.site-header { position: sticky; z-index: 100; top: 0; min-height: var(--header-height); border-bottom: 1px solid rgba(11, 42, 74, .12); background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--navy-950); font-size: 1.15rem; font-weight: 700; letter-spacing: .04em; text-decoration: none; }
.brand-mark { position: relative; width: 28px; height: 28px; border: 2px solid currentColor; }
.brand-mark::before, .brand-mark::after, .brand-mark span { content: ""; position: absolute; background: currentColor; }
.brand-mark::before { top: 0; bottom: 0; left: 8px; width: 2px; }
.brand-mark::after { top: 12px; right: 0; left: 0; height: 2px; }
.brand-mark span:first-child { top: 0; bottom: 0; right: 7px; width: 2px; }
.global-nav { display: flex; align-items: center; gap: 1.5rem; margin-left: auto; }
.global-nav a { color: #425463; font-size: .9rem; font-weight: 600; text-decoration: none; }
.global-nav a:hover { color: var(--blue-600); }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: .75rem 1.5rem; border: 1px solid var(--navy-900); background: var(--navy-900); color: var(--white); font-weight: 700; text-align: center; text-decoration: none; transition: background .2s ease, transform .2s ease; }
.button:hover { background: var(--navy-800); transform: translateY(-1px); }
.button-small { min-height: 44px; padding: .55rem 1rem; font-size: .875rem; }
.text-link { display: inline-flex; align-items: center; gap: .55rem; color: var(--navy-900); font-weight: 700; }
.text-link span { color: var(--blue-600); }
.section { padding-block: clamp(5rem, 9vw, 8rem); }
.section-tint { background: var(--blue-050); }
.section-dark { background: var(--navy-950); color: #d7e2eb; }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark .section-number { color: #70b4e9; }
.section-heading { margin-bottom: 3rem; }
.section-heading h2 { max-width: 18em; margin-bottom: 0; }
.section-number { margin-bottom: .75rem; color: var(--blue-600); font-family: Arial, sans-serif; font-size: .8rem; font-weight: 700; letter-spacing: .16em; }
.heading-row { display: flex; align-items: end; justify-content: space-between; gap: 3rem; }
.heading-row > p { max-width: 33rem; margin-bottom: .2rem; color: var(--muted); }
.section-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(3rem, 5vw, 5rem); }
.section-grid .section-heading { margin-bottom: 0; }
.eyebrow { color: var(--blue-600); font-size: .8rem; font-weight: 700; letter-spacing: .16em; }
.note { color: var(--muted); font-size: .85rem; line-height: 1.7; }
.notice-box { margin-top: 1.5rem; padding: 1.25rem 1.5rem; border-left: 4px solid var(--blue-600); background: var(--blue-050); }
.notice-box p:last-child { margin-bottom: 0; }
.site-footer { padding-top: 4rem; background: var(--navy-950); color: #becbd5; }
.brand-light { color: var(--white); }
.footer-main { display: flex; justify-content: space-between; gap: 3rem; padding-bottom: 3rem; }
.footer-main p { margin: .6rem 0 0; font-size: .9rem; }
.footer-main nav { display: grid; grid-template-columns: repeat(2, minmax(9rem, 1fr)); gap: .4rem 2rem; }
.footer-main nav a { color: #dce5ec; font-size: .88rem; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.25rem; border-top: 1px solid rgba(255, 255, 255, .14); font-size: .8rem; }
.footer-bottom p { margin: 0; }

@media (max-width: 900px) {
  .global-nav { display: none; }
  .header-inner .button-small { margin-left: auto; }
  .section-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .heading-row { display: block; }
  .heading-row > p { margin-top: 1.5rem; }
}

@media (max-width: 620px) {
  .header-inner { gap: .75rem; }
  .header-inner .button-small { min-height: 40px; padding-inline: .7rem; font-size: .75rem; }
  .brand { font-size: 1rem; }
  .brand-mark { width: 24px; height: 24px; }
  .footer-main, .footer-bottom { display: block; }
  .footer-main nav { grid-template-columns: 1fr; margin-top: 2rem; }
  .footer-bottom p + p { margin-top: .5rem; }
}