/* TNS Global blog — public stylesheet
   Type: Bodoni Moda (display, Italian Didone) + Instrument Sans (text).
   Colour: white paper, deep-teal ink, one orange accent taken from the brand. */

:root {
  --paper: #ffffff;
  --paper-2: #f3f5f4;
  --ink: #10303a;
  --ink-2: #51666c;
  --ink-3: #86979c;
  --line: #dbe3e4;
  --accent: #ef8a1f;
  --accent-ink: #b45c07;
  --teal: #1b8f99;
  --display: 'Bodoni Moda Variable', 'Bodoni 72', 'Didot', 'Times New Roman', serif;
  --text: 'Instrument Sans Variable', 'Helvetica Neue', Arial, sans-serif;
  --wrap: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  --measure: 66ch;
  --radius: 6px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.012em; margin: 0; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; }
.skip-link:focus { left: 8px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.logo { text-decoration: none; color: var(--ink); }
.logo__inner { display: inline-flex; align-items: center; gap: 10px; }
.logo__mark { color: var(--accent); flex: none; }
.logo__name { font-family: var(--display); font-weight: 700; font-size: 1.55rem; letter-spacing: -0.01em; line-height: 1; }
.site-nav { display: flex; gap: clamp(16px, 3vw, 30px); font-weight: 500; font-size: 0.95rem; }
.site-nav a { text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { border-bottom-color: var(--accent); }

/* Hero: the latest article, set on a faint survey-sheet grid */
.hero {
  background-color: var(--paper);
  background-image: radial-gradient(circle, var(--line) 1px, transparent 1.3px);
  background-size: 22px 22px;
  border-bottom: 1px solid var(--line);
}
.hero__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: center; padding-block: clamp(32px, 5vw, 64px); }
.hero__media img, .post-image--empty { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); background: var(--paper-2); }
.post-image--empty { display: block; }
.hero__meta, .post__meta, .card__date { font-size: 0.9rem; color: var(--ink-2); }
.cat-link { color: var(--accent-ink); font-weight: 600; text-decoration: none; margin-right: 10px; }
.cat-link:hover { text-decoration: underline; }
.hero__title { font-size: clamp(2.2rem, 4.4vw, 3.7rem); line-height: 1.02; margin: 12px 0 18px; }
.hero__title a { text-decoration: none; }
.hero__title a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 3px; }
.hero__excerpt { font-size: 1.1rem; color: var(--ink-2); margin: 0 0 24px; max-width: 48ch; }
.hero__cta, .button { display: inline-block; background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 600; font-size: 0.95rem; padding: 12px 22px; border-radius: 999px; border: 0; cursor: pointer; font-family: inherit; }
.hero__cta:hover, .button:hover { background: var(--accent-ink); }

/* Sections and grid */
.section { padding-block: clamp(36px, 5vw, 64px); }
.section--related { border-top: 1px solid var(--line); }
.section__head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; }
.section__title { font-size: 1.75rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-block; padding: 5px 13px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.875rem; font-weight: 500; text-decoration: none; color: var(--ink); }
.chip:hover { border-color: var(--ink); }
.chip--current { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 32px; }
.card__media { display: block; }
.card__media img, .card__media .post-image--empty { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; border-radius: var(--radius); background: var(--paper-2); }
.card__body { padding-top: 16px; }
.card__title { font-size: 1.5rem; line-height: 1.12; margin: 6px 0 10px; }
.card__title a { text-decoration: none; }
.card__title a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.card__excerpt { margin: 0 0 10px; color: var(--ink-2); font-size: 0.95rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card__date { margin: 0; color: var(--ink-3); font-size: 0.85rem; }
.empty { color: var(--ink-2); }

.pagination { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-weight: 500; }
.pagination__status { color: var(--ink-3); font-size: 0.9rem; }

/* Archive */
.section__head--archive { display: block; }
.archive__kind { margin: 0; color: var(--ink-3); font-size: 0.9rem; }
.archive__title { font-size: clamp(2rem, 4vw, 3rem); margin: 4px 0 20px; }

/* Article */
.post__header { max-width: 820px; padding-top: clamp(32px, 5vw, 64px); }
.post__title { font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1.02; margin-top: 12px; }
.post__figure { margin: clamp(24px, 4vw, 40px) auto; }
.post__figure img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; }
.post__tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; max-width: var(--measure); margin: 40px 0 56px; padding-top: 20px; border-top: 1px solid var(--line); }
.post__tags-label { color: var(--ink-3); font-size: 0.9rem; margin-right: 6px; }

/* Long-form text */
.prose { max-width: var(--measure); font-size: 1.125rem; line-height: 1.68; }
.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 1.25em; }
.prose h2 { font-size: 2rem; line-height: 1.12; margin: 1.8em 0 0.5em; }
.prose h3 { font-size: 1.45rem; line-height: 1.2; margin: 1.5em 0 0.4em; }
.prose h4 { font-family: var(--text); font-size: 1.05rem; margin: 1.4em 0 0.4em; }
.prose a { color: var(--accent-ink); }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.25em; }
.prose li { margin-bottom: 0.4em; }
.prose blockquote { margin: 1.5em 0; padding-left: 20px; border-left: 3px solid var(--accent); color: var(--ink-2); font-style: italic; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.prose img { border-radius: var(--radius); margin: 1.5em 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.95rem; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.prose th { background: var(--paper-2); font-weight: 600; }
.prose code { font-size: 0.92em; background: var(--paper-2); padding: 0.1em 0.35em; border-radius: 4px; }
.prose pre { background: var(--paper-2); padding: 16px; border-radius: var(--radius); overflow: auto; }

/* Static pages and contact */
.page { padding-block: clamp(32px, 5vw, 64px); }
.page__title { font-size: clamp(2.2rem, 4.5vw, 3.4rem); line-height: 1.04; margin-bottom: 28px; }
.page--status { text-align: left; max-width: 48ch; }
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 64px); padding-block: clamp(32px, 5vw, 64px); align-items: start; }
.contact__form { background: var(--paper-2); border-radius: 12px; padding: clamp(20px, 3vw, 32px); }
.form__title { font-size: 1.6rem; margin-bottom: 20px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px;
}
.field textarea { resize: vertical; min-height: 140px; }
.field--hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { border-radius: var(--radius); padding: 12px 16px; margin: 0 0 18px; }
.notice--ok { background: #e4f4ec; color: #14532d; }
.notice--error { background: #fdecec; color: #8a1c1c; padding-left: 32px; }
.notice--error li { margin: 2px 0; }

/* Footer: no social icons by design */
.site-footer { border-top: 1px solid var(--line); margin-top: clamp(32px, 5vw, 64px); }
.site-footer__inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-block: 40px 24px; }
.site-footer__name { font-family: var(--display); font-weight: 700; font-size: 1.3rem; margin: 0 0 6px; }
.site-footer__line { margin: 0; color: var(--ink-2); max-width: 36ch; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 20px; font-size: 0.95rem; align-content: start; }
.site-footer__nav a { text-decoration: none; }
.site-footer__nav a:hover { text-decoration: underline; }
.site-footer__legal { padding-block: 0 32px; color: var(--ink-3); font-size: 0.85rem; }

/* Responsive */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .contact { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .site-header__inner { flex-wrap: wrap; min-height: 0; padding-block: 14px; }
  .site-nav { width: 100%; }
  .grid { grid-template-columns: 1fr; }
  .pagination { flex-direction: column; align-items: flex-start; }
  .prose { font-size: 1.0625rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .site-nav a, .chip, .hero__cta, .button { transition: border-color 120ms ease, background-color 120ms ease; }
}