/* fonts – self-hosted, no third-party requests */
@font-face{font-family:'Satoshi';src:url(fonts/satoshi-400.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Satoshi';src:url(fonts/satoshi-500.woff2) format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Satoshi';src:url(fonts/satoshi-700.woff2) format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Caveat';src:url(fonts/caveat-latin-ext.woff2) format('woff2');font-weight:400 700;font-style:normal;font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Caveat';src:url(fonts/caveat-latin.woff2) format('woff2');font-weight:400 700;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Permanent Marker';src:url(fonts/permanent-marker-latin.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap}
:root,[data-theme="light"]{
  color-scheme:light;
  --ink:#111; --paper:#f4f2ec; --mute:#55534e; --line:rgba(17,17,17,.16);
  --grid:rgba(17,17,17,.055); --grid-strong:rgba(17,17,17,.09);
  --card:#fff; --dash:rgba(17,17,17,.45); --shadow:rgba(17,17,17,.12); --tape:rgba(200,198,188,.75);
  --glass:rgba(244,242,236,.94); --def-bg:rgba(255,255,255,.55); --inv:0;
  --foot-bg:#111; --foot-fg:rgba(255,255,255,.65);
  --f-body:'Satoshi','Helvetica Neue',sans-serif;
  --f-mark:'Permanent Marker','Comic Sans MS',cursive;
  --f-hand:'Caveat',cursive;
  --gut:clamp(20px,5vw,72px);
}
[data-theme="dark"]{
  color-scheme:dark;
  --ink:#ecebe6; --paper:#121211; --mute:#a3a19a; --line:rgba(236,235,230,.16);
  --grid:rgba(236,235,230,.04); --grid-strong:rgba(236,235,230,.075);
  --card:#1d1d1b; --dash:rgba(236,235,230,.4); --shadow:rgba(0,0,0,.45); --tape:rgba(120,118,110,.55);
  --glass:rgba(18,18,17,.92); --def-bg:rgba(29,29,27,.6); --inv:1;
  --foot-bg:#000; --foot-fg:rgba(236,235,230,.6);
}
/* black line-art assets follow the theme */
.top__logo img,.hero__logo img,.hero__arrow,.tree__lines{filter:invert(var(--inv))}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;color:var(--ink);font:400 17px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid-strong) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-strong) 1px,transparent 1px),
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px dashed currentColor;outline-offset:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;z-index:99}
.skip:focus{left:8px}

.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px var(--gut);background:var(--glass);backdrop-filter:blur(8px);border-bottom:1px dashed var(--dash)}
.top__logo img{width:150px}
.top nav{display:flex;gap:clamp(14px,3vw,32px)}
.top nav a{font-size:15px;font-weight:500;text-decoration:none;padding:10px 0}
.top nav a:hover{text-decoration:underline;text-decoration-style:wavy;text-underline-offset:6px}

/* hero as drafting sheet */
.hero{padding:clamp(40px,6vw,80px) var(--gut) clamp(56px,8vw,110px)}
.sheet{position:relative;max-width:1080px;margin:0 auto;padding:clamp(56px,9vw,120px) clamp(20px,7vw,100px) clamp(64px,9vw,120px);
  border:1.5px dashed var(--dash);border-top:0;margin-top:var(--ridge)}
.sheet{--ridge:clamp(52px,9vw,116px)}
.ridge{position:absolute;left:-.75px;right:-.75px;top:calc(-1 * var(--ridge));width:calc(100% + 1.5px);height:var(--ridge);overflow:visible}
.summit{position:absolute;left:calc(var(--x) * 1%);top:calc(var(--ridge) * (var(--y) / 70 - 1));
  display:flex;align-items:flex-end;gap:6px;color:var(--ink);transform:translateY(-100%);pointer-events:none}
.summit svg{display:block;flex:none;width:clamp(14px,1.5vw,20px);height:auto}
.summit--a{flex-direction:row;transform:translate(calc(-100% + 8px),-100%)}
.summit--b{transform:translate(-8px,-100%)}
.summit__tag{font:700 clamp(15px,1.6vw,20px)/1 var(--f-hand);white-space:nowrap;margin-bottom:14px}
.ridge path{fill:none;stroke:var(--dash);stroke-width:1.5px;stroke-dasharray:5 4;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.mark{position:absolute;width:26px;height:26px}
.mark::before,.mark::after{content:"";position:absolute;background:var(--ink)}
.mark::before{left:12px;top:0;width:1.5px;height:26px}
.mark::after{top:12px;left:0;height:1.5px;width:26px}
.mark--tl{left:-13px;top:-13px}.mark--tr{right:-13px;top:-13px}.mark--bl{left:-13px;bottom:-13px}.mark--br{right:-13px;bottom:-13px}
.hero__logo{margin:0;max-width:820px}
.hero__claim{font:700 clamp(30px,4.6vw,54px)/1.1 var(--f-hand);margin:26px 0 4px;max-width:820px;text-align:right}
.hero__en{margin:0;max-width:820px;text-align:right;font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.note{position:relative;background:var(--card);border:1.5px solid var(--ink);box-shadow:4px 5px 0 var(--shadow)}
.note--hero{position:absolute;right:clamp(16px,5vw,70px);bottom:-46px;transform:rotate(2.2deg);padding:20px 26px 16px;max-width:300px}
.note--hero p{margin:0;font:700 26px/1.15 var(--f-hand)}
.hero__arrow{position:absolute;width:110px;right:clamp(330px,34vw,420px);bottom:-30px;opacity:.85}
.tape{position:absolute;top:-12px;left:50%;width:88px;height:24px;transform:translateX(-50%) rotate(-3deg);
  background:var(--tape);border-left:1px dashed rgba(0,0,0,.15);border-right:1px dashed rgba(0,0,0,.15)}

.sec{scroll-margin-top:60px;padding:clamp(72px,10vw,140px) var(--gut)}
.wrap{max-width:1080px;margin:0 auto}
.label{display:inline-block;margin:0 0 12px;font:700 22px/1 var(--f-hand);color:var(--mute);border-bottom:1.5px solid var(--dash);padding-bottom:4px}
h2{font:400 clamp(28px,4vw,46px)/1.15 var(--f-mark);margin:0 0 36px;max-width:20ch}
.lead{font-size:clamp(19px,2vw,23px);line-height:1.5;margin:0;max-width:36ch}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,80px);align-items:start}
.cards{margin:0;display:grid;gap:22px}
.card{position:relative;background:var(--card);border:1.5px solid var(--ink);padding:18px 20px 14px;box-shadow:3px 4px 0 var(--shadow)}
.card:nth-child(1){transform:rotate(-.8deg)}
.card:nth-child(2){transform:rotate(.6deg);margin-left:18px}
.card:nth-child(3){transform:rotate(-.4deg)}
.card .tape{left:auto;right:18px;width:64px;transform:rotate(4deg)}
.card dt{font:400 20px/1.2 var(--f-mark);margin-bottom:4px}
.card dd{margin:0;color:var(--mute)}

.tree{margin:clamp(72px,9vw,120px) 0 0}
.tree__root{width:max-content;margin:0 auto;font:400 clamp(24px,3vw,34px)/1 var(--f-mark);padding:14px 26px;background:var(--paper);border:2.5px solid var(--ink);border-radius:10px 14px 9px 16px}
.tree__lines{width:66.6%;height:90px;margin:0 auto}
.tree__forms{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.tree__forms li{padding:18px 10px 0}
.tree__name{display:inline-block;font:400 clamp(20px,2.4vw,28px)/1.15 var(--f-mark);margin-bottom:8px;background:var(--paper);padding:0 4px}
.tree__how{display:block;font-size:15px;color:var(--mute)}
.is-ours .tree__name{position:relative}
.is-ours .tree__name::before{content:"";position:absolute;inset:-18px -36px -16px;background:var(--ink);-webkit-mask:url(assets/circle.svg) center/100% 100% no-repeat;mask:url(assets/circle.svg) center/100% 100% no-repeat;pointer-events:none}
.tree figcaption{margin-top:40px;text-align:center;font:700 22px/1.2 var(--f-hand);color:var(--mute)}

.def{margin:clamp(72px,9vw,120px) 0 0 auto;max-width:720px;padding:28px 32px;border:1.5px dashed var(--dash);background:var(--def-bg)}
.def__text{font-size:clamp(18px,1.8vw,21px);line-height:1.6;margin:6px 0 18px}
.def footer{font-size:14px;color:var(--mute)}

/* workbench */
.werkfeld .lead{margin-bottom:48px}
.wz{list-style:none;margin:0;padding:0;display:grid;align-items:start;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.wz li{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1.5px solid var(--ink);padding:14px 16px;box-shadow:3px 4px 0 var(--shadow);min-height:86px}
.wz li:nth-child(4n+1){transform:rotate(-.7deg)}
.wz li:nth-child(4n+3){transform:rotate(.6deg)}
.wz__code{flex:0 0 auto;font:400 30px/1 var(--f-mark);width:34px;text-align:center}
.wz__name{font-size:15px;line-height:1.4;hyphens:auto;-webkit-hyphens:auto;overflow-wrap:break-word;min-width:0}
.src{margin:28px 0 0;font-size:14px;color:var(--mute)}

/* theme toggle */
.theme{display:inline-grid;place-items:center;width:44px;height:44px;margin:-6px 0;padding:0;border:1.5px dashed var(--dash);border-radius:50%;background:transparent;color:var(--ink);cursor:pointer}
.theme:hover{border-style:solid}
.theme__sun{display:none}
[data-theme="dark"] .theme__sun{display:block}
[data-theme="dark"] .theme__moon{display:none}
.top nav{align-items:center}

/* legal page */
.legal h1{font:400 clamp(32px,4.4vw,52px)/1.1 var(--f-mark);margin:0 0 40px}
.legal__body{overflow-wrap:break-word;max-width:680px;background:var(--card);border:1.5px solid var(--ink);box-shadow:4px 5px 0 var(--shadow);padding:clamp(24px,4vw,44px)}
.legal__body h2{font:700 18px/1.3 var(--f-body);margin:32px 0 8px;max-width:none}
.legal__body h2:first-child{margin-top:0}
.legal__body p{margin:0 0 12px;max-width:62ch}
.foot a{color:inherit}

/* contact */
.note--contact{display:inline-block;padding:30px clamp(22px,4vw,40px) 22px;transform:rotate(-1deg)}
.mail{position:relative;display:inline-block;font:700 clamp(30px,4.4vw,52px)/1.1 var(--f-hand);text-decoration:none;padding-bottom:12px}
.mail::after{content:"";position:absolute;left:0;right:0;bottom:0;height:14px;background:var(--ink);-webkit-mask:url(assets/stroke-rise.svg) 0 0/100% 100% no-repeat;mask:url(assets/stroke-rise.svg) 0 0/100% 100% no-repeat}
.mail:hover{opacity:.75}
.addr{margin:16px 0 0;color:var(--mute);font-size:15px}

.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px var(--gut);background:var(--foot-bg);color:var(--foot-fg);font-size:13px}

@media (max-width:760px){
  .top__logo img{width:118px}
  .top nav{gap:14px}.top nav a{font-size:14px}
  .sheet{padding-bottom:110px}
  .note--hero{left:16px;right:16px;bottom:-40px;max-width:none}
  .hero__arrow{display:none}
  .split{grid-template-columns:1fr}
  .card:nth-child(2){margin-left:0}
  .tree__lines{display:none}
  .tree__forms{grid-template-columns:1fr;gap:28px}
  .tree__root{margin-bottom:12px}
  .is-ours .tree__name::before{inset:-16px -18px -14px}
  .def{padding:22px 20px}
  .wz{grid-template-columns:1fr}
  .top nav{gap:10px}
}