/* DataToolsUK — no tracking, no third-party requests */
:root {
  --bg: #f4f1ea;
  --bg-card: #fffcf7;
  --ink: #132028;
  --ink-soft: #3e515b;
  --line: #d8d0c4;
  --accent: #0c6e60;
  --accent-hover: #09574c;
  --accent-soft: #e3f4ef;
  --mint: #8fd6c6;
  --copper: #b85a2a;
  --nav: #102027;
  --nav-2: #17313b;
  --code-bg: #15242c;
  --code-ink: #e7eee9;
  --max: 72rem;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Segoe UI", "Helvetica Neue", system-ui, -apple-system, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0.75rem;
}
.skip:focus {
  left: 0.75rem;
  z-index: 50;
  background: #fff;
  color: var(--ink);
  padding: 0.45rem 0.8rem;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  background: var(--nav);
  color: #f4f1ea;
}
.site-header a { color: #f4f1ea; text-decoration: none; }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.15rem;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}
.wordmark .mark {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}
.primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.2rem;
  font-size: 0.95rem;
}
.primary-nav a { color: #d8e0db; }
.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 5px;
}

/* Hero */
.hero {
  background:
    radial-gradient(1200px 280px at 80% -20%, rgba(26,168,136,0.18), transparent 60%),
    linear-gradient(180deg, var(--nav) 0%, var(--nav-2) 100%);
  color: #f4f1ea;
  padding: 3.6rem 0 4.2rem;
}
.eyebrow {
  color: var(--mint);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 650;
  margin: 0 0 0.7rem;
}
.hero h1 {
  font-size: clamp(2rem, 5.4vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 700;
  max-width: 18ch;
  margin: 0 0 1rem;
}
.lede {
  font-size: 1.18rem;
  line-height: 1.55;
  max-width: 38rem;
  color: #d4ddd8;
  margin: 0 0 1.85rem;
}
.actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  padding: 0.72rem 1.15rem;
  border-radius: 8px;
  font-weight: 650;
  border: 1px solid transparent;
}
.btn:hover { background: var(--accent-hover); }
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.32);
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); }
.btn-outline {
  background: transparent;
  color: var(--accent) !important;
  border: 1px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-soft); }

/* Sections */
.section { padding: 3.4rem 0; }
.section h2 {
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  letter-spacing: -0.025em;
  margin: 0 0 0.45rem;
}
.intro {
  color: var(--ink-soft);
  max-width: 42rem;
  margin: 0 0 1.8rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr));
  gap: 1.1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(16,32,39,0.03);
}
a.card:hover {
  border-color: #9ecabe;
  box-shadow: 0 10px 28px rgba(16,32,39,0.07);
  transform: translateY(-1px);
}
.card h3 {
  margin: 0;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.card p { margin: 0; color: var(--ink-soft); flex: 1; font-size: 0.98rem; }
.kicker {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
}
.price, .meta-line {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 0.35rem;
}
.card .more {
  font-weight: 650;
  color: var(--accent);
  font-size: 0.92rem;
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.6rem 1.6rem 1.7rem;
}
.panel h2 { margin-top: 0; }
.coming {
  display: inline-block;
  background: #f3e2d4;
  color: var(--copper);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.2rem;
}
.principles h3 { margin: 0 0 0.3rem; font-size: 1.02rem; }
.principles p { margin: 0; color: var(--ink-soft); }

/* Tool / inner pages */
.page-hero {
  background: var(--nav);
  color: #f4f1ea;
  padding: 2.4rem 0 2.6rem;
}
.page-hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 0.7rem;
  max-width: 22ch;
}
.page-hero .lede { margin-bottom: 1.2rem; font-size: 1.08rem; }
.crumbs {
  font-size: 0.85rem;
  color: #b7c2bd;
  margin: 0 0 0.85rem;
}
.crumbs a { color: #d5e0db; }

.content { padding: 2.4rem 0 3.4rem; }
.split {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 800px) {
  .split { grid-template-columns: 1fr; }
  .hero { padding: 2.6rem 0 3rem; }
}

.prose { max-width: 44rem; }
.prose :first-child { margin-top: 0; }
.prose h1, .prose h2, .prose h3 {
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
}
.prose h1 { font-size: clamp(1.7rem, 4vw, 2.2rem); margin: 0 0 1rem; }
.prose h2 { font-size: 1.35rem; margin: 2.1rem 0 0.7rem; }
.prose h3 { font-size: 1.12rem; margin: 1.5rem 0 0.45rem; }
.prose p, .prose ul, .prose ol { margin: 0 0 1rem; }
.prose li { margin: 0.2rem 0; }
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
  background: #ece7de;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.prose pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 1rem 1.1rem;
  border-radius: 10px;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.5;
  margin: 0 0 1.2rem;
}
.prose pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 0 0 1.3rem;
}
.prose th, .prose td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0.55rem 0.45rem 0;
  vertical-align: top;
}
.prose th { font-weight: 650; }
.prose blockquote {
  margin: 0 0 1.2rem;
  padding: 0.1rem 0 0.1rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
}
.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}
.attribution {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.aside {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  position: sticky;
  top: 1rem;
}
.aside h2 { font-size: 1rem; margin: 0 0 0.5rem; }
.aside p { margin: 0 0 0.9rem; color: var(--ink-soft); font-size: 0.95rem; }
.aside .price { font-weight: 650; color: var(--ink); }
.aside ul { margin: 0 0 1rem; padding-left: 1.1rem; color: var(--ink-soft); font-size: 0.95rem; }

.list-plain { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.list-plain li { margin: 0 0 0.55rem; }

/* Footer */
.site-footer {
  background: var(--nav);
  color: #c5cfc9;
  padding: 2.6rem 0 2.4rem;
  font-size: 0.92rem;
}
.site-footer a { color: #e6eee9; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.6rem;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; }
  .header-inner { flex-wrap: wrap; padding-top: 0.7rem; padding-bottom: 0.8rem; }
}
.site-footer h2 {
  color: #f4f1ea;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0 0 0.35rem; }
.ogl {
  margin-top: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  color: #9aa8a3;
  font-size: 0.85rem;
  max-width: 50rem;
}

.note {
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin: 0 0 1.2rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  a.card:hover { transform: none; }
}

/* Sample digest on /alerts/ */
.digest-preview {
  background: #f4f1ea;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin: 1.2rem 0 2rem;
  max-width: 40rem;
}
.digest-preview-head {
  background: #102027;
  color: #f4f1ea;
  padding: 1rem 1.2rem;
}
.digest-brand { font-weight: 700; }
.digest-kicker {
  font-size: 0.75rem;
  color: #8fd6c6;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}
.digest-preview-body {
  background: #fffcf7;
  padding: 1.2rem 1.2rem 1.3rem;
}
.digest-preview-body h3 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.digest-date { margin: 0 0 0.4rem; color: var(--ink-soft); font-size: 0.92rem; }
.digest-filters { font-size: 0.88rem; color: var(--ink-soft); }
.digest-section {
  margin: 1.2rem 0 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
}
.digest-item {
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}
.digest-item a {
  font-weight: 700;
  text-decoration: none;
}
.digest-meta { font-size: 0.88rem; color: var(--ink-soft); margin: 0.35rem 0; }
.digest-item p { margin: 0.35rem 0 0; }
.digest-foot { margin: 1rem 0 0; font-size: 0.88rem; color: var(--ink-soft); }