/* OFFICINA SERAFIN — workshop at dusk */

:root{
  --ombra:#150F08;        /* workshop shadow — page ground */
  --banco:#231809;        /* bench umber — panels */
  --banco-2:#2C1F0E;
  --abete:#EFE3C6;        /* spruce cream — ink */
  --marezzo:#C79A52;      /* flamed-maple gold */
  --vernice:#B44A1E;      /* varnish amber-red */
  --vernice-hi:#D0662E;
  --colofonia:#E8C87D;    /* rosin highlight */
  --dim:rgba(239,227,198,.62);
  --faint:rgba(239,227,198,.55);
  --purf:rgba(199,154,82,.38);
  --ease-out:cubic-bezier(.22,1,.36,1);
  --ease-settle:cubic-bezier(.19,1,.22,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  background:var(--ombra);
  color:var(--abete);
  font-family:'Cardo',Georgia,serif;
  font-size:clamp(17px,1.05vw + 12px,19px);
  line-height:1.65;
  overflow-x:hidden;
}

::selection{background:var(--colofonia);color:var(--ombra)}
::-webkit-scrollbar{width:11px}
::-webkit-scrollbar-track{background:var(--ombra)}
::-webkit-scrollbar-thumb{background:#3A2A14;border:2px solid var(--ombra);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:var(--marezzo)}
html{scrollbar-color:#3A2A14 var(--ombra);scrollbar-width:thin}

:focus-visible{outline:2px solid var(--colofonia);outline-offset:3px;border-radius:2px}

.mono{font-family:'Cutive Mono',ui-monospace,monospace}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.9rem clamp(1.2rem,4vw,3rem);
  background:rgba(21,15,8,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(199,154,82,.22);
}
.site-head::after{ /* purfling: second hairline below */
  content:"";position:absolute;left:0;right:0;bottom:-5px;height:1px;
  background:rgba(199,154,82,.14);pointer-events:none;
}
.wordmark{
  font-family:'Cinzel',serif;font-weight:600;font-size:1.05rem;
  letter-spacing:.34em;color:var(--abete);text-decoration:none;
}
.site-head nav{display:flex;gap:clamp(.7rem,2.2vw,1.9rem);flex-wrap:wrap;justify-content:flex-end}
.site-head nav a{
  font-family:'Cinzel',serif;font-size:.68rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--marezzo);text-decoration:none;
  padding:.25rem 0;position:relative;
}
.site-head nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--colofonia);transition:right .45s var(--ease-out);
}
.site-head nav a:hover{color:var(--colofonia)}
.site-head nav a:hover::after{right:0}
/* scrollspy: the underline rests on the section at the bench */
.site-head nav a.is-here{color:var(--colofonia)}
.site-head nav a.is-here::after{right:0}

/* ---------- hero ---------- */
.hero{
  padding:clamp(2.4rem,5.5vh,4rem) 0 clamp(2.5rem,6vh,4rem);
  text-align:center;
  background:
    radial-gradient(120% 90% at 50% 12%, rgba(180,74,30,.14) 0%, rgba(180,74,30,.05) 34%, transparent 62%),
    var(--ombra);
}
.eyebrow{
  font-size:.72rem;letter-spacing:.18em;color:var(--marezzo);
  text-transform:uppercase;
}
.title{
  font-family:'Cinzel',serif;font-weight:500;
  font-size:clamp(2.1rem,7.2vw,5.4rem);
  letter-spacing:.14em;
  color:var(--abete);
  margin:.55rem 0 0;
  line-height:1.12;
  text-shadow:0 0 60px rgba(180,74,30,.35);
}
.title .tw{display:inline-block;white-space:nowrap}
.title .tw + .tw{margin-left:.45em}
.title i{
  font-style:normal;display:inline-block;opacity:0;
  transform:translateX(calc((var(--i) - 7) * .16em));
  animation:settle 1.5s var(--ease-settle) forwards;
  animation-delay:calc(.25s + var(--i) * .045s);
}
@keyframes settle{to{opacity:1;transform:translateX(0)}}
/* orchestrated load: eyebrow → title letters → lede → strings → controls → hint */
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.hero .eyebrow{animation:riseIn .9s var(--ease-out) .1s backwards}
.hero .lede{animation:riseIn 1s var(--ease-out) .8s backwards}
.hero .hero-controls{animation:riseIn 1s var(--ease-out) 1.5s backwards}
.hero .hint{animation:riseIn 1s var(--ease-out) 1.9s backwards}
.lede{
  max-width:56ch;margin:1.2rem auto 0;
  font-style:italic;color:var(--dim);
  padding:0 1.4rem;
  text-wrap:balance;
}

.strings-stage{
  position:relative;
  margin:clamp(1.3rem,3.5vh,2.4rem) 0 0;
  background:
    radial-gradient(90% 130% at 50% 50%, rgba(44,31,14,.55) 0%, transparent 70%);
}
#stringsCanvas{
  display:block;width:100%;
  height:clamp(280px,42vh,430px);
  touch-action:none;
  cursor:crosshair;
}

.hero-controls{
  display:flex;align-items:center;justify-content:center;gap:clamp(.9rem,3vw,2.2rem);
  flex-wrap:wrap;margin-top:1.25rem;padding:0 1rem;
}
.sound-btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:'Cinzel',serif;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--colofonia);background:transparent;cursor:pointer;
  border:1px solid var(--purf);outline:1px solid var(--purf);outline-offset:-6px;
  padding:.85rem 1.5rem;
  transition:color .3s var(--ease-out),border-color .3s var(--ease-out),background .3s var(--ease-out);
}
.sound-btn .fh-ic{width:9px;height:22px;color:var(--vernice-hi)}
.sound-btn:hover{background:rgba(199,154,82,.08);border-color:var(--marezzo)}
.sound-btn[aria-pressed="true"]{color:var(--ombra);background:var(--marezzo);border-color:var(--marezzo)}
.sound-btn[aria-pressed="true"] .fh-ic{color:var(--vernice)}
.sound-btn:focus-visible{outline:2px solid var(--colofonia);outline-offset:3px}

.pegs{display:flex;gap:.55rem}
.peg{
  font-family:'Cinzel',serif;font-size:.66rem;letter-spacing:.14em;
  color:var(--marezzo);background:var(--banco);
  border:1px solid var(--purf);border-radius:999px;
  padding:.72rem 1.05rem;cursor:pointer;
  transition:transform .25s var(--ease-out),color .25s,border-color .25s,box-shadow .25s;
}
.peg:hover{color:var(--colofonia);border-color:var(--colofonia);transform:translateY(-2px);
  box-shadow:0 6px 18px rgba(0,0,0,.5)}
.peg:active{transform:translateY(0) scale(.96)}
.hint{
  margin-top:1.3rem;font-size:.68rem;letter-spacing:.14em;color:var(--faint);
  text-transform:lowercase;padding:0 1.2rem;
}

/* ---------- sections ---------- */
.section{
  max-width:1060px;margin:0 auto;
  padding:clamp(5rem,12vh,8.5rem) clamp(1.2rem,4vw,3rem) 0;
}
.sec-head{
  display:flex;align-items:center;justify-content:center;gap:clamp(1.2rem,3vw,2.4rem);
  text-align:center;margin-bottom:clamp(1.8rem,4vh,2.8rem);
}
.sec-head h2{
  font-family:'Cinzel',serif;font-weight:500;
  font-size:clamp(1.5rem,3.4vw,2.4rem);
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--abete);
}
.sec-head .sub{
  font-style:italic;color:var(--marezzo);font-size:1rem;margin-top:.3rem;
}
.fh{width:24px;height:60px;color:var(--vernice-hi);flex:none;opacity:.9}
.fh.flip{transform:scaleX(-1)}
.prose{
  max-width:62ch;margin:0 auto clamp(2rem,5vh,3rem);
  color:var(--dim);text-align:center;
}
.prose em{color:var(--abete)}

/* ---------- harmonics ---------- */
.harm-controls{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  max-width:860px;margin:0 auto 1rem;
}
.string-pick{display:flex;gap:.4rem}
.pick{
  font-family:'Cinzel',serif;font-size:.64rem;letter-spacing:.14em;
  color:var(--dim);background:transparent;border:1px solid rgba(199,154,82,.25);
  padding:.55rem .9rem;cursor:pointer;border-radius:2px;
  transition:color .25s,border-color .25s,background .25s;
}
.pick:hover{color:var(--colofonia);border-color:var(--marezzo)}
.pick.is-on{color:var(--ombra);background:var(--marezzo);border-color:var(--marezzo)}
.open-btn{
  font-family:'Cutive Mono',monospace;font-size:.72rem;letter-spacing:.06em;
  color:var(--marezzo);background:transparent;border:none;cursor:pointer;
  border-bottom:1px dashed rgba(199,154,82,.5);padding:.3rem 0;
  transition:color .25s;
}
.open-btn:hover{color:var(--colofonia)}

.harm-stage{
  position:relative;max-width:1060px;margin:0 auto;
  background:radial-gradient(80% 120% at 50% 50%, rgba(44,31,14,.5) 0%, transparent 72%);
}
#harmCanvas{
  display:block;width:100%;
  height:clamp(240px,34vh,340px);
  touch-action:none;cursor:crosshair;
}
.nodes{position:absolute;left:var(--sx0,60px);right:var(--sx1,60px);top:0;bottom:0;pointer-events:none}
.node{
  pointer-events:auto;
  position:absolute;top:calc(50% + 44px);
  width:34px;height:34px;margin-left:-17px;
  background:var(--banco);border:1px solid var(--purf);
  transform:rotate(45deg);cursor:pointer;
  transition:border-color .25s,background .25s,transform .25s var(--ease-out);
}
.node span{
  position:absolute;inset:0;display:grid;place-items:center;
  transform:rotate(-45deg);
  font-family:'Cardo',serif;font-size:.92rem;color:var(--marezzo);
  transition:color .25s;
}
.node:hover{border-color:var(--colofonia);transform:rotate(45deg) scale(1.12)}
.node:hover span{color:var(--colofonia)}
.node.is-on{background:var(--vernice);border-color:var(--vernice-hi)}
.node.is-on span{color:var(--abete)}

.readout{
  max-width:860px;margin:1.4rem auto 0;text-align:center;
  display:flex;flex-direction:column;gap:.3rem;
}
.ro-main{font-size:.92rem;letter-spacing:.05em;color:var(--colofonia)}
.ro-sub{font-size:.72rem;color:var(--faint)}

/* ---------- woods ---------- */
.woods{display:flex;flex-direction:column;gap:clamp(3rem,7vh,5rem)}
.wood{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,6fr);
  gap:clamp(1.6rem,4vw,3.2rem);align-items:center;
}
.wood-rev .wood-panel{order:2}
.wood-rev .wood-copy{order:1}
.wood-panel{
  position:relative;height:clamp(300px,44vh,460px);overflow:hidden;
  border:1px solid var(--purf);outline:1px solid var(--purf);outline-offset:-7px;
  box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.wood-panel svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.wood-panel::after{ /* raking-light reveal wipe */
  content:"";position:absolute;inset:-2px;
  background:linear-gradient(100deg,transparent 0%,rgba(21,15,8,.45) 12%,var(--ombra) 26%);
  transform:translateX(0);
  transition:transform 1.6s var(--ease-out);
  pointer-events:none;
}
.wood.is-lit .wood-panel::after{transform:translateX(130%)}
.w-label{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--vernice-hi);margin-bottom:.6rem}
.wood-copy h3{
  font-family:'Cinzel',serif;font-weight:500;font-size:clamp(1.15rem,2vw,1.45rem);
  letter-spacing:.12em;text-transform:uppercase;color:var(--abete);margin-bottom:.9rem;
}
.wood-copy p{color:var(--dim);max-width:52ch}
.ledger{margin-top:1.4rem;border-top:1px solid rgba(199,154,82,.25)}
.ledger div{
  display:flex;justify-content:space-between;gap:1rem;
  padding:.5rem 0;border-bottom:1px solid rgba(199,154,82,.14);
  font-size:.74rem;
  transition:background .35s var(--ease-out);
}
.ledger div:hover{background:rgba(199,154,82,.05)}
.ledger dt{color:var(--faint);text-transform:uppercase;letter-spacing:.1em}
.ledger dd{color:var(--marezzo);text-align:right}

/* ---------- diary ---------- */
.diary{
  list-style:none;max-width:820px;margin:0 auto;
  position:relative;padding-left:0;
}
.entry{
  display:grid;grid-template-columns:150px 7px 1fr;
  gap:clamp(1.1rem,3vw,2rem);
  padding:1.35rem 0;
}
.entry + .entry{border-top:1px solid rgba(199,154,82,.12)}
.when{display:flex;flex-direction:column;align-items:flex-end;gap:.25rem;text-align:right}
.when .d{color:var(--abete);font-size:.86rem}
.when .rh{color:var(--vernice-hi);font-size:.72rem}
/* hygrometer tick: 30–70% RH domain, the season drawn as data */
.gauge{position:relative;height:3px;width:64px;margin-top:.3rem;
  background:rgba(199,154,82,.16)}
.gauge::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;
  background:rgba(199,154,82,.3)}
.gauge::after{content:"";position:absolute;top:-2.5px;height:8px;width:2px;
  left:calc((var(--rh) - 30) * 2.5% - 1px);
  background:var(--vernice-hi)}
.entry::before{ /* vertical purfling rail segment */
  content:"";grid-column:2;grid-row:1;
  border-left:1px solid var(--purf);border-right:1px solid var(--purf);
  margin:.2rem 0;
}
.entry p{color:var(--dim);max-width:58ch}

/* ---------- instruments ---------- */
.cards{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(1.2rem,2.6vw,2rem);
}
.card{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--banco) 0%,var(--ombra) 90%);
  border:1px solid var(--purf);outline:1px solid var(--purf);outline-offset:-7px;
  padding:clamp(1.4rem,3vw,2.2rem);
  transition:transform .5s var(--ease-out),border-color .5s var(--ease-out),box-shadow .5s var(--ease-out);
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(199,154,82,.6);
  box-shadow:0 18px 44px rgba(0,0,0,.45);
}
.card::after{ /* varnish sheen sweep */
  content:"";position:absolute;top:0;bottom:0;width:55%;left:0;
  background:linear-gradient(105deg,transparent 0%,rgba(232,200,125,.07) 45%,rgba(232,200,125,.13) 50%,rgba(232,200,125,.07) 55%,transparent 100%);
  transform:translateX(-140%) skewX(-8deg);
  transition:transform 1.1s var(--ease-out);
  pointer-events:none;
}
.card:hover::after{transform:translateX(300%) skewX(-8deg)}
.opus{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--vernice-hi)}
.card h3{
  font-family:'Cinzel',serif;font-weight:500;font-size:1.02rem;letter-spacing:.06em;
  color:var(--abete);margin:.55rem 0 1rem;line-height:1.45;
}
.chip{
  height:7px;width:96px;margin:.7rem 0 .2rem;border-radius:2px;
}
.chip-71{background:linear-gradient(90deg,#5A1E0C,#8C2F16,#B44A1E,#8C2F16)}
.chip-68{background:linear-gradient(90deg,#7A4A16,#B4762B,#D69A45,#B4762B)}
.chip-66{background:linear-gradient(90deg,#4E2410,#7E3D1A,#A85A24,#7E3D1A)}
.chip-62{background:linear-gradient(90deg,#3E1C0E,#6E3418,#965026,#6E3418)}
.card > p:not(.opus):not(.price){color:var(--dim);font-size:.95rem}
.price{margin-top:1.1rem;font-size:.7rem;letter-spacing:.08em;color:var(--marezzo)}
.commissions{
  max-width:58ch;margin:clamp(2rem,5vh,3rem) auto 0;text-align:center;
  font-style:italic;color:var(--dim);
}

/* ---------- care ---------- */
.care{
  list-style:none;max-width:820px;margin:0 auto;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(1.6rem,4vw,2.6rem) clamp(2rem,5vw,3.5rem);
}
.care h3{
  font-family:'Cinzel',serif;font-weight:500;font-size:.85rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--marezzo);margin-bottom:.45rem;
}
.care p{color:var(--dim);font-size:.97rem}

/* ---------- footer ---------- */
.site-foot{
  margin-top:clamp(5rem,12vh,8.5rem);
  padding:clamp(3rem,7vh,4.5rem) 1.5rem clamp(2.5rem,6vh,3.5rem);
  text-align:center;
  border-top:1px solid rgba(199,154,82,.22);
  position:relative;
}
.site-foot::before{
  content:"";position:absolute;left:0;right:0;top:5px;height:1px;
  background:rgba(199,154,82,.12);
}
.foot-fh{width:18px;height:45px;margin-bottom:1rem}
.foot-name{
  font-family:'Cinzel',serif;letter-spacing:.3em;text-transform:uppercase;
  font-size:1rem;color:var(--abete);margin-bottom:.8rem;
}
.site-foot .mono{font-size:.72rem;color:var(--dim);line-height:2}
.colophon{margin-top:1.6rem;font-style:italic;font-size:.85rem;color:var(--faint)}

/* ---------- reveals ---------- */
.reveal{opacity:0;transform:translateY(26px);
  transition:opacity 1s var(--ease-out),transform 1s var(--ease-out)}
.reveal.is-in{opacity:1;transform:none}
.reveal-strings{opacity:0;transition:opacity 1.2s var(--ease-out)}
.reveal-strings.is-in{opacity:1}

/* ---------- responsive ---------- */
@media (max-width:760px){
  /* narrow spans crowd the diamonds: the mirrored ¼ and ¾ step down a rank */
  .node[data-m="4"]{top:calc(50% + 84px)}
}
@media (max-width:900px){
  .wood,.wood-rev{grid-template-columns:1fr}
  .wood-rev .wood-panel{order:1}
  .wood-rev .wood-copy{order:2}
  .wood-panel{height:clamp(240px,36vh,340px)}
  .cards{grid-template-columns:1fr}
}
@media (max-width:640px){
  html{scroll-padding-top:0} /* header is static here — anchors land true */
  .site-head{position:static;flex-direction:column;gap:.45rem;padding:.8rem .6rem}
  .site-head nav{justify-content:center;gap:.85rem}
  .site-head nav a{font-size:.6rem;letter-spacing:.16em}
  .eyebrow{font-size:.6rem;letter-spacing:.1em;padding:0 1rem}
  .entry{grid-template-columns:86px 7px 1fr;gap:.9rem}
  .when .d{font-size:.74rem}
  .when .rh{font-size:.64rem}
  .care{grid-template-columns:1fr}
  .harm-controls{justify-content:center}
  .node{width:30px;height:30px;margin-left:-15px;top:calc(50% + 36px)}
  #stringsCanvas{height:280px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .title i{animation:none;opacity:1;transform:none}
  .hero .eyebrow,.hero .lede,.hero .hero-controls,.hero .hint{animation:none}
  .reveal,.reveal-strings{opacity:1;transform:none;transition:none}
  .wood-panel::after{display:none}
  .card::after{display:none}
  .card{transition:none}
  .card:hover{transform:none}
  .site-head nav a::after{transition:none}
}