:root {
  --ink: #13231f;
  --muted: #5f6d68;
  --line: #d8dfdc;
  --paper: #f4f6f5;
  --white: #ffffff;
  --green: #0c7758;
  --green-dark: #07543f;
  --lime: #c8f168;
  --amber: #c98714;
  --red: #b63d35;
  --blue: #3568a7;
  --radius: 8px;
  --shadow: 0 14px 40px rgba(24, 47, 40, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Geist, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
  overflow-x: hidden;
}
button, input, select { font: inherit; letter-spacing: 0; }
button, select { cursor: pointer; }
a { color: inherit; }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: var(--ink); color: #fff; border-radius: 4px; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid #8a4f00; outline-offset: 3px; }

.topbar {
  min-height: 68px;
  padding: 0 clamp(1rem, 4vw, 4rem);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 246, 245, .94);
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 750; text-decoration: none; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; background: var(--ink); border-radius: 50%; font-size: .75rem; }
.topbar nav { display: flex; align-items: center; gap: 1.5rem; }
.topbar nav a { color: var(--muted); font-size: .9rem; font-weight: 650; text-decoration: none; }
.topbar nav a:hover { color: var(--ink); }
.topbar > .button { justify-self: end; }

.button {
  border: 1px solid transparent;
  border-radius: var(--radius);
  min-height: 42px;
  padding: .65rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  text-decoration: none;
  font-weight: 720;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--green-dark); }
.button-primary:hover { background: var(--green); }
.button-secondary { color: var(--ink); background: var(--white); border-color: #b8c4c0; }
.button-secondary:hover { border-color: var(--ink); }
.button-quiet { color: var(--ink); background: transparent; border-color: var(--line); }
.button-danger { color: #fff; background: var(--red); }
.text-button { border: 0; padding: .4rem; color: var(--green-dark); background: transparent; font-weight: 720; text-decoration: underline; text-underline-offset: 3px; }

.intro {
  max-width: 1440px;
  margin: 0 auto;
  min-height: calc(100vh - 68px);
  padding: clamp(5rem, 10vw, 9rem) clamp(1rem, 6vw, 6rem) 5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, .7fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
}
.intro-copy { max-width: 1180px; }
.eyebrow { margin: 0 0 1rem; color: var(--green-dark); font-size: .78rem; font-weight: 850; text-transform: uppercase; }
h1, h2, h3, p { letter-spacing: 0; }
h1 { max-width: 1180px; margin: 0; font-size: clamp(3rem, 5vw, 5.3rem); line-height: 1; font-weight: 760; }
h2 { margin: 0; font-size: clamp(2rem, 4.2vw, 4rem); line-height: 1.03; }
h3 { margin: 0; }
.lede { max-width: 820px; margin: 2rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.35rem); }
.intro-actions { margin-top: 2rem; display: flex; gap: .8rem; flex-wrap: wrap; }
.signal-card { min-height: 420px; padding: 2rem; background: var(--ink); color: #fff; border-radius: var(--radius); display: flex; flex-direction: column; justify-content: flex-end; box-shadow: var(--shadow); overflow: hidden; position: relative; }
.signal-card p { margin: .5rem 0 0; color: #cbd5d1; }
.signal-card .signal-kicker { color: var(--lime); font-size: .8rem; font-weight: 800; text-transform: uppercase; }
.signal-card .signal-value { color: #fff; font-size: 3rem; font-weight: 760; line-height: 1; }
.signal-orbit { position: absolute; width: 260px; height: 260px; top: 10px; left: 50%; transform: translateX(-50%); }
.laptop-shape { position: absolute; width: 116px; height: 74px; left: 72px; top: 76px; border: 5px solid var(--lime); border-radius: 5px; transform: rotate(-5deg); }
.laptop-shape:after { content: ""; position: absolute; left: -16px; bottom: -18px; width: 138px; height: 8px; background: var(--lime); border-radius: 1px 1px 10px 10px; }
.laptop-shape i { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--lime); left: 50%; top: 6px; }
.orbit { position: absolute; inset: 15px; border: 1px solid rgba(200,241,104,.4); border-radius: 50%; }
.orbit-b { inset: 0; transform: rotate(58deg) scaleY(.55); }
.orbit-a { transform: rotate(-30deg) scaleY(.72); }

.evidence-strip { padding: 1.5rem clamp(1rem, 4vw, 4rem); background: var(--lime); display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 2rem; }
.evidence-strip > p { margin: 0; font-weight: 850; }
.evidence-list { display: flex; gap: 1rem; justify-content: space-between; overflow-x: auto; scrollbar-width: thin; }
.evidence-list span { white-space: nowrap; font-weight: 650; }

.tool-section, .guidance-section, .questions-section, .comparisons-section, .caveat-section { padding: clamp(6rem, 11vw, 10rem) clamp(1rem, 5vw, 5rem); }
.tool-section { background: #e8ecea; }
.section-heading { max-width: 1400px; margin: 0 auto 3rem; display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.section-heading > div:first-child { max-width: 800px; }
.section-heading p:not(.eyebrow) { max-width: 680px; color: var(--muted); }
.preset-controls { min-width: 310px; padding: 1rem; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); display: grid; grid-template-columns: 1fr auto; gap: .6rem; }
.preset-controls label { grid-column: 1 / -1; color: var(--muted); font-size: .78rem; font-weight: 750; }
select, input[type="text"] { min-height: 43px; width: 100%; padding: .65rem .8rem; color: var(--ink); background: #fff; border: 1px solid #aebbb6; border-radius: 6px; }

.score-workspace { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 7fr) minmax(340px, 5fr); gap: 1rem; align-items: start; }
.ratings-panel, .results-panel { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.ratings-panel { overflow: hidden; }
.panel-toolbar { padding: 1.25rem; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.panel-toolbar p { margin: .25rem 0 0; color: var(--muted); font-size: .82rem; }
.category-row { padding: 1.05rem 1.25rem; display: grid; grid-template-columns: minmax(150px, 1.4fr) minmax(180px, 1fr) 100px; gap: 1rem; align-items: center; border-bottom: 1px solid var(--line); }
.category-row:last-child { border-bottom: 0; }
.category-name { display: flex; gap: .7rem; align-items: flex-start; }
.category-icon { flex: 0 0 34px; width: 34px; height: 34px; display: grid; place-items: center; color: var(--green-dark); background: #e0f3ec; border-radius: 50%; font-size: .72rem; font-weight: 850; }
.category-name strong { display: block; }
.category-name span { display: block; color: var(--muted); font-size: .8rem; }
.rating-group { display: grid; grid-template-columns: repeat(5, 1fr); gap: .35rem; }
.rating-button { min-width: 34px; height: 36px; border: 1px solid #bdc8c4; border-radius: 5px; color: var(--muted); background: #fff; font-weight: 750; }
.rating-button:hover { border-color: var(--green); }
.rating-button.active { color: #fff; background: var(--green-dark); border-color: var(--green-dark); }
.weight-control label { display: block; color: var(--muted); font-size: .72rem; font-weight: 750; }
.weight-input { min-height: 36px; width: 100%; padding: .3rem .4rem; border: 1px solid #bdc8c4; border-radius: 5px; }

.results-panel { position: sticky; top: 84px; padding: 1.5rem; }
.score-summary { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.summary-label { margin: 0; color: var(--muted); font-size: .8rem; font-weight: 750; text-transform: uppercase; }
.score-number { margin: .15rem 0 0; font-size: 4rem; font-weight: 780; line-height: 1; }
.score-number small { color: var(--muted); font-size: 1rem; }
.score-badge { padding: .45rem .65rem; border-radius: 999px; font-size: .76rem; font-weight: 800; }
.score-badge.good { color: #07543f; background: #d8f1e6; }
.score-badge.neutral { color: #74500d; background: #faedcd; }
.score-badge.danger { color: #8d2f29; background: #f8dedb; }
.score-interpretation { margin: 1rem 0; color: var(--muted); }
.chart-tabs { display: flex; gap: .25rem; margin-bottom: .5rem; border-bottom: 1px solid var(--line); }
.chart-tab { padding: .55rem .8rem; border: 0; border-bottom: 3px solid transparent; color: var(--muted); background: transparent; font-weight: 750; }
.chart-tab.active { color: var(--green-dark); border-bottom-color: var(--green); }
.chart-panel { min-height: 300px; }
#radarChart { display: block; width: 100%; height: auto; max-height: 360px; }
.bar-chart { display: grid; gap: .7rem; padding: 1rem 0; }
.bar-row { display: grid; grid-template-columns: 105px 1fr 28px; gap: .6rem; align-items: center; font-size: .76rem; }
.bar-track { height: 12px; background: #e5ebe8; border-radius: 3px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--green); transition: width .35s ease; }
.result-details { margin: 1rem 0; display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: 6px; }
.result-details div { padding: .8rem; }
.result-details div + div { border-left: 1px solid var(--line); }
.result-details span, .result-details strong { display: block; }
.result-details span { color: var(--muted); font-size: .72rem; }
.field-label { display: block; margin: .8rem 0 .35rem; color: var(--muted); font-size: .78rem; font-weight: 750; }
.save-row { display: grid; grid-template-columns: 1fr auto; gap: .5rem; }
.inline-message { min-height: 1.4em; margin: .55rem 0 0; color: var(--green-dark); font-size: .8rem; font-weight: 700; }

.guidance-section { background: var(--ink); color: #fff; }
.guidance-section .eyebrow { color: var(--lime); }
.guidance-grid { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid #42504c; }
.guidance-card { min-height: 360px; padding: 2rem; }
.guidance-card + .guidance-card { border-left: 1px solid #42504c; }
.guidance-card h3 { padding-bottom: 1rem; font-size: 1.4rem; }
.guidance-card.good h3 { color: #89e2c2; }
.guidance-card.neutral h3 { color: #f2c66f; }
.guidance-card.danger h3 { color: #f28d86; }
.guidance-card ul { margin: 0; padding-left: 1.2rem; color: #d0d9d5; }
.guidance-card li + li { margin-top: 1rem; }

.questions-section { background: #fff; }
.questions-layout { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: minmax(250px, 1fr) minmax(0, 2.2fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.questions-intro { position: sticky; top: 100px; }
.questions-intro h2 { max-width: 500px; }
.questions-intro > p:not(.eyebrow) { color: var(--muted); }
.questions-intro .button { margin-top: 1rem; }
.question-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.question-item { display: grid; grid-template-columns: 42px 1fr auto; gap: 1rem; align-items: start; padding: 1.3rem 0; border-bottom: 1px solid var(--line); }
.question-number { width: 34px; height: 34px; display: grid; place-items: center; background: var(--paper); border-radius: 50%; font-size: .72rem; font-weight: 800; }
.question-item h3 { font-size: 1.05rem; }
.question-item p { margin: .35rem 0 0; color: var(--muted); font-size: .86rem; }
.copy-question { min-width: 40px; min-height: 36px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: var(--green-dark); font-weight: 750; }

.comparisons-section { background: #e8ecea; }
.comparison-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.saved-comparisons { max-width: 1400px; min-height: 180px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.empty-state { grid-column: 1 / -1; padding: 3rem; text-align: center; color: var(--muted); border: 1px dashed #aebbb6; border-radius: var(--radius); }
.comparison-card { padding: 1.3rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.comparison-head { display: flex; justify-content: space-between; gap: 1rem; }
.comparison-card h3 { overflow-wrap: anywhere; }
.comparison-score { color: var(--green-dark); font-size: 2rem; font-weight: 780; }
.comparison-meta { margin: .3rem 0 1rem; color: var(--muted); font-size: .78rem; }
.mini-bars { display: grid; gap: .3rem; }
.mini-bar { display: grid; grid-template-columns: 78px 1fr; gap: .5rem; align-items: center; color: var(--muted); font-size: .68rem; }
.mini-bar-track { height: 5px; background: #e7ece9; }
.mini-bar-fill { height: 100%; background: var(--green); }
.comparison-card-actions { margin-top: 1rem; display: flex; gap: .5rem; }
.comparison-card-actions button { flex: 1; min-height: 36px; border: 1px solid var(--line); border-radius: 5px; background: #fff; font-weight: 700; }
.comparison-card-actions .delete { color: var(--red); }

.caveat-section { display: grid; grid-template-columns: minmax(280px, 1fr) minmax(0, 1fr); gap: clamp(3rem, 9vw, 9rem); background: var(--lime); }
.caveat-copy { max-width: 680px; }
.caveat-copy p { margin-top: 0; }
footer { padding: 2rem clamp(1rem, 5vw, 5rem); display: flex; justify-content: space-between; background: var(--ink); color: #fff; }
footer a { color: var(--lime); }

dialog { max-width: 480px; padding: 0; border: 0; border-radius: var(--radius); box-shadow: 0 30px 80px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(19,35,31,.65); }
dialog form { padding: 2rem; }
dialog p { color: var(--muted); }
.dialog-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: 1.5rem; }

@media (max-width: 1000px) {
  .topbar { grid-template-columns: 1fr auto; }
  .topbar nav { display: none; }
  .intro { grid-template-columns: 1fr; min-height: auto; }
  .signal-card { min-height: 340px; }
  .score-workspace { grid-template-columns: 1fr; }
  .results-panel, .questions-intro { position: static; }
  .guidance-grid { grid-template-columns: 1fr; }
  .guidance-card + .guidance-card { border-left: 0; border-top: 1px solid #42504c; }
  .questions-layout { grid-template-columns: 1fr; }
  .saved-comparisons { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .topbar { min-height: 60px; padding: .6rem 1rem; }
  .brand span:last-child { display: none; }
  .topbar > .button { min-height: 38px; padding: .5rem .7rem; }
  h1 { font-size: clamp(2.3rem, 10vw, 3rem); }
  .intro { padding-top: 4rem; }
  .evidence-strip { grid-template-columns: 1fr; gap: .6rem; }
  .section-heading { display: block; }
  .preset-controls { min-width: 0; margin-top: 2rem; }
  .category-row { grid-template-columns: 1fr 85px; }
  .rating-group { grid-column: 1 / -1; grid-row: 2; }
  .weight-control { grid-column: 2; grid-row: 1; }
  .score-summary { align-items: center; }
  .score-number { font-size: 3.2rem; }
  .result-details { grid-template-columns: 1fr; }
  .result-details div + div { border-left: 0; border-top: 1px solid var(--line); }
  .save-row { grid-template-columns: 1fr; }
  .question-item { grid-template-columns: 34px 1fr; }
  .copy-question { grid-column: 2; justify-self: start; }
  .saved-comparisons { grid-template-columns: 1fr; }
  .caveat-section { grid-template-columns: 1fr; }
  footer { gap: 1rem; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}