/* =========================================================
   Smart Building Böhme Maik — sbbm.net
   Durchgehende Wabenfläche über die gesamte Seite,
   Abschnitte durch Trennlinien und Flächenhelligkeit gegliedert.
   Schriften lokal eingebunden (kein Google-Fonts-Aufruf).
   ========================================================= */

@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans Condensed";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/ibm-plex-sans-condensed-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans Condensed";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/ibm-plex-sans-condensed-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2")}

:root{
  color-scheme:dark;

  --bg:#0E1315;
  --panel:rgba(23,30,34,.82);
  --panel-solid:#171E22;
  --panel-2:rgba(16,22,25,.72);
  --veil:rgba(8,11,13,.58);

  --ink:#EEF2F3;
  --ink-soft:#CBD5D9;
  --muted:#94A2A8;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.22);

  --accent:#E8823D;
  --accent-deep:#C05C25;
  --signal:#4FB3AC;

  --shadow-sm:0 1px 2px rgba(0,0,0,.45), 0 6px 16px -8px rgba(0,0,0,.6);
  --shadow-md:0 2px 6px rgba(0,0,0,.5), 0 22px 44px -22px rgba(0,0,0,.85);
  --shadow-lg:0 4px 10px rgba(0,0,0,.5), 0 44px 88px -34px rgba(0,0,0,.95);
  --maxw:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  margin:0;color:var(--ink);
  background-color:var(--bg);
  background-image:url("img/hex-tile.png");
  background-repeat:repeat;
  background-size:672px 388px;     /* feste Wabengröße auf jedem Gerät */
  background-position:center top;
  font-family:"IBM Plex Sans","Segoe UI",Helvetica,Arial,sans-serif;
  font-size:16.5px;line-height:1.68;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:"IBM Plex Sans Condensed","IBM Plex Sans",Helvetica,Arial,sans-serif;font-weight:700;margin:0;text-wrap:balance;letter-spacing:-.012em;color:#fff}
h1{font-size:clamp(2.3rem,5.6vw,4rem);line-height:1.04}
h2{font-size:clamp(1.65rem,3.4vw,2.4rem);line-height:1.12}
h3{font-size:1.16rem;line-height:1.3;font-weight:600}
p{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.label{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}

.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.94rem;font-weight:600;text-decoration:none;
  padding:13px 22px;border:1px solid transparent;border-radius:2px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{
  background:var(--accent-deep);color:#fff;border-color:var(--accent-deep);
  box-shadow:0 10px 24px -12px rgba(232,130,61,.9);
  position:relative;overflow:hidden;
}
.btn--primary:hover{background:var(--accent);border-color:var(--accent)}
.btn--primary::after{
  content:"";position:absolute;top:0;left:-60%;width:45%;height:100%;
  background:linear-gradient(100deg, transparent, rgba(255,255,255,.28), transparent);
  transform:skewX(-18deg);transition:left .55s cubic-bezier(.3,.7,.3,1);
}
.btn--primary:hover::after{left:120%}
.btn--ghost,.btn--onDark{border-color:var(--line-strong);color:#fff;background:rgba(255,255,255,.04)}
.btn--ghost:hover,.btn--onDark:hover{border-color:#fff;background:rgba(255,255,255,.11)}
:is(a,button):focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:40;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-solid{
  background:rgba(11,15,17,.86);backdrop-filter:blur(12px);border-bottom-color:var(--line);
}
/* Lesefortschritt als feine Kupferlinie an der Header-Unterkante */
.progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  background:linear-gradient(90deg, var(--accent-deep), var(--accent));
  transform:scaleX(0);transform-origin:0 50%;
  transition:opacity .3s ease;opacity:0;
}
.site-header.is-solid .progress{opacity:1}
.bar{display:flex;align-items:center;gap:22px;height:76px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;margin-right:auto}
.brand img{height:34px;width:auto}
.logo-dark{display:none}
.brand-txt b{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:1rem;display:block;line-height:1.2;white-space:nowrap;color:#fff}
.brand-txt span{font-size:.75rem;line-height:1.2;display:block;color:var(--muted)}
.site-nav{display:flex;gap:28px}
.site-nav a{font-size:.92rem;text-decoration:none;color:var(--ink-soft);padding:5px 0;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.site-nav a:hover{color:#fff;border-bottom-color:var(--accent)}

/* ---------- Mobile-Navigation ---------- */
.nav-toggle{
  display:none;width:42px;height:38px;flex:none;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);border-radius:2px;cursor:pointer;color:#fff;
}
.nav-toggle i{display:block;width:17px;height:1.5px;background:currentColor;position:relative;transition:background .2s}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:17px;height:1.5px;background:currentColor;transition:transform .24s ease}
.nav-toggle i::before{top:-5.5px}
.nav-toggle i::after{top:5.5px}
.nav-toggle[aria-expanded="true"] i{background:transparent}
.nav-toggle[aria-expanded="true"] i::before{transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i::after{transform:translateY(-5.5px) rotate(-45deg)}
.mobile-nav{
  position:absolute;top:100%;left:0;right:0;
  background:rgba(13,18,20,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-md);padding:6px 0 12px;
}
.mobile-nav a{display:block;padding:14px 24px;text-decoration:none;color:#fff;font-size:1.02rem;border-bottom:1px solid var(--line)}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a::before{content:attr(data-i);font-family:"IBM Plex Mono",monospace;font-size:.7rem;color:var(--accent);margin-right:12px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:172px 0 118px;overflow:hidden;isolation:isolate}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(115% 85% at 76% 12%, rgba(232,130,61,.20), transparent 58%),
    linear-gradient(180deg, rgba(9,12,14,.55) 0%, rgba(9,12,14,.30) 45%, rgba(9,12,14,.62) 100%);
}
/* Lebendes Wabennetz: Signale laufen durch die Fläche */
#hexfx{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:0;transition:opacity 1.2s ease}
#hexfx.is-on{opacity:1}
.hero-inner{max-width:760px;position:relative;z-index:1}

/* Einlauf des Hero-Textes */
.hero-inner > *{animation:riseIn .9s cubic-bezier(.2,.7,.2,1) both}
.hero-inner > *:nth-child(1){animation-delay:.05s}
.hero-inner > *:nth-child(2){animation-delay:.16s}
.hero-inner > *:nth-child(3){animation-delay:.28s}
.hero-inner > *:nth-child(4){animation-delay:.40s}
.hero-inner > *:nth-child(5){animation-delay:.52s}
@keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero h1{margin:20px 0 24px}
.hero .lede{font-size:1.14rem;color:var(--ink-soft);max-width:56ch}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.eyebrow-line{display:inline-flex;align-items:center;gap:12px}
.eyebrow-line::before{content:"";width:38px;height:1px;background:var(--accent)}

.specbar{position:relative;margin-top:44px;border-top:1px solid var(--line-strong);overflow:hidden}
.specbar::before{
  content:"";position:absolute;top:0;left:0;height:1px;width:30%;
  background:linear-gradient(90deg, transparent, var(--accent), transparent);
  animation:sweep 7.5s ease-in-out infinite;
}
@keyframes sweep{0%{transform:translateX(-45%)}50%{transform:translateX(280%)}100%{transform:translateX(-45%)}}
.specs{
  display:flex;flex-wrap:wrap;gap:12px 26px;padding:15px 0 0;
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted);
}
.specs span{display:inline-flex;align-items:center;gap:9px}
.specs span::before{content:"";width:4px;height:4px;background:var(--accent);transform:rotate(45deg);flex:none}

/* ---------- Kennzahlen ---------- */
.stats{position:relative;z-index:3;margin-top:-56px}
.stats-inner{
  background:var(--panel-solid);border:1px solid var(--line);box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.stat{padding:30px 30px 32px;border-right:1px solid var(--line);position:relative}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:"IBM Plex Sans Condensed",sans-serif;font-size:2rem;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:6px;font-size:.92rem;color:var(--muted)}
.stat::after{content:"";position:absolute;left:30px;top:22px;height:2px;width:0;background:var(--accent);transition:width .8s cubic-bezier(.2,.7,.2,1)}
.stats-inner.is-in .stat::after{width:34px}
.stats-inner.is-in .stat:nth-child(2)::after{transition-delay:.12s}
.stats-inner.is-in .stat:nth-child(3)::after{transition-delay:.24s}

/* ---------- Abschnitte: Waben laufen durch, Trennung über Linie + Helligkeit ---------- */
.section{position:relative;padding:96px 0;border-top:1px solid var(--line)}
.section--veil{background:var(--veil)}
.sec-head{max-width:58ch;margin-bottom:48px}
.sec-head h2{margin:12px 0 14px}
.sec-head p{color:var(--muted);font-size:1.03rem}
.section p{color:var(--muted)}

/* ---------- Leistungskarten ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
  background:var(--panel);backdrop-filter:blur(3px);
  border:1px solid var(--line);border-radius:3px;
  padding:30px 28px 32px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.card::before{content:"";position:absolute;inset:-1px -1px auto -1px;height:3px;background:var(--accent);opacity:0;transition:opacity .2s ease;z-index:2}
/* Kupferschein folgt dem Zeiger über der Karte */
.card .sheen{
  position:absolute;inset:0;border-radius:3px;pointer-events:none;opacity:0;
  transition:opacity .3s ease;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%), rgba(232,130,61,.16), transparent 70%);
}
.card:hover .sheen{opacity:1}
.card > :not(.sheen){position:relative;z-index:1}
.card::after{
  content:"";position:absolute;right:12px;top:12px;width:16px;height:16px;
  border-top:1px solid var(--line-strong);border-right:1px solid var(--line-strong);
  transition:border-color .2s ease,width .25s ease,height .25s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);background:rgba(27,35,39,.88)}
.card:hover::before{opacity:1}
.card:hover::after{border-color:var(--accent);width:26px;height:26px}
.card .ico{width:44px;height:44px;display:grid;place-items:center;margin-bottom:18px;border:1px solid var(--line-strong);border-radius:2px;color:var(--accent)}
.card .label{display:block;margin-bottom:9px;color:var(--muted)}
.card h3{margin-bottom:11px}
.card p{color:var(--muted);font-size:.97rem}
.tags{margin:16px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:7px}
.tags li{font-family:"IBM Plex Mono",monospace;font-size:.7rem;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.03);padding:3px 9px;border-radius:999px}

/* ---------- Schema ---------- */
.schema-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.schematic{background:var(--panel-solid);border:1px solid var(--line);box-shadow:var(--shadow-md);padding:24px;border-radius:3px}
.schematic svg{width:100%;height:auto;display:block}
.flow-dot{animation:flow 3.6s linear infinite}
@keyframes flow{0%{transform:translateY(0);opacity:0}8%{opacity:1}92%{opacity:1}100%{transform:translateY(214px);opacity:0}}
.node rect{transition:stroke .2s ease}
.node:hover rect{stroke:var(--accent);stroke-width:1.5}
.node .led{animation:led 3.6s ease-in-out infinite}
.node:nth-of-type(2) .led{animation-delay:.55s}
.node:nth-of-type(3) .led{animation-delay:1.1s}
.node:nth-of-type(4) .led{animation-delay:1.65s}
@keyframes led{0%,70%,100%{opacity:.35}12%,30%{opacity:1}}
.schematic .meta{
  display:flex;justify-content:space-between;gap:14px;margin-top:14px;padding-top:12px;
  border-top:1px dashed var(--line);
  font-family:"IBM Plex Mono",monospace;font-size:.66rem;color:var(--muted);letter-spacing:.06em;
}
.schematic .meta b{color:var(--signal);font-weight:400}

/* ---------- Ablauf ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.step{position:relative;padding-top:26px}
.step::before{
  content:"";position:absolute;top:0;left:0;right:-26px;height:1px;background:var(--line-strong);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .7s cubic-bezier(.25,.7,.3,1);
}
.step.is-in::before{transform:scaleX(1)}
.step:nth-child(2)::before{transition-delay:.14s}
.step:nth-child(3)::before{transition-delay:.28s}
.step:nth-child(4)::before{transition-delay:.42s}
.step:last-child::before{right:0}
.step::after{
  content:"";position:absolute;top:-4px;left:0;width:9px;height:9px;background:var(--accent);
  transform:rotate(45deg) scale(0);transition:transform .45s cubic-bezier(.2,1.4,.4,1) .18s;
}
.step.is-in::after{transform:rotate(45deg) scale(1)}
.step:nth-child(2)::after{transition-delay:.32s}
.step:nth-child(3)::after{transition-delay:.46s}
.step:nth-child(4)::after{transition-delay:.60s}
.step .num{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.14em;color:var(--accent)}
.step h3{margin:10px 0 9px;font-size:1.05rem}
.step p{font-size:.94rem;color:var(--muted)}

/* ---------- Person ---------- */
.person{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}
.portrait{position:relative}
.portrait img{width:100%;border-radius:3px;position:relative;z-index:1;border:1px solid var(--line);box-shadow:var(--shadow-lg);will-change:transform}
.portrait::before{content:"";position:absolute;left:-18px;bottom:-18px;width:104px;height:104px;z-index:0;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent)}
.portrait figcaption{
  position:absolute;z-index:2;right:-14px;bottom:24px;
  background:rgba(19,25,28,.94);backdrop-filter:blur(6px);
  border:1px solid var(--line-strong);box-shadow:var(--shadow-md);
  padding:12px 18px;border-radius:2px;
}
.portrait figcaption b{display:block;font-family:"IBM Plex Sans Condensed",sans-serif;font-size:1.02rem;color:#fff}
.portrait figcaption span{font-size:.78rem;color:var(--muted)}
.quote{
  font-family:"IBM Plex Sans Condensed",sans-serif;font-size:1.5rem;line-height:1.32;color:#fff;
  margin:14px 0 26px;padding-left:20px;border-left:3px solid var(--accent);text-wrap:balance;
}
.points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:19px}
.points li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.points svg{margin-top:5px;flex:none}
.points b{display:block;font-weight:600;color:#fff}
.points span{color:var(--muted);font-size:.96rem}

/* ---------- Branchen ---------- */
.branchen{display:flex;flex-wrap:wrap;gap:9px}
.branchen span{
  font-size:.9rem;background:var(--panel);border:1px solid var(--line);
  padding:9px 16px;border-radius:2px;color:var(--ink-soft);
}

/* ---------- Kontakt ---------- */
.contact{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.contact h2{margin:14px 0 16px}
.contact .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.contact-card{background:var(--panel-solid);border:1px solid var(--line);border-radius:3px;padding:32px 30px;box-shadow:var(--shadow-md)}
.contact-card dl{margin:0;display:flex;flex-direction:column;gap:20px}
.contact-card dt{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:5px}
.contact-card dd{margin:0;color:var(--ink);font-size:.98rem;line-height:1.55}
.contact-card a{text-decoration:none;border-bottom:1px solid var(--line-strong)}
.contact-card a:hover{border-bottom-color:var(--accent);color:var(--accent)}

/* ---------- Footer ---------- */
.site-footer{background:var(--veil);color:var(--muted);padding:0 0 40px;font-size:.87rem;border-top:1px solid var(--line)}
.foot{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;padding-top:26px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--accent)}
.foot-links{display:flex;gap:20px}

/* ---------- Rechtstexte ---------- */
.legal{padding:150px 0 90px}
.legal .wrap{max-width:900px}
.legal .doc{
  max-width:none;background:var(--panel-solid);border:1px solid var(--line);
  border-radius:3px;box-shadow:var(--shadow-md);padding:48px 52px 56px;
}
.legal h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:10px}
.legal h2{font-size:1.35rem;margin:44px 0 12px}
.legal h3{margin:26px 0 8px}
.legal p,.legal li{color:var(--muted)}
.legal .doc > p{margin-bottom:14px}
.legal ul{padding-left:20px;margin:10px 0 14px}
.legal li{margin-bottom:6px}
.legal strong{color:var(--ink)}
.legal address{font-style:normal;color:var(--ink);margin:10px 0 14px;line-height:1.7}
.legal a{color:var(--ink)}
.legal .updated{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.todo{
  background:var(--panel-solid);border:1px solid var(--accent);border-left-width:3px;
  padding:14px 18px;margin:14px 0;font-size:.93rem;color:var(--ink-soft);border-radius:2px;
}
.todo b{color:var(--accent)}
.back{display:inline-flex;align-items:center;gap:8px;margin-top:48px;text-decoration:none;font-weight:600;color:var(--accent)}
.back:hover{text-decoration:underline}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .flow-dot,.node .led,.specbar::before,.hero-inner > *{animation:none}
  #hexfx{display:none}
  .step::before{transform:scaleX(1)}
  .step::after{transform:rotate(45deg) scale(1)}
  .step::before,.step::after,.progress,.btn--primary::after{transition:none}
  .card .sheen{display:none}
  .btn:hover,.card:hover{transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:940px){
  .schema-grid,.person,.contact{grid-template-columns:1fr;gap:40px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr);gap:30px}
  .step:nth-child(2)::before{right:0}
  .site-nav{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:142px 0 100px}
  .portrait{max-width:420px}
}
@media (max-width:620px){
  body{font-size:16px}
  .section{padding:68px 0}
  .stats-inner{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:22px 24px}
  .stat:last-child{border-bottom:0}
  .stats{margin-top:-40px}
  .steps{grid-template-columns:1fr;gap:26px}
  .step::before{right:0}
  .bar{height:66px;gap:12px}
  .brand img{height:28px}
  .brand-txt{display:none}
  .bar .btn{padding:10px 14px;font-size:.86rem;white-space:nowrap}
  .specs{font-size:.65rem;gap:10px 18px}
  .hero{padding:118px 0 88px}
  .quote{font-size:1.25rem}
  .portrait figcaption{right:0;bottom:14px}
  .legal{padding:110px 0 70px}
  .legal .doc{padding:28px 22px 34px}
}