/* CRBRL — Read-out design system (admin-connected copy)
   Layout/background tokens below are driven at runtime by site-loader.js
   reading /api/theme. Defaults match the approved static concept exactly —
   nothing changes visually until an admin edit is saved. */

:root{
  --emerald:#13CF9E; --emerald-mid:#0FAA82; --emerald-deep:#0C8466;
  --cream:#ECE9DA; --slate:#7C8090; --carbon:#06090A;
  --carbon-2:#0B1012; --carbon-3:#11171A;
  --line:rgba(236,233,218,.08); --line-strong:rgba(236,233,218,.14);
  --mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  --display:'Outfit','Space Grotesk', var(--sans);

  /* runtime-adjustable layout tokens — overridden by site-loader.js from /api/theme */
  --container-max-width:960px;
  --section-pad-y:64px;
  --hero-pad-y:56px;
  --card-gap:20px;
  --card-pad:22px;
  --radius-card:12px;
  --page-bg:var(--carbon);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth; background:var(--page-bg);}
body{background:var(--page-bg); color:var(--cream); font-family:var(--sans); font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased; background-repeat:no-repeat; background-size:cover; background-position:center; background-attachment:fixed;}
a{color:inherit; text-decoration:none;}
::selection{background:var(--emerald); color:var(--carbon);}
.wrap{max-width:var(--container-max-width); margin:0 auto; padding:0 28px;}
.mono{font-family:var(--mono);}

.concept-note{
  background:var(--carbon-3); border-bottom:1px solid var(--line);
  text-align:center; padding:8px; font-family:var(--mono); font-size:11px;
  letter-spacing:.08em; text-transform:uppercase; color:var(--slate);
}

/* masthead */
.masthead{border-bottom:1px solid var(--line); position:sticky; top:0; z-index:50; background:rgba(6,9,10,.9); backdrop-filter:blur(10px);}
.mast-top{display:flex; align-items:center; justify-content:space-between; padding:10px 28px; max-width:var(--container-max-width); margin:0 auto; font-family:var(--mono); font-size:11px; letter-spacing:.1em; color:var(--slate);}
.mast-top .rev{color:var(--slate); text-transform:uppercase;}
.mast-nav{display:flex; gap:20px;}
.mast-nav a{text-transform:uppercase; transition:color .15s;}
.mast-nav a:hover, .mast-nav a.active{color:var(--emerald);}
@media (max-width:760px){ .mast-nav{display:none;} }

.spec-block{padding:var(--hero-pad-y) 0 36px; position:relative; overflow:hidden;}
.spec-block::before{content:""; position:absolute; inset:0; background:radial-gradient(600px 240px at 15% 0%, rgba(19,207,158,.07), transparent 60%); pointer-events:none;}
.spec-id{font-family:var(--mono); font-size:12px; letter-spacing:.15em; color:var(--emerald); text-transform:uppercase; display:flex; align-items:center; gap:10px; margin-bottom:22px;}
.spec-id::before{content:""; width:24px; height:1px; background:var(--emerald);}
.mast-mark{display:flex; align-items:center; gap:16px; margin-bottom:26px;}
.mast-mark svg{width:34px; height:auto;}
.mast-mark .word{font-family:var(--display); font-weight:300; font-size:19px; letter-spacing:.14em;}
.spec-title{font-family:var(--display); font-weight:300; font-size:clamp(28px,4.4vw,46px); line-height:1.15; letter-spacing:-.01em; max-width:760px;}
.spec-title b{font-weight:500; color:var(--emerald);}
.spec-sub{margin-top:18px; font-size:16px; color:rgba(236,233,218,.8); max-width:62ch; line-height:1.6;}
.spec-strip{margin-top:30px; display:flex; flex-wrap:wrap; gap:0; border:1px solid var(--line); border-radius:10px; overflow:hidden;}
.spec-cell{flex:1; min-width:150px; padding:16px 20px; border-right:1px solid var(--line);}
.spec-cell:last-child{border-right:none;}
.spec-cell .k{font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--slate); margin-bottom:6px;}
.spec-cell .v{font-family:var(--mono); font-size:17px; color:var(--cream); font-weight:500;}
.spec-cell .v em{color:var(--emerald); font-style:normal;}

/* media slot — hidden until an admin fills it via /api/media */
.media-slot{display:none; margin-top:28px; border-radius:var(--radius-card); overflow:hidden; border:1px solid var(--line);}
.media-slot.filled{display:block;}
.media-slot img, .media-slot video{width:100%; height:auto; display:block;}

/* section rhythm */
section{padding:var(--section-pad-y) 0; border-top:1px solid var(--line);}
.sec-tag{font-family:var(--mono); font-size:11px; letter-spacing:.15em; color:var(--emerald); text-transform:uppercase; display:flex; align-items:center; gap:10px; margin-bottom:20px;}
.sec-tag::before{content:""; width:24px; height:1px; background:var(--emerald);}
.sec-tag .num{color:var(--slate);}
h2{font-family:var(--display); font-weight:400; font-size:clamp(22px,3vw,30px); letter-spacing:-.01em; margin-bottom:16px;}
p.lead{font-size:15.5px; color:var(--slate); max-width:64ch; line-height:1.65; margin-bottom:8px;}

/* abstract-style justified copy */
.abstract p{font-size:16.5px; line-height:1.75; color:rgba(236,233,218,.88); max-width:74ch; text-align:justify; text-justify:inter-word;}
.abstract .cite-mark{font-family:var(--mono); font-size:12px; color:var(--emerald); vertical-align:super;}
.abstract .cite-line{margin-top:22px; font-family:var(--mono); font-size:12.5px; color:var(--slate);}

/* figure (benchmark chart) */
.fig-frame{border:1px solid var(--line); border-radius:var(--radius-card); background:var(--carbon-2); padding:36px 32px 28px;}
.fig-bars{display:flex; align-items:flex-end; gap:28px; height:180px; margin:0 auto 4px; max-width:560px; justify-content:center;}
.fig-col{display:flex; flex-direction:column; align-items:center; justify-content:flex-end; height:100%; width:88px;}
.fig-val{font-family:var(--mono); font-size:13px; color:var(--slate); margin-bottom:8px;}
.fig-val.win{color:var(--emerald); font-weight:600;}
.fig-bar{width:100%; border-radius:4px 4px 0 0; background:var(--carbon-3); border:1px solid var(--line-strong); border-bottom:none;}
.fig-bar.win{background:rgba(19,207,158,.14); border-color:var(--emerald);}
.fig-name{font-family:var(--mono); font-size:11.5px; color:var(--slate); margin-top:10px; text-align:center;}
.fig-name.win{color:var(--cream);}
.fig-caption{margin-top:24px; padding-top:18px; border-top:1px solid var(--line); font-family:var(--mono); font-size:12px; color:var(--slate); line-height:1.6;}
.fig-caption b{color:var(--cream); font-weight:500;}

/* results / spec tables */
table.spec-table{width:100%; border-collapse:collapse; font-size:14px;}
table.spec-table th, table.spec-table td{padding:12px 14px; border-bottom:1px solid var(--line); text-align:left;}
table.spec-table th{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--slate); font-weight:500;}
table.spec-table td{font-family:var(--mono); font-size:13.5px; color:rgba(236,233,218,.85);}
table.spec-table td.win, table.spec-table th.win{color:var(--emerald); font-weight:600; background:rgba(19,207,158,.05);}
table.spec-table tr:last-child td{border-bottom:none;}
table.spec-table a.doc-link{color:var(--cream); border-bottom:1px solid var(--line-strong); transition:all .15s;}
table.spec-table a.doc-link:hover{color:var(--emerald); border-color:var(--emerald);}
.access-tag{font-family:var(--mono); font-size:10px; letter-spacing:.08em; text-transform:uppercase; padding:3px 9px; border-radius:999px; border:1px solid var(--line-strong);}
.access-tag.public{color:var(--slate);}
.access-tag.gated{color:var(--emerald); border-color:var(--emerald);}

/* order / ordering-info cards */
.order-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:var(--card-gap);}
@media (max-width:820px){ .order-grid{grid-template-columns:1fr;} }
.order-card{border:1px solid var(--line); border-radius:var(--radius-card); padding:var(--card-pad); background:var(--carbon-2); display:flex; flex-direction:column; gap:10px;}
.order-card .sku{font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; color:var(--emerald); text-transform:uppercase;}
.order-card h3{font-family:var(--display); font-weight:500; font-size:19px;}
.order-card p{font-size:13.5px; color:var(--slate); line-height:1.55; flex:1;}
.order-card .cta{margin-top:8px; font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--cream); border:1px solid var(--line-strong); border-radius:999px; padding:9px 14px; text-align:center; transition:all .15s;}
.order-card .cta:hover{border-color:var(--emerald); color:var(--emerald);}
.order-card.hi{border-color:var(--emerald);}

/* appendix / footnote pattern */
.appx{border:1px solid var(--line); border-radius:4px; margin-bottom:10px; overflow:hidden;}
.appx summary{list-style:none; cursor:pointer; padding:16px 18px; display:flex; gap:14px; align-items:baseline; font-size:14.5px; font-weight:500;}
.appx summary::-webkit-details-marker{display:none;}
.appx summary .id{font-family:var(--mono); font-size:12px; color:var(--emerald); flex-shrink:0;}
.appx summary .plus{margin-left:auto; color:var(--slate); font-family:var(--mono);}
.appx p{padding:0 18px 18px 52px; font-size:13.5px; color:var(--slate); line-height:1.6; max-width:64ch;}

/* forms — spec-intake pattern */
.form-card{border:1px solid var(--line); border-radius:var(--radius-card); background:var(--carbon-2); padding:calc(var(--card-pad) * 1.45);}
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:var(--card-gap);}
.form-grid.full{grid-template-columns:1fr;}
@media (max-width:640px){ .form-grid{grid-template-columns:1fr;} }
.field{display:flex; flex-direction:column; gap:8px;}
.field.span2{grid-column:1 / -1;}
.field label{font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--slate);}
.field label .req{color:var(--emerald);}
.field input[type=text], .field input[type=email], .field select, .field textarea{
  background:var(--carbon); border:1px solid var(--line-strong); border-radius:6px;
  color:var(--cream); font-family:var(--sans); font-size:14px; padding:11px 12px;
  outline:none; transition:border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--emerald);}
.field textarea{resize:vertical; min-height:88px;}
.field .hint{font-family:var(--mono); font-size:10.5px; color:var(--slate);}
.check-row{display:flex; flex-wrap:wrap; gap:10px;}
.check-pill{display:flex; align-items:center; gap:7px; font-size:12.5px; color:rgba(236,233,218,.85); border:1px solid var(--line-strong); border-radius:999px; padding:7px 12px;}
.check-pill input{accent-color:var(--emerald);}
.radio-row{display:flex; flex-wrap:wrap; gap:16px;}
.radio-row label{display:flex; align-items:center; gap:8px; font-size:13.5px; color:rgba(236,233,218,.85);}
.radio-row input{accent-color:var(--emerald);}
.form-submit{margin-top:24px; display:flex; align-items:center; gap:16px; flex-wrap:wrap;}
.btn-primary{font-family:var(--mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; padding:12px 22px; border-radius:999px; background:var(--emerald); color:var(--carbon); border:1px solid var(--emerald); cursor:pointer; transition:all .15s;}
.btn-primary:hover{background:var(--emerald-mid); border-color:var(--emerald-mid);}
.form-note{font-family:var(--mono); font-size:11.5px; color:var(--slate); line-height:1.6;}
.disclaimer{margin-top:28px; padding-top:20px; border-top:1px solid var(--line); font-size:11.5px; color:var(--slate); line-height:1.7; max-width:74ch;}

/* pipeline (method diagram) */
.pipeline{display:flex; align-items:stretch; gap:0; overflow-x:auto; padding-bottom:8px;}
.pnode{flex:1; min-width:140px; background:var(--carbon-2); border:1px solid var(--line); border-radius:calc(var(--radius-card) - 2px); padding:16px 14px; margin-right:var(--card-gap); position:relative;}
.pnode:last-child{margin-right:0;}
.pnode:not(:last-child)::after{content:"→"; position:absolute; right:calc(var(--card-gap) * -0.9); top:50%; transform:translateY(-50%); color:var(--slate); font-family:var(--mono); font-size:14px;}
.pnode .tag{font-family:var(--mono); font-size:10px; letter-spacing:.08em; text-transform:uppercase; color:var(--emerald); margin-bottom:8px;}
.pnode .body{font-size:13px; color:rgba(236,233,218,.82); line-height:1.5;}
.pnode.hi{border-color:var(--emerald); background:rgba(19,207,158,.06);}

/* people (team page) */
.people{display:grid; grid-template-columns:repeat(2,1fr); gap:var(--card-gap);}
@media (max-width:700px){ .people{grid-template-columns:1fr;} }
.person{border:1px solid var(--line); border-radius:var(--radius-card); background:var(--carbon-2); padding:var(--card-pad); display:flex; flex-direction:column; gap:10px;}
.person .avatar{width:48px; height:48px; border-radius:50%; background:rgba(19,207,158,.12); border:1px solid var(--line-strong); display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:14px; color:var(--emerald); font-weight:600;}
.person h3{font-family:var(--display); font-weight:500; font-size:18px;}
.person .role{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--emerald);}
.person p{font-size:13.5px; color:var(--slate); line-height:1.6;}
.person.open{border-style:dashed; align-items:flex-start; justify-content:center;}
.person.open .role{color:var(--slate);}

footer{border-top:1px solid var(--line); padding:44px 0; color:var(--slate); font-family:var(--mono); font-size:11.5px;}
.foot-inner{display:flex; flex-wrap:wrap; justify-content:space-between; gap:14px;}
.foot-links{display:flex; gap:18px; flex-wrap:wrap;}
.foot-links a:hover{color:var(--emerald);}