/* ══════════════════════════════════════════════════════════════
   0.01 — pointzeroone.ai
   warm paper. ink. one accent. everything painted by the same hand.
   ══════════════════════════════════════════════════════════════ */

:root{
  --paper:      #FAF7F0;
  --paper-2:    #F3EEE4;
  --paper-3:    #EBE4D6;
  --ink:        #1B1917;
  --ink-soft:   #4A4540;
  --muted:      #8C857A;
  --line:       rgba(27,25,23,.12);

  --clay:       #C0603D;
  --clay-soft:  #E4C3B2;
  --sage:       #6E8B72;
  --sage-soft:  #C6D2C2;
  --gold:       #B8894A;
  --gold-soft:  #E7D8B8;

  --display: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --body:    'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --gutter: clamp(1.5rem, 5vw, 4rem);
  --col:    38rem;
  --wide:   74rem;

  --ease: cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-weight:300;
  font-size:clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height:1.75;
  letter-spacing:.005em;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4,p,a,li,button,input,label,figcaption,span,blockquote{ text-transform:lowercase; }
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

/* ── paper grain ───────────────────────────────────────────── */
/* an svg is a replaced element — without an explicit size it falls back to
   300x150 and parks itself in the corner. it must be told to fill the page. */
.grain{
  position:fixed; inset:0; z-index:9999;
  width:100%; height:100%;
  pointer-events:none; opacity:.14; mix-blend-mode:multiply;
}

/* ── layout ────────────────────────────────────────────────── */
.wrap{ width:100%; max-width:var(--wide); margin-inline:auto; padding-inline:var(--gutter); }
.col { width:100%; max-width:var(--col);  margin-inline:auto; }
.col-l{ width:100%; max-width:var(--col); margin-inline:0; }
section{ position:relative; }
.band{ padding:clamp(4.5rem,10vw,8.5rem) 0; }
.band-tight{ padding:clamp(3rem,6vw,5.5rem) 0; }
.sec-head{ margin-bottom:clamp(2.5rem,5vw,4rem); }

/* ── type ──────────────────────────────────────────────────── */
.display{
  font-family:var(--display); font-weight:400;
  line-height:1.03; letter-spacing:-.018em; margin:0;
}
h1.display{ font-size:clamp(2.8rem, 1.3rem + 6.4vw, 6.4rem); }
h2.display{ font-size:clamp(2rem, 1.25rem + 3.1vw, 3.4rem); line-height:1.09; }
h3.display{ font-size:clamp(1.45rem, 1.2rem + 1.1vw, 1.95rem); line-height:1.16; }
.ital{ font-style:italic; }

.overline{
  font-family:var(--mono); font-size:.6875rem; font-weight:400;
  letter-spacing:.22em; color:var(--muted); margin:0 0 1.5rem;
}
.overline .dot{ color:var(--clay); }

.lede{ font-size:clamp(1.05rem,1rem + .35vw,1.24rem); line-height:1.68; color:var(--ink-soft); }
p{ margin:0 0 1.35em; max-width:34em; }
.soft{ color:var(--ink-soft); }
.quiet{ color:var(--muted); }
.center{ text-align:center; }
.center p{ margin-inline:auto; }

.quote{
  font-family:var(--display); font-style:italic;
  font-size:clamp(1.35rem,1.05rem + 1.5vw,2.05rem);
  line-height:1.35; letter-spacing:-.01em; max-width:22em; margin:0;
}

/* painted section numeral */
.numeral{
  font-family:var(--display); font-size:clamp(3rem,6vw,4.6rem);
  line-height:1; color:var(--paper-3); margin:0 0 -.4em;
  user-select:none;
}

/* ── nav ───────────────────────────────────────────────────── */
.nav{
  position:sticky; top:0; z-index:80;
  background:rgba(250,247,240,.86);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid transparent; transition:border-color .5s ease;
}
.nav.stuck{ border-bottom-color:var(--line); }
.nav-in{ display:flex; align-items:center; justify-content:space-between; gap:1.5rem; height:4.5rem; }
.mark{ display:inline-flex; align-items:baseline; gap:.42rem; font-family:var(--display); font-size:1.4rem; letter-spacing:-.02em; }
.mark .pip{ width:5px; height:5px; border-radius:50%; background:var(--clay); display:inline-block; transform:translateY(-.55rem); }
.nav-links{ display:flex; gap:2rem; font-size:.875rem; color:var(--ink-soft); }
.nav-links a{ position:relative; padding-bottom:3px; }
.nav-links a::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--ink); border-radius:2px;
  transform:scaleX(0); transform-origin:left; transition:transform .45s var(--ease);
}
.nav-links a:hover::after{ transform:scaleX(1); }
.nav-links a.here{ color:var(--ink); }
.nav-links a.here::after{ transform:scaleX(1); background:var(--clay); }
@media (max-width:760px){ .nav-links{ gap:1.05rem; font-size:.8125rem; } .nav-in{ height:4rem; } }
@media (max-width:400px){ .nav-links{ gap:.85rem; font-size:.75rem; } }

/* ── brushwork ─────────────────────────────────────────────── */
/* .ink declares the centreline and how hard the brush is pressed.
   app.js then rebuilds each one as a tapered filled ribbon — the swell,
   the lift-off and the ragged edge are all geometry, so nothing rasterises. */
.ink{
  fill:none; stroke:var(--ink); stroke-width:5.6;
  stroke-linecap:round; stroke-linejoin:round;
  shape-rendering:geometricPrecision;
}
.ink-thin{ stroke-width:3.6; }
.ink-fat{ stroke-width:10; }
.ink-solid{ fill:var(--ink); stroke:none; shape-rendering:geometricPrecision; }

/* what a stroke becomes once the brush has been through it */
.brush{ stroke:none; shape-rendering:geometricPrecision; }
.ink-clay{ stroke:var(--clay); }
.ink-sage{ stroke:var(--sage); }
.ink-gold{ stroke:var(--gold); }
.fill-clay{ fill:var(--clay); }
.fill-sage{ fill:var(--sage-soft); }
.fill-gold{ fill:var(--gold-soft); }
.fill-paper3{ fill:var(--paper-3); }

/* painted washes — big soft colour behind content.
   css blur renders at device resolution, so no blocky edges */
.wash{ position:absolute; z-index:-1; pointer-events:none; opacity:.5; filter:blur(28px); }
.wash svg{ width:100%; height:100%; }

/* full-width brush divider, injected by app.js */
.brush-rule{ width:100%; line-height:0; opacity:.85; }
.brush-rule svg{ width:100%; height:auto; }

/* hand-painted sweep beneath a heading */
.sweep{ display:block; margin-top:.3rem; line-height:0; }
.sweep svg{ height:auto; }
.sweep path{ fill:var(--clay); opacity:.82; shape-rendering:geometricPrecision; }
.sweep.sage path{ fill:var(--sage); }
.sweep.gold path{ fill:var(--gold); }
.sweep.ink path{ fill:var(--ink); opacity:.9; }
.center .sweep svg{ margin-inline:auto; }

/* stray flecks of ink */
.flecks{ position:absolute; inset:0; z-index:-1; pointer-events:none; opacity:.5; }

/* ── page hero ─────────────────────────────────────────────── */
.page-hero{ padding:clamp(3.5rem,8vw,7rem) 0 clamp(2rem,4vw,3.5rem); }
.page-art{ margin-top:clamp(2rem,5vw,3.5rem); }
.page-art svg{ width:100%; height:auto; }

/* ── tiles ─────────────────────────────────────────────────── */
.tiles{ display:grid; gap:clamp(1rem,2.4vw,1.75rem); grid-template-columns:repeat(3,minmax(0,1fr)); }
.tiles-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.tiles-4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
@media (max-width:900px){ .tiles,.tiles-2,.tiles-4{ grid-template-columns:1fr 1fr; } }
@media (max-width:580px){ .tiles,.tiles-2,.tiles-4{ grid-template-columns:1fr; } }

.tile{
  display:block; border:1px solid var(--line); border-radius:14px;
  overflow:hidden; background:var(--paper);
  transition:transform .6s var(--ease), box-shadow .6s ease, border-color .6s ease;
}
.tile:hover{ transform:translateY(-4px); box-shadow:0 18px 40px -28px rgba(27,25,23,.42); border-color:rgba(27,25,23,.22); }
.tile-art{ aspect-ratio:4/3; display:grid; place-items:center; padding:1.8rem; }
.tile-art svg{ width:min(62%,168px); height:auto; }
.tile-art.tall{ aspect-ratio:4/5; }

/* real work, photographed — mounted whole on paper, never cropped */
.tile-art.photo{
  background:var(--paper-2);
  padding:clamp(.9rem,2.2vw,1.5rem);
  display:grid; place-items:center; overflow:hidden;
  cursor:zoom-in; position:relative;
}
.tile-art.photo img{
  max-width:100%; max-height:100%; width:auto; height:auto;
  object-fit:contain; border:1px solid var(--line);
  transition:transform 1.1s var(--ease);
}
.tile:hover .tile-art.photo img{ transform:scale(1.022); }

.tile-art.photo::after{
  content:'click to enlarge';
  position:absolute; left:0; right:0; bottom:.55rem;
  font-family:var(--mono); font-size:.5625rem; letter-spacing:.18em;
  color:var(--muted); text-align:center;
  opacity:0; transition:opacity .5s var(--ease);
}
.tile:hover .tile-art.photo::after{ opacity:1; }

/* ── the full view ─────────────────────────────────────────── */
.lightbox{
  position:fixed; inset:0; z-index:400;
  background:rgba(250,247,240,.97);
  backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
  display:grid; place-items:center;
  padding:clamp(3.5rem,7vw,5rem) clamp(1.25rem,5vw,4rem);
  opacity:0; pointer-events:none; transition:opacity .55s var(--ease);
}
.lightbox.open{ opacity:1; pointer-events:auto; }
.lightbox figure{
  margin:0; display:flex; flex-direction:column; align-items:center;
  gap:1.5rem; max-width:min(100%,60rem); max-height:100%;
}
.lightbox img{
  max-width:100%; max-height:74vh; width:auto; height:auto;
  object-fit:contain; border:1px solid var(--line);
}
.lightbox figcaption{
  font-family:var(--display); font-size:clamp(1.2rem,1rem + .8vw,1.7rem);
  line-height:1.3; text-align:center; color:var(--ink);
}
.lightbox figcaption span{
  display:block; font-family:var(--body); font-size:.9375rem;
  font-weight:300; color:var(--ink-soft); margin-top:.5rem; max-width:32em;
}
.lightbox-close{
  position:absolute; top:clamp(1rem,3vw,2rem); right:clamp(1rem,3vw,2rem);
  font-family:var(--mono); font-size:.6875rem; letter-spacing:.18em;
  color:var(--ink-soft); background:none; border:0;
  border-bottom:1px solid var(--line); padding:.2rem 0; cursor:pointer;
  transition:border-color .4s ease, color .4s ease;
}
.lightbox-close:hover{ color:var(--ink); border-color:var(--ink); }
body.held{ overflow:hidden; }
.art-clay{ background:var(--clay-soft); }
.art-sage{ background:var(--sage-soft); }
.art-gold{ background:var(--gold-soft); }
.art-plain{ background:var(--paper-2); }

.tile-body{ padding:1.3rem 1.4rem 1.55rem; }
.tile-body h3{ font-family:var(--display); font-size:1.28rem; font-weight:400; letter-spacing:-.01em; margin:0 0 .45rem; line-height:1.2; }
.tile-body p{ font-size:.9375rem; line-height:1.65; color:var(--ink-soft); margin:0; }
.tile-more{ display:inline-block; font-family:var(--mono); font-size:.6875rem; letter-spacing:.14em; color:var(--clay); margin-top:1rem; }

.tag{
  display:inline-block; font-family:var(--mono); font-size:.625rem;
  letter-spacing:.16em; color:var(--muted);
  border:1px solid var(--line); border-radius:999px;
  padding:.26rem .62rem; margin-bottom:.85rem;
}
.tag.live{ color:var(--sage); border-color:rgba(110,139,114,.42); }
.tag.making{ color:var(--clay); border-color:rgba(192,96,61,.34); }

/* ── panels ────────────────────────────────────────────────── */
.panel{ border:1px solid var(--line); border-radius:18px; background:var(--paper-2); padding:clamp(1.8rem,4.5vw,3.4rem); }
.panel-plain{ background:var(--paper-2); border-radius:20px; padding:clamp(2rem,5vw,4.2rem); border:0; }

.split{ display:grid; gap:clamp(2rem,5vw,4.5rem); grid-template-columns:minmax(0,1fr) minmax(0,1.25fr); align-items:center; }
.split-a{ grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr); }
.split-b{ grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr); }
.split-even{ grid-template-columns:minmax(0,1fr) minmax(0,1fr); align-items:start; }
@media (max-width:820px){
  .split,.split-a,.split-b,.split-even{ grid-template-columns:1fr; }
  .split > div:first-child > svg,
  .split-a > div:first-child > svg,
  .split-b > div:first-child > svg{ margin-inline:auto; }
}

/* ── lists ─────────────────────────────────────────────────── */
.topics{
  list-style:none; padding:0; margin:1.8rem 0 0;
  display:grid; gap:.45rem .6rem;
  grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));
  font-size:.9375rem; color:var(--ink-soft);
}
.topics li{ display:flex; gap:.7rem; align-items:baseline; }
.topics li::before{ content:''; width:15px; height:3px; background:var(--clay); border-radius:3px; flex:none; transform:translateY(-4px); opacity:.6; }

.notes{ list-style:none; padding:0; margin:0; }
.notes li{ padding:1.15rem 0; border-bottom:1px solid var(--line); display:flex; gap:1.4rem; align-items:baseline; }
.notes li:first-child{ border-top:1px solid var(--line); }
.notes .n{ font-family:var(--mono); font-size:.6875rem; letter-spacing:.14em; color:var(--muted); flex:none; width:2.5rem; }
.notes .t{ font-size:1rem; color:var(--ink); }
.notes .d{ font-size:.9375rem; color:var(--muted); margin-left:auto; text-align:right; flex:none; }
@media (max-width:560px){ .notes li{ flex-wrap:wrap; gap:.4rem 1rem; } .notes .d{ margin-left:0; text-align:left; width:100%; } }

/* ── forms + links ─────────────────────────────────────────── */
.signup{ display:flex; gap:.6rem; margin:2rem 0 .9rem; flex-wrap:wrap; }
.signup input{
  flex:1 1 15rem; min-width:0;
  font-family:var(--body); font-size:.9375rem; font-weight:300; color:var(--ink);
  background:var(--paper); border:1px solid var(--line); border-radius:10px;
  padding:.85rem 1rem; outline:none; transition:border-color .4s ease, box-shadow .4s ease;
}
.signup input::placeholder{ color:var(--muted); }
.signup input:focus{ border-color:var(--ink); box-shadow:0 0 0 3px rgba(27,25,23,.06); }

.btn{
  font-family:var(--body); font-size:.9375rem; font-weight:400;
  background:var(--ink); color:var(--paper);
  border:1px solid var(--ink); border-radius:10px;
  padding:.85rem 1.5rem; cursor:pointer;
  transition:opacity .4s ease, transform .4s var(--ease);
}
.btn:hover{ opacity:.86; transform:translateY(-1px); }
.btn-quiet{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-quiet:hover{ border-color:var(--ink); }

.link{
  display:inline-flex; align-items:center; gap:.5rem; font-size:.9375rem;
  border-bottom:1px solid var(--line); padding-bottom:2px;
  transition:border-color .45s ease, gap .45s var(--ease);
}
.link:hover{ border-color:var(--ink); gap:.75rem; }
.link .arw{ font-family:var(--mono); font-size:.8em; color:var(--clay); }
.links-row{ display:flex; flex-wrap:wrap; gap:1.2rem 2rem; align-items:center; margin-top:1.6rem; }

/* ── footer ────────────────────────────────────────────────── */
.foot{ padding:clamp(4.5rem,9vw,7.5rem) 0 clamp(2.5rem,5vw,4rem); text-align:center; }
.foot h2{ margin-bottom:.8rem; }
.sig{ font-family:var(--display); font-style:italic; font-size:1.22rem; color:var(--muted); margin:2.2rem 0 0; }
.foot-links{ display:flex; flex-wrap:wrap; justify-content:center; gap:1.4rem 2rem; margin:3.2rem 0 0; font-size:.875rem; color:var(--ink-soft); }
.foot-links a:hover{ color:var(--ink); }
.foot-meta{ font-family:var(--mono); font-size:.6875rem; letter-spacing:.14em; color:var(--muted); margin:2.6rem 0 0; }

/* ── motion ────────────────────────────────────────────────── */
.reveal{ opacity:0; transform:translateY(16px); }
.reveal.in{ opacity:1; transform:none; transition:opacity 1.15s var(--ease), transform 1.15s var(--ease); }
.d1.in{ transition-delay:.09s; } .d2.in{ transition-delay:.18s; }
.d3.in{ transition-delay:.27s; } .d4.in{ transition-delay:.36s; } .d5.in{ transition-delay:.45s; }

.draw{ stroke-dasharray:var(--len,1400); stroke-dashoffset:var(--len,1400); }
.draw.in{ stroke-dashoffset:0; transition:stroke-dashoffset 2.6s cubic-bezier(.25,.6,.2,1); }
.draw.slow.in{ transition-duration:3.6s; }

.bloom{ opacity:0; transform:scale(.94); transform-origin:center; }
.bloom.in{ opacity:1; transform:none; transition:opacity 1.6s var(--ease) .3s, transform 1.6s var(--ease) .3s; }

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal,.reveal.in,.bloom,.bloom.in{ opacity:1; transform:none; transition:none; }
  .draw,.draw.in{ stroke-dashoffset:0; transition:none; }
}