/* ── FONTSANS FONT STACK ── */
@font-face {
  font-family: 'fontsans';
  src: local('Inter'), local('Figtree'), local('Segoe UI'), local('Helvetica Neue');
  font-weight: 100 700;
  font-style: normal;
}
@font-face {
  font-family: 'fontsans Fallback';
  src: local('Arial Black'), local('Arial'), local('sans-serif');
  font-weight: 100 700;
  font-style: normal;
}

/* ── HEADING FONT override to Inter for maximum black weight ── */
h1,h2,h3,h4,h5,h6{
  font-family: 'Inter','fontsans','fontsans Fallback',sans-serif !important;
}

/* ── LIGHT MODE (DEFAULT) ── */
:root{
  --brand:#e8400a;--brand-bg:rgba(232,64,10,.09);
  --bg:#ffffff;--bg2:#f7f7f7;--bg3:#efefef;
  --border:#e0e0e0;--text:#111111;--text2:#444444;--muted:#777777;
  --card:#ffffff;--nav-bg:rgba(255,255,255,.96);
  --shadow:0 2px 14px rgba(0,0,0,.07);--shadow-lg:0 8px 36px rgba(0,0,0,.12);
  --radius:12px;
  --mono:'JetBrains Mono',monospace;
  --sans:'Inter','fontsans','fontsans Fallback','Figtree',sans-serif;

  /* Font sizes */
  --fs-nav: 16px;
  --fs-body: 21px;
  --fs-small: 16px;
  --fs-h1: 48px;
  --fs-h2: 40px;
}
html.dark{
  --bg:#111111;--bg2:#1a1a1a;--bg3:#252525;
  --border:#333333;--text:#eeeeee;--text2:#cccccc;--muted:#888888;
  --card:#1a1a1a;--nav-bg:rgba(17,17,17,.96);
  --shadow:0 2px 14px rgba(0,0,0,.4);--shadow-lg:0 8px 36px rgba(0,0,0,.6);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  transition:background .25s,color .25s;
  font-size: var(--fs-body);
}
a{color:inherit;text-decoration:none}

/* ── GLOBAL HEADING BOLD ── */
h1,h2,h3,h4,h5,h6{
  font-weight:700;
  font-family:'Inter','fontsans','fontsans Fallback',sans-serif;
  letter-spacing:-.04em;
  -webkit-font-smoothing:antialiased;
  font-stretch:normal;
}
.nav-center>li>a,.drop a,.lang-btn,.lang-opt,
.sec-tag,.hero-badge,.btn,.stat .lbl,.tip-c p,
.blog-tag,.blog-meta,.blog-c p,.ft-bottom,.copy-hint,
.harm-sel,footer ul li a,footer h4,.sh-pill,.hex-b,
.cv label,.tbl-wrap thead th,.tbl-wrap tbody td,
.blog-body p,.blog-body .blog-tag,.blog-body .blog-meta{font-size:var(--fs-small)!important;}

/* ── MAIN BODY TEXT = 21px ── */
.hero-sub,.sec-desc,.art-sec p,.art-sec ul,.faq-q,.faq-a,
.tip-c h4{font-size:var(--fs-body)!important;}

/* ══ NAV ══ */
nav{
  position:sticky;top:0;z-index:200;
  background:var(--nav-bg);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;height:64px;box-shadow:var(--shadow);
  gap:12px;
}
.nav-logo{
  font-weight:800;
  font-size:1.15rem;
  letter-spacing:-.5px;
  display:flex;align-items:center;gap:5px;flex-shrink:0;white-space:nowrap;
  font-family:var(--sans);
}
.nav-logo .hash{color:var(--brand);font-size:1.4rem}
.nav-center{display:flex;align-items:center;gap:0;list-style:none;flex:1;justify-content:center}
.nav-center li{position:relative}
.nav-center>li>a{
  display:flex;align-items:center;gap:6px;padding:7px 10px;border-radius:8px;
  font-size:var(--fs-small);
  font-weight:700;
  font-family:var(--sans);
  color:var(--text2);
  transition:background .18s,color .18s;white-space:nowrap;position:relative;
}
.nav-center>li>a:hover{background:var(--bg3);color:var(--text)}
/* SVG icon inside nav */
.nav-center>li>a .ni{
  width:18px;height:18px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.nav-center>li>a .ni svg{
  width:18px;height:18px;
  stroke:currentColor;fill:none;
  stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
}
.nav-center>li>a .rdot{
  width:7px;height:7px;border-radius:50%;background:#e8400a;
  position:absolute;top:4px;right:4px;
}
.nav-center li.hd:hover .drop{display:block}
.drop{
  display:none;position:absolute;top:calc(100% + 4px);left:0;
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:6px;min-width:195px;
  box-shadow:var(--shadow-lg);z-index:300;
}
.drop a{
  display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:7px;
  font-size:var(--fs-small);
  font-weight:600;color:var(--muted);
  font-family:var(--sans);
}
.drop a .ni{width:17px;height:17px;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.drop a .ni svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.drop a:hover{background:var(--bg3);color:var(--text)}
.nav-right{display:flex;align-items:center;gap:7px;flex-shrink:0}

/* Theme toggle */
.theme-toggle{display:flex;align-items:center;background:var(--bg3);border:1.5px solid var(--border);border-radius:50px;padding:3px;gap:2px}
.tbtn{width:30px;height:30px;border-radius:50px;border:none;background:transparent;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:background .2s,transform .15s;color:var(--muted)}
.tbtn.act{background:var(--brand);color:#fff;transform:scale(1.05)}

/* Language */
.lang-wrap{position:relative}
.lang-btn{
  display:flex;align-items:center;gap:5px;
  background:var(--bg3);border:1.5px solid var(--border);
  border-radius:8px;padding:5px 9px;cursor:pointer;
  font-size:var(--fs-small);font-weight:700;color:var(--text2);
  font-family:var(--sans);
  transition:border-color .2s;white-space:nowrap;
}
.lang-btn:hover{border-color:var(--brand);color:var(--brand)}
.lang-dd{
  display:none;position:absolute;top:calc(100%+6px);right:0;
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:6px;min-width:175px;
  box-shadow:var(--shadow-lg);z-index:400;max-height:300px;overflow-y:auto;
}
.lang-wrap:hover .lang-dd{display:block}
.lang-opt{display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:7px;cursor:pointer;font-size:var(--fs-small);font-weight:600;color:var(--muted);transition:background .15s;font-family:var(--sans);}
.lang-opt:hover{background:var(--bg3);color:var(--text)}
.lang-opt.act{color:var(--brand)}

.hmbg{display:none;background:none;border:none;cursor:pointer;padding:4px;flex-shrink:0}
.hmbg span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;transition:.3s;border-radius:2px}

/* ══ HERO ══ */
.hero{text-align:center;padding:72px 24px 52px;background:radial-gradient(ellipse 80% 55% at 50% 0%,rgba(232,64,10,.07) 0%,transparent 68%);border-bottom:1px solid var(--border)}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--brand-bg);color:var(--brand);border:1px solid rgba(232,64,10,.2);border-radius:50px;padding:4px 14px;font-size:var(--fs-small);font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px;font-family:var(--sans);}
.hero h1{
  font-size:var(--fs-h1);
  font-weight:700;
  letter-spacing:-.05em;
  line-height:1.1;
  margin-bottom:14px;
  font-family:var(--sans);
}
.hero h1 em{color:var(--brand);font-style:normal}
.hero-sub{color:var(--muted);font-size:var(--fs-body);max-width:580px;margin:0 auto 28px;font-family:var(--sans);}
.hero-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.pal-strip{display:flex;height:52px;border-radius:12px;overflow:hidden;max-width:580px;margin:0 auto;box-shadow:var(--shadow)}
.pal-strip div{flex:1;cursor:pointer;transition:flex .3s}
.pal-strip div:hover{flex:2.5}

/* ══ STATS ══ */
.stats-bar{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:24px}
.stats-inner{display:flex;justify-content:center;flex-wrap:wrap;max-width:860px;margin:0 auto}
.stat{text-align:center;padding:0 32px;border-right:1px solid var(--border)}
.stat:last-child{border-right:none}
.stat .num{font-size:1.9rem;font-weight:800;color:var(--brand);letter-spacing:-.04em;font-family:var(--sans);}
.stat .lbl{font-size:var(--fs-small);color:var(--muted);font-weight:600;margin-top:2px;font-family:var(--sans);}

/* ══ SECTIONS ══ */
.sec{padding:60px 24px;max-width:1100px;margin:0 auto}
.hr{border:none;border-top:1px solid var(--border);margin:0}
.sec-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.sec-inner.rv{direction:rtl}
.sec-inner.rv>*{direction:ltr}
.sec-tag{display:inline-block;font-size:var(--fs-small);font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);background:var(--brand-bg);border-radius:20px;padding:4px 12px;margin-bottom:12px;font-family:var(--sans);}
.sec h2{
  font-size:var(--fs-h2);
  font-weight:700;
  letter-spacing:-.04em;
  margin-bottom:10px;
  line-height:1.15;
  font-family:var(--sans);
}
.sec-desc{color:var(--muted);font-size:var(--fs-body);margin-bottom:20px;line-height:1.72;font-family:var(--sans);}
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--brand);color:white;padding:10px 20px;border-radius:9px;font-weight:700;font-size:var(--fs-small);font-family:var(--sans);transition:opacity .2s,transform .15s;cursor:pointer;border:none}
.btn:hover{opacity:.88;transform:translateY(-1px)}
.btn-g{background:transparent;border:1.5px solid var(--border);color:var(--text2);margin-left:8px}
.btn-g:hover{border-color:var(--brand);color:var(--brand)}

/* ══ PICKER CARD ══ */
.pcard{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
#colorCanvas{width:100%;aspect-ratio:1/.65;border-radius:9px;cursor:crosshair;display:block;touch-action:none}
.hue-wrap{position:relative;margin-top:10px;height:18px}
#hueBar{width:100%;height:18px;border-radius:9px;cursor:pointer;display:block}
.hue-th{position:absolute;top:50%;transform:translate(-50%,-50%);width:22px;height:22px;border-radius:50%;border:3px solid white;box-shadow:0 1px 6px rgba(0,0,0,.45);pointer-events:none;left:4%}
.cvals{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:12px}
.cv label{display:block;font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:3px;font-family:var(--sans);}
.cv input{width:100%;background:var(--bg3);border:1px solid var(--border);color:var(--text);border-radius:7px;padding:6px 9px;font-family:var(--mono);font-size:.77rem;transition:border-color .2s}
.cv input:focus{outline:none;border-color:var(--brand)}
.prev-bar{height:40px;border-radius:9px;margin-top:12px;transition:background .1s;cursor:pointer}
.copy-hint{font-size:.72rem;color:var(--muted);text-align:center;margin-top:4px;font-family:var(--sans);}

/* ══ WHEEL ══ */
.wcard{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;align-items:center;box-shadow:var(--shadow)}
#wheelCanvas{cursor:crosshair;display:block;max-width:210px}
.harm-sw{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap;justify-content:center}
.h-sw{width:40px;height:40px;border-radius:7px;border:2px solid rgba(128,128,128,.15);cursor:pointer;transition:transform .15s,box-shadow .15s;display:flex;align-items:flex-end;justify-content:center;padding-bottom:2px}
.h-sw:hover{transform:scale(1.12);box-shadow:0 4px 12px rgba(0,0,0,.18)}
.h-sw span{font-size:.48rem;font-family:var(--mono);color:white;text-shadow:0 1px 3px rgba(0,0,0,.8)}
.harm-sel{background:var(--bg3);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:6px 11px;font-size:var(--fs-small);margin-top:9px;font-family:var(--sans);font-weight:600}

/* ══ TABLE ══ */
.tbl-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:var(--fs-small)}
thead tr{background:var(--bg2)}
thead th{padding:10px 14px;text-align:left;font-size:var(--fs-small);font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-family:var(--sans);}
tbody tr{border-top:1px solid var(--border);transition:background .12s}
tbody tr:hover{background:var(--bg2)}
td{padding:9px 14px;font-family:var(--sans);font-size:var(--fs-small);}
.sw{width:26px;height:26px;border-radius:6px;flex-shrink:0;border:1px solid var(--border)}
.hex-b{font-family:var(--mono);font-size:.75rem;background:var(--bg3);padding:3px 7px;border-radius:5px;color:var(--brand);cursor:pointer;transition:background .15s;font-weight:500}
.hex-b:hover{background:var(--border)}

/* ══ SHADES ══ */
.sh-grid{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}
.sh-pill{padding:7px 15px;border-radius:20px;font-size:.85rem;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s;border:none;font-family:var(--sans);}
.sh-pill:hover{transform:scale(1.06);box-shadow:0 4px 14px rgba(0,0,0,.18)}

/* ══ TIPS GRID ══ */
.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:18px}
.tip-c{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.tip-c .ico{font-size:1.5rem;margin-bottom:9px}
.tip-c h4{font-size:var(--fs-body);font-weight:700;margin-bottom:5px;font-family:var(--sans);}
.tip-c p{font-size:var(--fs-small);color:var(--muted);line-height:1.6;font-family:var(--sans);}

/* ══ ARTICLE ══ */
.art-sec{max-width:800px;margin:0 auto;padding:52px 24px}
.art-sec h2{
  font-size:var(--fs-h2);
  font-weight:700;
  letter-spacing:-.04em;
  margin-bottom:12px;
  font-family:var(--sans);
  line-height:1.15;
}
.art-sec h3{font-size:var(--fs-body);font-weight:700;margin:26px 0 7px;color:var(--brand);font-family:var(--sans);}
.art-sec p{color:var(--text2);font-size:var(--fs-body);margin-bottom:12px;line-height:1.76;font-family:var(--sans);}
.art-sec ul{color:var(--text2);font-size:var(--fs-body);padding-left:20px;line-height:1.8;margin-bottom:12px;font-family:var(--sans);}
.art-sec li{margin-bottom:4px}
.hex-grid{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.hex-ex{display:flex;align-items:center;gap:8px;background:var(--bg2);border:1px solid var(--border);border-radius:9px;padding:7px 12px}
.hex-ex .dot{width:20px;height:20px;border-radius:5px;flex-shrink:0;border:1px solid var(--border)}
.hex-ex code{font-family:var(--mono);font-size:.76rem;color:var(--brand);font-weight:500}

/* ══ FAQ ══ */
.faq-sec{max-width:800px;margin:0 auto;padding:0 24px 60px}
.faq-sec h2{font-size:var(--fs-h2);font-weight:700;letter-spacing:-.04em;margin-bottom:24px;font-family:var(--sans);line-height:1.15;}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:9px;overflow:hidden;background:var(--card)}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:15px 18px;font-size:var(--fs-body);font-weight:700;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:10px;transition:background .15s;font-family:var(--sans);}
.faq-q:hover{background:var(--bg2)}
.faq-q .arr{font-size:.9rem;color:var(--muted);transition:transform .25s;flex-shrink:0}
.faq-q.open .arr{transform:rotate(180deg)}
.faq-a{display:none;padding:0 18px 14px;color:var(--text2);font-size:var(--fs-body);line-height:1.74;font-family:var(--sans);}
.faq-a.show{display:block}

/* ══ BLOG ══ */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:20px}
.blog-c{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;cursor:pointer}
.blog-c:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.blog-thumb{height:150px;display:flex;align-items:center;justify-content:center;font-size:2.8rem}
.blog-body{padding:16px}
.blog-tag{font-size:var(--fs-small);font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin-bottom:5px;font-family:var(--sans);}
.blog-c h3{font-size:var(--fs-body);font-weight:700;margin-bottom:5px;line-height:1.4;font-family:var(--sans);}
.blog-c p{font-size:var(--fs-small);color:var(--muted);line-height:1.58;font-family:var(--sans);}
.blog-meta{font-size:var(--fs-small);color:var(--muted);margin-top:9px;font-family:var(--sans);}

/* ══ CONVERTER ══ */
.conv-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:8px}

/* ══ FOOTER ══ */
.ft-wrap{border-top:1px solid var(--border);background:var(--bg2)}
footer{padding:44px 24px 28px;max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:28px}
footer h4{font-size:var(--fs-small);font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:11px;font-family:var(--sans);}
footer ul{list-style:none}
footer ul li{margin-bottom:6px}
footer ul li a{font-size:var(--fs-small);color:var(--muted);transition:color .15s;font-weight:500;font-family:var(--sans);}
footer ul li a:hover{color:var(--brand)}
.ft-brand p{font-size:var(--fs-small);color:var(--muted);margin-top:7px;max-width:200px;line-height:1.55;font-family:var(--sans);}
.ft-bottom{border-top:1px solid var(--border);padding:16px 24px;text-align:center;font-size:var(--fs-small);color:var(--muted);max-width:1100px;margin:0 auto;font-family:var(--sans);}

/* ══ TOAST ══ */
#toast{position:fixed;bottom:22px;right:22px;z-index:9999;background:var(--text);color:var(--bg);border-radius:9px;padding:10px 16px;font-size:var(--fs-small);font-weight:600;transform:translateY(60px);opacity:0;transition:.28s;pointer-events:none;font-family:var(--sans);}
#toast.show{transform:translateY(0);opacity:1}

/* ══ RESPONSIVE ══ */
@media(max-width:700px){
  .sec-inner{grid-template-columns:1fr}
  .sec-inner.rv{direction:ltr}
  .nav-center{display:none}
  .hmbg{display:block}
  .nav-center.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--border);padding:10px 14px;align-items:flex-start;box-shadow:var(--shadow-lg)}
  .nav-center.open li{width:100%}
  .nav-center.open>li>a{font-size:var(--fs-nav);padding:9px 11px}
  .conv-grid{grid-template-columns:1fr 1fr}
  .stat{padding:0 16px}
  :root{--fs-h1:38px;--fs-h2:30px;--fs-body:18px;}
}
@media(max-width:560px){
  .stat{border-right:none;padding:8px 16px}
  .blog-grid{grid-template-columns:1fr}
  nav{padding:0 14px}
  :root{--fs-h1:32px;--fs-h2:26px;--fs-body:17px;}
}