/* ============================================================
   cobblr homepage — brand: warm, earthy, brutalist-done-with-care
   palette: Slate #3D4451 · Cobble #8B7355 · Mortar #E8E2D5
            Moss #6B8E4E · Ember #C7593E · Sand #A48663
   ============================================================ */

:root{
  --slate:#3D4451;
  --slate-2:#333a45;
  --cobble:#8B7355;
  --cobble-d:#6f5b42;
  --mortar:#E8E2D5;
  --mortar-l:#F2EEE5;
  --mortar-d:#dcd4c3;
  --moss:#6B8E4E;
  --ember:#C7593E;
  --sand:#A48663;
  --ink:#2b3038;
  --paper:#F6F2EA;
  --line:#cabfa9;

  --sans:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --maxw:1120px;
  --r:10px;
  --shadow:4px 4px 0 rgba(61,68,81,.12);
  --shadow-hard:5px 5px 0 var(--slate);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit}
h1,h2,h3{line-height:1.05;letter-spacing:-.02em;margin:0 0 .4em;overflow-wrap:break-word;text-wrap:balance}
h1{font-size:clamp(2.05rem,6.4vw,4.2rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.4vw,2.25rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1rem}
strong{font-weight:700}
em{font-style:italic;color:var(--cobble-d)}
.mono{font-family:var(--mono)}
.muted{color:#6a6150;font-size:.95rem}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.narrow{max-width:920px}
.narrow > p{max-width:760px}
.center > p{margin-left:auto;margin-right:auto}
.center{text-align:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font-weight:700;text-decoration:none;cursor:pointer;
  background:var(--slate);color:var(--mortar-l);
  border:2px solid var(--slate);border-radius:var(--r);
  padding:.6rem 1.1rem;transition:transform .08s ease, box-shadow .08s ease;
  box-shadow:var(--shadow-hard);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--slate)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--slate)}
.btn-lg{padding:.85rem 1.6rem;font-size:1.05rem}
.btn-sm{padding:.4rem .85rem;font-size:.9rem;box-shadow:3px 3px 0 var(--slate)}
.btn-ghost{background:transparent;color:var(--slate);box-shadow:var(--shadow-hard)}
.btn-ghost:hover{background:var(--mortar-d)}
.light-ghost{color:var(--mortar-l);border-color:var(--mortar-l);box-shadow:5px 5px 0 var(--cobble)}
.light-ghost:hover{background:rgba(255,255,255,.08)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 22px;background:rgba(246,242,234,.92);
  backdrop-filter:blur(8px);border-bottom:2px solid var(--line);
}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none}
.wordmark{font-weight:800;font-size:1.3rem;letter-spacing:-.04em;color:var(--slate)}
.mark{display:block;transform:rotate(-3deg)}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links a{text-decoration:none;font-weight:600;font-size:.95rem;color:var(--slate)}
.nav-links a:not(.btn):hover{color:var(--cobble-d)}
.nav-links a:not(.btn){display:none}
.nav-links a.btn{color:var(--mortar-l)}
.nav-links a.active:not(.btn){color:var(--cobble-d);text-decoration:underline;text-underline-offset:4px}

/* ---------- hero ---------- */
.hero{padding:46px 0 30px;position:relative;overflow:hidden}
.hero::before{ /* faint cobble path texture */
  content:"";position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:radial-gradient(var(--mortar-d) 1.4px,transparent 1.4px);
  background-size:26px 26px;
}
.hero-grid{position:relative;z-index:1;display:grid;gap:34px;grid-template-columns:1fr}
.hero-grid>*{min-width:0}
.eyebrow{font-family:var(--mono);font-size:.8rem;
  color:var(--cobble-d);font-weight:500;margin-bottom:1rem;letter-spacing:.01em;overflow-wrap:anywhere}
.hero h1{color:var(--slate)}
.lede{font-size:1.2rem;max-width:34ch;margin-top:.4rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:1.4rem 0 1rem}
.center-cta{justify-content:center}
.hero-foot{font-size:.9rem;color:#8a8068;max-width:46ch;font-style:italic}

/* ---------- combinator ---------- */
.combinator{
  background:var(--mortar-l);border:2px solid var(--slate);border-radius:14px;
  padding:20px;box-shadow:var(--shadow-hard);align-self:start;
}
.combo-slots{display:flex;align-items:stretch;gap:6px;justify-content:center}
.slot{
  flex:1 1 0;min-width:0;background:var(--paper);border:2px solid var(--cobble);
  border-radius:8px;padding:10px 4px;cursor:pointer;text-align:center;
  font-family:var(--mono);transition:transform .1s,background .1s;
}
.slot:hover{transform:translateY(-2px);background:#fff}
.slot-label{display:block;font-size:.7rem;color:var(--cobble);font-weight:700}
.slot-val{display:block;font-weight:700;color:var(--slate);font-size:.82rem;margin-top:3px;overflow-wrap:anywhere}
.op{align-self:center;font-weight:800;color:var(--cobble);font-size:1.2rem}
.combo-eq{text-align:center;font-weight:800;color:var(--cobble);font-size:1.4rem;margin:8px 0}
.combo-card{background:var(--slate);border-radius:10px;overflow:hidden}
.combo-card-bar{display:flex;align-items:center;gap:7px;padding:8px 12px;
  font-family:var(--mono);font-size:.82rem;color:var(--mortar-l);
  border-bottom:1px solid rgba(255,255,255,.12)}
.combo-app{font-weight:700}
.dot{width:9px;height:9px;border-radius:50%;background:var(--moss);flex:none}
.combo-card-body{padding:11px 12px;background:var(--mortar-l)}
.mini-row{display:flex;align-items:center;gap:8px;font-size:.9rem;padding:3px 0;color:var(--ink)}
.mini-row span{width:8px;height:8px;border-radius:2px;background:var(--sand);flex:none}
.mini-chip-row{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.mini-chip-row i{font-family:var(--mono);font-style:normal;font-size:.68rem;
  background:var(--mortar-d);color:var(--cobble-d);padding:2px 7px;border-radius:20px}
.combo-beats{margin:12px 2px 0;font-size:.9rem;color:var(--cobble-d);text-align:center}
.combo-beats b{color:var(--ember)}
.combo-nav{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:14px}
.combo-arrow{background:var(--paper);border:2px solid var(--cobble);color:var(--cobble-d);
  width:30px;height:30px;border-radius:50%;font-size:1.15rem;line-height:1;cursor:pointer;
  display:grid;place-items:center;padding:0;transition:transform .08s ease,background .1s}
.combo-arrow:hover{background:#fff;transform:translateY(-1px)}
.combo-dots{display:flex;gap:7px;align-items:center}
.combo-dot{width:8px;height:8px;border-radius:50%;background:var(--mortar-d);border:none;padding:0;
  cursor:pointer;transition:background .15s,transform .15s}
.combo-dot:hover{background:var(--cobble)}
.combo-dot.on{background:var(--cobble);transform:scale(1.25)}

/* ---------- bands ---------- */
.band{padding:64px 0;border-top:2px solid var(--line)}
.band-mortar{background:var(--mortar)}
.band-slate{background:var(--slate);color:var(--mortar-l)}
.band-slate h2{color:var(--mortar-l)}
.band-head{max-width:1000px;margin-bottom:34px}
.band-head h2{color:var(--slate)}
.band-slate .band-head h2{color:var(--mortar-l)}
/* em is cobble-dark for light bands — unreadable on slate; lighten here */
.band-slate em{color:#f0d9ae}
.sub{font-size:1.05rem;color:#7a715f}
.band-head .sub{margin:0}
.big{font-size:1.3rem}
.light{color:#e9e3d6}
.light.muted{color:#c4bcab}
.legend{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;margin-left:6px}
.moss-dot{width:9px;height:9px;border-radius:50%;background:var(--moss);display:inline-block}

#idea h2{color:var(--slate)}

/* ---------- costume row (the "same row, three costumes" proof) ---------- */
.costume-row{display:grid;gap:14px;grid-template-columns:1fr;margin:26px 0 10px}
@media(min-width:720px){.costume-row{grid-template-columns:1fr 1fr 1fr}}
.costume-card{margin:0}
.ap-chips{display:flex;gap:6px;padding:8px 11px 11px;flex-wrap:wrap}
.ap-chips i{font-family:var(--mono);font-style:normal;font-size:.68rem;
  background:rgba(255,255,255,.12);color:#d8d1c3;padding:2px 8px;border-radius:20px}
.costume-caption{text-align:center;color:#6a6150;font-size:.95rem;margin-bottom:1.6rem}
.costume-caption strong{color:var(--slate)}

/* ---------- wire demo ---------- */
.wire-demo{display:flex;flex-direction:column;gap:10px;margin:26px 0 14px}
.wire-foot{margin-bottom:30px;font-size:.9rem}
.wire{
  font-family:var(--mono);font-size:.95rem;background:var(--paper);
  border:2px solid var(--line);border-left:5px solid var(--moss);
  border-radius:8px;padding:11px 14px;color:var(--ink);
}
.wire .kw{color:var(--cobble-d);font-weight:700}
.wire .arrow{color:var(--ember);font-weight:700;padding:0 4px}

/* ---------- proof grid ---------- */
.proof-grid{display:grid;gap:22px;grid-template-columns:1fr}
.proof-card{
  position:relative;background:var(--mortar-l);border:2px solid var(--slate);
  border-radius:var(--r);padding:20px;box-shadow:var(--shadow);
}
.proof-card:nth-child(even){transform:rotate(.4deg)}
.proof-card:nth-child(3n){transform:rotate(-.5deg)}
.ribbon{font-weight:800;color:var(--slate);font-size:1.05rem;margin-bottom:12px;
  display:inline-block;border-bottom:3px solid var(--cobble);padding-bottom:3px}
.app-preview{background:var(--slate);border-radius:8px;overflow:hidden;margin-bottom:14px}
.ap-bar{display:flex;align-items:center;gap:7px;padding:8px 11px;font-family:var(--mono);
  font-size:.8rem;color:var(--mortar-l);border-bottom:1px solid rgba(255,255,255,.1)}
.ap-row{padding:7px 11px;font-size:.86rem;color:#e7e1d4;border-bottom:1px solid rgba(255,255,255,.06)}
.ap-row b{color:#fff}
.ap-row:last-child{border-bottom:0}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.chips i{font-family:var(--mono);font-style:normal;font-size:.72rem;
  background:var(--mortar-d);color:var(--cobble-d);padding:3px 9px;border-radius:20px;font-weight:500}
.proof-card p{font-size:.96rem;margin-bottom:14px}
/* featured full-width proof card (the coordinate-not-control hero) */
.proof-card.wide{grid-column:1 / -1;display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;
  align-items:center;border-color:var(--moss);background:#edf2e4;transform:none}
.proof-card.wide .app-preview{margin-bottom:0}
.proof-card.wide .ribbon{border-bottom-color:var(--moss)}
.proof-card.wide p{margin-bottom:14px}
.status{font-family:var(--mono);font-size:.74rem;font-weight:700;color:var(--moss);
  display:inline-flex;align-items:center;gap:7px}
.status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--moss)}

/* ---------- connect stories ---------- */
.connect-grid{display:grid;gap:20px;grid-template-columns:1fr}
.connect-story{background:var(--mortar-l);border:2px solid var(--slate);border-radius:var(--r);
  padding:22px;box-shadow:var(--shadow)}
.cs-num{font-family:var(--mono);font-weight:700;color:var(--cobble);font-size:1rem;margin-bottom:8px}
.connect-story h3{color:var(--slate)}

/* ---------- faq ---------- */
.faq{margin-top:30px;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--slate-2);border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:0 16px}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;color:var(--mortar-l)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+ ";color:var(--cobble);font-family:var(--mono)}
.faq details[open] summary::before{content:"– "}
.faq details p{color:#cfc8ba;padding-bottom:14px;margin:0;font-size:.95rem}

/* ---------- personas ---------- */
.persona-grid{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:1fr}
.persona-grid li{background:var(--mortar-l);border:2px solid var(--line);border-radius:var(--r);
  padding:16px 18px;font-size:1.05rem}
.persona-grid b{color:var(--slate)}
.persona-grid span{display:block;color:#7a715f;font-size:.92rem;margin-top:4px}

/* ---------- bundle strip ---------- */
.bundle-strip{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.bundle-chip{display:inline-flex;align-items:center;gap:9px;background:var(--mortar-l);
  border:2px solid var(--slate);border-radius:30px;padding:9px 16px;font-weight:700;
  color:var(--slate);box-shadow:var(--shadow);transition:transform .08s ease}
.bundle-chip:hover{transform:translateY(-2px)}
.bundle-chip.featured{border-color:var(--moss);background:#edf2e4}
.bundle-meta{font-family:var(--mono);font-size:.68rem;font-weight:500;color:var(--moss)}
.bundle-chip.more{border-style:dashed;border-color:var(--cobble);background:transparent;
  color:var(--cobble-d);box-shadow:none;font-weight:600}
.bundle-foot{margin-top:20px}

/* ---------- ai moment ---------- */
.ai-prompt{background:var(--slate);color:var(--mortar-l);border-radius:10px;
  padding:18px 20px;font-size:1.05rem;text-align:left;max-width:620px;margin:18px auto 0;
  box-shadow:var(--shadow-hard);border:2px solid var(--slate)}
.ai-prompt .caret{color:var(--moss);font-weight:700;margin-right:8px}
.ai-arrow{font-size:1.6rem;color:var(--cobble);margin:10px 0}
.ai-out{max-width:480px;margin:0 auto 18px;border:2px solid var(--slate);box-shadow:var(--shadow)}
#ai h2{color:var(--slate)}

/* ---------- steps ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:20px;grid-template-columns:1fr;counter-reset:s}
.steps li{background:var(--mortar-l);border:2px solid var(--slate);border-radius:var(--r);
  padding:22px;box-shadow:var(--shadow);position:relative}
.step-n{position:absolute;top:-14px;left:18px;width:30px;height:30px;border-radius:50%;
  background:var(--cobble);color:#fff;font-weight:800;display:grid;place-items:center;
  border:2px solid var(--slate)}
.steps h3{color:var(--slate);margin-top:6px;padding-right:64px}
.step-term{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:.66rem;
  font-weight:500;color:var(--cobble);opacity:.7;letter-spacing:.03em}
.steps .mono{background:var(--paper);border:1px solid var(--line);border-radius:6px;
  padding:2px 7px;font-size:.85rem}

/* ---------- waitlist (private beta) ---------- */
.beta-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.72rem;
  font-weight:600;color:var(--cobble-d);background:var(--mortar-l);border:1.5px solid var(--line);
  padding:5px 12px;border-radius:30px;margin:0 0 14px}
.beta-badge .bd{width:8px;height:8px;border-radius:50%;background:var(--moss);flex:none}
.req-note{color:var(--cobble-d)}
.beta-eyebrow{color:#d8c4a6;letter-spacing:.06em;text-transform:uppercase;font-size:.72rem}
.waitlist{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;max-width:520px;margin:8px auto 16px}
.waitlist-input{flex:1 1 240px;min-width:0;padding:.82rem 1rem;font-size:1.02rem;font-family:var(--sans);
  color:var(--ink);background:var(--mortar-l);border:2px solid var(--mortar-l);border-radius:var(--r)}
.waitlist-input::placeholder{color:#8a8068}
.waitlist-input:focus{outline:none;border-color:var(--moss)}
.waitlist-btn{flex:0 0 auto;background:var(--mortar-l);color:var(--slate);border-color:var(--mortar-l);box-shadow:5px 5px 0 var(--cobble)}
.waitlist-btn:hover{background:#fff;box-shadow:7px 7px 0 var(--cobble)}
.waitlist-btn:active{box-shadow:2px 2px 0 var(--cobble)}
.waitlist-done{color:var(--moss);font-weight:700;font-size:1.2rem}
.inline-link{color:#e9e3d6;text-decoration:underline}
.inline-link:hover{color:#fff}

/* ---------- footer ---------- */
.footer{background:var(--slate);color:var(--mortar-l);padding:42px 0 26px;border-top:2px solid var(--cobble)}
.footer-grid{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
.footer-brand{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.footer-brand .wordmark{color:var(--mortar-l)}
.footer-tag{width:100%;font-style:italic;color:#b9b1a0;font-size:.9rem;margin:6px 0 0}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{text-decoration:none;color:#d8d1c3;font-size:.95rem}
.footer-links a:hover{color:#fff}
.footer-fine{max-width:var(--maxw);margin:26px auto 0;padding:18px 22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-family:var(--mono);font-size:.78rem;color:#bdb3a0}

/* ============================================================
   responsive
   ============================================================ */
@media(min-width:720px){
  .nav-links a:not(.btn){display:inline}
  .proof-grid{grid-template-columns:1fr 1fr}
  .connect-grid{grid-template-columns:1fr 1fr 1fr}
  .persona-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr 1fr}
}
@media(min-width:960px){
  .hero{padding:70px 0 50px}
  .hero-grid{grid-template-columns:1.05fr .95fr;align-items:center;gap:50px}
  .proof-grid{grid-template-columns:1fr 1fr 1fr}
  .persona-grid{grid-template-columns:1fr 1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important}
}

/* ── 404 page ── */
.errpage { min-height: 100vh; display: flex; align-items: center; }
.errpage-brand { justify-content: center; margin-bottom: 28px; }
.errpage-cta { justify-content: center; }
/* the default .btn is slate-on-slate here — give it the light treatment */
.errpage .btn{background:var(--mortar-l);color:var(--slate);border-color:var(--mortar-l);
  box-shadow:5px 5px 0 var(--cobble)}
.errpage .btn:hover{background:#fff;box-shadow:7px 7px 0 var(--cobble)}
.errpage .btn:active{box-shadow:2px 2px 0 var(--cobble)}