/* ==========================================================================
   Das Psychedelische Kochbuch — Premium Landingpage
   Dark Psychedelic Editorial / Science meets Mystery
   ========================================================================== */

:root{
  --bg-0:#020307;
  --bg-1:#05070B;
  --bg-2:#080A12;
  --surface-1:#0B0F1A;
  --surface-2:#111627;
  --surface-3:#151020;

  --violet:#8B2EFF;
  --violet-electric:#B35CFF;
  --cyan:#2FE6FF;
  --smoke-blue:#4C8CFF;

  --text-main:#F4F0FF;
  --text-sub:#A7A9B8;
  --line:rgba(180,120,255,0.25);

  --font-head:'Local Space Grotesk Fallback', 'Segoe UI Semibold', 'Arial', sans-serif;
  --font-body:'Local Manrope Fallback', 'Segoe UI', 'Arial', sans-serif;

  --container: 1240px;
  --radius: 18px;
}

@font-face{
  font-family:'Local Space Grotesk Fallback';
  src: local("Space Grotesk"), local("Sora");
  font-display: swap;
}
@font-face{
  font-family:'Local Manrope Fallback';
  src: local("Manrope"), local("Inter");
  font-display: swap;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-main);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* Skip link */
.skip-link{
  position:absolute;left:-999px;top:auto;
  background:var(--violet);color:#fff;padding:10px 16px;border-radius:8px;z-index:1000;
}
.skip-link:focus{left:16px;top:16px;}

/* ---------- Background atmosphere ---------- */
.bg-atmosphere{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 40% at 80% 8%, rgba(139,46,255,0.18), transparent 60%),
    radial-gradient(ellipse 50% 35% at 10% 25%, rgba(47,230,255,0.10), transparent 60%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 40%, var(--bg-0));
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(5,7,11,0.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:none;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:18px;padding-bottom:18px;
}
.logo{
  font-family:var(--font-head);
  font-weight:700;font-size:15px;letter-spacing:0.04em;line-height:1.25;
  text-transform:uppercase;
}
.logo span{display:block;}
.logo .lg-1{color:var(--text-sub);font-size:12px;}
.logo .lg-2{color:var(--text-main);}
.logo .lg-3{color:var(--violet-electric);}

.nav-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:8px;
  color:var(--text-main);padding:8px 10px;cursor:pointer;
}
.nav-toggle .bar{display:block;width:20px;height:2px;background:var(--text-main);margin:4px 0;}

.main-nav{display:flex;align-items:center;gap:36px;}
.main-nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;}
.main-nav a:not(.btn){
  font-size:14px;color:var(--text-sub);position:relative;padding-bottom:6px;
  transition:color .25s ease;
}
.main-nav a:not(.btn)::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--violet-electric);transition:width .3s ease;
}
.main-nav a:not(.btn):hover,
.main-nav a:not(.btn):focus-visible{color:var(--text-main);}
.main-nav a:not(.btn):hover::after,
.main-nav a:not(.btn):focus-visible::after{width:100%;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-head);font-size:13px;font-weight:600;
  text-transform:uppercase;letter-spacing:0.06em;
  padding:14px 26px;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg, var(--violet), var(--violet-electric));
  color:#fff;
  box-shadow:0 0 0 0 rgba(139,46,255,0);
}
.btn-primary:hover, .btn-primary:focus-visible{
  box-shadow:0 8px 28px rgba(139,46,255,0.35);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;color:var(--text-main);border-color:var(--line);
}
.btn-ghost:hover, .btn-ghost:focus-visible{
  border-color:var(--cyan);color:var(--cyan);
}
.btn-sm{padding:11px 20px;font-size:12px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:0;
  min-height:100vh;display:flex;align-items:center;
  background-image:url('/assets/img/Hero_bg.jpg');
  background-size:cover;background-position:center top;background-repeat:no-repeat;
}
.hero::before{
  content:'';position:absolute;inset:0;z-index:0;
  background:linear-gradient(135deg,rgba(2,3,7,0.88) 0%,rgba(5,7,11,0.78) 45%,rgba(2,3,7,0.65) 100%);
}
.hero .container{position:relative;z-index:1;margin-top:-20px;}
.hero .container{
  display:grid;grid-template-columns:1.05fr 0.95fr;gap:60px;align-items:center;
}
.eyebrow{
  font-family:var(--font-head);font-size:13px;letter-spacing:0.14em;
  color:var(--violet-electric);text-transform:uppercase;margin:0 0 18px;
}
.hero h1{
  font-family:var(--font-head);font-size:clamp(2.4rem,5vw,4rem);
  line-height:1.08;letter-spacing:-0.01em;margin:0 0 24px;
  text-transform:uppercase;
  text-shadow:0 0 28px rgba(179,92,255,0.35), 0 0 60px rgba(47,230,255,0.12);
}
.hero h1 .accent{color:var(--violet-electric);}
.hero .lede{
  font-size:17px;color:var(--text-sub);max-width:520px;margin:0 0 36px;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:48px;}
.trust-points{
  display:flex;gap:32px;flex-wrap:wrap;list-style:none;margin:0;padding:0;
}
.trust-points li{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-sub);
  text-transform:uppercase;letter-spacing:0.04em;
}
.trust-points svg{flex:none;width:18px;height:18px;color:var(--violet-electric);}

/* Hero visual */
.hero-visual{
  position:relative;display:flex;justify-content:center;align-items:center;
}
.hero-book{
  width:100%;max-width:520px;height:auto;
  max-height:80vh;
  object-fit:contain;
  filter:drop-shadow(0 40px 80px rgba(0,0,0,0.7));
  animation:float 7s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform:perspective(1200px) rotateY(-12deg) rotateX(2deg) translateY(0);}
  50%{transform:perspective(1200px) rotateY(-12deg) rotateX(2deg) translateY(-14px);}
}

/* ---------- Section basics ---------- */
section{position:relative;padding:120px 0;}
.section-label{
  font-family:var(--font-head);font-size:13px;letter-spacing:0.16em;
  color:var(--violet-electric);text-transform:uppercase;margin:0 0 14px;
}
.section-head{max-width:680px;margin-bottom:64px;}
.section-head h2{
  font-family:var(--font-head);font-size:clamp(1.8rem,3.4vw,2.6rem);
  line-height:1.18;margin:0;letter-spacing:-0.01em;
}
.section-head p{color:var(--text-sub);margin-top:18px;font-size:16px;}
.section-alt{background:linear-gradient(180deg, transparent, rgba(11,15,26,0.6), transparent);}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease, transform .8s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- About book columns ---------- */
.about-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:36px;
}
.about-col{
  background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;position:relative;overflow:hidden;
}
.about-col::before{
  content:'';position:absolute;top:-40%;right:-30%;width:60%;height:60%;
  background:radial-gradient(circle, rgba(139,46,255,0.18), transparent 70%);
}
.about-col .num{
  font-family:var(--font-head);font-size:13px;color:var(--cyan);letter-spacing:.1em;
}
.about-col p{color:var(--text-sub);font-size:15.5px;margin-top:14px;}

/* ---------- Preview slider ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.preview-card{
  background:linear-gradient(160deg, var(--surface-2), var(--surface-3));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;
  position:relative;overflow:hidden;transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.preview-card::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 20%, rgba(47,230,255,0.14), transparent 55%);
}
.preview-card:hover, .preview-card:focus-within{
  transform:translateY(-6px);
  border-color:var(--violet-electric);
  box-shadow:0 18px 50px rgba(139,46,255,0.18);
}
.preview-card .tag{
  position:relative;z-index:1;font-family:var(--font-head);font-size:12px;
  letter-spacing:0.1em;color:var(--violet-electric);text-transform:uppercase;margin-bottom:10px;
}
.preview-card h3{position:relative;z-index:1;font-family:var(--font-head);font-size:21px;margin:0 0 12px;}
.preview-card p{position:relative;z-index:1;color:var(--text-sub);font-size:14.5px;margin:0;}
.preview-card blockquote{
  position:relative;z-index:1;font-style:italic;color:var(--text-main);
  border-left:2px solid var(--cyan);padding-left:14px;margin:14px 0 0;font-size:14.5px;
}
.slider-dots{display:flex;gap:10px;justify-content:center;margin-top:36px;}
.slider-dots .dot{
  width:8px;height:8px;border-radius:50%;background:var(--line);border:none;cursor:pointer;
  transition:background .25s ease, transform .25s ease;
}
.slider-dots .dot.active{background:var(--violet-electric);transform:scale(1.3);}

/* ---------- Feature bar ---------- */
.feature-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.feature-item{
  background:var(--bg-1);padding:34px 26px;
}
.feature-item .icon{width:30px;height:30px;color:var(--violet-electric);margin-bottom:16px;}
.feature-item h3{font-family:var(--font-head);font-size:16px;margin:0 0 8px;}
.feature-item p{color:var(--text-sub);font-size:14px;margin:0;}

/* ---------- Author ---------- */
.author-grid{display:grid;grid-template-columns:1fr 380px;gap:60px;align-items:center;}
.author-portrait{
  position:relative;width:280px;height:280px;border-radius:50%;margin:0 auto;
  background:radial-gradient(circle at 50% 30%, rgba(139,46,255,0.4), var(--surface-3) 70%);
  border:1px solid var(--line);box-shadow:0 0 60px rgba(139,46,255,0.25);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.author-portrait svg{width:60%;opacity:.8;}
.author-list{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:16px;}
.author-list li{display:flex;gap:14px;align-items:flex-start;color:var(--text-sub);font-size:15px;}
.author-list svg{flex:none;width:20px;height:20px;color:var(--cyan);margin-top:2px;}

/* ---------- Publisher ---------- */
.publisher-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;align-items:start;}
.info-card{
  background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:36px;
}
.info-card h3{font-family:var(--font-head);font-size:19px;margin:0 0 20px;color:var(--violet-electric);}
.info-card dl{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;margin:0;}
.info-card dt{color:var(--text-sub);font-size:14px;}
.info-card dd{margin:0;font-size:14px;}
.info-card .avail{
  margin-top:20px;padding-top:20px;border-top:1px solid var(--line);
  font-size:14px;color:var(--text-sub);
}

/* ---------- Cart button (header) ---------- */
.cart-btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;cursor:pointer;
  background:transparent;border:1px solid var(--line);color:var(--text-main);
  transition:border-color .2s ease, color .2s ease;
}
.cart-btn:hover, .cart-btn:focus-visible{border-color:var(--violet-electric);color:var(--violet-electric);}
.cart-btn svg{width:20px;height:20px;}
.cart-count{
  position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;padding:0 4px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg, var(--violet), var(--violet-electric));
  color:#fff;font-size:11px;font-weight:700;border-radius:999px;line-height:1;
}

/* ---------- Shop / Merch ---------- */
.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:32px;}
.product-card{
  background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.product-card:hover, .product-card:focus-within{
  transform:translateY(-6px);border-color:var(--violet-electric);
  box-shadow:0 18px 50px rgba(139,46,255,0.18);
}
.product-visual{
  position:relative;padding:28px;display:flex;justify-content:center;align-items:center;
  background:radial-gradient(ellipse 70% 70% at 50% 35%, rgba(139,46,255,0.12), transparent 70%);
  border-bottom:1px solid var(--line);
}
.product-visual svg{width:200px;height:auto;filter:drop-shadow(0 14px 26px rgba(0,0,0,0.5));}
.product-body{padding:26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.product-body .tag{
  font-family:var(--font-head);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--cyan);
}
.product-body h3{font-family:var(--font-head);font-size:20px;margin:0;}
.product-body p{color:var(--text-sub);font-size:14.5px;margin:0;}
.sizes{display:flex;gap:8px;margin-top:6px;}
.sizes button{
  font-family:var(--font-head);font-size:12px;letter-spacing:0.04em;
  width:38px;height:38px;border-radius:8px;cursor:pointer;
  background:transparent;color:var(--text-sub);border:1px solid var(--line);
  transition:border-color .2s ease, color .2s ease, background .2s ease;
}
.sizes button:hover, .sizes button:focus-visible, .sizes button.selected{
  border-color:var(--violet-electric);color:var(--text-main);background:rgba(139,46,255,0.12);
}
.product-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.price{font-family:var(--font-head);font-size:20px;color:var(--text-main);}
.price-old{font-size:13px;color:var(--text-sub);text-decoration:line-through;margin-left:4px;}
.badge-save{
  display:inline-block;background:linear-gradient(135deg,var(--violet),var(--violet-electric));
  color:#fff;font-family:var(--font-head);font-size:11px;letter-spacing:0.06em;
  text-transform:uppercase;padding:4px 10px;border-radius:999px;
}

/* Design selector (for bundle) */
.design-selector{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;}
.design-selector button{
  font-family:var(--font-head);font-size:11px;letter-spacing:0.04em;
  padding:6px 11px;border-radius:8px;cursor:pointer;white-space:nowrap;
  background:transparent;color:var(--text-sub);border:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.design-selector button:hover,.design-selector button.selected{
  border-color:var(--violet-electric);color:var(--text-main);background:rgba(139,46,255,0.12);
}
.shop-note{
  text-align:center;color:var(--text-sub);font-size:13.5px;margin:40px auto 0;max-width:640px;
}
.shop-note a{color:var(--cyan);}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;border-radius:28px;overflow:hidden;
  padding:90px 40px;text-align:center;
  background:radial-gradient(ellipse 80% 100% at 50% 0%, rgba(139,46,255,0.35), transparent 60%),
             linear-gradient(180deg, var(--surface-3), var(--bg-0));
  border:1px solid var(--line);
}
.cta-banner::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 80px rgba(47,230,255,0.06);
}
.cta-banner h2{
  font-family:var(--font-head);font-size:clamp(1.8rem,4vw,2.8rem);
  text-transform:uppercase;margin:0 0 16px;
}
.cta-banner p{color:var(--text-sub);max-width:520px;margin:0 auto 36px;}
.cta-banner .hero-ctas{justify-content:center;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:70px 0 30px;background:var(--bg-1);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;
}
.footer-col h4{font-family:var(--font-head);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-sub);margin:0 0 18px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:var(--text-sub);font-size:14px;transition:color .2s ease;}
.footer-col a:hover, .footer-col a:focus-visible{color:var(--cyan);}
.footer-brand p{color:var(--text-sub);font-size:14px;max-width:300px;}
.social-icons{display:flex;gap:14px;margin-top:18px;}
.social-icons a{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-sub);
  transition:border-color .2s ease, color .2s ease;
}
.social-icons a:hover, .social-icons a:focus-visible{border-color:var(--violet-electric);color:var(--violet-electric);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--text-sub);font-size:13px;
}

/* ---------- Utility ---------- */
.visually-hidden{
  position:absolute !important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero .container{grid-template-columns:1fr;text-align:center;}
  .hero .lede{margin-inline:auto;}
  .trust-points{justify-content:center;}
  .hero-visual{order:-1;min-height:380px;}
  .about-grid, .preview-grid{grid-template-columns:1fr;}
  .shop-grid{grid-template-columns:1fr 1fr;}
  .feature-bar{grid-template-columns:1fr 1fr;}
  .author-grid, .publisher-grid{grid-template-columns:1fr;}
  .author-grid{text-align:center;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width: 720px){
  .main-nav{
    position:fixed;inset:64px 0 0 0;background:var(--bg-0);
    flex-direction:column;align-items:flex-start;padding:32px 24px;
    transform:translateX(100%);transition:transform .3s ease;
    border-top:1px solid var(--line);
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;gap:22px;}
  .nav-toggle{display:block;}
  .hero{padding:120px 0 80px;}
  .feature-bar{grid-template-columns:1fr;}
  .shop-grid{grid-template-columns:1fr;}
  section{padding:80px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}