/* =========================================================
   TH Data Consulting — shared stylesheet
   ========================================================= */

:root {
  --navy: #0F2A47;
  --navy-dark: #0A1F35;
  --teal: #14B8A6;
  --teal-light: #5EEAD4;
  --teal-deep: #0D9488;
  --blue: #2563A8;
  --amber: #D97706;
  --violet: #7C5CBF;

  --bg: #F7FAF9;
  --surface: #FFFFFF;
  --text: #0F2A47;
  --text-muted: #64748B;
  --text-faint: #94A3B8;
  --border: rgba(15, 42, 71, 0.10);
  --border-soft: rgba(15, 42, 71, 0.06);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --max-width: 1180px;
  --header-h: 84px;

  --shadow-sm: 0 1px 2px rgba(15, 42, 71, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 42, 71, 0.08);
  --table-head: rgba(15, 42, 71, 0.04);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Manrope', ui-sans-serif, system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5em 0;
  font-weight: 700;
}

p { margin: 0 0 1em 0; color: var(--text-muted); }
p:last-child { margin-bottom: 0; }

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--teal); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }
section.tight { padding: 56px 0; }

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin: 0 0 14px 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head h2 { font-size: 34px; }
.section-head p { font-size: 17px; margin-top: 12px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--teal);
  color: #FFFFFF;
}
.btn-primary:hover { background: var(--teal-deep); color: #FFFFFF; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--navy); color: var(--navy); }

.btn-outline-light {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-light:hover { border-color: #FFFFFF; }

/* =========================================================
   Header / Nav
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
}

.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--navy);
}
.brand:hover { color: var(--navy); }

.brand-icon { width: 42px; height: 42px; flex-shrink: 0; }

.brand-text { display: flex; flex-direction: column; gap: 2px; line-height: 1; }
.brand-word {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  gap: 6px;
}
.brand-word span.accent { color: var(--teal); }
.brand-sub {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-collapse {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a.nav-link:hover,
.nav-links a.nav-link[aria-current="page"] {
  color: var(--teal-deep);
  border-bottom-color: var(--teal);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  background: var(--navy-dark);
  color: rgba(248,250,252,0.75);
  padding: 64px 0 32px 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(248,250,252,0.12);
}

.footer-brand .brand-word { color: #FFFFFF; }
.footer-brand .brand-sub { color: rgba(248,250,252,0.5); }
.footer-brand p { color: rgba(248,250,252,0.6); margin-top: 14px; max-width: 320px; font-size: 14px; }

.footer-col h4 {
  color: #FFFFFF;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: rgba(248,250,252,0.7);
  font-size: 14px;
  margin-bottom: 10px;
}
.footer-col a:hover { color: var(--teal-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(248,250,252,0.45);
  flex-wrap: wrap;
  gap: 12px;
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  background: linear-gradient(180deg, #0F2A47 0%, #123A5E 100%);
  color: #FFFFFF;
  padding: 96px 0 110px 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -160px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,0.18) 0%, rgba(20,184,166,0) 70%);
  pointer-events: none;
}

.hero-inner { max-width: 680px; position: relative; }
.hero .eyebrow { color: var(--teal-light); }
.hero h1 { color: #FFFFFF; font-size: 46px; margin-bottom: 20px; }
.hero p.lead { color: rgba(248,250,252,0.8); font-size: 18px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

.page-hero {
  background: var(--navy);
  color: #FFFFFF;
  padding: 72px 0;
}
.page-hero .eyebrow { color: var(--teal-light); }
.page-hero h1 { color: #FFFFFF; font-size: 38px; }
.page-hero p { color: rgba(248,250,252,0.75); font-size: 17px; max-width: 620px; margin-top: 12px; }

/* =========================================================
   Cards / grids
   ========================================================= */

.grid {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 32px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  padding: 28px 16px;
}
.tool-badge {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.tool-card h4 { font-size: 15px; font-weight: 700; margin: 0; color: var(--navy); }

.service-card { display: flex; flex-direction: column; gap: 16px; }
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card h3 { font-size: 20px; }
.service-card ul { margin: 4px 0 0 0; padding-left: 18px; color: var(--text-muted); font-size: 14px; }
.service-card li { margin-bottom: 6px; }

.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 26px 24px;
  text-align: left;
}
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 34px;
  font-weight: 700;
  color: var(--navy);
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.stat-value .accent { color: var(--teal-deep); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

.case-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.case-tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--teal-deep);
  background: rgba(20,184,166,0.10);
  padding: 5px 12px;
  border-radius: 999px;
}
.case-result {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
}
.case-tools { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.case-tools span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
}

.placeholder-note {
  background: rgba(217, 119, 6, 0.08);
  border: 1px dashed rgba(217, 119, 6, 0.4);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 14px;
  color: #92400E;
  margin-bottom: 40px;
}
.placeholder-note strong { color: #78350F; }

/* =========================================================
   Charts (sample dashboard)
   ========================================================= */

.dashboard-panel {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.chart-card h3 {
  font-size: 16px;
  margin-bottom: 4px;
}
.chart-sub {
  font-size: 13px;
  color: var(--text-faint);
  margin-bottom: 18px;
}

.legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-muted);
}
.legend-item { display: flex; align-items: center; gap: 7px; }
.legend-swatch { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }

.bar-group:hover rect.bar { opacity: 0.85; }
.bar-value { font-size: 12px; font-weight: 700; fill: var(--navy); }
.bar-cat { font-size: 12px; fill: var(--text-muted); }

.line-dot { transition: r 0.15s ease; }
.line-dot:hover { r: 6; }

.cta-band {
  background: var(--navy);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
}
.cta-band h2 { color: #FFFFFF; }
.cta-band p { color: rgba(248,250,252,0.75); max-width: 520px; margin: 12px auto 28px auto; }

/* =========================================================
   Contact form
   ========================================================= */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 { font-size: 18px; margin-top: 28px; }
.contact-info h3:first-child { margin-top: 0; }
.contact-info a.email-link {
  display: inline-block;
  font-weight: 700;
  color: var(--teal-deep);
  font-size: 16px;
  margin-top: 6px;
}

.form-field { margin-bottom: 20px; }
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}
.form-field input,
.form-field textarea {
  width: 100%;
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  color: var(--text);
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-sizing: border-box;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.form-field textarea { resize: vertical; min-height: 130px; }

.form-note {
  font-size: 13px;
  color: var(--text-faint);
  margin-top: 16px;
}

/* ---------- Long-form article tables / TOC / notes (cookie policy, blog) ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 8px;
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
}
th {
  background: var(--table-head);
  font-weight: 600;
}
.toc {
  background: var(--table-head);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 28px 0 8px;
}
.toc p { margin: 0 0 8px; font-weight: 600; }
.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin: 4px 0; }
.note {
  background: #fff8e6;
  border: 1px solid #f0dca0;
  border-radius: 8px;
  padding: 14px 18px;
  margin: 20px 0;
  font-size: 0.92rem;
}

/* =========================================================
   Blog
   ========================================================= */

.featured-post {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 48px;
  box-shadow: var(--shadow-sm);
}
.featured-post-media {
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.featured-post-body {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.featured-post-body h2 { font-size: 27px; }
.featured-post-body h2 a { color: inherit; }
.featured-post-body h2 a:hover { color: var(--teal-deep); }

.post-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.post-thumb {
  width: 100%;
  height: 130px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.post-card h3 { font-size: 19px; margin: 0; }
.post-card h3 a { color: inherit; }
.post-card h3 a:hover { color: var(--teal-deep); }
.post-excerpt { font-size: 14px; }

.post-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-faint);
}
.post-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-faint); flex-shrink: 0; }

.post-readmore {
  font-size: 14px;
  font-weight: 700;
  color: var(--teal-deep);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}
.post-readmore svg { width: 14px; height: 14px; transition: transform 0.15s ease; }
.post-card:hover .post-readmore svg,
.featured-post:hover .post-readmore svg { transform: translateX(3px); }

.tag-pill-light {
  display: inline-flex;
  align-self: flex-start;
  background: rgba(255,255,255,0.14);
  color: #FFFFFF;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
}
.back-link:hover { color: var(--teal-deep); }
.back-link svg { width: 13px; height: 13px; }

.article-hero { padding-bottom: 56px; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(248,250,252,0.7);
  margin-top: 18px;
}

/* Long-form article body */
.prose { max-width: 720px; margin: 0 auto; }
.prose h2 { font-size: 25px; margin-top: 44px; }
.prose h3 { font-size: 19px; margin-top: 32px; }
.prose p { font-size: 16px; }
.prose ul, .prose ol { color: var(--text-muted); font-size: 16px; padding-left: 22px; margin: 0 0 1em 0; }
.prose li { margin-bottom: 8px; }
.prose blockquote {
  border-left: 3px solid var(--teal);
  margin: 28px 0;
  padding: 2px 0 2px 20px;
  font-style: italic;
  color: var(--text);
  font-size: 17px;
}
.prose strong { color: var(--navy); }

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 36px; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post-media { min-height: 200px; }
  .featured-post-body { padding: 32px; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }

  .nav-toggle { display: flex; }
  .nav-collapse { display: none; }

  .site-header.nav-open { position: relative; }
  .site-header.nav-open .nav-collapse {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 24px 24px;
    box-shadow: var(--shadow-md);
  }
  .site-header.nav-open .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }
  .site-header.nav-open .nav-links a.nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-soft);
  }
  .site-header.nav-open .nav-book {
    margin-top: 14px;
    width: 100%;
  }

  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .hero { padding: 64px 0 72px 0; }
  .hero h1 { font-size: 30px; }
  .hero p.lead { font-size: 16px; }
  .hero-actions .btn { width: 100%; }
  .hero-actions { flex-direction: column; }

  .section-head h2 { font-size: 26px; }
  .cta-band { padding: 40px 24px; }
  .dashboard-panel { padding: 20px; }
  .contact-grid { grid-template-columns: 1fr; }
  .featured-post-body { padding: 24px; }
  .featured-post-body h2 { font-size: 22px; }
  .prose h2 { font-size: 21px; }
}

@media (max-width: 480px) {
  .brand-word { font-size: 16px; }
  .stat-value { font-size: 26px; }
}