/* simoautomations: the woodblock series. Tokens and rules are recorded in DESIGN.md. */
:root{
  --night:#0f1729;      /* Prussian-blue night: the field */
  --ai:#1b2b4b;         /* indigo: bokashi bands, secondary fields */
  --sumi:#17140f;       /* sumi ink: text and rules on paper */
  --sumi-soft:#5a4e3e;  /* secondary text on paper */
  --washi:#f1e6cc;      /* paper: cartouches and sheets */
  --washi-deep:#e4d3ad; /* aged paper: hover, wells */
  --washi-dim:#c9b994;  /* paper-tone text on the night field */
  --well:#fbf6ea;       /* inputs and code wells */
  --shu:#c63b22;        /* vermilion seal ink: seals, focus, markers */
  --shu-ink:#a8301b;    /* vermilion for filled buttons (5.4:1 with washi) */
  --shu-deep:#9e2a16;   /* vermilion text on paper */
  --serif:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",Georgia,serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --rule:1.5px solid var(--sumi);
  --frame:inset 0 0 0 5px var(--washi),inset 0 0 0 6.5px var(--sumi);
  --lift:0 26px 54px -26px rgba(3,6,14,.8),0 6px 14px -8px rgba(3,6,14,.45);
  color-scheme:dark;
  scrollbar-color:#3a4a6b var(--night);
}
*{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--night);color:var(--washi);font:500 17px/1.55 var(--serif);-webkit-font-smoothing:antialiased;caret-color:var(--shu);accent-color:var(--shu)}
::selection{background:var(--shu);color:var(--washi)}
a{color:inherit;text-underline-offset:.2em;text-decoration-thickness:1px}
:focus-visible{outline:3px solid var(--shu);outline-offset:3px}
img{display:block;max-width:100%}
h1,h2,h3{margin:0;font-weight:800;text-wrap:balance;letter-spacing:-.01em}
p{margin:0}
.nw{white-space:nowrap}

/* Paper grain over every surface: sumi specks, no blend mode so it stays cheap on phones. */
body::after{content:"";position:fixed;inset:0;z-index:40;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .09 0 0 0 0 .07 0 0 0 0 .05 0 0 0 -1.6 1.05'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* Seal mark */
.seal{width:34px;height:34px;flex:none;color:var(--washi)}
.seal rect,.stamp rect{fill:var(--shu)}
.seal text,.stamp text{fill:var(--washi);font:800 15px var(--serif)}

/* Header */
.brand{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px clamp(16px,4vw,40px);position:relative;z-index:10}
.home .brand{position:fixed;inset:0 0 auto;padding-top:max(14px,env(safe-area-inset-top))}
.home .brand::before{content:"";position:absolute;inset:0 0 -34px;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(15,23,41,.94) 0,rgba(15,23,41,.78) 55%,rgba(15,23,41,0))}
.mark{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:1.06rem;letter-spacing:.01em}
.nav{white-space:nowrap;font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;padding:8px 0;border-bottom:1.5px solid var(--shu)}
.nav:hover{color:#fff;border-color:var(--washi)}
.skip{position:absolute;left:12px;top:-60px;z-index:60;background:var(--washi);color:var(--sumi);padding:10px 14px;font-weight:800}
.skip:focus{top:12px}

/* ---------- Home: the scenes ---------- */
.scene{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;
  padding:110px clamp(20px,6vw,96px) 80px;overflow:clip}
.plate{position:absolute;inset:0;z-index:0;background:var(--night)}
.plate picture{display:block;height:100%}
.plate img{width:100%;height:100%;object-fit:cover;object-position:66% 50%}
/* ichimonji bokashi: the printer's graded indigo band across the top of every plate */
.plate::before{content:"";position:absolute;inset:0 0 auto;height:22%;z-index:1;background:linear-gradient(180deg,rgba(15,23,41,.88),rgba(15,23,41,0))}
.hero .plate::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(10,16,30,.72) 0,rgba(10,16,30,.42) 34%,rgba(10,16,30,0) 58%)}
.panel{position:relative;z-index:2}

.open{max-width:min(40rem,46vw)}
.open h1{font-size:clamp(2.3rem,4.4vw,4.4rem);line-height:1.07;color:var(--washi);text-shadow:0 2px 24px rgba(6,10,20,.6)}
.open p{margin-top:22px;max-width:30rem;font-size:clamp(1.05rem,1.35vw,1.22rem);color:var(--washi);opacity:.9;text-shadow:0 1px 14px rgba(6,10,20,.7)}
.cue{position:absolute;z-index:2;left:clamp(20px,6vw,96px);bottom:max(28px,env(safe-area-inset-bottom));display:flex;align-items:center;gap:14px;text-decoration:none;
  font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--washi-dim)}
.cue i{position:relative;width:1.5px;height:48px;background:rgba(241,230,204,.28);overflow:hidden}
.cue i::after{content:"";position:absolute;left:0;top:-40%;width:100%;height:40%;background:var(--shu);animation:drip 2.4s cubic-bezier(.16,1,.3,1) infinite}
@keyframes drip{to{top:100%}}

/* Title cartouche: washi slip with a double sumi rule and the artist's seal */
.cartouche{max-width:29rem;background:var(--washi);color:var(--sumi);padding:28px 30px 30px;border:var(--rule);box-shadow:var(--frame),var(--lift)}
.cartouche h2{font-size:clamp(1.6rem,2.6vw,2.3rem);line-height:1.13}
.cartouche p{margin-top:14px;color:var(--sumi-soft);font-size:1.04rem;line-height:1.62}
.stamp{position:absolute;right:-13px;bottom:-15px;width:42px;height:42px;transform:rotate(-7deg)}

/* The dojo: the free skills, on a sheet of washi */
.scroll-sheet{width:min(100%,35rem);background:var(--washi);color:var(--sumi);padding:clamp(24px,3vw,38px);border:var(--rule);box-shadow:var(--frame),var(--lift)}
.scroll-sheet h2{font-size:clamp(1.9rem,3vw,2.6rem);line-height:1.1}
.lede{margin-top:12px;color:var(--sumi-soft);font-size:1.04rem}
.shelf{list-style:none;margin:24px 0 0;padding:0;border-top:var(--rule)}
.shelf li{border-bottom:var(--rule)}
.shelf a{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-items:center;padding:16px 4px;text-decoration:none;transition:background-color .3s cubic-bezier(.16,1,.3,1)}
.shelf a:hover{background:var(--washi-deep)}
.shelf .txt{display:grid;gap:3px}
.shelf .kw{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--shu-deep)}
.shelf b{font-size:1.2rem;line-height:1.2}
.shelf .txt>span:last-child{color:var(--sumi-soft);font-size:.95rem;line-height:1.5}
.shelf .go{grid-column:2;display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:.86rem;color:var(--shu-deep)}
.shelf .go svg{width:18px;height:18px;transition:transform .35s cubic-bezier(.16,1,.3,1)}
.shelf a:hover .go svg{transform:translateX(4px)}
.dojo .signup{margin-top:28px}
.dojo h3{font-size:1.3rem;margin-bottom:2px}

/* Keyword seal: the keyword cut into a vermilion seal */
.seal-key{display:grid;place-items:center;align-content:center;width:64px;height:64px;flex:none;background:var(--shu);color:var(--washi);border-radius:6px;
  box-shadow:inset 0 0 0 3px var(--shu),inset 0 0 0 4.5px var(--washi);transform:rotate(-4deg);font-weight:800;font-size:1.3rem;line-height:1;letter-spacing:.02em}
.seal-key.long{font-size:.92rem}
.seal-key small{font-size:.52rem;letter-spacing:.16em;text-transform:uppercase;margin-top:5px;font-weight:800}

/* ---------- Forms (home and skill pages; behaviour in signup.js) ---------- */
.signup .fields{display:grid;gap:12px}
.lbl{display:block;font-size:.74rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--sumi-soft);margin:0 0 6px}
.field input{display:block;width:100%;height:52px;padding:0 14px;background:var(--well);color:var(--sumi);border:var(--rule);border-radius:2px;font:500 1.06rem var(--serif)}
.field input::placeholder{color:#7d705c}
.field input:focus-visible{outline-offset:2px}
.consent{display:grid;grid-template-columns:22px 1fr;gap:10px;align-items:start;font-size:.9rem;line-height:1.45;color:var(--sumi-soft)}
.consent input{width:20px;height:20px;margin:1px 0 0}
.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:54px;padding:12px 18px;border:0;border-radius:2px;background:var(--shu-ink);color:var(--washi);
  font:800 1.08rem var(--serif);letter-spacing:.02em;text-decoration:none;cursor:pointer;box-shadow:0 12px 24px -14px rgba(110,24,8,.9);transition:background-color .3s cubic-bezier(.16,1,.3,1),transform .3s cubic-bezier(.16,1,.3,1)}
.btn svg{width:20px;height:20px}
.btn:hover{background:var(--sumi)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.6;cursor:progress}
.err{color:var(--shu-deep);font-weight:800;font-size:.95rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.signup .done{display:none}
.signup.is-booked .fields{display:none}
.signup.is-booked .done{display:grid;gap:12px;animation:settle .6s cubic-bezier(.16,1,.3,1)}
@keyframes settle{from{opacity:.4;transform:translateY(8px)}}
.done:focus{outline:none}
.done>b{display:flex;align-items:center;gap:10px;font-size:1.4rem;color:var(--sumi)}
.done>b svg{width:26px;height:26px;padding:4px;background:var(--shu);color:var(--washi);border-radius:4px}
.done p{color:var(--sumi-soft)}
.install{margin:0;padding:12px 14px;background:var(--well);border:1.5px dashed var(--sumi-soft);white-space:pre-wrap;word-break:break-word;font:.82rem/1.55 var(--mono);color:var(--sumi)}
.copy{justify-self:start;padding:9px 16px;background:transparent;border:var(--rule);border-radius:2px;color:var(--sumi);font:800 .9rem var(--serif);cursor:pointer}
.copy:hover{background:var(--sumi);color:var(--washi)}
.small{font-size:.88rem;color:var(--sumi-soft)}

/* ---------- Footer ---------- */
.foot{position:relative;z-index:2;background:#0b1120;color:var(--washi-dim);padding:28px clamp(20px,6vw,96px) max(32px,env(safe-area-inset-bottom));font-size:.88rem;display:grid;gap:6px;border-top:1px solid #24324f}
.foot a{color:var(--washi)}

/* ---------- Free-skill page ---------- */
.skill,.privacy{background:radial-gradient(120% 60% at 80% 0,#1d2e52 0,var(--night) 60%) fixed var(--night)}
.backdrop{display:none}
.wrap{max-width:1140px;margin:0 auto;padding:4px 16px 56px;position:relative;z-index:1}
.skill .hero{display:grid;gap:22px;align-items:start}
.sheet{background:var(--washi);color:var(--sumi);border:var(--rule);box-shadow:var(--frame),var(--lift);padding:22px 20px 24px}
.skill .head{display:flex;gap:16px;align-items:flex-start;justify-content:space-between}
.skill h1{font-size:clamp(2rem,8.6vw,3.3rem);line-height:1.04;padding-top:2px}
.skill .with{margin:12px 0 18px;color:var(--sumi-soft);font-size:1.04rem;line-height:1.5}
.part{margin-top:22px;padding-top:16px;border-top:var(--rule)}
.contents{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.contents li{position:relative;padding-left:20px;line-height:1.5}
.contents li::before{content:"";position:absolute;left:2px;top:.55em;width:7px;height:7px;background:var(--shu);transform:rotate(45deg)}
.how h2{font-size:1.55rem;margin-bottom:14px}
.steps{list-style:none;counter-reset:s;margin:0 0 22px;padding:0;display:grid;gap:14px}
.steps li{counter-increment:s;display:grid;grid-template-columns:30px 1fr;gap:2px 12px}
.steps li::before{content:counter(s);grid-row:span 2;display:grid;place-items:center;width:30px;height:30px;background:var(--shu);color:var(--washi);border-radius:4px;font-weight:800;font-size:.95rem}
.steps b{font-size:1.06rem}
.steps span{color:var(--sumi-soft);line-height:1.5}
.steps .say{color:var(--sumi);background:var(--washi-deep);padding:6px 10px;margin-top:4px;font-weight:800}
.how h3.lbl{padding-top:16px;border-top:var(--rule)}
.needs{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:12px}
.needs li{display:flex;gap:12px;align-items:flex-start}
.needs svg{width:26px;height:26px;flex:none;color:var(--shu-deep)}
.needs small{display:block;color:var(--sumi-soft);font-size:.92rem}
.peek{margin-top:44px}
.peek h2{font-size:clamp(1.6rem,4vw,2.2rem);margin-bottom:14px;color:var(--washi)}
.slip p{color:var(--sumi-soft);margin-bottom:14px;max-width:62ch}
.slip pre{margin:0;padding:16px;background:var(--well);border:1px solid #cdbb93;overflow:auto;max-height:28rem;font:.8rem/1.6 var(--mono);color:var(--sumi);tab-size:2}
.skill .foot,.privacy .foot{background:transparent;border-top:1px solid #24324f}

/* ---------- Privacy ---------- */
.doc{max-width:720px;margin:4px auto 56px;padding:28px clamp(20px,4vw,40px) 18px}
.doc h1{font-size:clamp(2.2rem,7vw,3rem);margin-bottom:10px}
.doc h2{font-size:1.25rem;margin:28px 0 6px}
.doc p,.doc li{max-width:66ch;line-height:1.6}
.doc ul{padding-left:1.2em}
.doc .meta{color:var(--sumi-soft)}
.privacy main{margin-left:16px;margin-right:16px}
@media (min-width:752px){.privacy main{margin-left:auto;margin-right:auto}}

/* ---------- Portrait: tall plates keep the top third calm ---------- */
@media (orientation:portrait){
  .scene{justify-content:flex-start;padding:96px 18px 72px}
  .plate img{object-position:50% 50%}
  .hero .plate::after{background:linear-gradient(180deg,rgba(10,16,30,.7) 0,rgba(10,16,30,.45) 30%,rgba(10,16,30,0) 52%)}
  .open{max-width:34rem}
  .open h1{font-size:clamp(2rem,8.4vw,3.4rem);line-height:1.1}
  .open p{margin-top:14px}
  .cartouche{padding:22px 22px 26px}
  .stamp{right:-8px;bottom:-12px;width:36px;height:36px}
}

/* ---------- Wider screens ---------- */
@media (min-width:760px){
  body{font-size:18px}
  .sheet{padding:30px 32px 32px}
}
@media (min-width:980px){
  .skill .hero{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:28px}
  .skill .main{transform:rotate(-.4deg)}
  .how{margin-top:36px}
}
@media (min-width:980px) and (orientation:landscape){
  .skill .backdrop{display:block;position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.34;
    background:linear-gradient(90deg,var(--night) 30%,rgba(15,23,41,.2)),url(/img/scenes/dojo-wide-1280.webp) 70% 50%/cover no-repeat}
}

/* ---------- Motion (home.js adds .js-motion; never under reduced motion) ---------- */
.js-motion .scene{min-height:130vh;min-height:130svh;justify-content:flex-start;padding-top:34vh;padding-top:34svh;overflow:visible}
.js-motion .hero{min-height:100vh;min-height:100svh;justify-content:center;padding-top:110px}
.js-motion .dojo{min-height:100vh;min-height:100svh;padding-top:24vh;padding-top:24svh;padding-bottom:16vh}
.js-motion .plate{position:fixed;opacity:var(--fade,1)}
.js-motion .plate.is-off{display:none}
/* a print fades up over the night field once it has loaded; the plate itself follows the scroll */
.js-motion .plate img{opacity:0;transition:opacity .6s cubic-bezier(.16,1,.3,1)}
.js-motion .plate.is-loaded img{opacity:1}
.js-motion .plate picture{transform:translate3d(0,calc(var(--drift,0) * -2.6vh),0) scale(calc(1.09 - var(--drift,0) * .022));will-change:transform}
.js-motion .panel{opacity:var(--rise,1);transform:translate3d(0,calc((1 - var(--rise,1)) * 56px),0);filter:blur(calc((1 - var(--rise,1)) * 6px))}
.js-motion .hero .panel{filter:none}
/* mist bands drifting slower than the page, between the plates and the text */
.js-motion body::before{content:"";position:fixed;inset:-20vh 0;z-index:1;pointer-events:none;opacity:.55;
  background:radial-gradient(60% 9% at 30% 62%,rgba(241,230,204,.16),transparent 70%),radial-gradient(55% 7% at 78% 84%,rgba(241,230,204,.12),transparent 70%),radial-gradient(70% 8% at 55% 36%,rgba(201,185,148,.09),transparent 70%);
  transform:translate3d(0,calc(var(--mist,0) * -7vh),0)}
@media (orientation:portrait){
  .js-motion .scene{padding-top:26vh;padding-top:26svh}
  .js-motion .hero{justify-content:flex-start;padding-top:104px}
  .js-motion .dojo{padding-top:18vh;padding-top:18svh}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .cue i::after{animation:none;top:30%}
  .signup.is-booked .done{animation:none}
  *{transition-duration:0s!important}
}