.site-header { position: relative; z-index: 20; width: min(calc(100% - 3rem), var(--max)); min-height: 98px; margin: auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; line-height: 1; }
.brand img { width: 58px; height: 58px; object-fit: contain; }
.brand strong { display: block; font-family: var(--display); font-size: 1.55rem; letter-spacing: .05em; }
.brand small { display: block; margin-top: .35rem; color: var(--gold-light); font-size: .66rem; letter-spacing: .34em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; gap: 2rem; }
.primary-nav a { color: var(--mist); text-decoration: none; font-size: .88rem; }
.primary-nav a:hover { color: #fff; }
.primary-nav .nav-account { padding: .7rem 1rem; border: 1px solid var(--line); color: var(--gold-light); }
.nav-toggle { display: none; width: 48px; height: 48px; background: none; border: 1px solid var(--line); color: #fff; }
.nav-toggle i { display: block; width: 20px; height: 1px; margin: 6px auto; background: currentColor; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: .7rem 1.4rem; border: 1px solid transparent; text-decoration: none; font-weight: 700; }
.button--gold { background: linear-gradient(120deg, #b7842d, var(--gold-light)); color: #06111b; box-shadow: 0 12px 36px rgba(214,173,85,.16); }
.button--ghost { border-color: var(--line); background: rgba(255,255,255,.02); color: var(--ice); }
.text-link { color: var(--ice); text-underline-offset: .35rem; text-decoration-color: var(--gold); }
.action-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; margin-top: 2rem; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 440px); align-items: end; gap: 3rem; margin-bottom: 3rem; }
.section-heading h2 { margin: 0; }
.section-heading p { margin: 0; color: var(--mist); }
.screen { margin: 0; padding: .5rem; border: 1px solid var(--line); background: rgba(6,21,37,.86); box-shadow: 0 30px 100px rgba(0,0,0,.46); }
.screen img { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: top; }
.screen figcaption, .product-hero__screen figcaption, .proof-panel figcaption { padding: .7rem .3rem .2rem; color: var(--gold-light); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.product-card { display: grid; grid-template-columns: 90px 1fr auto; gap: 2rem; align-items: center; padding: 2rem 0; border-top: 1px solid var(--line); }
.product-card__index { width: 64px; height: 64px; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold-light); font-family: var(--display); font-size: 2.1rem; }
.product-card__kind { margin-bottom: .35rem; color: var(--cyan); font-size: .78rem; }
.product-card h2 { margin-bottom: .5rem; font-size: clamp(2rem, 4vw, 3.6rem); }
.product-card p { margin-bottom: 0; color: var(--mist); }
.product-card > a { padding: .7rem 0; color: var(--gold-light); text-underline-offset: .4rem; }
.site-footer { width: min(calc(100% - 3rem), var(--max)); margin: 7rem auto 0; padding: 3rem 0 2rem; display: grid; grid-template-columns: 1fr auto; gap: 2rem; border-top: 1px solid var(--line); color: var(--mist); font-size: .82rem; }
.footer-mark { display: flex; align-items: center; gap: 1rem; }
.footer-mark img { width: 64px; height: 64px; object-fit: contain; }
.footer-mark p { margin: 0; }
.footer-links { display: flex; align-items: center; gap: 1.5rem; }
.legal-name { grid-column: 1/-1; margin: 0; }
@media (max-width: 760px) {
  .site-header { width: min(calc(100% - 2rem), var(--max)); min-height: 78px; }
  .brand img { width: 48px; height: 48px; }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; top: 78px; left: 0; right: 0; display: none; padding: 1rem; flex-direction: column; align-items: stretch; gap: .25rem; background: #061525; border: 1px solid var(--line); }
  .primary-nav[data-open="true"] { display: flex; }
  .primary-nav a { padding: .8rem; }
  .section-heading { grid-template-columns: 1fr; gap: 1rem; }
  .product-card { grid-template-columns: 64px 1fr; gap: 1rem; }
  .product-card > a { grid-column: 2; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
}