/* musicia — style.css
   theme: "paper & instrument panel" — warm cream paper, serif editorial voice,
   dark hardware panels for product artifacts. no uppercase, no reveal animations,
   radius 0–2px, single oxide-green accent. */

:root{
  --paper:#F4F0E5;
  --paper-2:#EDE7D8;
  --paper-3:#E5DECC;
  --ink:#1D1A14;
  --ink-2:#3E382E;
  --mut:#665E4E;
  --line:rgba(29,26,20,.18);
  --line-2:rgba(29,26,20,.34);
  --green:#2F5B3D;
  --green-2:#24462F;
  --green-lt:#8FB98F;
  --brass:#8A6A33;
  --night:#171410;
  --night-2:#201C15;
  --night-line:rgba(244,240,229,.16);
  --night-line-2:rgba(244,240,229,.3);
  --night-ink:#F2ECDC;
  --night-mut:#BFB6A0;
  --font-display:"Fraunces", Georgia, "Times New Roman", serif;
  --font-sans:"Instrument Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-mono:"IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0}
h1,h2{font-family:var(--font-display);font-weight:420;letter-spacing:-.014em;line-height:1.07}
h1{font-size:clamp(2.55rem,6.8vw,4.8rem);line-height:1.03}
h2{font-size:clamp(1.72rem,3.5vw,2.55rem);margin-bottom:1rem;max-width:26ch}
h3{font-weight:500;line-height:1.25}
p{margin:0}
em{font-style:italic}
::selection{background:var(--green);color:var(--paper)}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.hero :focus-visible,.section-night :focus-visible,.first-tests :focus-visible,.foot :focus-visible{outline-color:var(--green-lt)}
section[id],div[id]{scroll-margin-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.wrap{max-width:1180px;margin:0 auto;padding-inline:clamp(20px,4vw,44px)}
.wrap-narrow{max-width:900px}

.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:var(--paper);padding:.7rem 1.1rem;font-family:var(--font-mono);font-size:.8rem;text-decoration:none}
.skip:focus{left:0}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line)}
.head-in{position:relative;display:flex;align-items:center;gap:2rem;min-height:64px}
.brand{display:inline-flex;color:var(--ink);transition:color .15s ease}
.brand:hover{color:var(--green)}
.brand svg{display:block}
.nav{margin-left:auto;display:flex;align-items:center;gap:1.7rem;font-size:.94rem}
.nav-link{text-decoration:none;transition:color .15s ease}
.nav-link:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.drop{position:relative}
.drop-btn{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;display:inline-flex;align-items:center;gap:.45rem;transition:color .15s ease}
.drop-btn:hover{color:var(--green)}
.caret{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .15s ease}
.drop.open .caret{transform:rotate(225deg) translateY(-1px)}
.drop-menu{position:absolute;top:calc(100% + 12px);left:-16px;min-width:216px;background:var(--paper);border:1px solid var(--line-2);border-radius:2px;padding:.45rem 0;display:none;z-index:70}
.drop-menu::before{content:"";position:absolute;left:-1px;right:-1px;top:-15px;height:17px}
.drop.open .drop-menu{display:block}
.drop-menu a{display:block;padding:.5rem 1.05rem;text-decoration:none;font-size:.9rem}
.drop-menu a:hover{background:var(--paper-2);color:var(--green)}
@media (hover:hover) and (min-width:881px){
  .drop:hover .drop-menu{display:block}
}
.menu-btn{display:none}
@media (max-width:880px){
  .menu-btn{display:inline-flex;flex-direction:column;gap:5px;margin-left:auto;background:none;border:0;padding:10px 4px;cursor:pointer}
  .menu-btn span{display:block;width:22px;height:2px;background:var(--ink)}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;margin:0;background:var(--paper);border-bottom:1px solid var(--line-2);flex-direction:column;align-items:stretch;gap:0;padding:.4rem 0 .9rem}
  .nav.open{display:flex}
  .nav .drop{width:100%}
  .nav .drop-btn{display:block;width:100%;text-align:left;padding:.75rem clamp(20px,4vw,44px);font-size:1rem}
  .nav .drop-menu{position:static;border:0;padding:0 0 .3rem;min-width:0}
  .nav .drop-menu a{padding:.55rem clamp(20px,4vw,44px) .55rem calc(clamp(20px,4vw,44px) + 1rem)}
  .nav-link{display:block;padding:.75rem clamp(20px,4vw,44px);font-size:1rem}
  .nav .btn-line{margin:.55rem clamp(20px,4vw,44px);align-self:flex-start}
  .caret{display:none}
}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-family:var(--font-sans);font-weight:560;font-size:.95rem;line-height:1;text-decoration:none;padding:.85rem 1.4rem;border:1px solid transparent;border-radius:2px;cursor:pointer;transition:background-color .16s ease,color .16s ease,border-color .16s ease}
.btn-solid{background:var(--green);color:var(--paper)}
.btn-solid:hover{background:var(--green-2)}
.btn-line{border-color:rgba(29,26,20,.45);color:var(--ink);padding:.62rem 1.05rem;font-size:.88rem}
.btn-line:hover{border-color:var(--ink);background:rgba(29,26,20,.06)}
.btn-ghost{border-color:rgba(244,240,229,.62);color:var(--paper)}
.btn-ghost:hover{border-color:var(--paper);background:rgba(244,240,229,.12)}

/* ---------- shared section furniture ---------- */
.section{padding:clamp(68px,8.5vw,116px) 0}
.section-alt{background:var(--paper-2)}
.section-night{background:var(--night);color:var(--night-ink)}
.section-night h2{color:var(--night-ink)}
.kicker{font-family:var(--font-mono);font-size:.78rem;font-weight:400;letter-spacing:.1em;color:var(--mut);margin:0 0 1.15rem}
.kicker-lt{color:var(--night-mut)}
.lede-2{max-width:64ch;color:var(--mut);font-size:1.02rem;margin:0 0 2.5rem}
.section-night .lede-2{color:var(--night-mut)}
.footnote{margin:2.5rem 0 0;color:var(--mut);font-size:.95rem}
.link-arrow{color:var(--green);text-decoration:none;border-bottom:1px solid rgba(47,91,61,.6);padding-bottom:1px;font-weight:560}
.link-arrow:hover{border-bottom-color:var(--green)}
.link-arrow::after{content:" \2192"}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#12100b;color:var(--paper)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,11,8,.5) 0%,rgba(13,11,8,.22) 48%,rgba(13,11,8,0) 76%),linear-gradient(180deg,rgba(13,11,8,.93) 0%,rgba(13,11,8,.64) 40%,rgba(13,11,8,.4) 62%,rgba(13,11,8,.82) 100%)}
.hero-in{position:relative;display:flex;flex-direction:column;align-items:flex-start;padding-top:clamp(92px,16vh,180px);padding-bottom:clamp(56px,9vh,92px);min-height:min(88vh,840px);text-shadow:0 1px 28px rgba(10,8,6,.55)}
.hero h1{color:var(--paper);max-width:18ch}
.hero h1 em{font-weight:380}
.lede{max-width:56ch;font-size:1.06rem;line-height:1.6;color:rgba(244,240,229,.91);margin:1.1rem 0 1.5rem}
.hero-status{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;color:rgba(244,240,229,.88);background:rgba(16,13,9,.55);border:1px solid rgba(244,240,229,.32);border-radius:2px;padding:.45rem .8rem;margin:0}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green-lt);flex:none}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.5rem 0 0}
.hero .btn-solid{background:var(--paper);color:var(--ink)}
.hero .btn-solid:hover{background:var(--green);color:var(--paper)}
.hero-trust{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.05em;color:rgba(244,240,229,.74);margin:2.1rem 0 0}

/* ---------- manifesto ---------- */
.manifesto-grid{display:grid;grid-template-columns:1.5fr .85fr;gap:clamp(28px,5vw,76px);align-items:start}
.manifesto-main>p{max-width:62ch;color:var(--ink-2);margin-bottom:1.2rem}
.manifesto-main .big{font-family:var(--font-display);font-weight:420;font-size:clamp(1.34rem,2.1vw,1.7rem);line-height:1.38;color:var(--ink);max-width:40ch;margin-bottom:1.4rem;letter-spacing:-.008em}
.manifesto-notes{border-left:1px solid var(--line);padding-left:clamp(18px,2.4vw,34px);display:grid;gap:1.6rem;margin-top:.4rem}
.note{font-size:.9rem;color:var(--mut);margin:0;line-height:1.62}
.note span{display:block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;color:var(--green);margin-bottom:.35rem}
.section-night .note span{color:var(--green-lt)}

/* ---------- media bands ---------- */
.band{position:relative;overflow:hidden;background:#100e0a;color:var(--paper);min-height:clamp(320px,44vw,520px);display:flex;align-items:flex-end}
.band>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,10,7,.52) 0%,rgba(12,10,7,.2) 48%,rgba(12,10,7,0) 74%),linear-gradient(180deg,rgba(12,10,7,.4) 0%,rgba(12,10,7,.16) 40%,rgba(12,10,7,.66) 74%,rgba(12,10,7,.9) 100%)}
.band-in{position:relative;padding-top:clamp(60px,10vw,124px);padding-bottom:clamp(28px,4.6vw,56px);text-shadow:0 1px 28px rgba(10,8,6,.6)}
.band-line{font-family:var(--font-display);font-weight:420;font-size:clamp(1.38rem,2.6vw,2rem);line-height:1.16;letter-spacing:-.01em;max-width:36ch;margin:0;color:var(--paper)}

/* ---------- how it works ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3.2vw,48px)}
.steps li{border-top:1px solid var(--line-2);padding-top:1.25rem;min-width:0}
.step-no{display:block;font-family:var(--font-mono);font-size:.8rem;letter-spacing:.12em;color:var(--green);margin-bottom:.95rem}
.steps h3{font-family:var(--font-display);font-size:1.32rem;margin-bottom:.55rem}
.steps p{color:var(--ink-2);font-size:.98rem;max-width:40ch}

/* ---------- studio / interface study ---------- */
.ui{background:var(--night);color:var(--night-ink);border:1px solid var(--night-line-2);border-radius:2px;overflow:hidden;margin-top:.4rem}
.ui-top{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.78rem 1.15rem;border-bottom:1px solid var(--night-line)}
.ui-title{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em}
.ui-state{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;color:var(--night-mut)}
.ui-grid{display:grid;grid-template-columns:1.02fr 1.5fr 1.02fr}
.ui-col{padding:1.25rem 1.15rem 1.5rem;border-right:1px solid var(--night-line);min-width:0}
.ui-col:last-child{border-right:0}
.ui-label{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;color:var(--night-mut);margin:0 0 .65rem}
.ui-prompt{font-size:.95rem;line-height:1.5;border:1px solid var(--night-line-2);border-radius:2px;padding:.7rem .8rem;background:rgba(244,240,229,.03);min-height:66px}
.ui-caret{display:inline-block;width:2px;height:1em;background:var(--green-lt);margin-left:3px;vertical-align:-2px}
.ui-chips{display:flex;flex-wrap:wrap;gap:.4rem;margin:.7rem 0 1.25rem}
.ui-chips span{font-family:var(--font-mono);font-size:.69rem;letter-spacing:.05em;color:var(--night-mut);border:1px solid var(--night-line);border-radius:2px;padding:.24rem .52rem}
.ui-vars{display:grid;gap:.5rem}
.ui-vars p{margin:0;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.03em;color:var(--night-mut)}
.ui-graph{display:flex;gap:.55rem;margin-bottom:1.3rem}
.ui-block{position:relative;flex:1;min-width:0;border:1px solid var(--night-line-2);border-radius:2px;padding:.55rem .6rem;background:rgba(244,240,229,.03);display:grid;gap:.32rem}
.ui-block span{font-family:var(--font-mono);font-size:.71rem;letter-spacing:.03em;color:var(--night-ink)}
.ui-block em{font-style:normal;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.02em;color:var(--night-mut)}
.ui-block:not(:last-child)::after{content:"";position:absolute;top:50%;right:-.56rem;width:.56rem;height:1px;background:var(--night-line-2)}
.ui-params{display:grid;gap:.6rem}
.ui-row{display:grid;grid-template-columns:56px 1fr 46px;gap:.65rem;align-items:center;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.03em;color:var(--night-mut)}
.ui-track{display:block;height:4px;background:rgba(244,240,229,.14);border-radius:999px;position:relative}
.ui-track b{position:absolute;top:0;left:0;bottom:0;background:var(--green-lt);border-radius:999px}
.ui-row em{font-style:normal;text-align:right;color:var(--night-ink)}
.ui-tune{margin-bottom:1.3rem}
.ui-rail{display:flex;gap:4px;margin-bottom:.55rem}
.ui-rail span{flex:1;height:24px;border:1px solid var(--night-line);border-radius:2px}
.ui-rail span.on{background:rgba(143,185,143,.22);border-color:var(--green-lt)}
.ui-tuneline{display:flex;justify-content:space-between;gap:1rem;font-family:var(--font-mono);font-size:.65rem;letter-spacing:.02em;color:var(--night-mut);margin:0}
.ui-tuneline em{font-style:normal}
.ui-keys{position:relative;display:flex;height:78px;border-top:1px solid var(--night-line);background:rgba(244,240,229,.02)}
.ui-keys .kw{flex:1;border-right:1px solid rgba(244,240,229,.09)}
.ui-keys .kw:last-child{border-right:0}
.ui-keys .kb{position:absolute;top:0;width:2.4%;height:58%;background:#0b0a07;border:1px solid rgba(244,240,229,.2);border-bottom-left-radius:2px;border-bottom-right-radius:2px;transform:translateX(-50%)}
.fig-caption{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.04em;line-height:1.7;color:var(--mut);margin:1.05rem 0 0;max-width:78ch}
.section-night .fig-caption{color:var(--night-mut)}
.annotations{display:grid;grid-template-columns:repeat(2,1fr);gap:1.3rem 2.6rem;margin-top:2.6rem}
@media (min-width:1080px){.annotations{grid-template-columns:repeat(4,1fr)}}

/* ---------- engine / spec ---------- */
.spec{border-top:1px solid var(--line-2)}
.spec-row{display:grid;grid-template-columns:178px 1fr;gap:2rem;padding:1.55rem 0;border-bottom:1px solid var(--line)}
.spec-tag{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.12em;color:var(--green);padding-top:.4rem}
.spec-row h3{font-family:var(--font-display);font-size:1.28rem;margin-bottom:.45rem}
.spec-row p{color:var(--ink-2);font-size:.98rem;max-width:68ch}

/* ---------- tuning ---------- */
.tuning-grid{display:grid;grid-template-columns:1.12fr .95fr;gap:clamp(28px,4.5vw,68px);align-items:start}
.tuning-copy p{color:var(--night-mut);font-size:1rem;max-width:56ch;margin-bottom:1.2rem}
.tuning-copy p:first-child{color:#DFD7C2}
.ruler{width:100%;height:auto;color:var(--night-mut);margin-top:.3rem}
.tuning-fig .fig-caption{margin-top:.7rem}

/* ---------- demo console ---------- */
.console{background:var(--night);color:var(--night-ink);border:1px solid var(--night-line-2);border-radius:2px;overflow:hidden;margin-top:.5rem}
.console-top{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.78rem 1.25rem;border-bottom:1px solid var(--night-line)}
.console-body{padding:1.35rem 1.25rem 1.55rem}
.console-voices{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.15rem}
.voice{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.05em;color:var(--night-ink);background:rgba(244,240,229,.06);border:1px solid rgba(244,240,229,.42);border-radius:2px;padding:.6rem 1.05rem;cursor:pointer;transition:color .15s ease,border-color .15s ease,background-color .15s ease}
.voice:hover{color:var(--paper);border-color:var(--paper);background:rgba(244,240,229,.13)}
.voice-on{background:rgba(143,185,143,.26);border-color:var(--green-lt);color:var(--paper)}
.scope{display:block;width:100%;height:138px;background:rgba(244,240,229,.03);border:1px solid var(--night-line);border-radius:2px}
.console-note{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.03em;line-height:1.7;color:var(--night-mut);margin:.85rem 0 0}

/* ---------- atlas ---------- */
.atlas-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-2);border-left:1px solid var(--line-2);margin-top:.4rem}
.atlas-card{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:1.6rem 1.5rem 1.7rem;min-width:0}
.atlas-no{display:block;font-family:var(--font-mono);font-size:.78rem;color:var(--mut);margin-bottom:1.05rem}
.atlas-card h3{font-family:var(--font-display);font-size:1.34rem;margin-bottom:.5rem}
.atlas-card p{color:var(--ink-2);font-size:.95rem}
.mono-note{font-family:var(--font-mono) !important;font-size:.72rem !important;letter-spacing:.09em;color:var(--green) !important;margin-top:1rem}

/* ---------- build / phases ---------- */
.phases{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-2)}
.phases li{display:grid;grid-template-columns:104px 190px 1fr;gap:1.2rem;align-items:center;padding:1.1rem 0;border-bottom:1px solid var(--line)}
.chip{justify-self:start;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;border:1px solid;border-radius:2px;padding:.3rem .58rem;white-space:nowrap}
.chip-done{color:var(--green);border-color:rgba(47,91,61,.45);background:rgba(47,91,61,.08)}
.chip-wip{color:#7A5A26;border-color:rgba(122,90,38,.55);background:rgba(138,106,51,.08)}
.chip-plan{color:var(--mut);border-color:var(--line-2)}
.ph-name{font-family:var(--font-display);font-size:1.14rem;font-weight:480}
.ph-note{color:var(--mut);font-size:.93rem}

/* ---------- questions ---------- */
.qa{margin-top:1.9rem;border-top:1px solid var(--line-2)}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;position:relative;padding:1.18rem 2.4rem 1.18rem 0;font-family:var(--font-display);font-size:1.13rem;font-weight:460;transition:color .15s ease}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:.25rem;top:50%;transform:translateY(-50%);font-family:var(--font-mono);font-size:1.3rem;font-weight:500;color:var(--green)}
.qa details[open] summary::after{content:"-"}
.qa details[open] summary{color:var(--green)}
.qa summary:hover{color:var(--green);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.qa details p{margin:0 0 1.3rem;color:var(--ink-2);max-width:72ch;font-size:.97rem}

/* ---------- first tests ---------- */
.first-tests{position:relative;overflow:hidden;background:#0f0d09;color:var(--night-ink);padding:clamp(76px,9vw,124px) 0}
.ft-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ft-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,8,6,.9) 0%,rgba(10,8,6,.74) 55%,rgba(10,8,6,.93) 100%)}
.ft-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,76px);align-items:start}
.ft-copy h2{color:var(--paper);margin-bottom:.9rem}
.ft-copy p{color:var(--night-mut);max-width:47ch}
.ft-form{background:rgba(23,20,16,.93);border:1px solid var(--night-line-2);border-radius:2px;padding:clamp(20px,2.6vw,32px)}
.ft-form label{display:block;font-family:var(--font-mono);font-size:.73rem;letter-spacing:.1em;color:var(--night-mut);margin:0 0 .5rem}
.ft-form label:not(:first-of-type){margin-top:1.15rem}
.opt{color:rgba(183,174,151,.6);letter-spacing:.04em}
.ft-form input,.ft-form textarea{display:block;width:100%;background:rgba(244,240,229,.05);border:1px solid rgba(244,240,229,.38);border-radius:2px;color:var(--night-ink);font-family:var(--font-sans);font-size:.95rem;line-height:1.5;padding:.72rem .85rem;resize:vertical}
.ft-form input::placeholder,.ft-form textarea::placeholder{color:rgba(206,198,178,.85)}
.ft-form input:focus-visible,.ft-form textarea:focus-visible{border-color:var(--green-lt)}
.ft-form .btn{width:100%;margin-top:1.35rem;text-align:center}
.ft-form .btn-solid{background:var(--paper);color:var(--ink)}
.ft-form .btn-solid:hover{background:var(--green);color:var(--paper)}
.form-note{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.03em;line-height:1.7;color:#C6BDA7;margin:1.05rem 0 0}
.form-note.ok{color:var(--green-lt)}

/* ---------- footer ---------- */
.foot{background:var(--night);color:var(--night-ink);padding:clamp(56px,7vw,92px) 0 2.6rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2.4rem;padding-bottom:2.7rem;border-bottom:1px solid var(--night-line)}
.foot-brand svg{color:var(--green-lt)}
.foot-word{font-family:var(--font-display);font-size:1.55rem;font-weight:460;margin:.75rem 0 .25rem}
.foot-tag{color:var(--night-mut);font-size:.93rem}
.foot-col{display:grid;gap:.58rem;align-content:start}
.fhead{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;color:var(--night-mut);margin:0 0 .35rem}
.foot-col a{color:var(--night-ink);text-decoration:none;font-size:.92rem;width:fit-content;transition:color .15s ease}
.foot-col a:hover{color:var(--green-lt);text-decoration:underline;text-underline-offset:3px}
.foot-base{padding-top:1.7rem;display:grid;gap:.55rem}
.foot-base p{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.03em;line-height:1.75;color:rgba(183,174,151,.78);margin:0}

/* ---------- development page ---------- */
.dev-head{padding:clamp(64px,9vw,110px) 0 clamp(44px,5.5vw,64px)}
.dev-head h1{max-width:20ch}
.dev-head .lede-2{font-size:1.07rem;max-width:64ch;margin-bottom:1.9rem}
.dev-status{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;color:var(--ink-2);border:1px solid var(--line-2);border-radius:2px;padding:.45rem .8rem;margin:0}
.dev-status .dot{background:var(--green)}
.lede-ink{color:var(--ink-2)}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,60px);align-items:start}
.cols2 h3{font-family:var(--font-display);font-size:1.3rem;margin-bottom:.9rem}
.ledger-list{list-style:none;margin:0;padding:0;display:grid;gap:.75rem}
.ledger-list li{position:relative;padding-left:1.6rem;color:var(--ink-2);font-size:.97rem;max-width:56ch}
.ledger-list li::before{content:"\2014";position:absolute;left:0;color:var(--green);font-family:var(--font-mono)}
.road{border-top:1px solid var(--line-2);margin-top:.4rem}
.road-row{display:grid;grid-template-columns:210px 118px 1fr;gap:1.3rem;align-items:baseline;padding:1.2rem 0;border-bottom:1px solid var(--line)}
.road-name{font-family:var(--font-display);font-size:1.14rem;font-weight:480}
.road-desc{color:var(--mut);font-size:.94rem}
.log{border-top:1px solid var(--line-2);margin-top:.4rem}
.log-item{display:grid;grid-template-columns:176px 1fr;gap:1.7rem;padding:1.7rem 0;border-bottom:1px solid var(--line)}
.log-date{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;color:var(--green);margin:0;padding-top:.4rem;white-space:nowrap}
.log-item h3{font-family:var(--font-display);font-size:1.24rem;margin-bottom:.5rem}
.log-item p{color:var(--ink-2);font-size:.97rem;max-width:70ch}
.next-cta{margin-top:1.9rem;display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}
.section-night .btn-solid{background:var(--paper);color:var(--ink)}
.section-night .btn-solid:hover{background:var(--green);color:var(--paper)}
.section-night .btn-ghost{border-color:var(--night-line-2);color:var(--night-ink)}
.section-night .btn-ghost:hover{border-color:var(--night-ink);background:rgba(244,240,229,.06)}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .ui-grid{grid-template-columns:1fr}
  .ui-col{border-right:0;border-bottom:1px solid var(--night-line)}
  .ui-col:last-child{border-bottom:0}
  .ui-graph{flex-wrap:wrap}
  .ui-block{flex:1 1 44%}
  .ui-block:not(:last-child)::after{display:none}
  .spec-row{grid-template-columns:1fr;gap:.55rem}
  .tuning-grid{grid-template-columns:1fr}
  .manifesto-grid{grid-template-columns:1fr}
  .manifesto-notes{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:1.5rem}
  .ft-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .annotations{grid-template-columns:1fr 1fr}
  .cols2{grid-template-columns:1fr}
}
@media (max-width:760px){
  .steps{grid-template-columns:1fr;gap:2.1rem}
  .atlas-grid{grid-template-columns:1fr 1fr}
  .annotations{grid-template-columns:1fr}
  .phases li{grid-template-columns:1fr;gap:.4rem}
  .road-row{grid-template-columns:1fr;gap:.4rem}
  .log-item{grid-template-columns:1fr;gap:.6rem}
  .log-date{padding-top:0}
  .foot-grid{grid-template-columns:1fr}
  .hero-in{min-height:0}
}
@media (max-width:560px){
  .atlas-grid{grid-template-columns:1fr}
  body{font-size:16.5px}
}

/* ---------- v2: multi-page additions ---------- */
.page-head{padding:clamp(64px,9vw,110px) 0 clamp(40px,5vw,58px)}
.page-head h1{max-width:22ch}
.page-head .lede-2{font-size:1.07rem;max-width:64ch;margin-bottom:0}
.section-night h1{margin-bottom:.75rem}
.btn-sm{padding:.58rem 1rem;font-size:.86rem}

.explore{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.4vw,28px);margin-top:.4rem}
.explore-card{display:block;border:1px solid var(--line-2);border-radius:2px;padding:clamp(20px,2.6vw,32px);text-decoration:none;background:var(--paper);transition:border-color .15s ease,background-color .15s ease}
.explore-card:hover{border-color:var(--ink);background:#FBF8EE}
.explore-card .kicker{margin-bottom:.75rem}
.explore-card h3{font-family:var(--font-display);font-weight:470;font-size:clamp(1.22rem,1.9vw,1.5rem);line-height:1.2;margin-bottom:.55rem}
.explore-card p{color:var(--ink-2);font-size:.95rem;margin-bottom:1.1rem;max-width:44ch}
.explore-card .link-arrow{font-weight:560}

.loop{border-top:1px solid var(--line-2);margin-top:.4rem}
.loop-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px);align-items:center;padding:clamp(26px,3.6vw,46px) 0;border-bottom:1px solid var(--line)}
.loop-txt .step-no{margin-bottom:.7rem}
.loop-txt h3{font-family:var(--font-display);font-size:clamp(1.3rem,2.2vw,1.5rem);font-weight:500;margin-bottom:.5rem}
.loop-txt p{color:var(--ink-2);font-size:.98rem;max-width:46ch;margin:0}
.loop-row.rev .loop-panel{order:-1}
.patch-card{background:var(--night);color:var(--night-ink);border:1px solid var(--night-line-2);border-radius:2px;padding:1.15rem 1.2rem 1.25rem;max-width:470px}
.pc-title{font-family:var(--font-display);font-weight:460;font-size:1.08rem;line-height:1.3;margin:.15rem 0 .9rem;color:var(--night-ink)}
.patch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,24px);margin-top:.4rem}

.scale-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,24px);margin-top:.4rem}
.scale-card{border:1px solid var(--line-2);border-radius:2px;padding:1.35rem 1.35rem 1.45rem}
.scale-card h3{font-family:var(--font-display);font-size:1.32rem;font-weight:500;margin-bottom:.5rem}
.scale-card p{color:var(--ink-2);font-size:.94rem}
.scale-card .mono-note{margin-top:.9rem}

.c-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4.5vw,76px);align-items:start}
.c-mail{font-family:var(--font-display);font-weight:440;font-size:clamp(1.35rem,2.6vw,1.95rem);margin:.2rem 0 1.5rem}
.c-mail a{text-decoration:none;border-bottom:1px solid rgba(47,91,61,.5);padding-bottom:2px;transition:color .15s ease,border-color .15s ease}
.c-mail a:hover{color:var(--green);border-bottom-color:var(--green)}
.c-direct .kicker{margin-bottom:1rem}
.c-direct .ledger-list{margin:0 0 1.6rem}
.c-form{background:#FBF8EE;border:1px solid var(--line-2);border-radius:2px;padding:clamp(20px,2.6vw,32px)}
.c-form label{display:block;font-family:var(--font-mono);font-size:.73rem;letter-spacing:.1em;color:var(--mut);margin:0 0 .5rem}
.c-form label:not(:first-of-type){margin-top:1.1rem}
.c-form input,.c-form select,.c-form textarea{display:block;width:100%;background:#FFFDF6;border:1px solid rgba(29,26,20,.38);border-radius:2px;color:var(--ink);font-family:var(--font-sans);font-size:.95rem;line-height:1.5;padding:.7rem .85rem}
.c-form select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--mut) 50%),linear-gradient(135deg,var(--mut) 50%,transparent 50%);background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;background-size:5px 5px;background-repeat:no-repeat}
.c-form textarea{resize:vertical}
.c-form .btn{width:100%;margin-top:1.35rem;text-align:center}
.c-form .form-note{color:var(--mut)}
.c-form .form-note.ok{color:var(--green)}

@media (max-width:1020px){
  .loop-row{grid-template-columns:1fr;gap:1.4rem}
  .loop-row.rev .loop-panel{order:0}
  .explore{grid-template-columns:1fr}
  .c-grid{grid-template-columns:1fr}
  .patch-card{max-width:none}
}
@media (max-width:760px){
  .patch-grid,.scale-grid{grid-template-columns:1fr}
}