/* Lochbrunner Licht + Interior Design — site styles */
@import url('https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500&display=swap');

:root{
  --white:#ffffff;
  --paper:#f5f4f1;
  --ink:#151515;
  --ink-2:#4f4e4b;
  --ink-3:#8a8884;
  --line:#e3e1dc;
  --night:#0c0c0c;
  --wrap:1280px;
  --gut:clamp(16px,4vw,48px);
  --head:84px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--white);color:var(--ink);font:300 17px/1.65 Jost,system-ui,sans-serif;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
h1,h2,h3{font-weight:300;letter-spacing:-.01em;line-height:1.12}
h2{font-size:clamp(32px,4.2vw,54px)}
h3{font-size:22px;font-weight:400}
.lead{font-size:clamp(19px,1.7vw,23px);color:var(--ink-2);max-width:40em}
.kicker{font-size:15px;color:var(--ink-3);margin-bottom:14px;font-weight:400}
section{padding:clamp(72px,10vw,140px) 0}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .3s}
.hdr.scrolled{border-bottom-color:var(--line)}
.hdr .wrap{height:var(--head);display:flex;align-items:center;gap:32px;max-width:none}
.logo{display:flex;align-items:center;gap:12px;font-size:25px;font-weight:300;letter-spacing:.01em;white-space:nowrap}
.logo .mark{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--ink);position:relative}
.logo .mark::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--ink)}
.logo small{display:block;font-size:11px;letter-spacing:.14em;color:var(--ink-3);margin-top:-2px;font-weight:400}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:clamp(18px,2.4vw,40px)}
.nav>a,.nav .dd>a{font-size:17px;position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--ink);transition:right .3s}
.nav a:hover::after,.nav a[aria-current]::after{right:0}
.dd{position:relative;display:flex}
.dd-menu{position:absolute;top:100%;left:-22px;padding:14px 22px;background:#fff;border:1px solid var(--line);display:grid;gap:6px;min-width:200px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{opacity:1;visibility:visible;transform:none}
.dd-menu a{font-size:16px;padding:3px 0;color:var(--ink-2)}
.dd-menu a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--ink);padding:12px 22px;font:400 15px Jost,sans-serif;letter-spacing:.02em;cursor:pointer;background:transparent;color:var(--ink);transition:background .25s,color .25s;white-space:nowrap}
.btn:hover,.btn.solid{background:var(--ink);color:#fff}
.btn.solid:hover{background:#333}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}
.btn.light{border-color:#fff;color:#fff}
.btn.light:hover{background:#fff;color:var(--ink)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.burger span{position:absolute;left:8px;right:8px;height:1.5px;background:var(--ink);transition:.3s}
.burger span:nth-child(1){top:14px}.burger span:nth-child(2){top:24px}
.menu-open .burger span:nth-child(1){top:19px;transform:rotate(45deg)}
.menu-open .burger span:nth-child(2){top:19px;transform:rotate(-45deg)}

/* floating CTA on small screens */
.fab{display:none}

/* ---------- hero ---------- */
.hero{position:relative;height:calc(100vh - var(--head));min-height:520px;max-height:880px;overflow:hidden}
.hero img{width:100%;height:100%;object-fit:cover;object-position:50% 62%}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,0) 45%);z-index:1;pointer-events:none}
.hero h1{position:absolute;z-index:2;left:var(--gut);right:var(--gut);top:clamp(28px,7vh,80px);font-size:clamp(30px,4.6vw,78px);font-weight:300;letter-spacing:.16em;line-height:1.05;text-transform:uppercase}
.hero h1 span{display:block}
.hero .credit{position:absolute;z-index:2;right:var(--gut);bottom:20px;font-size:13px;color:#fff;letter-spacing:.04em;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.page-hero{height:min(62vh,620px);min-height:360px}
.page-hero h1{letter-spacing:.1em;font-size:clamp(34px,5vw,76px)}

/* ---------- claim ---------- */
.claim{padding:clamp(64px,8vw,110px) 0 clamp(40px,5vw,70px);text-align:center}
.claim p{font-size:clamp(28px,3.7vw,50px);line-height:1.22;max-width:20em;margin:0 auto}
.claim p em{font-style:normal;color:var(--ink-3)}

/* ---------- slider (westwing-like tabs + big stage) ---------- */
.slider{padding-top:0}
.tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 28px;margin-bottom:28px}
.tabs button{background:none;border:0;font:300 18px Jost,sans-serif;color:var(--ink-3);padding:6px 0;cursor:pointer;border-bottom:1px solid transparent;transition:.2s}
.tabs button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--ink)}
.stage{position:relative;aspect-ratio:16/8;overflow:hidden;background:var(--paper)}
.slides{display:flex;height:100%;transition:transform .7s cubic-bezier(.6,0,.2,1)}
.slide{flex:0 0 100%;position:relative}
.slide img{width:100%;height:100%;object-fit:cover}
.slide figcaption{position:absolute;left:0;bottom:0;background:#fff;padding:18px 26px;max-width:min(440px,85%)}
.slide figcaption b{display:block;font-weight:400;font-size:20px}
.slide figcaption span{font-size:15px;color:var(--ink-2)}
.arrows{position:absolute;right:0;bottom:0;display:flex;background:#fff}
.arrows button{width:64px;height:64px;border:0;background:#fff;cursor:pointer;font-size:22px;color:var(--ink);transition:background .2s}
.arrows button:hover{background:var(--paper)}
.arrows button+button{border-left:1px solid var(--line)}
.dots{display:flex;gap:8px;justify-content:center;margin-top:18px}
.dots i{width:28px;height:2px;background:var(--line);transition:background .3s}
.dots i.on{background:var(--ink)}

/* ---------- product icon grid ---------- */
.products{background:var(--paper)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:clamp(36px,5vw,64px)}
.icon-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.icon-card{background:var(--white);padding:clamp(28px,3vw,44px) 28px 30px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;transition:background .3s}
.icon-card svg{width:clamp(110px,11vw,150px);height:auto;color:var(--ink);transition:transform .5s cubic-bezier(.3,1.4,.5,1)}
.icon-card:hover svg{transform:rotate(-3deg) scale(1.05)}
.icon-card h3{margin-top:8px}
.icon-card p{font-size:15px;color:var(--ink-2);line-height:1.5}
.icon-card .more{margin-top:auto;padding-top:10px;font-size:15px;border-bottom:1px solid var(--ink)}
.icon-card:hover{background:#fdfcfa}

/* ---------- leistung ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,96px);align-items:start}
.svc{border-top:1px solid var(--line)}
.svc li{list-style:none;border-bottom:1px solid var(--line);padding:22px 0;display:grid;grid-template-columns:52px 1fr;gap:8px}
.svc li b{font-weight:400;font-size:20px;display:block}
.svc li span.n{color:var(--ink-3);font-size:15px;padding-top:4px}
.svc li p{color:var(--ink-2);font-size:16px}

/* ---------- projects ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(14px,2vw,28px)}
.proj{grid-column:span 4;display:block}
.proj.big{grid-column:span 8;grid-row:span 2}
.proj .ph{aspect-ratio:4/3;overflow:hidden;background:var(--paper)}
.proj.big .ph{aspect-ratio:auto;height:100%;min-height:100%}
.proj.big{display:flex;flex-direction:column}
.proj.big .ph{flex:1}
.proj .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.proj:hover .ph img{transform:scale(1.04)}
.proj .meta{padding-top:12px;display:flex;justify-content:space-between;gap:12px;font-size:15px;color:var(--ink-3)}
.proj .meta b{font-weight:400;color:var(--ink);font-size:18px}
.ph.todo{display:grid;place-items:center;border:1px dashed #cfccc6;background:transparent;color:var(--ink-3);font-size:14px;letter-spacing:.06em}

/* ---------- philosophy ---------- */
.philo{background:var(--night);color:#f2f1ee;padding:0}
.philo .split{grid-template-columns:1.05fr 1fr;gap:0;align-items:stretch}
.philo .portrait{min-height:560px;overflow:hidden}
.philo .portrait img{width:100%;height:100%;object-fit:cover;object-position:42% 30%}
.philo .txt{padding:clamp(56px,7vw,110px) var(--gut) clamp(56px,7vw,110px) clamp(32px,6vw,90px);align-self:center;max-width:640px}
.philo .kicker{color:#8f8d89}
.philo blockquote{font-size:clamp(26px,2.8vw,38px);line-height:1.25;margin:10px 0 26px}
.philo p{color:#bdbbb6;margin-bottom:16px}
.philo .sig{color:#f2f1ee;margin-top:26px}
.philo .sig small{display:block;color:#8f8d89;font-size:14px}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:27px;height:1px;background:var(--ink)}
.step{padding-right:22px;position:relative}
.step .dot{width:55px;height:55px;border-radius:50%;background:#fff;border:1px solid var(--ink);display:grid;place-items:center;font-size:17px;position:relative;z-index:1;transition:background .3s,color .3s}
.step:hover .dot{background:var(--ink);color:#fff}
.step h3{margin:22px 0 8px;font-size:21px;hyphens:auto}
.step p{font-size:15.5px;color:var(--ink-2);line-height:1.55}
.showroom{margin-top:clamp(48px,6vw,80px);display:grid;grid-template-columns:1fr 1fr;background:var(--paper)}
.showroom img{width:100%;height:100%;object-fit:cover;min-height:280px}
.showroom div{padding:clamp(28px,4vw,56px)}
.showroom p{font-size:clamp(19px,1.6vw,22px);line-height:1.5;margin-top:6px}

/* ---------- product pages ---------- */
.prod-intro{display:grid;grid-template-columns:200px 1fr;gap:clamp(24px,5vw,80px);align-items:start}
.prod-intro svg{width:100%;max-width:200px;height:auto}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,44px);margin-top:clamp(48px,6vw,80px);border-top:1px solid var(--line);padding-top:36px}
.feat h3{margin-bottom:8px}
.feat p{color:var(--ink-2);font-size:16px}
.siblings{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.siblings a{background:#fff;padding:26px;display:flex;align-items:center;gap:18px;font-size:20px}
.siblings svg{width:64px;height:auto;flex:none}
.siblings a:hover{background:var(--paper)}

/* ---------- cta band ---------- */
.cta{background:var(--ink);color:#fff;padding:clamp(56px,7vw,96px) 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.cta h2{font-size:clamp(30px,3.6vw,48px);max-width:16em}
.cta p{color:#b8b6b1;margin-top:10px}

/* ---------- contact ---------- */
.contact .split{grid-template-columns:1fr 1.2fr}
.addr{font-size:19px;line-height:1.7}
.addr a{border-bottom:1px solid var(--line)}
.addr a:hover{border-bottom-color:var(--ink)}
form{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
form .full{grid-column:1/-1}
label{display:grid;gap:6px;font-size:14px;color:var(--ink-3);font-weight:400}
input,select,textarea{font:300 17px Jost,sans-serif;color:var(--ink);border:0;border-bottom:1px solid #bdbab4;padding:10px 0;background:transparent;border-radius:0;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-bottom-color:var(--ink)}
textarea{min-height:130px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips label{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);padding:8px 16px;color:var(--ink);font-size:15px;cursor:pointer;font-weight:300}
.chips input{width:auto;accent-color:#151515}
.chips label:has(input:checked){border-color:var(--ink);background:var(--paper)}
.note{font-size:14px;color:var(--ink-3)}

/* ---------- footer ---------- */
footer{padding:56px 0 40px;font-size:15px;color:var(--ink-2)}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
footer h4{font-weight:400;color:var(--ink);font-size:15px;margin-bottom:10px}
footer a:hover{color:var(--ink)}
footer ul{list-style:none;display:grid;gap:4px}
.legal{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;grid-column:1/-1;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.prose h2{font-size:28px;margin:40px 0 12px}
.prose p{margin-bottom:12px;color:var(--ink-2)}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.slides{transition:none}}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .hdr .cta-top{display:none}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:44px}
  .steps::before{display:none}
}
@media (max-width:900px){
  :root{--head:68px}
  .hdr{backdrop-filter:none;background:#fff}
  .burger{display:block;margin-left:auto}
  .nav{position:fixed;inset:var(--head) 0 0 0;background:#fff;flex-direction:column;justify-content:flex-start;padding:24px var(--gut);gap:4px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:.3s;overflow:auto}
  .menu-open .nav{opacity:1;visibility:visible;transform:none}
  .menu-open{overflow:hidden}
  .nav{align-items:flex-start}
  .dd{flex-direction:column}
  .nav>a,.nav .dd>a{font-size:28px;padding:8px 0}
  .dd-menu{position:static;opacity:1;visibility:visible;transform:none;border:0;padding:0 0 10px 16px;min-width:0}
  .dd-menu a{font-size:19px}
  .fab{display:inline-flex;position:fixed;right:16px;bottom:16px;z-index:60;background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.18)}
  .icon-grid{grid-template-columns:repeat(2,1fr)}
  .split,.contact .split,.philo .split,.showroom{grid-template-columns:1fr}
  .philo .portrait{min-height:0;aspect-ratio:4/3}
  .proj,.proj.big{grid-column:1/-1}
  .proj.big .ph{aspect-ratio:4/3}
  .stage{aspect-ratio:4/3}
  .prod-intro{grid-template-columns:1fr}
  .prod-intro svg{max-width:130px}
  .feat,.siblings{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .step{display:grid;grid-template-columns:55px 1fr;column-gap:18px}
  .step h3{margin:12px 0 4px}
  .step p{grid-column:2}
  .icon-card{padding:24px 12px}
  .icon-card p{display:none}
  form{grid-template-columns:1fr}
  .stage{aspect-ratio:auto}
  .slide img{aspect-ratio:4/3;height:auto}
  .slide figcaption{position:static;max-width:none;padding:14px 112px 4px 0}
  .slide figcaption span{display:block;line-height:1.4}
  .arrows{top:calc((100vw - 2*var(--gut))*.75);bottom:auto}
  .arrows button{width:48px;height:48px}
  footer .wrap{grid-template-columns:1fr}
  .logo{font-size:21px}
}

/* ---------- photos: slider caption link, project cards, galleries, lightbox ---------- */
.slide figcaption a{font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.slide figcaption a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.proj .what{font-size:14px;color:var(--ink-3);margin-top:2px}
.proj-grid.all .proj{grid-column:span 4}
.proj-grid.all .proj .ph{aspect-ratio:4/3}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.tag{border:1px solid var(--line);padding:5px 14px;font-size:14px}
.tag:hover{border-color:var(--ink)}
.gallery{columns:3 280px;column-gap:clamp(10px,1.4vw,20px)}
.g-item{display:block;margin-bottom:clamp(10px,1.4vw,20px);break-inside:avoid;overflow:hidden;background:var(--paper);cursor:zoom-in}
.g-item img{width:100%;height:auto;transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.g-item:hover img{transform:scale(1.03)}
.lb{position:fixed;inset:0;z-index:100;background:#0b0b0b;display:grid;place-items:center;padding:56px 16px}
.lb[hidden]{display:none}
.lb img{max-width:100%;max-height:calc(100vh - 112px);object-fit:contain}
.lb button{position:absolute;background:none;border:0;color:#fff;font:300 30px Jost,sans-serif;cursor:pointer;width:56px;height:56px}
.lb-x{top:8px;right:8px}.lb-p{left:8px;top:50%;transform:translateY(-50%)}.lb-n{right:8px;top:50%;transform:translateY(-50%)}

/* sub-page heroes: photos are often dark, so the title sits white on a bottom shade */
.page-hero::before{background:linear-gradient(0deg,rgba(0,0,0,.55),rgba(0,0,0,0) 55%)}
.page-hero h1{top:auto;bottom:clamp(24px,5vh,56px);color:#fff;font-size:clamp(28px,4.4vw,68px);letter-spacing:.08em}
.page-hero .credit{display:none}
/* all-projects grid: two large, then four across */
.proj-grid.all .proj{grid-column:span 3}
.proj-grid.all .proj:nth-child(-n+2){grid-column:span 6}
.proj-grid.all .proj:nth-child(-n+2) .ph{aspect-ratio:3/2}
@media (max-width:900px){.proj-grid.all .proj,.proj-grid.all .proj:nth-child(-n+2){grid-column:span 6}}
@media (max-width:560px){.proj-grid.all .proj,.proj-grid.all .proj:nth-child(-n+2){grid-column:1/-1}.gallery{columns:2 140px}}

/* start page: keep the title left of the pendant, on a soft light wash */
.hero:not(.page-hero) h1{font-size:clamp(30px,3.4vw,54px);right:auto}
.hero:not(.page-hero)::before{background:radial-gradient(ellipse 55% 50% at 0% 0%,rgba(255,255,255,.72),rgba(255,255,255,0) 100%)}
@media (max-width:560px){.hero:not(.page-hero) h1{font-size:30px}}