/* Kammermusikfest Wendland 2027. One idea: gaps are light, and light opens onto places.
   serif-display, motive: a heavy old-style serif (Young Serif) reads as painted barn and farm lettering, not as concert-hall Didone; the festival is held in barns and village churches, so the type comes from the place, not from the genre. */

@font-face{font-family:"Young Serif";src:url(fonts/YoungSerif-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(fonts/InstrumentSans-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(fonts/InstrumentSans-Bold.woff2) format("woff2");font-weight:700;font-display:swap}

:root{
  /* Tokens, each with its derivation from the brief's world. */
  --nacht: oklch(0.17 0.015 60);      /* Bretternacht: the barn interior at evening, warm and brown, never pure black */
  --nacht-2: oklch(0.13 0.012 60);    /* floor of the barn, one step deeper */
  --holz: oklch(0.86 0.014 95);       /* Holzgrau: weathered oak boards, body ink on dark */
  --holz-mute: oklch(0.72 0.016 95);  /* muted text on dark, above 4.5:1 */
  --schrift: oklch(0.95 0.012 100);   /* display ink on boards: bleached oak */
  --licht: oklch(0.90 0.145 95);      /* Junilicht: straw-coloured evening light; the only signal, light and pass */
  --licht-warm: oklch(0.80 0.16 75);  /* the same light lower in the gap, where it warms */
  --licht-ink: oklch(0.25 0.04 70);   /* text on the light surface: barn brown, derived from --nacht */
  --fehler: oklch(0.80 0.14 40);      /* error text on the dark form board */
  --serif: "Young Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.16,1,.3,1);
  --ease-door: cubic-bezier(.65,0,.35,1);
  --beam: 64px;
  --pad: clamp(16px, 4.4vw, 72px);
  --focus: var(--licht);
}

*,*::before,*::after{box-sizing:border-box}
html{scrollbar-gutter:stable;scroll-behavior:smooth;scroll-padding-top:calc(var(--beam) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--nacht);color:var(--holz);font-variant-numeric:lining-nums;font:400 1.125rem/1.55 var(--sans);text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
h1,h2,h3,p,ul,figure{margin:0}
h2,h3{text-wrap:balance}
p,li,figcaption{text-wrap:pretty}
ul{padding:0;list-style:none}
a{color:inherit}
::selection{background:var(--licht);color:var(--nacht)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.light :focus-visible{--focus:var(--nacht)}

.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--licht);color:var(--nacht);padding:12px 16px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.wrap{padding-inline:var(--pad)}
/* placeholder stamp: one style for every missing fact */
.ph{font:inherit;font-style:normal;white-space:nowrap}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.cap{font-size:.84rem;line-height:1.3;color:var(--holz);padding-top:8px}

/* ---------- Buttons: a lit board ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;font:700 1rem/1 var(--sans);text-decoration:none;border-radius:3px;border:2px solid transparent;cursor:pointer;transition:transform 150ms ease-out,box-shadow 450ms ease-out,background 450ms ease-out}
.btn--light{background:var(--licht);color:var(--nacht)}
.btn--light:hover{box-shadow:0 0 0 6px oklch(0.90 0.145 95 / .28),0 0 44px 6px oklch(0.90 0.145 95 / .45)}
.btn--dark{background:var(--nacht);color:var(--licht)}
.btn--dark:hover{box-shadow:0 0 0 5px oklch(0.17 0.015 60 / .22)}
.btn:active{transform:scale(.97)}
.btn--big{min-height:60px;padding:0 34px;font-size:1.2rem}
.btn__short{display:none}

/* ---------- Beam (header) ---------- */
.beam{position:sticky;top:0;z-index:50;height:var(--beam);display:flex;align-items:center;gap:28px;padding-inline:var(--pad);background:var(--nacht);border-bottom:1px solid oklch(0.86 0.014 95 / .12)}
.beam__brand{font:400 1.2rem/1.05 var(--serif);text-decoration:none;color:var(--holz);margin-right:auto;display:flex;gap:.35em;flex-wrap:wrap}
.beam__nav{display:flex;gap:28px}
.beam__nav a{text-decoration:none;font-weight:700;font-size:.98rem;position:relative;padding:6px 0}
.beam__nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform 450ms var(--ease)}
@media (hover:hover){.beam__nav a:hover::after{transform:scaleX(1);transition-duration:125ms}}

/* ---------- The wall of boards (hero, planks, windows) ---------- */
@property --o{syntax:"<number>";inherits:true;initial-value:1}
@property --lit{syntax:"<number>";inherits:true;initial-value:0}
.wall{--k:1;display:flex;position:relative;background:linear-gradient(180deg,oklch(0.95 0.11 96),oklch(0.83 0.16 78) 58%,oklch(0.62 0.14 60))}
.wall .b{--gap:calc(var(--gb,8px) * var(--k,1) * var(--u,1) * var(--o,1));flex:var(--f,1) 1 0;min-width:0;margin-right:var(--gap);position:relative;display:block;transition:margin-right 500ms var(--ease)}
.wall .b:last-child{margin-right:0}
.wall:not(.wall--top) .b{
  background-image:
    linear-gradient(90deg,oklch(0.10 0.01 60 / .55),oklch(0.10 0.01 60 / .08) 26%,oklch(0.10 0.01 60 / .05) 72%,oklch(0.10 0.01 60 / .6)),
    linear-gradient(180deg,oklch(0.10 0.01 60 / .22),oklch(0.10 0.01 60 / .6)),
    url(img/boards.webp);
  background-size:100% 100%,100% 100%,auto 135%;
  background-position:0 0,0 0,var(--bx,50%) var(--by,50%);
  background-color:oklch(0.26 0.02 65);
  clip-path:polygon(0 var(--t,0%),100% 0,100% 100%,0 100%)}
/* board widths and slit widths, the same for the board layer and the slit layer of one wall */
.hero .b:nth-child(1){--f:1.02;--gb:9px;--i:0}  .hero .b:nth-child(2){--f:.88;--gb:5px;--i:1}
.hero .b:nth-child(3){--f:1.16;--gb:13px;--i:2} .hero .b:nth-child(4){--f:.94;--gb:7px;--i:3}
.hero .b:nth-child(5){--f:1.08;--gb:10px;--i:4} .hero .b:nth-child(6){--f:.9;--gb:6px;--i:5}
.hero .b:nth-child(7){--f:1.12;--gb:12px;--i:6} .hero .b:nth-child(8){--f:.96;--gb:8px;--i:7}
.hero .b:nth-child(9){--f:1.04;--gb:11px;--i:8} .hero .b:nth-child(10){--f:.92;--gb:0px;--i:9}
.planks .b:nth-child(1){--f:1;--gb:7px;--i:0} .planks .b:nth-child(2){--f:1;--gb:5px;--i:1}
.planks .b:nth-child(3){--f:1;--gb:9px;--i:2}  .planks .b:nth-child(4){--f:1;--gb:6px;--i:3}
.planks .b:nth-child(5){--f:1;--gb:8px;--i:4} .planks .b:nth-child(6){--f:1;--gb:5px;--i:5}
.planks .b:nth-child(7){--f:1;--gb:10px;--i:6} .planks .b:nth-child(8){--f:1;--gb:6px;--i:7}
.planks .b:nth-child(9){--f:1;--gb:8px;--i:8} .planks .b:nth-child(10){--f:1;--gb:7px;--i:9}
.planks .b:nth-child(11){--f:1;--gb:0px;--i:10}
.wall--feat .b:nth-child(1){--f:.5;--gb:9px} .wall--feat .b:nth-child(2){--f:3.1;--gb:11px}
.wall--feat .b:nth-child(3){--f:.45;--gb:7px} .wall--feat .b:nth-child(4){--f:3.1;--gb:12px}
.wall--feat .b:nth-child(5){--f:.55;--gb:6px} .wall--feat .b:nth-child(6){--f:3.1;--gb:10px}
.wall--feat .b:nth-child(7){--f:.4;--gb:8px}  .wall--feat .b:nth-child(8){--f:3.1;--gb:12px}
.wall--feat .b:nth-child(9){--f:.5;--gb:7px}  .wall--feat .b:nth-child(10){--f:.45;--gb:0px}

/* the slit layer: bright bars with bloom, drawn over a wall */
.wall--top{background:none;pointer-events:none}
.wall--top .b::after{content:"";position:absolute;top:0;bottom:0;left:100%;width:var(--gap);opacity:calc(.25 + .75 * var(--o,1));background:linear-gradient(180deg,oklch(0.99 0.04 98),oklch(0.95 0.09 94) 50%,oklch(0.88 0.13 82) 88%,oklch(0.88 0.13 82 / .35));box-shadow:0 0 10px 2px oklch(0.95 0.12 95 / .6),0 0 70px 18px oklch(0.90 0.145 95 / .2);transition:width 500ms var(--ease)}
.wall--top .b:last-child::after,.wall--top .b:last-child::before{display:none}
/* light spilling onto the floor: one skewed shaft per slit */
.wall--top .b::before{content:"";position:absolute;left:100%;top:100%;width:calc(var(--gap) * 6 + 2.6vw);height:70vh;opacity:var(--o,1);background:linear-gradient(180deg,oklch(0.93 0.12 95 / .34),oklch(0.9 0.145 95 / .10) 60%,transparent 92%);transform:skewX(-27deg);transform-origin:0 0;filter:blur(14px);pointer-events:none}
.wall--top .b:last-child::before{display:none}

/* ---------- Hero ---------- */
.hero{--floor:27%;position:relative;height:max(640px,calc(100svh - var(--beam)));overflow:hidden;background:var(--nacht-2);isolation:isolate}
.hero .wall{position:absolute;left:0;right:0;top:0;height:calc(100% - var(--floor))}
/* a clean top edge under the nav: boards start square, no light wedges under the header */
.hero .wall:not(.wall--top) .b{clip-path:none}
.hero .wall--top{z-index:3}
.hero .b{animation:slit-open 1100ms var(--ease) backwards;animation-delay:calc(var(--i,0) * 110ms + 150ms)}
@keyframes slit-open{from{--o:0}}
.hero__name{position:absolute;z-index:5;left:var(--pad);right:var(--pad);bottom:calc(var(--floor) + .06em);font-size:min(13rem,calc((100vw - 2 * var(--pad)) / 9.45));line-height:.9;letter-spacing:-.022em;color:var(--schrift);font-family:var(--serif);font-weight:400}
.hero__name h1{font:inherit;letter-spacing:inherit;word-spacing:.04em}
/* the title sits in front of the wall: a dark halo hides the slits right at the glyph edge, so the light passes behind the letters and never cuts them */
.h1__a,.h1__b{display:block;hyphens:none;-webkit-hyphens:none;text-shadow:0 0 .035em oklch(0.10 0.01 60 / .85),0 0 .1em oklch(0.10 0.01 60 / .45),0 2px 30px oklch(0.10 0.01 60 / .4)}
.floor{position:absolute;z-index:1;left:0;right:0;bottom:0;height:var(--floor);background:linear-gradient(180deg,oklch(0.16 0.015 62),var(--nacht-2) 50%)}
.floor::after{content:"";position:absolute;left:0;right:0;top:0;height:22px;background:linear-gradient(180deg,oklch(0.08 0.01 60 / .85),transparent)}
.hero__foot{position:absolute;z-index:4;left:0;right:0;bottom:0;height:var(--floor);padding-inline:var(--pad);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:32px}
.hero__lead{font-size:clamp(1.15rem,1.55vw,1.55rem);line-height:1.35;color:var(--schrift);max-width:24ch}
.hero__when{margin-top:12px;font-size:1.125rem;color:var(--holz)}
.hero__act{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.hero__terms{font-size:1rem;line-height:1.45;color:var(--holz-mute);max-width:44ch}
.hero__facts{font-size:1.1rem;color:var(--holz)}
.hero__facts strong{color:var(--schrift)}

/* ---------- Programme: a full-height wall, ten slots, each unlit until its concert is confirmed ---------- */
.planks{position:relative;min-height:max(680px,92svh);overflow:hidden;background:var(--nacht);display:flex;flex-direction:column;justify-content:space-between}
.planks .wall{position:absolute;inset:0;--u:2.6}
.planks .wall--planks{background:var(--nacht-2)}
.wall--slots{margin:0;padding:0;list-style:none;z-index:1}
/* an unlit slot: a dark gap with a faint rim of the light that is not on yet */
.wall--slots .b::after{opacity:1;background:var(--nacht-2);box-shadow:inset 1px 0 0 oklch(0.90 0.145 95 / .42),inset -1px 0 0 oklch(0.90 0.145 95 / .42);transition:width 500ms var(--ease)}
/* the light itself, off at rest; the entry sweep and a confirmed concert switch it on */
.wall--slots .b::before{content:"";position:absolute;left:100%;top:0;bottom:0;width:var(--gap);height:auto;transform:none;filter:none;z-index:1;opacity:var(--lit,0);background:linear-gradient(180deg,oklch(0.99 0.04 98),oklch(0.95 0.09 94) 50%,oklch(0.88 0.13 82));box-shadow:0 0 10px 2px oklch(0.95 0.12 95 / .6),0 0 80px 22px oklch(0.90 0.145 95 / .28);transition:width 500ms var(--ease)}
/* one lamp per slot, a countable row of ten at one height */
.wall--slots .b s{position:absolute;z-index:2;left:calc(100% + var(--gap) / 2);top:52%;width:44px;height:44px;margin-left:-22px;border-radius:50%;border:2px solid oklch(0.90 0.145 95 / .9);background:var(--nacht-2);box-shadow:0 0 0 6px oklch(0.13 0.012 60 / .9)}
.wall--slots .b s::before{content:"";position:absolute;left:50%;bottom:100%;width:2px;height:clamp(40px,8vh,90px);margin-left:-1px;margin-bottom:8px;background:linear-gradient(180deg,transparent,oklch(0.90 0.145 95 / .7))}
/* the cap of the pendant: a small dark shade above the bulb */
.wall--slots .b s{border-top-width:6px}
.wall--slots .b s::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--licht);opacity:var(--lit,0);box-shadow:0 0 22px 8px oklch(0.90 0.145 95 / .65)}
.planks::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(180deg,oklch(0.14 0.012 60 / .94) 0,oklch(0.14 0.012 60 / .55) 30%,transparent 46%,transparent 64%,oklch(0.14 0.012 60 / .7) 78%,oklch(0.14 0.012 60 / .96) 100%)}
.planks__copy{position:relative;z-index:3;padding-top:clamp(64px,10vh,120px);display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:clamp(24px,4vw,72px);align-items:start}
.planks h2{font:400 clamp(2.5rem,5.6vw,6.4rem)/.98 var(--serif);letter-spacing:-.02em;color:var(--schrift)}
.planks__copy p{font-size:1.25rem;color:var(--schrift);max-width:32ch;padding-top:.5em}
.planks__count{position:relative;z-index:3;padding-bottom:clamp(40px,7vh,88px)}
/* the count is the display moment of the section: nothing is confirmed, and the page says so at poster size */
.count{margin:0;display:flex;flex-wrap:wrap;align-items:baseline;column-gap:.35em;color:var(--schrift);font:400 clamp(2rem,3.2vw,3.4rem)/1 var(--serif);letter-spacing:-.015em}
.count__n{font-size:clamp(4.6rem,13vw,15rem);line-height:.86;letter-spacing:-.03em;white-space:nowrap}
.count__ph{margin-top:14px;font-size:1.125rem;color:var(--holz)}
/* one light sweep through the ten slots on entry, slot by slot; the resting state stays unlit because nothing is confirmed */
.is-sweeping .wall--slots .b{animation:sweep 1400ms var(--ease-door) both;animation-delay:calc(var(--i,0) * 190ms + 200ms)}
@keyframes sweep{0%,100%{--lit:0}40%{--lit:1}}

/* ---------- Weekend: a wall with four openings ---------- */
.weekend{padding-top:clamp(56px,9vh,110px);background:var(--nacht);overflow:hidden}
.weekend__head{margin-bottom:clamp(32px,6vh,72px)}
.weekend h2{font:400 clamp(2rem,3.9vw,4.6rem)/1.02 var(--serif);letter-spacing:-.02em;color:var(--schrift);max-width:18ch}
.wall--feat{--u:1.4;background:linear-gradient(180deg,oklch(0.72 0.10 86),oklch(0.42 0.08 65))}
.wall .feat{display:flex;flex-direction:column;justify-content:flex-start;position:relative;z-index:2;clip-path:none;padding:clamp(24px,5vh,52px) clamp(12px,1.4vw,24px) clamp(36px,6vh,64px);color:var(--holz)}
.feat::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,oklch(0.12 0.012 60 / .82));pointer-events:none}
.feat>*{position:relative}
.feat h3{font:400 clamp(1.3rem,1.75vw,2rem)/1.15 var(--serif);letter-spacing:-.01em;color:var(--schrift);margin-bottom:10px}
.feat p{font-size:1.02rem;line-height:1.45;color:var(--holz)}
.win{flex:none;height:clamp(300px,50vh,500px);display:flex;flex-direction:column;margin:0 0 24px}
.win img{flex:1;min-height:0;width:100%;object-fit:cover;filter:saturate(.88);box-shadow:0 0 0 2px oklch(0.10 0.01 60)}
.win--arch img{border-radius:50% 50% 2px 2px / 20% 20% 2px 2px}
.win--hatch{height:clamp(220px,34vh,360px)}
.win--door{height:clamp(340px,58vh,580px)}
.win img{object-position:var(--fx,50%) 50%;outline:1px solid oklch(0.90 0.145 95 / .35);outline-offset:-1px;box-shadow:0 0 90px 14px oklch(0.90 0.145 95 / .28)}
/* the four openings are cut at different heights, like windows and vents in one barn wall, not a card row */
.wall--feat .feat:nth-of-type(2){padding-top:calc(clamp(24px,5vh,52px) + clamp(40px,9vh,110px))}
.wall--feat .feat:nth-of-type(3){padding-top:calc(clamp(24px,5vh,52px) + clamp(14px,3vh,36px))}
.wall--feat .feat:nth-of-type(4){padding-top:calc(clamp(24px,5vh,52px) + clamp(56px,12vh,140px))}
.weekend__note{margin-top:16px;font-size:1.125rem;color:var(--holz)}

/* ---------- Pass: the price, sliced by ten slits, on a surface of light ---------- */
.light{background:var(--licht);color:var(--licht-ink)}
.pass{position:relative;overflow:hidden;padding-block:clamp(80px,14vh,170px) clamp(64px,10vh,120px);margin-top:0}
.pass::before{content:"";position:absolute;inset:0;background:url(textures/grain.svg);opacity:.1;mix-blend-mode:multiply;pointer-events:none}
.pass .wrap{position:relative;padding-inline:calc(3.4vw + clamp(16px,3vw,48px))}
.pass__board{position:absolute;top:0;bottom:0;width:3.4vw;background:linear-gradient(90deg,oklch(0.10 0.01 60 / .5),oklch(0.10 0.01 60 / .1) 40%,oklch(0.10 0.01 60 / .55)),url(img/boards.webp) 30% 0 / auto 120%;background-color:oklch(0.26 0.02 65)}
.pass__board--l{left:0;box-shadow:2px 0 12px 1px oklch(0.97 0.08 96 / .5)}
.pass__board--r{right:0;background-position:0 0,70% 20%;box-shadow:-2px 0 12px 1px oklch(0.97 0.08 96 / .5)}
.pass__h{font:400 clamp(2.2rem,5.2vw,6rem)/1 var(--serif);letter-spacing:-.02em;max-width:16ch;margin-bottom:.4em}
.pass__big{font:400 clamp(8rem,29vw,40rem)/.9 var(--serif);letter-spacing:-.015em;color:var(--nacht);margin:.04em 0 .08em -.03em;white-space:nowrap;display:flex;align-items:baseline;gap:.08em}
/* the ten slits of the wall become the cut of the numerals; the euro sign is never cut, so the cut reads as intent */
/* one slit of light through the 2 and the 0, like a stencil bridge; never between numerals and never through the 1 or the euro sign, so the cut reads as intent and not as a decimal point */
.pass__num{display:flex;gap:.05em}
.pass__num>.pass__solid{-webkit-mask-image:none!important;mask-image:none!important}
.pass__num>span{--cx:50%;--cw:.035em;-webkit-mask-image:linear-gradient(90deg,#000 calc(var(--cx) - var(--cw)),transparent calc(var(--cx) - var(--cw)),transparent calc(var(--cx) + var(--cw)),#000 calc(var(--cx) + var(--cw)));mask-image:linear-gradient(90deg,#000 calc(var(--cx) - var(--cw)),transparent calc(var(--cx) - var(--cw)),transparent calc(var(--cx) + var(--cw)),#000 calc(var(--cx) + var(--cw)))}
.pass__eur{font-size:1em}
.pass__row{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,5fr) minmax(0,4fr);gap:clamp(20px,3vw,48px);align-items:baseline;padding-top:26px;border-top:2px solid var(--nacht)}
.pass__cmp{display:grid;gap:10px}
.pass__act{display:grid;gap:18px;justify-items:end;text-align:right}
.pass__lbl{font-size:1.1rem}
.pass__single{font:400 clamp(2rem,4.4vw,5rem)/1 var(--serif);letter-spacing:-.02em}
.pass__from{display:block;font:400 1.1rem/1.4 var(--sans);letter-spacing:0;margin-bottom:6px}
.pass__math{font-size:1.15rem;max-width:38ch}

/* ---------- Door: the barn door opens on the lit interior ---------- */
.door{position:relative;overflow:hidden;color:var(--holz);background:
  linear-gradient(90deg,oklch(0.93 0.11 95 / .85),transparent 9vw,transparent calc(100% - 9vw),oklch(0.93 0.11 95 / .85)),
  radial-gradient(ellipse 70% 85% at 50% 105%,oklch(0.86 0.15 92 / .32),transparent 72%),
  linear-gradient(180deg,var(--nacht-2),var(--nacht))}
.door__inner{position:relative;z-index:1;padding-block:clamp(80px,14vh,170px)}
.door h2{font:400 clamp(2.4rem,6vw,7rem)/.98 var(--serif);letter-spacing:-.02em;color:var(--schrift);max-width:14ch;margin-bottom:clamp(32px,6vh,72px)}
.door__cols{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(16px,2vw,32px);align-items:start}
.form{position:relative;z-index:2;grid-column:1 / 8;display:grid;gap:22px;max-width:660px;padding:clamp(22px,3vw,40px);border-radius:3px;box-shadow:0 30px 60px oklch(0.06 0.01 60 / .55),inset 0 0 0 1px oklch(0.86 0.014 95 / .16);
  background:linear-gradient(oklch(0.16 0.014 60 / .9),oklch(0.16 0.014 60 / .9)),url(img/boards.webp) 30% 20% / cover}
.form__intro{font-size:1.2rem;max-width:44ch;color:var(--schrift)}
.field{display:grid;gap:8px}
.field label{font-weight:700;font-size:1rem;color:var(--holz)}
.field input{width:100%;min-height:56px;padding:0 16px;border:2px solid var(--holz-mute);border-radius:3px;background:oklch(0.12 0.012 60);color:var(--schrift);font:400 1.15rem/1 var(--sans);transition:border-color 250ms ease-out,box-shadow 450ms ease-out}
.field input:focus-visible{outline:none;border-color:var(--licht);box-shadow:0 0 0 4px oklch(0.90 0.145 95 / .35),0 0 40px 6px oklch(0.90 0.145 95 / .3)}
/* the pass count is chosen by lighting slots, the same gaps as the wall: one lit slot per pass */
.pick{margin:0;padding:0;border:0;min-width:0}
.pick legend{padding:0;margin-bottom:10px;font-weight:700;font-size:1rem;color:var(--holz)}
.pick__row{display:flex;gap:8px}
.pick label{position:relative;display:block;cursor:pointer}
.pick input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.pick__slot{display:flex;align-items:flex-end;justify-content:center;width:44px;height:60px;padding-bottom:6px;border:2px solid var(--holz-mute);border-radius:2px;background:oklch(0.12 0.012 60);color:var(--holz);font-weight:700;font-size:1rem;transition:background 300ms ease-out,box-shadow 300ms ease-out,border-color 300ms ease-out,color 300ms ease-out}
.pick label:hover .pick__slot{border-color:var(--licht)}
.pick input:focus-visible+.pick__slot{outline:3px solid var(--licht);outline-offset:3px}
.pick__sum{margin-top:12px;font-size:1.05rem;color:var(--schrift)}
.pick__row:has(input[value="1"]:checked) label:nth-child(-n+1) .pick__slot{background:var(--licht);border-color:var(--licht);color:var(--nacht);box-shadow:0 0 16px 3px oklch(0.90 0.145 95 / .45)}
.pick__row:has(input[value="2"]:checked) label:nth-child(-n+2) .pick__slot{background:var(--licht);border-color:var(--licht);color:var(--nacht);box-shadow:0 0 16px 3px oklch(0.90 0.145 95 / .45)}
.pick__row:has(input[value="3"]:checked) label:nth-child(-n+3) .pick__slot{background:var(--licht);border-color:var(--licht);color:var(--nacht);box-shadow:0 0 16px 3px oklch(0.90 0.145 95 / .45)}
.pick__row:has(input[value="4"]:checked) label:nth-child(-n+4) .pick__slot{background:var(--licht);border-color:var(--licht);color:var(--nacht);box-shadow:0 0 16px 3px oklch(0.90 0.145 95 / .45)}
.pick__row:has(input[value="5"]:checked) label:nth-child(-n+5) .pick__slot{background:var(--licht);border-color:var(--licht);color:var(--nacht);box-shadow:0 0 16px 3px oklch(0.90 0.145 95 / .45)}
.pick__row:has(input[value="6"]:checked) label:nth-child(-n+6) .pick__slot{background:var(--licht);border-color:var(--licht);color:var(--nacht);box-shadow:0 0 16px 3px oklch(0.90 0.145 95 / .45)}
.pick__row:has(input[value="7"]:checked) label:nth-child(-n+7) .pick__slot{background:var(--licht);border-color:var(--licht);color:var(--nacht);box-shadow:0 0 16px 3px oklch(0.90 0.145 95 / .45)}
.pick__row:has(input[value="8"]:checked) label:nth-child(-n+8) .pick__slot{background:var(--licht);border-color:var(--licht);color:var(--nacht);box-shadow:0 0 16px 3px oklch(0.90 0.145 95 / .45)}
.field__err{color:var(--fehler);font-weight:700;font-size:.98rem}
.field input[aria-invalid="true"]{border-color:var(--fehler)}
.form .btn{justify-self:start}
.form__ph{font-size:.98rem;color:var(--holz-mute)}
.form__ok{display:grid;gap:8px;padding:18px 20px;background:var(--licht);color:var(--nacht);border-radius:3px}
.form__ok[hidden]{display:none}
.form__ok .ok__demo{font-weight:700;font-size:1.05rem}
.form__ok .ok__text{font:400 1.35rem/1.3 var(--serif)}
.field__hint{font-size:.98rem;color:var(--holz-mute)}
.form__price{font-size:1.15rem;color:var(--holz)}
.form__price strong{color:var(--schrift)}
/* the empty seat: one chair in one cone of light beside the form, it is the visitor's place */
.door__cols{align-items:stretch}
.seat{--n:1;grid-column:8 / 13;position:relative;margin:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;min-height:440px;padding-bottom:12px;color:oklch(0.09 0.01 60)}
.seat::before{content:"";position:absolute;left:50%;top:calc(-1 * clamp(260px,46vh,520px));bottom:calc(-1 * clamp(80px,14vh,170px));width:min(120%,500px);translate:-50% 0;clip-path:polygon(46% 0,54% 0,100% 100%,0 100%);background:linear-gradient(180deg,transparent 0,transparent 30%,oklch(0.95 0.11 95 / .4) 52%,oklch(0.90 0.145 95 / .2) 78%,transparent);filter:blur(8px);pointer-events:none}
.seat::after{content:"";position:absolute;left:50%;bottom:calc(clamp(2rem,3.4vw,3.6rem) + 4px);width:min(100%,400px);height:90px;translate:-50% 0;background:radial-gradient(ellipse 50% 40% at 50% 60%,oklch(0.92 0.14 95 / .8),oklch(0.90 0.145 95 / .2) 60%,transparent 80%);pointer-events:none}
.seat__row{position:relative;z-index:1;width:100%;display:flex;justify-content:center;align-items:flex-end;gap:10px;margin-bottom:-6px}
.seat__row svg{flex:0 1 auto;height:auto;width:min(calc(var(--chair,270px) / (.6 + .4 * var(--n,1))),calc((100% - (var(--n,1) - 1) * 10px) / var(--n,1)))}
.seat figcaption{position:relative;z-index:1;margin-top:10px;font:400 clamp(2rem,3.4vw,3.6rem)/1 var(--serif);letter-spacing:-.015em;color:var(--schrift);text-shadow:0 0 24px oklch(0.10 0.01 60 / .8)}
/* the leaves: resting state is open, so all content shows without scroll or script */
.door__leaf{position:absolute;top:0;bottom:0;width:50%;z-index:2;display:flex;background:var(--nacht);pointer-events:none}
.door__leaf i{flex:1;background:linear-gradient(90deg,oklch(0.10 0.01 60 / .55),oklch(0.10 0.01 60 / .05) 30%,oklch(0.10 0.01 60 / .5)),url(img/boards.webp);background-size:100% 100%,auto 130%;background-color:oklch(0.26 0.02 65);border-right:2px solid oklch(0.92 0.14 95 / .75)}
.door__leaf--l{left:0;transform:translateX(calc(-100% + 3.4vw))}
.door__leaf--r{right:0;transform:translateX(calc(100% - 3.4vw))}
.door__leaf--l i:nth-child(1){background-position:0 0,10% 0}.door__leaf--l i:nth-child(2){background-position:0 0,40% 30%}.door__leaf--l i:nth-child(3){background-position:0 0,70% 10%}.door__leaf--l i:nth-child(4){background-position:0 0,90% 50%}
.door__leaf--r i{border-right:0;border-left:2px solid oklch(0.92 0.14 95 / .75)}
.door__leaf--r i:nth-child(1){background-position:0 0,25% 40%}.door__leaf--r i:nth-child(2){background-position:0 0,55% 0}.door__leaf--r i:nth-child(3){background-position:0 0,15% 60%}.door__leaf--r i:nth-child(4){background-position:0 0,80% 20%}
.door.is-opening .door__leaf--l{animation:door-l 1800ms var(--ease-door) backwards}
.door.is-opening .door__leaf--r{animation:door-r 1800ms var(--ease-door) backwards}
.door.is-opening .seat::before{animation:cone 1800ms var(--ease) backwards;transform-origin:50% 0}
.door.is-opening .seat__row{animation:seat-in 2200ms var(--ease) backwards}
@keyframes cone{0%,35%{opacity:0;transform:scaleX(.08)}}
@keyframes seat-in{0%,60%{opacity:0;translate:0 12px}}
.door.is-opening .door__inner{animation:door-in 1800ms ease-out backwards}
@keyframes door-l{from{transform:none}}
@keyframes door-r{from{transform:none}}
@keyframes door-in{0%,45%{opacity:0}100%{opacity:1}}

/* ---------- Footer ---------- */
.foot{padding-block:clamp(48px,8vh,96px);background:var(--nacht);border-top:1px solid oklch(0.90 0.145 95 / .45)}
.foot__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px clamp(20px,3vw,48px);font-size:1rem;color:var(--holz)}
.foot__name{font:400 1.6rem/1.05 var(--serif);color:var(--schrift)}
.foot__credit{grid-column:1 / -1;color:var(--holz-mute);font-size:.92rem;padding-top:8px;border-top:1px solid oklch(0.86 0.014 95 / .22)}
.foot__demo{grid-column:1 / -1;color:var(--holz-mute);font-size:.85rem}

/* Young Serif's default figures are old-style, and its 2 reads as a comma next to a 0: lining figures everywhere it sets numbers */
h1,h2,h3,.hero__name,.pass__big,.pass__single,.beam__brand,.foot__name,.form__ok,.count{font-variant-numeric:lining-nums;font-feature-settings:"lnum" 1}

/* ---------- Narrow ---------- */
@media (max-width:1000px){
  .beam__nav{display:none}
  .planks__copy{grid-template-columns:1fr;gap:16px}
  .pass__row{grid-template-columns:1fr}
  .form{grid-column:1 / -1}
  .seat{grid-column:1 / -1;min-height:320px;margin-top:24px}
  .seat::before{top:-20px}
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  /* the wall stays a wall: 2 by 2 openings, plain boards drop out, the gaps between cells stay light */
  .wall--feat{display:grid;grid-template-columns:1fr 1fr;min-height:0;gap:calc(10px * var(--k) * var(--u,1));--u:1}
  .wall--feat .b{margin:0}
  .wall--feat .b:not(.feat){display:none}
  .wall .feat,.wall--feat .feat:nth-of-type(n){padding:18px 14px 26px}
  .win{height:240px;margin-bottom:16px}
  .feat h3{font-size:1.3rem}
}
@media (max-width:600px){
  /* one opening per row on phones, so text keeps a real measure */
  .wall--feat{grid-template-columns:1fr}
  .wall .feat,.wall--feat .feat:nth-of-type(n){padding:16px var(--pad) 28px}
  .win{height:min(78vw,320px)}
  .feat p{font-size:1.06rem}
  .win--arch{width:84%}
  .wall--feat .feat:nth-of-type(2) .win{height:min(64vw,260px)}
  .win--hatch{width:72%;margin-left:auto;height:min(52vw,210px)}
  .win--door{height:min(100vw,400px)}
}
@media (max-width:640px){
  :root{--beam:60px}
  body{font-size:1.06rem}
  .beam{gap:12px}
  .beam__brand{font-size:1rem;flex-direction:column;gap:0;flex-wrap:nowrap}
  .btn__long{display:none}.btn__short{display:inline}
  .hero{--floor:50%;height:max(740px,calc(100svh - var(--beam)))}
  /* poster stack that breaks only on word boundaries: Kammermusikfest / Wendland / 2027, each line sized to the column */
  .hero__name{font-size:calc((100vw - 2 * var(--pad) - 4px) / 5);bottom:calc(var(--floor) + 6px);line-height:.9}
  .h1__a{font-size:.545em;line-height:1.05}
  .hero__foot{grid-template-columns:1fr;align-content:end;gap:16px;padding-block:18px 22px}
  .hero__lead{max-width:none;font-size:1.08rem}
  .hero__when{margin-top:6px;font-size:1.06rem}
  .hero__act .btn{width:100%}
  .hero__terms{font-size:.98rem}
  .wall{--u:.5}
  .wall--top .b::before{height:44vh}
  .planks .wall{--u:1.3}
  .planks{min-height:max(720px,100svh)}
  .wall--slots .b s{width:22px;height:22px;margin-left:-11px;top:50%;border-top-width:4px;box-shadow:0 0 0 2px oklch(0.13 0.012 60 / .9)}
  .wall--slots .b s::after{inset:2px}
  .planks h2{font-size:clamp(2.2rem,10vw,3rem)}
  .count__n{font-size:calc((100vw - 2 * var(--pad)) / 3.85)}
  .pass__big{font-size:min(30vw,10rem)}
  .foot__grid{grid-template-columns:1fr}
  .seat{min-height:280px;--chair:150px}
  .form .btn{width:100%;padding-inline:16px;font-size:1.1rem}
  .pick__row{gap:5px}
  .pick__slot{width:min(34px,calc((100vw - 2 * var(--pad) - 44px - 35px) / 8));height:54px}
  .pass__board{width:3vw}
  .pass__act{justify-items:start;text-align:left}
  .door__leaf--l{transform:translateX(calc(-100% + 3vw))}.door__leaf--r{transform:translateX(calc(100% - 3vw))}
}
@media (prefers-reduced-motion:reduce){
  .wall .b,.hero .b,.door.is-opening .door__leaf,.door.is-opening .door__inner,.door.is-opening .seat::before,.door.is-opening .seat__row,.is-sweeping .wall--slots .b{animation:none}
  .pick__slot{transition:none}
  .wall .b{transition:none}
  html{scroll-behavior:auto}
}
@media (forced-colors:active){
  .wall,.wall .b{forced-color-adjust:none}
}
@media print{
  :root{color-scheme:light}
  body,.dark,.light,.door,.foot,.planks,.weekend{background:Canvas!important;color:CanvasText!important}
  .beam,.wall,.floor,.door__leaf,.seat,.btn,.skip,.planks::before,.pass__board{display:none!important}
  .hero,.planks{height:auto;background:none}
  .hero__name{position:static;color:CanvasText;font-size:2.4rem}
  .h1__a,.h1__b{text-shadow:none}
  .hero__foot{position:static;display:block;height:auto}
  .pass__big{color:CanvasText;font-size:4rem}
  .pass__num{-webkit-mask-image:none;mask-image:none}
}