/* Site chrome and section scaffolding shared by every page. */

/* Header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.site-header.is-scrolled, body.nav-open .site-header { background: #0a0c0fd9; border-bottom-color: var(--line); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); }
.site-header__inner { display: flex; align-items: center; gap: 32px; height: var(--header-h); width: min(100% - 40px, var(--container)); margin-inline: auto; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark { width: 28px; height: 28px; color: var(--accent); }
.brand__name { font-weight: 850; font-size: 1.15rem; letter-spacing: .02em; }
.brand__sub { padding-left: 10px; border-left: 1px solid var(--line-2); color: var(--muted); font-size: .8rem; font-weight: 500; }

.site-nav { display: flex; gap: 4px; margin-left: auto; }
.site-nav a { padding: 8px 14px; border-radius: 999px; color: var(--text-2); font-size: .92rem; font-weight: 550; text-decoration: none; transition: color .2s, background .2s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); background: #ffffff0d; }
.site-header__actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle { display: none; position: relative; width: 44px; height: 44px; border: 1px solid var(--line-2); border-radius: 50%; background: transparent; cursor: pointer; }
.nav-toggle span { position: absolute; left: 13px; right: 13px; height: 2px; border-radius: 2px; background: var(--text); transition: transform .3s var(--ease); }
.nav-toggle span:first-child { top: 17px; }
.nav-toggle span:last-child { top: 25px; }
body.nav-open .nav-toggle span:first-child { transform: translateY(4px) rotate(45deg); }
body.nav-open .nav-toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }

.mobile-nav { display: none; }

@media (max-width: 920px) {
    .site-nav, .site-header__actions .btn { display: none; }
    .site-header__actions { margin-left: auto; }
    .nav-toggle { display: block; }
    .brand__sub { display: none; }
    .mobile-nav { display: grid; gap: 4px; padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height .4s var(--ease), padding .4s var(--ease); }
    .mobile-nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); color: var(--text); font-size: 1.1rem; font-weight: 600; text-decoration: none; }
    .mobile-nav .btn { margin-top: 16px; }
    body.nav-open .mobile-nav { max-height: 480px; padding: 8px 20px 24px; }
}

/* Sections */
.section { position: relative; padding: clamp(72px, 9vw, 120px) 0; }
.section--panel { background: var(--bg-2); border-block: 1px solid var(--line); }
.section__head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.section__head .lead { margin-top: 20px; }
.section__head--split { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; max-width: none; }
.section__head--split > div { max-width: 760px; }
@media (max-width: 720px) { .section__head--split { flex-direction: column; align-items: flex-start; } }

/* Page hero for interior pages */
.page-hero { position: relative; padding: calc(var(--header-h) + clamp(64px, 9vw, 120px)) 0 clamp(56px, 7vw, 96px); overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 360px at 85% 0%, #ff6a1a26, transparent 70%), linear-gradient(#ffffff06 1px, transparent 1px) 0 0 / 100% 48px, linear-gradient(90deg, #ffffff06 1px, transparent 1px) 0 0 / 48px 100%; mask-image: linear-gradient(#000 40%, transparent); -webkit-mask-image: linear-gradient(#000 40%, transparent); pointer-events: none; }
.page-hero .container { position: relative; }
.page-hero h1 { max-width: 16ch; font-size: clamp(2.4rem, 5vw, 4rem); }
.page-hero .lead { margin-top: 24px; }
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

/* CTA band */
.cta-band { position: relative; padding: clamp(72px, 9vw, 120px) 0; overflow: hidden; background: radial-gradient(800px 400px at 15% 100%, #ff6a1a2e, transparent 70%), var(--bg-2); border-top: 1px solid var(--line); }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band h2 { margin-bottom: 16px; }
.cta-band__actions { display: flex; flex-direction: column; gap: 12px; flex: none; }
@media (max-width: 860px) { .cta-band__inner { flex-direction: column; align-items: flex-start; } .cta-band__actions { flex-direction: row; flex-wrap: wrap; } }

/* Footer */
.site-footer { padding: 72px 0 32px; border-top: 1px solid var(--line); background: var(--bg); color: var(--muted); font-size: .92rem; }
.site-footer__grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; }
.site-footer__brand p { margin-top: 16px; max-width: 38ch; }
.site-footer nav { display: grid; align-content: start; gap: 10px; }
.site-footer h2 { margin-bottom: 6px; color: var(--text); font-size: .78rem; font-family: var(--font-mono); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.site-footer a { text-decoration: none; transition: color .2s; }
.site-footer nav a:hover { color: var(--text); }
.site-footer__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 20px; padding-top: 24px; border-top: 1px solid var(--line); font-size: .8rem; }
@media (max-width: 820px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } .site-footer__brand { grid-column: 1 / -1; } }

.not-found { min-height: 80vh; display: flex; align-items: center; border-bottom: 0; }

/* Copy + visual split */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(40px, 5vw, 80px); align-items: center; }
.split--visual-wide { grid-template-columns: minmax(0, .8fr) minmax(0, 1.3fr); }
.split__copy h2 { margin-bottom: 20px; }
.split__copy .check-list { margin: 28px 0 32px; }
@media (max-width: 980px) { .split, .split--visual-wide { grid-template-columns: 1fr; } }

/* USA ownership + government registration */
.us-flag { display: block; width: 100%; height: auto; border-radius: 4px; box-shadow: 0 0 0 1px #ffffff1a; }
.us-flag--mini { flex: none; width: 24px; border-radius: 2px; }
.usa-band { position: relative; padding: clamp(48px, 6vw, 72px) 0; border-bottom: 1px solid var(--line); background: linear-gradient(90deg, #3c3b6e14, transparent 40%, #b2223410), var(--bg); overflow: hidden; }
.usa-band__inner { display: grid; grid-template-columns: 200px minmax(0, 1fr) auto; gap: clamp(24px, 4vw, 56px); align-items: center; }
.usa-band__flag { position: relative; overflow: hidden; border-radius: 6px; box-shadow: 0 24px 60px -24px #000; transform: perspective(600px) rotateY(-8deg); }
.usa-band__flag::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, transparent 20%, #ffffff40 45%, transparent 60%); background-size: 250% 100%; animation: flag-sheen 5s ease-in-out infinite; }
@keyframes flag-sheen { 0% { background-position: 150% 0; } 100% { background-position: -100% 0; } }
.usa-band h2 { margin-bottom: 10px; font-size: clamp(1.6rem, 2.6vw, 2.3rem); }
.usa-band__copy p:not(.eyebrow) { max-width: 58ch; color: var(--text-2); }
.usa-band__copy .eyebrow { margin-bottom: 12px; }
.usa-band__ids { display: grid; gap: 1px; margin: 0; border-radius: 12px; overflow: hidden; background: var(--line-2); border: 1px solid var(--line-2); }
.usa-band__ids div { display: flex; justify-content: space-between; gap: 24px; padding: 10px 16px; background: var(--panel); }
.usa-band__ids dt { color: var(--muted); font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.usa-band__ids dd { margin: 0; font-family: var(--font-mono); font-size: .9rem; font-weight: 700; }
@media (max-width: 980px) { .usa-band__inner { grid-template-columns: 140px 1fr; } .usa-band__ids { grid-column: 1 / -1; } }
@media (max-width: 560px) { .usa-band__inner { grid-template-columns: 1fr; } .usa-band__flag { width: 160px; } }

.site-footer__usa { display: flex; align-items: center; gap: 12px; margin-top: 48px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 12px; font-size: .82rem; }
.site-footer__usa strong { color: var(--text); }
.usa-chip { display: flex; align-items: center; gap: 14px; margin-top: 32px; padding: 14px 16px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--panel); }
.usa-chip .us-flag--mini { width: 36px; }
.usa-chip strong { display: block; color: var(--text); font-size: .95rem; }
.usa-chip span { color: var(--muted); font-family: var(--font-mono); font-size: .72rem; }
.hero__proof .hero__proof-usa .us-flag--mini { width: 20px; }
@media (prefers-reduced-motion: reduce) { .usa-band__flag::after { animation: none; } }