/* databin.net — one stylesheet, no external fonts or assets. */

:root {
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --brand: #2196f3;
  --brand-600: #1976d2;
  --brand-700: #1565c0;
  --accent-text: #1565c0;
  --brand-50: #eaf4fe;
  --brand-100: #cfe5fc;
  --teal: #0f9f8f;
  --teal-bg: rgba(20, 184, 166, .12);
  --ink: #0b1324;
  --ink-2: #2f3b4e;
  --muted: #56657b;
  --line: #e3e8f0;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --card: #ffffff;
  --navy: #06112a;
  --navy-2: #0b1e44;
  --on-navy: #e8eef8;
  --on-navy-muted: #a7b5cb;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 10px 28px rgba(16, 24, 40, .06);
  --maxw: 1180px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent-text: #7cc2ff;
    --brand-50: rgba(33, 150, 243, .14);
    --brand-100: rgba(33, 150, 243, .35);
    --teal: #4fd1c1;
    --teal-bg: rgba(20, 184, 166, .16);
    --ink: #e8eef8;
    --ink-2: #c9d4e4;
    --muted: #9aa9bf;
    --line: #1d2a42;
    --bg: #08101f;
    --bg-soft: #0c162b;
    --card: #0f1b33;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 20px; height: 20px; flex: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); font-size: 14.5px; }

.skip { position: absolute; left: -9999px; top: 8px; }
.skip:focus { left: 8px; z-index: 100; background: #fff; color: #000; padding: 8px 14px; border-radius: 8px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-weight: 600; border-radius: 11px; border: 1px solid transparent;
  white-space: nowrap; text-decoration: none !important; line-height: 1.2;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn-sm { font-size: 14.5px; padding: 9px 15px; }
.btn-lg { font-size: 16px; padding: 14px 22px; }
.btn-primary { background: var(--brand-600); color: #fff; box-shadow: 0 8px 24px rgba(33, 150, 243, .32); }
.btn-primary:hover { background: var(--brand-700); transform: translateY(-1px); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .05); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-outline { color: var(--accent-text); border-color: var(--brand-100); background: var(--card); }
.btn .icon { width: 18px; height: 18px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6, 17, 42, .84);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.bar { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 30px; width: auto; }
.nav { display: flex; gap: 2px; margin-left: 12px; }
.nav a { color: var(--on-navy-muted); font-size: 15px; font-weight: 500; padding: 8px 12px; border-radius: 8px; }
.nav a:hover { color: #fff; background: rgba(255, 255, 255, .07); text-decoration: none; }
.actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.lang {
  color: var(--on-navy); font-weight: 650; font-size: 13.5px; letter-spacing: .04em;
  padding: 7px 11px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 9px;
}
.lang:hover { background: rgba(255, 255, 255, .08); text-decoration: none; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--navy); color: var(--on-navy); padding: 80px 0 0; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(640px 420px at 82% 18%, rgba(33, 150, 243, .34), transparent 62%),
    radial-gradient(520px 380px at 8% 92%, rgba(20, 184, 166, .16), transparent 62%),
    linear-gradient(180deg, #06112a 0%, #081733 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 9px; margin: 0 0 22px;
  font-size: 13px; font-weight: 650; letter-spacing: .06em; color: #cfe6fd;
  background: rgba(33, 150, 243, .14); border: 1px solid rgba(33, 150, 243, .38);
  padding: 6px 13px; border-radius: 999px;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 4px rgba(74, 222, 128, .18); }
.hero h1 {
  font-size: clamp(36px, 5.1vw, 60px); line-height: 1.06; letter-spacing: -.032em;
  margin: 0 0 22px; font-weight: 760; color: #fff;
}
.grad { background: linear-gradient(90deg, #5ab4ff, #2dd4bf); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: clamp(17px, 1.55vw, 19.5px); line-height: 1.6; color: var(--on-navy-muted); max-width: 56ch; margin: 0 0 34px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { display: flex; gap: 10px; align-items: flex-start; margin: 30px 0 0; font-size: 14.5px; color: #93a5bf; max-width: 52ch; }
.hero-note .icon { width: 18px; height: 18px; color: #4ade80; margin-top: 2px; }
.hero-visual {
  margin: 0; padding: 18px; border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02));
  border: 1px solid rgba(255, 255, 255, .11);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .38), inset 0 1px 0 rgba(255, 255, 255, .06);
}
.hero-visual svg { display: block; width: 100%; height: auto; }

/* diagram */
.dg-caption { fill: #7f92ae; font: 650 11px var(--font); letter-spacing: .14em; }
.dg-node { fill: rgba(255, 255, 255, .05); stroke: rgba(255, 255, 255, .15); }
.dg-label { fill: #e3ecf8; font: 600 13.5px var(--font); }
.dg-ico { color: #7cc2ff; }
.dg-ico-out { color: #5eead4; }
.dg-path { fill: none; stroke: rgba(124, 194, 255, .22); stroke-width: 1.5; }
.dg-flow { fill: none; stroke: #5ab4ff; stroke-width: 1.8; stroke-linecap: round; stroke-dasharray: 2 12; animation: flow 1.4s linear infinite; }
.dg-flow-out { stroke: #2dd4bf; }
.dg-core-label { fill: #fff; font: 700 15px var(--font); letter-spacing: .01em; }
@keyframes flow { to { stroke-dashoffset: -28; } }

/* stats */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 72px;
  background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .09); border-bottom: 0;
  border-radius: 20px 20px 0 0; overflow: hidden;
}
.stat { background: rgba(7, 19, 44, .82); padding: 26px 26px 30px; }
.stat b { display: block; font-size: 36px; line-height: 1.05; color: #fff; letter-spacing: -.03em; font-weight: 760; }
.stat span { display: block; margin-top: 8px; font-size: 14.5px; line-height: 1.45; color: var(--on-navy-muted); }

/* ---------- sections ---------- */
.section { padding: 104px 0; }
.section.tight { padding: 72px 0; }
.section.soft { background: var(--bg-soft); }
.head { margin-bottom: 52px; max-width: 760px; }
.head.center { text-align: center; margin-left: auto; margin-right: auto; }
.head.center .sub { margin-left: auto; margin-right: auto; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); margin: 0 0 12px; }
.head h2, .faq h2 { font-size: clamp(29px, 3.4vw, 42px); line-height: 1.14; letter-spacing: -.028em; margin: 0 0 16px; font-weight: 740; }
.sub { font-size: 18px; color: var(--muted); max-width: 62ch; margin: 0; }

.grid { display: grid; gap: 20px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--brand-100); }
.ico {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 13px;
  background: var(--brand-50); color: var(--accent-text); margin-bottom: 20px; flex: none;
}
.ico .icon { width: 22px; height: 22px; }
.card h3, .feature h3, .step h3 { font-size: 18px; line-height: 1.35; margin: 0 0 8px; letter-spacing: -.012em; font-weight: 680; }
.card p, .feature p, .step p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.62; }

/* facts */
.fact {
  position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px 24px; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.fact::before { content: ""; position: absolute; left: 26px; top: 0; width: 40px; height: 3px; border-radius: 0 0 3px 3px; background: var(--brand); }
.fact b { font-size: 40px; line-height: 1; letter-spacing: -.035em; color: var(--accent-text); font-weight: 760; margin-bottom: 16px; }
.fact p { margin: 0 0 18px; color: var(--ink-2); font-size: 15.5px; line-height: 1.6; flex: 1; }
.fact small { font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 12px; }

/* security split */
.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 64px; align-items: center; }
.split .head { margin-bottom: 0; }
.checks { list-style: none; padding: 0; margin: 34px 0 0; display: grid; gap: 20px; }
.checks li { display: flex; gap: 16px; align-items: flex-start; }
.tick { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--teal-bg); color: var(--teal); }
.tick .icon { width: 18px; height: 18px; }
.checks strong { display: block; font-size: 16.5px; font-weight: 680; margin-bottom: 2px; }
.checks span { color: var(--muted); font-size: 15.5px; line-height: 1.58; }
.shot { margin: 0; }
.frame { border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: var(--card); box-shadow: 0 34px 70px rgba(16, 24, 40, .16); }
.frame-bar { display: flex; gap: 7px; align-items: center; padding: 11px 14px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.frame-bar i:nth-child(2) { background: #febc2e; }
.frame-bar i:nth-child(3) { background: #28c840; }
.frame-bar span { margin-left: 10px; font-size: 12.5px; color: var(--muted); }
.shot figcaption { font-size: 13.5px; color: var(--muted); margin-top: 14px; text-align: center; }

/* steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 47px; left: 12%; right: 12%; height: 2px; z-index: 0;
  background: linear-gradient(90deg, transparent, var(--brand-100) 12%, var(--brand-100) 88%, transparent);
}
.step { position: relative; z-index: 1; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.step .n {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--brand-600); color: #fff; font-weight: 720; font-size: 15px; margin-bottom: 18px;
  box-shadow: 0 0 0 6px var(--brand-50);
}

/* features */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 40px; }
.feature { display: flex; gap: 18px; align-items: flex-start; padding: 22px 0; border-bottom: 1px solid var(--line); }
.feature .ico { margin: 0; width: 44px; height: 44px; }

/* regulations */
.regs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.reg { display: flex; gap: 16px; align-items: flex-start; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.reg .code {
  flex: none; min-width: 66px; text-align: center; font-weight: 800; font-size: 13px; letter-spacing: .02em;
  padding: 9px 10px; border-radius: 10px; background: var(--brand-50); color: var(--accent-text);
}
.reg strong { display: block; font-size: 16px; font-weight: 680; margin-bottom: 3px; }
.reg span { font-size: 14.5px; color: var(--muted); line-height: 1.55; }

/* integrations */
.chips { list-style: none; padding: 0; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 900px; }
.chip {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 20px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--card);
  font-weight: 620; font-size: 15.5px; color: var(--ink-2); box-shadow: var(--shadow);
}
.chip .icon { color: var(--accent-text); width: 18px; height: 18px; }

/* backers */
.backers { padding: 56px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg); }
.backers p { text-align: center; font-size: 13px; font-weight: 650; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 22px; }
.backer-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 46px; list-style: none; padding: 0; margin: 0; }
.backer-list li { font-size: 21px; font-weight: 720; color: var(--ink-2); opacity: .72; letter-spacing: -.015em; }

/* faq */
.faq { display: grid; grid-template-columns: .82fr 1.18fr; gap: 64px; align-items: start; }
.faq .head { margin-bottom: 0; position: sticky; top: 108px; }
.qs { border-top: 1px solid var(--line); }
details.q { border-bottom: 1px solid var(--line); }
details.q summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; align-items: center;
  padding: 22px 0; font-weight: 650; font-size: 17.5px; line-height: 1.4;
}
details.q summary::-webkit-details-marker { display: none; }
details.q summary::after {
  content: ""; flex: none; width: 9px; height: 9px; margin-right: 6px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: translateY(-3px) rotate(45deg); transition: transform .2s ease;
}
details.q[open] summary::after { transform: translateY(2px) rotate(-135deg); }
details.q summary:hover { color: var(--accent-text); }
details.q p { margin: -4px 0 24px; color: var(--muted); font-size: 16px; line-height: 1.68; max-width: 68ch; }

/* cta band */
.cta-band {
  position: relative; overflow: hidden; isolation: isolate; border-radius: 28px; padding: 64px 60px;
  background: linear-gradient(135deg, var(--navy-2), var(--navy) 60%); color: #fff;
  display: grid; grid-template-columns: 1.3fr auto; gap: 36px; align-items: center;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(520px 300px at 90% 10%, rgba(33, 150, 243, .38), transparent 65%),
              radial-gradient(420px 260px at 0% 100%, rgba(20, 184, 166, .2), transparent 65%);
}
.cta-band h2 { color: #fff; font-size: clamp(26px, 3vw, 38px); line-height: 1.15; letter-spacing: -.025em; margin: 0 0 12px; }
.cta-band p { color: var(--on-navy-muted); margin: 0; font-size: 17.5px; }

/* contact */
.contact-card h3 { margin-bottom: 6px; }
.contact-card p { color: var(--ink-2); font-size: 16.5px; }
.contact-card a { font-weight: 650; }

/* ---------- inner pages ---------- */
.hero-page { padding: 88px 0 96px; }
.hero-page.slim { padding: 72px 0 60px; }
.hero-page h1 { font-size: clamp(34px, 4.4vw, 52px); }
.page-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .025));
  border: 1px solid rgba(255, 255, 255, .12); border-radius: 22px; padding: 32px;
}
.panel h2 { font-size: 20px; margin: 0 0 18px; color: #fff; letter-spacing: -.01em; }
.agenda { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 14px; }
.agenda li { display: flex; gap: 14px; align-items: flex-start; color: var(--on-navy); font-size: 16px; line-height: 1.55; }
.agenda .tick { background: rgba(45, 212, 191, .14); color: #5eead4; width: 30px; height: 30px; }
.visit { display: flex; gap: 14px; align-items: center; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .1); }
.visit .ico { margin: 0; background: rgba(33, 150, 243, .16); color: #7cc2ff; }
.visit strong { display: block; color: #fff; font-size: 15.5px; }
.visit span { color: var(--on-navy-muted); font-size: 15px; }
.alt-contact { display: flex; gap: 10px; align-items: center; margin: 22px 0 0; }
.alt-contact a { color: #cfe6fd; }
.nf .lead.en { margin-top: -18px; font-size: 16px; }

.prose { max-width: 780px; }
.prose p { margin: 0 0 20px; color: var(--ink-2); font-size: 17px; line-height: 1.75; }
.prose ul { margin: 0 0 22px; padding-left: 22px; color: var(--ink-2); }
.prose li { margin-bottom: 10px; line-height: 1.7; }

/* ---------- footer ---------- */
.site-footer { background: var(--navy); color: var(--on-navy-muted); padding: 68px 0 34px; font-size: 15px; }
.foot { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 48px; }
.site-footer .tag { margin: 18px 0 14px; color: var(--on-navy); max-width: 34ch; }
.site-footer .addr { margin: 0; line-height: 1.7; }
.fh { color: #fff; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin: 6px 0 16px; }
.site-footer a { color: var(--on-navy-muted); }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.legal {
  margin-top: 52px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, .09);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 24px; font-size: 13.5px;
}
.badge-privacy { display: inline-flex; align-items: center; gap: 8px; color: #8ee6d6; }
.badge-privacy .icon { width: 17px; height: 17px; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .nav a { padding: 8px 9px; font-size: 14.5px; }
}
@media (max-width: 1000px) {
  .nav { display: none; }
  .hero-grid, .split, .page-grid, .faq { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 620px; }
  .g4, .g3, .regs { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .faq .head { position: static; }
  .cta-band { grid-template-columns: 1fr; padding: 48px 36px; }
  .foot { grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: 56px; }
  .stat { padding: 22px 18px 24px; }
  .stat b { font-size: 30px; }
  .features { grid-template-columns: 1fr; }
  .foot { grid-template-columns: 1fr 1fr; }
  .foot > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  body { font-size: 16.5px; }
  .wrap { padding: 0 16px; }
  .hero { padding-top: 52px; }
  .section { padding: 72px 0; }
  .section.tight { padding: 48px 0; }
  .head { margin-bottom: 36px; }
  .sub { font-size: 17px; }
  .g4, .g3, .regs, .steps { grid-template-columns: 1fr; }
  .card, .step { padding: 24px; }
  .btn-lg { width: 100%; }
  .cta-band { padding: 40px 22px; border-radius: 22px; }
  .backer-list { gap: 10px 26px; }
  .backer-list li { font-size: 18px; }
  .hero-visual { padding: 8px; border-radius: 18px; }
  .dg-label { font-size: 16px; }
  .dg-caption { font-size: 13px; }
  .dg-core-label { font-size: 18px; }
  .hero-page { padding: 56px 0 64px; }
  .panel { padding: 24px; }
  .legal { flex-direction: column; }
}
@media (max-width: 420px) {
  .bar { gap: 10px; }
  .brand img { height: 26px; }
  .btn-sm { padding: 8px 11px; font-size: 13.5px; }
  .lang { padding: 6px 9px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}