/* ============================================================
   t0ne.de — Design System
   "Mittelalterlich warm" — candlelit hall. Torch-gold & wine on
   deep warm brown-black. Parchment text. Blackletter display.
   Self-contained · self-hosted fonts · no external requests.
   ============================================================ */
:root{
  --bg:#17110b; --bg-2:#1d150d; --surface:#221a10; --surface-2:#2a2014; --raise:#33271a;
  --line:rgba(231,201,150,.12); --line-2:rgba(231,201,150,.22);
  --txt:#ede0c6; --txt-dim:#c4ae89; --muted:#8c7a5b;
  --accent:#d99a3a; --accent-ink:#ecb95e; --accent-soft:rgba(217,154,58,.14);
  --wine:#8a2f22; --ember:#c0532f; --ember-ink:#dc7144;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 26px 64px rgba(0,0,0,.55);
  --shadow-sm:0 1px 2px rgba(0,0,0,.5);
  --speed:.28s; --ease:cubic-bezier(.22,.61,.27,1);
  --maxw:1080px;
  --black:"UnifrakturCook","DM Serif Display",Georgia,serif;
  --serif:"DM Serif Display",Georgia,serif;
  --sans:"Hanken Grotesk",system-ui,Segoe UI,sans-serif;
  --mono:"Space Mono",ui-monospace,Menlo,monospace;
  --r-lg:18px; --r-md:12px; --r-sm:8px;
}
*{box-sizing:border-box}
html,body{margin:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--txt);
  font:16px/1.65 var(--sans);letter-spacing:.002em;
  -webkit-font-smoothing:antialiased;min-height:100dvh;
  /* candlelit hall: warm glow from above + faint ember at the foot,
     over a barely-there parchment grain — all CSS, no external assets */
  background-image:
    radial-gradient(130% 90% at 50% -12%,rgba(217,154,58,.13),transparent 58%),
    radial-gradient(80% 50% at 50% 116%,rgba(138,47,34,.10),transparent 70%),
    repeating-linear-gradient(28deg,rgba(231,201,150,.022) 0 2px,transparent 2px 5px),
    linear-gradient(180deg,#17110b,#140f09);
  background-attachment:fixed;
}
/* index-only backdrop: castle by night, warmly scrimmed for legibility.
   Scoped to body.home so Impressum/Datenschutz keep the plain candlelit bg. */
body.home::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(120% 75% at 50% -8%, rgba(217,154,58,.16), transparent 52%),
    linear-gradient(180deg, rgba(23,17,11,.42) 0%, rgba(21,15,9,.72) 52%, rgba(19,13,8,.95) 100%),
    url(../images/castle-night.jpg) center 22%/cover no-repeat #140f09;
}
.mono{font-family:var(--mono)}
.serif{font-family:var(--serif);font-weight:400}
a{color:var(--accent-ink);text-decoration:none}
img{max-width:100%}
::selection{background:rgba(217,154,58,.32);color:#1a130c}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ===================== HEADER ===================== */
.site-header{position:sticky;top:0;z-index:30;
  background:color-mix(in srgb,var(--bg) 80%,transparent);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.nav{max-width:var(--maxw);margin:0 auto;padding:16px 28px;display:flex;align-items:center;gap:16px}
.brand{font-family:var(--black);font-weight:700;font-size:26px;letter-spacing:.01em;color:var(--txt);text-decoration:none;display:inline-flex;align-items:center;line-height:1}
.brand .z{color:var(--accent);position:relative}
.navlinks{margin-left:auto;display:flex;align-items:center;gap:4px}
.navlinks a{color:var(--txt-dim);font-weight:600;font-size:15px;padding:8px 13px;border-radius:8px;transition:.16s var(--ease)}
.navlinks a:hover{color:var(--txt);background:rgba(236,232,223,.06)}

main{max-width:var(--maxw);margin:0 auto;padding:0 28px 100px}

/* ===================== HERO ===================== */
.hero{padding:86px 0 70px;border-bottom:1px solid var(--line)}
.hero .kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--accent-ink);margin:0 0 26px}
.hero .kicker::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px}
.hero h1{font-family:var(--black);font-weight:700;letter-spacing:.005em;line-height:1.02;margin:0;
  font-size:clamp(64px,13.5vw,148px);color:var(--txt);text-shadow:0 2px 34px rgba(217,154,58,.20)}
.hero h1 .z{color:var(--accent)}
.hero .tagline{font-family:var(--serif);font-weight:400;font-size:clamp(22px,3.4vw,34px);line-height:1.2;
  margin:26px 0 0;color:var(--txt);max-width:20ch}
.hero .lead{font-size:18px;line-height:1.6;color:var(--txt-dim);max-width:54ch;margin:22px 0 0}
.hero .herocta{display:flex;gap:13px;flex-wrap:wrap;margin-top:34px}

/* ===================== BUTTONS ===================== */
.btn{display:inline-flex;align-items:center;gap:9px;cursor:pointer;text-decoration:none;
  font-weight:700;font-size:15px;padding:13px 22px;border-radius:11px;border:1.5px solid transparent;
  transition:transform .14s var(--ease),background .16s,border-color .16s,box-shadow .16s,color .16s}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--accent);color:#1a1407;box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-2px);background:var(--accent-ink);box-shadow:0 10px 26px rgba(231,178,74,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--txt)}
.btn-ghost:hover{border-color:var(--txt);transform:translateY(-2px)}

/* ===================== SECTION HEAD ===================== */
.sec{margin-top:72px}
.sechead{display:flex;align-items:baseline;gap:14px;margin-bottom:6px}
.sechead h2{font-family:var(--black);font-weight:700;font-size:clamp(27px,3.4vw,38px);letter-spacing:.01em;margin:0;color:var(--txt)}
.sechead .meta{font-family:var(--mono);font-size:12px;color:var(--muted);margin-left:auto}
.sec > .sub{color:var(--txt-dim);font-size:15.5px;margin:0 0 26px;max-width:60ch}

/* ===================== PROJECT LIST ===================== */
.projects{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.project{display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center;
  padding:30px 8px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--txt);
  position:relative;transition:padding .25s var(--ease),background .25s var(--ease)}
.project::before{content:"";position:absolute;left:-28px;right:-28px;top:0;bottom:0;background:var(--accent-soft);
  opacity:0;border-radius:12px;transition:opacity .25s var(--ease);z-index:0}
.project:hover{padding-left:20px;padding-right:20px}
.project:hover::before{opacity:1}
.project > *{position:relative;z-index:1}
.project .pnum{font-family:var(--mono);font-size:13px;color:var(--muted);padding-top:4px}
.project:hover .pnum{color:var(--accent)}
.project .pname{font-family:var(--serif);font-size:clamp(26px,4vw,40px);line-height:1.04;letter-spacing:0;margin:0 0 8px}
.project .pdesc{color:var(--txt-dim);font-size:15.5px;line-height:1.55;margin:0;max-width:52ch}
.project .ptags{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}
.ptag{font-family:var(--mono);font-size:11px;letter-spacing:.02em;color:var(--txt-dim);
  border:1px solid var(--line-2);border-radius:999px;padding:4px 11px}
.ptag.dom{color:var(--accent-ink);border-color:color-mix(in srgb,var(--accent) 45%,transparent)}
.project .parrow{flex:none;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--txt-dim);transition:.25s var(--ease)}
.project .parrow svg{width:22px;height:22px;transition:transform .25s var(--ease)}
.project:hover .parrow{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.project:hover .parrow svg{transform:translate(2px,-2px)}
.project.soon{cursor:default}
.project.soon .pname{color:var(--muted)}
.project.soon .parrow{opacity:.5}
.project.soon:hover{padding-left:8px;padding-right:8px}
.project.soon:hover::before{opacity:0}

/* ===================== INFO / CONTACT STRIP ===================== */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 32px;display:grid;grid-template-columns:1.3fr 1fr;gap:34px;align-items:center}
.panel h3{font-family:var(--black);font-weight:700;font-size:30px;letter-spacing:.01em;margin:0 0 10px;color:var(--txt)}
.panel p{color:var(--txt-dim);font-size:15.5px;line-height:1.6;margin:0;max-width:48ch}
.panel .links{display:flex;flex-direction:column;gap:10px}
.panel .links a{display:inline-flex;align-items:center;gap:10px;color:var(--txt);font-weight:600;font-size:15.5px;
  padding:11px 15px;border:1px solid var(--line-2);border-radius:11px;transition:.16s var(--ease);justify-content:space-between}
.panel .links a:hover{border-color:var(--accent);color:var(--accent-ink);transform:translateX(3px)}
.panel .links a svg{width:17px;height:17px;flex:none}

/* ===================== FOOTER ===================== */
.site-footer{border-top:1px solid var(--line);margin-top:90px;background:var(--bg-2)}
.foot{max-width:var(--maxw);margin:0 auto;padding:42px 28px;display:flex;flex-wrap:wrap;gap:20px;align-items:center}
.foot .fbrand{font-family:var(--black);font-weight:700;font-size:24px;letter-spacing:.01em}
.foot .fbrand .z{color:var(--accent)}
.foot .fnav{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto}
.foot .fnav a{color:var(--txt-dim);font-weight:600;font-size:14.5px}
.foot .fnav a:hover{color:var(--accent-ink)}
.foot .legal{flex-basis:100%;border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:12.5px;line-height:1.8}

/* ===================== PROSE (Impressum / Datenschutz) ===================== */
.prose{max-width:760px;margin:54px 0 0}
.prose h1{font-family:var(--black);font-weight:700;font-size:clamp(38px,5.5vw,54px);letter-spacing:.01em;margin:0 0 8px;color:var(--txt)}
.prose .updated{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-bottom:34px}
.prose h2{font-family:var(--sans);font-weight:800;font-size:22px;letter-spacing:-.01em;margin:38px 0 10px;
  padding-top:18px;border-top:1px solid var(--line)}
.prose h3{font-family:var(--sans);font-weight:700;font-size:17px;margin:22px 0 6px;color:var(--txt)}
.prose p,.prose li{color:var(--txt-dim);font-size:15.5px;line-height:1.78}
.prose strong{color:var(--txt)}
.prose ul{padding-left:20px}
.prose li{margin:5px 0}
.prose a{color:var(--accent-ink)}
.prose .ph{background:rgba(231,178,74,.16);border:1px dashed var(--accent);border-radius:5px;padding:1px 7px;color:var(--txt);font-style:normal}
.prose .covers{list-style:none;padding:0;margin:14px 0}
.prose .covers li{display:flex;gap:11px;align-items:baseline;border:1px solid var(--line);border-radius:11px;padding:13px 16px;margin:9px 0;background:var(--surface)}
.prose .covers li b{color:var(--txt);font-weight:700}
.prose .covers .dom{font-family:var(--mono);font-size:12.5px;color:var(--accent-ink);margin-left:auto;white-space:nowrap}
.prose .note{margin-top:34px;border-left:3px solid var(--accent);background:var(--surface);border-radius:0 var(--r-md) var(--r-md) 0;padding:16px 18px;font-size:14px;color:var(--txt-dim)}
.prose .backlink{display:inline-flex;align-items:center;gap:8px;margin-top:40px;font-weight:700}

/* ===================== HUB-LINK CARD (used on KFZ impressum) ===================== */
.linkcard{max-width:680px;margin:54px 0 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 32px}
.linkcard h1{font-family:var(--sans);font-weight:800;font-size:clamp(28px,4vw,38px);letter-spacing:-.02em;margin:0 0 14px}
.linkcard p{color:var(--txt-dim);font-size:15.5px;line-height:1.7;margin:0 0 14px}
.linkcard .cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}

/* ===================== FX ===================== */
.rise{animation:rise .5s var(--ease) both}
.rise:nth-child(2){animation-delay:.05s}.rise:nth-child(3){animation-delay:.1s}.rise:nth-child(4){animation-delay:.15s}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* ===================== MEDIEVAL ORNAMENTS ===================== */
/* illuminated drop-cap opening the hero copy */
.hero .lead::first-letter{font-family:var(--black);font-weight:700;font-size:3.05em;line-height:.72;
  float:left;margin:.05em .15em -.04em 0;color:var(--ember-ink);text-shadow:0 2px 20px rgba(192,83,47,.32)}
/* gold lozenge fleuron before each section title */
.sechead::before{content:"";flex:none;align-self:center;width:9px;height:9px;
  background:var(--accent);transform:rotate(45deg);
  box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 50%,transparent),0 0 14px rgba(217,154,58,.5)}
/* candle-glow rule across the top of the contact panel */
.panel{position:relative;overflow:hidden}
.panel::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--accent),var(--ember),transparent);opacity:.85}
/* warm rule echoing under the hero divider */
.hero{position:relative}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,var(--accent-soft),color-mix(in srgb,var(--accent) 50%,transparent),var(--accent-soft))}

/* ===================== RESPONSIVE ===================== */
@media(max-width:760px){
  .panel{grid-template-columns:1fr;gap:22px}
  .hero{padding:60px 0 50px}
}
@media(max-width:640px){
  body{font-size:15.5px}
  .nav{padding:14px 20px}
  main{padding:0 20px 80px}
  .wrap{padding:0 20px}
  .project{grid-template-columns:1fr auto;gap:14px 18px}
  .project .pnum{grid-column:1;grid-row:1;padding-top:0}
  .project .pbody{grid-column:1 / -1;grid-row:2}
  .project .parrow{grid-column:2;grid-row:1;width:42px;height:42px}
  .foot .fnav{margin-left:0;flex-basis:100%}
}