/* ===================================================================
   Quantum Lantern Studios — “Field Journal, Night Edition”
   A botanist's working notebook kept after dark: warm dark paper,
   typewriter labels, cream photographs taped to the pages, rubber
   stamps — and the lantern itself still lit and floating.
   =================================================================== */

:root{
  --paper:#211a12;        /* warm dark page */
  --paper-2:#2a221a;      /* index cards */
  --ink:#e9ddc3;          /* cream ink */
  --ink-soft:#bfb094;
  --ink-faint:#8d7f61;
  --rule:#453a28;         /* ruled lines */
  --red:#e2593d;          /* stamp / margin red */
  --moss:#a3b56f;
  --brass:#d9a441;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --type:"Courier New",Courier,monospace;
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--serif); font-size:19px; line-height:1.6;
  background-image:
    radial-gradient(rgba(255,236,190,.035) 1px, transparent 1.4px),
    radial-gradient(90% 40% at 50% 0%, rgba(217,164,65,.07), transparent 70%);
  background-size:5px 5px, 100% 100%;
  background-repeat:repeat, no-repeat;
  overflow-x:clip;
}
::selection{ background:rgba(217,164,65,.35); }
a{ color:var(--ink); text-decoration-color:var(--brass); text-underline-offset:3px; }
img{ display:block; max-width:100%; }

.page{ max-width:920px; margin:0 auto; padding:0 24px; position:relative; }
/* red margin line, like a school notebook */
.page::before{
  content:""; position:fixed; top:0; bottom:0; left:max(12px, calc(50% - 500px));
  width:1px; background:rgba(226,89,61,.3); pointer-events:none;
}

/* ---------- masthead ---------- */
.mast{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px 24px;
  padding:24px 0 14px; border-bottom:2px solid var(--ink);
}
.mast-brand{
  font-family:var(--type); font-size:13px; letter-spacing:.18em; text-transform:uppercase;
  display:flex; align-items:center; gap:4px; color:var(--ink); text-decoration:none;
}
.mast-brand b{ border-bottom:2px solid var(--red); }
.mast-logo{
  width:32px; margin-right:10px;
  -webkit-mask-image:radial-gradient(circle at 50% 48%,#000 50%,transparent 72%);
  mask-image:radial-gradient(circle at 50% 48%,#000 50%,transparent 72%);
  filter:drop-shadow(0 0 12px rgba(217,164,65,.55));
}
.mast-nav{ font-family:var(--type); font-size:12.5px; display:flex; gap:18px; flex-wrap:wrap; }
.mast-nav a{ text-decoration:none; border-bottom:1px dotted var(--ink-faint); }
.mast-nav a:hover{ border-bottom-color:var(--red); color:var(--red); }
.mast-date{ font-family:var(--type); font-size:11.5px; color:var(--ink-faint); text-align:right; padding:6px 0 0; }

/* ---------- hero ---------- */
.hero{
  padding:64px 0 30px; display:grid; grid-template-columns:1.15fr .85fr;
  gap:clamp(20px,5vw,56px); align-items:center;
}
.hero-kicker{
  font-family:var(--type); font-size:12.5px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-soft);
}
.hero h1{
  font-size:clamp(40px,7vw,76px); line-height:1.04; font-weight:500;
  margin:.25em 0 .3em; letter-spacing:-.01em; max-width:15ch;
}
.hero h1 .u{ position:relative; white-space:nowrap; }
.hero h1 .u svg{ position:absolute; left:0; right:0; bottom:-.18em; width:100%; height:.35em; }
.hero-sub{ max-width:52ch; font-size:21px; color:var(--ink-soft); }
.hero-note{ font-family:var(--type); font-size:12.5px; color:var(--ink-faint); margin-top:26px; }

/* the big floating lantern */
.hero-stage{ position:relative; width:min(420px,100%); margin:0 auto; }
.lantern-aura{
  position:absolute; left:50%; top:46%; width:82%; aspect-ratio:1; transform:translate(-50%,-50%);
  border-radius:50%; pointer-events:none;
  background:radial-gradient(circle, rgba(255,170,70,.30), rgba(217,164,65,.10) 40%, transparent 66%);
  filter:blur(8px); animation:pulse 5.5s ease-in-out infinite;
  transition:opacity .3s, transform .3s;
}
.hero-lantern{
  width:100%; height:auto; position:relative;
  /* screen blend drops the artwork's near-black backdrop into the page;
     the wide mask fade erases what little edge remains */
  mix-blend-mode:screen;
  -webkit-mask-image:radial-gradient(60% 60% at 50% 46%, #000 38%, transparent 78%);
  mask-image:radial-gradient(60% 60% at 50% 46%, #000 38%, transparent 78%);
  filter:drop-shadow(0 0 60px rgba(217,164,65,.28));
  animation:bob 7s ease-in-out infinite;
}
.lantern-btn{
  background:none; border:0; padding:0; cursor:pointer; display:block; width:100%;
  will-change:transform;
}
.ember-spark{
  position:absolute; left:50%; top:46%; border-radius:50%; pointer-events:none; z-index:5;
  background:radial-gradient(circle, #f8da8d, #ff9d4d);
  box-shadow:0 0 10px var(--brass);
  animation:spark 1s cubic-bezier(.2,.6,.3,1) forwards;
}
@keyframes spark{
  0%{ transform:translate(-50%,-50%) translate(0,0) scale(1); opacity:1; }
  100%{ transform:translate(-50%,-50%) translate(calc(cos(var(--a)) * var(--d)), calc(sin(var(--a)) * var(--d))) scale(0); opacity:0; }
}
@keyframes bob{ 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }
@keyframes pulse{ 0%,100%{opacity:.8; transform:translate(-50%,-50%) scale(1)} 50%{opacity:1; transform:translate(-50%,-50%) scale(1.07)} }
@media (prefers-reduced-motion: reduce){
  .hero-lantern,.lantern-aura{ animation:none; }
}
/* typed label taped under the lantern */
.plate-label{
  position:absolute; left:50%; bottom:4%; transform:translateX(-50%) rotate(-1.5deg);
  font-family:var(--type); font-size:11.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-soft); background:rgba(33,26,18,.75); border:1px solid var(--rule);
  padding:5px 12px; white-space:nowrap;
}

/* ---------- shared bits ---------- */
.section{ padding:58px 0 8px; }
.sec-label{
  font-family:var(--type); font-size:12px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--red); display:flex; align-items:baseline; gap:14px;
}
.sec-label::after{ content:""; flex:1; border-bottom:1px solid var(--rule); }
.section h2{ font-size:clamp(30px,4.6vw,46px); font-weight:500; line-height:1.08; margin:.35em 0 .4em; }
.wt-note{ font-size:.55em; font-family:var(--type); letter-spacing:.1em; color:var(--ink-faint); }
.lede{ font-size:20px; color:var(--ink-soft); max-width:60ch; }

/* taped photo */
.photo{
  position:relative; background:#f1e9d4; padding:12px 12px 44px;
  box-shadow:0 2px 3px rgba(0,0,0,.5), 0 18px 44px -16px rgba(0,0,0,.8);
  margin:38px 0 8px;
}
.photo img{ width:100%; }
.photo figcaption{
  font-family:var(--type); font-size:12px; color:#57492f;
  position:absolute; left:14px; bottom:13px; right:14px;
}
.photo .tape{
  position:absolute; width:98px; height:30px; background:rgba(228,206,148,.4);
  box-shadow:0 1px 2px rgba(0,0,0,.35); top:-13px;
}
.photo .tape.tl{ left:8%; transform:rotate(-5deg); }
.photo .tape.tr{ right:8%; transform:rotate(4deg); }
.tilt-l{ transform:rotate(-1.1deg); }
.tilt-r{ transform:rotate(.9deg); }

/* rubber stamp */
.stamp{
  position:absolute; z-index:3; font-family:var(--type); font-weight:700;
  font-size:14px; letter-spacing:.14em; text-transform:uppercase; color:var(--red);
  border:2.5px solid var(--red); border-radius:4px; padding:7px 13px;
  transform:rotate(-7deg); opacity:.88; background:rgba(33,26,18,.5);
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='60'%3E%3Cfilter id='r'%3E%3CfeTurbulence baseFrequency='.6' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .6 .4'/%3E%3C/filter%3E%3Crect width='120' height='60' filter='url(%23r)'/%3E%3C/svg%3E");
}

/* fact table — typed index card */
.card{
  background:var(--paper-2); border:1px solid var(--rule); padding:20px 22px;
  font-family:var(--type); font-size:13.5px; line-height:1.5;
}
.card dl{ margin:0; display:grid; grid-template-columns:110px 1fr; row-gap:9px; column-gap:14px; }
.card dt{ text-transform:uppercase; letter-spacing:.12em; font-size:11px; color:var(--moss); padding-top:2px; }
.card dd{ margin:0; }
.two-col{ display:grid; grid-template-columns:1.4fr 1fr; gap:36px; align-items:start; margin-top:26px; }
.two-col--rev{ grid-template-columns:1fr 1.4fr; }

/* ledger table */
.ledger{ width:100%; border-collapse:collapse; margin-top:30px; }
.ledger caption{
  text-align:left; font-family:var(--type); font-size:11.5px; letter-spacing:.2em;
  text-transform:uppercase; color:var(--moss); padding-bottom:10px;
}
.ledger td{ border-top:1px solid var(--rule); padding:14px 14px 14px 0; vertical-align:baseline; }
.ledger tr:last-child td{ border-bottom:1px solid var(--rule); }
.ledger .id{ font-family:var(--type); font-size:11.5px; color:var(--red); white-space:nowrap; width:70px; }
.ledger .nm{ font-size:22px; white-space:nowrap; width:190px; font-style:italic; }
.ledger .ds{ color:var(--ink-soft); font-size:16.5px; }

/* margin scribbles */
.scribble{
  font-family:var(--type); font-size:12px; color:var(--ink-faint);
  transform:rotate(-1.5deg); max-width:200px; line-height:1.45;
}
.scribble::before{ content:"✳ "; color:var(--red); }

/* about */
.principles{ margin:26px 0 0; padding:0; list-style:none; counter-reset:p; }
.principles li{
  counter-increment:p; padding:18px 0 18px 56px; position:relative; border-top:1px solid var(--rule);
}
.principles li::before{
  content:counter(p, decimal-leading-zero); position:absolute; left:0; top:20px;
  font-family:var(--type); font-size:13px; color:var(--brass);
}
.principles b{ display:block; font-size:22px; font-weight:500; font-style:italic; }
.principles p{ margin:4px 0 0; color:var(--ink-soft); font-size:16.5px; }

.byline{
  margin-top:44px; padding:22px 26px; border:1px dashed var(--ink-faint);
  display:flex; gap:20px; align-items:flex-start; background:rgba(255,240,205,.035);
}
.byline img{
  width:60px; flex:none;
  -webkit-mask-image:radial-gradient(circle at 50% 48%,#000 50%,transparent 72%);
  mask-image:radial-gradient(circle at 50% 48%,#000 50%,transparent 72%);
  filter:drop-shadow(0 0 12px rgba(217,164,65,.55));
}
.byline h3{ margin:0; font-size:23px; font-weight:500; }
.byline .role{
  font-family:var(--type); font-size:11.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--moss); margin:3px 0 10px;
}
.byline p{ margin:0 0 8px; font-size:16.5px; color:var(--ink-soft); }
.byline a{ font-family:var(--type); font-size:13px; }

.studio-note{
  font-style:italic; color:var(--ink-soft); font-size:19px; margin:34px 0 0;
  padding-top:22px; border-top:1px solid var(--rule);
}

/* devlog — journal entries */
.entries{ margin-top:8px; }
.entry{
  display:grid; grid-template-columns:130px 1fr; gap:22px; padding:24px 0;
  border-top:1px solid var(--rule); align-items:baseline;
}
.entry:last-child{ border-bottom:1px solid var(--rule); }
.entry .when{ font-family:var(--type); font-size:12px; color:var(--red); text-transform:uppercase; letter-spacing:.1em; }
.entry .when small{ display:block; color:var(--ink-faint); margin-top:4px; letter-spacing:.06em; font-size:inherit; }
.entry h3{ margin:0 0 6px; font-size:24px; font-weight:500; }
.entry h3 a{ text-decoration:none; border-bottom:1px solid var(--rule); }
.entry h3 a:hover{ border-bottom-color:var(--red); }
.entry p{ margin:0; color:var(--ink-soft); font-size:16.5px; }

/* FAQ */
.faq details{ border-top:1px solid var(--rule); padding:4px 0; }
.faq details:last-of-type{ border-bottom:1px solid var(--rule); }
.faq summary{
  cursor:pointer; font-size:21px; padding:16px 0; list-style:none; position:relative; padding-right:36px;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+"; position:absolute; right:6px; top:14px; font-family:var(--type);
  font-size:20px; color:var(--brass);
}
.faq details[open] summary::after{ content:"–"; }
.faq details p{ margin:0 0 18px; color:var(--ink-soft); max-width:66ch; font-size:17px; }

/* signup */
.signup{ margin:70px 0; padding:34px 30px; border:2px solid var(--ink); position:relative; background:rgba(255,240,205,.035); }
.signup::after{
  content:"NO SPAM — SOLO DEV"; position:absolute; top:-14px; right:22px;
  font-family:var(--type); font-size:11px; letter-spacing:.16em; color:var(--red);
  border:2px solid var(--red); padding:4px 9px; transform:rotate(3deg); background:var(--paper);
}
.signup h2{ margin-top:0; font-size:clamp(30px,4.6vw,46px); font-weight:500; line-height:1.08; }
.signup > p{ max-width:56ch; color:var(--ink-soft); margin:.4em 0 0; }
.signup-form{ display:flex; gap:10px; flex-wrap:wrap; margin-top:18px; }
.signup-form input{
  flex:1; min-width:220px; font-family:var(--type); font-size:14px; padding:12px 14px;
  border:1px solid var(--ink-soft); background:#171209; color:var(--ink); outline:none;
}
.signup-form input:focus{ border-color:var(--red); }
.signup-form button{
  font-family:var(--type); font-size:13px; letter-spacing:.12em; text-transform:uppercase;
  background:var(--ink); color:var(--paper); border:0; padding:12px 22px; cursor:pointer;
}
.signup-form button:hover{ background:var(--red); color:var(--ink); }
.signup-ok{ font-style:italic; color:var(--moss); font-size:19px; margin-top:18px; }

/* footer */
.footer{ padding:30px 0 60px; border-top:2px solid var(--ink); }
.foot-cols{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:32px; padding-top:8px; }
.foot-tagline{ font-style:italic; font-size:17px; color:var(--ink-soft); margin:10px 0 0; max-width:30ch; }
.foot-col h4{
  font-family:var(--type); font-size:11px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--ink-faint); margin:4px 0 14px;
}
.foot-col a{
  display:block; font-family:var(--type); font-size:13px; color:var(--ink-soft);
  text-decoration:none; border-bottom:none; margin-bottom:10px; width:fit-content;
}
.foot-col a:hover{ color:var(--red); }
.foot-bottom{
  display:flex; justify-content:space-between; gap:18px; flex-wrap:wrap;
  font-family:var(--type); font-size:12px; color:var(--ink-faint);
  margin-top:40px; padding-top:20px; border-top:1px solid var(--rule);
}
.foot-bottom a{ color:inherit; }
.to-top{
  font-family:var(--type); font-size:12px; color:var(--ink-faint); cursor:pointer;
  background:none; border:0; padding:0;
}
.to-top:hover{ color:var(--red); }

/* ---------- responsive ---------- */
@media (max-width:760px){
  .hero{ grid-template-columns:1fr; }
  .hero-stage{ order:-1; width:min(320px,78vw); }
  .two-col,.two-col--rev{ grid-template-columns:1fr; }
  .entry{ grid-template-columns:1fr; gap:6px; }
  .page::before{ display:none; }
  .ledger .nm{ width:auto; }
  .ledger td.ds{ display:block; border-top:0; padding-top:0; }
  .byline{ flex-direction:column; gap:16px; }
  .foot-cols{ grid-template-columns:1fr 1fr; }
}
@media (max-width:460px){
  body{ font-size:17.5px; }
  .foot-cols{ grid-template-columns:1fr; }
}