/* Bella Mobile Brand Guidelines — modern / minimal. Cerulean hero #0E9BD6 + navy family. No electric blue #0057FF. */
  :root{
    --cerulean:#0E9BD6; --cerulean-deep:#068CC6; --cerulean-ink:#04354A;
    --navy:#000E19; --navy7:#13344F; --navy5:#2E5A7D; --navy3:#8A98A6; --navy1:#D6DDE4;
    --black:#1B1B1B; --gray:#EEEEEE;
    --cream:#F3F1EC; --offwhite:#F7F8FA; --grey:#6B7A8D; --line:#ECEEF1; --line2:#E2E5EA; --white:#FFFFFF;
    --success:#1E6F5C; --warning:#E8A33D; --error:#C8553D;
    --r:14px; --r-sm:9px;
    --maxw:1120px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{margin:0;font-family:"Host Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    color:var(--navy);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased;font-weight:400;}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  h1,h2,h3,h4{margin:0;line-height:1.08;letter-spacing:-.03em;}
  h1{font-size:clamp(2.6rem,6vw,4.4rem);font-weight:700;}
  h2{font-size:clamp(1.8rem,3.4vw,2.7rem);font-weight:600;}
  h3{font-size:1.15rem;font-weight:600;letter-spacing:-.02em;}
  h4{font-size:.98rem;font-weight:600;letter-spacing:-.01em;}
  p{margin:0;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
  .eyebrow,.sec-num{text-transform:uppercase;letter-spacing:.22em;font-size:.68rem;font-weight:600;color:var(--cerulean);}
  .lead{font-size:clamp(1rem,1.4vw,1.18rem);color:var(--grey);max-width:60ch;font-weight:400;line-height:1.6;}

  /* nav — minimal hairline bar */
  .topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);}
  .topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;}
  .topbar .brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:.95rem;letter-spacing:-.01em;}
  .topbar .brand .dot{height:22px;width:auto;display:block;}
  .topbar nav{display:flex;gap:26px;}
  .topbar nav a{color:var(--grey);font-size:.82rem;font-weight:500;transition:color .15s;}
  .topbar nav a:hover{color:var(--navy);}
  .topbar nav a[aria-current="true"]{color:var(--cerulean-deep);font-weight:600;}
  @media(max-width:880px){.topbar nav{display:none;}}

  /* cover — modern layered hero */
  .cover{background:var(--navy);color:#fff;position:relative;overflow:hidden;}
  /* soft cerulean glow, top-right */
  .cover .glow{position:absolute;top:-220px;right:-160px;width:620px;height:620px;border-radius:50%;
    background:radial-gradient(circle, rgba(14,155,214,.42) 0%, rgba(14,155,214,.12) 42%, transparent 70%);
    pointer-events:none;z-index:0;}
  /* fine dot grid texture */
  .cover .dots{position:absolute;inset:0;z-index:0;pointer-events:none;
    background-image:radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);background-size:30px 30px;
    -webkit-mask-image:linear-gradient(to bottom right, #000, transparent 75%);mask-image:linear-gradient(to bottom right, #000, transparent 75%);}
  /* giant ghost icon, bleeding off the right edge */
  .cover .ghost{position:absolute;right:-60px;bottom:-120px;height:128%;width:auto;z-index:0;opacity:.05;pointer-events:none;}
  .cover .wrap{padding-top:clamp(96px,15vw,168px);padding-bottom:clamp(96px,15vw,168px);position:relative;z-index:2;}
  .cover .kicker{display:inline-flex;align-items:center;gap:11px;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--cerulean);font-weight:600;margin-bottom:30px;}
  .cover .kicker::before{content:"";width:30px;height:1.5px;background:var(--cerulean);}
  .cover .logo-mark{width:290px;max-width:64vw;margin-bottom:38px;display:block;}
  .cover h1{color:#fff;max-width:12ch;font-weight:700;letter-spacing:-.04em;}
  .cover .tagline{color:rgba(255,255,255,.6);font-size:clamp(1.05rem,1.9vw,1.32rem);margin-top:22px;font-weight:400;max-width:42ch;line-height:1.45;}
  .cover .meta{margin-top:52px;display:flex;gap:0;flex-wrap:wrap;color:rgba(255,255,255,.45);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;align-items:center;}
  .cover .meta span{padding:0 20px;border-left:1px solid rgba(255,255,255,.14);}
  .cover .meta span:first-child{padding-left:0;border-left:none;}
  .cover .rule{position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--cerulean),var(--cerulean-deep));z-index:2;}

  /* TOC — minimal list, no boxes */
  .toc{border-bottom:1px solid var(--line);}
  .toc .wrap{padding-top:18px;padding-bottom:18px;display:flex;flex-wrap:wrap;gap:6px 30px;}
  .toc a{display:flex;align-items:baseline;gap:8px;font-size:.86rem;color:var(--grey);padding:6px 0;font-weight:500;transition:color .15s;}
  .toc a:hover{color:var(--navy);}
  .toc a .n{font-size:.68rem;color:var(--cerulean);font-weight:600;font-variant-numeric:tabular-nums;}

  section{padding:clamp(72px,11vw,128px) 0;}
  section + section{border-top:1px solid var(--line);}
  .sec-head{margin-bottom:56px;max-width:62ch;}
  .sec-head .sec-num{display:block;margin-bottom:18px;}
  .sec-head h2{margin-bottom:18px;}

  .grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
  .g2{grid-template-columns:repeat(2,1fr);}
  .g3{grid-template-columns:repeat(3,1fr);}
  @media(max-width:760px){.g3{grid-template-columns:1fr;} .g2{grid-template-columns:1fr;}}
  .cell{background:#fff;padding:32px;}
  .cell h4{margin-bottom:8px;}
  .cell p{color:var(--grey);font-size:.92rem;line-height:1.6;}
  .cell.dark{background:var(--navy);color:#fff;}
  .cell.dark h4{color:#fff;}.cell.dark p{color:rgba(255,255,255,.6);}
  .cell.hero{background:var(--cerulean);}
  .cell.hero h4{color:#fff;}.cell.hero p{color:rgba(255,255,255,.85);}
  .cell.hero .idx{color:#fff !important;opacity:.8;}
  .cell .idx{font-size:.68rem;color:var(--cerulean);font-weight:600;letter-spacing:.12em;display:block;margin-bottom:14px;}

  /* logo display tiles — show the real provided files, cropped of their square padding */
  .logo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  @media(max-width:680px){.logo-grid{grid-template-columns:1fr;}}
  .ltile{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
  .ltile .frame{height:210px;display:flex;align-items:center;justify-content:center;padding:32px;}
  .ltile .frame.light{background:var(--offwhite);}
  .ltile .frame.dark{background:var(--navy);}
  .ltile .frame img{max-width:78%;max-height:100%;width:auto;}          /* full = wide logotype */
  .ltile.compact .frame img{max-width:none;max-height:100%;width:auto;} /* icon = tall mark */
  .ltile .cap{padding:13px 18px;font-size:.8rem;color:var(--grey);border-top:1px solid var(--line);display:flex;justify-content:space-between;}
  .ltile .cap b{color:var(--navy);font-weight:600;}

  .icon-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px;}
  @media(max-width:560px){.icon-row{grid-template-columns:1fr;}}
  .itile{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
  .itile .frame{height:160px;display:flex;align-items:center;justify-content:center;}
  .itile .frame img{height:96px;width:auto;}
  .itile .cap{padding:12px 16px;font-size:.78rem;color:var(--grey);border-top:1px solid var(--line);}

  /* swatches — full colour blocks with print specs (matches standalone swatch page) */
  .board{display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;grid-template-rows:auto auto;gap:14px;}
  .board .tile{position:relative;border-radius:4px;overflow:hidden;min-height:248px;padding:24px;display:flex;flex-direction:column;}
  .board .tile.hero{grid-row:1 / span 2;min-height:510px;}
  .board .tile .label{font-size:.92rem;font-weight:700;letter-spacing:-.01em;}
  .board .tile .specs{margin-top:auto;display:grid;grid-template-columns:auto 1fr;gap:3px 18px;font-size:.78rem;line-height:1.5;font-variant-numeric:tabular-nums;}
  .board .tile .specs .t{font-weight:600;opacity:.85;letter-spacing:.02em;}
  .board .tile.bordered{border:1px solid #E2E2DE;}
  .board .tile .mk{position:absolute;top:18px;right:18px;height:46px;width:auto;}
  .board.trio{grid-template-columns:1fr 1fr 1fr;grid-template-rows:auto;margin-top:14px;}
  .board.trio .tile{min-height:200px;}
  @media(max-width:920px){
    .board,.board.trio{grid-template-columns:1fr 1fr;grid-template-rows:auto;}
    .board .tile.hero{grid-row:auto;grid-column:1 / -1;min-height:240px;}
  }
  @media(max-width:560px){.board,.board.trio{grid-template-columns:1fr;}.board .tile.hero{grid-column:auto;}}

  /* colour — spec rows: swatch · name/role · digital values · print values */
  .col-list{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
  .col-head{display:grid;grid-template-columns:64px 1.5fr 1fr 1fr;gap:20px;padding:12px 20px;background:var(--offwhite);border-bottom:1px solid var(--line);
    font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);font-weight:600;}
  .col-head span:nth-child(3),.col-head span:nth-child(4){text-align:right;}
  .col-row{display:grid;grid-template-columns:64px 1.5fr 1fr 1fr;gap:20px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);}
  .col-row:last-child{border-bottom:none;}
  .col-row .chip{width:64px;height:48px;border-radius:var(--r-sm);}
  .col-row .nm{font-weight:600;font-size:.95rem;}
  .col-row .rl{font-size:.8rem;color:var(--grey);margin-top:1px;line-height:1.4;}
  .col-row .val{font-size:.78rem;color:var(--grey);font-variant-numeric:tabular-nums;text-align:right;line-height:1.6;}
  .col-row .val b{color:var(--navy);font-weight:600;}
  @media(max-width:680px){
    .col-head{display:none;}
    .col-row{grid-template-columns:48px 1fr;gap:14px;}
    .col-row .chip{width:48px;height:40px;}
    .col-row .val{grid-column:2;text-align:left;}
  }
  .ramp{display:flex;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);margin-top:20px;}
  .ramp .step{flex:1;height:88px;display:flex;align-items:flex-end;padding:10px;font-size:.7rem;font-weight:600;font-variant-numeric:tabular-nums;}

  .combos{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:20px;}
  @media(max-width:680px){.combos{grid-template-columns:1fr;}}
  .combo{padding:28px 22px;}
  .combo .aa{font-size:1.7rem;font-weight:600;line-height:1;}
  .combo .ln{font-size:.82rem;margin-top:6px;opacity:.85;}
  .combo .cap{display:block;margin-top:16px;font-size:.74rem;opacity:.7;}
  .combo .ratio{font-weight:600;}

  /* type */
  .big-aa{font-size:clamp(7rem,22vw,15rem);font-weight:700;line-height:.82;letter-spacing:-.05em;color:var(--navy);}
  .weights{border-top:1px solid var(--line);margin-top:8px;}
  .specimen,.scale-row{border-bottom:1px solid var(--line);padding:18px 0;display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:baseline;}
  .specimen .w,.scale-row .lbl{font-size:.72rem;color:var(--grey);letter-spacing:.12em;text-transform:uppercase;}

  ul.clean{margin:0;padding-left:1.1em;}
  ul.clean li{margin:.45em 0;color:var(--grey);font-size:.92rem;}

  .voice{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
  @media(max-width:640px){.voice{grid-template-columns:1fr;}}
  .voice .col{border:1px solid var(--line);border-radius:var(--r);padding:28px;}
  .voice .col.dark{background:var(--navy);border-color:transparent;}
  .voice h4{margin-bottom:16px;}.voice .col.dark h4{color:#fff;}
  .vlist{list-style:none;padding:0;margin:0;}
  .vlist li{padding:9px 0;font-size:.92rem;border-bottom:1px solid var(--line);color:var(--grey);}
  .voice .col.dark .vlist li{border-bottom:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.78);}
  .vlist.are li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cerulean);margin-right:12px;vertical-align:2px;}
  .vlist.arenot li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--navy3);margin-right:12px;vertical-align:2px;}
  .tone-row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:14px 0;border-bottom:1px solid var(--line);align-items:baseline;}
  .tone-row .tag{font-size:.74rem;font-weight:600;color:var(--cerulean-deep);letter-spacing:.04em;}
  .tone-row p{margin:0;color:var(--grey);font-size:.9rem;}

  /* applications */
  .bizcard{background:var(--navy);border-radius:var(--r);aspect-ratio:85/55;padding:26px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;color:#fff;}
  .bizcard .bm{position:relative;z-index:1;display:flex;align-items:center;gap:9px;}
  .bizcard .bm .dot{height:30px;width:auto;display:block;}
  .bizcard .bm .wm{font-size:1.05rem;letter-spacing:-.01em;}.bizcard .bm .wm b{font-weight:700;}
  .bizcard .url{font-size:.74rem;color:rgba(255,255,255,.45);position:relative;z-index:1;letter-spacing:.04em;}
  .bizcard .accent{position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:var(--cerulean);opacity:.16;}
  .bizback{background:#fff;border:1px solid var(--line);border-radius:var(--r);aspect-ratio:85/55;padding:26px;display:flex;flex-direction:column;justify-content:center;}
  .bizback .nm{font-weight:600;font-size:1.05rem;}
  .bizback .ti{color:var(--cerulean-deep);font-size:.82rem;font-weight:500;margin:2px 0 14px;}
  .bizback .ln{font-size:.8rem;color:var(--grey);line-height:1.7;}
  .sm-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  @media(max-width:680px){.sm-tiles{grid-template-columns:repeat(2,1fr);}}
  .sm-tile{border:1px solid var(--line);border-radius:var(--r);padding:20px;min-height:104px;display:flex;flex-direction:column;justify-content:space-between;}
  .sm-tile .lbl{font-weight:600;font-size:.92rem;}
  .sm-tile .dim{font-size:.76rem;color:var(--grey);}

  /* quick ref */
  .qr{background:var(--navy);color:#fff;border-radius:var(--r);padding:clamp(32px,5vw,56px);}
  .qr h2{color:#fff;margin-bottom:8px;}
  .qr .sub{color:rgba(255,255,255,.45);font-size:.88rem;}
  .qr .cols{display:grid;grid-template-columns:repeat(2,1fr);gap:48px;margin-top:36px;}
  @media(max-width:680px){.qr .cols{grid-template-columns:1fr;gap:32px;}}
  .qr h4{color:var(--cerulean);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:16px;font-weight:600;}
  .qr .line{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.86rem;}
  .qr .line span:first-child{color:rgba(255,255,255,.5);}
  .qr .line span:last-child{font-weight:500;text-align:right;}
  .qr .dot{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:9px;vertical-align:-1px;}

  footer{border-top:1px solid var(--line);text-align:center;padding:48px 0;color:var(--grey);font-size:.82rem;}
  footer .brand{display:inline-flex;align-items:center;gap:9px;font-weight:600;color:var(--navy);margin-bottom:12px;}
  footer .brand .dot{height:22px;width:auto;display:block;}