:root {
  --bg: #fafafa;
  --bg-elev: #ffffff;
  --text: #0a0a0a;
  --text-dim: #525252;
  --border: #e5e5e5;
  --accent: #0f766e;
  --ring: #0ea5e9;
  --icon: currentColor;            /* Light mode: follow text color */
  --icon-muted: var(--text-dim);   /* Muted variant */
}
@media (prefers-color-scheme: dark) {
  :root { 
    --bg: #0a0a0a; 
    --bg-elev: #0f0f10; 
    --text: #fafafa; 
    --text-dim: #a3a3a3; 
    --border: #262626; 
    --accent: #5eead4; 
    --ring: #38bdf8; 
    --icon: #ffffff;               /* Off-white for dark mode */
    --icon-muted: #cbd5e1;         /* Muted tint for dark mode */
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg); color: var(--text);
  line-height: 1.5;
}
.container { max-width: 1120px; margin-inline: auto; padding-inline: 1rem; }
/* a11y */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed; top: 0.75rem; left: 0.75rem; z-index: 1000; padding: .5rem .75rem; background: var(--bg-elev); border: 1px solid var(--border); border-radius: .5rem; box-shadow: 0 8px 24px rgba(0,0,0,.12); }
/* Header */
header.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in oklab, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.site-header .inner { height: 64px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; gap: .6rem; align-items: center; font-weight: 600; letter-spacing: -0.01em; }
.brand-mark { width: 36px; height: 36px; border-radius: .6rem; border: 2px dashed var(--border); }
.nav { display: flex; gap: .5rem; align-items: center; }
/* Buttons */
.btn { --pad-x: 1rem; --pad-y: .5rem; appearance: none; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: var(--pad-y) var(--pad-x); border-radius: 0.9rem; font-size: .925rem; font-weight: 600; text-decoration: none; cursor: pointer; border: 1px solid var(--border); color: var(--text); background: transparent; }
.btn:hover { background: color-mix(in oklab, var(--text) 6%, transparent); }
.btn-primary { border-color: transparent; background: var(--text); color: var(--bg); }
.btn-primary:hover { filter: brightness(.92); }
/* Focus ring */
:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; border-radius: .25rem; }
/* Hero */
.hero { padding-block: clamp(3rem, 6vw, 6rem); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1fr 1fr; } }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.1; margin: 0; font-weight: 800; }
.hero p { color: var(--text-dim); max-width: 65ch; font-size: 1.1rem; }
.hero-cta { display: flex; gap: .75rem; flex-wrap: wrap; padding-top: .25rem; }
.hero-bullets { display: grid; gap: .5rem; grid-template-columns: 1fr; margin-top: .75rem; color: var(--text-dim); font-size: .95rem; }
@media (min-width: 640px) { .hero-bullets { grid-template-columns: 1fr 1fr; } }
.bullet { display: flex; gap: .5rem; align-items: flex-start; }
.bullet .icon {
margin-top: .2rem;
  width: 1rem;
  height: 1rem;
  border: 0;
  border-radius: 0;
}
.hero-art { position: relative; }

/* Hero art box visual */
.art-box {
  aspect-ratio: 4 / 3;
  width: 100%;
  border-radius: 1.25rem;
  background: radial-gradient(60% 60% at 35% 40%, color-mix(in oklab, var(--accent) 15%, var(--bg-elev)), var(--bg-elev));
}

/* Feature grid */
.feature { padding-block: 2.5rem; border-top: 1px solid var(--border); }
.feature-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .feature-grid { grid-template-columns: repeat(4, 1fr); } }
.feature-card {
border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.1rem;
  background: var(--bg-elev);
}
.feature-card h3 { margin: .2rem 0 .25rem; font-size: 1rem; }
.feature-card p { margin: 0; font-size: .95rem; color: var(--text-dim); }
/* Privacy block */
.privacy { padding-block: 2.75rem; }
.privacy .card {
border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  background: var(--bg-elev);
}
.privacy p { color: var(--text-dim); max-width: 70ch; }
/* CTA repeat */
.cta-repeat { padding-block: 2.75rem; }
.cta-row { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; }
/* Footer */
footer { border-top: 1px solid var(--border); }
.footer-inner { height: 80px; display: flex; gap: .75rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.legal { display: flex; gap: 1rem; font-size: .95rem; }
.legal a { color: inherit; text-decoration: none; }
.legal a:hover { text-decoration: underline; }
/* Small helper when header is scrolled */
.is-scrolled { box-shadow: 0 8px 24px rgba(0,0,0,.08); }
/* Forms (shared) */
.form { max-width: 720px; margin-inline: auto; padding-block: 2rem; }
.form h1 { margin: 0 0 .25rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.form p.subtle { color: var(--text-dim); margin: 0 0 1rem; }
.form .field-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 720px) { .form .field-grid { grid-template-columns: 1fr 1fr; } }
.form .field { display: flex; flex-direction: column; gap: .35rem; }
.form label { font-weight: 600; font-size: .95rem; }
.form input, .form select { 
  appearance: none; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
  border-radius: .7rem; padding: .65rem .8rem; font-size: 1rem;
}
.form input:focus, .form select:focus { outline: 2px solid var(--ring); outline-offset: 2px; }
.form .hint { color: var(--text-dim); font-size: .9rem; }
.form .actions { display: flex; gap: .75rem; align-items: center; padding-top: .5rem; }
.meter { height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; }
.meter > span { display: block; height: 100%; width: 0%; background: var(--accent); transition: width .25s ease; }
.meter-label { font-size: .85rem; color: var(--text-dim); }
.callout { border: 0; border-radius: .75rem; padding: .75rem .9rem; background: color-mix(in oklab, var(--bg-elev) 85%, transparent); }
.success { border-color: #16a34a; } .warn { border-color: #ca8a04; } .danger { border-color: #b91c1c; }
.form .row { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.form .inline { display: inline-flex; align-items: center; gap: .5rem; }
.checkbox { width: 1rem; height: 1rem; accent-color: var(--text); }
.small { font-size: .9rem; color: var(--text-dim); }
.center { text-align: center; }
.sep { margin-block: 1rem; border-top: 1px solid var(--border); }
/* Home feed */
.toolbar { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; justify-content: space-between; padding-block: 1rem; }
.toolbar .left, .toolbar .right { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.badge { display: inline-flex; gap: .35rem; align-items: center; font-size: .85rem; padding: .25rem .5rem; border-radius: .6rem; border: 1px solid var(--border); background: color-mix(in oklab, var(--bg-elev) 85%, transparent); }
.filters { display: grid; grid-template-columns: 1fr; gap: .75rem; padding-block: .5rem 1rem; }
@media (min-width: 800px) { .filters { grid-template-columns: 1fr 1fr 1fr 1fr; } }
.filters .field { margin: 0; }
.filters input, .filters select { width: 100%; }
.feed-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .75rem; }
.card { position: relative; background: var(--bg-elev); border: 1px solid var(--border); border-radius: .75rem; overflow: hidden; }
.card img { display: block; width: 100%; height: auto; }
.card .meta { display: flex; align-items: center; justify-content: space-between; padding: .5rem .6rem; gap: .5rem; }
.card .meta .left { display: flex; gap: .5rem; align-items: center; }
.icon-btn { appearance: none; background: transparent; border: 1px solid var(--border); border-radius: .6rem; padding: .35rem .5rem; display: inline-flex; align-items: center; gap: .35rem; cursor: pointer; }
.icon-btn:hover { background: color-mix(in oklab, var(--text) 6%, transparent); }
.icon { width: 1rem; height: 1rem; border: 2px dashed var(--border); border-radius: .25rem; }
.skeleton { background: linear-gradient(90deg, color-mix(in oklab, var(--bg-elev) 70%, transparent), color-mix(in oklab, var(--bg-elev) 85%, transparent), color-mix(in oklab, var(--bg-elev) 70%, transparent)); background-size: 200% 100%; animation: shimmer 1.2s linear infinite; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.card.skel { height: 220px; }
.load-sentinel { height: 1px; }
.empty { text-align: center; padding: 3rem 1rem; color: var(--text-dim); }
/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: none; align-items: center; justify-content: center; z-index: 100; }
.modal { width: min(520px, 92vw); border-radius: .9rem; background: var(--bg-elev); border: 1px solid var(--border); padding: 1rem; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal header { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.modal .actions { display: flex; align-items: center; gap: .5rem; justify-content: flex-end; }
.modal.open { display: flex; }
/* Toast */
.toast-wrap { position: fixed; right: 1rem; bottom: 1rem; display: grid; gap: .5rem; z-index: 200; }
.toast { background: var(--bg-elev); border: 1px solid var(--border); border-radius: .6rem; padding: .5rem .75rem; box-shadow: 0 6px 20px rgba(0,0,0,.18); }
/* Custom checkbox */
.cbx { display:inline-flex; align-items:center; gap:.5rem; cursor:pointer; user-select:none; }
.cbx input[type="checkbox"] { position:absolute; opacity:0; width:0; height:0; }
.cbx .box {
  width: 1.1rem; height: 1.1rem;
  border: 2px solid #777; border-radius: .25rem;
  display:inline-block; position:relative; transition:all .15s ease;
}
.cbx input[type="checkbox"]:focus + .box { outline: 2px solid #2b7cff55; outline-offset: 2px; }
.cbx input[type="checkbox"]:checked + .box {
  background: #2b7cff; border-color: #2b7cff;
}
.cbx input[type="checkbox"]:checked + .box::after {
  content: ""; position:absolute; left:.25rem; top:.05rem;
  width:.35rem; height:.6rem; border:2px solid #fff; border-top:0; border-left:0;
  transform: rotate(45deg);
}
.cbx .lbl { font-size: .95rem; }
/* Base icon size + inherit color */
.icon { width: 1rem; height: 1rem; display:inline-block; vertical-align:-.125em; }
.icon, .icon * { fill: currentColor; }       /* key: follows text color */
.icon { color: var(--icon); }
/* Handy sizes */
.icon-2x { width: 2rem; height: 2rem; }
/* Optional tints */
.icon-muted { color: var(--text-dim); }
.icon-accent { color: var(--accent); }
/* --- Icon sizing (updated) --- */
.icon { width: 1.25rem; height: 1.25rem; display:inline-block; vertical-align:-.2em; }
.icon, .icon * { fill: currentColor; } /* Dark-mode ready via currentColor */
.icon { color: var(--icon); }
/* Context-aware sizes */
.brand .icon { width: 2rem; height: 2rem; margin-right: .5rem; }
.hero-bullets .bullet { display:flex; align-items:center; gap:.6rem; }
.hero-bullets .icon { width: 1.5rem; height: 1.5rem; }
.feature-card .icon { width: 2.4rem; height: 2.4rem; margin-bottom: .15rem; }
.btn .icon { width: 1.1em; height: 1.1em; margin-right: .5em; }
/* Optional accent for key icons */
.icon-accent { color: var(--accent); }
/* --- Larger icon sizing --- */
.icon { width: 1.5rem; height: 1.5rem; display:inline-block; vertical-align: -.2em; }
.icon, .icon * { fill: currentColor; }
.icon { color: var(--icon); }
/* Header brand mark */
.brand .icon { width: 2.25rem; height: 2.25rem; margin-right: .6rem; }
/* Hero bullets */
.hero-bullets .bullet { display:flex; align-items:center; gap:.65rem; }
.hero-bullets .icon { width: 1.75rem; height: 1.75rem; }
/* Feature card lead icons */
.feature-card .icon { width: 2.75rem; height: 2.75rem; margin-bottom: .25rem; }
/* Button icons scale with text size */
.btn .icon { width: 1.2em; height: 1.2em; margin-right: .55em; }
/* --- Icon & image reset to remove dotted placeholder rings --- */
.icon, .icon *, img.icon, .hero-bullets .icon, .feature-card .icon, .brand .icon, .art-box {
  border: 0 !important;
  outline: 0 !important;
  box-shadow: none !important;
  background: none;
}
svg.icon { border: 0 !important; outline: 0 !important; }