* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; font: 16px/1.6 Arial, Helvetica, sans-serif; background: var(--service-page); color: var(--service-ink); }
html[data-theme="light"] { --service-page: #F1F0E8; --service-panel: #FFFFFF; --service-ink: #0B1120; --service-copy: #405068; --service-border: rgba(11,17,32,.16); --service-alt: #E8EAF0; }
html[data-theme="dark"] { --service-page: #0B1120; --service-panel: #151E2E; --service-ink: #F1F0E8; --service-copy: #CBD5E1; --service-border: rgba(148,163,184,.28); --service-alt: #121B2B; }

.wrap { width: min(100% - 48px, 1080px); margin-inline: auto; }
.skip-link { position: fixed; z-index: 200; top: 10px; left: 12px; padding: 10px 14px; background: var(--blue); color: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
#main-content:focus { outline: none; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue-focus); outline-offset: 4px; }

.site-header { position: sticky; top: 0; z-index: 100; background: var(--service-page); border-bottom: 1px solid var(--service-border); }
.nav-inner { width: min(100% - 48px, 1080px); height: 72px; margin-inline: auto; display: flex; align-items: center; gap: 28px; }
.brand { width: 45px; height: 34px; margin-right: auto; display: block; overflow: hidden; background: url('/assets/th-logo-navy.svg') center/contain no-repeat; color: transparent; font-size: 0; }
html[data-theme="dark"] .brand { background-image: url('/assets/th-logo-ivory.svg'); }
.nav-links { display: flex; gap: 25px; }
.nav-links a { font-size: 14px; font-weight: 700; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }

h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { max-width: 900px; font-size: clamp(2.5rem, 6vw, 4.8rem); }
h2 { max-width: 650px; font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.22rem; }
p { margin: 0; color: var(--service-copy); }
.eyebrow { margin-bottom: 18px; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }

.hero { padding-block: clamp(84px, 10vw, 140px) 110px; }
.lead { max-width: 740px; margin-top: 30px; font-size: clamp(1.12rem, 2.1vw, 1.35rem); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 36px; }
.button { min-height: 50px; padding: 12px 20px; border-radius: 7px; display: inline-flex; align-items: center; gap: 18px; text-decoration: none; font-weight: 700; }
.button-primary { background: #2563EB; color: #FFFFFF; }
.button-primary:hover { background: #1D4ED8; }
.text-link { color: var(--service-ink); font-weight: 700; text-underline-offset: 5px; }
.hero-note { margin-top: 38px; font-size: .9rem; }

.section { padding-block: 92px; }
.section-alt { background: var(--service-alt); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 7vw, 100px); }
.copy p + p { margin-top: 20px; }
.copy em, .copy strong { color: var(--service-ink); }
.section-intro { max-width: 700px; margin-top: 20px; }
.steps, .proof-grid { display: grid; gap: 16px; margin-top: 38px; }
.steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.step, .proof-card { padding: 25px; border: 1px solid var(--service-border); border-radius: 12px; background: var(--service-panel); }
.step-number { color: var(--blue); font-size: .82rem; font-weight: 800; }
.step h3 { margin: 12px 0; }
.step p, .proof-card p { font-size: .96rem; }
.small-print { max-width: 900px; margin-top: 30px; font-size: .87rem; }
.proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.proof-card h3 { margin-bottom: 12px; }
.proof-card a { text-decoration: none; }
.proof-card a:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 5px; }
.section-cta { background: var(--service-alt); }
.section-cta p:not(.eyebrow) { max-width: 660px; margin-top: 20px; }
.section-cta .button { margin-top: 26px; }
.section-cta .contact-address { margin-top: 14px !important; font-size: .9rem; }
.site-footer { min-height: 94px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; padding-block: 24px; font-size: .85rem; color: var(--service-copy); }
.site-footer a { font-weight: 700; }
.site-footer .visitor-privacy-notice { flex: 0 0 100%; color: var(--service-copy); font-size: .68rem; line-height: 1.45; }

@media (max-width: 740px) {
  .nav-inner { height: 64px; gap: 16px; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: .81rem; }
  .nav-links a:last-child { display: none; }
  .brand { width: 39px; height: 29px; }
  .hero { padding-block: 76px 78px; }
  .section { padding-block: 68px; }
  .split, .steps, .proof-grid { grid-template-columns: 1fr; }
  .split { gap: 24px; }
}

@media (max-width: 410px) {
  .wrap, .nav-inner { width: min(100% - 36px, 1080px); }
  .nav-inner { gap: 10px; }
  .nav-links { gap: 10px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .site-footer { align-items: flex-start; justify-content: center; flex-direction: column; gap: 4px; padding-block: 24px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }