:root {
  --navy: #102a43;
  --navy-deep: #081b2c;
  --blue: #24527a;
  --aqua: #4aa9a0;
  --aqua-light: #bfe3df;
  --paper: #f5f7fa;
  --white: #ffffff;
  --ink: #1d2d3d;
  --muted: #647586;
  --line: #dce4eb;
  --radius: 20px;
  --container: 1120px;
  --shadow: 0 24px 70px rgba(16, 42, 67, .1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 18px; z-index: 1000; padding: 10px 15px; color: var(--white); background: var(--aqua); border-radius: 8px; font-weight: 800; }
.skip-link:focus { top: 14px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 10; height: 88px; color: var(--white); border-bottom: 1px solid rgba(255, 255, 255, .12); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 88px; }
.brand { display: inline-flex; align-items: center; gap: 13px; font-size: .83rem; font-weight: 780; letter-spacing: .025em; }
.brand-mark { display: grid; place-items: center; width: 43px; height: 43px; flex: 0 0 auto; border: 1px solid rgba(191, 227, 223, .65); border-radius: 13px; color: var(--aqua-light); font-size: .66rem; font-weight: 850; letter-spacing: .04em; }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: .78rem; font-weight: 750; }
.main-nav > a:first-child { color: rgba(255, 255, 255, .72); }
.header-contact { padding: 11px 17px; border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px; }
.header-contact:hover { color: var(--navy-deep); background: var(--white); }

.hero { position: relative; min-height: 700px; padding: 164px 0 100px; color: var(--white); background: linear-gradient(125deg, var(--navy-deep), var(--navy) 58%, #174f65); overflow: hidden; }
.hero::before { content: "TNH"; position: absolute; right: -2vw; bottom: -12vw; color: rgba(255, 255, 255, .035); font-size: clamp(15rem, 34vw, 34rem); font-weight: 900; line-height: .8; letter-spacing: -.1em; pointer-events: none; }
.hero::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 5px; background: linear-gradient(90deg, var(--aqua), var(--aqua-light) 36%, transparent 72%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 100px; }
.eyebrow { margin: 0 0 18px; color: #31857d; font-size: .72rem; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.hero .eyebrow { color: var(--aqua-light); }
h1, h2 { margin-top: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.045em; }
.hero h1 { max-width: 760px; margin-bottom: 26px; font-size: clamp(3.8rem, 8vw, 7.1rem); line-height: .92; }
.hero-lead { max-width: 610px; margin-bottom: 0; color: rgba(255, 255, 255, .68); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; font-size: .78rem; font-weight: 820; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--navy-deep); background: var(--aqua-light); }
.button-secondary { color: var(--white); border-color: rgba(255, 255, 255, .25); }
.button-secondary:hover { background: rgba(255, 255, 255, .08); }
.identity-card { padding: 30px; color: var(--ink); background: rgba(255, 255, 255, .97); border-radius: var(--radius); box-shadow: var(--shadow); }
.identity-number { color: var(--aqua); font-family: Georgia, serif; font-size: 2.5rem; }
.identity-card > p { margin: 8px 0 25px; color: var(--muted); }
.identity-card dl { margin: 0; }
.identity-card dl > div { padding: 15px 0; border-top: 1px solid var(--line); }
dt { margin-bottom: 5px; color: var(--muted); font-size: .68rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
dd { margin: 0; color: var(--navy); font-weight: 760; overflow-wrap: anywhere; }

.business { padding: 110px 0; background: var(--white); }
.business-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 95px; align-items: start; }
.business-intro { position: sticky; top: 40px; }
.business-intro h2 { margin-bottom: 24px; color: var(--navy-deep); font-size: clamp(2.7rem, 5vw, 4.6rem); line-height: 1.02; }
.business-intro > p:last-child { max-width: 430px; color: var(--muted); }
.business-intro strong { color: var(--navy); }
.business-data { display: grid; grid-template-columns: 1fr 1fr; margin: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); overflow: hidden; }
.business-data > div { min-height: 132px; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.business-data .data-wide { grid-column: span 2; }
.business-data address { font-style: normal; }
.business-data a { color: #286b67; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.site-footer { padding-top: 62px; color: rgba(255, 255, 255, .64); background: var(--navy-deep); }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 50px; padding-bottom: 45px; }
.brand-footer { color: var(--white); }
.footer-inner p { margin: 15px 0 0; font-size: .76rem; }
.footer-links { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; font-size: .78rem; }
.footer-links a:hover, .back-link:hover { color: var(--aqua-light); }
.footer-bottom { padding: 19px 0; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .7rem; }

.policy-page { background: var(--paper); }
.policy-header { color: var(--white); background: var(--navy-deep); }
.back-link { color: var(--aqua-light); font-size: .78rem; font-weight: 800; }
.policy-main { padding: 72px 0 100px; }
.policy-document { max-width: 860px; padding: 58px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); }
.policy-document h1 { margin-bottom: 8px; color: var(--navy-deep); font-size: clamp(3rem, 6vw, 5rem); line-height: 1; }
.policy-document h2 { margin: 38px 0 10px; color: var(--navy-deep); font-size: 1.45rem; line-height: 1.2; }
.policy-document p { color: var(--muted); }
.policy-updated { font-size: .8rem; }
.policy-owner { margin: 30px 0; padding: 22px; border-left: 4px solid var(--aqua); background: var(--paper); }
.policy-owner p { margin: 6px 0; font-size: .8rem; overflow-wrap: anywhere; }
.policy-owner a { color: #286b67; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 860px) {
  .hero-grid, .business-grid { grid-template-columns: 1fr; gap: 55px; }
  .hero { min-height: auto; }
  .identity-card { max-width: 560px; }
  .business-intro { position: static; }
}

@media (max-width: 620px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .site-header, .header-inner { min-height: 76px; height: 76px; }
  html { scroll-padding-top: 76px; }
  .brand { max-width: 205px; font-size: .75rem; }
  .main-nav > a:first-child { display: none; }
  .header-contact { padding: 9px 12px; font-size: .7rem; }
  .hero { padding: 125px 0 74px; }
  .hero h1 { font-size: clamp(3.45rem, 17vw, 5.2rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .business { padding: 78px 0; }
  .business-data { grid-template-columns: 1fr; }
  .business-data .data-wide { grid-column: auto; }
  .footer-inner { flex-direction: column; }
  .footer-links { align-items: flex-start; }
  .policy-document { padding: 38px 22px; }
  .policy-header .brand > span:last-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}
