem 0.85rem;
  font-family: 'Oswald', sans-serif;
  font-size: 0.76rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(245,243,238,.68);
  transition: color var(--t-fast);
}
.nav-menu a:hover, .nav-menu a:focus-visible { color: var(--text-light); }

.nav-cta {
  display: inline-block; flex-shrink: 0;
  padding: 0.55rem 1.2rem;
  background: var(--accent); color: #fff;
  font-family: 'Oswald', sans-serif;
  font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background var(--t-fast);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--accent-hover); }

.nav-burger {
  display: none; flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 44px; height: 44px;
  margin-left: auto;
}
.burger-bar {
  display: block; width: 22px; height: 1.5px;
  background: var(--text-light);
  transform-origin: center;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-burger.open .burger-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open .burger-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open .burger-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ════════════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════════ */
.hero {
  display: grid;
  grid-template-columns: 42fr 58fr;
  min-height: 100vh; min-height: 100svh;
  background: var(--bg-dark);
}
.hero-text-col {
  display: flex; flex-direction: column; justify-content: center;
  padding-top: calc(var(--nav-h) + clamp(2.5rem, 5vw, 4rem));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  padding-inline: var(--gutter);
}
.hero-eyebrow {
  font-family: 'Oswald', sans-serif;
  font-size: 0.66rem; font-weight: 400;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.1rem;
}
.hero-h1 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 600; line-height: 0.96;
  letter-spacing: -0.015em; text-transform: uppercase;
  color: var(--text-light); margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: clamp(0.92rem, 1.1vw, 1rem);
  color: var(--text-muted-light); line-height: 1.72;
  max-width: 38ch; margin-bottom: 2rem;
}
.hero-actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }

.hero-img-col { position: relative; overflow: hidden; }
.hero-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 52% 18%;
}

/* ════════════════════════════════════════════════════════════════
   TRUST BAR
════════════════════════════════════════════════════════════════ */
.trust-bar {
  background: var(--bg-deep);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 0.9rem var(--gutter);
}
.trust-inner {
  max-width: var(--container); margin-inline: auto;
  display: flex; align-items: center; gap: 0.85rem;
  flex-wrap: wrap; justify-content: center;
  font-family: 'Oswald', sans-serif;
  font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-muted-light);
}
.trust-sep { color: var(--accent); font-size: 0.5rem; }

/* ════════════════════════════════════════════════════════════════
   LEISTUNGEN
════════════════════════════════════════════════════════════════ */
.leistungen { background: var(--bg-dark); }

.leistungen-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 5rem;
  align-items: start;
}
.leistungen-text {
  font-size: 0.93rem; color: var(--text-muted-light);
  line-height: 1.7; max-width: 28ch; margin-bottom: 1.75rem;
}

.leistungen-list { display: flex; flex-direction: column; }
.leistungen-item {
  display: grid; grid-template-columns: 3rem 1fr;
  gap: 1.25rem; align-items: start;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line-dark);
}
.leistungen-item:first-child { border-top: 1px solid var(--line-dark); }
.leistungen-num {
  font-family: 'Oswald', sans-serif;
  font-size: 0.68rem; letter-spacing: 0.18em; color: var(--accent);
  padding-top: 0.3rem;
}
.leistungen-name {
  font-family: 'Oswald', sans-serif;
  font-size: 0.92rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-light); margin-bottom: 0.35rem;
}
.leistungen-desc {
  font-size: 0.86rem; color: var(--text-muted-light); line-height: 1.65;
}

.leistungen-extra {
  margin-top: 3rem; padding-top: 1.75rem;
  border-top: 1px solid var(--line-dark);
  display: flex; align-items: baseline; gap: 1.5rem; flex-wrap: wrap;
}
.leistungen-extra-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(245,243,238,.35); white-space: nowrap;
}
.leistungen-extra-items {
  font-size: 0.83rem; color: rgba(245,243,238,.38); line-height: 1.9;
}

/* ════════════════════════════════════════════════════════════════
   PROJEKTE
════════════════════════════════════════════════════════════════ */
.projekte { background: var(--bg-deep); }
.projekte-header { margin-bottom: 2rem; }

.projekte-grid {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr;
  grid-template-rows: 300px 220px;
  gap: 4px;
}
.proj--a { grid-column: 1; grid-row: 1; }
.proj--b { grid-column: 2; grid-row: 1 / 3; }
.proj--c { grid-column: 3; grid-row: 1; }
.proj--d { grid-column: 1; grid-row: 2; }
.proj--e { grid-column: 3; grid-row: 2; }

.proj { position: relative; overflow: hidden; background: var(--surface-dark); }
.proj-wrap { position: absolute; inset: 0; }
.proj-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.proj:hover .proj-img { transform: scale(1.024); }

.proj-img--17 { object-position: center 30%; }
.proj-img--26 { object-position: 42% 12%; }
.proj-img--05 { object-position: 28% 35%; }
.proj-img--02 { object-position: 45% 22%; }
.proj-img--18 { object-position: center 38%; }

.proj-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 2rem 0.9rem 0.7rem;
  background: linear-gradient(to top, rgba(9,11,12,.82) 0%, transparent 100%);
  font-family: 'Oswald', sans-serif;
  font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(245,243,238,.75);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.proj:hover .proj-caption { opacity: 1; }
@media (hover: none) {
  .proj-caption { opacity: 1; }
}

/* ════════════════════════════════════════════════════════════════
   ÜBER UNS
════════════════════════════════════════════════════════════════ */
.ueber-layout {
  display: grid; grid-template-columns: 300px 1fr;
  gap: 5rem; align-items: start;
}
.ueber-figure { position: sticky; top: calc(var(--nav-h) + 1.5rem); }
.ueber-img {
  width: 100%; aspect-ratio: 3 / 4;
  object-fit: cover; object-position: 58% 8%;
  border-radius: var(--radius-md);
}
.ueber-intro {
  font-size: 0.95rem; color: var(--text-muted-dark);
  line-height: 1.72; max-width: 40ch; margin-bottom: 2.25rem;
}
.ueber-werte { display: flex; flex-direction: column; margin-bottom: 2.25rem; }
.ueber-werte li {
  display: grid; grid-template-columns: 1.75rem 1fr;
  gap: 1rem; align-items: start;
  padding: 1.1rem 0; border-bottom: 1px solid var(--line-light);
}
.ueber-werte li:first-child { border-top: 1px solid var(--line-light); }
.ueber-dash { color: var(--accent); font-size: 1rem; line-height: 1.5; }
.ueber-werte strong {
  display: block; font-family: 'Oswald', sans-serif;
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-dark); margin-bottom: 0.2rem;
}
.ueber-werte p { font-size: 0.86rem; color: var(--text-muted-dark); line-height: 1.65; }
.ueber-kontakt { display: flex; flex-direction: column; gap: 0.25rem; }
.ueber-kontakt a { font-size: 0.9rem; color: var(--accent); transition: opacity var(--t-fast); }
.ueber-kontakt a:hover { opacity: 0.72; }

/* ════════════════════════════════════════════════════════════════
   ABLAUF
════════════════════════════════════════════════════════════════ */
.ablauf { background: var(--bg-dark); }
.ablauf-header { margin-bottom: 2.5rem; }

.ablauf-steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
}
.ablauf-step {
  padding: 1.75rem 2.5rem 1.75rem 0;
  border-right: 1px solid var(--line-dark);
}
.ablauf-step + .ablauf-step { padding-left: 2.5rem; }
.ablauf-step:last-child { border-right: none; padding-right: 0; }
.ablauf-num {
  font-family: 'Oswald', sans-serif;
  font-size: 0.62rem; letter-spacing: 0.2em; color: var(--accent);
  display: block; margin-bottom: 0.9rem;
}
.ablauf-name {
  font-family: 'Oswald', sans-serif;
  font-size: 0.92rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-light); margin-bottom: 0.45rem;
}
.ablauf-desc { font-size: 0.86rem; color: var(--text-muted-light); line-height: 1.65; }

/* ════════════════════════════════════════════════════════════════
   KONTAKT
════════════════════════════════════════════════════════════════ */
.kontakt-layout {
  display: grid; grid-template-columns: 1fr 1.3fr;
  gap: 5rem; align-items: start;
}
.kontakt-text {
  font-size: 0.93rem; color: var(--text-muted-dark);
  line-height: 1.72; max-width: 36ch; margin-bottom: 2rem;
}
.kontakt-name-line {
  font-family: 'Oswald', sans-serif;
  font-size: 0.88rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-dark); font-weight: 500; margin-bottom: 0.2rem;
}
.kontakt-address p { font-size: 0.86rem; color: var(--text-muted-dark); line-height: 1.75; }
.kontakt-links { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.55rem; }
.kontakt-link {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-size: 0.86rem; color: var(--accent);
  transition: opacity var(--t-fast);
}
.kontakt-link:hover { opacity: 0.72; }
.kontakt-link svg { flex-shrink: 0; }

/* Form */
.kontakt-form { display: flex; flex-direction: column; gap: 1rem; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted-dark);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 0.78rem 0.9rem;
  background: #fff;
  border: 1px solid rgba(20,22,24,.2);
  border-radius: var(--radius-sm);
  font: 400 0.9rem/1.5 'DM Sans', system-ui, sans-serif;
  color: var(--text-dark);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none; -webkit-appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%2364696d' d='M8 10L2 4h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.8rem center; background-size: 11px;
  padding-right: 2.25rem; cursor: pointer;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(230,99,34,.12);
}
.form-group input.invalid,
.form-group textarea.invalid { border-color: #b33; }
.form-group textarea { resize: vertical; min-height: 118px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
.form-error { font-size: 0.75rem; color: #b33; min-height: 1em; }
.form-datenschutz { font-size: 0.74rem; color: var(--text-muted-dark); line-height: 1.6; }
.form-datenschutz a { color: var(--accent); text-decoration: underline; }

.form-status { display: none; }
.form-status.info {
  display: block; margin-top: 0.5rem;
  padding: 1rem 1.1rem;
  background: #eef2f5; border: 1px solid #c8d4de;
  border-radius: var(--radius-sm);
  font-size: 0.86rem; color: var(--text-dark); line-height: 1.65;
}
.form-status.info a { color: var(--accent); }

/* ════════════════════════════════════════════════════════════════
   MOBILE BAR
════════════════════════════════════════════════════════════════ */
.mobile-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(9,11,12,.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-dark);
  padding: 0.65rem var(--gutter);
  padding-bottom: calc(0.65rem + env(safe-area-inset-bottom, 0px));
  gap: 0.6rem; z-index: 990;
}
.mbar-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 0.45rem;
  padding: 0.72rem 0.5rem;
  font-family: 'Oswald', sans-serif;
  font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background var(--t-fast);
}
.mbar-call { background: var(--surface-dark); color: var(--text-light); border: 1px solid var(--line-dark); }
.mbar-anfrage { background: var(--accent); color: #fff; }
.mbar-anfrage:hover { background: var(--accent-hover); }

/* ════════════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--line-dark);
  padding-block: 2.75rem 1.75rem;
}
.footer-inner { display: flex; flex-direction: column; gap: 1.75rem; }
.footer-brand { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-company {
  font-family: 'Oswald', sans-serif;
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(245,243,238,.7);
}
.footer-address {
  font-size: 0.8rem; color: rgba(245,243,238,.38); line-height: 1.8;
}
.footer-address a { color: rgba(245,243,238,.38); transition: color var(--t-fast); }
.footer-address a:hover { color: var(--text-muted-light); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1.5rem; border-top: 1px solid var(--line-dark);
  flex-wrap: wrap; gap: 0.75rem;
}
.footer-copy { font-size: 0.76rem; color: rgba(245,243,238,.3); }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { font-size: 0.76rem; color: rgba(245,243,238,.35); transition: color var(--t-fast); }
.footer-legal a:hover { color: var(--text-muted-light); }

/* ════════════════════════════════════════════════════════════════
   REDUCED MOTION
════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .proj-img { transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE – 1024px
════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .leistungen-layout { grid-template-columns: 1fr; gap: 2.75rem; }
  .leistungen-text { max-width: 100%; }

  .ueber-layout { grid-template-columns: 260px 1fr; gap: 3.5rem; }
  .ueber-figure { position: static; }

  .kontakt-layout { grid-template-columns: 1fr; gap: 3rem; }

  .projekte-grid {
    grid-template-columns: 3fr 2fr;
    grid-template-rows: 260px 200px 200px;
    gap: 4px;
  }
  .proj--a { grid-column: 1; grid-row: 1; }
  .proj--b { grid-column: 2; grid-row: 1 / 3; }
  .proj--c { grid-column: 1; grid-row: 2; }
  .proj--d { grid-column: 1; grid-row: 3; }
  .proj--e { grid-column: 2; grid-row: 3; }
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE – 768px
════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --section-v: clamp(3rem, 7vw, 4.5rem); --nav-h: 68px; }

  .nav-cta { display: none; }
  .nav-menu {
    position: fixed; inset: var(--nav-h) 0 0 0;
    background: rgba(9,11,12,.97);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    display: none; flex-direction: column;
    padding: 2rem var(--gutter); overflow-y: auto; z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-menu ul { flex-direction: column; gap: 0; align-items: stretch; }
  .nav-menu li { border-bottom: 1px solid var(--line-dark); }
  .nav-menu a { font-size: 1rem; padding: 1rem 0; color: var(--text-light); }
  .nav-burger { display: flex; }

  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-text-col {
    padding-top: calc(var(--nav-h) + 2rem);
    padding-bottom: 2rem;
  }
  .hero-h1 { font-size: clamp(2.6rem, 10vw, 3.8rem); }
  .hero-img-col { height: clamp(240px, 55vw, 380px); }

  .leistungen-layout { gap: 2rem; }

  .projekte-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 200px 200px 180px;
    gap: 4px;
  }
  .proj--a { grid-column: 1 / 3; grid-row: 1; }
  .proj--b { grid-column: 1; grid-row: 2; }
  .proj--c { grid-column: 2; grid-row: 2; }
  .proj--d { grid-column: 1; grid-row: 3; }
  .proj--e { grid-column: 2; grid-row: 3; }

  .ueber-layout { grid-template-columns: 1fr; gap: 2.25rem; }
  .ueber-figure { position: static; }
  .ueber-img { aspect-ratio: 4 / 3; object-position: 58% 12%; }

  .ablauf-steps { grid-template-columns: 1fr; border-top: none; }
  .ablauf-step {
    border-right: none; border-top: 1px solid var(--line-dark);
    padding: 1.5rem 0;
  }
  .ablauf-step + .ablauf-step { padding-left: 0; }
  .ablauf-step:last-child { border-bottom: 1px solid var(--line-dark); padding-right: 0; }

  .form-row { grid-template-columns: 1fr; }

  .mobile-bar { display: flex; }
  main { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)); }
  .footer { padding-bottom: calc(2rem + 60px + env(safe-area-inset-bottom, 0px)); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE – 480px
════════════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  .hero-h1 { font-size: clamp(2.2rem, 11vw, 3rem); }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .trust-inner { font-size: 0.62rem; gap: 0.6rem; }

  .projekte-grid {
    grid-template-columns: 1fr;
    grid-template-rows: 220px 260px 180px 200px 180px;
    gap: 4px;
  }
  .proj--a { grid-column: 1; grid-row: 1; }
  .proj--b { grid-column: 1; grid-row: 2; }
  .proj--c { grid-column: 1; grid-row: 3; }
  .proj--d { grid-column: 1; grid-row: 4; }
  .proj--e { grid-column: 1; grid-row: 5; }
}