:root{
  --bg:#0c0b09;
  --bg-soft:#15130f;
  --paper:#f4efe6;
  --paper-2:#ebe2d4;
  --ink:#1c1914;
  --muted:#6d665c;
  --gold:#b89552;
  --gold-light:#d3b677;
  --line:rgba(184,149,82,.35);
  --white:#fff;
  --shadow:0 20px 50px rgba(0,0,0,.25);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  font-family:Inter, Arial, sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.55;
}

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

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

.container{
  width:min(1180px,calc(100% - 40px));
  margin:auto;
}

.serif{
  font-family:"Cormorant Garamond", Georgia, serif;
}


/* =========================
   HEADER / NAVIGATION
========================= */

.topbar{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:50;
  background:rgba(10,9,7,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}

.nav{
  height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}

.logo{
  display:flex;
  align-items:center;
  gap:14px;
  color:#fff;
  font-family:"Cormorant Garamond", Georgia, serif;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  line-height:1.05;
}

.logo-mark{
  width:42px;
  height:42px;
  border:1px solid var(--gold);
  border-radius:50%;
  display:grid;
  place-items:center;
  color:var(--gold);
  font-size:24px;
}

.menu{
  display:flex;
  align-items:center;
  gap:22px;
  font-size:12px;
  text-transform:uppercase;
  font-weight:800;
  letter-spacing:.06em;
  color:#f7f2e8;
}

.menu a{
  opacity:.9;
}

.menu a:hover,
.menu a.active{
  color:var(--gold-light);
  opacity:1;
}

.mobile-toggle{
  display:none;
  background:none;
  border:0;
  color:white;
  font-size:28px;
}


/* =========================
   HOME HERO
========================= */

.hero{
  min-height:670px;
  padding-top:88px;
  position:relative;
  overflow:hidden;
  background:#111;
  color:white;
  display:grid;
  place-items:center;
  text-align:center;
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;

  background:
    linear-gradient(rgba(0,0,0,.35),rgba(0,0,0,.55)),
    url('../img/hero/hero-01.jpg');

  background-size:cover;
  background-position:center;

  filter:grayscale(1) contrast(1.08);
  transform:scale(1.02);
}

.hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:160px;
  background:linear-gradient(transparent,rgba(0,0,0,.75));
}

.hero-inner{
  position:relative;
  z-index:2;
  width:min(880px,calc(100% - 40px));
  padding:70px 0;
}

.hero h1{
  font-family:"Cormorant Garamond", Georgia, serif;
  font-size:clamp(42px,6vw,74px);
  line-height:1.05;
  font-weight:500;
  margin:0 0 24px;
}


/* =========================
   SUBPAGE HERO
========================= */

.subhero{
  padding:170px 0 80px;

  background:
    linear-gradient(rgba(0,0,0,.55),rgba(0,0,0,.72)),
    url('../img/hero/hero-01.jpg');

  background-size:cover;
  background-position:center;

  color:white;
  text-align:center;
  filter:none;
}

.subhero h1{
  font-family:"Cormorant Garamond", Georgia, serif;
  font-size:clamp(44px,6vw,72px);
  font-weight:500;
  margin:0;
}

.subhero p{
  max-width:760px;
  margin:16px auto 0;
  color:#ece5d7;
}


/* =========================
   GENERAL
========================= */

.gold-line{
  width:52px;
  height:3px;
  background:var(--gold);
  margin:22px auto;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;

  border:1px solid var(--gold);
  background:var(--gold);
  color:white;

  padding:14px 25px;

  font-size:12px;
  text-transform:uppercase;
  font-weight:900;
  letter-spacing:.08em;

  transition:.2s;
}

.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(184,149,82,.3);
}

.btn.ghost{
  background:transparent;
  color:var(--gold);
}

.btn.ghost:hover{
  background:var(--gold);
  color:white;
}


/* =========================
   SECTIONS
========================= */

.section{
  padding:76px 0;
}

.section.dark{
  background:var(--bg);
  color:white;
}

.section.soft{
  background:linear-gradient(180deg,var(--paper),var(--paper-2));
}

.section-title{
  text-align:center;
  margin:0 0 44px;
}

.section-title h2{
  font-family:"Cormorant Garamond", Georgia, serif;
  font-size:clamp(32px,4vw,46px);
  font-weight:500;
  text-transform:uppercase;
  letter-spacing:.04em;
  margin:0;
}

.section-title p{
  max-width:780px;
  margin:16px auto 0;
  color:var(--muted);
}

.dark .section-title p{
  color:#c8c0b1;
}


/* =========================
   GRID
========================= */

.grid{
  display:grid;
  gap:24px;
}

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

.grid-3{
  grid-template-columns:repeat(3,1fr);
}

.grid-4{
  grid-template-columns:repeat(4,1fr);
}


/* =========================
   BOOKS
========================= */

.books-feature{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
  align-items:center;
}

.book-card{
  display:grid;
  grid-template-columns:260px 1fr;
  gap:42px;
  align-items:center;
}

.book-cover{
  width:260px;
  max-width:100%;
  display:block;
  background:none !important;
  box-shadow:none !important;
  position:relative;
  overflow:visible;
  filter:drop-shadow(0 28px 45px rgba(0,0,0,.22));
}

.book-title{
  font-family:"Cormorant Garamond", Georgia, serif;
  font-size:34px;
  line-height:1.12;
  margin:0 0 14px;
}

.book-author{
  color:#4b443b;
  font-weight:700;
  margin-bottom:24px;
}

.book-card p{
  font-size:16px;
  line-height:1.65;
  max-width:360px;
}


/* =========================
   CARDS / NEWS
========================= */

.news-card,
.content-card{
  background:#fff;
  box-shadow:0 12px 32px rgba(0,0,0,.08);
  border:1px solid rgba(0,0,0,.04);
  overflow:hidden;
}

.news-img,
.section-card-img{
  height:190px;
  width:100%;
  object-fit:cover;
  display:block;
  filter:grayscale(.75);
}

.news-body,
.content-body{
  padding:22px;
}

.kicker{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:900;
  color:var(--gold);
  margin-bottom:8px;
}

.news-body h3,
.content-body h3{
  font-family:"Cormorant Garamond", Georgia, serif;
  font-size:26px;
  line-height:1.05;
  margin:0 0 12px;
}

.meta{
  font-size:13px;
  color:var(--muted);
  display:grid;
  gap:4px;
  margin-top:16px;
}

.link{
  display:inline-flex;
  margin-top:20px;
  color:var(--gold);
  font-weight:900;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
}


/* =========================
   SEMINARE / WORKSHOPS
========================= */

.education-intro{
  max-width:1040px;
  margin:0 auto;
  gap:32px;
}

.education-intro .content-card{
  height:100%;
  border-top:3px solid var(--gold);
  transition:
    transform .25s ease,
    box-shadow .25s ease;
}

.education-intro .content-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 42px rgba(0,0,0,.12);
}

.education-intro .content-body{
  padding:36px;
}

.education-intro .content-body h3{
  font-size:38px;
  margin-bottom:18px;
}

.education-intro .content-body p{
  color:#403a32;
  line-height:1.7;
}

.education-intro .kicker{
  margin-bottom:10px;
}


/* =========================
   ACCORDION
========================= */

.accordion{
  max-width:1040px;
  margin:30px auto 0;
  display:grid;
  gap:16px;
}

.acc-item{
  background:#fff;
  border:1px solid rgba(0,0,0,.08);
  border-left:3px solid var(--gold);
  box-shadow:0 8px 28px rgba(0,0,0,.06);
  overflow:hidden;
}

.acc-head{
  padding:24px 28px;
  cursor:pointer;

  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:center;

  transition:background .2s ease;
}

.acc-head:hover{
  background:#faf7f1;
}

.acc-head h3{
  font-family:"Cormorant Garamond", Georgia, serif;
  font-size:28px;
  margin:0;
  line-height:1.1;
}

.acc-head span{
  color:var(--gold);
  font-size:28px;
  line-height:1;
  font-weight:400;
  transition:transform .25s ease;
}

.acc-content{
  display:none;
  padding:0 28px 28px;
  color:#332e27;
  line-height:1.7;
}

.acc-item.open .acc-content{
  display:block;
}

.acc-item.open .acc-head span{
  transform:rotate(45deg);
}

.acc-content p{
  margin:0 0 16px;
}

.acc-content p:last-child{
  margin-bottom:0;
}

.acc-content ul{
  margin:10px 0 0;
  padding-left:22px;
}

.acc-content li{
  margin:0 0 13px;
  padding-left:5px;
}

.acc-content li::marker{
  color:var(--gold);
}


/* =========================
   FEATURE TILES
========================= */

.feature-tiles{
  display:grid;
  grid-template-columns:repeat(5,1fr);
}

.tile{
  min-height:330px;
  position:relative;
  color:white;
  padding:34px 24px;

  display:flex;
  flex-direction:column;
  justify-content:flex-end;

  overflow:hidden;

  border-right:1px solid rgba(255,255,255,.2);
}

.tile::before{
  content:"";
  position:absolute;
  inset:0;

  background-size:cover;
  background-position:center;

  filter:grayscale(1);
  transition:.3s;
}

.tile:nth-child(1)::before{
  background-image:
    linear-gradient(rgba(0,0,0,.35),rgba(0,0,0,.82)),
    url("../img/sections/ausstellungen.jpg");
}

.tile:nth-child(2)::before{
  background-image:
    linear-gradient(rgba(0,0,0,.35),rgba(0,0,0,.82)),
    url("../img/sections/vortraege.jpg");
}

.tile:nth-child(3)::before{
  background-image:
    linear-gradient(rgba(0,0,0,.35),rgba(0,0,0,.82)),
    url("../img/sections/workshops.jpg");
}

.tile:nth-child(4)::before{
  background-image:
    linear-gradient(rgba(0,0,0,.35),rgba(0,0,0,.82)),
    url("../img/sections/buecher.jpg");
}

.tile:nth-child(5)::before{
  background-image:
    linear-gradient(rgba(0,0,0,.35),rgba(0,0,0,.82)),
    url("../img/sections/forschung.jpg");
}

.tile:hover::before{
  transform:scale(1.05);
  filter:grayscale(.35);
}

.tile>*{
  position:relative;
}

.tile h3{
  font-size:22px;
  text-transform:uppercase;
  margin:0 0 12px;
}

.tile p{
  font-size:14px;
  color:#e7dfd2;
}


/* =========================
   QUOTE
========================= */

.quote-band{
  background:linear-gradient(90deg,#16130e,#27231a);
  color:white;
  padding:48px 0;
}

.quote{
  font-family:"Cormorant Garamond", Georgia, serif;
  font-size:32px;
  text-align:center;
  margin:0;
}


/* =========================
   TEXT / CONTENT
========================= */

.prose{
  font-size:18px;
  max-width:980px;
  margin:auto;
}

.prose p{
  margin:0 0 22px;
}

.list-clean{
  padding-left:20px;
}

.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:start;
}


/* =========================
   TIMELINE
========================= */

.timeline{
  display:grid;
  gap:18px;
  max-width:980px;
  margin:auto;
}

.timeline-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:24px;

  background:#fff;
  padding:24px;

  border-left:4px solid var(--gold);
  box-shadow:0 8px 28px rgba(0,0,0,.06);
}


/* =========================
   FOOTER
========================= */

.footer{
  background:#080706;
  color:#d7d0c4;
  padding:50px 0 26px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  gap:32px;
}

.footer h4{
  color:white;
  margin:0 0 14px;
  text-transform:uppercase;
  font-size:13px;
  letter-spacing:.08em;
}

.footer a{
  display:block;
  color:#d7d0c4;
  margin:7px 0;
}


/* =========================
   TABLET
========================= */

@media (max-width:980px){

  .menu{
    display:none;
    position:absolute;
    top:88px;
    left:0;
    right:0;
    background:#0b0a08;
    flex-direction:column;
    align-items:flex-start;
    padding:24px;
  }

  .menu.open{
    display:flex;
  }

  .mobile-toggle{
    display:block;
  }

  .books-feature,
  .book-card,
  .two-col{
    grid-template-columns:1fr;
  }

  .grid-3,
  .grid-4{
    grid-template-columns:1fr 1fr;
  }

  .feature-tiles{
    grid-template-columns:1fr 1fr;
  }

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


/* =========================
   MOBILE
========================= */

@media (max-width:760px){

  .grid-2{
    grid-template-columns:1fr;
  }

  .education-intro{
    max-width:620px;
  }

  .education-intro .content-body{
    padding:28px;
  }

  .education-intro .content-body h3{
    font-size:34px;
  }
}


@media (max-width:640px){

  .nav{
    height:76px;
  }

  .hero{
    padding-top:76px;
    min-height:600px;
  }

  .grid-3,
  .grid-4,
  .feature-tiles{
    grid-template-columns:1fr;
  }

  .book-cover{
    max-width:220px;
  }

  .timeline-item{
    grid-template-columns:1fr;
  }

  .section{
    padding:58px 0;
  }

  .acc-head{
    padding:20px;
  }

  .acc-content{
    padding:0 20px 22px;
  }

  .acc-head h3{
    font-size:24px;
  }
}