/* ===== 01 RESET ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dt,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,select,textarea{font:inherit}
a{color:var(--navy-600);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* ===== 02 TOKENS ===== */
:root{
  --navy-900:#0A1B3D;
  --navy-800:#14306B;
  --navy-600:#2C4F9E;
  --gold:#E8B44A;
  --gold-pale:#F6DCA0;
  --wine:#8E2A32;
  --paper:#FBF7EF;
  --mist:#EEF2F9;
  --ink:#1A1D24;
  --grad-sky:linear-gradient(160deg,#0A1B3D 0%,#14306B 42%,#2C4F9E 100%);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"SFMono-Regular","Roboto Mono",Consolas,"Liberation Mono",monospace;
  --radius-sm:14px;
  --radius-md:20px;
  --radius-lg:24px;
  --radius-xl:28px;
  --radius-pill:999px;
  --wrap:1280px;
  --gutter:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===== 03 BASE TYPOGRAPHY ===== */
body{
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(10,27,61,.04) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--gold);color:var(--navy-900)}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;color:var(--navy-900);line-height:1.15;letter-spacing:.01em}
h1{font-size:clamp(2.25rem,5.2vw,4.75rem);line-height:1.05;letter-spacing:-.01em}
h2{font-size:clamp(1.75rem,3vw,2.5rem)}
h3{font-size:clamp(1.25rem,1.8vw,1.625rem);line-height:1.3}
p{max-width:70ch}
strong{font-weight:700}
.lede{font-size:19px;line-height:1.8;color:rgba(26,29,36,.78);max-width:62ch}
.small{font-size:14px;line-height:1.7}
.muted{color:rgba(26,29,36,.62)}
.text-link{color:var(--navy-800);font-weight:600;text-decoration:none;border-bottom:1px solid var(--gold);transition:color .2s var(--ease),border-color .2s var(--ease)}
.text-link:hover{color:var(--navy-600);border-color:var(--navy-600)}

/* ===== 04 LAYOUT ===== */
.shell{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.shell--wide{max-width:1560px}
.section{padding-block:72px}
.section--tight{padding-block:40px}
.section--navy{background:var(--grad-sky);color:var(--paper)}
.section--navy h2,.section--navy h3{color:var(--paper)}
.section--navy p,.section--navy .lede{color:rgba(251,247,239,.82)}
.section--mist{background:var(--mist)}
.section__head{display:grid;gap:12px;margin-bottom:32px;max-width:72ch}
.split{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.split--4-8{grid-template-columns:4fr 8fr}
.split--3-9{grid-template-columns:3fr 9fr}
.split__sticky{position:sticky;top:120px;align-self:start}
.hero-split{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch}
.hero-panel{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:clamp(24px,4vw,48px);border:1px solid rgba(10,27,61,.12)}
.hero-panel--navy{background:var(--grad-sky);color:var(--paper);border-color:rgba(232,180,74,.34)}
.hero-panel--navy h1,.hero-panel--navy h2,.hero-panel--navy h3{color:var(--paper)}
.hero-panel--navy p{color:rgba(251,247,239,.82)}
.hero-panel--navy::after{content:"";position:absolute;right:-30px;bottom:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(232,180,74,.22),rgba(232,180,74,0) 66%);pointer-events:none}
.hero-panel--paper{background:var(--paper)}
.hero-panel--gold{background:linear-gradient(150deg,var(--gold-pale),#fffdf7);border-color:rgba(232,180,74,.5)}
.band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;min-height:120px;padding:26px 32px;border-radius:var(--radius-lg);background:var(--mist)}
.band--gradient{background:var(--grad-sky);color:var(--paper);border:1px solid rgba(232,180,74,.36)}
.band--gradient h2,.band--gradient h3{color:var(--paper)}
.band--gradient p{color:rgba(251,247,239,.82)}
.band--gold{background:linear-gradient(120deg,var(--gold-pale),#fffdf7);border:1px solid rgba(232,180,74,.5)}
.stack{display:grid;gap:24px}
.stack--sm{display:grid;gap:12px}

/* ===== 05 HEADER ===== */
.site-header{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid rgba(10,27,61,.08)}
.skip-link{position:fixed;top:8px;left:8px;z-index:200;transform:translateY(-180%);display:inline-flex;align-items:center;min-height:42px;padding:0 18px;border-radius:var(--radius-pill);background:var(--gold);color:var(--navy-900);font-size:14px;font-weight:700;text-decoration:none;transition:transform .2s var(--ease)}
.skip-link:focus{transform:translateY(0)}
.nav-rail{width:100%}
.nav-rail__inner{display:flex;align-items:center}
.nav-rail--brand{height:48px;overflow:hidden;background:var(--navy-900);color:var(--paper);transition:height .22s var(--ease)}
.nav-rail--brand .nav-rail__inner{height:48px;justify-content:space-between;gap:24px;transition:opacity .18s var(--ease)}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0;color:inherit;text-decoration:none}
.brand__text{display:grid;gap:1px;min-width:0}
.brand__name{display:block;font-family:var(--font-serif);font-size:17px;font-weight:700;line-height:1.15;letter-spacing:.06em;white-space:nowrap}
.brand__meta{display:block;font-size:10px;line-height:1.2;letter-spacing:.14em;color:var(--gold-pale);white-space:nowrap}
.crown-mark{position:relative;display:inline-block;flex:0 0 auto;width:34px;height:30px;background:linear-gradient(160deg,var(--gold-pale),var(--gold));clip-path:polygon(0 100%,0 30%,24% 54%,50% 0,76% 54%,100% 30%,100% 100%)}
.crown-mark::after{content:"";position:absolute;left:9%;right:9%;bottom:14%;height:2px;border-radius:2px;background:var(--navy-900);opacity:.55}
.brand-rail__actions{display:flex;align-items:center;gap:10px}
.pill{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:32px;padding:0 14px;border:1px solid transparent;border-radius:var(--radius-pill);font-size:13px;font-weight:600;line-height:1;text-decoration:none;white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.pill--gold{background:var(--gold);border-color:var(--gold);color:var(--navy-900)}
.pill--gold:hover{background:var(--gold-pale);border-color:var(--gold-pale)}
.pill--outline{background:transparent;border-color:rgba(246,220,160,.55);color:var(--gold-pale)}
.pill--outline:hover{background:var(--gold);border-color:var(--gold);color:var(--navy-900)}
.pill--sm{min-height:28px;padding:0 12px;font-size:12px}
.nav-toggle{display:none;align-items:center;gap:9px;padding:7px 12px;border:1px solid rgba(246,220,160,.42);border-radius:var(--radius-pill);color:var(--paper);font-size:12px;letter-spacing:.1em;transition:border-color .2s var(--ease),color .2s var(--ease)}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold-pale)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:10px}
.nav-toggle__bars::before,.nav-toggle__bars::after{content:"";position:absolute;left:0;width:16px;height:1.5px;border-radius:2px;background:currentColor;transition:transform .22s var(--ease),top .22s var(--ease)}
.nav-toggle__bars::before{top:1px}
.nav-toggle__bars::after{top:7px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:4px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:4px;transform:rotate(-45deg)}
.nav-toggle__label{font-weight:600}
.nav-rail--main{height:64px;background:rgba(251,247,239,.97);border-top:1px solid rgba(232,180,74,.22);color:var(--navy-900)}
.nav-rail--main .nav-rail__inner{height:64px;justify-content:space-between;gap:20px}
.nav-list{display:flex;align-items:stretch;gap:2px;height:100%}
.nav-list li{display:flex}
.nav-link{position:relative;display:inline-flex;align-items:center;height:100%;padding:0 15px;font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--navy-800);text-decoration:none;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:15px;right:15px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--gold);transform:scaleX(0);transform-origin:center;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--navy-600)}
.nav-link:hover::after,.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--navy-900);font-weight:700}
.nav-rail__quick{display:none;align-items:center;gap:8px;margin-left:auto}
.nav-rail--main .pill--outline{color:var(--navy-800);border-color:rgba(10,27,61,.24)}
.nav-rail--main .pill--outline:hover{background:var(--gold);border-color:var(--gold);color:var(--navy-900)}
.nav-rail__coords{display:flex;gap:14px;margin-left:auto;padding-left:18px;border-left:1px solid rgba(10,27,61,.14);color:rgba(10,27,61,.5)}
.coord{font-family:var(--font-mono);font-size:11px;line-height:1.4;letter-spacing:.14em;text-transform:uppercase}
.site-header.is-scrolled .nav-rail--brand{height:0}
.site-header.is-scrolled .nav-rail--brand .nav-rail__inner{opacity:0;pointer-events:none}
.site-header.is-scrolled .nav-rail__quick{display:flex}
.site-header.is-scrolled .nav-rail__coords{display:none}
.scroll-meter{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden;background:rgba(232,180,74,.16)}
.scroll-meter__bar{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--gold-pale),var(--gold));transition:width .1s linear}

/* ===== 06 FOOTER ===== */
.site-footer{position:relative;overflow:hidden;padding:64px 0 26px;background:var(--navy-900);border-top:1px solid rgba(232,180,74,.42);color:var(--paper)}
.site-footer::before{content:"";position:absolute;top:-220px;right:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(232,180,74,.2),rgba(232,180,74,0) 68%);pointer-events:none}
.site-footer::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(246,220,160,.2) 1px,transparent 1px);background-size:24px 24px;opacity:.42;pointer-events:none}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.5fr .9fr .9fr 1fr 1.9fr;gap:40px}
.footer-brand{max-width:300px}
.site-footer .brand__name{color:var(--paper)}
.site-footer .brand__meta{color:var(--gold-pale)}
.footer-brand__note{margin-top:14px;font-size:13px;line-height:1.8;color:rgba(251,247,239,.66)}
.footer-brand__stamp{display:inline-flex;margin-top:18px;padding:5px 10px;border:1px solid rgba(232,180,74,.35);border-radius:var(--radius-pill);font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--gold-pale)}
.footer-col__title{margin:0 0 14px;font-family:var(--font-sans);font-size:12px;font-weight:600;line-height:1.4;letter-spacing:.16em;color:var(--gold)}
.footer-list{display:grid;gap:2px}
.footer-link{display:inline-block;padding:3px 0;color:rgba(251,247,239,.76);font-size:14px;line-height:1.7;text-decoration:none;border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.footer-link:hover{color:var(--gold-pale);border-color:var(--gold)}
.footer-contact{min-width:0}
.contact-list{display:grid;gap:12px}
.contact-list__row{display:grid;grid-template-columns:48px minmax(0,1fr);gap:8px;align-items:start}
.contact-list dt{padding-top:1px;font-family:var(--font-mono);font-size:10px;line-height:1.8;letter-spacing:.12em;color:var(--gold)}
.contact-list dd{font-size:13px;line-height:1.65;color:rgba(251,247,239,.82);overflow-wrap:anywhere}
.copy-btn{display:inline-flex;align-items:center;margin-left:7px;padding:1px 9px;border:1px solid rgba(232,180,74,.45);border-radius:var(--radius-pill);background:transparent;color:var(--gold-pale);font-size:10px;line-height:1.7;letter-spacing:.08em;vertical-align:middle;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.copy-btn:hover,.copy-btn[data-copied]{background:var(--gold);border-color:var(--gold);color:var(--navy-900)}
.footer-contact__note{margin-top:14px;font-size:11px;line-height:1.7;color:rgba(251,247,239,.54)}
.footer-base{position:relative;z-index:1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(232,180,74,.2);font-family:var(--font-mono);font-size:12px;line-height:1.6;letter-spacing:.06em;color:rgba(251,247,239,.6)}
.footer-base__copy,.footer-base__icp{margin:0}

/* ===== 07 BUTTONS / TAGS / SMALL LABELS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-pill);font-family:var(--font-sans);font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.02em;text-decoration:none;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.btn--gold{background:var(--gold);border-color:var(--gold);color:var(--navy-900)}
.btn--gold:hover{background:var(--gold-pale);border-color:var(--gold-pale)}
.btn--navy{background:var(--navy-800);border-color:var(--navy-800);color:var(--paper)}
.btn--navy:hover{background:var(--navy-900);border-color:var(--navy-900)}
.btn--ghost{background:transparent;border-color:rgba(10,27,61,.22);color:var(--navy-800)}
.btn--ghost:hover{border-color:var(--gold);background:rgba(232,180,74,.1)}
.btn--ghost-light{background:transparent;border-color:rgba(232,180,74,.45);color:var(--gold-pale)}
.btn--ghost-light:hover{background:var(--gold);border-color:var(--gold);color:var(--navy-900)}
.btn--sm{min-height:36px;padding:0 15px;font-size:13px}
.btn__arrow{font-family:var(--font-mono);font-size:12px;transform:translateX(0);transition:transform .2s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(3px)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-pill);background:var(--mist);color:var(--navy-800);font-family:var(--font-mono);font-size:11px;line-height:1.4;letter-spacing:.12em;text-transform:uppercase}
.tag--gold{background:var(--gold);color:var(--navy-900)}
.tag--wine{background:var(--wine);color:var(--paper)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;line-height:1.4;letter-spacing:.18em;text-transform:uppercase;color:var(--navy-600)}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--gold)}
.eyebrow--light{color:var(--gold-pale)}
.gold-rule{height:1px;margin:40px 0;border:0;background:linear-gradient(90deg,var(--gold),rgba(232,180,74,0))}
.metric{font-family:var(--font-mono);font-size:12px;line-height:1.2;letter-spacing:.14em;color:var(--navy-600)}
.metric--xl{font-size:clamp(64px,8vw,96px);font-weight:700;line-height:.9;letter-spacing:-.03em;color:var(--gold);-webkit-text-stroke:1px rgba(10,27,61,.32)}

/* ===== 08 CARDS / CONTENT BLOCKS ===== */
.card{position:relative;padding:28px;border:1px solid rgba(10,27,61,.12);border-radius:var(--radius-lg);background:var(--paper);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:rgba(232,180,74,.75);box-shadow:0 16px 32px rgba(10,27,61,.08)}
.card--navy{background:var(--grad-sky);border-color:rgba(232,180,74,.34);color:var(--paper)}
.card--navy .card__title,.card--navy .card__kicker{color:var(--paper)}
.card--navy .card__text{color:rgba(251,247,239,.78)}
.card--mist{background:var(--mist)}
.card--offset{margin-top:24px}
.card__index{display:block;margin-bottom:18px;font-family:var(--font-mono);font-size:clamp(48px,6vw,88px);font-weight:700;line-height:.9;letter-spacing:-.03em;color:var(--gold)}
.card__kicker{margin-bottom:10px;font-family:var(--font-mono);font-size:11px;line-height:1.4;letter-spacing:.14em;text-transform:uppercase;color:var(--navy-600)}
.card__title{margin-bottom:8px;font-family:var(--font-serif);font-size:22px;line-height:1.25;color:var(--navy-900)}
.card__text{font-size:14px;line-height:1.7;color:rgba(26,29,36,.72)}
.stack .card,.stack--sm .card{max-width:100%}

/* ===== 09 FIGURES / MEDIA PLACEHOLDERS ===== */
.figure{display:grid;gap:10px;margin:0}
.figure__frame{position:relative;overflow:hidden;aspect-ratio:16/10;border:1px solid rgba(10,27,61,.1);border-radius:var(--radius-lg);background:var(--grad-sky)}
.figure__frame img{width:100%;height:100%;object-fit:cover}
.figure--wide .figure__frame{aspect-ratio:21/9}
.figure--tall .figure__frame{aspect-ratio:4/5}
.figure__frame--placeholder::after{content:"";position:absolute;inset:18px;border:1px dashed rgba(246,220,160,.48);border-radius:16px;pointer-events:none}
.figure__caption{font-size:12px;line-height:1.6;letter-spacing:.04em;color:rgba(10,27,61,.6)}

/* ===== 10 INDEX / LEGEND / TABLE / DISCLOSURE ===== */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;line-height:1.6;letter-spacing:.08em;color:rgba(10,27,61,.55)}
.breadcrumbs a{color:inherit;text-decoration:none;border-bottom:1px solid transparent}
.breadcrumbs a:hover{color:var(--navy-800);border-color:var(--gold)}
.breadcrumbs__sep{color:var(--gold)}
.breadcrumbs [aria-current="page"]{color:var(--navy-800);font-weight:600}
.index-rail{position:sticky;top:120px;align-self:start;padding-left:20px;border-left:1px solid rgba(10,27,61,.14)}
.index-rail__title{margin:0 0 12px;font-family:var(--font-mono);font-size:11px;line-height:1.4;letter-spacing:.18em;text-transform:uppercase;color:var(--navy-600)}
.index-rail__list{display:grid;gap:2px}
.index-rail__link{display:flex;align-items:center;gap:9px;padding:8px 0;color:rgba(10,27,61,.66);font-size:14px;line-height:1.5;text-decoration:none;border-bottom:1px solid transparent;transition:color .2s var(--ease)}
.index-rail__link:hover{color:var(--navy-900)}
.index-rail__link[aria-current="true"]{color:var(--navy-900);font-weight:700}
.index-rail__link[aria-current="true"]::before{content:"";width:6px;height:6px;flex:0 0 auto;border-radius:50%;background:var(--gold)}
.legend{display:flex;flex-wrap:wrap;gap:10px 20px;font-family:var(--font-mono);font-size:11px;line-height:1.6;letter-spacing:.1em;color:rgba(10,27,61,.7)}
.legend__item{display:inline-flex;align-items:center;gap:7px}
.legend__dot{width:8px;height:8px;border-radius:50%;background:var(--navy-600);box-shadow:0 0 0 3px rgba(44,79,158,.14)}
.legend__dot--gold{background:var(--gold);box-shadow:0 0 0 3px rgba(232,180,74,.2)}
.legend__dot--wine{background:var(--wine);box-shadow:0 0 0 3px rgba(142,42,50,.16)}
.data-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.6;background:var(--paper)}
.data-table th,.data-table td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(10,27,61,.1)}
.data-table th{background:var(--mist);color:var(--navy-600);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.data-table tr:last-child td{border-bottom:0}
.disclosure{overflow:hidden;border:1px solid rgba(10,27,61,.12);border-radius:var(--radius-md);background:var(--paper)}
.disclosure + .disclosure{margin-top:12px}
.disclosure__trigger{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 22px;color:var(--navy-900);font-family:var(--font-sans);font-size:17px;font-weight:600;line-height:1.5;text-align:left;transition:background .2s var(--ease)}
.disclosure__trigger:hover{background:var(--mist)}
.disclosure__sign{flex:0 0 auto;font-family:var(--font-mono);font-size:20px;line-height:1;color:var(--gold);transition:transform .22s var(--ease)}
.disclosure__trigger[aria-expanded="true"] .disclosure__sign{transform:rotate(45deg)}
.disclosure__panel{padding:0 22px 22px;font-size:15px;line-height:1.8;color:rgba(26,29,36,.8)}
.disclosure__panel[hidden]{display:none}

/* ===== 11 CHIPS / CALLOUT ===== */
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 14px;border:1px solid rgba(10,27,61,.16);border-radius:var(--radius-pill);background:var(--paper);color:var(--navy-800);font-size:13px;font-weight:600;line-height:1.2;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.chip:hover{border-color:var(--gold)}
.chip[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:var(--navy-900)}
.callout{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:flex-start;padding:14px 18px;border:1px solid rgba(142,42,50,.28);border-radius:var(--radius-sm);background:rgba(142,42,50,.08);color:var(--wine);font-size:13px;line-height:1.7}
.callout--gold{border-color:rgba(232,180,74,.5);background:rgba(232,180,74,.12);color:var(--navy-800)}

/* ===== 12 RESPONSIVE ===== */
@media (max-width:1023px){
  .nav-rail--brand{height:auto;min-height:60px}
  .nav-rail--brand .nav-rail__inner{height:auto;min-height:60px;padding-block:10px;gap:12px}
  .brand-rail__actions{display:none}
  .nav-toggle{display:inline-flex}
  .nav-rail--main{position:absolute;top:100%;left:0;right:0;z-index:1;display:none;height:auto;max-height:calc(100vh - 60px);overflow:auto;border-top:1px solid rgba(232,180,74,.3);background:var(--paper);box-shadow:0 18px 40px rgba(10,27,61,.18)}
  .nav-rail--main[data-nav][data-open]{display:block}
  .nav-rail--main .nav-rail__inner{display:block;height:auto;padding-block:8px 22px}
  .nav-list{display:block;height:auto}
  .nav-link{height:auto;padding:14px 4px;border-bottom:1px solid rgba(10,27,61,.1);font-size:16px}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{padding-left:10px;border-radius:8px;background:linear-gradient(90deg,rgba(232,180,74,.2),transparent)}
  .nav-rail__quick{display:none;justify-content:flex-start;margin-left:0;padding-top:16px}
  .nav-rail--main[data-nav][data-open] .nav-rail__quick{display:flex}
  .nav-rail__coords{display:none}
  .site-header.is-scrolled .nav-rail--brand{height:auto;min-height:60px}
  .site-header.is-scrolled .nav-rail--brand .nav-rail__inner{opacity:1;pointer-events:auto}
  .site-header.is-scrolled .nav-rail__coords{display:none}
  .split,.split--4-8,.split--3-9,.hero-split{grid-template-columns:1fr}
  .split{gap:28px}
  .split__sticky,.index-rail{position:static;top:auto}
  .index-rail{padding:18px 0 0;border-left:0;border-top:1px solid rgba(10,27,61,.14)}
  .footer-grid{grid-template-columns:repeat(3,1fr);gap:32px}
  .footer-brand{grid-column:span 3;max-width:420px}
  .footer-contact{grid-column:span 3}
}
@media (max-width:767px){
  :root{--gutter:18px}
  body{font-size:16px}
  h1{font-size:36px}
  .section{padding-block:44px}
  .section--tight{padding-block:30px}
  .hero-panel,.card{padding:22px}
  .band{padding:22px;min-height:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand,.footer-contact{grid-column:auto}
  .footer-base{flex-direction:column;gap:6px}
  .data-table th,.data-table td{padding:11px 12px}
  .disclosure__trigger{padding:17px 18px;font-size:16px}
  .disclosure__panel{padding:0 18px 18px}
}
@media (max-width:479px){
  :root{--gutter:16px}
  .brand__name{font-size:16px}
  .nav-rail--brand .brand__meta{display:none}
  .nav-toggle{padding:7px 10px}
  .nav-toggle__label{display:none}
  .btn{width:100%}
  .hero-panel{padding:20px}
  .footer-base{font-size:11px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .card:hover{transform:none}
  .btn:hover .btn__arrow{transform:none}
  .scroll-meter__bar{transition:none}
}