@import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap");

:root {
  --bg: #0c1018;
  --bg-deep: #070a10;
  --surface: #131a25;
  --surface-2: #182231;
  --surface-3: #202c3c;
  --text: #edf4f7;
  --muted: #98a8b6;
  --line: #2a394a;
  --cyan: #22c8df;
  --cyan-soft: #80e7f4;
  --orange: #ff9d36;
  --red: #ee5f4e;
  --green: #38c983;
  --shadow: 0 18px 54px rgb(0 0 0 / 28%);
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Inter", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 1rem/1.7 var(--body); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1; background: radial-gradient(circle at 12% -5%, rgb(34 200 223 / 12%), transparent 30rem), linear-gradient(rgb(255 255 255 / 2%) 1px, transparent 1px); background-size: auto, 100% 44px; }
a { color: inherit; text-decoration: none; }
img, iframe { display: block; max-width: 100%; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--cyan-soft); outline-offset: 3px; }
[hidden] { display: none !important; }
.skip-link { position: fixed; top: 0; left: 1rem; z-index: 100; padding: .65rem 1rem; background: var(--cyan); color: #041014; transform: translateY(-110%); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.narrow { width: min(820px, calc(100% - 2rem)); margin-inline: auto; }
.eyebrow { margin: 0 0 .65rem; color: var(--cyan-soft); font: 700 .82rem/1 var(--body); letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, h4 { margin: 0 0 .75rem; font-family: var(--display); line-height: 1.05; letter-spacing: .01em; }
h1 { font-size: clamp(3rem, 8vw, 6.4rem); text-transform: uppercase; }
h2 { font-size: clamp(2.1rem, 5vw, 3.5rem); text-transform: uppercase; }
h3 { font-size: 1.55rem; }
p { margin: 0 0 1rem; }
.muted, .meta { color: var(--muted); }
.meta { font-size: .88rem; }

.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid rgb(128 231 244 / 18%); background: rgb(7 10 16 / 92%); backdrop-filter: blur(16px); }
.nav-row { min-height: 72px; display: flex; align-items: center; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; margin-right: auto; font: 800 1.15rem/1 var(--display); letter-spacing: .06em; text-transform: uppercase; }
.brand-mark { width: 34px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid var(--cyan); color: var(--cyan-soft); clip-path: polygon(15% 0,100% 0,100% 85%,85% 100%,0 100%,0 15%); }
.desktop-nav { display: flex; align-items: center; gap: 1.1rem; color: #bdc9d2; font-size: .88rem; font-weight: 600; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { color: var(--cyan-soft); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; border: 1px solid var(--line); background: var(--surface); color: var(--text); }
.mobile-menu { padding: .5rem 1rem 1rem; border-top: 1px solid var(--line); }
.mobile-menu a { display: block; padding: .65rem 0; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .7rem 1.1rem; border: 1px solid var(--cyan); background: var(--cyan); color: #061116; font-weight: 800; letter-spacing: .02em; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); background: var(--cyan-soft); }
.button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
.button.secondary:hover { border-color: var(--cyan); color: var(--cyan-soft); background: rgb(34 200 223 / 6%); }
.button.small { min-height: 38px; padding: .5rem .85rem; font-size: .85rem; }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; }

.hero { position: relative; overflow: hidden; padding: clamp(4.5rem, 10vw, 8rem) 0 4.5rem; border-bottom: 1px solid var(--line); }
.hero::after { content: "ZERO COMPANY"; position: absolute; right: -2rem; bottom: -1.9rem; color: rgb(255 255 255 / 2.5%); font: 800 clamp(5rem, 18vw, 14rem)/.8 var(--display); white-space: nowrap; pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.hero-copy { max-width: 670px; }
.hero-copy .lead { max-width: 62ch; color: #bdc9d2; font-size: 1.08rem; }
.hero h1 span { display: block; color: var(--cyan-soft); }
.media-frame { position: relative; border: 1px solid #385064; background: var(--surface); box-shadow: var(--shadow); clip-path: polygon(22px 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%,0 22px); }
.media-frame::before, .media-frame::after { content: ""; position: absolute; z-index: 2; background: var(--cyan); }
.media-frame::before { top: 0; left: 22px; width: 84px; height: 2px; }
.media-frame::after { right: 22px; bottom: 0; width: 84px; height: 2px; }
.video-wrap { aspect-ratio: 16 / 9; }
.video-wrap iframe { width: 100%; height: 100%; border: 0; }
.media-label { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 1rem; color: var(--muted); font-size: .82rem; }
.stats { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.35rem 0 1.5rem; }
.stat-pill { padding: .42rem .7rem; border: 1px solid var(--line); background: rgb(19 26 37 / 75%); color: #cbd5dc; font-size: .78rem; font-weight: 700; }

.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section.alt { border-block: 1px solid var(--line); background: var(--bg-deep); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section-head p { max-width: 58ch; color: var(--muted); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card { position: relative; min-height: 100%; padding: 1.35rem; border: 1px solid var(--line); background: linear-gradient(145deg, rgb(32 44 60 / 72%), rgb(19 26 37 / 88%)); transition: transform .2s ease, border-color .2s ease; }
a.card:hover { transform: translateY(-4px); border-color: var(--cyan); }
.card p { color: var(--muted); font-size: .94rem; }
.card .arrow { color: var(--cyan-soft); font-weight: 800; }
.number { display: inline-grid; place-items: center; width: 36px; height: 36px; margin-bottom: 1rem; border: 1px solid var(--cyan); color: var(--cyan-soft); font: 800 1.1rem var(--display); }
.tag { display: inline-flex; margin-bottom: .8rem; padding: .22rem .5rem; border: 1px solid rgb(34 200 223 / 35%); color: var(--cyan-soft); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.tag.orange { border-color: rgb(255 157 54 / 40%); color: #ffc47e; }
.tag.muted { border-color: var(--line); color: var(--muted); }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 2rem; border: 1px solid var(--line); }
.fact { padding: 1.15rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact:nth-child(3n) { border-right: 0; }
.fact dt { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.fact dd { margin: .25rem 0 0; font-weight: 700; }

.breadcrumb { padding-top: 2rem; color: var(--muted); font-size: .86rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0; list-style: none; }
.breadcrumb li + li::before { content: "/"; margin-right: .5rem; color: #566779; }
.page-hero { padding: 2.5rem 0 3.5rem; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.8rem, 7vw, 5.5rem); }
.page-hero .lead { max-width: 72ch; color: #b9c6d0; font-size: 1.08rem; }
.hub-intro { max-width: 780px; margin-bottom: 2rem; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) minmax(250px, 1fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.article { min-width: 0; }
.article h2 { margin-top: 3.2rem; padding-top: .5rem; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.article h3 { margin-top: 2rem; }
.article p, .article li { color: #c4ced6; }
.article a { color: var(--cyan-soft); text-decoration: underline; text-underline-offset: .18em; }
.article ul, .article ol { padding-left: 1.35rem; }
.sidebar { position: sticky; top: 96px; padding: 1.15rem; border: 1px solid var(--line); background: var(--surface); }
.sidebar h2 { font-size: 1.25rem; }
.toc { padding: 0; margin: 0; list-style: none; }
.toc a { display: block; padding: .46rem .6rem; border-left: 2px solid var(--line); color: var(--muted); font-size: .87rem; }
.toc a:hover, .toc a[aria-current="location"] { border-color: var(--cyan); color: var(--cyan-soft); background: rgb(34 200 223 / 6%); }
.table-wrap { overflow-x: auto; margin: 1.5rem 0; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: .85rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--surface-2); color: var(--cyan-soft); font: 700 .85rem var(--body); letter-spacing: .05em; text-transform: uppercase; }
.callout { margin: 1.5rem 0; padding: 1.1rem 1.2rem; border-left: 3px solid var(--cyan); background: rgb(34 200 223 / 7%); }
.callout.warning { border-color: var(--orange); background: rgb(255 157 54 / 7%); }
.callout strong { color: var(--text); }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button { width: 100%; padding: 1.1rem 0; display: flex; justify-content: space-between; gap: 1rem; border: 0; background: transparent; color: var(--text); text-align: left; font-weight: 700; cursor: pointer; }
.faq-item button::after { content: "+"; color: var(--cyan); font-size: 1.25rem; }
.faq-item button[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 0 1rem; color: var(--muted); }
.final-cta { padding: 3rem; border: 1px solid #365167; background: radial-gradient(circle at 85% 20%, rgb(34 200 223 / 18%), transparent 20rem), var(--surface); }

.site-footer { padding: 3.5rem 0 1.5rem; border-top: 1px solid var(--line); background: #080b11; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; }
.footer-grid h2 { font-size: 1.55rem; }
.footer-grid h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links a { display: inline-block; padding: .25rem 0; color: var(--muted); }
.footer-links a:hover { color: var(--cyan-soft); }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); color: #71808d; font-size: .78rem; }

@media (max-width: 980px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .hero-grid, .article-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: none; }
  .sidebar { position: static; order: 2; }
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .container, .narrow { width: min(100% - 1.2rem, 1180px); }
  .site-header .brand-text { max-width: 185px; font-size: .95rem; }
  .section-head { display: block; }
  .card-grid, .card-grid.four, .facts, .footer-grid { grid-template-columns: 1fr; }
  .fact, .fact:nth-child(3n) { border-right: 0; }
  .button-row .button { width: 100%; }
  .final-cta { padding: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}