:root {
  --bg: #0b0e11;
  --bg-soft: #12161a;
  --panel: #181c20;
  --text: #f4f4f4;
  --muted: #c4c7ca;
  --line: rgba(255,255,255,.28);
  --metal: linear-gradient(135deg, #fafafa 0%, #8c9196 45%, #ffffff 65%, #777d82 100%);
  --max-width: 720px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 70% 0%, rgba(90,105,120,.12), transparent 32rem),
    var(--bg);
  font-family: "Montserrat", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.55;
}
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(8,11,14,.94);
  border-bottom: 1px solid rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
}
.brand { width: 205px; max-width: 66vw; }
.brand img { height: 55px; object-fit: cover; object-position: left center; }

.menu-toggle {
  width: 44px;
  height: 44px;
  display: grid;
  place-content: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.menu-toggle span {
  width: 29px;
  height: 2px;
  background: #fff;
  transition: transform .25s, opacity .25s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.main-nav {
  position: fixed;
  inset: 80px 0 auto 0;
  display: grid;
  gap: 0;
  max-height: 0;
  overflow: hidden;
  background: rgba(8,11,14,.98);
  transition: max-height .3s ease;
}
.main-nav.open { max-height: 420px; border-bottom: 1px solid var(--line); }
.main-nav a {
  padding: 18px 28px;
  border-top: 1px solid rgba(255,255,255,.08);
  text-transform: uppercase;
  font-size: .84rem;
  letter-spacing: .08em;
}

section { border-bottom: 1px solid var(--line); }
.section-inner { width: min(100% - 44px, var(--max-width)); margin-inline: auto; }
.about-section, .projects-section, .faq-section, .contact-section { padding: 52px 0; }

.hero-section {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: flex-end;
  padding: 66px 0 54px;
  overflow: hidden;
  background: #050a0f;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5,10,15,.96) 0%, rgba(5,10,15,.76) 48%, rgba(5,10,15,.12) 100%),
    linear-gradient(0deg, rgba(7,10,13,.35), transparent 50%);
}
.hero-content { position: relative; z-index: 1; }
.hero-kicker { display: none; }
.hero-content h1 {
  margin: 0;
  font-size: clamp(2.65rem, 12vw, 4.3rem);
  line-height: .95;
  letter-spacing: .015em;
  font-weight: 600;
  text-shadow: 0 4px 12px #000;
}
.location {
  margin: 15px 0 14px;
  font-size: clamp(1.25rem, 5vw, 1.75rem);
  letter-spacing: .35em;
}
.line, .section-label span { display: inline-block; width: 52px; height: 1px; background: rgba(255,255,255,.65); }
.claim {
  margin: 22px 0 30px;
  font-size: 1.05rem;
  text-transform: uppercase;
  line-height: 1.45;
}

.button {
  width: fit-content;
  min-width: 190px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 13px 18px;
  border: 1px solid rgba(255,255,255,.75);
  background: rgba(8,10,12,.3);
  text-transform: uppercase;
  font-size: .74rem;
  letter-spacing: .02em;
  transition: background .2s, color .2s, transform .2s;
}
.button:hover { background: #f1f1f1; color: #111; transform: translateY(-2px); }

.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  text-transform: uppercase;
  font-size: .77rem;
  letter-spacing: .04em;
  padding-top: 80px;
  padding-bottom: 80px;
}
section h2 {
  margin: 0 0 19px;
  text-transform: uppercase;
  font-size: clamp(1.55rem, 7vw, 2.2rem);
  line-height: 1.25;
  font-weight: 400;
}
section p { color: var(--muted); }
.about-section {
  background:
    radial-gradient(circle at 95% 25%, rgba(255,255,255,.06), transparent 18rem),
    linear-gradient(rgba(255,255,255,.025), rgba(255,255,255,.025)),
    #121416;
}
.about-section .button { margin-top: 28px; }
.brand-card {
  margin: 42px 0 0;
  padding: 22px 18px 18px;
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.08);
  text-align: center;
}
.brand-card img { max-height: 330px; object-fit: cover; object-position: center; }
.brand-card figcaption {
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #d7d7d7;
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .75rem;
}

.projects-section { background: #0d1013; }
.centered { justify-content: center; }
.centered-title { text-align: center; }
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 30px 0;
}
.project-card {
  position: relative;
  overflow: hidden;
  min-height: 230px;
  border: 1px solid rgba(255,255,255,.08);
  background: var(--panel);
}
.project-card img {
  height: 230px;
  object-fit: cover;
  transition: transform .4s ease, filter .4s ease;
}
.project-card div {
  position: absolute;
  inset: auto 0 0;
  padding: 28px 18px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,.92));
}
.project-card h3 { margin: 0; text-transform: uppercase; font-weight: 500; }
.project-card p { margin: 2px 0 0; font-size: .85rem; }
.project-card:hover img { transform: scale(1.04); filter: brightness(1.08); }
.button-center { margin-inline: auto; }

.faq-section { background: #101316; }
.accordion { display: grid; gap: 8px; }
.faq-item { border: 1px solid rgba(255,255,255,.08); background: #1a1e22; }
.faq-item button {
  width: 100%;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 16px;
  color: #fff;
  text-align: left;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.faq-item b { font-size: 1.45rem; font-weight: 300; transition: transform .2s; }
.faq-item.open b { transform: rotate(45deg); }
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .28s ease;
}
.faq-answer > p {
  overflow: hidden;
  margin: 0;
  padding: 0 16px;
}
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-item.open .faq-answer > p { padding-bottom: 18px; }

.contact-section { background: #0d1012; }
.contact-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 32px;
  font-style: normal;
}
.contact-list > * { display: grid; grid-template-columns: 28px 1fr; align-items: center; color: #e8e8e8; }
.contact-form { display: grid; gap: 10px; }
.contact-form label > span {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0);
}
.contact-form input, .contact-form textarea {
  width: 100%;
  color: #fff;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 2px;
  outline: 0;
  background: linear-gradient(#202428, #181c20);
  padding: 13px 14px;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: rgba(255,255,255,.75); }
.contact-form textarea { resize: vertical; min-height: 150px; }
.submit-button { color: #fff; cursor: pointer; margin-top: 5px; }
.form-status { min-height: 1.5em; margin: 4px 0 0; font-size: .85rem; }

.site-footer {
  padding: 34px 22px 28px;
  background: #080b0d;
}
.footer-inner {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  display: grid;
  justify-items: center;
  gap: 22px;
  text-align: center;
}
.footer-inner > img { width: 220px; max-width: 78vw; }
.footer-inner nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 24px; }
.footer-inner nav a { text-transform: uppercase; font-size: .7rem; }
.socials { display: flex; gap: 15px; }
.socials a {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 50%;
}
.footer-inner p { margin: 0; color: #979b9f; font-size: .75rem; }

@media (min-width: 760px) {
  :root { --max-width: 1080px; }
  .site-header { padding-inline: 5vw; }
  .menu-toggle { display: none; }
  .main-nav {
    position: static;
    max-height: none;
    display: flex;
    overflow: visible;
    background: transparent;
  }
  .main-nav a { padding: 12px 18px; border: 0; }
  .main-nav a:hover { border-bottom: 1px solid #fff; }
  .hero-section { min-height: 720px; background-position: center; }
  .hero-content { padding-right: 48%; }
  .about-section .section-inner,
  .contact-section .section-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 70px;
    align-items: start;
  }
  .about-section .section-label,
  .about-section h2,
  .about-section p,
  .about-section .button { grid-column: 1; }
  .brand-card { grid-column: 2; grid-row: 1 / span 5; margin: 0; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-section .section-label,
  .contact-section h2,
  .contact-section > .section-inner > p,
  .contact-list { grid-column: 1; }
  .contact-form { grid-column: 2; grid-row: 1 / span 5; padding-top: 30px; }
}

@media (min-width: 1050px) {
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
}





/* Impressum & Datenschutz */

.impressum,
.datenschutz {
    max-width: 900px;
    margin: 120px auto 80px;
    padding: 40px;
    background: #111;
    border: 1px solid #2a2a2a;
    border-radius: 10px;
}

.impressum h1,
.datenschutz h1 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #d4af37;
}

.impressum h2,
.datenschutz h2 {
    color: #d4af37;
    font-size: 1.3rem;
    margin: 30px 0 15px;
}

.impressum p,
.datenschutz p,
.impressum li,
.datenschutz li {
    color: #d0d0d0;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 12px;
}

.impressum strong,
.datenschutz strong {
    color: #fff;
}

.impressum a,
.datenschutz a {
    color: #d4af37;
    text-decoration: none;
    transition: .3s;
}

.impressum a:hover,
.datenschutz a:hover {
    color: #fff;
}

.impressum ul,
.datenschutz ul {
    padding-left: 20px;
}

@media (max-width: 768px) {
    .impressum,
    .datenschutz {
        margin: 90px 20px 50px;
        padding: 25px;
    }

    .impressum h1,
    .datenschutz h1 {
        font-size: 1.7rem;
    }

    .impressum h2,
    .datenschutz h2 {
        font-size: 1.2rem;
    }
}

.brand img {
    width: 120px;
    height: auto;
}