:root {
  --night: #101219;
  --night-soft: #151821;
  --line: rgb(255 255 255 / 10%);
  --line-strong: rgb(255 255 255 / 17%);
  --paper: #f1efe9;
  --muted: #aeb2bd;
  --violet: #5f4ec9;
  --violet-soft: #a99ff1;
  --aurora: #49bdb0;
  --gold: #c99b4b;
  --shell: min(1080px, calc(100vw - 48px));
  --radius: 16px;
  --ease: 180ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body {
  margin: 0;
  background: var(--night);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 80% 8%, rgb(73 189 176 / 7%), transparent 29%), radial-gradient(circle at 15% 0%, rgb(112 96 219 / 10%), transparent 31%);
  pointer-events: none;
}
a { color: inherit; }
svg { display: block; max-width: 100%; }
button { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 100;
  padding: 9px 13px;
  border-radius: 8px;
  background: var(--paper);
  color: var(--night);
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgb(16 18 25 / 88%);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--paper); text-decoration: none; font-size: 13px; font-weight: 760; letter-spacing: .17em; }
.brand-mark { width: 29px; height: 29px; display: grid; place-items: center; }
.mark-ridge { fill: none; stroke: var(--paper); stroke-width: 2.15; stroke-linecap: round; stroke-linejoin: round; }
.mark-point { fill: var(--aurora); }
.site-nav { display: flex; align-items: center; gap: 3px; }
.site-nav a { padding: 8px 10px; border-radius: 8px; color: var(--muted); text-decoration: none; font-size: 13px; transition: color var(--ease), background var(--ease); }
.site-nav a:hover { color: var(--paper); background: rgb(255 255 255 / 5%); }
.site-nav .nav-cta { margin-left: 5px; padding-inline: 13px; color: var(--paper); background: var(--violet); }
.site-nav .nav-cta:hover { background: #6b5ad3; }
.nav-toggle { display: none; border: 1px solid var(--line-strong); border-radius: 8px; padding: 7px 10px; background: transparent; color: var(--paper); }

main { min-height: 55vh; }
.hero { padding: 88px 0 78px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); align-items: center; gap: 74px; }
.eyebrow { margin: 0 0 15px; color: var(--aurora); font-size: 11px; font-weight: 760; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.13; letter-spacing: -.026em; }
h1 { max-width: 720px; font-size: clamp(42px, 5.2vw, 62px); font-weight: 680; }
h2 { font-size: clamp(29px, 3.6vw, 42px); font-weight: 650; }
h3 { font-size: 17px; font-weight: 650; }
.lead { max-width: 650px; margin: 22px 0 0; color: var(--muted); font-size: 18px; line-height: 1.55; }
.lead-small { max-width: 580px; margin: 18px 0 0; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 21px; margin-top: 29px; }
.hero-note { margin: 25px 0 0; color: #7f8491; font-size: 12px; }
.button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 9px 15px; border: 1px solid transparent; border-radius: 9px; text-decoration: none; font-size: 13px; font-weight: 700; transition: transform var(--ease), background var(--ease); }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--violet); color: white; }
.button-primary:hover { background: #6b5ad3; }
.text-link { color: var(--aurora); text-underline-offset: 4px; font-size: 13px; font-weight: 650; }

.hero-art { position: relative; min-height: 390px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(145deg, rgb(255 255 255 / 3.5%), rgb(255 255 255 / 1%)); overflow: hidden; }
.hero-art::before { content: ""; position: absolute; inset: 14px; border: 1px solid rgb(255 255 255 / 6%); border-radius: 18px; }
.hero-ridge { position: absolute; inset: 34px 50px auto; height: 100px; opacity: .18; background: linear-gradient(129deg, transparent 49.3%, var(--paper) 49.7% 50.3%, transparent 50.7%) left / 52% 100% no-repeat, linear-gradient(51deg, transparent 49.3%, var(--aurora) 49.7% 50.3%, transparent 50.7%) right / 52% 100% no-repeat; }
.art-label { position: absolute; padding: 16px 17px; border: 1px solid var(--line-strong); border-radius: 13px; box-shadow: 0 18px 45px rgb(0 0 0 / 20%); }
.art-label span { display: block; margin-bottom: 27px; color: rgb(255 255 255 / 70%); font-size: 10px; font-weight: 720; letter-spacing: .08em; text-transform: uppercase; }
.art-label strong { display: block; font-size: 14px; }
.art-inventory { inset: 112px 112px 72px 28px; background: linear-gradient(145deg, #5d50c3, #332d69); }
.art-operation { right: 25px; top: 154px; width: 145px; height: 177px; background: linear-gradient(160deg, #268c83, #155650); }
.art-elza { right: 54px; top: 55px; width: 132px; color: var(--night); background: #efede7; }
.art-elza span { margin-bottom: 15px; color: #676b75; }

.section { padding: 72px 0; }
.section-rule { border-top: 1px solid var(--line); }
.section-soft { border-block: 1px solid rgb(255 255 255 / 6%); background: rgb(255 255 255 / 2.2%); }
.intro-grid, .ploc-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 80px; align-items: start; }
.body-copy p { margin: 0; color: var(--muted); }
.body-copy p + p { margin-top: 14px; }
.body-copy .text-link { display: inline-block; margin-top: 20px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 52px; border-block: 1px solid var(--line); }
.capability-grid article { padding: 25px 24px 27px 0; }
.capability-grid article + article { padding-left: 24px; border-left: 1px solid var(--line); }
.capability-grid span { color: var(--gold); font-size: 10px; font-weight: 760; }
.capability-grid h3 { margin-top: 19px; }
.capability-grid p { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.section-heading { max-width: 700px; margin-bottom: 40px; }
.compact-heading { display: grid; grid-template-columns: 170px 1fr; max-width: none; gap: 32px; align-items: start; }
.audience-list { border-top: 1px solid var(--line); }
.audience-list article { display: grid; grid-template-columns: .65fr 1.2fr 1fr; gap: 32px; padding: 25px 0; border-bottom: 1px solid var(--line); align-items: start; }
.audience-name { margin: 0; color: var(--aurora); font-size: 12px; font-weight: 700; }
.audience-list p:last-child { margin: 0; color: var(--muted); font-size: 13px; }

.elza-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: start; }
.flow-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.flow-list li { display: grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.flow-list li > span { color: var(--gold); font-size: 10px; font-weight: 760; }
.flow-list strong { font-size: 14px; }
.flow-list p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }

.paper-card { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: center; padding: 36px 40px; border: 1px solid rgb(112 96 219 / 45%); border-radius: var(--radius); background: linear-gradient(135deg, rgb(112 96 219 / 12%), rgb(73 189 176 / 5%)); }
.paper-card h2 { font-size: clamp(27px, 3vw, 37px); }
.paper-card p:not(.eyebrow) { max-width: 650px; margin: 13px 0 0; color: var(--muted); }
.paper-meta { display: grid; grid-template-columns: repeat(3, auto); gap: 8px 13px; align-items: center; color: var(--muted); font-size: 11px; }
.paper-meta .button { grid-column: 1 / -1; margin-top: 8px; }

.prose { max-width: 760px; }
.prose h1 { max-width: 760px; }
.prose h2 { margin-top: 38px; font-size: 25px; }
.prose p, .prose li { color: var(--muted); }
.legal-hero { padding-bottom: 44px; }
.legal-hero h1 { font-size: clamp(38px, 4.3vw, 50px); }

.site-footer { padding: 38px 0 22px; border-top: 1px solid var(--line); background: #0c0e14; }
.footer-line { display: flex; justify-content: space-between; gap: 40px; align-items: flex-start; }
.brand-footer { margin-bottom: 10px; }
.footer-line p { margin: 0; color: var(--muted); font-size: 12px; }
.footer-line nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; color: var(--muted); font-size: 12px; }
.footer-line nav a { text-decoration: none; }
.footer-line nav a:hover { color: var(--paper); }
.footer-legal { margin-top: 26px; padding-top: 18px; border-top: 1px solid rgb(255 255 255 / 7%); color: #7e8491; font-size: 11px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-art { max-width: 620px; width: 100%; min-height: 350px; }
  .intro-grid, .ploc-grid, .elza-grid { grid-template-columns: 1fr; gap: 34px; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid article:nth-child(3) { border-left: 0; }
  .capability-grid article:nth-child(n+3) { border-top: 1px solid var(--line); }
  .audience-list article { grid-template-columns: .7fr 1.3fr; }
  .audience-list p:last-child { grid-column: 2; }
}

@media (max-width: 720px) {
  :root { --shell: min(100% - 30px, 1080px); }
  html { scroll-padding-top: 68px; }
  .header-inner { min-height: 59px; }
  .nav-toggle { display: inline-flex; }
  .site-nav { position: absolute; top: 59px; left: 15px; right: 15px; display: none; flex-direction: column; align-items: stretch; padding: 10px; border: 1px solid var(--line-strong); border-radius: 12px; background: #171a22; box-shadow: 0 18px 50px rgb(0 0 0 / 35%); }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav a { padding: 10px 11px; }
  .site-nav .nav-cta { margin: 4px 0 0; text-align: center; }
  .hero { padding: 59px 0 58px; }
  h1 { font-size: clamp(36px, 11vw, 47px); }
  h2 { font-size: 29px; }
  .lead { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-art { min-height: 315px; }
  .art-inventory { inset: 96px 84px 56px 18px; }
  .art-operation { width: 119px; right: 16px; top: 136px; height: 147px; }
  .art-elza { right: 34px; top: 42px; width: 122px; }
  .section { padding: 57px 0; }
  .capability-grid { grid-template-columns: 1fr; margin-top: 38px; }
  .capability-grid article, .capability-grid article + article { padding: 20px 0; border-left: 0; border-top: 1px solid var(--line); }
  .capability-grid article:first-child { border-top: 0; }
  .compact-heading { grid-template-columns: 1fr; gap: 0; }
  .audience-list article { grid-template-columns: 1fr; gap: 9px; padding: 21px 0; }
  .audience-list p:last-child { grid-column: auto; }
  .paper-card { grid-template-columns: 1fr; gap: 27px; padding: 28px 24px; }
  .paper-meta { justify-content: start; }
  .footer-line { flex-direction: column; }
  .footer-line nav { justify-content: flex-start; }
}

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