/* den.house — production stylesheet.
   Merged from the Den design system (fonts + tokens/colors,typography,spacing,motion)
   plus page styles ported from "Den Landing v2.dc.html". Source of truth for brand
   tokens is the Claude Design project "Den Landing Page Redesign". */

/* ---- fonts (self-hosted, latin subset, variable weight) ---- */
@font-face{font-family:'Figtree';src:url('/assets/fonts/figtree-latin.woff2') format('woff2');font-weight:300 900;font-style:normal;font-display:swap}
@font-face{font-family:'Figtree';src:url('/assets/fonts/figtree-italic-latin.woff2') format('woff2');font-weight:300 900;font-style:italic;font-display:swap}

/* ---- tokens: colors ---- */
:root{
/* base — bubble world */
--den-blue:#3181F7; /* the ONLY interactive color */
--den-blue-hover:#2470E4;
--dot-white:#FEFDF9;
/* base — paper world */
--paper:#FAF7F2;
--ink:#2B2622;
--ink-muted:#6E6459;
--paper-line:#E8E1D6;
--family-bubble:#E9E4DC;
/* art accents — illustration + rare section accents only. NEVER buttons or links */
--art-dusty-blue:#7C9BB8;
--art-ochre:#D9A441;
--art-terracotta:#C85C38;
/* semantic */
--surface-page:var(--paper);
--surface-card:var(--dot-white);
--surface-bubble-den:var(--den-blue);
--surface-bubble-family:var(--family-bubble);
--text-body:var(--ink);
--text-muted:var(--ink-muted);
--text-on-blue:var(--dot-white);
--interactive:var(--den-blue);
--interactive-hover:var(--den-blue-hover);
--focus-ring:0 0 0 3px rgba(49,129,247,.35);
--border-subtle:1px solid var(--paper-line);
}

/* ---- tokens: typography ---- */
:root{
--font-sans:'Figtree',ui-sans-serif,system-ui,sans-serif;
--weight-headline:600;
--weight-body:400;
--weight-medium:500;
--tracking-headline:-0.01em;
--text-display:clamp(40px,5.5vw,64px);
--text-h1:44px;
--text-h2:32px;
--text-h3:22px;
--text-body-lg:18px;
--text-body-size:17px;
--text-small:14px;
--leading-headline:1.12;
--leading-body:1.65;
}
body{font-family:var(--font-sans);font-weight:var(--weight-body);font-size:var(--text-body-size);line-height:var(--leading-body);color:var(--text-body);background:var(--surface-page);margin:0}
h1,h2,h3{font-weight:var(--weight-headline);letter-spacing:var(--tracking-headline);line-height:var(--leading-headline);color:var(--text-body)}
a{color:var(--interactive);text-decoration:none}
a:hover{color:var(--interactive-hover);text-decoration:underline}
/* brand motif: every headline ends with a Den Blue period */
.blue-period{color:var(--den-blue)}

/* ---- tokens: spacing / radii / shadows ---- */
:root{
--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-9:96px;
--radius-pill:999px;
--radius-bubble:20px;
--radius-card:24px;
--radius-small:12px;
--shadow-card:0 1px 2px rgba(43,38,34,.05),0 4px 16px rgba(43,38,34,.06);
--shadow-bubble:0 1px 2px rgba(43,38,34,.08);
--container-max:1120px;
}

/* ---- tokens: motion ---- */
:root{
--ease-out:cubic-bezier(.22,1,.36,1);
--duration-fast:150ms;
--duration-base:250ms;
}
/* the brand animation: iMessage-style typing dots */
@keyframes den-typing{0%,60%,100%{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-2px)}}
.typing-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:currentColor;animation:den-typing 1.2s infinite var(--ease-out)}
.typing-dot:nth-child(2){animation-delay:.15s}
.typing-dot:nth-child(3){animation-delay:.3s}

/* ---- page base ---- */
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{background:var(--paper);overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
:focus-visible{outline:2px solid var(--den-blue);outline-offset:3px;border-radius:4px}
#waitlist-email::placeholder{color:rgba(250,247,242,.55)}
@keyframes dcRise{from{opacity:.5;transform:translateY(7px) scale(.985)}}
@keyframes dcCapRise{from{opacity:0;transform:translate(-50%,14px) scale(.97)}}
@keyframes dcTapPop{from{opacity:0;transform:scale(.3)}}
@keyframes dcBreathe{from{opacity:.5;transform:scale(1)}to{opacity:.95;transform:scale(1.07)}}
@keyframes dcFlick{0%{opacity:.55}18%{opacity:.8}39%{opacity:.6}61%{opacity:.9}80%{opacity:.65}100%{opacity:.85}}
summary::-webkit-details-marker{display:none}
details[open] .faq-plus{transform:rotate(45deg)}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}

/* ---- buttons (ported from DenDesignSystem Button) ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-pill);font-family:var(--font-sans);font-weight:600;letter-spacing:-0.01em;text-decoration:none;cursor:pointer;border:0;transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out);white-space:nowrap}
.btn:hover{text-decoration:none}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--den-blue);color:var(--dot-white)}
.btn-primary:hover{background:var(--den-blue-hover);color:var(--dot-white)}
.btn-quiet{background:transparent;color:var(--ink);border:1px solid rgba(43,38,34,.18)}
.btn-quiet:hover{color:var(--ink);border-color:rgba(43,38,34,.38);background:rgba(43,38,34,.04)}
.btn-sm{height:34px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 32px;font-size:17px}

/* ---- nav (paper ↔ dusk) ---- */
#dcnav{position:fixed;top:0;left:0;right:0;z-index:40;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,40px);background:rgba(250,247,242,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(43,38,34,.05);transition:background .5s ease,border-color .5s ease}
#dcnav.dusk{background:rgba(43,38,34,.85);border-bottom-color:rgba(250,247,242,.08)}
#dcnav.dusk .btn-quiet{color:var(--paper);border-color:rgba(250,247,242,.32)}
#dcnav.dusk .btn-quiet:hover{border-color:rgba(250,247,242,.6);background:rgba(250,247,242,.08)}

/* ---- waitlist form ---- */
#composeBar.err{border-color:#E89A76 !important}
#waitlist-send:hover{background:var(--den-blue-hover)}
#waitlist-send:active{transform:scale(.94)}
#waitlist-send[disabled]{opacity:.6;cursor:default}
/* honeypot — visually gone, still in the form for bots */
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}

/* ---- footer links ---- */
.foot-link{text-decoration:none;font-size:14px;line-height:1.7;color:rgba(250,247,242,.65)}
.foot-link:hover{color:#FAF7F2;text-decoration:none}

/* ---- accessibility helpers ---- */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---- mid-page sections: reveal engine (`js` class added by main.js; without JS everything is visible) ---- */
.js .rv{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease-out),transform .55s var(--ease-out);transition-delay:var(--d,0ms)}
.js .rv.on{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.js .rv{opacity:1;transform:none;transition:none}}

/* ---- the three-jobs ledger ---- */
.ledger{margin-top:56px;border-top:1px solid var(--paper-line)}
.lrow{display:grid;grid-template-columns:minmax(200px,.9fr) minmax(0,1.5fr) minmax(200px,.8fr);gap:clamp(20px,3vw,44px);padding:36px 0;border-bottom:1px solid var(--paper-line);align-items:start}
.lrow .lnum{margin:0;font-size:15px;font-weight:600;color:var(--den-blue)}
.lrow h3{margin:2px 0 0;font-size:clamp(20px,16px + .8vw,26px);line-height:1.2}
.lrow .ldesc{margin:0;font-size:16px;line-height:1.6;color:var(--ink-muted);max-width:46ch}
.lrow .ldesc strong{color:var(--ink);font-weight:600}
.lchip{display:inline-flex;flex-direction:column;gap:1px;background:var(--paper);border:1px solid var(--paper-line);border-radius:var(--radius-small);padding:10px 14px}
.lchip b{font-size:13.5px;font-weight:600;color:var(--ink)}
.lchip span{font-size:12.5px;color:var(--ink-muted)}
@media (max-width:860px){.lrow{grid-template-columns:1fr}}

/* ---- evidence sheets (transcript, slip) ---- */
.sheet{background:var(--dot-white);border:1px solid var(--paper-line);border-radius:var(--radius-small);box-shadow:var(--shadow-card);padding:22px 24px}
.sheet-title{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:1px solid var(--paper-line);padding-bottom:12px}
.sheet-title b{font-size:15px;font-weight:600;color:var(--ink)}
.sheet-title span{font-size:12.5px;color:var(--ink-muted);text-align:right}
.sheet-foot{margin-top:14px;padding-top:12px;border-top:1px solid var(--paper-line);font-size:12.5px;color:var(--ink-muted)}
.turn{display:grid;grid-template-columns:40px minmax(0,1fr);gap:10px;padding:11px 0;border-bottom:1px solid rgba(232,225,214,.6)}
.turn:last-of-type{border-bottom:0}
.turn .tt{font-size:12px;color:var(--ink-muted);padding-top:2px}
.turn .tw{font-size:13px;font-weight:600;margin:0 0 1px;color:var(--ink)}
.turn .tw.den{color:var(--den-blue)}
.turn p{margin:0;font-size:14.5px;line-height:1.5}
.fline{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid rgba(232,225,214,.6);font-size:14.5px}
.fline span:last-child{color:var(--ink-muted)}
.fline .ok{color:var(--den-blue);font-weight:600}
.sig{margin-top:16px;padding:14px 16px;border:1px dashed var(--paper-line);border-radius:var(--radius-small);background:var(--paper);display:flex;justify-content:space-between;align-items:center;gap:12px}
.sig i{font-style:normal;font-size:14px;color:var(--ink-muted)}
.sig b{flex:0 0 auto;font-size:12.5px;font-weight:600;color:var(--den-blue)}

/* ---- graduation thread (typing-first beat driven by main.js) ---- */
.gthread{display:grid;grid-template-columns:32px minmax(0,1fr);column-gap:8px;align-items:end}
.gav{width:32px;height:32px;margin-bottom:2px;border-radius:50%;background:var(--dot-white);display:grid;place-items:center;border:1px solid var(--paper-line);box-shadow:var(--shadow-bubble)}
.gcol{display:flex;flex-direction:column;align-items:flex-start;gap:5px}
.gname{margin:0 0 0 12px;color:var(--ink-muted);font-size:11px;line-height:14px}
.gbub{position:relative;background:var(--surface-bubble-den);color:var(--text-on-blue);border-radius:var(--radius-bubble);border-bottom-left-radius:6px;padding:10px 15px;font-size:16px;line-height:1.45;max-width:380px;width:fit-content;box-shadow:var(--shadow-bubble);overflow-wrap:break-word;text-wrap:pretty}
.gbub + .gbub{border-top-left-radius:8px}
.gtyping{display:none;gap:5px;background:var(--surface-bubble-family);border-radius:var(--radius-bubble);border-bottom-left-radius:6px;padding:14px 16px;box-shadow:var(--shadow-bubble);color:var(--ink-muted)}
.gtap{position:absolute;right:-6px;bottom:-13px;min-width:32px;height:26px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;border:2px solid var(--dot-white);border-radius:var(--radius-pill);background:var(--paper);color:var(--ink);font-size:13px;line-height:1;box-shadow:0 1px 4px rgba(43,38,34,.18)}
.mech{margin-top:64px;border-top:1px solid var(--paper-line);display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.mech p{margin:0;padding:20px 24px 0 0;font-size:15px;line-height:1.55;color:var(--ink-muted)}
.mech p strong{display:block;color:var(--ink);font-weight:600;font-size:15.5px;margin-bottom:2px}

/* ---- prose pages (privacy etc.) ---- */
.prose-page{max-width:760px;margin:0 auto;padding:120px clamp(20px,5vw,48px) 96px}
.prose-page h1{font-size:clamp(32px,26px + 1.2vw,44px);margin:0 0 8px}
.prose-page h2{font-size:22px;margin:40px 0 8px}
.prose-page p,.prose-page li{font-size:16px;line-height:1.7;color:var(--ink)}
.prose-page .muted{color:var(--ink-muted)}
.prose-page ul{padding-left:22px}
.prose-footer{border-top:1px solid var(--paper-line);margin-top:56px;padding-top:20px;font-size:14px;color:var(--ink-muted)}