@import url('/fonts/fonts.css');

:root{
  /* Nuordic brand — monochrome architectural */
  --white:#FFFFFF;
  --off-white:#F5F5F5;
  --paper:#FBFBFA;
  --ink:#111111;          /* headings / primary */
  --charcoal:#333333;      /* body */
  --grey:#666666;
  --mid:#999999;
  --line:#E8E8E8;
  --line-2:#DCDCDC;
  --black:#000000;
  --accent:#111111;        /* brand primary = black */
  --glow:rgba(255,242,220,.55);
  --radius:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --pill:50px;
  --shadow-1:0 1px 2px rgba(17,17,17,.04);
  --shadow-2:0 1px 2px rgba(17,17,17,.04), 0 14px 40px rgba(17,17,17,.06);
  --shadow-3:0 10px 30px rgba(17,17,17,.10);
  --ease:cubic-bezier(.25,.46,.45,.94);
  --font:'Outfit','Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);color:var(--charcoal);background:var(--white);
  -webkit-font-smoothing:antialiased;font-size:14px;line-height:1.55;letter-spacing:-.005em;
}
::selection{background:#111;color:#fff}

/* ---------- top bar ---------- */
.nav{display:flex;align-items:center;justify-content:space-between;
  padding:18px 34px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.86);
  backdrop-filter:saturate(1.2) blur(10px);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:30px;width:auto;display:block}
.nav .steps{display:flex;gap:4px;align-items:center;font-size:12px;color:var(--mid);
  font-weight:500;letter-spacing:0}
.nav .steps .s{display:flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--pill);
  transition:.3s var(--ease)}
.nav .steps .s .dot{width:6px;height:6px;border-radius:50%;background:var(--line-2);transition:.3s var(--ease)}
.nav .steps .s.active{color:var(--ink);background:var(--off-white);font-weight:600}
.nav .steps .s.active .dot{background:var(--ink)}
.nav .steps .sep{width:16px;height:1px;background:var(--line-2)}

/* ---------- layout ---------- */
.workspace{max-width:1280px;margin:30px auto;padding:0 34px;
  display:grid;grid-template-columns:minmax(0,1fr) 392px;gap:26px;align-items:start}
@media(max-width:980px){.workspace{grid-template-columns:1fr}}

.stage{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-2);overflow:hidden}
.stage-head{display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;border-bottom:1px solid var(--line)}
.stage-head h1{font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.stage-head .tools{display:flex;gap:8px}
.chips{display:flex;gap:6px}
.chips button{border:1px solid var(--line-2);background:var(--white);color:var(--grey);
  padding:8px 15px;border-radius:var(--pill);font:600 12px var(--font);cursor:pointer;
  transition:.2s var(--ease)}
.chips button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.ghost{border:1px solid var(--line-2);background:var(--white);color:var(--ink);
  padding:9px 16px;border-radius:var(--pill);font:600 12px var(--font);cursor:pointer;
  transition:.25s var(--ease)}
.ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.ghost:disabled{opacity:.4;cursor:not-allowed;transform:none}

.stage-body{padding:24px}
.drop{position:relative;border:1.5px dashed var(--line-2);border-radius:var(--radius);
  min-height:460px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;cursor:pointer;color:var(--mid);
  background:
    linear-gradient(var(--line) 1px,transparent 1px) 0 0/28px 28px,
    linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/28px 28px,
    var(--paper);
  transition:.25s var(--ease)}
.drop:hover,.drop.hover{border-color:var(--ink);color:var(--charcoal);
  box-shadow:inset 0 0 0 3px var(--off-white)}
.drop .ico{width:54px;height:54px;color:var(--ink);opacity:.85}
.drop strong{font-weight:600;font-size:20px;color:var(--ink);letter-spacing:-.02em}
.drop .sub{font-size:12.5px}

.canvas-wrap{position:relative}
canvas{width:100%;display:block;border-radius:var(--radius-md);background:#fbfbfa;
  box-shadow:var(--shadow-1);cursor:crosshair;touch-action:none}
.overlay-hint{position:absolute;left:50%;top:16px;transform:translateX(-50%);
  background:rgba(17,17,17,.9);color:#fff;font-size:11.5px;font-weight:500;
  padding:8px 16px;border-radius:var(--pill);display:flex;align-items:center;gap:9px;
  pointer-events:none;transition:.3s var(--ease)}
.overlay-hint .k{background:rgba(255,255,255,.16);border-radius:5px;padding:2px 7px;font-size:10.5px}
.overlay-hint.gone{opacity:0;transform:translateX(-50%) translateY(-6px)}

/* ---------- rail / form ---------- */
.rail{display:flex;flex-direction:column;gap:18px}
@media(min-width:981px){.rail{position:sticky;top:96px}}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-2);padding:24px}
.panel > .eyebrow{font-size:10.5px;letter-spacing:1.8px;text-transform:uppercase;
  color:var(--mid);font-weight:600;margin-bottom:6px}
.panel h2{font-weight:700;font-size:21px;margin:0 0 18px;letter-spacing:-.02em;color:var(--ink)}

.field{margin-bottom:14px}
.field label{display:block;font-size:10.5px;letter-spacing:1px;color:var(--mid);
  margin-bottom:6px;font-weight:600;text-transform:uppercase}
.field input,.field select{width:100%;padding:11px 13px;border:1px solid var(--line-2);
  border-radius:var(--radius-sm);font:500 14px var(--font);background:var(--off-white);color:var(--ink);
  transition:.18s var(--ease)}
.field input:focus,.field select:focus{outline:none;border-color:var(--ink);
  background:#fff;box-shadow:0 0 0 3px rgba(17,17,17,.06)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
details{margin:2px 0 16px;border-top:1px solid var(--line);padding-top:14px}
summary{cursor:pointer;font-size:12px;color:var(--ink);font-weight:600;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"＋ ";font-weight:600}
details[open] summary::before{content:"－ "}

.toggle{display:flex;align-items:center;gap:9px;margin:2px 0 14px;font-size:13px;
  color:var(--charcoal);cursor:pointer;user-select:none}
.toggle input{width:16px;height:16px;accent-color:var(--ink);cursor:pointer}
.toggle em{color:var(--mid);font-style:normal;font-size:11px}
.render-link{display:inline-block;margin-top:12px;font-size:12.5px;font-weight:600;
  color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line-2)}
.render-link:hover{border-color:var(--ink)}
.cta{width:100%;padding:15px;margin-top:4px;border:0;border-radius:var(--pill);cursor:pointer;
  background:var(--ink);color:#fff;font:600 15px var(--font);letter-spacing:-.01em;
  display:flex;align-items:center;justify-content:center;gap:9px;
  box-shadow:0 6px 18px rgba(17,17,17,.16);transition:.25s var(--ease)}
.cta .arw{transition:.25s var(--ease)}
.cta:hover{background:#000;transform:translateY(-1px);box-shadow:0 10px 24px rgba(17,17,17,.22)}
.cta:hover .arw{transform:translateX(4px)}
.cta:active{transform:translateY(0)}
.cta:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.err{color:#B14A3A;font-size:12px;margin-top:10px;min-height:1px}

/* ---------- results ---------- */
.results{opacity:0;transform:translateY(8px);transition:.5s var(--ease)}
.results.show{opacity:1;transform:none}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.kpi{border:1px solid var(--line);border-radius:var(--radius-md);padding:15px 17px;
  background:var(--off-white)}
.kpi.hero{background:var(--ink);border-color:var(--ink)}
.kpi .v{font-weight:700;font-size:29px;line-height:1;color:var(--ink);letter-spacing:-.03em}
.kpi.hero .v{color:#fff}
.kpi .u{font-size:12px;color:var(--grey);font-weight:600}
.kpi.hero .u{color:rgba(255,255,255,.7)}
.kpi .l{font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:var(--mid);margin-top:8px;font-weight:600}
.kpi.hero .l{color:rgba(255,255,255,.55)}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.actions a{text-align:center;text-decoration:none;padding:13px;border-radius:var(--pill);
  font:600 13px var(--font);transition:.25s var(--ease)}
.a-pdf{background:var(--ink);color:#fff}
.a-pdf:hover{background:#000;transform:translateY(-1px)}
.a-heat{background:var(--white);color:var(--ink);border:1px solid var(--line-2)}
.a-heat:hover{border-color:var(--ink);transform:translateY(-1px)}
.meta-line{font-size:11.5px;color:var(--mid);margin-top:14px;text-align:center}

.hidden{display:none !important}
.spin{width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  border-radius:50%;display:inline-block;vertical-align:-2px;margin-right:8px;
  animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.footer-note{max-width:1280px;margin:8px auto 44px;padding:0 34px;font-size:11px;color:var(--mid)}