/* ============================================================
   ColorPickee - shared base styles (tokens, header, footer,
   tool-shell, common sections). Used by every page on the site.
   Page-specific overrides, if any, go in that page's own
   <style> block or assets/css/<page>.css.
   ============================================================ */

:root{
  --ink:#1B1726;
  --ink-soft:#5B5568;
  --ink-faint:#948FA0;
  --paper:#FFFFFF;
  --paper-soft:#F8F6FC;
  --paper-dim:#EFEAF7;
  --line:#E4DEF0;

  --brand:#7C3AED;       /* violet - primary accent */
  --brand-ink:#5B21B6;
  --brand-soft:#F1E8FE;

  --coral:#FF6B4A;        /* secondary accent */
  --coral-ink:#D9502F;
  --coral-soft:#FFE9E2;

  --teal:#0EA5A0;         /* tertiary accent, used sparingly */
  --teal-soft:#DFF6F4;

  --shadow-card: 0 1px 2px rgba(27,23,38,0.05);
  --shadow-lift: 0 20px 44px -16px rgba(27,23,38,0.24);
  --radius: 16px;

  --font-display:'Sora', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit; cursor:pointer;}
.wrap{max-width:1180px; margin:0 auto; padding:0 28px;}
section{position:relative;}
h1,h2,h3{font-family:var(--font-display); letter-spacing:-0.01em; color:var(--ink);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

.eyebrow{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--brand-ink); display:inline-flex; align-items:center; gap:8px; font-weight:600;
}
.eyebrow::before{content:""; width:6px; height:6px; background:var(--brand); border-radius:2px; display:inline-block;}

a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible{
  outline:2px solid var(--brand); outline-offset:3px; border-radius:4px;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-weight:600; font-size:14.5px; padding:11px 20px; border-radius:10px;
  border:1px solid transparent; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--brand); color:#fff;}
.btn-brand:hover{background:var(--brand-ink); transform:translateY(-1px); box-shadow:var(--shadow-lift);}
.btn-ghost{background:var(--paper); color:var(--ink); border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-dark{background:var(--ink); color:#fff;}
.btn-dark:hover{background:#000;}

/* ============ HEADER ============ */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex; align-items:center; justify-content:space-between; height:60px; gap:20px;}
.logo{display:flex; align-items:center; gap:9px; font-family:var(--font-display); font-weight:700; font-size:17px; color:var(--ink);}
.logo-mark{width:26px; height:26px; flex-shrink:0;}
.logo-mark svg{width:100%; height:100%; display:block;}
.nav-links{display:flex; align-items:center; gap:24px;}
.nav-links a{font-size:14px; font-weight:500; color:var(--ink-soft); transition:color .15s ease;}
.nav-links a:hover{color:var(--ink);}
.nav-links a.active{color:var(--brand-ink); font-weight:600;}
.nav-cta{display:flex; align-items:center; gap:14px;}

.nav-dropdown-btn{
  display:flex; align-items:center; gap:5px; font-size:14px; font-weight:500; color:var(--ink-soft);
  background:none; border:none; padding:0; font-family:inherit;
}
.nav-dropdown-btn:hover, .nav-dropdown-btn[aria-expanded="true"]{color:var(--ink);}
.nav-dropdown-btn .chev{width:13px; height:13px; transition:transform .15s ease;}
.nav-dropdown-btn[aria-expanded="true"] .chev{transform:rotate(180deg);}

.mega-menu{
  position:absolute; top:100%; left:0; right:0; background:var(--paper);
  border-bottom:1px solid var(--line); box-shadow:0 24px 44px -22px rgba(27,23,38,.18);
  display:none; z-index:99;
}
.mega-menu.open{display:block;}
.mega-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:8px 26px; padding:30px 28px 34px;}
.mega-col h4{
  font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.06em;
  color:var(--ink-faint); margin-bottom:12px; font-weight:500;
}
.mega-col a{display:flex; align-items:center; gap:10px; font-size:13.5px; font-weight:500; color:var(--ink); padding:7px 0;}
.mega-col a:hover{color:var(--brand-ink);}
.mega-icon{
  width:26px; height:26px; border-radius:7px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:var(--brand-soft); color:var(--brand-ink);
}
.mega-col:nth-child(2n) .mega-icon{background:var(--coral-soft); color:var(--coral-ink);}
.mega-col:nth-child(3n) .mega-icon{background:var(--teal-soft); color:var(--teal);}
.mega-icon svg{width:14px; height:14px;}
.mega-icon.swatch{padding:4px; gap:2px; display:grid; grid-template-columns:1fr 1fr; background:var(--paper-dim);}
.mega-icon.swatch span{border-radius:2px;}

.header-badge{
  display:flex; align-items:center; gap:7px; font-family:var(--font-mono); font-size:11.5px;
  color:var(--ink-soft); border:1px solid var(--line); padding:5px 11px; border-radius:999px;
}
.header-badge svg{width:13px; height:13px; color:var(--teal);}
.burger{display:none; width:40px; height:40px; align-items:center; justify-content:center; border:1px solid var(--line); border-radius:9px; background:none;}
.burger svg{width:19px; height:19px;}

/* ============ BREADCRUMB ============ */
.breadcrumb{display:flex; align-items:center; gap:8px; flex-wrap:wrap; font-size:13px; color:var(--ink-faint); padding:14px 0;}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--brand-ink);}
.breadcrumb .current{color:var(--ink); font-weight:500;}

/* ============ TOOL HERO ============ */
.tool-hero{
  padding:4px 0 18px;
  background:radial-gradient(760px 400px at 82% -14%, var(--brand-soft) 0%, transparent 60%),
             radial-gradient(600px 320px at 6% 0%, var(--coral-soft) 0%, transparent 55%);
}
.tool-hero-copy{max-width:600px; margin:0 auto 16px; text-align:center;}
.tool-hero-copy h1{font-size:clamp(19px,2.3vw,25px); line-height:1.18; margin:7px 0 5px;}
.tool-hero-copy p.lead{font-size:13px; color:var(--ink-soft); max-width:460px; margin:0 auto;}

/* swatch strip - decorative brand signature along the top of the tool card */
.swatch-strip{display:flex; height:8px; border-radius:8px 8px 0 0; overflow:hidden;}
.swatch-strip span{flex:1;}

/* ============ TOOL SHELL (static mockup) ============ */
.tool-shell{
  max-width:760px; margin:0 auto;
  border:1px solid var(--line); border-radius:var(--radius);
  background:var(--paper); box-shadow:var(--shadow-card);
  overflow:hidden;
}
.tool-body{padding:18px 22px 16px;}

.color-input-row{display:flex; align-items:center; gap:10px; margin-bottom:12px;}
.color-input-field{
  flex:1; min-width:0; display:flex; align-items:center; gap:9px;
  border:1.6px solid var(--line); border-radius:11px; padding:9px 14px;
  font-family:var(--font-mono); font-size:14.5px; font-weight:600; color:var(--ink);
  background:var(--paper-soft);
}
.color-input-field .hash{color:var(--ink-faint);}
.color-input-field input{
  border:none; background:none; outline:none; font:inherit; color:inherit; flex:1; min-width:0; letter-spacing:.02em;
}
.color-input-field input::placeholder{color:var(--ink-faint); font-weight:500;}

/* multi-segment variant (R / G / B) - same shell as .color-input-field, split into 3 */
.color-input-field.rgb-field{padding:8px 6px; gap:0;}
.rgb-seg{flex:1; min-width:0; display:flex; align-items:center; gap:7px; padding:0 10px;}
.rgb-seg .hash{flex-shrink:0; font-size:12px;}
.rgb-seg input{width:100%;}
.rgb-divider{width:1px; align-self:stretch; margin:2px 0; background:var(--line); flex-shrink:0;}
@media (max-width:480px){
  .rgb-seg{padding:0 6px; gap:4px;}
  .rgb-seg input{font-size:13px;}
}
/* checkerboard = "nothing picked yet" indicator, used on the swatch + preview before input */
.checker{
  background-image:
    repeating-conic-gradient(var(--paper-dim) 0% 25%, var(--paper) 0% 50%);
  background-size:14px 14px;
}
.picker-swatch{
  width:38px; height:38px; border-radius:11px; flex-shrink:0; border:1px solid var(--line);
  position:relative; cursor:pointer;
  display:flex; align-items:center; justify-content:center; color:var(--ink-faint);
}
.picker-swatch::after{
  content:""; position:absolute; inset:-1px; border-radius:12px;
  box-shadow:0 0 0 3px var(--paper), 0 0 0 4.6px var(--line);
  pointer-events:none;
}
.picker-swatch svg{width:15px; height:15px; position:relative;}

.example-row{display:flex; align-items:center; gap:7px; margin-bottom:14px; flex-wrap:wrap;}
.example-row .ex-label{font-size:12px; color:var(--ink-faint); margin-right:2px;}
.example-swatch{
  width:19px; height:19px; border-radius:6px; border:1px solid rgba(0,0,0,.06);
  cursor:pointer; transition:transform .15s ease;
}
.example-swatch:hover{transform:translateY(-2px) scale(1.06);}

.big-preview{
  height:78px; border-radius:11px; margin-bottom:14px;
  display:flex; align-items:center; justify-content:center; text-align:center;
  position:relative; overflow:hidden; border:1.4px dashed var(--line);
}
.big-preview .empty-msg{position:relative; display:flex; flex-direction:row; align-items:center; gap:8px; color:var(--ink-faint); padding:0 20px;}
.big-preview .empty-msg[hidden]{display:none;}
.big-preview .empty-msg svg{width:17px; height:17px; opacity:.8; flex-shrink:0;}
.big-preview .empty-msg span{font-size:12.5px; font-weight:500;}
.big-preview .eyedrop-btn{
  position:absolute; top:8px; right:8px;
  display:flex; align-items:center; gap:6px;
  background:var(--paper); border:1px solid var(--line); border-radius:999px;
  padding:6px 12px 6px 9px; color:var(--ink-soft);
  font-size:11.5px; font-weight:600; letter-spacing:.01em;
  box-shadow:0 3px 10px -4px rgba(27,23,38,.25);
  transition:border-color .15s ease, color .15s ease, background .15s ease;
}
.big-preview .eyedrop-btn:hover{border-color:var(--brand); color:var(--brand-ink); background:var(--brand-soft);}
.big-preview .eyedrop-btn svg{width:13px; height:13px; flex-shrink:0;}

/* ============ EYEDROPPER CTA (eyedropper-tool page) ============ */
.eyedrop-cta{
  display:flex; flex-direction:column; align-items:center; gap:12px;
  text-align:center; padding:22px 16px 20px;
}
.eyedrop-cta-btn{
  display:inline-flex; align-items:center; gap:10px;
  background:var(--brand); color:#fff; border:none;
  font-family:var(--font-body); font-weight:700; font-size:15px;
  padding:14px 26px; border-radius:14px;
  box-shadow:var(--shadow-card);
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.eyedrop-cta-btn:hover{background:var(--brand-ink); transform:translateY(-1px); box-shadow:var(--shadow-lift);}
.eyedrop-cta-icon{
  width:30px; height:30px; border-radius:50%; background:rgba(255,255,255,.2);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.eyedrop-cta-icon svg{width:15px; height:15px;}
.eyedrop-cta-hint{
  display:flex; align-items:center; gap:6px; font-size:12px; color:var(--ink-faint);
  max-width:380px;
}
.eyedrop-cta-hint svg{width:14px; height:14px; flex-shrink:0; color:var(--coral-ink);}
.eyedrop-cta-hint[hidden]{display:none;}
.eyedrop-cta-kbd-hint{font-size:12px; color:var(--ink-faint);}
.eyedrop-cta-kbd-hint[hidden]{display:none;}
.eyedrop-cta-kbd-hint kbd, .fallback-head kbd{
  font-family:var(--font-mono); font-size:11px; color:var(--ink-soft);
  background:var(--paper-soft); border:1px solid var(--line); border-bottom-width:2px;
  border-radius:5px; padding:1px 6px; margin:0 1px;
}

/* ---- picked-color preview row ---- */
.preview-row{display:flex; align-items:center; gap:14px; margin:16px 0; padding:12px; border:1px solid var(--line); border-radius:12px; background:var(--paper-soft);}
.preview-swatch{width:52px; height:52px; border-radius:10px; flex-shrink:0; border:1px solid rgba(0,0,0,.06); box-shadow:inset 0 0 0 3px var(--paper);}
.preview-info{min-width:0; flex:1;}
.preview-name-row{display:flex; align-items:center; gap:8px; flex-wrap:wrap;}
.preview-name{font-size:13.5px; font-weight:600; color:var(--ink); word-break:break-word;}
.contrast-badges{display:flex; gap:6px; margin-top:7px; flex-wrap:wrap;}
.contrast-badges[hidden]{display:none;}
.contrast-badge{
  font-family:var(--font-mono); font-size:10.5px; font-weight:700; letter-spacing:.02em;
  padding:3px 8px; border-radius:999px; border:1px solid var(--line); color:var(--ink-soft);
}
.contrast-badge.is-pass{color:var(--teal); border-color:var(--teal); background:var(--teal-soft);}
.contrast-badge.is-fail{color:var(--coral-ink); border-color:var(--coral); background:var(--coral-soft);}

/* checkerboard placeholder, shared by preview swatch + fallback canvas */
.checker{
  background-image:linear-gradient(45deg,#e9e4f3 25%,transparent 25%),linear-gradient(-45deg,#e9e4f3 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9e4f3 75%),linear-gradient(-45deg,transparent 75%,#e9e4f3 75%);
  background-size:12px 12px; background-position:0 0,0 6px,6px -6px,-6px 0;
}

.copy-all-btn{
  width:100%; margin-top:10px; display:flex; align-items:center; justify-content:center; gap:8px;
  background:var(--paper); border:1.4px dashed var(--line); border-radius:10px; padding:10px; 
  font-size:13px; font-weight:600; color:var(--ink-soft); transition:border-color .15s ease, color .15s ease, background .15s ease;
}
.copy-all-btn svg{width:13px; height:13px;}
.copy-all-btn:hover:not(:disabled){border-color:var(--brand); border-style:solid; color:var(--brand-ink); background:var(--brand-soft);}
.copy-all-btn:disabled{opacity:.45; cursor:not-allowed;}

/* ---- recent picks history strip ---- */
.history-section{max-width:760px; margin:22px auto 0;}
.history-section[hidden]{display:none;}
.history-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:9px;}
.history-title{font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-faint); font-weight:600;}
.history-clear{background:none; border:none; font:inherit; font-size:12px; font-weight:600; color:var(--ink-faint); padding:2px;}
.history-clear:hover{color:var(--coral-ink);}
.history-strip{display:flex; gap:8px; flex-wrap:wrap;}
.history-swatch{
  width:34px; height:34px; border-radius:9px; border:1px solid rgba(0,0,0,.08); position:relative;
  transition:transform .15s ease, box-shadow .15s ease; flex-shrink:0;
}
.history-swatch:hover{transform:translateY(-2px) scale(1.06); box-shadow:var(--shadow-card);}

/* ---- fallback image picker (Safari / Firefox) ---- */
.fallback-picker{max-width:760px; margin:34px auto 0;}
.fallback-picker[hidden]{display:none;}
.fallback-head{text-align:center; margin-bottom:16px;}
.fallback-head h2{font-size:19px; margin:6px 0 6px;}
.fallback-head p{font-size:13px; color:var(--ink-soft); max-width:460px; margin:0 auto;}
.fallback-drop{
  border:1.6px dashed var(--line); border-radius:14px; background:var(--paper-soft);
  min-height:180px; display:flex; align-items:center; justify-content:center; position:relative;
  overflow:hidden; transition:border-color .15s ease, background .15s ease;
}
.fallback-drop:focus-visible{outline:2px solid var(--brand); outline-offset:2px;}
.fallback-drop.is-dragover{border-color:var(--brand); background:var(--brand-soft);}
.fallback-drop-empty{display:flex; flex-direction:column; align-items:center; gap:10px; text-align:center; padding:30px 20px; color:var(--ink-faint);}
.fallback-drop-empty svg{width:30px; height:30px; opacity:.7;}
.fallback-drop-empty span{font-size:13px; max-width:320px;}
.fallback-browse-btn{background:none; border:none; font:inherit; font-size:13px; font-weight:700; color:var(--brand-ink); text-decoration:underline; padding:0;}
.fallback-canvas-wrap{position:relative; width:100%; line-height:0;}
.fallback-canvas-wrap[hidden]{display:none;}
#fallbackCanvas{width:100%; height:auto; display:block; cursor:crosshair;}
.fallback-magnifier{
  position:absolute; width:96px; height:96px; border-radius:50%; border:3px solid #fff;
  box-shadow:0 6px 20px -6px rgba(27,23,38,.4), 0 0 0 1px var(--line);
  pointer-events:none; overflow:hidden; image-rendering:pixelated; transform:translate(-50%,-120%);
}
.fallback-magnifier[hidden]{display:none;}
.fallback-magnifier::after{
  content:""; position:absolute; inset:0; border-radius:50%;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.08);
  background:radial-gradient(circle at center, transparent 0 40%, rgba(0,0,0,0) 40%);
}
.fallback-magnifier-center{position:absolute; top:50%; left:50%; width:9px; height:9px; margin:-4.5px 0 0 -4.5px; border:1.6px solid #fff; box-shadow:0 0 0 1px rgba(0,0,0,.35); border-radius:2px;}
.fallback-actions{display:flex; justify-content:center; margin-top:12px;}
.fallback-actions[hidden]{display:none;}

@media (max-width:520px){
  .preview-row{flex-wrap:wrap;}
}

.output-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:8px;}
.output-chip{
  display:flex; align-items:center; justify-content:space-between; gap:8px;
  border:1px solid var(--line); border-radius:9px; padding:8px 10px;
  transition:border-color .15s ease, background .15s ease;
}
.output-chip.is-empty{background:var(--paper-soft);}
.output-chip:not(.is-empty):hover{border-color:var(--brand); background:var(--brand-soft); cursor:pointer;}
.output-chip .oc-label{font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-faint); display:block; margin-bottom:3px;}
.output-chip .oc-value{font-family:var(--font-mono); font-size:12.5px; font-weight:600; color:var(--ink); word-break:break-all;}
.output-chip.is-empty .oc-value{color:var(--ink-faint); font-weight:500;}
.output-chip .oc-copy{width:22px; height:22px; border-radius:6px; display:flex; align-items:center; justify-content:center; color:var(--ink-faint); flex-shrink:0; transition:color .15s ease, background .15s ease;}
.output-chip .oc-copy svg{width:12px; height:12px;}
.output-chip.wide{grid-column:1 / -1;}
.output-chip.is-copied{border-color:var(--teal); background:var(--teal-soft);}
.output-chip.is-copied .oc-copy{color:var(--teal); background:#fff;}
.output-chip.is-copied .oc-label{color:var(--teal); font-weight:700;}

/* ---- functional tool states (hex-to-rgb and other converters) ---- */
.color-input-field.is-invalid{border-color:var(--coral); background:var(--coral-soft);}
.input-hint{font-size:11.5px; color:var(--coral-ink); margin:-6px 0 12px; display:flex; align-items:center; gap:5px;}
.input-hint[hidden]{display:none;}
.input-tip{
  font-size:12px; color:var(--ink-faint); margin:-2px 0 14px; padding:8px 12px;
  background:var(--paper-soft); border:1px solid var(--line); border-radius:9px;
}
.input-tip code{font-family:var(--font-mono); font-size:11.5px; background:var(--paper-dim); padding:1px 5px; border-radius:4px;}
.picker-swatch{overflow:hidden;}
.picker-swatch input[type="color"]{
  position:absolute; inset:0; width:100%; height:100%; opacity:0; border:none; padding:0; cursor:pointer; z-index:1;
}
.eyedrop-btn{cursor:pointer;}
.eyedrop-btn[hidden]{display:none;}
.big-preview.is-filled{border-style:solid;}
.big-preview .preview-label{
  position:relative; font-family:var(--font-mono); font-weight:700; font-size:15px; letter-spacing:.03em;
}
@media (max-width:480px){
  .big-preview .eyedrop-btn .eyedrop-label{display:none;}
  .big-preview .eyedrop-btn{padding:7px; gap:0;}
}

.tool-footnote{
  display:flex; align-items:center; justify-content:center; gap:8px;
  font-size:12px; color:var(--ink-faint); margin-top:12px;
}
.tool-footnote svg{width:14px; height:14px; color:var(--teal); flex-shrink:0;}

/* ============ PALETTE GENERATOR ============ */
.tool-shell-wide{max-width:860px;}
.btn-sm{padding:8px 14px; font-size:13px; border-radius:9px;}

.palette-controls{
  display:flex; align-items:center; flex-wrap:wrap; gap:12px 16px; margin-bottom:16px;
}
.palette-generate-btn svg{width:15px; height:15px;}
.palette-hint{font-size:12.5px; color:var(--ink-faint);}
.palette-hint kbd{
  font-family:var(--font-mono); font-size:11px; color:var(--ink-soft);
  background:var(--paper-soft); border:1px solid var(--line); border-bottom-width:2px;
  border-radius:5px; padding:1px 6px; margin:0 1px;
}
.palette-controls-right{display:flex; align-items:center; gap:10px; margin-left:auto; flex-wrap:wrap;}

.count-pills{display:flex; border:1px solid var(--line); border-radius:10px; padding:3px; background:var(--paper-soft); gap:2px;}
.count-pill{
  min-width:30px; padding:6px 0; border-radius:7px; font-family:var(--font-mono); font-size:12.5px; font-weight:600;
  color:var(--ink-soft); background:none; border:none; cursor:pointer; transition:background .15s ease, color .15s ease;
}
.count-pill:hover{color:var(--ink);}
.count-pill.is-active{background:var(--paper); color:var(--brand-ink); box-shadow:var(--shadow-card);}

.harmony-select{
  font:inherit; font-size:13px; font-weight:600; color:var(--ink);
  border:1px solid var(--line); border-radius:10px; padding:8px 12px;
  background:var(--paper-soft); cursor:pointer;
}

.palette-row{display:flex; gap:8px; margin-bottom:14px;}
.palette-swatch{
  position:relative; flex:1; min-width:0; height:220px; border-radius:12px;
  display:flex; flex-direction:column; justify-content:space-between; overflow:hidden;
  border:1px solid rgba(0,0,0,.06);
}
.palette-lock{
  align-self:flex-end; margin:9px 9px 0 0; width:30px; height:30px; border-radius:9px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.3); color:#fff;
  backdrop-filter:blur(2px); transition:background .15s ease, color .15s ease;
}
.palette-lock svg{width:14px; height:14px;}
.palette-lock:hover{background:rgba(255,255,255,.32);}
.palette-lock.is-locked{background:#fff; color:var(--brand-ink); border-color:#fff;}
.palette-hex-bar{
  display:flex; align-items:center; justify-content:space-between; gap:6px;
  margin:0 8px 8px; padding:8px 10px; border-radius:9px;
  background:rgba(255,255,255,.9); backdrop-filter:blur(2px);
}
.palette-hex-value{font-family:var(--font-mono); font-size:12.5px; font-weight:700; color:var(--ink); letter-spacing:.02em;}
.palette-copy{width:20px; height:20px; border-radius:6px; display:flex; align-items:center; justify-content:center; color:var(--ink-faint); flex-shrink:0;}
.palette-copy svg{width:11px; height:11px;}
.palette-hex-bar:hover .palette-copy{color:var(--brand-ink);}

.palette-toolbar{display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap;}
.palette-tip{margin:0; flex:1; min-width:220px; display:flex; align-items:center; gap:7px;}
.palette-toolbar-actions{display:flex; gap:8px; flex-shrink:0;}
.palette-toolbar-actions svg{width:13px; height:13px;}

/* contrast-safe lock icon on very light swatches */
.palette-swatch.is-light .palette-lock:not(.is-locked){
  background:rgba(0,0,0,.08); border-color:rgba(0,0,0,.14); color:var(--ink);
}
.palette-swatch.is-light .palette-lock:not(.is-locked):hover{background:rgba(0,0,0,.14);}

/* undo / icon-only button */
.btn-icon{padding:11px; width:44px;}
.btn-icon svg{width:16px; height:16px;}
.btn-icon:disabled{opacity:.4; cursor:not-allowed; transform:none; box-shadow:none;}
.btn-icon:disabled:hover{border-color:var(--line);}

/* export dropdown */
.export-menu-wrap{position:relative;}
.export-menu{
  position:fixed; z-index:200; width:196px;
  background:var(--paper); border:1px solid var(--line); border-radius:12px;
  box-shadow:var(--shadow-lift); padding:6px; display:flex; flex-direction:column; gap:1px;
}
.export-menu[hidden]{display:none;}
.export-menu-item{
  display:flex; align-items:center; width:100%; text-align:left; font:inherit; font-size:13.5px;
  font-weight:500; color:var(--ink); background:none; border:none; border-radius:8px; padding:9px 10px;
  cursor:pointer; transition:background .12s ease;
}
.export-menu-item:hover, .export-menu-item:focus-visible{background:var(--paper-soft);}
.export-menu-sep{border:none; border-top:1px solid var(--line); margin:5px 2px;}

/* copy toast - fixed to the viewport so it's never clipped by an
   overflow:hidden ancestor (e.g. .tool-shell), no matter which button
   on the page triggers it. */
.copy-toast{
  position:fixed; left:50%; bottom:28px; transform:translate(-50%,12px);
  background:var(--ink); color:#fff; font-size:12.5px; font-weight:600;
  padding:8px 16px; border-radius:99px; box-shadow:var(--shadow-lift);
  opacity:0; pointer-events:none; transition:opacity .18s ease, transform .18s ease; white-space:nowrap;
  z-index:300;
}
.copy-toast.is-visible{opacity:1; transform:translate(-50%,0);}

@media (max-width:700px){
  .palette-row{flex-wrap:wrap;}
  .palette-swatch{flex:1 1 calc(50% - 8px); height:150px;}
  .palette-controls-right{margin-left:0; width:100%; justify-content:space-between;}
}
@media (max-width:420px){
  .palette-swatch{flex:1 1 100%;}
}
@media (max-width:480px){
  .copy-toast{white-space:normal; text-align:center; max-width:88vw;}
}

/* ============ SECTION HEADS ============ */
.section-head{max-width:640px; margin:0 auto 44px; text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,32px); margin:16px 0 12px;}
.section-head p{color:var(--ink-soft); font-size:15.5px;}

/* ============ WHY / SPEC SHEET ============ */
.why{padding:76px 0; background:var(--paper-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.spec-sheet{display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line);}
.spec-item{padding:26px 24px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--paper);}
.spec-icon{width:34px; height:34px; border-radius:9px; display:flex; align-items:center; justify-content:center; background:var(--brand-soft); color:var(--brand-ink); margin-bottom:12px;}
.spec-item:nth-child(2n) .spec-icon{background:var(--coral-soft); color:var(--coral-ink);}
.spec-item:nth-child(4n) .spec-icon{background:var(--teal-soft); color:var(--teal);}
.spec-icon svg{width:17px; height:17px;}
.spec-item h3{font-size:15.5px; margin-bottom:6px; font-weight:600; font-family:var(--font-body);}
.spec-item p{font-size:13.5px; color:var(--ink-soft);}

/* ============ HOW IT WORKS ============ */
.how{padding:80px 0;}
.steps{display:grid; grid-template-columns:repeat(3,1fr); counter-reset:step; position:relative;}
.step{padding:0 28px; position:relative;}
.step:not(:last-child)::after{
  content:""; position:absolute; top:26px; right:-14px; width:28px; height:1px;
  background:repeating-linear-gradient(to right, var(--line) 0 6px, transparent 6px 10px);
}
.step-num{
  font-family:var(--font-mono); font-weight:600; font-size:14px; color:var(--brand-ink);
  width:48px; height:48px; display:flex; align-items:center; justify-content:center;
  border:1.5px solid var(--brand); border-radius:50%; margin-bottom:16px;
}
.step h3{font-size:16.5px; margin-bottom:6px;}
.step p{font-size:14px; color:var(--ink-soft);}

/* ============ FAQ ============ */
.faq{padding:20px 0 100px;}
.faq-list{max-width:760px; margin:0 auto;}
details{border-bottom:1px solid var(--line); padding:18px 0;}
details summary{list-style:none; display:flex; align-items:center; justify-content:space-between; font-weight:600; font-size:15px; cursor:pointer; gap:20px;}
details summary::-webkit-details-marker{display:none;}
.faq-plus{width:24px; height:24px; flex-shrink:0; border:1px solid var(--line); border-radius:7px; display:flex; align-items:center; justify-content:center; position:relative;}
.faq-plus::before, .faq-plus::after{content:""; position:absolute; background:var(--ink);}
.faq-plus::before{width:10px; height:1.4px;}
.faq-plus::after{width:1.4px; height:10px; transition:transform .2s ease;}
details[open] .faq-plus::after{transform:rotate(90deg); opacity:0;}
details p{font-size:14.5px; color:var(--ink-soft); margin-top:10px; max-width:640px;}

/* ============ RELATED TOOLS ============ */
.related{padding:0 0 90px;}
.related-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:12px;}
.related-card{display:flex; align-items:center; gap:12px; border:1px solid var(--line); border-radius:12px; padding:14px 16px; transition:border-color .15s ease, transform .15s ease;}
.related-card:hover{border-color:var(--ink); transform:translateY(-2px);}
.related-icon{width:32px; height:32px; border-radius:9px; flex-shrink:0; display:flex; align-items:center; justify-content:center; background:var(--paper-dim); color:var(--ink);}
.related-icon svg{width:16px; height:16px;}
.related-card span{font-size:14px; font-weight:600;}

/* ============ FINAL CTA ============ */
.final-cta{background:var(--ink); color:#fff; padding:72px 0; text-align:center; position:relative; overflow:hidden;}
.final-cta::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(520px 300px at 20% 0%, rgba(124,58,237,.35), transparent 70%),
             radial-gradient(520px 300px at 80% 100%, rgba(255,107,74,.25), transparent 70%);
}
.final-cta h2{color:#fff; font-size:clamp(22px,3vw,30px); margin-bottom:12px; position:relative;}
.final-cta p{color:rgba(255,255,255,.62); margin-bottom:26px; position:relative;}

/* ============ FOOTER ============ */
footer{padding:56px 0 28px; border-top:1px solid var(--line);}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr 1fr; gap:36px; padding-bottom:40px;}
.footer-brand p{font-size:13.5px; color:var(--ink-soft); margin-top:14px; max-width:250px;}
.footer-col h4{font-size:13px; text-transform:uppercase; letter-spacing:.05em; color:var(--ink-faint); margin-bottom:16px; font-family:var(--font-mono); font-weight:500;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px; color:var(--ink-soft); transition:color .15s ease;}
.footer-col a:hover{color:var(--ink);}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:24px; border-top:1px solid var(--line); font-size:13px; color:var(--ink-faint); flex-wrap:wrap; gap:12px;}
.footer-legal{display:flex; gap:20px; flex-wrap:wrap;}

/* ============ RESPONSIVE ============ */
@media (max-width:1180px) and (min-width:961px){ .nav-links a:not(.nav-dropdown-btn){display:none;} }
@media (max-width:960px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .nav-links.nav-open{
    display:flex; flex-direction:column; align-items:stretch; gap:0;
    position:absolute; top:100%; left:0; right:0; background:var(--paper);
    border-bottom:1px solid var(--line); padding:6px 20px 16px;
    box-shadow:0 24px 44px -22px rgba(27,23,38,.18); z-index:99;
  }
  .nav-links.nav-open a:not(.nav-dropdown-btn){padding:11px 0; border-top:1px solid var(--line);}
  .nav-links.nav-open .nav-dropdown-btn{padding:11px 0; width:100%; justify-content:space-between;}
  .nav-links.nav-open .mega-menu{
    position:static; display:none; background:none; border:none; box-shadow:none;
  }
  .nav-links.nav-open .mega-menu.open{display:block;}
  .nav-links.nav-open .mega-grid{grid-template-columns:1fr; padding:0 0 10px; gap:0;}
  .nav-links.nav-open .mega-col{padding:10px 0; border-top:1px solid var(--line);}
  .spec-sheet{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr; gap:32px;}
  .step:not(:last-child)::after{display:none;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr 1fr; gap:32px 20px;}
  .mega-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:600px){
  .wrap{padding:0 18px;}
  .spec-sheet{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr; gap:30px 20px;}
  .footer-bottom{flex-direction:column; align-items:flex-start;}
  .header-badge{display:none;}
  .output-grid{grid-template-columns:1fr 1fr;}
  .tool-body{padding:20px 16px;}
  .mega-grid{grid-template-columns:1fr 1fr;}
}