/* Optik Tauberg (Demo), AETHER Studio. Soft Structuralism. Radien: Buttons/Nav pill, Bezel 28 außen / 20 innen, Felder 14. Z-Skala: Menü 55, Nav 60, Skip 100 */
@font-face{font-family:"Grotesk";src:url(fonts/space-grotesk-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Grotesk";src:url(fonts/space-grotesk-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Grotesk";src:url(fonts/space-grotesk-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Grotesk";src:url(fonts/space-grotesk-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Tight";src:url(fonts/inter-tight-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Tight";src:url(fonts/inter-tight-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Tight";src:url(fonts/inter-tight-600.woff2) format("woff2");font-weight:600;font-display:swap}

:root{
  --bg:#f4f4f3;--paper:#fbfbfa;--ink:#121212;--ink-2:#3a3a38;--mute:#5f5f5b;
  --line:rgba(18,18,18,.14);
  --hair:linear-gradient(90deg,rgba(18,18,18,0),rgba(18,18,18,.15) 10%,rgba(18,18,18,.15) 90%,rgba(18,18,18,0));
  --r-lg:28px;--r-in:20px;
  --shadow-soft:0 44px 80px -44px rgba(60,48,40,.38),0 18px 34px -24px rgba(60,48,40,.2);
  --sec:clamp(96px,12vw,176px);
  --acc:#c93c55;--acc-d:#a42e44;
  --display:"Grotesk",ui-sans-serif,system-ui,sans-serif;
  --body:"Tight",ui-sans-serif,system-ui,sans-serif;
  --wrap:1240px;--pad:clamp(20px,4vw,48px);--r:14px;
  --ease:cubic-bezier(.32,.72,0,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.02em;margin:0;text-wrap:balance}
p{margin:0}
ol,ul{list-style:none;margin:0;padding:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
:focus-visible{outline:3px solid var(--acc-d);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:12px 16px;border-radius:8px;z-index:100}
.skip:focus{top:12px}

.demo-bar{background:var(--ink);color:#f1f1ef;font-size:13.5px;text-align:center;padding:9px 16px}

/* Navigation: schwebende Glas-Pille, Burger morpht zum X, Vollbild-Menü */
.site-header{position:sticky;top:12px;z-index:60;height:0}
.pill{display:flex;align-items:center;gap:20px;width:min(1120px,calc(100% - 2 * var(--pad)));margin:14px auto 0;padding:8px 8px 8px 22px;border-radius:999px;
  background:rgba(251,251,250,.7);-webkit-backdrop-filter:blur(22px) saturate(1.5);backdrop-filter:blur(22px) saturate(1.5);
  box-shadow:0 0 0 1px rgba(18,18,18,.06),0 22px 44px -24px rgba(50,40,34,.35),inset 0 1px 0 rgba(255,255,255,.85)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.01em;margin-right:auto}
.main-nav{display:flex;gap:2px}
.main-nav a{text-decoration:none;font-size:15.5px;padding:0 16px;border-radius:999px;color:var(--ink-2);min-height:44px;display:inline-flex;align-items:center;transition:background .5s var(--ease),color .5s var(--ease)}
.main-nav a:hover{color:var(--ink);background:rgba(18,18,18,.06)}
.burger{display:none;position:relative;width:48px;height:48px;border:0;border-radius:50%;background:rgba(18,18,18,.06);cursor:pointer;padding:0}
.burger span{position:absolute;left:15px;right:15px;top:50%;height:1.5px;margin-top:-.75px;background:var(--ink);transition:transform .7s var(--ease)}
.burger span:first-child{transform:translateY(-4px)}.burger span:last-child{transform:translateY(4px)}
.burger[aria-expanded="true"] span:first-child{transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:55;display:grid;align-content:center;padding:110px var(--pad) 48px;background:rgba(244,244,243,.8);-webkit-backdrop-filter:blur(36px) saturate(1.4);backdrop-filter:blur(36px) saturate(1.4);opacity:0;visibility:hidden;transition:opacity .6s var(--ease),visibility 0s .6s}
.menu.open{opacity:1;visibility:visible;transition:opacity .6s var(--ease)}
.menu a:not(.btn){display:block;font-family:var(--display);font-weight:600;font-size:clamp(36px,10vw,68px);letter-spacing:-.03em;line-height:1.15;text-decoration:none;padding:6px 0}
.menu .btn{margin-top:28px;justify-self:start}
.menu a,.menu .btn{opacity:0;transform:translateY(48px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.menu.open a,.menu.open .btn{opacity:1;transform:none;transition-delay:calc(var(--i) * 70ms + 120ms)}
html.menu-open{overflow:hidden}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:52px;padding:0 26px;border-radius:999px;font-family:var(--display);font-weight:600;font-size:16px;text-decoration:none;border:0;cursor:pointer;transition:transform .6s var(--ease),background .5s var(--ease),color .5s var(--ease)}
.btn:active{transform:scale(.98)}
.btn-ico{padding:0 8px 0 26px}
.btn .ico{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;transition:transform .6s var(--ease),background .5s var(--ease)}
.btn:hover .ico{transform:translate(2px,-1px) scale(1.06)}
.btn-ink{background:var(--ink);color:#fff;box-shadow:0 16px 30px -18px rgba(18,18,18,.6)}
.btn-ink .ico{background:rgba(255,255,255,.15)}
.btn-ink:hover{background:#2c2c2a}
.btn-line{color:var(--ink);background:rgba(251,251,250,.55);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn-line .ico{background:rgba(18,18,18,.08)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-line:hover .ico{background:rgba(255,255,255,.16)}

/* Double-Bezel: Außenschale + Kern mit konzentrischen Radien */
.bezel{padding:8px;border-radius:var(--r-lg);background:rgba(18,18,18,.045);box-shadow:0 0 0 1px rgba(18,18,18,.07),var(--shadow-soft)}
.core{position:relative;margin:0;border-radius:var(--r-in);overflow:hidden}
.core::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 1px 1px rgba(255,255,255,.45);pointer-events:none}
.bezel-dark{background:rgba(255,255,255,.06);box-shadow:0 0 0 1px rgba(255,255,255,.1),0 44px 80px -34px rgba(0,0,0,.65)}

/* Einblenden beim Scrollen: nur Transform + Opacity */
@media (prefers-reduced-motion:no-preference){
  .js [data-reveal]{opacity:0;transform:translateY(44px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease);transition-delay:calc(var(--i,0) * 90ms)}
  .js [data-reveal].in{opacity:1;transform:none}
}

/* Hero: Durch die Brille. Gläser wachsen beim Scrollen, bis die scharfe Szene den Bildschirm füllt */
@property --s{syntax:"<number>";inherits:true;initial-value:0}
.hero{position:relative}
.stage{--s:0;--r0:clamp(86px,21vmin,210px);--d0:calc(var(--r0) + 14px);--bw:clamp(8px,1.1vmin,14px);
  --R:calc(var(--r0) + var(--s) * (85vmax - var(--r0)));
  --D:calc(var(--d0) * (1 - var(--s)));
  --Y:calc(50% + (50% - var(--r0) - 84px) * (1 - var(--s)));
  position:relative;min-height:clamp(700px,100dvh,920px);overflow:hidden;background:var(--bg)}
.scene,.veil,.frames{position:absolute;inset:0}
.scene img{width:100%;height:100%;object-fit:cover}
.scene-blur{filter:blur(16px) saturate(.8);transform:scale(1.08)}
.veil{background:linear-gradient(var(--bg) 0%,var(--bg) 34%,rgba(244,244,243,.55) 52%,rgba(244,244,243,0) 70%);pointer-events:none}
.scene-lens{-webkit-mask-image:radial-gradient(circle var(--R) at calc(50% - var(--D)) var(--Y),#000 calc(100% - 1px),transparent 100%),radial-gradient(circle var(--R) at calc(50% + var(--D)) var(--Y),#000 calc(100% - 1px),transparent 100%);
  mask-image:radial-gradient(circle var(--R) at calc(50% - var(--D)) var(--Y),#000 calc(100% - 1px),transparent 100%),radial-gradient(circle var(--R) at calc(50% + var(--D)) var(--Y),#000 calc(100% - 1px),transparent 100%)}
.frames{pointer-events:none}
.ring{position:absolute;top:var(--Y);width:calc(2 * var(--R));height:calc(2 * var(--R));border-radius:50%;border:calc(var(--bw) + var(--s) * 36px) solid var(--ink);transform:translate(-50%,-50%);box-sizing:border-box}
.ring-l{left:calc(50% - var(--D))}.ring-r{left:calc(50% + var(--D))}
.bridge{position:absolute;left:50%;top:calc(var(--Y) - var(--r0) * .28);height:var(--bw);width:max(0px,calc(2 * var(--D) - 2 * var(--R) + var(--bw) * 3));background:var(--ink);transform:translate(-50%,-50%)}
.hero-copy{position:relative;z-index:2;padding-top:clamp(104px,11vw,136px)}
.hero h1{font-size:clamp(36px,6.4vw,92px);line-height:1.02;letter-spacing:-.035em;font-weight:600;max-width:20ch}
.hero-row{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;margin-top:clamp(20px,2.6vw,36px)}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--ink-2);max-width:46ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

@supports (animation-timeline:scroll()){
  @media (prefers-reduced-motion:no-preference){
    .hero-scroll{height:calc(100dvh + 150vh)}
    .stage{position:sticky;top:0;height:100dvh;min-height:0;
      animation:lens cubic-bezier(.62,0,.3,1) both;animation-timeline:scroll(root block);animation-range:40px calc(40px + 150vh)}
    .veil{animation:veil linear both;animation-timeline:scroll(root block);animation-range:40px calc(40px + 75vh)}
    .hero-copy{animation:copy linear both;animation-timeline:scroll(root block);animation-range:40px calc(40px + 55vh)}
    .bridge{animation:bridge linear both;animation-timeline:scroll(root block);animation-range:40px calc(40px + 40vh)}
  }
}
@keyframes lens{from{--s:0}to{--s:1}}
@keyframes veil{to{opacity:0}}
@keyframes copy{to{opacity:0;transform:translateY(-6vh);pointer-events:none}}
@keyframes bridge{to{opacity:0}}

/* Statement */
.statement{padding:var(--sec) 0}
.statement-text{font-family:var(--display);font-weight:500;font-size:clamp(30px,4.4vw,64px);line-height:1.12;letter-spacing:-.028em;max-width:24ch;color:var(--ink);text-wrap:pretty}
.statement-text .w{display:inline-block}
.statement-text .k{color:var(--acc-d)}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .statement-text .w{color:rgba(18,18,18,.5);animation:ink linear both;animation-timeline:view();animation-range:cover 8% cover 42%}
    .statement-text .w.k{color:rgba(164,46,68,.75);animation-name:inkk}
  }
}
@keyframes ink{to{color:var(--ink)}}
@keyframes inkk{to{color:var(--acc-d)}}

/* Leistungen */
.services{padding:0 0 var(--sec)}
.services-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(40px,7vw,112px)}
.services-head{align-self:start;position:sticky;top:104px}
.services-head h2{font-size:clamp(30px,3.6vw,52px);line-height:1.08}
.services-head p{color:var(--ink-2);margin-top:16px;max-width:30ch}
.services-img{margin-top:36px;max-width:320px}
.services-img .core{aspect-ratio:1}
.services-img img{width:100%;height:100%;object-fit:cover}
.service-list li{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:start;padding:34px 0;background:var(--hair) bottom/100% 1px no-repeat}
.service-list li:first-child{background:var(--hair) top/100% 1px no-repeat,var(--hair) bottom/100% 1px no-repeat}
.service-list h3{transition:transform .8s var(--ease)}
.service-list li:hover h3{transform:translateX(10px)}
.service-list h3{font-size:clamp(24px,2.4vw,34px);line-height:1.15}
.service-list p{color:var(--ink-2);margin-top:8px;max-width:44ch}
.service-list .meta{font-size:14px;color:var(--mute);padding-top:9px;white-space:nowrap}

/* Linsen-Lupe */
.lens-sec{background:var(--ink);color:#f4f4f3;padding:var(--sec) 0}
.lens-grid{display:grid;grid-template-columns:6fr 5fr;gap:clamp(32px,6vw,96px);align-items:center}
.lens-text h2{font-size:clamp(34px,4.6vw,68px);line-height:1.04}
.lens-text p{margin-top:20px;color:#d6d6d3;max-width:40ch}
.lens-text .lens-hint{font-size:14.5px;color:#a9a9a5;margin-top:28px}
.lens-wrap{justify-self:end;width:100%;max-width:540px}
.lens{--x:50%;--y:42%;position:relative;margin:0;border-radius:var(--r-in);overflow:hidden;aspect-ratio:4/5;max-height:78vh;touch-action:pan-y;cursor:crosshair;width:100%;background:#222}
.lens img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.lens-base{filter:blur(9px) saturate(.9);transform:scale(1.04)}
.lens-sharp{-webkit-mask-image:radial-gradient(circle 112px at var(--x) var(--y),#000 96%,transparent 100%);mask-image:radial-gradient(circle 112px at var(--x) var(--y),#000 96%,transparent 100%)}
.lens-ring{position:absolute;left:var(--x);top:var(--y);width:224px;height:224px;margin:-112px 0 0 -112px;border-radius:50%;border:2px solid rgba(255,255,255,.85);box-shadow:0 0 0 1px rgba(0,0,0,.2);pointer-events:none}
.lens:focus-visible{outline:3px solid #fff}

/* Sehtest-Ablauf */
.steps{padding:var(--sec) 0}
.steps-grid{display:grid;grid-template-columns:1fr;gap:clamp(40px,5vw,72px)}
.steps h2{font-size:clamp(30px,3.6vw,52px);line-height:1.08;margin-bottom:clamp(32px,4vw,56px)}
.chart .row{display:grid;grid-template-columns:1fr;gap:6px;padding:22px 0;background:var(--hair) top/100% 1px no-repeat}
.chart p{color:var(--ink-2);margin-top:6px;max-width:42ch}
.chart .r1 h3{font-size:clamp(52px,8vw,112px);line-height:1}
.chart .r2 h3{font-size:clamp(40px,5.6vw,80px);line-height:1}
.chart .r3 h3{font-size:clamp(30px,3.8vw,54px);line-height:1.05}
.chart .r4 h3{font-size:clamp(22px,2.4vw,34px);line-height:1.1}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .chart .row h3{animation:focusin linear both;animation-timeline:view();animation-range:cover 6% cover 34%}
  }
}
@keyframes focusin{from{filter:blur(10px);opacity:.62}to{filter:blur(0);opacity:1}}
.steps-img img{width:100%;aspect-ratio:2.2/1;object-fit:cover;object-position:50% 58%}

/* Team */
.team{padding:0 0 var(--sec)}
.team-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,5vw,80px)}
.team h2{font-size:clamp(30px,3.6vw,52px);line-height:1.08}
.team-left{align-self:start;position:sticky;top:104px}
.team-list li{display:flex;justify-content:space-between;gap:16px;padding:22px 0;background:var(--hair) bottom/100% 1px no-repeat;flex-wrap:wrap}
.team-list li:first-child{background:var(--hair) top/100% 1px no-repeat,var(--hair) bottom/100% 1px no-repeat}
.t-name{font-family:var(--display);font-weight:600;font-size:21px}
.t-role{color:var(--mute)}
.quote{margin:clamp(28px,4vw,56px) 0 0;padding:0;max-width:22ch;font-family:var(--display);font-weight:500;font-size:clamp(22px,2.4vw,32px);line-height:1.25;letter-spacing:-.015em}
.quote footer{font-family:var(--body);font-size:14px;color:var(--mute);margin-top:12px;letter-spacing:0}
.faq{margin-top:28px}
.faq h3{font-size:19px;margin-bottom:6px}
.faq details{background:var(--hair) bottom/100% 1px no-repeat}
.faq summary{transition:color .5s var(--ease);cursor:pointer;list-style:none;padding:16px 36px 16px 0;min-height:48px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:11px;font-size:26px;font-weight:400;color:var(--acc-d)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{color:var(--ink-2);padding:0 0 18px;max-width:52ch}

/* Kontakt */
.contact{padding:var(--sec) 0;background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(40px,7vw,112px);align-items:start}
.contact h2{font-size:clamp(30px,3.6vw,52px);line-height:1.08}
.contact-info>p{color:var(--ink-2);margin-top:14px}
dl{margin:32px 0 0}
dl>div{padding:16px 0;background:var(--hair) top/100% 1px no-repeat}
dt{font-size:13px;color:var(--mute);text-transform:uppercase;letter-spacing:.08em;font-family:var(--display)}
dd{margin:4px 0 0;font-size:18px}
dd a{text-decoration:none;border-bottom:1.5px solid var(--acc)}
.form{display:grid;gap:18px;align-content:start;background:#fff;padding:clamp(22px,3.4vw,40px)}
.field label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
.field input,.field select{width:100%;min-height:52px;border:1.5px solid #7a7a76;background:#fff;border-radius:var(--r);padding:0 14px;font:inherit;color:var(--ink);transition:border-color .5s var(--ease)}
.field input:focus,.field select:focus{outline:3px solid var(--acc-d);outline-offset:1px;border-color:var(--ink)}
.form .btn{justify-self:start;margin-top:6px}
.form-note{font-size:14px;color:var(--mute)}

.site-footer{background:var(--ink);color:#d6d6d3;padding:28px 0;font-size:14.5px}
.foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.site-footer nav{display:flex;gap:6px}
.site-footer a{text-decoration:none;padding:12px 10px;min-height:44px;display:inline-flex;align-items:center}
.site-footer a:hover{color:#fff;text-decoration:underline}

@media (max-width:960px){
  .main-nav,.header-cta{display:none}
  .burger{display:block}
  .pill{padding-left:18px}
  .hero-row,.services-grid,.lens-grid,.steps-grid,.team-grid,.contact-grid{grid-template-columns:1fr}
  .services-head,.steps-img{position:static}
  .services-img{display:none}
  .team-left{position:static}
  .lens-wrap{justify-self:stretch;max-width:none}
  .lens{aspect-ratio:4/4.4}
  .steps-img img{aspect-ratio:3/2}
  .service-list li{grid-template-columns:1fr}
  .service-list .meta{padding-top:0}
}
@media (max-width:560px){
  .team-list li{flex-direction:column;gap:2px}
  body{font-size:16.5px}
  .btn{width:100%;justify-content:space-between}
  .hero-actions{width:100%}
  .brand span{font-size:17px}
  .bezel{padding:6px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

@media (min-width:961px){.menu{display:none}}