/* Keating Research website — draft stylesheet
   Conventional professional-services layout: left-aligned, stacked headings with a short
   purple rule, square buttons, no card shadows. Brand tokens are the first block. */

:root {
  --purple: #4E2A83;        /* KR primary */
  --purple-deep: #3A1D66;
  --teal: #007FA3;          /* comparison series */
  --bg: #FFFFFF;
  --bg-alt: #F5F3F8;
  --fg: #222222;
  --fg-muted: #5F5B68;
  --line: #D9D4E1;
  --field: #FFFFFF;
  --on-purple: #FFFFFF;
  --bar-track: #E9E5F0;
  --logo-bg: transparent;
  --display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --body: "Public Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --purple: #B99BE6; --purple-deep: #D5C2F2; --teal: #5CC3DF;
    --bg: #15121B; --bg-alt: #1D1925; --fg: #ECE8F1; --fg-muted: #A49EB0;
    --line: #3A3345; --field: #1D1925; --on-purple: #15121B; --bar-track: #2B2536;
    --logo-bg: #FFFFFF;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --purple: #B99BE6; --purple-deep: #D5C2F2; --teal: #5CC3DF;
  --bg: #15121B; --bg-alt: #1D1925; --fg: #ECE8F1; --fg-muted: #A49EB0;
  --line: #3A3345; --field: #1D1925; --on-purple: #15121B; --bar-track: #2B2536;
  --logo-bg: #FFFFFF;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--purple); }
a:hover { color: var(--purple-deep); }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

h1, h2, h3 { font-family: var(--display); font-weight: 500; line-height: 1.15; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2rem, 3.6vw, 2.8rem); font-weight: 400; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); padding-bottom: 12px; margin-bottom: 20px; position: relative; }
h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 48px; height: 3px; background: var(--purple); }
h3 { font-size: 1.25rem; }
p { margin: 0; max-width: 68ch; }
p + p { margin-top: 1em; }
.muted { color: var(--fg-muted); }
.lead { font-size: 1.125rem; }
.num { font-variant-numeric: tabular-nums; }

.wrap { width: 100%; max-width: 1080px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 32px); }

.btn {
  display: inline-block;
  padding: 11px 22px;
  background: var(--purple);
  color: var(--on-purple);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--purple);
  border-radius: 2px;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover { background: var(--purple-deep); border-color: var(--purple-deep); color: var(--on-purple); }
.btn.secondary { background: transparent; color: var(--purple); }
.btn.secondary:hover { background: var(--bg-alt); }

/* ---------- header ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 84px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { height: 60px; width: auto; background: var(--logo-bg); padding: 2px 4px; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--fg); text-decoration: none; font-size: 0.95rem; }
.nav a:hover { color: var(--purple); text-decoration: underline; text-underline-offset: 4px; }
.nav-toggle { display: none; }

/* ---------- sections ---------- */
.section { padding-block: clamp(44px, 6vw, 72px); }
.section.alt { background: var(--bg-alt); }
.section.returns { padding-block: clamp(32px, 4.5vw, 48px); border-bottom: 1px solid var(--line); }
.intro { margin-bottom: 32px; }
h2.mb { margin-bottom: 32px; }

/* ---------- hero photo band ---------- */
.hero-photo { position: relative; height: clamp(300px, 42vw, 520px); overflow: hidden; background: var(--purple-deep); }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(20, 10, 40, 0.72) 0%, rgba(20, 10, 40, 0.25) 45%, rgba(20, 10, 40, 0) 75%); }
.hero-photo-text { position: absolute; left: 0; right: 0; bottom: clamp(28px, 4vw, 48px); z-index: 1; }
.hero-photo-text { display: grid; gap: 20px; }
.hero-photo-text h1 { color: #FFFFFF; max-width: 20ch; font-size: clamp(2rem, 4.2vw, 3.3rem); text-shadow: 0 1px 2px rgba(0,0,0,0.35); }
.hero-photo-text .hero-actions { margin: 0; }

/* ---------- hero ---------- */
.hero { border-bottom: 1px solid var(--line); padding-block: clamp(40px, 6vw, 64px); }
h2.plain { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 400; padding-bottom: 0; margin-bottom: 0; }
h2.plain::after { display: none; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px 56px; align-items: start; }
.hero-copy { display: flex; flex-direction: column; gap: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.hero-facts { list-style: none; margin: 8px 0 0; padding: 16px 0 0; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 32px; font-size: 0.9rem; color: var(--fg-muted); }

/* chart figure: a KR public topline */
.topline { border: 1px solid var(--line); padding: 20px 22px; display: flex; flex-direction: column; gap: 16px; margin: 0; background: var(--bg); }
.topline-kicker { font-size: 0.85rem; color: var(--fg-muted); }
.topline-title { font-family: var(--display); font-size: 1.3rem; line-height: 1.2; }
.bars { display: flex; flex-direction: column; gap: 14px; margin: 0; padding: 0; list-style: none; }
.bar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 14px; align-items: center; }
.bar-label { font-size: 0.9rem; line-height: 1.4; grid-column: 1 / -1; max-width: none; }
.bar-track { height: 12px; background: var(--bar-track); }
.bar-fill { height: 100%; background: var(--purple); width: var(--w, 0%); }
.bar-val { font-weight: 600; font-size: 1rem; font-variant-numeric: tabular-nums; min-width: 3.2ch; text-align: right; }
.topline-source { font-size: 0.8rem; color: var(--fg-muted); border-top: 1px solid var(--line); padding-top: 12px; }

/* ---------- track record ---------- */
.legend { display: flex; gap: 20px; flex-wrap: wrap; font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 14px; }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 16px; height: 10px; display: inline-block; }
.legend i.poll { background: var(--teal); }
.legend i.result { background: var(--purple); }
.featured { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 28px 56px; padding: 28px 0 32px; border-top: 2px solid var(--fg); border-bottom: 1px solid var(--line); margin-bottom: 40px; }
.featured-copy { display: flex; flex-direction: column; gap: 14px; }
.featured-copy h3 { font-size: 1.5rem; }
.featured-copy p { font-size: 0.95rem; }
.stat { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat-num { font-family: var(--display); font-size: 3.4rem; line-height: 1; color: var(--purple); }
.stat-label { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.4; }
.featured-note { font-size: 0.85rem; color: var(--fg-muted); }
.featured-rows { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.frow { padding: 12px 0; border-bottom: 1px solid var(--line); display: grid; gap: 6px; }
.frow:first-child { padding-top: 0; }
.frow-name { font-weight: 600; font-size: 0.95rem; }
.featured + .featured { border-top: 0; margin-top: -40px; }
.margin-chart { display: flex; flex-direction: column; gap: 14px; align-self: center; }
.mrow { display: grid; grid-template-columns: 150px minmax(0, 1fr) 100px; gap: 12px; align-items: center; font-size: 0.9rem; }
.mlabel { font-weight: 600; line-height: 1.25; }
.mlabel small { display: block; font-weight: 400; color: var(--fg-muted); font-size: 0.8rem; }
.mtrack { position: relative; height: 22px; background: var(--bar-track); }
.mtrack::before { content: ""; position: absolute; left: 50%; top: -4px; bottom: -4px; width: 2px; background: var(--fg); }
.mfill { position: absolute; top: 0; bottom: 0; left: 50%; width: calc(var(--m, 0) / 10 * 50%); min-width: 2px; }
.mfill.poll { background: var(--teal); }
.mfill.result { background: var(--purple); }
.mval { text-align: right; font-weight: 600; }
.maxis { display: grid; grid-template-columns: 150px minmax(0, 1fr) 100px; gap: 12px; font-size: 0.78rem; color: var(--fg-muted); }
.maxis span:nth-child(1) { grid-column: 2; grid-row: 1; justify-self: start; }
.maxis span:nth-child(2) { grid-column: 2; grid-row: 1; justify-self: center; }
.maxis span:nth-child(3) { grid-column: 2; grid-row: 1; justify-self: end; }
.margin-chart .frow-note { margin-top: 6px; }
.coverage { font-size: 0.88rem; color: var(--fg-muted); }
.frow-note { font-size: 0.82rem; color: var(--fg-muted); border-bottom: 0; }
.sub-head { font-size: 1.25rem; margin-bottom: 14px; }
.record { width: 100%; border-collapse: collapse; font-size: 0.95rem; border-top: 2px solid var(--fg); }
.record th, .record td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.record th { font-weight: 600; font-size: 0.85rem; }
.record th:first-child, .record td:first-child { padding-left: 0; }
.record th:last-child, .record td:last-child { padding-right: 0; }
.record .measure { font-weight: 600; }
.record .measure small { display: block; font-weight: 400; color: var(--fg-muted); font-size: 0.85rem; }
.record .cmp { width: 50%; min-width: 260px; }
.cmp-rows { display: flex; flex-direction: column; gap: 5px; }
.cmp-row { display: grid; grid-template-columns: 56px minmax(0, 1fr) 48px; gap: 10px; align-items: center; font-size: 0.82rem; }
.cmp-row .t { height: 10px; background: var(--bar-track); }
.cmp-row .f { height: 100%; width: var(--w, 0%); }
.cmp-row.poll .f { background: var(--teal); }
.cmp-row.result .f { background: var(--purple); }
.cmp-row .v { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.cmp-row.poll .f.pending { width: 100%; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px); }
.pending-val { color: var(--fg-muted); font-weight: 400; }
.outcome { white-space: nowrap; }
.table-scroll { overflow-x: auto; }
.record-note { margin-top: 16px; font-size: 0.88rem; color: var(--fg-muted); }

/* ---------- ballot returns feature ---------- */
.returns-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px 64px; align-items: center; }
.returns-grid h2 { margin-bottom: 16px; }
.returns-grid .hero-actions { margin-top: 20px; }
.returns-stat { display: grid; gap: 6px; padding: 24px 28px; border: 1px solid var(--line); border-left: 4px solid var(--purple); background: var(--bg); }
.returns-label { font-size: 0.9rem; font-weight: 600; }
.returns-num { font-family: var(--display); font-size: 3.2rem; line-height: 1; color: var(--purple); }
.returns-num:empty { display: none; }
.returns-sub { font-size: 0.88rem; color: var(--fg-muted); }

/* ---------- services ---------- */
.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 48px; }
.service h3 { margin-bottom: 8px; }
.service ul { margin: 10px 0 0; padding-left: 18px; font-size: 0.93rem; color: var(--fg-muted); }
.service li + li { margin-top: 3px; }

/* ---------- clients ---------- */
.audiences { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px 28px; }
.audience h3 { font-size: 1.1rem; margin-bottom: 6px; }
.audience p { font-size: 0.92rem; color: var(--fg-muted); margin-bottom: 10px; }
.audience ul { margin: 0; padding-left: 18px; font-size: 0.92rem; }
.audience li + li { margin-top: 3px; }
.logo-wall { list-style: none; margin: 40px 0 0; padding: 28px 0 0; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.logo-wall li { display: grid; place-items: center; height: 96px; padding: 0 8px; }
.logo-wall img { max-height: 84px; width: auto; max-width: 220px; object-fit: contain; }

/* ---------- public polling ---------- */
.releases { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--fg); }
.release { display: grid; grid-template-columns: 110px minmax(0, 1fr) auto; gap: 8px 28px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--line); }
.release time { font-size: 0.9rem; color: var(--fg-muted); font-variant-numeric: tabular-nums; }
.release h3 { font-size: 1.15rem; }
.release p { margin-top: 4px; font-size: 0.92rem; color: var(--fg-muted); }
.release a.dl { white-space: nowrap; font-size: 0.92rem; }
.release.placeholder { color: var(--fg-muted); }
.release.placeholder h3 { color: var(--fg-muted); font-weight: 400; font-style: italic; }

/* ---------- methods ---------- */
.methods dl { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 48px; }
.methods dt { font-weight: 600; margin-bottom: 4px; }
.methods dd { margin: 0; font-size: 0.95rem; color: var(--fg-muted); }

/* ---------- team ---------- */
.team { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 48px; }
.person { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 20px; align-items: start; }
.portrait { width: 120px; aspect-ratio: 4 / 5; max-width: 100%; object-fit: cover; background: var(--bg-alt); border: 1px solid var(--line); }
.person h3 { font-size: 1.3rem; }
.person .role { color: var(--fg-muted); font-size: 0.92rem; margin: 2px 0 10px; }
.person p { font-size: 0.95rem; }
.person .links { margin-top: 10px; font-size: 0.9rem; }

/* ---------- contact ---------- */
.contact .form { max-width: 680px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-list { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 16px; }
.contact-list small { display: block; font-size: 0.82rem; color: var(--fg-muted); }
.contact-list strong { font-weight: 600; font-size: 1.05rem; }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
.form .full { grid-column: 1 / -1; }
.form label { display: grid; gap: 6px; font-size: 0.9rem; font-weight: 600; }
.form input, .form textarea { font: inherit; font-size: 0.95rem; padding: 10px 12px; border: 1px solid var(--line); border-radius: 2px; background: var(--field); color: var(--fg); width: 100%; }
.form textarea { min-height: 140px; resize: vertical; }
.form-status { grid-column: 1 / -1; font-size: 0.95rem; }

/* ---------- footer ---------- */
.site-footer { background: var(--purple); color: var(--on-purple); padding-block: 40px 28px; font-size: 0.9rem; }
.site-footer a { color: inherit; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr; gap: 28px 40px; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,0.25); }
.site-footer h4 { font-family: var(--display); font-weight: 500; font-size: 1.1rem; margin: 0 0 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer .legal { padding-top: 16px; font-size: 0.82rem; opacity: 0.85; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap, .featured, .returns-grid { grid-template-columns: minmax(0, 1fr); }
  .audiences { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .team { grid-template-columns: minmax(0, 1fr); }
  .site-footer .cols { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .site-header .wrap { position: relative; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; padding: 16px clamp(16px, 4vw, 32px) 20px; gap: 14px; z-index: 5; }
  .nav.open { display: flex; }
  .nav-toggle { display: inline-flex; background: none; border: 1px solid var(--line); border-radius: 2px; padding: 8px 12px; color: var(--fg); font: inherit; font-size: 0.9rem; cursor: pointer; }
  .services, .audiences, .methods dl, .form { grid-template-columns: minmax(0, 1fr); }
  .release { grid-template-columns: minmax(0, 1fr); }
  .mrow, .maxis { grid-template-columns: 110px minmax(0, 1fr) 84px; gap: 8px; }
  .person { grid-template-columns: 88px minmax(0, 1fr); gap: 14px; }
  .portrait { width: 88px; }
  .record thead { display: none; }
  .record tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 16px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--line); }
  .record td { display: block; padding: 0; border: 0; }
  .record td.cmp { grid-column: 1 / -1; width: auto; min-width: 0; }
}