/* ============================================================================
   Brillen Berghaus — Design System
   Fast, dependency-free, system-font stack (optimised for Lighthouse 100).
   ========================================================================== */

:root{
  /* Brand palette (derived from the Brillen Berghaus logo mark) */
  --brand:        #b3422c;   /* terracotta */
  --brand-dark:   #8f3120;
  --brand-tint:   #f3e3dc;
  --gold:         #c9a06a;

  --ink:          #211d19;   /* warm near-black text */
  --ink-soft:     #4c453d;
  --muted:        #7c736a;
  --line:         #e7ded4;

  --paper:        #ffffff;
  --cream:        #faf6f0;   /* page background */
  --cream-2:      #f3ebe1;
  --night:        #1c1a17;   /* dark sections */
  --night-2:      #262019;

  --radius:       18px;
  --radius-sm:    12px;
  --radius-lg:    28px;

  --shadow-sm:    0 2px 10px rgba(33,29,25,.06);
  --shadow:       0 12px 34px rgba(33,29,25,.10);
  --shadow-lg:    0 30px 70px rgba(33,29,25,.16);

  --container:    1220px;
  --gap:          clamp(16px, 2.2vw, 30px);

  --nav-h:        76px;

  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;

  --step--1: clamp(.82rem, .8rem + .1vw, .9rem);
  --step-0:  clamp(1rem, .96rem + .2vw, 1.12rem);
  --step-1:  clamp(1.2rem, 1.1rem + .5vw, 1.5rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3:  clamp(2rem, 1.6rem + 2vw, 3.1rem);
  --step-4:  clamp(2.6rem, 1.9rem + 3.4vw, 4.6rem);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  font-family:var(--font);
  font-size:var(--step-0);
  line-height:1.65;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img,svg,video{ max-width:100%; height:auto; display:block; }
a{ color:var(--brand); text-decoration:none; }
a:hover{ color:var(--brand-dark); }
h1,h2,h3,h4{ line-height:1.12; font-weight:750; letter-spacing:-.015em; margin:0 0 .5em; color:var(--ink); }
h1{ font-size:var(--step-4); }
h2{ font-size:var(--step-3); }
h3{ font-size:var(--step-2); }
h4{ font-size:var(--step-1); }
p{ margin:0 0 1em; }
strong{ font-weight:700; }

:focus-visible{ outline:3px solid var(--brand); outline-offset:3px; border-radius:4px; }
.skip-link{ position:absolute; left:-999px; top:0; z-index:200; background:var(--brand); color:#fff; padding:10px 16px; border-radius:0 0 8px 0; }
.skip-link:focus{ left:0; color:#fff; }

/* ---- Layout / 12-col grid ------------------------------------------------ */
.container{ width:min(100% - 2*clamp(16px,5vw,40px), var(--container)); margin-inline:auto; }
.grid{ display:grid; grid-template-columns:repeat(12,1fr); gap:var(--gap); }
.section{ padding:clamp(56px, 8vw, 120px) 0; }
.section--tight{ padding:clamp(40px,5vw,72px) 0; }

/* span helpers (desktop) */
.col-12{grid-column:span 12}.col-8{grid-column:span 8}.col-7{grid-column:span 7}
.col-6{grid-column:span 6}.col-5{grid-column:span 5}.col-4{grid-column:span 4}
.col-3{grid-column:span 3}
@media (max-width:900px){
  .col-8,.col-7,.col-6,.col-5{grid-column:span 12}
  .col-4{grid-column:span 6}
  .col-3{grid-column:span 6}
}
@media (max-width:560px){
  .col-4,.col-3{grid-column:span 12}
}

.eyebrow{
  display:inline-flex; align-items:center; gap:.55em;
  font-size:var(--step--1); font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--brand); margin-bottom:1rem;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--brand); display:inline-block; }
.lead{ font-size:var(--step-1); color:var(--ink-soft); line-height:1.55; font-weight:450; }
.text-muted{ color:var(--muted); }
.center{ text-align:center; }
.measure{ max-width:60ch; }
.mx-auto{ margin-inline:auto; }

/* ---- Buttons ------------------------------------------------------------- */
.btn{
  --bg:var(--brand); --fg:#fff;
  display:inline-flex; align-items:center; gap:.6em; justify-content:center;
  padding:.92em 1.6em; border-radius:999px; font-weight:650; font-size:var(--step-0);
  background:var(--bg); color:var(--fg); border:2px solid var(--bg); cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  box-shadow:0 8px 22px rgba(179,66,44,.24);
}
.btn:hover{ color:#fff; transform:translateY(-2px); box-shadow:0 14px 30px rgba(179,66,44,.32); background:var(--brand-dark); border-color:var(--brand-dark); }
.btn--ghost{ background:transparent; color:var(--ink); border-color:var(--line); box-shadow:none; }
.btn--ghost:hover{ background:var(--ink); color:#fff; border-color:var(--ink); box-shadow:none; }
.btn--light{ background:#fff; color:var(--ink); border-color:#fff; box-shadow:var(--shadow-sm); }
.btn--light:hover{ background:var(--cream-2); color:var(--ink); border-color:var(--cream-2); }
.btn--lg{ padding:1.05em 2em; font-size:var(--step-1); }
.btn-row{ display:flex; flex-wrap:wrap; gap:14px; align-items:center; }

/* ---- Header / nav (sticky, auto hide/show) ------------------------------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100; height:var(--nav-h);
  display:flex; align-items:center;
  background:rgba(250,246,240,.82); backdrop-filter:saturate(1.4) blur(14px); -webkit-backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid transparent;
  transition:transform .38s cubic-bezier(.4,0,.2,1), background .3s ease, border-color .3s ease, box-shadow .3s ease;
  will-change:transform;
}
.site-header.is-scrolled{ background:rgba(250,246,240,.95); border-bottom-color:var(--line); box-shadow:var(--shadow-sm); }
.site-header.is-hidden{ transform:translateY(-100%); }
.nav{ display:flex; align-items:center; justify-content:space-between; gap:24px; width:100%; }
.brand{ display:flex; align-items:center; gap:12px; flex-shrink:0; }
.brand img{ height:42px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:4px; list-style:none; margin:0; padding:0; }
.nav-links a{
  display:block; padding:.55em .82em; border-radius:10px; color:var(--ink); font-weight:550; font-size:.98rem;
  transition:background .15s ease, color .15s ease;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{ background:var(--brand-tint); color:var(--brand-dark); }
.nav-actions{ display:flex; align-items:center; gap:12px; }

/* language switcher */
.lang{ position:relative; }
.lang-toggle{
  display:inline-flex; align-items:center; gap:.4em; padding:.5em .7em; border-radius:10px;
  background:transparent; border:1px solid var(--line); color:var(--ink-soft); font-weight:600; cursor:pointer; font-size:.9rem;
}
.lang-toggle:hover{ border-color:var(--brand); color:var(--brand); }
.lang-menu{
  position:absolute; right:0; top:calc(100% + 8px); min-width:168px; background:#fff; border:1px solid var(--line);
  border-radius:14px; box-shadow:var(--shadow); padding:6px; display:none; z-index:120;
}
.lang.open .lang-menu{ display:block; animation:pop .16s ease; }
.lang-menu a{ display:flex; align-items:center; gap:10px; padding:.55em .7em; border-radius:9px; color:var(--ink); font-weight:550; }
.lang-menu a:hover{ background:var(--cream); }
.lang-menu a[aria-current="true"]{ color:var(--brand); font-weight:700; }
.flag{ font-size:1.05em; line-height:1; }

/* mobile nav */
.nav-toggle{ display:none; width:44px; height:44px; border:1px solid var(--line); border-radius:12px; background:#fff; cursor:pointer; align-items:center; justify-content:center; }
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:""; display:block; width:20px; height:2px; background:var(--ink); border-radius:2px; position:relative; transition:.25s;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }
body.nav-open .nav-toggle span{ background:transparent; }
body.nav-open .nav-toggle span::before{ top:0; transform:rotate(45deg); }
body.nav-open .nav-toggle span::after{ top:0; transform:rotate(-45deg); }

@media (max-width:1040px){
  .nav-toggle{ display:inline-flex; }
  .nav-links{
    position:fixed; inset:var(--nav-h) 0 auto 0; flex-direction:column; align-items:stretch; gap:2px;
    background:var(--cream); padding:16px clamp(16px,5vw,40px) 26px; border-bottom:1px solid var(--line);
    box-shadow:var(--shadow); transform:translateY(-14px); opacity:0; pointer-events:none; transition:.24s ease;
    max-height:calc(100vh - var(--nav-h)); overflow:auto;
  }
  body.nav-open .nav-links{ transform:none; opacity:1; pointer-events:auto; }
  .nav-links a{ padding:.85em .6em; font-size:1.05rem; border-bottom:1px solid var(--line); border-radius:0; }
}

/* spacer so fixed header doesn't cover content */
main{ display:block; }
.page-top{ height:var(--nav-h); }

/* ---- Hero ---------------------------------------------------------------- */
.hero{ position:relative; padding:calc(var(--nav-h) + clamp(40px,7vw,90px)) 0 clamp(56px,8vw,110px); overflow:hidden; }
.hero::before{
  content:""; position:absolute; inset:0; z-index:-2;
  background:
    radial-gradient(1100px 620px at 78% -8%, var(--brand-tint), transparent 60%),
    radial-gradient(900px 560px at 8% 110%, #f6ead9, transparent 55%),
    var(--cream);
}
.hero .grid{ align-items:center; }
.hero h1 span.hl{ color:var(--brand); }
.hero-lead{ margin-top:.4em; }
.hero-stats{ display:flex; gap:clamp(18px,3vw,40px); margin-top:2.4rem; flex-wrap:wrap; }
.hero-stats .num{ font-size:var(--step-2); font-weight:800; color:var(--brand); letter-spacing:-.02em; }
.hero-stats .lbl{ font-size:var(--step--1); color:var(--muted); text-transform:uppercase; letter-spacing:.1em; }
.hero-badges{ display:flex; gap:10px; flex-wrap:wrap; margin-top:1.6rem; }
.badge{ display:inline-flex; align-items:center; gap:.5em; background:#fff; border:1px solid var(--line); border-radius:999px; padding:.5em .95em; font-size:.85rem; font-weight:600; color:var(--ink-soft); box-shadow:var(--shadow-sm); }
.badge svg{ width:16px; height:16px; color:var(--brand); }

/* hero visual card */
.hero-visual{ position:relative; }
.hero-card{
  position:relative; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-lg);
  aspect-ratio:4/5; background:linear-gradient(150deg,#2a211b,#4a352a);
}
.hero-card img{ width:100%; height:100%; object-fit:cover; }
.hero-float{
  position:absolute; left:-22px; bottom:34px; background:#fff; border-radius:16px; padding:14px 18px;
  box-shadow:var(--shadow); display:flex; align-items:center; gap:12px; max-width:250px;
}
.hero-float .dot{ width:42px; height:42px; border-radius:12px; background:var(--brand-tint); display:grid; place-items:center; color:var(--brand); flex-shrink:0; }
.hero-float b{ display:block; font-size:.95rem; }
.hero-float small{ color:var(--muted); }
@media (max-width:900px){ .hero-card{ aspect-ratio:16/12; } .hero-float{ left:12px; } }

/* placeholder art when no photo yet */
.ph{
  width:100%; height:100%; display:grid; place-items:center; color:#e9d8c4;
  background:
    linear-gradient(135deg, rgba(255,255,255,.06), transparent),
    repeating-linear-gradient(45deg, rgba(255,255,255,.04) 0 14px, transparent 14px 28px),
    linear-gradient(150deg,#33261f,#5a3f30);
}
.ph svg{ width:34%; opacity:.55; }

/* ---- Cards / features ---------------------------------------------------- */
.card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:clamp(22px,2.6vw,34px); box-shadow:var(--shadow-sm); height:100%; transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.card:hover{ transform:translateY(-5px); box-shadow:var(--shadow); border-color:var(--brand-tint); }
.card .ico{ width:56px; height:56px; border-radius:15px; background:var(--brand-tint); color:var(--brand); display:grid; place-items:center; margin-bottom:18px; }
.card .ico svg{ width:28px; height:28px; }
.card h3{ font-size:var(--step-1); }
.card p{ color:var(--ink-soft); margin-bottom:0; font-size:.98rem; }
.card a.more{ display:inline-flex; align-items:center; gap:.4em; margin-top:16px; font-weight:650; }
.card a.more::after{ content:"→"; transition:transform .2s; }
.card a.more:hover::after{ transform:translateX(4px); }

.split{ align-items:center; }
.media-frame{ border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow); aspect-ratio:5/4; background:linear-gradient(150deg,#2a211b,#4a352a); }
.media-frame img{ width:100%; height:100%; object-fit:cover; }

/* checklist */
.checks{ list-style:none; margin:1.4rem 0 0; padding:0; display:grid; gap:12px; }
.checks li{ display:flex; gap:12px; align-items:flex-start; }
.checks li svg{ width:22px; height:22px; color:var(--brand); flex-shrink:0; margin-top:2px; }

/* dark section */
.section--dark{ background:var(--night); color:#efe7dc; }
.section--dark h1,.section--dark h2,.section--dark h3{ color:#fff; }
.section--dark .lead{ color:#cbbfb1; }
.section--dark .card{ background:var(--night-2); border-color:#3a2f26; color:#d8ccbe; }
.section--dark .card h3{ color:#fff; }
.section--dark .card p{ color:#bcae9e; }
.section--dark .eyebrow{ color:var(--gold); }
.section--dark .eyebrow::before{ background:var(--gold); }

/* brands marquee */
.brands{ overflow:hidden; }
.brand-track{ display:flex; gap:56px; align-items:center; flex-wrap:wrap; justify-content:center; }
.brand-item{ font-weight:750; font-size:clamp(1.1rem,2.4vw,1.7rem); letter-spacing:.02em; color:var(--muted); opacity:.8; transition:color .2s, opacity .2s; }
.brand-item:hover{ color:var(--brand); opacity:1; }

/* stat band */
.statband{ display:grid; grid-template-columns:repeat(4,1fr); gap:var(--gap); text-align:center; }
.statband .num{ font-size:var(--step-3); font-weight:800; color:var(--brand); letter-spacing:-.02em; }
.statband .lbl{ color:var(--muted); font-size:.95rem; }
@media (max-width:700px){ .statband{ grid-template-columns:repeat(2,1fr); } }

/* FAQ */
.faq{ display:grid; gap:12px; }
details.qa{ background:#fff; border:1px solid var(--line); border-radius:14px; padding:4px 20px; box-shadow:var(--shadow-sm); }
details.qa summary{ cursor:pointer; list-style:none; padding:18px 0; font-weight:650; font-size:1.06rem; display:flex; justify-content:space-between; gap:16px; align-items:center; }
details.qa summary::-webkit-details-marker{ display:none; }
details.qa summary::after{ content:"+"; font-size:1.5rem; color:var(--brand); transition:transform .2s; line-height:1; }
details.qa[open] summary::after{ transform:rotate(45deg); }
details.qa .qa-body{ padding:0 0 18px; color:var(--ink-soft); }
details.qa .qa-body p:last-child{ margin-bottom:0; }

/* CTA band */
.cta{ background:linear-gradient(135deg,var(--brand),var(--brand-dark)); color:#fff; border-radius:var(--radius-lg); padding:clamp(34px,5vw,64px); box-shadow:var(--shadow-lg); position:relative; overflow:hidden; }
.cta::after{ content:""; position:absolute; right:-60px; top:-60px; width:260px; height:260px; border-radius:50%; background:rgba(255,255,255,.09); }
.cta h2{ color:#fff; }
.cta .lead{ color:rgba(255,255,255,.9); }
.cta .btn--light{ color:var(--brand-dark); }

/* opening hours / info panel */
.info-panel{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:clamp(22px,3vw,34px); box-shadow:var(--shadow-sm); }
.hours{ list-style:none; margin:0; padding:0; }
.hours li{ display:flex; justify-content:space-between; gap:16px; padding:11px 0; border-bottom:1px dashed var(--line); }
.hours li:last-child{ border-bottom:0; }
.hours .day{ font-weight:600; }
.hours .closed{ color:var(--brand); font-weight:600; }
.contact-line{ display:flex; align-items:center; gap:12px; margin:10px 0; }
.contact-line svg{ width:20px; height:20px; color:var(--brand); flex-shrink:0; }

/* ---- Forms --------------------------------------------------------------- */
.form-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:clamp(24px,3vw,40px); box-shadow:var(--shadow); }
.field{ margin-bottom:18px; }
.field label{ display:block; font-weight:600; margin-bottom:7px; font-size:.95rem; }
.field .req{ color:var(--brand); }
.input,.textarea{
  width:100%; padding:13px 15px; border:1.6px solid var(--line); border-radius:11px; background:var(--cream);
  font-family:inherit; font-size:1rem; color:var(--ink); transition:border-color .16s ease, box-shadow .16s ease, background .16s;
}
.input:focus,.textarea:focus{ outline:none; border-color:var(--brand); background:#fff; box-shadow:0 0 0 4px rgba(179,66,44,.12); }
.textarea{ min-height:140px; resize:vertical; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:560px){ .grid-2{ grid-template-columns:1fr; } }
.hp-field{ position:absolute!important; left:-9999px!important; top:auto; width:1px; height:1px; overflow:hidden; }
.field-error{ color:var(--brand-dark); font-size:.86rem; margin-top:6px; }
.captcha{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.captcha-q{ font-weight:700; font-size:1.15rem; background:var(--cream-2); border:1px dashed var(--brand); border-radius:11px; padding:11px 16px; letter-spacing:.03em; color:var(--ink); user-select:none; }
.captcha .input{ max-width:120px; }
.form-note{ font-size:.82rem; color:var(--muted); margin-top:6px; }

.alert{ padding:15px 18px; border-radius:12px; margin-bottom:22px; font-weight:550; }
.alert--ok{ background:#e8f5ec; border:1px solid #b9e0c6; color:#1c6b3e; }
.alert--err{ background:#fbe9e7; border:1px solid #f3c6bf; color:#9a2b18; }

/* breadcrumb */
.crumbs{ font-size:.85rem; color:var(--muted); padding:14px 0 0; }
.crumbs a{ color:var(--muted); }
.crumbs a:hover{ color:var(--brand); }
.crumbs .sep{ margin:0 .4em; opacity:.6; }

/* page hero (inner pages) */
.page-hero{ padding:calc(var(--nav-h) + clamp(30px,5vw,60px)) 0 clamp(30px,4vw,54px); position:relative; }
.page-hero::before{ content:""; position:absolute; inset:0; z-index:-1; background:radial-gradient(900px 480px at 85% -20%, var(--brand-tint), transparent 60%), var(--cream); }
.page-hero h1{ max-width:20ch; }

/* prose */
.prose h2{ margin-top:1.6em; font-size:var(--step-2); }
.prose h3{ margin-top:1.3em; font-size:var(--step-1); }
.prose ul{ padding-left:1.1em; }
.prose li{ margin-bottom:.4em; }
.prose p,.prose li{ color:var(--ink-soft); }

/* ---- Footer -------------------------------------------------------------- */
.site-footer{ background:var(--night); color:#c7bcae; padding:clamp(48px,6vw,84px) 0 30px; }
.site-footer h4{ color:#fff; font-size:1.05rem; margin-bottom:1em; }
.footer-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:clamp(24px,4vw,50px); }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-links{ list-style:none; margin:0; padding:0; display:grid; gap:9px; }
.footer-links a{ color:#c7bcae; font-size:.95rem; }
.footer-links a:hover{ color:#fff; }
.site-footer .logo-light{ height:40px; margin-bottom:18px; }
.footer-contact svg{ color:var(--gold); }
.footer-bottom{ margin-top:44px; padding-top:22px; border-top:1px solid #362b22; display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; font-size:.85rem; color:#8f867a; }
.footer-bottom a{ color:#8f867a; }
.footer-bottom a:hover{ color:#fff; }

/* ---- Scroll reveal animations ------------------------------------------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); transition-delay:var(--d,0ms); will-change:opacity,transform; }
.reveal.in{ opacity:1; transform:none; }
.reveal--left{ transform:translateX(-32px); }
.reveal--right{ transform:translateX(32px); }
.reveal--zoom{ transform:scale(.94); }
.reveal--left.in,.reveal--right.in,.reveal--zoom.in{ transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1!important; transform:none!important; transition:none!important; }
  .site-header{ transition:none; }
}

/* floaty */
@keyframes pop{ from{opacity:0; transform:translateY(-6px);} to{opacity:1; transform:none;} }
@keyframes float{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-12px);} }
.floaty{ animation:float 6s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce){ .floaty{ animation:none; } }

.divider{ height:1px; background:var(--line); border:0; margin:0; }
.pill-list{ display:flex; flex-wrap:wrap; gap:10px; list-style:none; padding:0; margin:1.2rem 0 0; }
.pill-list li{ background:#fff; border:1px solid var(--line); border-radius:999px; padding:.5em 1em; font-size:.9rem; font-weight:550; color:var(--ink-soft); }