/* ============================================================
   Lab 05 — Nachtstück · Sternbilder der KI-Agentinnen
   Pflaume-Nacht, Canvas-Konstellationen, Maus-Gravitation.
   ============================================================ */

@font-face { font-family:'EB Garamond'; src:url('fonts/eb-garamond-latin-400-normal.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'EB Garamond'; src:url('fonts/eb-garamond-latin-400-italic.woff2') format('woff2'); font-weight:400; font-style:italic; font-display:swap; }
@font-face { font-family:'Inter'; src:url('fonts/inter-latin-400-normal.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'Inter'; src:url('fonts/inter-latin-500-normal.woff2') format('woff2'); font-weight:500; font-style:normal; font-display:swap; }
@font-face { font-family:'Inter'; src:url('fonts/inter-latin-600-normal.woff2') format('woff2'); font-weight:600; font-style:normal; font-display:swap; }

:root {
  --berry:#8B1A6B; --berry-soft:#A84A8A;
  --gold:#C8A55B; --gold-deep:#A8853F; --gold-soft:#DCC089;
  --plum:#3A1530; --plum-deep:#2A0F22;
  --paper:#FBF8F3; --paper-deep:#E8DDC8;
  --serif:'EB Garamond', Georgia, serif;
  --sans:'Inter', -apple-system, sans-serif;
}

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

body {
  background:radial-gradient(130% 100% at 50% 0%, #331229 0%, var(--plum-deep) 58%) fixed, var(--plum-deep);
  color:var(--paper);
  font-family:var(--sans);
  font-size:16px; line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

::selection { background:var(--gold); color:var(--plum-deep); }

#sky { position:fixed; inset:0; width:100%; height:100%; z-index:0; }

header, main, footer { position:relative; z-index:1; }

/* ---------- Kopf ---------- */
.top {
  position:fixed; top:0; left:0; right:0; z-index:10;
  display:flex; justify-content:space-between; align-items:center;
  padding:1.3rem clamp(1.3rem, 4vw, 3rem);
}
.top__brand { font-family:var(--serif); font-size:1.2rem; color:var(--paper); }
.top__cta {
  font-weight:500; font-size:.74rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--gold-soft); text-decoration:none;
  border-bottom:1px solid rgba(200,165,91,.35); padding-bottom:.22em;
  transition:color .3s, border-color .3s;
}
.top__cta:hover { color:var(--gold); border-color:var(--gold); }

/* ---------- Panels ---------- */
.panel {
  min-height:105vh;
  display:flex; align-items:center;
  padding:0 clamp(1.4rem, 6vw, 6rem);
}
.panel__body {
  max-width:26rem; position:relative;
  padding:2.6rem 0;
}
.panel__body::before {
  content:""; position:absolute; inset:-2.4rem -3.2rem; z-index:-1;
  background:radial-gradient(ellipse 100% 100% at 50% 50%, rgba(42,15,34,.82), transparent 72%);
}
.panel__body--center { max-width:34rem; margin:0 auto; text-align:center; }

.panel--hero .panel__body { max-width:36rem; }

.eyebrow {
  font-weight:600; font-size:.66rem; letter-spacing:.3em;
  text-transform:uppercase; color:var(--gold);
}
.hl { font-family:var(--serif); font-style:italic; color:var(--gold-soft); }

.hero__title {
  font-family:var(--serif); font-weight:400;
  font-size:clamp(2.6rem, 6.5vw, 4.8rem); line-height:1.08;
  margin-top:1.2rem; text-wrap:balance;
}
.lead {
  margin-top:1.7rem; font-size:1.03rem; line-height:1.8;
  color:rgba(251,248,243,.78); max-width:34em;
}
.hero__hint {
  margin-top:3rem;
  font-size:.7rem; letter-spacing:.26em; text-transform:uppercase;
  color:rgba(251,248,243,.4);
}

.panel__title {
  font-family:var(--serif); font-weight:400;
  font-size:clamp(2rem, 4.4vw, 3.1rem); line-height:1.1;
  margin-top:1rem;
}
.panel__text {
  margin-top:1.2rem; font-size:1rem; line-height:1.8;
  color:rgba(251,248,243,.76);
}
.panel__made {
  margin-top:1.5rem;
  font-family:var(--serif); font-style:italic;
  font-size:.92rem; color:var(--gold);
}

.finale__title {
  font-family:var(--serif); font-weight:400;
  font-size:clamp(2.2rem, 5.4vw, 3.8rem); line-height:1.1;
  text-wrap:balance;
}
.btn {
  display:inline-block; margin-top:2.2rem;
  font-weight:600; font-size:.78rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--gold-soft); text-decoration:none;
  border:1px solid rgba(200,165,91,.55); border-radius:100px;
  padding:1.1rem 2.4rem;
  transition:background .4s, color .4s, border-color .4s;
}
.btn:hover, .btn:focus-visible { background:var(--gold); color:var(--plum-deep); border-color:var(--gold); }
.btn:focus-visible { outline:2px solid var(--gold-soft); outline-offset:4px; }

/* ---------- Footer ---------- */
.footer {
  text-align:center; padding:3rem 1.4rem 2.4rem;
  border-top:1px solid rgba(200,165,91,.15);
  background:rgba(42,15,34,.5);
}
.footer__firm {
  font-weight:600; font-size:.64rem; letter-spacing:.3em;
  text-transform:uppercase; color:var(--gold-soft);
}
.footer__meta { margin-top:.55rem; font-size:.72rem; color:rgba(251,248,243,.42); }
.footer__lab { margin-top:1.2rem; font-size:.66rem; letter-spacing:.1em; }
.footer__lab a { color:rgba(200,165,91,.6); text-decoration:none; }
.footer__lab a:hover { color:var(--gold); }

/* ---------- Reveals ---------- */
[data-reveal] {
  opacity:0; transform:translateY(24px);
  transition:opacity 1s cubic-bezier(.2,.65,.25,1), transform 1s cubic-bezier(.2,.65,.25,1);
  transition-delay:var(--d, 0s);
}
[data-reveal].in { opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity:1; transform:none; transition:none; }
}