/* ---- Brand faces (embedded, SIL OFL 1.1) ---- */
  @font-face{font-family:"LG Display";src:url("/fonts/Archivo_Expanded-ExtraBold.ttf") format("truetype");font-weight:800;font-style:normal;font-display:swap}
  @font-face{font-family:"LG Body";src:url("/fonts/Archivo_SemiExpanded-Regular.ttf") format("truetype");font-weight:400;font-style:normal;font-display:swap}
  @font-face{font-family:"LG Body";src:url("/fonts/Archivo_SemiExpanded-Light.ttf") format("truetype");font-weight:300;font-style:normal;font-display:swap}
  @font-face{font-family:"LG Black";src:url("/fonts/Archivo-Black.ttf") format("truetype");font-weight:900;font-style:normal;font-display:swap}

  /* ---- Tokens (light default) ---- */
  :root{
    --cream:#FFFAF0; --navy:#112941; --navy-deep:#050B22;
    --rosa:#E48E9A; --sage:#94AE81; --orange:#E65737; --gold:#F9CF58;

    --ground:#FFFAF0;
    --ground-2:#FBF3E6;          /* warm section band */
    --panel:#FFFFFF;
    --ink:#112941;
    --ink-soft:#4C5C6B;          /* navy-biased grey, not neutral */
    --ink-faint:#8A97A2;
    --line:rgba(17,41,65,.12);
    --line-strong:rgba(17,41,65,.22);
    --accent:#E65737;
    --glow:rgba(249,207,88,.55);
    --shadow:0 1px 2px rgba(17,41,65,.06),0 12px 30px -18px rgba(17,41,65,.28);
    --radius:18px;
    --maxw:1080px;
  }
  /* dark tokens (media + explicit toggle, token-level) */
  @media (prefers-color-scheme:dark){
    :root{
      --ground:#050B22; --ground-2:#0A1730; --panel:#0E1C33;
      --ink:#FFFAF0; --ink-soft:#AEBCC9; --ink-faint:#6E7E8E;
      --line:rgba(255,250,240,.14); --line-strong:rgba(255,250,240,.26);
      --accent:#F0714F; --glow:rgba(249,207,88,.42);
      --shadow:0 1px 2px rgba(0,0,0,.4),0 18px 40px -20px rgba(0,0,0,.7);
    }
  }
  :root[data-theme="dark"]{
    --ground:#050B22; --ground-2:#0A1730; --panel:#0E1C33;
    --ink:#FFFAF0; --ink-soft:#AEBCC9; --ink-faint:#6E7E8E;
    --line:rgba(255,250,240,.14); --line-strong:rgba(255,250,240,.26);
    --accent:#F0714F; --glow:rgba(249,207,88,.42);
    --shadow:0 1px 2px rgba(0,0,0,.4),0 18px 40px -20px rgba(0,0,0,.7);
  }
  :root[data-theme="light"]{
    --ground:#FFFAF0; --ground-2:#FBF3E6; --panel:#FFFFFF;
    --ink:#112941; --ink-soft:#4C5C6B; --ink-faint:#8A97A2;
    --line:rgba(17,41,65,.12); --line-strong:rgba(17,41,65,.22);
    --accent:#E65737; --glow:rgba(249,207,88,.55);
    --shadow:0 1px 2px rgba(17,41,65,.06),0 12px 30px -18px rgba(17,41,65,.28);
  }

  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{margin:0;background:var(--ground);color:var(--ink);
    font-family:"LG Body",system-ui,sans-serif;font-weight:400;
    line-height:1.65;-webkit-font-smoothing:antialiased;
    transition:background .3s ease,color .3s ease}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,44px)}
  section{padding:clamp(56px,8vw,104px) 0;border-top:1px solid var(--line)}
  section:first-of-type{border-top:0}

  h1,h2,h3{font-family:"LG Display",system-ui,sans-serif;font-weight:800;
    letter-spacing:-.01em;line-height:1.02;text-wrap:balance;margin:0}
  .eyebrow{font-family:"LG Body";font-weight:300;text-transform:uppercase;
    letter-spacing:.22em;font-size:.72rem;color:var(--accent);margin:0 0 18px}
  p{margin:0 0 1rem;max-width:64ch}
  a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
  .lede{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink-soft);font-weight:300}

  /* ---- Hero ---- */
  .hero{position:relative;padding-top:clamp(48px,7vw,88px);overflow:hidden;border-top:0}
  .hero-glow{position:absolute;inset:auto 0 0 50%;transform:translateX(-50%);
    width:min(760px,120%);height:520px;pointer-events:none;z-index:0;
    background:radial-gradient(60% 60% at 50% 40%,var(--glow),transparent 70%);
    filter:blur(8px);opacity:.9}
  @media (prefers-reduced-motion:no-preference){
    .hero-glow{animation:breathe 7s ease-in-out infinite}
  }
  @keyframes breathe{0%,100%{opacity:.72;transform:translateX(-50%) scale(1)}
    50%{opacity:1;transform:translateX(-50%) scale(1.06)}}
  .hero .inner{position:relative;z-index:1;display:flex;flex-direction:column;
    align-items:center;text-align:center;gap:26px}
  .hero-logo{max-width:min(540px,86vw);max-height:316px;width:auto;height:auto;object-fit:contain;
    filter:drop-shadow(0 8px 26px rgba(17,41,65,.14))}
  .shape-toggle{align-self:center}
  .hero .seg button{font-size:.78rem;padding:8px 15px}
  .hero h1{font-size:clamp(2.4rem,6vw,4.2rem);max-width:16ch}
  .hero .tag{color:var(--accent)}
  .hero .sub{max-width:44ch;margin:0 auto;color:var(--ink-soft);font-weight:300;
    font-size:clamp(1.05rem,1.8vw,1.3rem)}
  .kit-badge{display:inline-flex;align-items:center;gap:9px;font-family:"LG Body";
    font-weight:300;text-transform:uppercase;letter-spacing:.2em;font-size:.7rem;
    color:var(--ink-soft);border:1px solid var(--line-strong);border-radius:100px;
    padding:8px 16px}
  .kit-badge b{width:7px;height:7px;border-radius:50%;background:var(--gold);
    box-shadow:0 0 10px var(--gold)}

  /* theme-swap logos: default show navy (for light). dark shows beige. */
  .logo-swap .beige{display:none}
  @media (prefers-color-scheme:dark){.logo-swap .navy{display:none}.logo-swap .beige{display:inline}}
  :root[data-theme="dark"] .logo-swap .navy{display:none}
  :root[data-theme="dark"] .logo-swap .beige{display:inline}
  :root[data-theme="light"] .logo-swap .navy{display:inline}
  :root[data-theme="light"] .logo-swap .beige{display:none}

  /* ---- Section header ---- */
  .sec-head{display:flex;flex-direction:column;gap:8px;margin-bottom:clamp(30px,4vw,48px);max-width:60ch}
  .sec-head h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}
  .sec-head p{color:var(--ink-soft);font-weight:300;margin:0}

  /* ---- Logo gallery ---- */
  .logos{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
  .logocard{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    background:var(--panel);box-shadow:var(--shadow);display:flex;flex-direction:column}
  .stage{display:grid;place-items:center;padding:34px 26px;min-height:150px}
  .stage.light{background:#FFFAF0}
  .stage.dark{background:#112941}
  .stage.green{background:#94AE81}
  .stage img{max-width:100%;max-height:96px;height:auto;display:block}
  .stage img.big{max-height:132px}
  .meta{display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:14px 16px;border-top:1px solid var(--line)}
  .meta .name{font-size:.86rem;font-weight:400}
  .meta .dim{font-size:.72rem;color:var(--ink-faint);font-variant-numeric:tabular-nums}
  .dl{display:inline-flex;align-items:center;gap:6px;font-family:"LG Body";font-weight:400;
    font-size:.76rem;color:var(--ink);text-decoration:none;border:1px solid var(--line-strong);
    border-radius:100px;padding:6px 13px;transition:all .18s ease;white-space:nowrap}
  .dl:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
  .dl svg{width:13px;height:13px}

  /* ---- Colours ---- */
  .swatches{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
  .sw{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    background:var(--panel);box-shadow:var(--shadow)}
  .chip{height:118px;position:relative;cursor:pointer}
  .chip .copy{position:absolute;top:10px;right:10px;font-size:.64rem;letter-spacing:.1em;
    text-transform:uppercase;padding:4px 9px;border-radius:100px;background:rgba(255,255,255,.85);
    color:#112941;opacity:0;transition:opacity .16s ease;font-weight:400}
  .chip:hover .copy,.chip:focus-visible .copy{opacity:1}
  .sw-body{padding:14px 16px}
  .sw-body .nm{font-weight:400;font-size:.92rem;display:flex;align-items:center;justify-content:space-between}
  .sw-body .role{color:var(--ink-faint);font-size:.76rem;font-weight:300;margin-top:2px}
  .vals{display:flex;flex-direction:column;gap:2px;margin-top:12px;font-family:"LG Body";
    font-weight:300;font-size:.78rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}
  .vals b{font-weight:400;color:var(--ink)}
  .note-flip{font-size:.72rem;color:var(--ink-faint);margin-top:8px;font-weight:300}

  /* ---- Type ---- */
  .type-wrap{display:grid;gap:34px}
  .specimen{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
    box-shadow:var(--shadow);padding:clamp(24px,4vw,40px);overflow:hidden}
  .sp-row{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
    gap:8px;border-bottom:1px solid var(--line);padding:20px 0}
  .sp-row:first-child{padding-top:0}.sp-row:last-child{border-bottom:0;padding-bottom:0}
  .sp-label{font-family:"LG Body";font-weight:300;text-transform:uppercase;letter-spacing:.16em;
    font-size:.68rem;color:var(--ink-faint);flex:0 0 auto}
  .sp-demo{flex:1 1 60%;min-width:240px}
  .d-display{font-family:"LG Display";font-weight:800;font-size:clamp(2rem,5vw,3.2rem);
    letter-spacing:-.02em;line-height:1}
  .d-head{font-family:"LG Body";font-weight:400;font-size:clamp(1.4rem,3vw,2rem);line-height:1.1}
  .d-body{font-family:"LG Body";font-weight:300;font-size:1.05rem;line-height:1.55}
  .d-black{font-family:"LG Black";font-weight:900;text-transform:uppercase;
    letter-spacing:-.02em;font-size:clamp(1.5rem,3.4vw,2.2rem);color:var(--navy)}
  :root[data-theme="dark"] .d-black{color:var(--gold)}
  @media (prefers-color-scheme:dark){.d-black{color:var(--gold)}}
  :root[data-theme="light"] .d-black{color:var(--navy)}
  .cuts{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:4px}
  .cut{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--ground-2)}
  .cut .c-nm{font-weight:400;font-size:.85rem}
  .cut .c-use{color:var(--ink-faint);font-size:.74rem;font-weight:300}

  /* ---- Usage ---- */
  .rules{display:grid;gap:18px;grid-template-columns:1fr 1fr}
  @media (max-width:640px){.rules{grid-template-columns:1fr}}
  .rulecol{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
    box-shadow:var(--shadow);padding:22px 24px}
  .rulecol h3{font-family:"LG Body";font-weight:400;font-size:1rem;display:flex;align-items:center;
    gap:9px;margin:0 0 14px}
  .rulecol ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
  .rulecol li{display:flex;gap:11px;font-size:.92rem;font-weight:300;color:var(--ink-soft)}
  .mk{flex:0 0 auto;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
    font-size:.72rem;margin-top:1px;color:#fff;font-weight:700}
  .mk.ok{background:var(--sage)} .mk.no{background:var(--orange)}
  .swatch-dot{display:inline-block;width:.85em;height:.85em;border-radius:3px;vertical-align:-1px;
    border:1px solid var(--line-strong)}
  .rosa-demo{margin-top:16px;border-radius:12px;background:var(--rosa);display:grid;place-items:center;
    padding:22px;position:relative}
  .rosa-demo img{max-height:52px;opacity:.9}
  .rosa-demo .x{position:absolute;inset:0;display:grid;place-items:center}
  .rosa-demo .x span{font-family:"LG Display";font-weight:800;font-size:2.4rem;color:#fff;
    text-shadow:0 2px 10px rgba(17,41,65,.4)}

  /* ---- Variant builder ---- */
  .builder{display:grid;grid-template-columns:minmax(280px,370px) 1fr;gap:26px;align-items:start}
  @media (max-width:760px){.builder{grid-template-columns:1fr}}
  .bctrls{display:flex;flex-direction:column;gap:19px;border:1px solid var(--line);border-radius:var(--radius);
    background:var(--panel);box-shadow:var(--shadow);padding:22px 22px 24px}
  .ctrl{display:flex;flex-direction:column;gap:9px}
  .ctrl[hidden]{display:none}
  .ctrl-lbl{font-family:"LG Body";font-weight:300;text-transform:uppercase;letter-spacing:.16em;
    font-size:.68rem;color:var(--ink-faint);display:flex;justify-content:space-between;align-items:baseline}
  .ctrl-lbl em{font-style:normal;color:var(--ink-soft);font-variant-numeric:tabular-nums;letter-spacing:0}
  .seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:100px;overflow:hidden}
  .seg button{flex:1;appearance:none;border:0;background:transparent;color:var(--ink-soft);
    font-family:"LG Body";font-weight:400;font-size:.82rem;padding:9px 10px;cursor:pointer;transition:all .15s ease}
  .seg button.on{background:var(--navy);color:var(--cream)}
  :root[data-theme="dark"] .seg button.on{background:var(--gold);color:var(--navy)}
  @media (prefers-color-scheme:dark){.seg button.on{background:var(--gold);color:var(--navy)}}
  :root[data-theme="light"] .seg button.on{background:var(--navy);color:var(--cream)}
  .swrow{display:flex;flex-wrap:wrap;gap:8px}
  .swrow button,.swrow .custom{width:30px;height:30px;border-radius:8px;border:1px solid var(--line-strong);
    cursor:pointer;padding:0;position:relative}
  .swrow button.on{outline:2px solid var(--accent);outline-offset:2px}
  .swrow button.trans{background:repeating-conic-gradient(#c9c9c9 0% 25%,#fff 0% 50%) 50%/11px 11px}
  .swrow .custom{display:grid;place-items:center;background:var(--ground-2);overflow:hidden}
  .swrow .custom span{font-size:1.05rem;line-height:1;color:var(--ink-soft);pointer-events:none}
  .swrow .custom input{position:absolute;inset:-4px;width:calc(100% + 8px);height:calc(100% + 8px);opacity:0;cursor:pointer}
  .bctrls input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}
  .warn{font-size:.8rem;font-weight:300;color:var(--orange);background:rgba(230,87,55,.10);
    border:1px solid rgba(230,87,55,.32);border-radius:10px;padding:9px 12px}
  .warn[hidden]{display:none}
  .dlbtn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--accent);
    color:#fff;font-family:"LG Body";font-weight:400;font-size:.95rem;padding:13px 18px;border-radius:100px;
    text-decoration:none;cursor:pointer;transition:filter .15s ease;border:0}
  .dlbtn:hover{filter:brightness(1.07)}
  .dlbtn svg{width:16px;height:16px}
  .bpreview{display:flex;flex-direction:column;gap:12px;position:sticky;top:20px}
  .checker{border:1px solid var(--line);border-radius:var(--radius);
    background:repeating-conic-gradient(rgba(17,41,65,.055) 0% 25%,transparent 0% 50%) 50%/22px 22px,var(--panel);
    display:grid;place-items:center;padding:22px;min-height:300px}
  .checker canvas{max-width:100%;max-height:60vh;height:auto;width:auto;
    box-shadow:0 6px 24px -8px rgba(17,41,65,.3)}
  .fname{font-size:.75rem;color:var(--ink-faint);font-variant-numeric:tabular-nums;text-align:center;word-break:break-all}

  /* ---- Footer ---- */
  footer{border-top:1px solid var(--line);padding:clamp(40px,6vw,64px) 0 72px;background:var(--ground-2)}
  .foot-grid{display:flex;flex-wrap:wrap;gap:28px 56px;align-items:flex-start;justify-content:space-between}
  .foot-brand{display:flex;align-items:center;gap:14px}
  .foot-brand img{height:34px;width:auto}
  .foot-meta{font-size:.86rem;font-weight:300;color:var(--ink-soft);max-width:40ch}
  .foot-meta b{font-weight:400;color:var(--ink)}
  .foot-contact{font-size:.86rem;font-weight:300;color:var(--ink-soft)}
  .foot-contact .lbl{text-transform:uppercase;letter-spacing:.16em;font-size:.66rem;
    color:var(--ink-faint);display:block;margin-bottom:6px}
  .fill{border-bottom:1px dashed var(--line-strong);color:var(--ink-faint);font-style:italic}
  .toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);
    background:var(--navy);color:var(--cream);padding:10px 18px;border-radius:100px;font-size:.82rem;
    box-shadow:0 10px 30px -8px rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:all .25s ease;z-index:50}
  :root[data-theme="dark"] .toast{background:var(--gold);color:var(--navy)}
  .toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}