/* ============================================================
   ARCTIUM DESIGN — style.css
   Editorial Luxury · Copper & Noir
   ============================================================ */

/* -- VARIABLES -- */
:root {
  --copper:      #C4622D;
  --copper-dark: #8B3A10;
  --copper-light:#E8916A;
  --noir:        #0E0A07;
  --noir-soft:   #1C1309;
  --cream:       #FAF7F2;
  --cream-warm:  #F2EBE0;
  --text:        #2A1F14;
  --text-muted:  #7A6455;
  --white:       #FFFFFF;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Outfit', sans-serif;

  --radius:    12px;
  --radius-lg: 24px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow:      0 20px 60px rgba(14,10,7,0.15);
  --shadow-hover: 0 30px 80px rgba(14,10,7,0.25);
}

/* -- RESET -- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* -- UTILITY -- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section { padding: 7rem 0; }
.label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 1rem;
}
h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--noir);
  margin-bottom: 1.5rem;
}
h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--noir);
  margin-bottom: 0.6rem;
}
p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* -- REVEAL ANIMATIONS -- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* -- BUTTON -- */
.btn {
  display: inline-block;
  padding: 0.9rem 2.4rem;
  background: var(--copper);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 100px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(196,98,45,0.3);
}
.btn:hover {
  background: var(--copper-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(196,98,45,0.45);
}
.btn--light {
  background: var(--cream);
  color: var(--copper);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.btn--light:hover {
  background: var(--white);
  color: var(--copper-dark);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2.5rem;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(250,247,242,0.95);
  backdrop-filter: blur(10px);
  padding: 0.9rem 2.5rem;
  box-shadow: 0 2px 30px rgba(14,10,7,0.08);
}

/* Nav Logo Bild */
.nav__logo { display: flex; align-items: center; }
.nav__logo-img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);   /* weiß auf dunklem Hero */
  transition: filter 0.4s ease;
}
.nav.scrolled .nav__logo-img {
  filter: brightness(0);             /* schwarz auf hellem Hintergrund */
}

/* Fallback Text-Logo */
.nav__logo-a   { color: var(--copper); }
.nav__logo-sub {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  font-weight: 300;
  vertical-align: middle;
  margin-left: 0.3em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav__links a {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,247,242,0.8);
  transition: color var(--transition);
}
.nav.scrolled .nav__links a { color: var(--text-muted); }
.nav__links a:hover { color: var(--copper); }
.nav__cta {
  background: var(--copper);
  color: var(--white) !important;
  padding: 0.5rem 1.4rem;
  border-radius: 100px;
  transition: background var(--transition) !important;
}
.nav__cta:hover { background: var(--copper-dark) !important; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--cream);
  transition: background var(--transition), transform 0.3s, opacity 0.3s;
}
.nav.scrolled .nav__burger span { background: var(--noir); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--noir);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg-shape {
  position: absolute;
  top: -15%; right: -10%;
  width: 55vw; height: 90vh;
  background: radial-gradient(ellipse at 60% 40%, rgba(196,98,45,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding-top: 6rem;
}
.hero__eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 1.5rem;
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 300;
  line-height: 1.0;
  color: var(--cream);
  margin-bottom: 2rem;
}
.hero__headline em {
  font-style: italic;
  color: var(--copper-light);
}
.hero__sub {
  font-size: 1rem;
  color: rgba(250,247,242,0.55);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 480px;
}

/* Hero Logo-Mark als Bild */
.hero__logo-mark {
  position: absolute;
  right: 6vw;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(180px, 28vw, 340px);
  opacity: 0.35;
  pointer-events: none;
}
.hero__logo-mark img {
  width: 100%;
  height: auto;
  filter: brightness(0) invert(1);  /* weiß auf dunklem Grund */
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem; left: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: rgba(250,247,242,0.35);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 40px; height: 1px;
  background: var(--copper);
  transform-origin: left;
  animation: scrollLine 2.5s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleX(0); opacity: 0; }
  40%  { transform: scaleX(1); opacity: 1; }
  80%  { transform: scaleX(1); opacity: 0; }
  100% { transform: scaleX(0); opacity: 0; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--cream); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about__text h2 { margin-bottom: 1.5rem; }
.about__text p  { margin-bottom: 1.2rem; }
.about__tools {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.about__tools span {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--copper);
  border: 1px solid var(--copper-light);
  padding: 0.4rem 1rem;
  border-radius: 100px;
}
.about__card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about__card-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--copper) 0%, var(--copper-dark) 100%);
  opacity: 0.92;
  z-index: 0;
}
.about__card-inner {
  position: relative;
  z-index: 1;
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.about__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--white);
  line-height: 1;
}
.about__stat small {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

/* ============================================================
   LEISTUNGEN
   ============================================================ */
.leistungen { background: var(--noir-soft); }
.leistungen .label { color: var(--copper-light); }
.leistungen h2    { color: var(--cream); }
.leistungen__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.leistung-card {
  background: rgba(250,247,242,0.05);
  border: 1px solid rgba(250,247,242,0.08);
  border-radius: var(--radius);
  padding: 2.2rem 1.8rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  cursor: default;
}
.leistung-card:hover {
  background: rgba(196,98,45,0.12);
  border-color: rgba(196,98,45,0.35);
  transform: translateY(-4px);
}
.leistung-card__icon {
  width: 44px; height: 44px;
  color: var(--copper);
  margin-bottom: 1.5rem;
}
.leistung-card__icon svg { width: 100%; height: 100%; }
.leistung-card h3 { color: var(--cream); font-size: 1.2rem; margin-bottom: 0.75rem; }
.leistung-card p  { color: rgba(250,247,242,0.5); font-size: 0.9rem; line-height: 1.7; }

/* ============================================================
   ARBEITEN
   ============================================================ */
.arbeiten { background: var(--cream-warm); }
.arbeiten__intro { max-width: 560px; margin-bottom: 3rem; }
.arbeiten__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 0 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.arbeit-item {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.arbeit-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.arbeit-item--wide { grid-column: span 2; }
.arbeit-item__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.arbeit-item--wide .arbeit-item__img { aspect-ratio: 16/7; }
.arbeit-item__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.arbeit-item:hover .arbeit-item__img img { transform: scale(1.04); }
.arbeit-item__info { padding: 1.2rem 1.5rem; }
.arbeit-item__info span {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--copper);
}
.arbeit-item__info h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--noir);
  margin-top: 0.3rem;
}

/* Placeholder mock cards */
.arbeit-item__img--mock { background: var(--cream-warm); position: relative; }
.arbeit-item__img--dark { background: var(--noir-soft); }
.arbeit-item__img--warm { background: linear-gradient(135deg, #E8C4A0 0%, #D4956A 100%); }
.mock-content {
  display: flex; flex-direction: column;
  align-items: center; gap: 1rem;
  padding: 2rem; width: 100%;
}
.mock-logo {
  width: 60px; height: 60px;
  border: 2px solid var(--copper);
  border-radius: 50%; opacity: 0.4;
}
.mock-lines { display: flex; flex-direction: column; gap: 8px; width: 80%; }
.mock-lines span {
  display: block; height: 8px;
  background: var(--copper);
  border-radius: 4px; opacity: 0.25;
}
.mock-lines span:nth-child(2) { width: 70%; }
.mock-lines span:nth-child(3) { width: 50%; }
.mock-content--logo { justify-content: center; }
.mock-monogram {
  font-family: var(--font-display);
  font-size: 4rem; font-weight: 300;
  color: var(--copper-light); opacity: 0.5; line-height: 1;
}
.mock-poster-top {
  width: 100%; height: 60px;
  background: rgba(255,255,255,0.3); border-radius: 6px;
}
.mock-poster-text { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.mock-poster-text span {
  display: block; height: 8px;
  background: rgba(255,255,255,0.5); border-radius: 4px;
}

/* ============================================================
   KONTAKT
   ============================================================ */
.kontakt {
  position: relative;
  background: var(--noir);
  overflow: hidden;
  text-align: center;
}
.kontakt__bg-shape {
  position: absolute;
  bottom: -30%; left: 50%;
  transform: translateX(-50%);
  width: 80vw; height: 80vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196,98,45,0.15) 0%, transparent 65%);
  pointer-events: none;
}
.kontakt .label { color: var(--copper-light); }
.kontakt h2    { color: var(--cream); }
.kontakt p     { color: rgba(250,247,242,0.5); max-width: 480px; margin: 0 auto 2.5rem; }
.kontakt__inner { position: relative; z-index: 1; }
.kontakt__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.kontakt__link {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.9rem;
  color: rgba(250,247,242,0.7);
  transition: color var(--transition);
}
.kontakt__link svg { width: 18px; height: 18px; color: var(--copper); }
.kontakt__link:hover { color: var(--copper-light); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--noir-soft);
  border-top: 1px solid rgba(250,247,242,0.06);
  padding: 2.5rem 0;
  text-align: center;
}
.footer__logo {
  display: inline-block;
  margin-bottom: 0.75rem;
}
.footer__logo-img {
  height: 40px;
  width: auto;
  margin: 0 auto;
  filter: brightness(0) invert(1);  /* weiß auf dunklem Footer */
  opacity: 0.7;
  transition: opacity 0.3s;
}
.footer__logo-img:hover { opacity: 1; }
.footer p {
  font-size: 0.78rem;
  color: rgba(250,247,242,0.25);
  letter-spacing: 0.05em;
}
.footer__small { margin-top: 0.3rem; }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  display: none;
  position: fixed; inset: 0;
  z-index: 200;
  background: rgba(14,10,7,0.95);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-height: 80vh; max-width: 90vw;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
}
.lightbox p {
  color: rgba(250,247,242,0.5);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}
.lightbox__close {
  position: absolute;
  top: 1.5rem; right: 2rem;
  background: none; border: none;
  font-size: 1.5rem;
  color: rgba(250,247,242,0.5);
  cursor: pointer;
  transition: color var(--transition);
}
.lightbox__close:hover { color: var(--copper); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .leistungen__grid  { grid-template-columns: repeat(2, 1fr); }
  .arbeiten__grid    { grid-template-columns: repeat(2, 1fr); }
  .arbeit-item--wide { grid-column: span 1; }
  .about__grid       { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  .section { padding: 5rem 0; }

  .nav__links {
    position: fixed;
    top: 0; right: 0;
    height: 100vh; width: 280px;
    background: var(--noir);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 3rem 2.5rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    z-index: 99;
  }
  .nav__links.open   { transform: translateX(0); }
  .nav__links a      { font-size: 1rem; color: var(--cream) !important; }
  .nav__burger       { display: flex; z-index: 101; }
  .nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav__burger.open span:nth-child(2) { opacity: 0; }
  .nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .hero__logo-mark   { display: none; }
  .leistungen__grid  { grid-template-columns: 1fr 1fr; }
  .arbeiten__grid    { grid-template-columns: 1fr; padding: 0 1rem; }
  .arbeit-item--wide { grid-column: span 1; }
  .kontakt__links    { flex-direction: column; gap: 1.2rem; }
}

@media (max-width: 480px) {
  .leistungen__grid { grid-template-columns: 1fr; }
  .container        { padding: 0 1.25rem; }
}

/* ============================================================
   STORY / ERFOLGSGESCHICHTE
   ============================================================ */
.story { background: var(--cream); border-top: 1px solid var(--cream-warm); }
.story__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.story__content h2 {
  margin-bottom: 1.5rem;
}
.story__content h2 em {
  font-style: italic;
  color: var(--copper);
}
.story__preview p {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 0;
}
.story__preview strong { color: var(--copper-dark); font-weight: 500; }

.story__full {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.4s ease,
              margin-top 0.4s ease;
  opacity: 0;
  margin-top: 0;
}
.story__full.open {
  max-height: 800px;
  opacity: 1;
  margin-top: 1.5rem;
}
.story__full p {
  margin-bottom: 1.2rem;
  color: var(--text-muted);
  line-height: 1.8;
}
.story__full p:last-child { margin-bottom: 0; }

.story__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--copper);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0;
  transition: color var(--transition);
}
.story__toggle:hover { color: var(--copper-dark); }
.story__toggle-icon {
  width: 20px; height: 20px;
  transition: transform 0.4s ease;
}
.story__toggle.open .story__toggle-icon {
  transform: rotate(180deg);
}
.story__toggle.open .story__toggle-text::before {
  content: 'Weniger anzeigen';
}
.story__toggle:not(.open) .story__toggle-text::before {
  content: 'Weiterlesen';
}
.story__toggle-text { display: none; } /* text comes from ::before */

/* Bildbox */
.story__img-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: sticky;
  top: 6rem;
}
.story__img-main {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.story__img-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.story__img-box:hover .story__img-main img { transform: scale(1.03); }
.story__img-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.story__img-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  border-top: 3px solid var(--cream-warm);
}
.story__img-thumb:first-child {
  border-right: 1.5px solid var(--cream-warm);
}
.story__img-thumb:last-child {
  border-left: 1.5px solid var(--cream-warm);
}
.story__img-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.story__img-thumb:hover img { transform: scale(1.05); }
.story__img-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--cream-warm);
}
.story__img-label svg {
  width: 16px; height: 16px;
  color: var(--copper);
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .story__grid { grid-template-columns: 1fr; gap: 3rem; }
  .story__img-box { position: static; }
}

/* -- BUTTON: Success / Story -- */
.btn-success {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.85rem;
  padding: 0.45rem 1.1rem;
  background: transparent;
  border: 1.5px solid var(--copper);
  color: var(--copper);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 100px;
  white-space: nowrap;
  width: fit-content;
  animation: pulse-copper 2.4s ease-in-out infinite;
  transition: background var(--transition), color var(--transition);
}
.btn-success:hover {
  background: var(--copper);
  color: var(--white);
  animation: none;
}

@keyframes pulse-copper {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(196, 98, 45, 0.35);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(196, 98, 45, 0);
  }
}