/* ══════════════════════════════════════════════
   LND-Design — Shared Stylesheet
   ══════════════════════════════════════════════ */

:root{
  --ink:#211b33;
  --ink-soft:#615b78;
  --bg:#f7f6fb;
  --bg-card:#ffffff;
  --indigo:#2a1158;
  --violet:#5b2389;
  --magenta:#9c2d74;
  --coral:#e08a52;
  --amber:#eab464;
  --purple-1:#8a5cc4;
  --purple-2:#4e2884;
  --line:#e7e3f0;
  --shadow:0 30px 60px -25px rgba(42,17,88,.35);
  --serif:Georgia,'Palatino Linotype',Palatino,'Book Antiqua',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

/* ── Reset & Base ── */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
p{margin:0;}
::selection{background:var(--purple-1);color:#fff;}
.wrap{max-width:1100px;margin:0 auto;padding:0 32px;}

/* ── Language ── */
body.lang-en .lang-de{display:none !important;}
body.lang-de .lang-en{display:none !important;}

/* ── Hintergrundbilder ── */
.hero.hexband{
  background:url('images/header.jpg') center center / cover no-repeat;
}
footer.hexband{
  background:url('images/footer.jpg') center center / cover no-repeat;
}
/* Unterordner (webapps/pic/, webapps/tex/) */
.subpage .hero.hexband{
  background:url('../../images/header.jpg') center center / cover no-repeat;
}
.subpage footer.hexband{
  background:url('../../images/footer.jpg') center center / cover no-repeat;
}

/* ── Nav ── */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(247,246,251,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s;
}
header.nav.scrolled{border-color:var(--line);box-shadow:0 8px 24px -16px rgba(42,17,88,.2);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:13px 32px;max-width:1100px;margin:0 auto;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand img{height:42px;width:auto;max-width:220px;}
.brand-text span{font-family:var(--serif);font-size:1rem;color:var(--ink);display:block;}
.brand-text small{font-size:.68rem;letter-spacing:.12em;color:var(--ink-soft);text-transform:uppercase;}
nav.links{display:flex;gap:28px;align-items:center;}
nav.links a{font-family:var(--serif);font-size:.92rem;color:var(--ink);position:relative;padding:4px 0;}
nav.links a::after{content:'';position:absolute;left:0;bottom:-2px;height:2px;width:0;background:linear-gradient(90deg,var(--violet),var(--coral));transition:width .3s;}
nav.links a:hover::after,nav.links a.active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:12px;}

/* ── Dropdown (Web Apps) ── */
.nav-dropdown{position:relative;}
.nav-dropdown > a{display:flex;align-items:center;gap:5px;cursor:pointer;}
.nav-dropdown > a .dd-arrow{width:10px;height:10px;transition:transform .3s;flex:none;fill:none;stroke:currentColor;stroke-width:2.5;}
.nav-dropdown:hover > a .dd-arrow,
.nav-dropdown.open > a .dd-arrow{transform:rotate(180deg);}
.dd-menu{
  position:absolute;top:calc(100% + 2px);left:50%;transform:translateX(-50%) translateY(-6px);
  background:rgba(255,255,255,.97);backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:14px;
  box-shadow:0 20px 48px -16px rgba(42,17,88,.22);
  min-width:210px;padding:8px;
  opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
}
.nav-dropdown:hover .dd-menu,
.nav-dropdown.open .dd-menu{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0);}
.dd-menu a{
  display:flex;align-items:center;gap:10px;
  padding:9px 13px;border-radius:9px;
  font-family:var(--serif);font-size:.88rem;color:var(--ink);
  transition:background .18s,color .18s;
}
.dd-menu a:hover{background:#f1eefb;color:var(--violet);}
.dd-menu a::after{display:none !important;}
.dd-menu::before{content:'';position:absolute;top:-12px;left:0;right:0;height:12px;}
.dd-icon{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex:none;font-size:1rem;}
.dd-label{display:flex;flex-direction:column;gap:1px;}
.dd-label span{font-size:.88rem;color:var(--ink);line-height:1.2;}
.dd-label small{font-size:.67rem;color:var(--ink-soft);}
.dd-divider{height:1px;background:var(--line);margin:5px 4px;}

/* Language toggle */
.lang-btn{
  font-family:var(--serif);font-size:.8rem;font-weight:600;
  background:transparent;border:1.5px solid var(--line);
  color:var(--ink-soft);padding:5px 11px;border-radius:99px;cursor:pointer;
  transition:border-color .2s,color .2s,background .2s;letter-spacing:.04em;
}
.lang-btn:hover{border-color:var(--violet);color:var(--violet);}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px;}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:8px;font-family:var(--serif);font-size:.92rem;cursor:pointer;border:none;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s;white-space:nowrap;}
.btn-primary{background:linear-gradient(135deg,var(--purple-1),var(--purple-2));color:#fff;box-shadow:0 12px 26px -14px rgba(78,40,132,.6);}
.btn-primary::after{content:'';position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.38),transparent);transform:skewX(-20deg);transition:left .6s;}
.btn-primary:hover::after{left:130%;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(78,40,132,.78);}
.btn-ghost{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.48)!important;color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-outline{background:transparent;border:1.5px solid var(--line)!important;color:var(--ink-soft);}
.btn-outline:hover{border-color:var(--violet)!important;color:var(--violet);}

/* ── Reveal ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ── Section helpers ── */
.section{padding:96px 0;}
.section-alt{background:var(--bg-card);}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:.67rem;letter-spacing:.18em;text-transform:uppercase;color:var(--magenta);margin-bottom:12px;}
.section-label::before{content:'';width:20px;height:1px;background:var(--magenta);}
.section-title{font-size:clamp(1.8rem,3vw,2.55rem);color:var(--ink);margin-bottom:10px;}
.section-sub{color:var(--ink-soft);font-size:1rem;line-height:1.72;max-width:52ch;}

/* ── Hero (index) ── */
.hero{padding:156px 0 96px;color:#fff;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(50% 60% at 70% 20%,rgba(255,255,255,.14),transparent 70%);pointer-events:none;}
.hero-inner{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.78);margin-bottom:14px;}
.hero-tag::before{content:'';width:22px;height:1px;background:rgba(255,255,255,.6);}
.hero h1{font-size:clamp(2.4rem,5vw,3.8rem);line-height:1.05;color:#fff;}
.hero p{margin:18px 0 0;font-size:1.08rem;line-height:1.65;color:rgba(255,255,255,.8);max-width:46ch;}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;}
.hero-logo img{width:150px;max-width:220px;filter:drop-shadow(0 18px 28px rgba(0,0,0,.28));animation:float 5s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-13px);}}
.scroll-hint{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;color:rgba(255,255,255,.55);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;}
.scroll-hint .dot{width:5px;height:5px;border-radius:50%;background:#fff;animation:bob 1.8s ease-in-out infinite;}
@keyframes bob{0%,100%{opacity:.3;transform:translateY(0);}50%{opacity:1;transform:translateY(7px);}}

/* ── Page Hero (detail pages) ── */
.page-hero{padding:120px 0 56px;color:#fff;position:relative;}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(50% 80% at 80% 30%,rgba(255,255,255,.12),transparent 70%);pointer-events:none;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.75rem;color:rgba(255,255,255,.65);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.65);transition:color .2s;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span{color:rgba(255,255,255,.4);}
.page-hero-inner{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;}
.page-hero-meta{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap;}
.page-hero h1{font-size:clamp(2rem,4.5vw,3.2rem);line-height:1.06;color:#fff;}
.page-hero p.lead{margin:14px 0 0;font-size:1.05rem;line-height:1.65;color:rgba(255,255,255,.82);max-width:50ch;}
.page-hero-logo{display:flex;align-items:center;justify-content:flex-end;}
.page-hero-logo img{width:100px;border-radius:22px;box-shadow:0 16px 32px rgba(0,0,0,.28);}
.year-tag{font-size:.72rem;font-weight:600;padding:4px 12px;border-radius:99px;background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.35);}
.eol-tag{font-size:.72rem;font-weight:600;padding:4px 12px;border-radius:99px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.2);}

/* ── Detail page content ── */
.detail-section{padding:72px 0;border-bottom:1px solid var(--line);}
.detail-section:last-of-type{border-bottom:none;}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.detail-grid.flip .detail-media{order:2;}
.detail-grid.flip .detail-copy{order:1;}
.detail-copy h2{font-size:1.65rem;color:var(--ink);margin-bottom:14px;}
.detail-copy p{color:var(--ink-soft);line-height:1.72;font-size:.97rem;margin-bottom:14px;}
.detail-copy p:last-child{margin:0;}
.detail-media img{
  width:100%;border-radius:14px;
  filter:drop-shadow(0 20px 28px rgba(42,17,88,.28));
}

/* Feature list */
.feature-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:var(--ink-soft);line-height:1.55;}
.feature-list li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--magenta);flex:none;margin-top:.42em;}

/* Tags */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;}
.tag{font-size:.74rem;padding:5px 12px;border-radius:99px;background:#f1eefb;color:var(--violet);border:1px solid #e0d9f7;}

/* Screenshot gallery */
.gallery{display:grid;gap:14px;}
.gallery.g1{grid-template-columns:1fr;}
.gallery.g2{grid-template-columns:1fr 1fr;}
.gallery.g3{grid-template-columns:1fr 1fr 1fr;}
.gallery img{border-radius:12px;width:100%;filter:drop-shadow(0 12px 22px rgba(42,17,88,.22));}

/* Gear animation */
.codi-anim-wrap{position:relative;width:100%;max-width:280px;margin:0 auto;aspect-ratio:500/800;}
.codi-anim-wrap .codi-bg{width:100%;height:100%;object-fit:contain;display:block;}
.codi-gear{position:absolute;width:50%;aspect-ratio:1;left:29%;top:9.6%;animation:gear-spin 3s ease-in-out infinite;transform-origin:center center;}
@keyframes gear-spin{0%{transform:rotate(0deg);}50%{transform:rotate(180deg);}100%{transform:rotate(0deg);}}

/* Changelog */
.changelog{display:flex;flex-direction:column;gap:24px;}
.cl-entry{}
.cl-version{font-family:var(--serif);font-style:italic;font-size:.88rem;color:var(--violet);margin-bottom:6px;}
.cl-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px;}
.cl-list li{display:flex;gap:8px;font-size:.88rem;color:var(--ink-soft);line-height:1.5;}
.cl-list li::before{content:'–';color:var(--line);flex:none;}

/* Reviews */
.reviews{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
blockquote.review{margin:0;padding:18px 20px;border-left:3px solid var(--magenta);background:#f9f7ff;border-radius:0 10px 10px 0;font-style:italic;color:var(--ink-soft);font-size:.9rem;line-height:1.65;}

/* Placeholder */
.placeholder-card{border:2px dashed var(--line);border-radius:14px;padding:40px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--ink-soft);gap:10px;min-height:180px;}
.placeholder-card span{font-size:.87rem;}

/* ── Timeline ── */
.timeline{position:relative;margin-top:64px;}
.timeline::before{content:'';position:absolute;left:88px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--violet),var(--coral));opacity:.2;}
.tl-entry{display:grid;grid-template-columns:88px 1fr;gap:0 40px;margin-bottom:64px;position:relative;}
.tl-entry:last-child{margin-bottom:0;}
.tl-year{text-align:right;padding-top:8px;}
.tl-year-badge{display:inline-block;font-family:var(--serif);font-weight:600;font-size:.8rem;background:linear-gradient(135deg,var(--violet),var(--magenta));color:#fff;padding:5px 10px;border-radius:20px;position:relative;white-space:nowrap;}
.tl-year-badge::after{content:'';position:absolute;right:-30px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--violet),var(--magenta));box-shadow:0 0 0 3px var(--bg),0 0 0 5px rgba(91,35,137,.25);}
.tl-card{background:var(--bg-card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 6px 24px -14px rgba(42,17,88,.12);transition:box-shadow .3s,transform .3s;}
.tl-card:hover{box-shadow:0 16px 40px -20px rgba(42,17,88,.22);transform:translateY(-2px);}
.tl-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px;}
.tl-app-logo{width:52px;height:52px;border-radius:13px;object-fit:cover;flex:none;box-shadow:0 4px 14px -5px rgba(42,17,88,.28);}
.tl-app-logo-placeholder{width:52px;height:52px;border-radius:13px;flex:none;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--serif);font-size:1.2rem;font-weight:600;box-shadow:0 4px 14px -5px rgba(42,17,88,.28);}
.tl-title-wrap{flex:1;}
.tl-app-name{font-family:var(--serif);font-size:1.25rem;color:var(--ink);margin-bottom:5px;}
.tl-badges{display:flex;gap:7px;flex-wrap:wrap;}
.badge{font-size:.67rem;padding:3px 9px;border-radius:99px;font-weight:500;}
.badge-eol{background:#f1eefb;color:var(--violet);border:1px solid #e0d9f7;}
.badge-ios{background:#fdf0e8;color:var(--coral);border:1px solid #f8d9c0;}
.tl-desc{color:var(--ink-soft);line-height:1.68;font-size:.94rem;margin-bottom:18px;}
.tl-more{display:inline-flex;align-items:center;gap:6px;font-family:var(--serif);font-size:.85rem;color:var(--violet);font-style:italic;margin-top:4px;transition:gap .2s;}
.tl-more:hover{gap:10px;}
.tl-thumb{margin-top:16px;border-radius:12px;overflow:hidden;}
.tl-thumb img{width:100%;display:block;filter:drop-shadow(0 8px 14px rgba(42,17,88,.18));}

/* ── About ── */
.about-inner{display:grid;grid-template-columns:280px 1fr;gap:64px;align-items:center;}
.about-photo-wrap{position:relative;max-width:280px;}
.about-ring{position:absolute;inset:-12px;border-radius:50%;background:conic-gradient(from 120deg,var(--indigo),var(--violet),var(--magenta),var(--coral),var(--amber),var(--indigo));opacity:.58;filter:blur(2px);animation:spin 14s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.about-photo-wrap img{position:relative;border-radius:50%;aspect-ratio:1;object-fit:cover;border:6px solid var(--bg-card);}
.about-copy .name{font-family:var(--serif);font-style:italic;color:var(--magenta);display:block;margin-bottom:5px;font-size:.95rem;}
.about-copy h2{font-size:clamp(1.7rem,3vw,2.2rem);margin-bottom:16px;}
.about-copy p{color:var(--ink-soft);line-height:1.75;margin-bottom:13px;font-size:1rem;}

/* ── Contact ── */
.contact-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;}
.contact-info h2{font-size:clamp(1.7rem,3vw,2.2rem);margin-bottom:14px;}
.contact-info p{color:var(--ink-soft);line-height:1.7;margin-bottom:22px;font-size:1rem;}
.info-line{display:flex;gap:11px;align-items:center;margin-bottom:12px;color:var(--ink-soft);font-size:.93rem;}
.info-line svg{width:16px;height:16px;flex:none;color:var(--magenta);}
form.card{background:var(--bg-card);border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow);}
.field{margin-bottom:15px;}
.field label{display:block;font-size:.78rem;color:var(--ink-soft);margin-bottom:5px;}
.field input,.field textarea{width:100%;padding:10px 13px;border-radius:9px;border:1px solid var(--line);font-family:var(--sans);font-size:.92rem;color:var(--ink);background:#fbfaff;transition:border-color .25s,box-shadow .25s;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--purple-1);box-shadow:0 0 0 4px rgba(138,92,196,.12);}
.field textarea{min-height:108px;resize:vertical;}
.form-note{font-size:.75rem;color:var(--ink-soft);margin-top:10px;font-style:italic;}

/* ── Footer ── */
footer.hexband{color:#fff;padding:68px 0 30px;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.17);}
.footer-brand p{color:rgba(255,255,255,.72);margin-top:13px;line-height:1.68;max-width:30ch;font-size:.9rem;}
footer h4{font-family:var(--serif);font-size:.92rem;margin-bottom:14px;color:#fff;}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
footer ul a{color:rgba(255,255,255,.75);font-size:.88rem;transition:color .2s,padding-left .2s;}
footer ul a:hover{color:#fff;padding-left:4px;}
.social-row{display:flex;gap:9px;margin-top:4px;}
.social-row a{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.12);transition:background .25s,transform .25s;}
.social-row a:hover{background:rgba(255,255,255,.25);transform:translateY(-2px);}
.social-row svg{width:15px;height:15px;fill:#fff;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:22px;font-size:.73rem;color:rgba(255,255,255,.5);}

/* ── Responsive ── */
@media(max-width:860px){
  nav.links{position:fixed;top:60px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 28px;gap:14px;box-shadow:0 14px 22px -14px rgba(42,17,88,.22);transform:translateY(-120%);transition:transform .35s;border-bottom:1px solid var(--line);z-index:99;}
  nav.links.open{transform:translateY(0);}
  .burger{display:flex;}
  .dd-menu{position:static;transform:none !important;opacity:1 !important;pointer-events:auto;box-shadow:none;border:none;background:transparent;padding:0 0 0 16px;}
  .nav-dropdown .dd-menu{display:none;}
  .nav-dropdown.open .dd-menu{display:flex;flex-direction:column;}
  .hero-inner,.page-hero-inner{grid-template-columns:1fr;}
  .hero-logo,.page-hero-logo{display:none;}
  .timeline::before{left:0;}
  .tl-entry{grid-template-columns:1fr;gap:10px;}
  .tl-year{text-align:left;}
  .tl-year-badge::after{display:none;}
  .about-inner,.contact-inner{grid-template-columns:1fr;}
  .about-photo-wrap{margin:0 auto;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
  .detail-grid,.detail-grid.flip{grid-template-columns:1fr;}
  .detail-grid.flip .detail-media,.detail-grid.flip .detail-copy{order:initial;}
  .gallery.g2,.gallery.g3{grid-template-columns:1fr 1fr;}
  .reviews{grid-template-columns:1fr;}
}
@media(max-width:520px){
  .wrap{padding:0 18px;}
  .gallery.g3{grid-template-columns:1fr;}
  .nav-inner{padding:12px 18px;}
}