:root {
  --bg: #0d0e0f;
  --panel: #17191b;
  --panel-soft: #202326;
  --text: #f3f3f3;
  --muted: #b8b8b8;
  --line: #303030;
  --accent: #ffffff;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* ADOBE FONTS / INTERSTATE
   Fliesstext: Interstate Light (400)
   Headlines: Interstate Regular (500)
   Navigation / Buttons / kleine Labels: Interstate Condensed Bold (700)
*/

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "interstate", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.wrap {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}


.skip {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: #fff;
  color: #111;
}

.skip:focus {
  transform: translateY(0);
}

/* HEADER */

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(20, 20, 20, .88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid #FFB81A;
}

.nav {
  height: 82px;
  display: flex;
  align-items: center;
  gap: 30px;
}

.brand img {
  width: 150px;
  max-height: 46px;
  filter: brightness(0) invert(1);
}

.nav-links {
  margin-left: auto;
  display: flex;
  gap: 24px;
  align-items: center;
  font-family: "interstate", Arial, Helvetica, sans-serif;
  font-size: 12px; /* Hauptnavigation: hier zentral die Größe ändern. */
  font-weight: 500;
  letter-spacing: .07em;
}

.nav-links a {
  opacity: .92;
  transition: opacity .2s ease;
}

.nav-links a:hover {
  opacity: .55;
}

.menu-btn {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid #555;
  color: white;
  padding: 9px 12px;
}

/* HERO */

.hero {
  height: 72vh;
  min-height: 560px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.25s ease;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, .58) 0%,
    rgba(0, 0, 0, .34) 38%,
    rgba(0, 0, 0, .10) 70%,
    rgba(0, 0, 0, .14) 100%
  );
}

.hero-content {
  position: absolute;
  z-index: 3;
  left: max(24px, calc((100vw - var(--max)) / 2));
  bottom: 11%;
  max-width: 900px;
}

.eyebrow {
  font-family: "interstate-condensed", "interstate", Arial, sans-serif;
  font-size: 11px;
  letter-spacing: .22em;
  font-weight: 700;
  color: #d0d0d0;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(44px, 5.6vw, 82px);
  line-height: .92;
  margin: 14px 0 20px;
  letter-spacing: -.045em;
  font-weight: 500;
  max-width: 900px;
}

.hero .tagline {
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.25;
  font-weight: 400;
  color: #efefef;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, .9);
  padding: 13px 20px;
  font-family: "interstate", Arial, Helvetica, sans-serif;
  font-size: 12px; /* Hauptnavigation: hier zentral die Größe ändern. */
  font-weight: 500;
  letter-spacing: .07em;
  transition:
    background .2s ease,
    color .2s ease,
    border-color .2s ease;
}

.btn:hover {
  background: rgba(255, 255, 255, .10);
}

.btn.fill {
  background: white;
  color: #111;
}

.btn.fill:hover {
  background: #e8e8e8;
}

.dots {
  position: absolute;
  z-index: 4;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.dot {
  width: 8px;
  height: 8px;
  border: 1px solid white;
  border-radius: 50%;
  background: transparent;
  padding: 0;
}

.dot.active {
  background: white;
}

/* GENERAL SECTIONS */

.section {
  padding: 110px 0;
  border-top: 1px solid var(--line);
}

.section.light {
  background: #ecece8;
  color: #171717;
}

.section h2 {
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.04;
  margin: 0 0 28px;
  letter-spacing: -.035em;
  font-weight: 500;
}

.lead {
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.65;
  font-weight: 400;
  color: #d2d2d2;
  max-width: 860px;
}

.section.light .lead {
  color: #333;
}

/* CARDS */

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 46px;
}

.card {
  min-height: 360px;
  position: relative;
  overflow: hidden;
  background: var(--panel);
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .5s ease;
}

.card:hover img {
  transform: scale(1.025);
}

.card:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    0deg,
    rgba(0, 0, 0, .72),
    transparent 68%
  );
}

.card-copy {
  position: absolute;
  z-index: 2;
  left: 26px;
  right: 26px;
  bottom: 24px;
}

.card h3 {
  font-size: 24px;
  line-height: 1.15;
  margin: 0 0 5px;
  font-weight: 500;
}

.card p {
  margin: 0;
  color: #d0d0d0;
  font-size: 15px;
}

/* SPLIT */

.split {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 80px;
  align-items: start;
}

/* SUBPAGES */

.page-hero {
  padding: 170px 0 90px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(48px, 6vw, 86px);
  line-height: .95;
  margin: 0 0 24px;
  letter-spacing: -.04em;
  font-weight: 500;
}

.page-hero p {
  max-width: 820px;
  font-size: 21px;
  line-height: 1.6;
  color: #c8c8c8;
}

.service {
  padding: 90px 0;
  border-bottom: 1px solid var(--line);
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.service h2 {
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.05;
  margin: 0 0 20px;
  font-weight: 500;
  letter-spacing: -.03em;
}

.service p {
  color: #c7c7c7;
  font-size: 17px;
  line-height: 1.7;
}

.service img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* CONTACT */

.contact-box {
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.25;
  font-weight: 400;
}

.contact-cta {
  padding: 120px 0;
  background: #181818;
}

.contact-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 60px;
}

.contact-cta .contact-box {
  margin-top: 18px;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: -.035em;
  font-weight: 400;
}

.contact-cta .contact-box strong {
  font-weight: 500;
}

.contact-cta-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 8px;
}

/* LEGAL */

.legal {
  padding: 150px 0 90px;
  max-width: 850px;
}

.legal h1 {
  font-size: clamp(42px, 6vw, 64px);
  line-height: 1;
  font-weight: 500;
}

.notice {
  border-left: 3px solid #fff;
  padding: 16px 20px;
  background: #1a1a1a;
  color: #c8c8c8;
  margin: 25px 0;
}

/* FOOTER */

.footer {
    padding: 65px 0 30px;
    border-top: 1px solid var(--line);
    background: var(--bg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
    align-items: start;
}

.footer-logo {
    width: 180px;
    height: auto;
    filter: brightness(0) invert(1);
    margin-bottom: 24px;
}

.footer p,
.footer small {
    color: #9f9f9f;
}

.footer p {
    margin: 18px 0 0;
    line-height: 1.7;
}

.footer b {
    display: block;
    color: #f3f3f3;
    margin-bottom: 18px;
    font-family: "interstate-condensed", "interstate", Arial, sans-serif;
    font-weight: 700;
}

.footer a {
    color: #9f9f9f;
    text-decoration: none;
    transition: color .2s ease;
}

.footer a:hover {
    color: #ffffff;
}

.footer-copyright {
    margin-top: 28px !important;
    font-size: 12px;
}


/* RECHTLICHE LINKS UNTEN */

.footer-legal {
    margin-top: 45px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .10);
    font-size: 12px;
    color: #777;
}

.footer-legal a {
    color: #777;
}

.footer-legal a:hover {
    color: #ffffff;
}

.footer-legal span {
    margin: 0 10px;
    color: #555;
}


/* RESPONSIVE */

@media (max-width: 1240px) {
  .nav {
    height: 74px;
  }

  .brand img {
    width: 142px;
  }

  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    cursor: pointer;
    font-family: "interstate-condensed", "interstate", Arial, sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
  }

  .nav-links {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    margin: 0;
    padding: 20px max(24px, calc((100vw - var(--max)) / 2)) 26px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(20, 20, 20, .98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 28px rgba(0, 0, 0, .22);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    font-size: 13px;
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .hero {
    height: 64vh;
    min-height: 480px;
  }

  .hero-content {
    bottom: 10%;
    max-width: min(760px, calc(100vw - 48px));
  }

  .section,
  .contact-cta {
    padding: 84px 0;
  }

  .split,
  .service-grid {
    gap: 42px;
  }

  .contact-cta-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 54px;
  }
}

@media (max-width: 760px) {
  .wrap {
    width: min(calc(100% - 36px), var(--max));
  }

  .hero {
    height: 58vh;
    min-height: 430px;
  }

  .hero-content {
    left: 18px;
    right: 18px;
    bottom: 9%;
    max-width: none;
  }

  .hero h1 {
    font-size: clamp(38px, 10vw, 58px);
    margin: 10px 0 14px;
    line-height: .96;
  }

  .hero .tagline {
    font-size: clamp(17px, 4.6vw, 21px);
  }

  .dots {
    bottom: 18px;
  }

  .section,
  .service,
  .contact-cta {
    padding: 68px 0;
  }

  .section h2 {
    font-size: clamp(34px, 9vw, 48px);
  }

  .grid,
  .split,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .grid {
    gap: 14px;
    margin-top: 34px;
  }

  .split,
  .service-grid {
    gap: 30px;
  }

  .card {
    min-height: 300px;
  }

  .page-hero {
    padding: 132px 0 62px;
  }

  .page-hero h1 {
    font-size: clamp(40px, 11vw, 58px);
  }

  .page-hero p,
  .service p {
    font-size: 16px;
  }

  .contact-box {
    font-size: clamp(22px, 6.5vw, 32px);
    overflow-wrap: anywhere;
  }

  .contact-cta .contact-box {
    font-size: clamp(34px, 9vw, 48px);
  }

  .legal {
    padding: 128px 0 68px;
  }

  .footer {
    padding: 48px 0 25px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-logo {
    width: 155px;
  }

  .footer-legal {
    margin-top: 34px;
    line-height: 2;
  }
}

@media (max-width: 480px) {
  .wrap {
    width: min(calc(100% - 30px), var(--max));
  }

  .nav {
    height: 68px;
  }

  .brand img {
    width: 132px;
  }

  .nav-links {
    top: 68px;
    padding-left: 15px;
    padding-right: 15px;
  }

  .hero {
    height: 54vh;
    min-height: 390px;
  }

  .hero-content {
    left: 15px;
    right: 15px;
    bottom: 10%;
  }

  .hero h1 {
    font-size: clamp(34px, 10.5vw, 48px);
  }

  .eyebrow {
    font-size: 10px;
    letter-spacing: .16em;
  }

  .actions {
    gap: 9px;
    margin-top: 22px;
  }

  .btn {
    padding: 11px 14px;
    font-size: 10px;
  }

  .section,
  .service,
  .contact-cta {
    padding: 58px 0;
  }

  .lead {
    font-size: 17px;
  }

  .card {
    min-height: 260px;
  }

  .card-copy {
    left: 20px;
    right: 20px;
    bottom: 19px;
  }

  .page-hero {
    padding: 112px 0 52px;
  }

  .service img {
    aspect-ratio: 4 / 3;
  }

  .footer-legal span {
    margin: 0 6px;
  }
}

/* REDUCED MOTION */

@media (prefers-reduced-motion: reduce) {

  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }

  .slide:not(.active) {
    display: none;
  }
}



/* Feintuning Startseite: normale Interstate-Laufweite und saubere Linksbündigkeit */
.hero-content .eyebrow {
  font-family: "interstate", Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .12em;
  margin-left: 0;
  padding-left: 0;
}


/* ============================================================
   UNTERSEITEN / GALERIE
   Einfach gehalten fuer spaetere Pflege in Dreamweaver.
   Galeriebilder: immer 1600 x 1000 Pixel, WebP.
   ============================================================ */

.subpage-intro {
  padding: 170px 0 70px;
  border-bottom: 1px solid var(--line);
}

.subpage-intro .eyebrow {
  margin-bottom: 14px;
}

.subpage-intro h1 {
  margin: 0 0 24px;
  max-width: 980px;
  font-size: clamp(44px, 5.6vw, 82px);
  line-height: .95;
  letter-spacing: -.045em;
  font-weight: 500;
}

.subpage-intro .lead {
  margin: 0;
}

.content-block {
  padding: 82px 0;
  border-bottom: 1px solid var(--line);
}

.content-block h2 {
  margin: 0 0 22px;
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.05;
  letter-spacing: -.035em;
  font-weight: 500;
}

.content-copy {
  max-width: 860px;
  color: #c7c7c7;
  font-size: 17px;
}

.content-copy p {
  margin: 0 0 18px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.gallery-item {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.06);
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease, filter .45s ease;
}

.gallery-item:hover img,
.gallery-item:focus img {
  transform: scale(1.045);
  filter: brightness(1.05);
}

.gallery-item:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.gallery-note {
  margin-top: 16px;
  color: #8e8e8e;
  font-size: 12px;
}

/* LIGHTBOX */
.lightbox {
  position: fixed;
  z-index: 200;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(0,0,0,.92);
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: min(1200px, 94vw);
  max-height: 86vh;
  width: auto;
  height: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 22px;
  border: 1px solid rgba(255,255,255,.65);
  background: #141414;
  color: #fff;
  width: 44px;
  height: 44px;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.info-card {
  padding: 24px;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.06);
}

.info-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.info-card p {
  margin: 0;
  color: #bdbdbd;
  font-size: 15px;
}

.contact-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 34px;
}

.contact-panel {
  padding: 28px;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.06);
}

.contact-panel h2 {
  margin-top: 0;
}

.legal-copy {
  max-width: 900px;
}

.legal-copy h2 {
  margin-top: 38px;
  font-size: 24px;
}

.legal-copy p,
.legal-copy li {
  color: #c7c7c7;
}

.todo-note {
  margin: 24px 0;
  padding: 16px 18px;
  border-left: 3px solid #fff;
  background: #1a1a1a;
  color: #c8c8c8;
}

@media (max-width: 980px) {
  .gallery,
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .subpage-intro {
    padding: 128px 0 56px;
  }

  .content-block {
    padding: 62px 0;
  }

  .gallery,
  .info-grid,
  .contact-details {
    grid-template-columns: 1fr;
  }

  .gallery {
    gap: 12px;
  }
}


/* FINAL SUBPAGE TEXT / GALLERY TUNING */
.intro-copy {
  max-width: 860px;
  margin: 24px 0 0;
  color: #c7c7c7;
  font-size: 17px;
}

.subpage-intro .gallery {
  margin-top: 42px;
}

.gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.legal-copy {
  overflow-wrap: anywhere;
}

.legal-copy a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-stand {
  margin-top: 42px;
  font-size: 13px;
  color: #8e8e8e !important;
}

/* ============================================================
   FINALER FEINSCHLIFF UNTERSEITEN
   - einfache Pflege in Dreamweaver
   - Navigation bleibt auf allen Seiten identisch
   - Galeriebilder: 1600 x 1000 px, WebP
   ============================================================ */

/* Hauptaussage der Unterseite statt wiederholtem Navigationsbegriff */
.subpage-intro h1 {
  max-width: 900px;
  font-size: clamp(38px, 4.6vw, 68px);
  line-height: 1.02;
  margin-bottom: 26px;
  font-weight: 500;
}

.subpage-intro h1 strong {
  font-weight: 500;
}

/* Fließtext bewusst ruhiger */
.intro-copy,
.content-copy {
  max-width: 820px;
  color: #bdbdbd;
  font-size: 16px;
  line-height: 1.75;
}

/* Subheadlines deutlich, aber kleiner als die Hauptheadline */
.content-block h2 {
  max-width: 820px;
  margin: 0 0 18px;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.15;
  letter-spacing: -.02em;
  font-weight: 500;
}

.content-block {
  padding: 66px 0;
}

/* Galerie: auf Desktop zwei gleich große Bilder nebeneinander */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.gallery-item {
  min-height: 180px;
  aspect-ratio: 16 / 10;
  background: #1b1b1b;
}

/* Fallback: selbst wenn ein Bild beim Upload fehlt, bleibt der Galerieplatz sichtbar */
.gallery-item::before {
  content: "BILDPLATZHALTER";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777;
  font-size: 12px;
  letter-spacing: .12em;
  z-index: 0;
}

.gallery-item img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 760px) {
  .subpage-intro h1 {
    font-size: clamp(36px, 10vw, 52px);
  }

  .content-block h2 {
    font-size: 26px;
  }

  .gallery {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}


/* FINAL FOOTER SOCIAL ICONS + REALISIERUNG STORY IMAGES */
.social-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-top: 18px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1.2;
}

.social-link img {
  width: 1em;
  height: 1em;
  object-fit: contain;
  flex: 0 0 1em;
}

.story-image {
  max-width: 860px;
  margin-top: 28px;
}

.story-image .gallery-item {
  width: 100%;
}


/* ============================================================
   FINALER FEINSCHLIFF V5
   ============================================================ */

/* Startseite: optische Linkskante von Eyebrow und Hauptheadline angleichen. */
.hero-content .eyebrow {
  position: relative;
  left: -2px;
}

/* Impressum: Links wie im Footer - ohne Unterstreichung, heller bei Hover. */
.impressum-page .legal-copy a {
  text-decoration: none;
  color: #c7c7c7;
  transition: color .2s ease, font-weight .2s ease;
}

.impressum-page .legal-copy a:hover,
.impressum-page .legal-copy a:focus-visible {
  color: #ffffff;
  font-weight: 500;
}

/* LACKSCHUTZ: hervorgehobene Unterseite mit kompaktem Hero-Slider */
.hero.lackschutz-hero {
  height: 58vh;
  min-height: 460px;
  max-height: 680px;
}

.lackschutz-hero .hero-content {
  bottom: 12%;
}

.lackschutz-hero h1 {
  margin-bottom: 0;
}

.lackschutz-content {
  padding-top: 82px;
}

.lackschutz-content h2 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.05;
  letter-spacing: -.035em;
  font-weight: 500;
}

@media (max-width: 900px) {
  .hero.lackschutz-hero {
    height: 54vh;
    min-height: 430px;
  }
}

@media (max-width: 560px) {
  .hero.lackschutz-hero {
    height: 50vh;
    min-height: 390px;
  }

  .lackschutz-content {
    padding-top: 60px;
  }
}


/* ARTEC Feinschliff: Schwarz-/Graphit-Rhythmus ohne zusaetzliche Akzentfarbe.
   Alle Anpassungen bleiben zentral in dieser CSS-Datei bearbeitbar. */
:root {
  --artec-anthrazit: #25282a;
  --artec-weiss: #fff;
  --artec-mittelgrau: #777b7e;
}

/* Abwechselnde dunkle Ebenen statt durchgehend gleicher Flaechen. */
body { background: #090a0b; }
.section { background: linear-gradient(135deg, #111315 0%, #090a0b 100%); }
#leistungen.section { background: linear-gradient(150deg, #08090a 0%, #171a1d 55%, #0b0c0d 100%); }
.subpage-intro { background: linear-gradient(125deg, #090a0b 0%, #1d2023 65%, #101214 100%); }
.content-block:nth-of-type(even) { background: linear-gradient(120deg, #1c1f22, #121416 75%); }
.content-block:nth-of-type(odd) { background: #090a0b; }
.content-block.brand-quality { background: linear-gradient(120deg, #202326 0%, #111315 66%, #08090a 100%); }
.service:nth-of-type(even) { background: linear-gradient(130deg, #191c1f 0%, #101214 100%); }
.service:nth-of-type(odd) { background: #0a0b0c; }
#leistungen .grid > .card:last-child { background: linear-gradient(135deg, #262a2d 0%, #0c0e10 100%); }
.content-block { border-top-color: #393c3f; }
.content-block .gallery { border-color: #393c3f; }
.subpage-intro { border-bottom-color: #393c3f; }
.footer { border-top-color: #393c3f; }

/* EIN WASSERZEICHEN PRO SEITE
   Im HTML: class="page-watermark" am gewünschten Abschnitt.
   Größe, Position und Deckkraft entsprechen der bisherigen Realisierung. */
.page-watermark {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.page-watermark::before {
  content: "";
  position: absolute;
  pointer-events: none;
  background: url("../logos/artec-logo.svg") center / contain no-repeat;
  filter: brightness(0) invert(1);
  width: min(78vw, 960px);
  height: min(78vw, 960px);
  right: -330px;
  top: -220px;
  opacity: .011;
  z-index: 0;
}
.page-watermark > .wrap {
  position: relative;
  z-index: 1;
}
.brand-signature {
  display: inline-block;
  color: #bfc1c2;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0 0 20px;
}

/* Dezente Textvergroesserung bei Hover, keine farbigen Linien. */
#leistungen .card h3 {
  transform-origin: left center;
  transition: transform .25s ease;
}
#leistungen .card:hover h3,
#leistungen .card:focus-visible h3 {
  transform: scale(1.035);
  text-decoration: none;
}
.nav-links a { display: inline-block; transition: transform .22s ease, opacity .22s ease; }
.nav-links a:hover,
.nav-links a:focus-visible { transform: scale(1.045); opacity: 1; }

@media (max-width: 700px) {
  .page-watermark::before { width: 520px; height: 520px; right: -240px; top: -110px; }
}
@media (prefers-reduced-motion: reduce) {
  #leistungen .card h3, .nav-links a { transition: none; }
}


/* ARTEC Startseite: sichtbare Metallpraegung als erstes Hero-Motiv.
   Ein einziges optimiertes WebP, Bewegung per CSS. */
.slide-brand-intro { overflow:hidden; background:#08090a; }
.slide-brand-intro .brand-hero-art {
  display:block; width:100%; height:100%; object-fit:cover;
  transform:scale(1.00); transform-origin:68% 47%;
  filter:brightness(.93) contrast(1.08);
  will-change:transform;
}
.slide-brand-intro:is(.active, .leaving) .brand-hero-art {
  animation:artec-metal-approach 4.5s cubic-bezier(.22,.45,.35,1) both;
}
@keyframes artec-metal-approach {
  from { transform:scale(1.00); filter:brightness(.83) contrast(1.06); }
  to { transform:scale(1.105); filter:brightness(1.10) contrast(1.12); }
}
/* Ruhiger Silberglanz statt greller Lichtshow. */
.slide-brand-intro::before {
  content:""; position:absolute; z-index:1; inset:0; pointer-events:none;
  background:linear-gradient(112deg, transparent 28%, rgba(220,227,233,.045) 48%, transparent 59%);
  background-size:210% 100%; background-position:100% 0; opacity:0;
}
.slide-brand-intro:is(.active, .leaving)::before { animation:artec-metal-sheen 4.5s ease-in-out both; }
@keyframes artec-metal-sheen {
  0%,12% { opacity:0; background-position:100% 0; }
  36% { opacity:1; }
  85% { opacity:.55; }
  100% { opacity:0; background-position:0 0; }
}
@media(prefers-reduced-motion:reduce) {
 .slide-brand-intro:is(.active, .leaving) .brand-hero-art, .slide-brand-intro:is(.active, .leaving)::before { animation:none; }
}