*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brown:     #6B4226;
  --brown-lt:  #8B5E3C;
  --beige:     #F5ECD7;
  --beige-dk:  #EAD9BF;
  --charcoal:  #2C2C2C;
  --charcoal2: #1A1A1A;
  --gold:      #C8973A;
  --gold-lt:   #E4B96A;
  --green:     #3D5A3E;
  --white:     #FDFAF5;

  --serif:  'Playfair Display', Georgia, serif;
  --sans:   'DM Sans', system-ui, sans-serif;
  --mono:   'DM Mono', monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--sans);
  background: var(--charcoal2);
  color: var(--beige);
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--charcoal2); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

/* ── Selection ── */
::selection { background: var(--gold); color: var(--charcoal2); }

/* ─────────────────────────────────────────
   NAVIGATION
───────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.2rem 4vw;
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.4s, box-shadow 0.4s;
}
nav.scrolled {
  background: rgba(26, 26, 26, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 rgba(200,151,58,0.15);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.nav-logo span { color: var(--gold); }
.nav-links {
  display: flex; gap: 2.5rem; list-style: none;
}
.nav-links a {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,236,215,0.7);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  padding: 0.55rem 1.4rem;
  background: var(--gold);
  color: var(--charcoal2);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.2s, transform 0.2s;
}
.nav-cta:hover { background: var(--gold-lt); transform: translateY(-1px); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 1.5px;
  background: var(--beige); transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 99;
  background: var(--charcoal2);
  flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--serif); font-size: 2.2rem; font-weight: 700;
  color: var(--beige); text-decoration: none; transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--gold); }

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
#hero {
  position: relative; height: 100svh; min-height: 600px;
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('https://images.unsplash.com/photo-1504148455328-c376907d081c?w=1800&q=80');
  background-size: cover; background-position: center 40%;
  transform: scale(1.05);
  transition: transform 8s ease-out;
}
.hero-bg.loaded { transform: scale(1); }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26,26,26,0.25) 0%,
    rgba(26,26,26,0.15) 40%,
    rgba(26,26,26,0.75) 75%,
    rgba(26,26,26,0.95) 100%
  );
}
/* grain texture */
.hero-overlay::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.35;
}
.hero-content {
  position: relative; z-index: 2;
  padding: 0 6vw 8vh;
  max-width: 900px;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.8s var(--ease-out) 0.3s forwards;
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1.5rem;
  opacity: 0; transform: translateY(30px);
  animation: fadeUp 1s var(--ease-out) 0.5s forwards;
}
.hero-title em {
  font-style: italic; color: var(--gold-lt);
  display: block;
}
.hero-sub {
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(245,236,215,0.75);
  max-width: 480px;
  margin-bottom: 2.5rem;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.9s var(--ease-out) 0.8s forwards;
}
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.9s var(--ease-out) 1s forwards;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 1rem 2.2rem;
  background: var(--gold);
  color: var(--charcoal2);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  border: none; cursor: pointer;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.btn-primary:hover {
  background: var(--gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(200,151,58,0.35);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 1rem 2.2rem;
  background: transparent;
  color: var(--beige);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid rgba(245,236,215,0.3);
  transition: border-color 0.25s, color 0.25s;
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

.hero-scroll {
  position: absolute; bottom: 2.5rem; right: 6vw; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  opacity: 0; animation: fadeIn 1s ease 1.5s forwards;
}
.hero-scroll span {
  font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: rgba(245,236,215,0.4);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, rgba(200,151,58,0.7), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ─────────────────────────────────────────
   STATS BAND
───────────────────────────────────────── */
.stats-band {
  background: var(--brown);
  padding: 3rem 6vw;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}
.stat-item {
  padding: 2rem;
  text-align: center;
  border-right: 1px solid rgba(245,236,215,0.1);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,236,215,0.55);
  margin-top: 0.5rem;
  display: block;
}

/* ─────────────────────────────────────────
   ÜBER UNS
───────────────────────────────────────── */
#ueber-uns {
  padding: 10rem 6vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  align-items: center;
}
.about-img-wrap {
  position: relative;
}
.about-img-wrap::before {
  content: '';
  position: absolute;
  top: -1.5rem; left: -1.5rem;
  right: 1.5rem; bottom: 1.5rem;
  border: 1px solid rgba(200,151,58,0.25);
  border-radius: 3px;
  z-index: 0;
  transition: transform 0.4s var(--ease-out);
}
.about-img-wrap:hover::before {
  transform: translate(-4px, -4px);
}
.about-img {
  position: relative; z-index: 1;
  width: 100%; aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: 3px;
  display: block;
  filter: saturate(0.85) contrast(1.05);
}
.about-badge {
  position: absolute; bottom: -1.5rem; right: -1.5rem; z-index: 2;
  width: 100px; height: 100px;
  background: var(--gold);
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(200,151,58,0.4);
}
.about-badge .year {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 900;
  color: var(--charcoal2); line-height: 1;
}
.about-badge .since {
  font-size: 0.6rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--charcoal2);
}
.about-text { padding: 1rem 0; }
.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.8rem;
}
.section-eyebrow::after {
  content: ''; flex: 0 0 40px; height: 1px; background: var(--gold); opacity: 0.5;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.section-title span { color: var(--gold); font-style: italic; }
.section-body {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.85;
  color: rgba(245,236,215,0.65);
  margin-bottom: 1.2rem;
}
.about-sig {
  margin-top: 2rem;
  display: flex; align-items: center; gap: 1rem;
}
.sig-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(200,151,58,0.3);
}
.sig-name {
  font-family: var(--serif); font-size: 1rem; font-weight: 700;
  color: var(--white); display: block;
}
.sig-role {
  font-size: 0.75rem; color: rgba(245,236,215,0.5); letter-spacing: 0.05em;
}

/* ─────────────────────────────────────────
   LEISTUNGEN
───────────────────────────────────────── */
#leistungen {
  padding: 8rem 6vw;
  background: var(--charcoal);
}
.leistungen-header {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: end;
  margin-bottom: 5rem;
}
.leistungen-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(245,236,215,0.06);
}
.leistung-card {
  background: var(--charcoal);
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
  transition: background 0.35s;
  cursor: default;
}
.leistung-card::before {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.leistung-card:hover { background: rgba(107,66,38,0.2); }
.leistung-card:hover::before { transform: scaleX(1); }
.leistung-icon {
  width: 52px; height: 52px;
  margin-bottom: 2rem;
  color: var(--gold);
  opacity: 0.9;
}
.leistung-num {
  position: absolute; top: 1.5rem; right: 1.5rem;
  font-family: var(--serif);
  font-size: 3.5rem; font-weight: 900;
  color: rgba(245,236,215,0.04);
  line-height: 1;
  user-select: none;
}
.leistung-title {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 700;
  color: var(--white); margin-bottom: 0.8rem; line-height: 1.2;
}
.leistung-text {
  font-size: 0.88rem; font-weight: 300; line-height: 1.7;
  color: rgba(245,236,215,0.5);
}
.leistung-tags {
  margin-top: 1.5rem;
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.leistung-tag {
  font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  background: rgba(200,151,58,0.1); color: var(--gold);
  border: 1px solid rgba(200,151,58,0.2);
  border-radius: 2px;
}

/* ─────────────────────────────────────────
   PORTFOLIO
───────────────────────────────────────── */
#portfolio {
  padding: 8rem 6vw;
}
.portfolio-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 4rem;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto;
  gap: 1rem;
}
.portfolio-item {
  position: relative; overflow: hidden; border-radius: 3px;
  cursor: pointer;
}
.portfolio-item:nth-child(1) { grid-column: span 7; grid-row: span 2; }
.portfolio-item:nth-child(2) { grid-column: span 5; }
.portfolio-item:nth-child(3) { grid-column: span 5; }
.portfolio-item:nth-child(4) { grid-column: span 4; }
.portfolio-item:nth-child(5) { grid-column: span 4; }
.portfolio-item:nth-child(6) { grid-column: span 4; }

.portfolio-img {
  width: 100%; height: 100%; min-height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--ease-out), filter 0.4s;
  filter: saturate(0.8);
}
.portfolio-item:hover .portfolio-img {
  transform: scale(1.06);
  filter: saturate(1);
}
.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.85) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-info {
  position: absolute; bottom: 1.5rem; left: 1.5rem; right: 1.5rem;
  transform: translateY(8px); opacity: 0;
  transition: all 0.4s var(--ease-out);
}
.portfolio-item:hover .portfolio-info {
  transform: translateY(0); opacity: 1;
}
.portfolio-cat {
  font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 0.3rem;
}
.portfolio-name {
  font-family: var(--serif); font-size: 1.1rem; font-weight: 700; color: var(--white);
}

/* ─────────────────────────────────────────
   TESTIMONIALS
───────────────────────────────────────── */
#testimonials {
  padding: 8rem 6vw;
  background: var(--brown);
  overflow: hidden;
}
.testimonials-header { margin-bottom: 4rem; text-align: center; }
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.testimonial-card {
  background: rgba(245,236,215,0.06);
  border: 1px solid rgba(245,236,215,0.08);
  border-radius: 4px;
  padding: 2.5rem;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}
.testimonial-card:hover {
  border-color: rgba(200,151,58,0.3);
  transform: translateY(-4px);
}
.quote-mark {
  font-family: var(--serif); font-size: 5rem; font-weight: 900;
  color: var(--gold); opacity: 0.25; line-height: 0.6;
  margin-bottom: 1rem; display: block;
  user-select: none;
}
.testimonial-text {
  font-size: 0.95rem; font-weight: 300; line-height: 1.8;
  color: rgba(245,236,215,0.8); margin-bottom: 2rem;
  font-style: italic;
}
.testimonial-author {
  display: flex; align-items: center; gap: 1rem;
}
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  object-fit: cover; border: 2px solid rgba(200,151,58,0.3);
}
.author-name {
  font-family: var(--sans); font-size: 0.9rem; font-weight: 500;
  color: var(--white); display: block;
}
.author-loc {
  font-size: 0.75rem; color: rgba(245,236,215,0.45);
}
.testimonial-stars {
  position: absolute; top: 2rem; right: 2rem;
  display: flex; gap: 2px;
}
.star { color: var(--gold); font-size: 0.85rem; }

/* ─────────────────────────────────────────
   KONTAKT
───────────────────────────────────────── */
#kontakt {
  padding: 8rem 6vw;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: start;
}
.kontakt-info { padding-top: 1rem; }
.kontakt-item {
  display: flex; gap: 1.2rem; align-items: flex-start;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(245,236,215,0.08);
}
.kontakt-item:last-child { border-bottom: none; }
.kontakt-icon {
  flex-shrink: 0; width: 40px; height: 40px;
  background: rgba(200,151,58,0.1);
  border: 1px solid rgba(200,151,58,0.2);
  border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
}
.kontakt-label {
  font-family: var(--mono); font-size: 0.65rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(245,236,215,0.4); margin-bottom: 0.3rem;
}
.kontakt-val {
  font-size: 0.95rem; color: var(--beige); font-weight: 400;
}

/* Form */
.contact-form {
  background: var(--charcoal);
  border: 1px solid rgba(245,236,215,0.07);
  border-radius: 6px;
  padding: 3rem;
}
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  margin-bottom: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.form-group:last-of-type { margin-bottom: 0; }
label {
  font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: rgba(245,236,215,0.45);
}
input, textarea, select {
  background: rgba(245,236,215,0.04);
  border: 1px solid rgba(245,236,215,0.1);
  border-radius: 3px;
  padding: 0.9rem 1.1rem;
  font-family: var(--sans); font-size: 0.9rem; font-weight: 300;
  color: var(--beige);
  outline: none;
  transition: border-color 0.25s, background 0.25s;
  width: 100%;
  resize: vertical;
}
input::placeholder, textarea::placeholder { color: rgba(245,236,215,0.25); }
input:focus, textarea:focus, select:focus {
  border-color: var(--gold);
  background: rgba(200,151,58,0.05);
}
select option { background: var(--charcoal2); color: var(--beige); }
textarea { min-height: 130px; }
.form-submit {
  margin-top: 2rem; width: 100%;
  padding: 1.1rem;
  background: var(--gold);
  color: var(--charcoal2);
  font-family: var(--sans);
  font-size: 0.85rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  border: none; border-radius: 3px;
  cursor: pointer;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
}
.form-submit:hover {
  background: var(--gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(200,151,58,0.3);
}
.form-submit:active { transform: translateY(0); }

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
footer {
  background: var(--charcoal2);
  border-top: 1px solid rgba(245,236,215,0.07);
  padding: 4rem 6vw 2.5rem;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem; margin-bottom: 4rem;
}
.footer-brand p {
  font-size: 0.88rem; font-weight: 300; line-height: 1.8;
  color: rgba(245,236,215,0.45); margin-top: 1rem; max-width: 280px;
}
.footer-title {
  font-family: var(--mono); font-size: 0.65rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1.5rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.footer-links a {
  font-size: 0.88rem; font-weight: 300;
  color: rgba(245,236,215,0.5); text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(245,236,215,0.06);
  padding-top: 2rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-copy {
  font-size: 0.75rem; color: rgba(245,236,215,0.25);
  font-family: var(--mono);
}
.footer-legal { display: flex; gap: 2rem; }
.footer-legal a {
  font-size: 0.75rem; color: rgba(245,236,215,0.25);
  text-decoration: none; transition: color 0.2s;
  font-family: var(--mono);
}
.footer-legal a:hover { color: var(--gold); }

/* ─────────────────────────────────────────
   ANIMATIONS
───────────────────────────────────────── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  to { opacity: 1; }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 1100px) {
  .leistungen-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-item:nth-child(1) { grid-column: span 12; grid-row: span 1; }
  .portfolio-item:nth-child(2) { grid-column: span 6; }
  .portfolio-item:nth-child(3) { grid-column: span 6; }
  .portfolio-item:nth-child(4) { grid-column: span 4; }
  .portfolio-item:nth-child(5) { grid-column: span 4; }
  .portfolio-item:nth-child(6) { grid-column: span 4; }
}

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  #ueber-uns { grid-template-columns: 1fr; }
  .about-img-wrap { max-width: 460px; }
  .leistungen-header { grid-template-columns: 1fr; gap: 1.5rem; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  #kontakt { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }
  .portfolio-item:nth-child(1) { grid-column: span 2; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}