/* ============================================================
   TAG International Group Limited — site stylesheet
   Adapted from NHS HomeTest Operating Model design system
   ============================================================ */

:root {
  /* Brand palette — sampled from the official TAG International logo */
  --tag-blue:        #00A9F3;   /* the TAG lettering — pure brand blue */
  --tag-blue-mid:    #0091D4;   /* hover / press */
  --tag-blue-deep:   #0078B5;   /* solid links */
  --tag-blue-darker: #00405E;   /* gradient bottom */
  --tag-blue-pale:   #D6F0FE;   /* callout fill */
  --tag-blue-tint:   #ECF7FE;   /* faint hairline backgrounds */

  --tag-black:       #0A0E14;   /* page background top, brand mark */
  --tag-ink:         #161D29;   /* deep ink, gradient top variant */
  --tag-steel:       #2B3645;   /* secondary ink */

  /* Legacy aliases retained for backwards compat in mark-up still referencing amber tokens */
  --tag-amber:       var(--tag-blue);
  --tag-amber-deep:  var(--tag-blue-deep);
  --tag-amber-pale:  var(--tag-blue-pale);
  --tag-cream:       var(--tag-blue-tint);
  --tag-navy:        var(--tag-black);
  --tag-navy-deep:   var(--tag-black);

  /* Typography ink */
  --text:        #0A0E14;
  --text-sec:    #2B3645;
  --text-muted:  #6B7785;

  /* Surface */
  --card:        #ffffff;
  --bg:          #f4f6f8;
  --border:      #d4dae2;
  --border-lt:   #e8ecf1;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--tag-black) 0%, var(--tag-ink) 45%, var(--tag-blue-darker) 100%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: inherit; }

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

/* ----- Top navigation ---------------------------------------- */
.topnav {
  background: #fff;
  border-bottom: 1px solid var(--border-lt);
  padding: 10px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: 0 2px 14px rgba(6, 26, 48, 0.18);
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--tag-black);
}
.brand-logo {
  height: 58px;
  width: auto;
  display: block;
}
@media (max-width: 720px) {
  .brand-logo { height: 48px; }
}

.nav-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sec);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  letter-spacing: 0.2px;
  transition: background 0.18s ease, color 0.18s ease;
}
.nav-links a:hover {
  background: #f0f4f8;
  color: var(--text);
}
.nav-links a.active {
  background: var(--tag-black);
  color: var(--tag-blue);
}

/* ----- Page container ---------------------------------------- */
.page {
  max-width: 1180px;
  margin: 30px auto 60px;
  padding: 56px 48px 64px;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(6, 26, 48, 0.22);
}
@media (max-width: 720px) {
  .page { padding: 40px 24px 48px; margin: 16px auto 32px; border-radius: 12px; }
}

/* ----- Hero ------------------------------------------------- */
.amber-rule {
  width: 72px;
  height: 4px;
  background: var(--tag-blue);
  border-radius: 2px;
  margin-bottom: 22px;
}
.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  color: var(--text-sec);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.eyebrow-light {
  color: rgba(255, 255, 255, 0.85);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 56px;
}
.hero-title {
  font-size: 56px;
  font-weight: 900;
  color: var(--tag-black);
  letter-spacing: -1.6px;
  line-height: 1.02;
  margin-bottom: 18px;
}
.hero-title-sm {
  font-size: 44px;
}
.hero-sub {
  font-size: 17.5px;
  color: var(--text-sec);
  line-height: 1.65;
  max-width: 560px;
  margin-bottom: 14px;
}
.hero-sub strong { color: var(--text); font-weight: 700; }
.hero-image img {
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(6, 26, 48, 0.22);
}

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-title { font-size: 38px; letter-spacing: -1px; }
}

/* ----- Section heading -------------------------------------- */
.section { margin: 56px 0; }
.section-rule {
  width: 56px;
  height: 4px;
  background: var(--tag-blue);
  border-radius: 2px;
  margin-bottom: 16px;
}
.section-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  color: var(--text-sec);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--tag-black);
  letter-spacing: -0.8px;
  line-height: 1.12;
  margin-bottom: 14px;
}
.section-intro {
  font-size: 15.5px;
  color: var(--text-sec);
  line-height: 1.7;
  max-width: 760px;
  margin-bottom: 28px;
}
.section-intro strong { color: var(--text); font-weight: 700; }

/* ----- Lens cards (three-up) -------------------------------- */
.lenses {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 32px;
}
.lens {
  background: var(--card);
  border: 1px solid var(--border-lt);
  border-radius: 14px;
  padding: 26px 26px 24px;
  border-top: 5px solid var(--tag-blue);
}
.lens-num {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.6px;
  color: var(--tag-blue-deep);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.lens-h {
  font-size: 22px;
  font-weight: 800;
  color: var(--tag-black);
  margin-bottom: 14px;
  letter-spacing: -0.4px;
  line-height: 1.18;
}
.lens-body {
  font-size: 13.5px;
  color: var(--text-sec);
  line-height: 1.7;
}
.lens-body strong { color: var(--text); font-weight: 700; }
@media (max-width: 820px) { .lenses { grid-template-columns: 1fr; } }

/* ----- Tile grid (NHS-style 2x2 with rounded inner) --------- */
.tile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 16px 0 0;
}
.tile {
  background: var(--card);
  border: 1px solid var(--border-lt);
  border-radius: 14px;
  padding: 30px 30px 26px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.22s ease, border-color 0.18s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 6px rgba(6, 26, 48, 0.05);
  overflow: hidden;
  min-height: 220px;
}
.tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(6, 26, 48, 0.12);
  border-color: var(--tag-blue);
}
.tile-stripe {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: var(--tag-blue);
}
.tile-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.6px;
  color: var(--tag-blue-deep);
  text-transform: uppercase;
  margin: 8px 0 8px;
}
.tile-h {
  font-size: 24px;
  font-weight: 800;
  color: var(--tag-black);
  letter-spacing: -0.4px;
  line-height: 1.15;
  margin-bottom: 10px;
}
.tile-body {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.65;
  flex-grow: 1;
  margin-bottom: 16px;
}
.tile-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--tag-blue);
  font-size: 13px;
  font-weight: 700;
  border-top: 1px solid var(--border-lt);
  padding-top: 14px;
  letter-spacing: 0.3px;
}
.tile-cta-arrow { transition: transform 0.18s; }
.tile:hover .tile-cta-arrow { transform: translateX(5px); }
@media (max-width: 820px) { .tile-grid { grid-template-columns: 1fr; } }

/* ----- Stat row --------------------------------------------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 20px 0 36px;
}
.stat {
  background: var(--tag-blue-pale);
  border: 1px solid #C4D6E8;
  border-radius: 12px;
  padding: 20px 22px;
}
.stat-num {
  font-size: 30px;
  font-weight: 900;
  color: var(--tag-black);
  letter-spacing: -0.8px;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.4px;
  color: var(--tag-blue-deep);
  text-transform: uppercase;
}
.stat-desc {
  font-size: 12px;
  color: var(--text-sec);
  margin-top: 4px;
  line-height: 1.5;
}
@media (max-width: 820px) { .stat-row { grid-template-columns: 1fr 1fr; } }

/* ----- Image with caption ----------------------------------- */
.fig {
  margin: 18px 0 26px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(6, 26, 48, 0.14);
  border: 1px solid var(--border-lt);
}
.fig img { width: 100%; display: block; }
.fig-caption {
  font-size: 12px;
  color: var(--text-muted);
  padding: 12px 18px;
  background: #fafbfc;
  border-top: 1px solid var(--border-lt);
  letter-spacing: 0.2px;
}

/* ----- Photo gallery ---------------------------------------- */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 18px 0 10px;
}
.photo-gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border-lt);
  box-shadow: 0 8px 22px rgba(6, 26, 48, 0.12);
}
.gallery-caption {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.2px;
  line-height: 1.6;
  margin: 4px 0 0;
}
@media (max-width: 820px) {
  .photo-gallery { grid-template-columns: 1fr 1fr; }
  .photo-gallery img { height: 180px; }
}

/* ----- Two-column with image ------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 38px;
  align-items: center;
  margin: 30px 0;
}
.split-reverse { grid-template-columns: 1fr 1fr; }
.split-text h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--tag-black);
  letter-spacing: -0.4px;
  margin-bottom: 12px;
}
.split-text p {
  font-size: 14.5px;
  color: var(--text-sec);
  line-height: 1.7;
  margin-bottom: 12px;
}
.split-text strong { color: var(--text); }
.split-img img {
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(6, 26, 48, 0.14);
}
@media (max-width: 820px) { .split { grid-template-columns: 1fr; gap: 22px; } }

/* ----- Bullet list (clean) ---------------------------------- */
.bullets {
  list-style: none;
  margin: 8px 0 18px;
  padding: 0;
}
.bullets li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: var(--text-sec);
  line-height: 1.7;
  margin-bottom: 8px;
}
.bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--tag-blue);
  border-radius: 50%;
}
.bullets strong { color: var(--text); font-weight: 700; }

/* ----- Sector cards (5-up) ---------------------------------- */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px;
}
.sector-card {
  background: var(--card);
  border: 1px solid var(--border-lt);
  border-top: 5px solid var(--tag-blue);
  border-radius: 12px;
  padding: 24px 24px 22px;
}
.sector-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--tag-black);
  letter-spacing: -0.3px;
  margin-bottom: 10px;
}
.sector-card p {
  font-size: 13.5px;
  color: var(--text-sec);
  line-height: 1.65;
}
@media (max-width: 820px) { .sector-grid { grid-template-columns: 1fr; } }

/* ----- Project entries (timeline-ish) ----------------------- */
.project {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: center;
  padding: 32px 0;
  border-bottom: 1px solid var(--border-lt);
}
.project:last-child { border-bottom: none; }
.project-reverse { direction: rtl; }
.project-reverse > * { direction: ltr; }
.project-text h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--tag-black);
  letter-spacing: -0.5px;
  margin-bottom: 10px;
  line-height: 1.18;
}
.project-meta {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.6px;
  color: var(--tag-blue-deep);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.project-body {
  font-size: 14.5px;
  color: var(--text-sec);
  line-height: 1.7;
  margin-bottom: 14px;
}
.project-body strong { color: var(--text); font-weight: 700; }
.project-img img {
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(6, 26, 48, 0.18);
}
@media (max-width: 820px) {
  .project { grid-template-columns: 1fr; gap: 20px; padding: 24px 0; }
  .project-reverse { direction: ltr; }
}

/* ----- Team cards ------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 24px;
}
.team-grid-2 { grid-template-columns: repeat(2, 1fr); }
.team-card {
  background: var(--card);
  border: 1px solid var(--border-lt);
  border-radius: 14px;
  padding: 28px 26px;
}
.team-portrait {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--tag-blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 900;
  color: var(--tag-black);
  letter-spacing: -1px;
  margin-bottom: 18px;
  border: 3px solid var(--tag-blue);
}
.team-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--tag-black);
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}
.team-role {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.4px;
  color: var(--tag-blue-deep);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.team-bio {
  font-size: 13.5px;
  color: var(--text-sec);
  line-height: 1.65;
}
@media (max-width: 820px) { .team-grid { grid-template-columns: 1fr; } }

/* ----- Contact panel ---------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  margin-top: 28px;
}
.contact-card {
  background: var(--tag-black);
  color: #fff;
  border-radius: 14px;
  padding: 36px 36px 32px;
}
.contact-card h3 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 18px;
}
.contact-detail {
  display: block;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  margin-bottom: 8px;
}
.contact-detail strong { color: #fff; font-weight: 700; }
.contact-eyebrow {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 1.8px;
  color: var(--tag-blue);
  text-transform: uppercase;
  margin-bottom: 4px;
  margin-top: 18px;
}
.contact-form label {
  display: block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.4px;
  color: var(--text-sec);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  margin-bottom: 14px;
  color: var(--text);
}
.contact-form textarea { min-height: 110px; resize: vertical; }
.contact-form button {
  background: var(--tag-blue);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.18s ease;
}
.contact-form button:hover { background: var(--tag-blue-deep); }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

/* ----- Highlight callout ------------------------------------ */
.callout {
  background: var(--tag-blue-tint);
  border: 1px solid #C4D6E8;
  border-left: 5px solid var(--tag-blue);
  border-radius: 10px;
  padding: 22px 26px;
  margin: 24px 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-sec);
}
.callout strong { color: var(--text); font-weight: 700; }
.callout h4 {
  font-size: 14px;
  font-weight: 800;
  color: var(--tag-black);
  letter-spacing: 0.2px;
  margin-bottom: 8px;
}

/* ----- Footer ----------------------------------------------- */
.site-foot {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 48px 40px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
  line-height: 1.7;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}
.site-foot a { color: rgba(255, 255, 255, 0.85); text-decoration: none; }
.site-foot a:hover { color: var(--tag-blue); }
.foot-brand {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.4px;
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .site-foot { padding: 24px 24px 32px; flex-direction: column; align-items: flex-start; }
  .topnav { padding: 14px 22px; }
}