/* Visual language follows ruderfinn.com: Be Vietnam Pro, RF green headlines with tight tracking,
   pill inputs/buttons, lime→green gradient CTAs, white surfaces on a soft #f9f9f9 plane. Light theme only,
   matching the RF site; chart colours are validated for colour-vision deficiency on the white surface. */
:root {
  color-scheme: light;
  --rf-green: #2da44a;
  --rf-green-dark: #27933a;
  --rf-green-deep: #1b7531;
  --rf-lime: #aaca43;
  --rf-teal-green: #2da571;
  --rf-yellow: #fab511;
  --rf-teal: #025562;
  --gradient: linear-gradient(90deg, var(--rf-lime) 0%, var(--rf-teal-green) 100%);

  --page: #f9f9f9;
  --surface: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #5a5a5a;
  --text-muted: #727272;
  --grid: #ececec;
  --axis: #cccccc;
  --border: #e3e3e3;
  --track: #eeeeee;

  /* Charts: brand = RF green, leader = deep RF yellow (validated pair). Grades = green ordinal ramp. */
  --series-1: #27933a;
  --series-2: #e8a200;
  --seq-650: #0f5524;
  --seq-550: #1b7531;
  --seq-450: #27933a;
  --seq-350: #4bb062;
  --seq-250: #74c585;

  --good: #2da44a;
  --good-text: #1b7531;
  --warning: #fab511;
  --serious: #ec835a;
  --critical: #d03b3b;
  --accent: var(--rf-green);
  --radius: 20px;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.04), 0 10px 30px rgba(0, 0, 0, 0.05);
  --font: "Be Vietnam Pro", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; } /* author display rules must not un-hide elements */

body {
  margin: 0;
  min-height: 100vh; display: flex; flex-direction: column;
  min-height: 100dvh; /* the visible height on phones, excluding the browser's address and tool bars */
  background: var(--page);
  color: var(--text-primary);
  font: 400 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--rf-green); font-weight: 600; }
a:hover { color: var(--rf-green-dark); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5rem; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4.6vw, 2.9rem); letter-spacing: -0.04em; color: var(--rf-green); }
h2 { font-size: 1.2rem; letter-spacing: -0.02em; }
h3 { font-size: 0.98rem; color: var(--text-secondary); margin-top: 1rem; letter-spacing: -0.01em; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}
.muted { color: var(--text-secondary); }
.small { font-size: 0.86rem; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.76rem;
  color: var(--rf-green-dark); margin: 0 0 0.6rem; font-weight: 700;
}

/* Header */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 1.1rem 16px; max-width: 1120px; width: 100%; margin: 0 auto;
}
.brand { display: inline-flex; align-items: center; gap: 0.85rem; text-decoration: none; color: var(--text-primary); min-width: 0; }
.brand-logo { height: 34px; width: auto; display: block; }
.brand-divider { width: 1px; height: 26px; background: var(--axis); }
.brand-name { font-weight: 700; font-size: 1rem; letter-spacing: -0.02em; }

.container { max-width: 1120px; width: 100%; margin: 0 auto; padding: 0 16px 3rem; flex: 1; }

.footer {
  text-align: center; color: var(--text-secondary); font-size: 0.9rem; padding: 2.25rem 16px 2.5rem;
  border-top: 1px solid var(--border); background: var(--surface);
}

/* Landing: one centred field, RF chat-box style */
.hero {
  min-height: calc(100vh - 260px); display: flex; flex-direction: column; justify-content: center;
  align-items: center; text-align: center; max-width: 820px; margin: 0 auto; padding: 3rem 0;
}
.lede { color: var(--text-secondary); font-size: 1.08rem; margin: 0.25rem 0 2.2rem; max-width: 640px; }
.audit-form {
  width: 100%; display: flex; align-items: center; gap: 0.5rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  padding: 0.45rem 0.45rem 0.45rem 1.6rem; box-shadow: var(--shadow);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.audit-form:focus-within { border-color: var(--rf-green); box-shadow: 0 0 0 4px rgba(45, 164, 74, 0.14), var(--shadow); }
.audit-form input {
  flex: 1; min-width: 0; font: 500 1.15rem var(--font); color: var(--text-primary);
  border: 0; outline: 0; background: transparent; padding: 0.7rem 0; letter-spacing: -0.01em;
}
.submit-round {
  flex: none; width: 52px; height: 52px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--rf-green); color: #fff; display: grid; place-items: center;
  transition: background 0.15s ease, transform 0.15s ease;
}
.submit-round:hover { background: var(--rf-green-dark); transform: translateX(2px); }
.submit-round:disabled { opacity: 0.55; cursor: progress; transform: none; }
.submit-round:focus-visible, .button:focus-visible { outline: 3px solid var(--rf-yellow); outline-offset: 2px; }
.hint { color: var(--text-muted); font-size: 0.9rem; margin: 1rem 0 0; }
.hint strong { color: var(--rf-green); }
.form-error { color: var(--critical); margin: 0.75rem 0 0; font-weight: 500; }

/* Buttons */
.button {
  font: 700 0.98rem var(--font); border: 0; cursor: pointer; text-decoration: none;
  background: var(--gradient); color: #fff; padding: 0.8rem 1.6rem; border-radius: 999px;
  display: inline-block; letter-spacing: -0.01em; box-shadow: 0 6px 18px rgba(45, 165, 113, 0.25);
}
.button:hover { color: #fff; filter: brightness(1.04); }
.button.secondary { background: var(--surface); color: var(--text-primary); border: 1px solid var(--border); box-shadow: none; }
.button.secondary:hover { border-color: var(--rf-green); color: var(--rf-green-dark); }
.button:disabled { opacity: 0.6; cursor: progress; }

/* Results */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: clamp(1.1rem, 3vw, 1.8rem); margin-top: 1.1rem; box-shadow: var(--shadow);
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.grid-2 > .card { margin-top: 1.1rem; }
.grid-2.inner { margin-top: 1rem; gap: 1.5rem; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }

.loading { margin-top: 2rem; }
.loading-title { font-size: 1.5rem; word-break: break-word; }
.progress { height: 10px; background: var(--track); border-radius: 999px; overflow: hidden; margin: 1rem 0 0.5rem; }
.progress-fill { height: 100%; width: 0; background: var(--gradient); border-radius: 999px; transition: width 0.6s ease; }
.loading-stage { font-weight: 600; margin: 0 0 0.5rem; color: var(--rf-green-dark); }
.error-card { margin-top: 2rem; }

.summary { display: grid; grid-template-columns: 1fr 280px; gap: 1.5rem; align-items: center; }
.summary h1 { margin-bottom: 0.25rem; }
.url { display: inline-block; word-break: break-all; margin-bottom: 0.85rem; font-weight: 500; }
.industry-row { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; font-size: 0.92rem; }
.industry-row label { color: var(--text-secondary); }
.industry-row select {
  font: 500 0.92rem var(--font); color: var(--text-primary); background: var(--surface);
  border: 1px solid var(--border); border-radius: 999px; padding: 0.4rem 0.9rem;
}
.industry-row select:focus { outline: 2px solid var(--rf-green); }
.chip {
  font-size: 0.76rem; color: var(--rf-green-deep); background: rgba(45, 164, 74, 0.08);
  border-radius: 999px; padding: 0.15rem 0.65rem; font-weight: 600;
}
.gauge-wrap { position: relative; text-align: center; }
.gauge-wrap canvas { width: 260px !important; height: 150px !important; margin: 0 auto; display: block; }
.gauge-value {
  position: absolute; left: 0; right: 0; top: 76px; font-size: 2.8rem; font-weight: 800; letter-spacing: -0.05em;
}
.gauge-value small, .stat-value small { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; letter-spacing: 0; }
.gauge-label { font-weight: 700; margin-top: 0.25rem; color: var(--rf-green-dark); }

.stat-head { display: flex; justify-content: space-between; align-items: baseline; }
.weight { font-size: 0.8rem; color: var(--text-muted); }
.stat-value { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.04em; }
.meter { height: 10px; background: var(--track); border-radius: 999px; overflow: hidden; margin: 0.5rem 0; }
.meter-fill { height: 100%; background: var(--gradient); border-radius: 999px; width: 0; transition: width 0.8s ease; }

.composition { display: flex; height: 38px; border-radius: 999px; overflow: hidden; background: var(--track); gap: 2px; margin: 0.75rem 0 1.1rem; }
.composition > div {
  display: flex; align-items: center; padding: 0 0.85rem; font-size: 0.82rem; font-weight: 700;
  white-space: nowrap; overflow: hidden;
}
.composition .seg-cit { background: var(--rf-green-dark); color: #ffffff; }
.composition .seg-auth { background: var(--rf-lime); color: #1a1a1a; }

.findings { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.45rem; }
.findings li { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.94rem; }
.sev {
  flex: none; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.02em;
  border-radius: 999px; padding: 0.12rem 0.6rem; margin-top: 0.18rem; min-width: 52px; text-align: center;
}
.sev-critical { background: var(--critical); color: #fff; }
.sev-high { background: var(--serious); color: #1a1a1a; }
.sev-medium { background: var(--warning); color: #1a1a1a; }
.sev-strength { background: var(--good); color: #fff; }
.sev-info { background: var(--track); color: var(--text-secondary); }

.chart { margin: 0; }
.chart figcaption { font-size: 0.86rem; color: var(--text-secondary); margin-bottom: 0.5rem; font-weight: 500; }
.chart-box { position: relative; height: 280px; }
.chart-box.short { height: 230px; }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.25rem; }
.stat-row > div { border-top: 1px solid var(--border); padding-top: 0.65rem; display: flex; flex-direction: column; }
.stat-mini { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em; color: var(--rf-green-dark); }

.passages { padding-left: 1.2rem; margin: 0; display: grid; gap: 0.8rem; font-size: 0.9rem; }
.passages li strong { display: block; }
.passages .preview { color: var(--text-secondary); display: block; margin: 0.15rem 0; }
.passages .tip { display: block; border-left: 3px solid var(--rf-green); padding-left: 0.55rem; margin-top: 0.3rem; }
.passages .empty { list-style: none; margin-left: -1.2rem; color: var(--text-muted); }

.badge { font-size: 0.76rem; font-weight: 700; border-radius: 999px; padding: 0.22rem 0.8rem; border: 1px solid var(--border); }
.badge.full { color: var(--good-text); border-color: rgba(45, 164, 74, 0.35); background: rgba(45, 164, 74, 0.06); }
.badge.limited { color: var(--text-secondary); }
.platforms { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.8rem; margin-top: 1rem; }
.platform { border: 1px solid var(--border); border-radius: 16px; padding: 0.85rem 1rem; font-size: 0.88rem; }
.platform header { display: flex; justify-content: space-between; font-weight: 700; margin-bottom: 0.35rem; }
.platform ul { margin: 0; padding-left: 1.1rem; color: var(--text-secondary); }
.platform .sources { margin-top: 0.4rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.platform .sources a { font-size: 0.8rem; }

.legend { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.86rem; color: var(--text-secondary); }
.swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; margin-left: 0.6rem; }
.swatch.s1 { background: var(--series-1); }
.swatch.s2 { background: var(--series-2); }
.gap-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }
.gap-tile { border: 1px solid var(--border); border-radius: 16px; padding: 0.85rem 1.05rem; display: flex; flex-direction: column; }
.gap-tile .label { font-size: 0.82rem; color: var(--text-secondary); flex: 1; } /* a wrapped label keeps values aligned */
.gap-tile .value { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em; }
.gap-tile .detail { font-size: 0.82rem; color: var(--text-muted); }
.gap-tile .value.ahead { color: var(--good-text); }
.leader-banner.leader-note { display: block; margin-top: 0; font-weight: 600; font-size: 0.92rem; }
.leader-banner {
  border-radius: 16px; padding: 0.95rem 1.1rem; margin-top: 1rem; font-weight: 700; color: #fff;
  background: var(--gradient);
}
.data-table { margin-top: 1rem; font-size: 0.9rem; }
.data-table summary { cursor: pointer; color: var(--rf-green-dark); font-weight: 600; }
.data-table table { border-collapse: collapse; margin-top: 0.5rem; width: 100%; font-variant-numeric: tabular-nums; }
.data-table th, .data-table td { text-align: left; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--border); }

.actions { padding-left: 1.3rem; margin: 0; display: grid; gap: 0.85rem; }
.actions li strong { display: block; }
.actions .lift { color: var(--good-text); font-size: 0.84rem; font-weight: 700; }
.actions li.strategy {
  list-style: none; margin-left: -1.3rem; padding: 1.1rem 1.25rem; border-radius: 16px;
  background: linear-gradient(90deg, rgba(170, 202, 67, 0.14), rgba(45, 165, 113, 0.12));
  border: 1px solid rgba(45, 164, 74, 0.28);
}
.actions li.strategy .strategy-tag {
  display: inline-block; font-size: 0.74rem; font-weight: 700; color: #fff; background: var(--rf-green);
  border-radius: 999px; padding: 0.1rem 0.65rem; margin-bottom: 0.4rem;
}

.custom-industry { display: flex; gap: 0.5rem; margin-top: 0.6rem; max-width: 460px; }
.custom-industry input {
  flex: 1; min-width: 0; font: 500 16px var(--font); color: var(--text-primary); /* 16px: no iOS zoom */
  border: 1px solid var(--border); border-radius: 999px; padding: 0.45rem 1rem; background: var(--surface);
}
.custom-industry input:focus { outline: 2px solid var(--rf-green); border-color: var(--rf-green); }
.button.small { padding: 0.5rem 1.1rem; font-size: 0.88rem; box-shadow: none; flex: none; }

.report-cta { display: grid; grid-template-columns: 1fr minmax(280px, 400px); gap: 0.6rem 1.5rem; align-items: center;
  border: 1px solid var(--rf-lime); background: linear-gradient(180deg, #f6faef 0%, var(--surface) 100%); }
.report-cta h2 { margin: 0.1rem 0 0.35rem; }
.report-cta-text p { margin: 0; }
.report-form { display: flex; flex-direction: column; gap: 0.55rem; }
.report-form input {
  font: 500 16px var(--font); color: var(--text-primary); /* 16px: no iOS zoom */
  border: 1px solid var(--border); border-radius: 999px; padding: 0.7rem 1.1rem; background: var(--surface); min-width: 0;
}
.report-form input:focus { outline: 2px solid var(--rf-green); border-color: var(--rf-green); }
.report-form input[aria-invalid="true"] { border-color: var(--critical); }
.report-form .button { width: 100%; text-align: center; }
.report-progress, .report-status { grid-column: 1 / -1; }
.report-status { margin: 0; min-height: 1.2em; color: var(--text-secondary); }
.report-status.ok { color: var(--good-text); font-weight: 600; }
.report-status.error { color: var(--critical); font-weight: 500; }

.actions li.strategy > strong { margin-bottom: 0.2rem; }
.strategy-text { display: block; }
.strategy-note { display: block; margin-top: 0.5rem; font-size: 0.76rem; color: var(--text-muted); }
.media-sources { margin: 0.5rem 0 0.2rem; }
.media-title { margin: 0.6rem 0 0.4rem; font-size: 0.84rem; font-weight: 700; color: var(--rf-green-deep); }
.media-list {
  list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.media-list li {
  background: var(--surface); border: 1px solid rgba(45, 164, 74, 0.22); border-radius: 12px;
  padding: 0.55rem 0.75rem; font-size: 0.85rem; min-width: 0;
}
.media-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; }
.media-name { font-weight: 700; color: var(--text-primary); overflow-wrap: anywhere; }
a.media-name { color: var(--rf-green-dark); }
.media-kind {
  flex: none; font-size: 0.72rem; font-weight: 600; color: var(--rf-green-deep);
  background: rgba(45, 164, 74, 0.1); border-radius: 999px; padding: 0.05rem 0.5rem;
}
.media-reason { display: block; color: var(--text-secondary); font-size: 0.8rem; margin-top: 0.15rem; line-height: 1.5; }

.report-footer { display: flex; gap: 0.75rem; justify-content: center; margin-top: 1.6rem; flex-wrap: wrap; }
.report-footer-note { text-align: center; }

/* Glossary: header toggle, inline info buttons and a right-hand side panel */
.glossary-toggle {
  flex: none; display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer;
  font: 600 0.88rem var(--font); color: var(--rf-green-deep); background: var(--surface);
  border: 1px solid var(--border); border-radius: 999px; padding: 0.45rem 0.95rem;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.glossary-toggle:hover, .glossary-toggle[aria-expanded="true"] { border-color: var(--rf-green); color: var(--rf-green-dark); }
.info-btn {
  display: inline-grid; place-items: center; width: 1.2rem; height: 1.2rem; padding: 0; margin-left: 0.2rem;
  vertical-align: 0.12em; border-radius: 50%; border: 1px solid rgba(45, 164, 74, 0.45); cursor: pointer;
  background: rgba(45, 164, 74, 0.08); color: var(--rf-green-deep);
  font: 700 0.7rem/1 Georgia, "Times New Roman", serif; font-style: italic; letter-spacing: 0; text-transform: none;
  position: relative;
}
.info-btn::after { content: ""; position: absolute; inset: -0.55rem; } /* larger touch target */
.info-btn:hover { background: var(--rf-green); color: #fff; border-color: var(--rf-green); }
.glossary-toggle:focus-visible, .info-btn:focus-visible, .glossary-close:focus-visible,
.glossary-nav a:focus-visible, .g-section summary:focus-visible { outline: 3px solid var(--rf-yellow); outline-offset: 2px; }
.title-row { display: flex; align-items: center; gap: 0.35rem; }
.title-row h2 { margin-bottom: 0; }

body.glossary-open { overflow: hidden; }
.glossary-backdrop {
  position: fixed; inset: 0; background: rgba(26, 26, 26, 0.32); z-index: 40;
  opacity: 0; transition: opacity 0.2s ease;
}
.glossary-backdrop.open { opacity: 1; }
.glossary {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 50; width: min(440px, 100vw);
  display: flex; flex-direction: column; background: var(--surface);
  border-left: 1px solid var(--border); box-shadow: -12px 0 40px rgba(0, 0, 0, 0.12);
  transform: translateX(100%); transition: transform 0.22s ease;
}
.glossary.open { transform: none; }
.glossary-head {
  display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 1.25rem 0.6rem;
}
.glossary-head h2 { margin: 0; color: var(--rf-green); font-size: 1.35rem; letter-spacing: -0.03em; }
.glossary-close {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface);
  color: var(--text-primary); display: grid; place-items: center; cursor: pointer;
}
.glossary-close:hover { border-color: var(--rf-green); color: var(--rf-green-dark); }
.glossary-nav { display: flex; gap: 0.5rem; padding: 0 1.25rem 0.85rem; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.glossary-nav a {
  font-size: 0.84rem; text-decoration: none; padding: 0.3rem 0.8rem; border-radius: 999px;
  background: rgba(45, 164, 74, 0.08); color: var(--rf-green-deep);
}
.glossary-nav a:hover { background: var(--rf-green); color: #fff; }
.glossary-body { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 0.5rem 1.25rem 2rem; scroll-padding-top: 0.75rem; }
.g-section { border-bottom: 1px solid var(--border); padding: 0.4rem 0 0.9rem; }
.g-section summary {
  cursor: pointer; font-weight: 700; font-size: 1.02rem; padding: 0.6rem 0; color: var(--text-primary);
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.g-section summary::-webkit-details-marker { display: none; }
.g-section summary::after { content: "+"; color: var(--rf-green); font-size: 1.2rem; font-weight: 600; }
.g-section[open] summary::after { content: "−"; }
.g-entry { margin-bottom: 1rem; border-radius: 12px; }
.g-entry h3 { margin: 0.4rem 0 0.3rem; color: var(--rf-green-dark); font-size: 0.95rem; }
.g-entry p, .g-dl dd { font-size: 0.88rem; color: var(--text-secondary); margin: 0 0 0.5rem; line-height: 1.6; }
.g-note { font-size: 0.8rem !important; color: var(--text-muted) !important; }
.g-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; margin: 0.35rem 0 0.4rem; }
.g-table th, .g-table td { text-align: left; padding: 0.38rem 0.45rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.g-table th { white-space: nowrap; font-variant-numeric: tabular-nums; width: 4.6rem; }
.g-table td:nth-child(2) { white-space: nowrap; font-weight: 600; color: var(--rf-green-deep); }
.g-table td:last-child { color: var(--text-secondary); }
.g-categories { list-style: none; padding: 0; margin: 0.5rem 0 0; display: grid; gap: 0.4rem; }
.g-categories li {
  display: flex; justify-content: space-between; gap: 0.75rem; font-size: 0.88rem;
  padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 12px;
}
.g-categories li span { color: var(--text-secondary); text-align: right; }
.g-categories li.g-custom { flex-direction: column; gap: 0.15rem; background: rgba(170, 202, 67, 0.12); border-color: rgba(45, 164, 74, 0.28); }
.g-categories li.g-custom span { text-align: left; }
.g-dl { margin: 0.25rem 0 0; }
.g-dl dt { font-weight: 700; font-size: 0.92rem; margin-top: 0.85rem; border-radius: 8px; }
.g-dl dd { margin: 0.2rem 0 0; }
.flash { animation: flash 1.6s ease; }
@keyframes flash {
  0%, 35% { background: rgba(250, 181, 17, 0.28); box-shadow: 0 0 0 6px rgba(250, 181, 17, 0.28); }
  100% { background: transparent; box-shadow: 0 0 0 6px transparent; }
}
@media (prefers-reduced-motion: reduce) {
  .glossary, .glossary-backdrop { transition: none; }
  .flash { animation: none; outline: 2px solid var(--rf-yellow); }
}

/* Grid children must be allowed to shrink below their canvas width, or charts overflow narrow phones. */
.grid-2 > *, .summary > *, .stat-row > *, .gap-tiles > * { min-width: 0; }
h1, h2, .lede, .hint { text-wrap: balance; }

@media (max-width: 760px) {
  .grid-2, .summary, .report-cta { grid-template-columns: 1fr; }
  .grid-2:not(.inner) { row-gap: 0; } /* stacked cards already carry their own margin-top */
  .gauge-wrap { order: -1; }
  .brand-name { font-size: 0.86rem; }
  .brand-logo { height: 28px; }
  .hero { min-height: auto; padding: 3.5rem 0 2.5rem; }
  .footer { padding: 0.85rem 16px calc(0.85rem + env(safe-area-inset-bottom)); font-size: 0.8rem; line-height: 1.5; }

  /* Homepage: header, form and footer on one screen, no scrolling. The hero takes the space left over. */
  .page-home .topbar { padding-top: 0.75rem; padding-bottom: 0.75rem; }
  .page-home .container { display: flex; flex-direction: column; padding-bottom: 0; }
  .page-home .hero { flex: 1; justify-content: center; padding: 1rem 0 1.5rem; }
  .page-home .lede { font-size: 0.98rem; margin: 0.25rem 0 1.4rem; }
  .audit-form { padding-left: 1.1rem; }
  .audit-form input { font-size: 1rem; }
  .submit-round { width: 48px; height: 48px; }
  /* iOS zooms into form controls under 16px on focus */
  .industry-row select { font-size: 16px; }

  /* Compact three-up rows instead of tall single-column stacks */
  .stat-row, .gap-tiles { grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
  .stat-mini { font-size: 1.3rem; }
  .stat-row .small { font-size: 0.76rem; line-height: 1.45; }
  .gap-tile { padding: 0.65rem 0.7rem; border-radius: 12px; }
  .gap-tile .value { font-size: 1.15rem; }
  .gap-tile .label, .gap-tile .detail { font-size: 0.74rem; }

  .chart-box { height: 240px; }
  .chart-box.short { height: 210px; }
  .composition { height: 34px; }
  /* Keep the label readable when a segment is narrower than its text */
  .composition > div { padding: 0 0.55rem; font-size: 0.74rem; min-width: max-content; }
  .platforms { grid-template-columns: 1fr; }
  .data-table { overflow-x: auto; }
  .data-table th, .data-table td { padding: 0.4rem 0.35rem; }
  .actions li.strategy { padding: 0.95rem 1rem; }
  .report-footer .button { flex: 1 1 140px; text-align: center; }
}

@media (max-width: 380px) {
  .topbar { padding: 0.9rem 16px; }
  .brand { gap: 0.6rem; }
  .brand-logo { height: 24px; }
  .brand-name { font-size: 0.76rem; line-height: 1.3; }
  .glossary-toggle { padding: 0.4rem 0.7rem; font-size: 0.8rem; }
  h1 { font-size: 1.7rem; }
  .lede { font-size: 1rem; }
  .card { padding: 1rem; }
}

@media (max-width: 359px) {
  .stat-row, .gap-tiles { grid-template-columns: 1fr; }
}