/* Sanderling site: lace rose into slate, white thread on a dark pillow wash. */
:root {
  --bg: #f6f4f6;
  --card: #ffffff;
  --ink: #1f1d22;
  --muted: #5b5860;
  --accent: #B14E68;
  --accent-amber: #476D83;
  --accent-gradient: linear-gradient(135deg, #B14E68 0%, #476D83 100%);
  --accent-glow: rgba(177, 78, 104, 0.35);
  --line: #e3dde2;
  --wash: #f1ebee;
  --good: #1f7a5c;
  --warn: #b5541c;
  --neutral: #4a5675;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151416;
    --card: #1f1d21;
    --ink: #efedf0;
    --muted: #b6b2ba;
    --accent: #E27A93;
    --accent-amber: #7FA6BD;
    --accent-gradient: linear-gradient(135deg, #E27A93 0%, #7FA6BD 100%);
    --accent-glow: rgba(226, 122, 147, 0.35);
    --line: #34313a;
    --wash: #2a272e;
    --good: #5fcf9f;
    --warn: #f0a15a;
    --neutral: #aab2c8;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 48px 16px 80px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 900px; margin: 0 auto; }
.hero { text-align: center; margin-bottom: 40px; }
.icon {
  width: 112px; height: 112px; margin: 0 auto 14px; display: block;
  border-radius: 22.5%;
  filter: drop-shadow(0 12px 24px rgba(177, 78, 104, 0.28));
}
h1 { font-size: 34px; margin: 0 0 6px; letter-spacing: -0.4px; }
.tagline { color: var(--muted); margin: 0; font-size: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 28px;
  margin-bottom: 20px;
}
h2 { font-size: 22px; margin: 0 0 12px; letter-spacing: -0.3px; }
h3 { font-size: 17px; margin: 22px 0 6px; }
p, li { color: var(--ink); }
p.note, li.note { color: var(--muted); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--accent); }
code { font-size: 0.92em; }
nav.links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
nav.links a {
  text-decoration: none; font-weight: 500;
  border: 1px solid var(--line); background: var(--card);
  padding: 9px 16px; border-radius: 999px;
}
footer { text-align: center; color: var(--muted); font-size: 14px; margin-top: 36px; }
footer a { color: var(--muted); }

/* Interactive demo */
.hero-pill { display: inline-block; font-size: 13px; font-weight: 600; color: var(--muted); border: 1px solid var(--line); background: var(--card); padding: 5px 14px; border-radius: 999px; margin-bottom: 18px; }
.demo-wrapper { margin-bottom: 20px; }
.shot { margin: 0 0 20px; } .shot img { width: 100%; height: auto; border-radius: 18px; display: block; }
.feature-list { padding-left: 22px; }
.ph-stage { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 24px; box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08); }
.ph-stage h2 { margin: 0 0 4px; text-align: center; }
.ph-lead { text-align: center; color: var(--muted); margin: 0 auto 18px; max-width: 580px; }
.ph-field { display: flex; flex-direction: column; gap: 6px; }
.ph-label { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.ph-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ph-chip { font: inherit; font-size: 14px; font-weight: 600; color: var(--ink); background: var(--card); border: 1px solid var(--line); padding: 7px 14px; border-radius: 999px; cursor: pointer; }
.ph-chip:hover { border-color: var(--accent); }
.ph-chip[aria-pressed="true"] { background: #B14E68; color: #fff; border-color: transparent; box-shadow: 0 4px 14px var(--accent-glow); }
.ph-chip:focus-visible { outline: 3px solid var(--accent-amber); outline-offset: 2px; }
.ph-how { color: var(--muted); font-size: 14.5px; margin: 0; }
.demo-hint, .demo-note { display: block; text-align: center; color: var(--muted); font-size: 14.5px; margin-top: 14px; }
.ln-grid { display: flex; flex-direction: column; gap: 16px; }
.ln-controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px 24px; }
.ln-draw { background: var(--wash); border-radius: 18px; padding: 10px; display: flex; justify-content: center; }
.ln-draw svg { display: block; width: 100%; max-width: 440px; height: auto; touch-action: manipulation; border-radius: 10px; }
.ln-status { text-align: center; font-weight: 600; min-height: 1.6em; margin: 0; font-variant-numeric: tabular-nums; }
.ln-msg { text-align: center; color: var(--muted); font-size: 14.5px; min-height: 1.5em; margin: 0; }
.ln-msg.bad { color: var(--warn); }
.ln-legend { display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: center; font-size: 14px; color: var(--muted); }
.ln-legend i { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; }
.faq h3 { margin-top: 24px; }