:root {
  
  --brand-navy: #213867;
  --brand-sky: #5da0d8;
  --brand-gradient: linear-gradient(90deg, var(--brand-sky), var(--brand-navy));
  --white: #ffffff;
  --print-ink: #000000;   

  
  --paper: #f5f9fd;
  --tint: #e8f2fa;
  --line: #cbe1f3;   
  
  --ink: #0a111f;        
  --ink-2: #3c5079;      
  --muted: #596a8d;      
  
  --navy-950: #0f192e;
  --navy-900: var(--brand-navy);
  --navy-800: #2c4b7b;
  --navy-line: rgb(93 160 216 / .3); 
  --on-navy: var(--white);  
  --on-navy-2: var(--sky-200); 
  
  --sky-500: var(--brand-sky); 
  --sky-300: #9cc7ec;          
  --sky-200: #b6d4ed;
  
  --blue-600: #3f6ca0;   
  --blue-700: #2e4f80;   
  
  --glow: rgb(93 160 216 / .18);
  --dots: rgb(150 193 230 / .18);
  --white-line: rgb(255 255 255 / .55);
  --white-wash: rgb(255 255 255 / .08);
  --tint-wash: rgb(232 242 250 / .72);
  --shadow-ink: rgb(10 17 31 / .06);
  --shadow-ink-2: rgb(10 17 31 / .28);
  --shadow-chip: rgb(10 17 31 / .4);
  
  --ph-bg: #fff6e0;
  --ph-bg-2: #fff0cc;
  --ph-line: #d9a441;
  --ph-ink: #8a4b00;

  
  --font-sans: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Segoe UI", system-ui, sans-serif;

  
  --fs-0: clamp(0.9375rem, 0.92rem + 0.1vw, 1rem);
  --fs-1: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --fs-2: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --fs-3: clamp(1.5rem, 1.2rem + 1.2vw, 2.125rem);
  --fs-4: clamp(2rem, 1.3rem + 2.8vw, 3.5rem);
  --fs-5: clamp(2.25rem, 1.2rem + 4.4vw, 4.5rem);

  
  --s-1: 0.25rem; --s-2: 0.5rem; --s-3: 0.75rem; --s-4: 1rem; --s-5: 1.5rem;
  --s-6: 2rem; --s-7: 3rem; --s-8: 4.5rem; --s-9: 7rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --maxw: 72rem;
  --radius: 6px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 1px 2px var(--shadow-ink), 0 8px 24px -8px rgb(10 17 31 / .18);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 var(--fs-0)/1.7 var(--font-sans); word-break: keep-all; overflow-wrap: break-word;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
img { height: auto; }
h1, h2, h3 { line-height: 1.25; margin: 0; text-wrap: balance; letter-spacing: -0.02em; }
p { margin: 0 0 var(--s-4); text-wrap: pretty; }
a { color: var(--blue-600); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { color: var(--blue-700); }
::selection { background: var(--sky-500); color: var(--navy-950); }
:focus-visible { outline: 3px solid var(--blue-600); outline-offset: 3px; border-radius: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: var(--s-4); top: -4rem; background: var(--navy-900); color: var(--white); padding: var(--s-3) var(--s-4); z-index: 100; border-radius: var(--radius); }
.skip:focus { top: var(--s-3); }
.skip:focus-visible { outline-color: var(--white); }
main:focus { outline: none; }
.wrap { width: 100%; max-width: calc(var(--maxw) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }

.header { position: sticky; top: 0; z-index: 50; background: var(--navy-900); color: var(--on-navy); border-bottom: 3px solid transparent; border-image: var(--brand-gradient) 1; }
.header__bar { display: flex; align-items: center; justify-content: space-between; min-height: 4rem; gap: var(--s-4); }
.logo { display: inline-flex; align-items: center; color: var(--white); text-decoration: none; }
.logo__img { display: block; height: 38px; width: auto; }
.footer__logo { display: block; height: 34px; width: auto; margin-bottom: var(--s-3); }
.print-brand { display: none; }
.menu-btn { display: none; align-items: center; gap: var(--s-2); min-height: 44px; padding: 0 var(--s-3); background: transparent; color: var(--white); border: 1px solid var(--navy-line); border-radius: var(--radius); font: inherit; cursor: pointer; }
.menu-btn__bars { width: 18px; height: 2px; background: currentColor; box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor; }
.nav { display: flex; align-items: center; gap: var(--s-5); }
.nav__list { display: flex; gap: var(--s-2); list-style: none; margin: 0; padding: 0; }
.nav__group { position: relative; }
.nav__top { display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--s-4); color: var(--white); text-decoration: none; font-weight: 600; border-radius: var(--radius); }
.nav__top:hover, .nav__group.is-current .nav__top { color: var(--sky-300); }
.nav__sub { list-style: none; margin: 0; padding: var(--s-2); position: absolute; top: 100%; left: 0; min-width: 13rem; background: var(--navy-900); border: 1px solid var(--navy-line); border-radius: var(--radius); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-4px); transition: opacity .18s var(--ease-out), transform .18s var(--ease-out), visibility .18s; }
.nav__group:hover .nav__sub, .nav__group:focus-within .nav__sub { opacity: 1; visibility: visible; transform: none; }
.nav__sub a { display: block; padding: var(--s-2) var(--s-3); color: var(--on-navy-2); text-decoration: none; border-radius: 4px; min-height: 40px; line-height: 1.7; }
.nav__sub a:hover, .nav__sub a[aria-current] { background: var(--navy-800); color: var(--white); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 var(--s-5); border-radius: var(--radius); font-weight: 700; text-decoration: none; border: 1.5px solid transparent; transition: background-color .15s, color .15s, border-color .15s; cursor: pointer; font-family: inherit; font-size: var(--fs-0); }
.btn--sky { background: var(--sky-500); color: var(--navy-950); }
.btn--sky:hover { background: var(--sky-300); color: var(--navy-950); }
.btn--solid { background: var(--blue-600); color: var(--white); }
.btn--solid:hover { background: var(--blue-700); color: var(--white); }
.btn--ghost { color: var(--white); border-color: var(--on-navy-2); }
.btn--ghost:hover { border-color: var(--white); color: var(--white); }
.btn--ghost-light { color: var(--white); border-color: var(--white-line); }
.btn--ghost-light:hover { border-color: var(--white); background: var(--white-wash); color: var(--white); }
.btn--ghost-dark { color: var(--blue-600); border-color: var(--blue-600); }
.btn--ghost-dark:hover { background: var(--tint); }
.link-arrow { display: inline-flex; align-items: center; min-height: 44px; margin-right: var(--s-5); font-weight: 700; }
.link-arrow::after { content: " →"; }

.hero { position: relative; background: var(--navy-900); color: var(--on-navy); overflow: hidden; isolation: isolate; border-bottom: 3px solid transparent; border-image: var(--brand-gradient) 1; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background:
  radial-gradient(60rem 36rem at 85% 30%, var(--glow), transparent 70%),
  radial-gradient(var(--dots) 1px, transparent 1.4px) 0 0/28px 28px; mask-image: linear-gradient(var(--white) 60%, transparent); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: center; gap: var(--s-7); padding-block: clamp(3rem, 9vw, 7rem); }
.hero h1 { font-size: var(--fs-5); font-weight: 800; line-height: 1.12; letter-spacing: -0.035em; margin-bottom: var(--s-5); }
.hero__sub { font-size: var(--fs-2); color: var(--on-navy-2); max-width: 30ch; margin-bottom: var(--s-3); }
.hero__tag { color: var(--sky-300); font-weight: 600; letter-spacing: 0.02em; margin-bottom: var(--s-6); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin: 0; }
.net { width: 100%; height: auto; }
.net__branch { stroke: var(--sky-500); stroke-opacity: .7; stroke-width: 2; }
.net__trunk { stroke: var(--sky-500); stroke-opacity: .4; stroke-width: 10; }
.net__flow { stroke: var(--white); stroke-width: 3; stroke-dasharray: 2 18; }
.net__nodes circle { fill: var(--navy-900); stroke: var(--sky-300); stroke-width: 2.5; }
.net__nodes .is-key { fill: var(--sky-500); stroke: var(--white); stroke-width: 3; }
@media (prefers-reduced-motion: no-preference) {
  .net__flow { animation: flow 1.6s linear 2; }
  .hero__copy > * { animation: rise .8s var(--ease-out) both; }
  .hero__copy > :nth-child(2) { animation-delay: .08s; } .hero__copy > :nth-child(3) { animation-delay: .14s; } .hero__copy > :nth-child(4) { animation-delay: .2s; }
  .net__nodes .is-key { animation: pulse 1.4s ease-in-out 2; transform-box: fill-box; transform-origin: center; }
}
@keyframes flow { to { stroke-dashoffset: -80; } }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes pulse { 50% { transform: scale(1.18); } }

.section { padding-block: var(--s-8); }
.section--tint { background: var(--tint); }
.section h2 { font-size: var(--fs-3); font-weight: 800; margin-bottom: var(--s-5); }
.h-md { font-size: var(--fs-2) !important; font-weight: 800; margin-bottom: var(--s-3) !important; }
.h-sm { font-size: var(--fs-1) !important; }
.lead { font-size: var(--fs-1); color: var(--ink-2); }
.note { color: var(--muted); font-size: 0.9375rem; margin-top: var(--s-5); max-width: 62ch; }
.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: var(--s-7); align-items: start; }
.prose { max-width: 40rem; font-size: var(--fs-1); }
.prose--wide { max-width: 56rem; }
.prose h2 { font-size: var(--fs-2); }
.prose h3 { font-size: var(--fs-1); font-weight: 800; margin: var(--s-6) 0 var(--s-3); }
.sign { font-weight: 700; margin-top: var(--s-5); }

.pagehead { background: var(--navy-900); color: var(--white); padding-block: var(--s-7) var(--s-6); border-bottom: 3px solid transparent; border-image: var(--brand-gradient) 1; }
.pagehead h1 { font-size: var(--fs-4); font-weight: 800; letter-spacing: -0.03em; }
.pagehead__lead { color: var(--on-navy-2); font-size: var(--fs-1); margin: var(--s-3) 0 0; max-width: 46rem; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: var(--s-2); list-style: none; padding: 0; margin: 0 0 var(--s-3); font-size: 0.875rem; color: var(--on-navy-2); }
.crumbs li + li::before { content: "/"; margin-right: var(--s-2); color: var(--navy-line); }
.crumbs a { color: var(--on-navy-2); }

.sol { background: var(--paper); padding-block: var(--s-8); }
.sol__list { list-style: none; margin: var(--s-6) 0 0; padding: 0; border-top: 1px solid var(--ink); }
.sol__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) auto; gap: var(--s-6); align-items: start; padding-block: var(--s-6); border-bottom: 1px solid var(--line); }
.sol__name h3, .sol__name .h-md { font-size: var(--fs-3) !important; font-weight: 800; margin-bottom: var(--s-2) !important; }
.sol__en { color: var(--muted); font-size: 0.875rem; margin: 0; }
.sol__desc { margin: 0; font-size: var(--fs-1); color: var(--ink-2); }
.sol__go { font-weight: 700; white-space: nowrap; align-self: center; padding: var(--s-3) 0; }
.sol__go::after { content: " →"; transition: margin-left .2s var(--ease-out); }
.sol__go:hover::after { margin-left: 4px; }
.sol h2 { font-size: var(--fs-3); font-weight: 800; }
.sol__list--page { margin-top: 0; }

.proof { background: var(--navy-900); color: var(--on-navy); padding-block: var(--s-8); }
.proof h2 { font-size: var(--fs-3); font-weight: 800; margin-bottom: var(--s-4); }
.proof a { color: var(--sky-300); }
.proof__grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr); gap: var(--s-8); align-items: start; }
.proof__lead p { color: var(--on-navy-2); }
.route { list-style: none; margin: 0; padding: 0 0 0 var(--s-6); position: relative; }
.route::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--sky-500), var(--navy-line)); }
.route li { position: relative; display: grid; grid-template-columns: 4.5rem 1fr; gap: var(--s-3); padding-block: var(--s-3); }
.route li::before { content: ""; position: absolute; left: calc(-1 * var(--s-6) + 1px); top: 1.1rem; width: 14px; height: 14px; border-radius: 50%; background: var(--navy-900); border: 3px solid var(--sky-500); }
.route__y { font-weight: 800; color: var(--sky-300); font-variant-numeric: tabular-nums; }
.route__t { color: var(--on-navy); }

.cta { background: var(--navy-900); color: var(--white); padding-block: var(--s-7); }
.cta__grid { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-5); }
.cta__grid > div { max-width: 30rem; }
.cta__actions { margin-left: auto; }
.cta h2 { font-size: var(--fs-3); font-weight: 800; margin-bottom: var(--s-2); }
.cta p { margin: 0; }
.cta__actions { display: flex; align-items: center; gap: var(--s-5); flex-wrap: wrap; }
.cta__tel { font-size: var(--fs-2); font-weight: 800; color: var(--white); text-decoration: none; }
@media (min-width: 60rem) {
  .cta { background: linear-gradient(90deg, var(--navy-900) 35%, var(--sky-500) 70%); }
  .cta .btn--sky { background: var(--navy-950); color: var(--white); }
  .cta .btn--sky:hover { background: var(--navy-800); color: var(--white); }
  .cta__tel { color: var(--navy-950); }
}

.fnlist { list-style: none; margin: var(--s-5) 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.fnlist li { padding: var(--s-4) var(--s-5) var(--s-4) 0; border-bottom: 1px solid var(--line); }
.fnlist h3 { font-size: var(--fs-1); font-weight: 800; margin-bottom: var(--s-1); }
.fnlist p { margin: 0; color: var(--ink-2); font-size: var(--fs-0); }
.defrows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.defrows li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: var(--s-6); padding-block: var(--s-6); border-bottom: 1px solid var(--line); }
.defrows p { margin: 0; font-size: var(--fs-1); color: var(--ink-2); }
.defrows h2 { margin: 0 !important; }
.systems { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-8); }
.systems > li > p { max-width: 46rem; font-size: var(--fs-1); }

.facts { margin: 0; }
.facts > div { display: grid; grid-template-columns: 8.5rem 1fr; gap: var(--s-3); padding-block: var(--s-3); border-bottom: 1px solid var(--line); }
.facts dt { color: var(--muted); font-weight: 600; }
.facts dd { margin: 0; }
.facts--lg { font-size: var(--fs-1); border-top: 1px solid var(--ink); }
.dl-box { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--s-6); }
.dl-box h2, .dl-box h3 { margin-bottom: var(--s-3); }
.maplinks { display: flex; flex-wrap: wrap; gap: var(--s-3); }

.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--blue-600); }
.timeline__y { position: relative; display: grid; grid-template-columns: 7rem 1fr; gap: var(--s-4); padding: var(--s-5) 0 var(--s-5) var(--s-6); border-bottom: 1px solid var(--line); }
.timeline__y::before { content: ""; position: absolute; left: -8px; top: 2.15rem; width: 14px; height: 14px; border-radius: 50%; background: var(--paper); border: 3px solid var(--blue-600); }
.timeline__y h2 { font-size: var(--fs-3); margin: 0; font-variant-numeric: tabular-nums; }
.timeline__y ul { list-style: none; margin: 0; padding: 0; font-size: var(--fs-1); }
.timeline__y li { padding-block: var(--s-1); }
.timeline__m { display: inline-block; min-width: 3rem; color: var(--muted); font-weight: 700; font-variant-numeric: tabular-nums; }

.certs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: var(--s-4); }
.cert { background: var(--ph-bg); border: 1.5px dashed var(--ph-line); border-radius: var(--radius); padding: var(--s-5); min-height: 8rem; display: flex; flex-direction: column; justify-content: space-between; gap: var(--s-4); }
.cert__name { font-weight: 800; color: var(--ink); }
.cert__note { font-size: 0.8125rem; color: var(--ph-ink); }

.spec { width: 100%; border-collapse: collapse; margin: var(--s-4) 0 var(--s-6); font-size: var(--fs-0); }
.spec th, .spec td { text-align: left; padding: var(--s-3) var(--s-4); border-bottom: 1px solid var(--line); vertical-align: top; }
.spec thead th { border-bottom: 2px solid var(--ink); font-weight: 800; }
.spec tbody th { width: 11rem; font-weight: 700; }

.empty { border: 1px dashed var(--line); background: var(--white); border-radius: var(--radius); padding: var(--s-8) var(--s-6); text-align: center; }
.empty__t { font-size: var(--fs-2); font-weight: 800; }
.downloads { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.downloads > li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-5); padding-block: var(--s-6); border-bottom: 1px solid var(--line); }
.downloads > li > div { flex: 1 1 28rem; max-width: 46rem; }
.downloads__sub { color: var(--muted); font-size: 0.875rem; margin-bottom: var(--s-1); }
.downloads p:last-child { margin-bottom: 0; }
.downloads__sha { margin-top: var(--s-2); font-size: 0.875rem; color: var(--muted); }
.downloads__sha code { display: block; font-size: 0.8125rem; overflow-wrap: anywhere; word-break: break-all; color: var(--ink-2); }
.downloads__tag { display: inline-block; margin-right: var(--s-2); padding: 0.05rem 0.5rem; font-size: 0.8125rem; font-weight: 700; color: var(--white); background: var(--blue-600); border-radius: 999px; vertical-align: middle; }
.downloads__note { margin-bottom: var(--s-6); padding: var(--s-4) var(--s-5); border: 1px solid var(--line); border-left: 4px solid var(--blue-600); background: var(--white); max-width: 46rem; }
.downloads__note p { margin: 0 0 var(--s-2); }
.downloads__note p:last-child { margin-bottom: 0; }
.downloads__note code { overflow-wrap: anywhere; }

.downloads__nav ul { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); list-style: none; margin: 0 0 var(--s-6); padding: 0; font-weight: 700; }
.downloads__nav li { min-width: 0; }
.downloads__nav a { display: inline-block; padding-block: 0.375rem; overflow-wrap: anywhere; }
.downloads__group, .downloads__sub-group { scroll-margin-top: 5rem; }
.downloads__group + .downloads__group { margin-top: var(--s-8); }
.downloads__group > h2 { margin-bottom: var(--s-3); }
.downloads__sub-group { margin-top: var(--s-6); }
.downloads__sub-group > h3 { font-size: var(--fs-2); font-weight: 800; margin-bottom: var(--s-3); padding-left: var(--s-3); border-left: 4px solid var(--blue-600); }
.linklist { display: flex; flex-wrap: wrap; gap: var(--s-5); list-style: none; padding: 0; font-size: var(--fs-2); font-weight: 700; }
.legal h2 { font-size: var(--fs-1); font-weight: 800; margin: var(--s-6) 0 var(--s-2); }
.legal p { font-size: var(--fs-0); }

.ph { margin: 0; aspect-ratio: var(--ph-ratio, 16 / 9); background: repeating-linear-gradient(45deg, var(--ph-bg), var(--ph-bg) 14px, var(--ph-bg-2) 14px, var(--ph-bg-2) 28px); border: 1.5px dashed var(--ph-line); border-radius: var(--radius); display: grid; place-items: center; padding: var(--s-5); text-align: center; color: var(--ph-ink); }
.ph figcaption { max-width: 38rem; font-size: 0.9375rem; line-height: 1.6; }
.ph strong { display: inline-block; background: var(--ph-ink); color: var(--white); border-radius: 3px; padding: 0 .5em; margin-right: .4em; }

.footer { background: var(--navy-950); color: var(--on-navy-2); padding-block: var(--s-7) var(--s-5); font-size: 0.9375rem; }
.footer a { color: var(--on-navy); }
.footer__grid { display: grid; grid-template-columns: 1fr 2fr auto; gap: var(--s-7); align-items: start; }
.footer__name { color: var(--white); font-weight: 800; font-size: var(--fs-1); margin: 0; }
.footer__tag { color: var(--sky-300); margin: var(--s-1) 0 0; }
.footer__info { font-style: normal; } .footer__info p { margin: 0 0 var(--s-1); }
.footer__links { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-2); }
.footer__copy { margin-top: var(--s-6); padding-top: var(--s-4); border-top: 1px solid var(--navy-line); color: var(--on-navy-2); }
.footer__copy p { margin: 0; }

@media (max-width: 62rem) {
  .hero__grid, .split, .proof__grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .hero__art { max-width: 28rem; }
  .sol__row { grid-template-columns: 1fr; gap: var(--s-3); }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .defrows li { grid-template-columns: 1fr; gap: var(--s-3); }
}
@media (max-width: 56rem) {
  .menu-btn { display: inline-flex; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--navy-900); padding: var(--s-4) var(--gutter) var(--s-6); border-bottom: 1px solid var(--navy-line); max-height: calc(100dvh - 4rem); overflow-y: auto; }
  .nav.is-open { display: flex; }
  .nav__list { flex-direction: column; gap: var(--s-4); }
  .nav__top { padding: 0; color: var(--sky-300); min-height: 36px; font-size: 0.875rem; letter-spacing: 0.04em; }
  .nav__sub { position: static; opacity: 1; visibility: visible; transform: none; border: 0; box-shadow: none; padding: 0; background: transparent; }
  .nav__sub a { color: var(--white); font-size: var(--fs-1); min-height: 44px; display: flex; align-items: center; padding-inline: 0; }
  .nav__cta { align-self: stretch; }
  .facts > div { grid-template-columns: 1fr; gap: 0; }
  .timeline__y { grid-template-columns: 1fr; gap: var(--s-2); }
  .route li { grid-template-columns: 3.5rem 1fr; }
  .spec thead { display: none; }
  .spec tr, .spec th, .spec td { display: block; width: auto !important; }
  .spec tr { padding-block: var(--s-2); border-bottom: 1px solid var(--line); }
  .spec th, .spec td { border: 0; padding: var(--s-1) 0; }
  .section { padding-block: var(--s-7); }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-property: color, background-color, border-color, outline-color, text-decoration-color !important; } }
@media print { .print-brand { display: block; margin-bottom: 1rem; } .print-brand__img { height: 44px; width: auto; } .header, .menu-btn, .skip, .hero__art { display: none; } body { background: var(--white); } .hero, .pagehead, .proof, .cta, .footer { background: var(--white); color: var(--print-ink); } .hero *, .pagehead *, .proof *, .cta *, .footer *, .crumbs *, section strong { color: var(--print-ink) !important; text-shadow: none !important; } .btn { color: var(--print-ink) !important; border: 1px solid var(--print-ink); } }

body { padding-bottom: 3.25rem; }
.trail .wrap { position: relative; padding-left: calc(var(--gutter) + 1.5rem); }
.trail .wrap::before { content: ""; position: absolute; top: 0; bottom: 0; left: calc(var(--gutter) - .25rem); width: 3px; background: var(--blue-600); opacity: .8; border-radius: 2px; }
.trail .stop > .wrap::after { content: ""; position: absolute; left: calc(var(--gutter) - .25rem + 1.5px - 11px); top: calc(var(--s-8) + .3rem); width: 22px; height: 22px; border-radius: 50%; background: var(--paper); border: 4px solid var(--blue-600); box-shadow: 0 0 0 5px var(--paper); }
.trail .stop--key > .wrap::after { background: var(--sky-500); border-color: var(--navy-900); }
.trail .sol { background: transparent; }
.trail .section--tint { background: var(--tint-wash); }
.trail .section--tint > .wrap::after { box-shadow: 0 0 0 5px var(--tint); }
.trail .proof { background: transparent; color: var(--ink); padding-block: var(--s-8); }
.trail .proof h2 { color: var(--ink); } .trail .proof a { color: var(--blue-600); } .trail .proof__lead p { color: var(--ink-2); }
.trail .route::before, .trail .route li::before { display: none; }
.trail .route { padding-left: 0; border-top: 1px solid var(--ink); }
.trail .route li { grid-template-columns: 4.5rem 1fr; border-bottom: 1px solid var(--line); padding-block: var(--s-4); font-size: var(--fs-1); }
.trail .route__y { color: var(--blue-600); } .trail .route__t { color: var(--ink); }
.trail .timeline { border-left: 0; }
.trail .timeline__y { position: relative; padding-left: 0; }
.trail .timeline__y::before { left: calc(-1.75rem + 1.5px - 9px); top: 2.1rem; width: 18px; height: 18px; border-width: 4px; background: var(--sky-500); border-color: var(--navy-900); box-shadow: 0 0 0 5px var(--paper); }
@media (max-width: 56rem) { .trail .stop > .wrap::after { top: calc(var(--s-7) + .3rem); } }

.noticebar { background: var(--sky-500); color: var(--navy-950); font-weight: 600; }
.noticebar p { margin: 0; padding: var(--s-2) 0; }
.noticebar a { color: var(--navy-950); font-weight: 800; }
.prose ul, .prose ol { padding-left: 1.25rem; margin: 0 0 var(--s-4); }
.prose li { margin-bottom: var(--s-2); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: var(--s-6) 0; }
.prose code { background: var(--tint); padding: 0 .35em; border-radius: 3px; font-size: .9em; }
.prose h2 { margin-bottom: var(--s-4); }
.prose--wide .fnlist, .prose--wide .spec, .prose--wide .facts, .prose--wide .sol__list { max-width: none; }
.figs { display: grid; gap: var(--s-4); }
.figs--wide { margin-top: var(--s-5); }
.fig { margin: 0; } .fig img { width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.certs .cert--img { background: var(--white); border: 1px solid var(--line); border-style: solid; }
.cert__thumb { display: block; aspect-ratio: 3 / 4; overflow: hidden; background: var(--tint); border-radius: 4px; }
.cert__thumb img { width: 100%; height: 100%; object-fit: contain; }
.downloads__meta { color: var(--muted); font-size: .875rem; margin-top: var(--s-2); }
.downloads__meta .nw { white-space: nowrap; }
.defrows { margin-bottom: var(--s-6); }
.trail .section--tint > .wrap::after { box-shadow: 0 0 0 5px var(--tint); }
.figs { grid-template-columns: minmax(0, 1fr); }
.split > *, .figs > * { min-width: 0; }
@media (max-width: 62rem) { .split { grid-template-columns: minmax(0, 1fr); } }

.devnote { background: var(--ph-bg); border: 1.5px dashed var(--ph-line); border-radius: var(--radius); padding: var(--s-3) var(--s-4); color: var(--ph-ink); max-width: none; }
.devnote strong { background: var(--ph-ink); color: var(--white); border-radius: 3px; padding: 0 .5em; margin-right: .5em; }

html { scroll-padding-top: 5rem; }
.header :focus-visible, .hero :focus-visible, .pagehead :focus-visible, .nav :focus-visible, .footer :focus-visible { outline-color: var(--sky-300); }
.cta :focus-visible { outline-color: var(--sky-300); }
@media (min-width: 60rem) { .cta :focus-visible { outline-color: var(--navy-950); } }
.logo { min-height: 44px; }
.cta__tel { display: inline-flex; align-items: center; min-height: 44px; }

.org { max-width: 60rem; margin-inline: auto; }
.org__top { display: flex; justify-content: center; margin: 0 0 var(--s-5); position: relative; }
.org__top span { background: var(--navy-900); color: var(--white); font-weight: 800; font-size: var(--fs-2); padding: var(--s-3) var(--s-7); border-radius: 999px; }
.org__top::after { content: ""; position: absolute; left: 50%; top: 100%; height: var(--s-5); width: 2px; background: var(--blue-600); }
.org__divs { list-style: none; margin: 0; padding: var(--s-5) 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); border-top: 2px solid var(--blue-600); }
.org__div { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.org__div h2 { margin: 0; padding: var(--s-4); background: var(--blue-600); color: var(--white); font-size: var(--fs-1); text-align: center; }
.org__role { margin: 0; padding: var(--s-3) var(--s-4) 0; color: var(--ink-2); }
.org__teams { list-style: none; margin: 0; padding: var(--s-4); display: grid; gap: var(--s-2); }
.org__teams li { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: var(--s-3); text-align: center; font-weight: 600; color: var(--ink); }
@media (max-width: 48rem) { .org__divs { grid-template-columns: 1fr; border-top: 0; padding-top: 0; } .org__top::after { display: none; } }
@media print { .org__top span, .org__div h2 { color: var(--print-ink); background: none; border: 1px solid var(--print-ink); } }

.cert__addrnote { margin: var(--s-5) 0 0; color: var(--ink-2); font-size: 0.9375rem; }

.downloads__sum { margin: var(--s-2) 0 0; padding-left: 1.2em; color: var(--ink-2); font-size: 0.9375rem; }
.downloads__sum li { margin: 0 0 var(--s-1); }

.sol__row { position: relative; }
.sol__row::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--blue-600); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease-out); }
.sol__row:hover::after, .sol__row:focus-within::after { transform: scaleX(1); }
.sol__row:hover .sol__go, .sol__row:focus-within .sol__go { color: var(--blue-700); }
.nav__top { background: linear-gradient(var(--sky-500), var(--sky-500)) left bottom / 0 2px no-repeat; transition: background-size .35s var(--ease-out), color .15s; }
.nav__top:hover, .nav__group:focus-within > .nav__top, .nav__group.is-current > .nav__top { background-size: calc(100% - 2rem) 2px; background-position: 1rem calc(100% - 6px); }
.cert--img:hover, .cert--img:focus-within { border-color: var(--blue-600); box-shadow: 0 2px 4px var(--shadow-ink), 0 10px 24px -10px var(--shadow-ink-2); }
.downloads > li { transition: background-color .2s; }
.downloads > li:hover { background: var(--tint-wash); }

.hero__map { position: relative; }
.nodetag { position: absolute; transform: translate(-50%, -135%); min-width: 44px; min-height: 44px; display: flex; align-items: flex-end; justify-content: center; background: none; border: 0; padding: 0; cursor: pointer; font: inherit; color: var(--white); }
.nodetag__chip { background: var(--navy-900); border: 1.5px solid var(--sky-500); border-radius: 999px; padding: 2px 12px; font-weight: 700; font-size: .875rem; white-space: nowrap; box-shadow: 0 4px 14px var(--shadow-chip); transition: background-color .2s, color .2s, border-color .2s; }
.nodetag:hover .nodetag__chip, .nodetag:focus-visible .nodetag__chip, .nodetag.is-on .nodetag__chip { background: var(--sky-500); color: var(--navy-950); }
.hero__fn { margin: var(--s-4) 0 0; min-height: 3.2em; color: var(--on-navy-2); font-size: .9375rem; }
.hero__fn strong { color: var(--white); }

.since { font-weight: 700; color: var(--ink); }
.count { display: inline-block; min-width: 2ch; font-variant-numeric: tabular-nums; color: var(--blue-600); font-size: 1.25em; }

@media (prefers-reduced-motion: no-preference) {
  
  .net__trunk { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.4s var(--ease-out) .15s forwards; }
  .net__branch path { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1s var(--ease-out) forwards; animation-delay: calc(.8s + var(--i, 0) * .15s); }
  .net__nodes circle { opacity: 0; transform: scale(.3); transform-box: fill-box; transform-origin: center; animation: node-in .5s var(--ease-out) forwards; animation-delay: var(--d, 0s); }
  .net__nodes .is-key { animation: node-in .5s var(--ease-out) forwards, pulse 1.2s ease-in-out 2.2s 2; animation-delay: var(--d, 0s), 2.2s; }
  .net__flow { opacity: 0; animation: flow-in .6s ease-out 1.5s forwards, flow 1.6s linear 1.5s 2; }
  .nodetag { opacity: 0; animation: tag-in .5s var(--ease-out) forwards; animation-delay: var(--d, 0s); }
  .hero__copy > * { animation: none; } 
  .hero__art { transform: translate3d(calc(var(--px, 0) * 10px), calc(var(--py, 0) * 7px), 0); transition: transform .25s ease-out; }
  .is-paused .net__flow, .is-paused .net__nodes .is-key { animation-play-state: paused; }
  .hero.is-off .net__flow, .hero.is-off .net__nodes .is-key { animation-play-state: paused; }

  
  .js-motion [data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .55s var(--ease-out), transform .55s var(--ease-out); transition-delay: calc(var(--i, 0) * 45ms); }
  .js-motion [data-reveal].is-in { opacity: 1; transform: none; }
  
  .js-motion .stop > .wrap::before { transform: scaleY(0); transform-origin: top; transition: transform .9s var(--ease-out); }
  .js-motion .stop > .wrap::after { transform: scale(0); transition: transform .45s var(--ease-out) .15s; }
  .js-motion .stop.is-in > .wrap::before { transform: scaleY(1); }
  .js-motion .stop.is-in > .wrap::after { transform: scale(1); }
  .js-motion .timeline__y::before { transform: scale(0); transition: transform .45s var(--ease-out) .1s; }
  .js-motion .timeline__y.is-in::before { transform: scale(1); }

  
  .btn { transition: background-color .15s, color .15s, border-color .15s, transform .15s var(--ease-out); }
  .btn:hover { transform: translateY(-1px); }
  .btn:active { transform: translateY(0); transition-duration: .05s; }
  .sol__go::after { transition: transform .25s var(--ease-out); display: inline-block; margin-left: 0; }
  .sol__row:hover .sol__go::after { transform: translateX(5px); }
  .cert--img { transition: border-color .2s, box-shadow .25s, transform .25s var(--ease-out); }
  .cert--img:hover { transform: translateY(-2px); }
  
  .nav__group:hover .nav__sub li, .nav__group:focus-within .nav__sub li { animation: sub-in .3s var(--ease-out) backwards; }
  .nav__sub li:nth-child(2) { animation-delay: .03s; } .nav__sub li:nth-child(3) { animation-delay: .06s; } .nav__sub li:nth-child(4) { animation-delay: .09s; } .nav__sub li:nth-child(5) { animation-delay: .12s; }
  .nav.is-open { animation: menu-in .28s var(--ease-out); }
}

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes node-in { to { opacity: 1; transform: scale(1); } }
@keyframes flow-in { to { opacity: 1; } }
@keyframes tag-in { from { opacity: 0; transform: translate(-50%, -110%); } to { opacity: 1; transform: translate(-50%, -135%); } }
@keyframes sub-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@keyframes menu-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

@media print { [data-reveal] { opacity: 1 !important; transform: none !important; } .stop > .wrap::before, .stop > .wrap::after { transform: none !important; } }