:root {
  --bg: #08111f;
  --bg-2: #0d192a;
  --ink: #0d1726;
  --muted: #667085;
  --line: #dce4ef;
  --panel: #f5f8fc;
  --white: #ffffff;
  --blue: #2f6bff;
  --blue-2: #79a7ff;
  --cyan: #47d7ff;
  --green: #24c989;
  --amber: #f4b84a;
  --red: #ed6a70;
  --radius: 22px;
  --shadow: 0 18px 60px rgba(4, 20, 45, 0.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.035em; margin-top: 0; }
h1 { font-size: clamp(3rem, 7vw, 6.6rem); margin-bottom: 1.4rem; }
h2 { font-size: clamp(2.1rem, 4vw, 4rem); margin-bottom: 1.2rem; }
h3 { font-size: 1.3rem; margin-bottom: .65rem; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(18px); background: rgba(8, 17, 31, 0.88); border-bottom: 1px solid rgba(255,255,255,.08); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 760; color: white; letter-spacing: -.02em; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(145deg, var(--blue), var(--cyan)); color: white; font-weight: 800; box-shadow: 0 0 30px rgba(71,215,255,.18); }
.brand-word { font-size: 1.18rem; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 26px; color: #b8c2d3; font-size: .93rem; }
.nav a:hover, .nav a.active { color: white; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 21px; border-radius: 999px; background: linear-gradient(135deg, var(--blue), #4a8cff); color: white; font-weight: 690; letter-spacing: -.01em; box-shadow: 0 12px 32px rgba(47,107,255,.24); transition: transform .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-1px); box-shadow: 0 16px 38px rgba(47,107,255,.32); }
.button-small { min-height: 40px; padding: 0 17px; font-size: .9rem; }
.button-secondary { background: transparent; box-shadow: inset 0 0 0 1px rgba(255,255,255,.22); }
.button-secondary:hover { box-shadow: inset 0 0 0 1px rgba(255,255,255,.4); }
.hero { position: relative; overflow: hidden; color: white; background: radial-gradient(circle at 70% 10%, rgba(47,107,255,.18), transparent 34%), radial-gradient(circle at 95% 55%, rgba(71,215,255,.12), transparent 28%), var(--bg); padding: 105px 0 115px; }
.hero-grid { display: grid; grid-template-columns: 1.18fr .82fr; gap: 80px; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { text-transform: uppercase; letter-spacing: .15em; font-size: .75rem; font-weight: 780; color: var(--blue); margin-bottom: 18px; }
.hero .eyebrow, .section-dark .eyebrow, .page-hero .eyebrow { color: #8ab5ff; }
.hero-lead { color: #c5cfdd; font-size: clamp(1.15rem, 2vw, 1.4rem); max-width: 760px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 13px; flex-wrap: wrap; }
.microcopy { color: #8491a4; font-size: .9rem; max-width: 620px; margin-top: 24px; }
.trust-card { position: relative; z-index: 2; background: linear-gradient(180deg, rgba(20,35,56,.96), rgba(11,23,39,.96)); border: 1px solid rgba(138,181,255,.22); border-radius: 26px; box-shadow: 0 30px 90px rgba(0,0,0,.28); padding: 18px; }
.trust-card-header { display: flex; justify-content: space-between; align-items: center; color: #8e9bae; font-size: .8rem; padding: 3px 4px 15px; border-bottom: 1px solid rgba(255,255,255,.08); }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 16px rgba(36,201,137,.8); }
.request-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 17px 4px; border-bottom: 1px solid rgba(255,255,255,.07); }
.request-row div { display: flex; flex-direction: column; gap: 3px; }
.request-row strong { font-size: .98rem; font-weight: 650; }
.label { color: #7d8ba0; font-size: .73rem; text-transform: uppercase; letter-spacing: .08em; }
.verified { color: #72e1b9; font-size: .76rem; background: rgba(36,201,137,.09); border: 1px solid rgba(36,201,137,.18); padding: 5px 9px; border-radius: 999px; }
.decision { margin-top: 16px; padding: 18px; border-radius: 16px; background: rgba(36,201,137,.08); border: 1px solid rgba(36,201,137,.2); display: flex; flex-direction: column; gap: 5px; }
.decision strong { color: #6be0b4; font-size: 1.4rem; letter-spacing: .05em; }
.decision span:last-child { color: #a3b2c5; font-size: .82rem; }
.signal-strip { border-bottom: 1px solid var(--line); background: #fbfcfe; }
.signal-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.signal-grid div { padding: 24px 18px; border-right: 1px solid var(--line); }
.signal-grid div:first-child { border-left: 1px solid var(--line); }
.signal-grid strong { display: block; font-size: .9rem; margin-bottom: 2px; }
.signal-grid span { color: var(--muted); font-size: .8rem; }
.section { padding: 105px 0; }
.section-muted { background: #f6f8fb; }
.section-dark { background: var(--bg); color: white; }
.section-dark p { color: #a9b5c5; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.body-large { color: #536176; font-size: 1.12rem; }
.body-large p { margin-bottom: 1.1rem; }
.section-heading { margin-bottom: 45px; }
.section-heading.narrow { max-width: 780px; }
.section-heading p { color: var(--muted); font-size: 1.05rem; }
.question-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.question-card { min-height: 260px; padding: 24px; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015)); }
.question-card > span { color: #6d7e94; font-size: .75rem; }
.question-card h3 { margin-top: 32px; }
.question-card p { font-size: .9rem; }
.object-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.object-card { border: 1px solid var(--line); border-radius: 22px; padding: 32px; background: white; }
.object-card.featured { border-color: #9cbbff; box-shadow: var(--shadow); }
.object-icon { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; color: white; background: var(--ink); font-weight: 800; margin-bottom: 35px; }
.featured .object-icon { background: var(--blue); }
.object-question { color: var(--blue); font-weight: 680; }
.object-card p:last-child { color: var(--muted); }
.architecture-preview { overflow: hidden; }
.arch-flow { display: grid; grid-template-columns: 1fr .65fr 1.2fr .65fr 1.2fr .65fr 1fr; align-items: center; margin-top: 55px; }
.arch-node { min-height: 115px; border-radius: 18px; padding: 20px; display: flex; flex-direction: column; justify-content: center; }
.org-node { background: #f3f6fa; border: 1px solid var(--line); }
.gateway-node { color: white; background: var(--bg); border: 1px solid #23334b; box-shadow: 0 16px 40px rgba(8,17,31,.13); }
.arch-node span { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: #7e8b9e; }
.gateway-node span { color: #84a9e9; }
.arch-node strong { margin-top: 8px; font-size: .94rem; }
.flow-line { height: 1px; background: #abb8c9; position: relative; }
.flow-line::after { content: "→"; position: absolute; right: -3px; top: -14px; color: #8592a4; }
.flow-line span { display: block; transform: translateY(-28px); font-size: .68rem; color: #78869a; text-align: center; }
.flow-line.highlight { background: var(--blue); height: 2px; }
.flow-line.highlight::after { color: var(--blue); }
.center-action { text-align: center; margin-top: 42px; }
.text-link { color: var(--blue); font-weight: 690; }
.use-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.use-case-grid article { background: white; border: 1px solid var(--line); padding: 27px; border-radius: 18px; }
.use-case-grid article span { color: var(--blue); font-size: .75rem; font-weight: 750; text-transform: uppercase; letter-spacing: .09em; }
.use-case-grid article h3 { margin-top: 18px; }
.use-case-grid article p { color: var(--muted); font-size: .92rem; }
.example-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 85px; }
.example-grid > div:first-child p { color: var(--muted); font-size: 1.05rem; }
.example-steps { border-left: 1px solid var(--line); padding-left: 34px; }
.example-steps div { display: flex; gap: 18px; align-items: center; margin-bottom: 24px; }
.example-steps span { flex: 0 0 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--panel); color: var(--blue); font-weight: 760; font-size: .8rem; }
.example-steps p { margin: 0; font-weight: 630; }
.cta-section { padding-top: 50px; }
.cta-card { border-radius: 28px; padding: 55px; color: white; background: radial-gradient(circle at 80% 20%, rgba(71,215,255,.13), transparent 30%), linear-gradient(135deg, #0a1526, #0e2036); display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; align-items: center; }
.cta-card h2 { font-size: clamp(2rem, 3vw, 3.2rem); }
.cta-card p { color: #b0bdcd; max-width: 720px; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.cta-actions .button-secondary { color: white; }
.site-footer { background: var(--bg); color: #a6b2c2; padding: 45px 0; border-top: 1px solid rgba(255,255,255,.08); }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 45px; align-items: end; }
.footer-brand { margin-bottom: 10px; }
.site-footer p { font-size: .85rem; margin-bottom: 0; }
.footer-links { display: flex; gap: 20px; font-size: .85rem; }
.footer-copy { font-size: .78rem; color: #64738a; }
.page-hero { background: var(--bg); color: white; padding: 100px 0 80px; }
.narrow-page { max-width: 920px; margin-left: auto; margin-right: auto; }
.page-hero h1 { font-size: clamp(3rem, 6vw, 5.5rem); }
.architecture-map { display: grid; grid-template-columns: 1fr .8fr 1fr; gap: 30px; align-items: center; }
.trust-domain { padding: 26px; border: 1px solid var(--line); border-radius: 24px; background: #fafbfd; }
.domain-label { text-transform: uppercase; letter-spacing: .1em; font-size: .74rem; font-weight: 760; color: var(--muted); margin-bottom: 20px; }
.stack-box { border-radius: 15px; padding: 17px 19px; }
.stack-box.neutral { background: white; border: 1px solid var(--line); }
.stack-box.gateway-box { background: var(--bg); color: white; border: 1px solid #253953; }
.stack-box > span { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: #7d8ba0; display: block; margin-bottom: 5px; }
.stack-box.gateway-box > span { color: #8ab5ff; }
.stack-box strong { font-size: .94rem; }
.stack-box ul { margin: 12px 0 0; padding-left: 18px; color: #b6c1d0; font-size: .82rem; }
.stack-arrow { text-align: center; color: #95a2b4; padding: 5px; }
.network-column { text-align: center; }
.network-label { color: var(--blue); font-weight: 800; letter-spacing: .12em; font-size: .76rem; margin-bottom: 14px; }
.network-box { background: #eef4ff; border: 1px solid #b8cdf8; border-radius: 22px; padding: 27px 20px; }
.network-box div { padding: 8px; border-bottom: 1px solid #d9e5fb; font-size: .84rem; }
.network-box div:last-child { border-bottom: 0; }
.network-link { margin: 24px -50px; color: var(--blue); font-size: .78rem; font-weight: 700; }
.network-note { color: var(--muted); font-size: .78rem; }
.decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.decision-card { border: 1px solid var(--line); border-radius: 18px; padding: 27px; background: white; }
.decision-card strong { display: block; margin-bottom: 13px; }
.decision-card p { color: var(--muted); margin: 0; }
.decision-card.allow strong { color: #119d68; }
.decision-card.approve strong { color: #c78215; }
.decision-card.deny strong { color: #d15058; }
.formula-card { padding: 32px; border: 1px solid var(--line); border-radius: 22px; background: #f9fbfe; }
.formula-card > span { display: block; color: var(--blue); text-transform: uppercase; letter-spacing: .1em; font-size: .73rem; font-weight: 780; margin-bottom: 15px; }
.formula-card strong { font-size: 1.08rem; line-height: 1.55; }
.formula-card p { color: var(--muted); margin: 16px 0 0; }
.sequence { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.sequence > div { min-height: 225px; padding: 24px; border-radius: 18px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.025); }
.sequence span { color: #657993; font-size: .72rem; }
.sequence strong { display: block; margin: 28px 0 12px; }
.sequence p { font-size: .86rem; margin: 0; }
@media (max-width: 980px) {
  .nav { display: none; }
  .nav-wrap .button-small { margin-left: auto; }
  .hero-grid, .split, .example-grid, .cta-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 50px; }
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
  .question-grid { grid-template-columns: repeat(2, 1fr); }
  .object-grid, .use-case-grid, .decision-grid { grid-template-columns: 1fr; }
  .arch-flow { grid-template-columns: 1fr; gap: 8px; }
  .flow-line { width: 1px; height: 34px; margin: auto; }
  .flow-line::after { content: "↓"; bottom: -15px; right: -6px; top: auto; }
  .flow-line span { transform: none; position: absolute; left: 18px; top: 7px; width: 180px; text-align: left; }
  .architecture-map { grid-template-columns: 1fr; }
  .network-link { margin: 20px 0; }
  .sequence { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; align-items: start; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  .site-header .button-small { display: none; }
  h1 { font-size: 3.4rem; }
  .hero { padding: 75px 0 80px; }
  .section { padding: 78px 0; }
  .question-grid, .signal-grid { grid-template-columns: 1fr; }
  .signal-grid div { border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .cta-card { padding: 32px 24px; }
}