:root {
  color-scheme: dark;
  --bf-bg: #050914;
  --bf-surface: #0b1220;
  --bf-glass: rgba(18,26,44,.68);
  --bf-border: rgba(255,255,255,.09);
  --bf-text: #f4f7fc;
  --bf-muted: #a9b6d3;
  --bf-blue: #79a8ff;
  --bf-cyan: #4de6e6;
  --bf-success: #43d98c;
  --bf-warning: #f8c15a;
  --bf-danger: #ff6b7a;
  --bf-radius: 22px;
  --bf-shadow: 0 20px 60px rgba(0,0,0,.35);
  --bf-shell: min(1180px, calc(100% - 32px));
  --bf-focus: 0 0 0 3px #050914, 0 0 0 6px rgba(77,230,230,.85);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; text-size-adjust: 100%; }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--bf-text);
  background:
    radial-gradient(1000px 640px at 4% -8%, rgba(121,168,255,.12), transparent 70%),
    radial-gradient(820px 620px at 96% 8%, rgba(77,230,230,.09), transparent 72%),
    var(--bf-bg);
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(232,252,255,.7) 0 1px, transparent 1.35px),
    radial-gradient(circle, rgba(77,230,230,.38) 0 1px, transparent 1.35px),
    linear-gradient(rgba(121,168,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(121,168,255,.025) 1px, transparent 1px);
  background-size: 173px 173px, 257px 257px, 48px 48px, 48px 48px;
  background-position: 29px 41px, 97px 139px, 0 0, 0 0;
  mask-image: linear-gradient(#000, rgba(0,0,0,.55));
  opacity: .55;
}
a { color: inherit; }
img, svg { max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
:where(a,button,input,select,textarea,summary):focus-visible { outline: 2px solid transparent; box-shadow: var(--bf-focus); }
.bf-public-skip {
  position: fixed; top: 10px; left: 12px; z-index: 9999;
  padding: 10px 14px; border-radius: 999px; color: #050914; background: #f4f7fc;
  font-weight: 850; text-decoration: none; transform: translateY(-160%);
}
.bf-public-skip:focus { transform: translateY(0); }
.bf-public-shell { width: var(--bf-shell); margin-inline: auto; }
.bf-public-header {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--bf-border);
  background: rgba(5,9,20,.76); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.bf-public-header__inner {
  min-height: 76px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px;
}
.bf-public-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.bf-public-brand img { width: 38px; height: 38px; }
.bf-public-brand span { display: grid; gap: 1px; }
.bf-public-brand strong { font-family: "Inter Tight", Inter, sans-serif; font-size: .98rem; }
.bf-public-brand small { color: var(--bf-muted); font-size: .68rem; letter-spacing: .04em; }
.bf-public-nav { display: flex; justify-content: center; gap: 5px; }
.bf-public-nav a, .bf-public-header__cta {
  min-height: 44px; display: inline-flex; align-items: center; padding: 9px 13px;
  border-radius: 999px; color: var(--bf-muted); text-decoration: none; font-size: .76rem; font-weight: 760;
}
.bf-public-nav a:hover { color: var(--bf-text); background: rgba(255,255,255,.035); }
.bf-public-header__cta { color: #050914; background: linear-gradient(135deg, #dffbff, #79a8ff); }
.bf-public-menu { display: none; }
.bf-public-hero { position: relative; padding: clamp(82px, 10vw, 132px) 0 76px; }
.bf-public-hero::after {
  content: ""; position: absolute; right: -180px; top: -80px; width: 680px; height: 680px; z-index: -1;
  background: url('../first-design/optimized/first-bookfels-desktop.webp') center/cover no-repeat;
  opacity: .12; filter: saturate(.8); mask-image: radial-gradient(circle, #000 25%, transparent 70%);
}
.bf-public-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--bf-cyan); font-size: .72rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.bf-public-kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--bf-cyan); box-shadow: 0 0 16px rgba(77,230,230,.75); }
.bf-public-hero h1 { max-width: 900px; margin: 18px 0; font-family: "Inter Tight", Inter, sans-serif; font-size: clamp(2.65rem, 7vw, 6.5rem); line-height: .94; letter-spacing: -.058em; }
.bf-public-hero h1 em { display: block; color: transparent; font-style: normal; background: linear-gradient(100deg,#79a8ff,#c8f8ff 62%,#4de6e6); -webkit-background-clip:text; background-clip:text; }
.bf-public-lead { max-width: 780px; margin: 0; color: var(--bf-muted); font-size: clamp(1.02rem,1.6vw,1.18rem); line-height: 1.75; }
.bf-public-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.bf-public-chip { display: inline-flex; align-items: center; min-height: 36px; padding: 7px 11px; border: 1px solid var(--bf-border); border-radius: 999px; color: var(--bf-muted); background: rgba(255,255,255,.025); font-size: .72rem; font-weight: 750; }
.bf-public-chip[data-tone="success"] { color: #7ff0b4; border-color: rgba(67,217,140,.2); }
.bf-public-chip[data-tone="warning"] { color: #f8d486; border-color: rgba(248,193,90,.2); }
.bf-public-main { padding-bottom: 110px; }
.bf-public-section { padding: 54px 0; }
.bf-public-section + .bf-public-section { border-top: 1px solid rgba(255,255,255,.045); }
.bf-public-section__head { max-width: 820px; margin-bottom: 28px; }
.bf-public-section__head span { color: var(--bf-cyan); font-size: .7rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.bf-public-section__head h2 { margin: 11px 0 12px; font-family: "Inter Tight", Inter, sans-serif; font-size: clamp(1.9rem,4vw,3.8rem); line-height: 1; letter-spacing: -.045em; }
.bf-public-section__head p { margin: 0; color: var(--bf-muted); line-height: 1.72; }
.bf-public-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.bf-public-grid--2 { grid-template-columns: repeat(2,minmax(0,1fr)); }
.bf-public-card {
  min-width: 0; padding: 23px; border: 1px solid var(--bf-border); border-radius: var(--bf-radius);
  background: linear-gradient(145deg,rgba(255,255,255,.035),rgba(255,255,255,.012)),var(--bf-glass);
  box-shadow: var(--bf-shadow); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.bf-public-card > span { color: var(--bf-cyan); font-size: .66rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.bf-public-card h3 { margin: 12px 0 9px; font-family: "Inter Tight",Inter,sans-serif; font-size: 1.28rem; letter-spacing: -.025em; }
.bf-public-card p, .bf-public-card li { color: var(--bf-muted); line-height: 1.65; }
.bf-public-card ul { margin: 12px 0 0; padding-left: 19px; }
.bf-public-card a { display: inline-flex; align-items: center; min-height: 42px; margin-top: 14px; color: var(--bf-cyan); font-weight: 800; text-decoration: none; }
.bf-public-notice { padding: 22px; border: 1px solid rgba(248,193,90,.2); border-radius: var(--bf-radius); background: linear-gradient(135deg,rgba(248,193,90,.06),rgba(255,255,255,.01)); }
.bf-public-notice strong { display:block; margin-bottom:7px; color:#f8d486; }
.bf-public-notice p { margin:0; color:var(--bf-muted); line-height:1.65; }
.bf-public-flow { display: grid; gap: 10px; counter-reset: step; }
.bf-public-flow > div { display:grid; grid-template-columns:44px 1fr; gap:14px; align-items:start; padding:17px; border:1px solid var(--bf-border); border-radius:18px; background:rgba(255,255,255,.02); }
.bf-public-flow > div::before { counter-increment:step; content:counter(step); width:38px; height:38px; display:grid; place-items:center; border-radius:12px; color:#050914; background:linear-gradient(135deg,#dffbff,#79a8ff); font-weight:900; }
.bf-public-flow h3 { margin:0 0 5px; font-size:1rem; }
.bf-public-flow p { margin:0; color:var(--bf-muted); line-height:1.6; }
.bf-public-pricing { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.bf-public-price strong { display:block; margin:16px 0 3px; font-family:"Inter Tight",Inter,sans-serif; font-size:2rem; }
.bf-public-price small { color:var(--bf-muted); }
.bf-public-table { width:100%; border-collapse:collapse; border:1px solid var(--bf-border); border-radius:18px; overflow:hidden; background:rgba(255,255,255,.018); }
.bf-public-table th,.bf-public-table td { padding:14px 16px; border-bottom:1px solid var(--bf-border); text-align:left; vertical-align:top; }
.bf-public-table th { color:var(--bf-text); font-size:.78rem; }
.bf-public-table td { color:var(--bf-muted); font-size:.86rem; line-height:1.55; }
.bf-public-form { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.bf-public-field { display:grid; gap:7px; }
.bf-public-field--full { grid-column:1/-1; }
.bf-public-field label { color:var(--bf-muted); font-size:.76rem; font-weight:750; }
.bf-public-field input,.bf-public-field select,.bf-public-field textarea { width:100%; min-height:48px; padding:12px 14px; border:1px solid var(--bf-border); border-radius:14px; color:var(--bf-text); background:#080f1c; }
.bf-public-field textarea { min-height:140px; resize:vertical; }
.bf-public-actions { display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.bf-public-button { min-height:48px; display:inline-flex; align-items:center; justify-content:center; padding:11px 18px; border:1px solid rgba(121,168,255,.22); border-radius:999px; color:#050914; background:linear-gradient(135deg,#dffbff,#79a8ff); font-weight:850; text-decoration:none; cursor:pointer; }
.bf-public-button--ghost { color:var(--bf-text); background:rgba(255,255,255,.025); border-color:var(--bf-border); }
.bf-public-button[disabled] { opacity:.55; cursor:not-allowed; }
.bf-public-status { margin-top:14px; color:var(--bf-muted); font-size:.8rem; }
.bf-public-footer { border-top:1px solid var(--bf-border); background:rgba(3,7,15,.82); }
.bf-public-footer__top { display:grid; grid-template-columns:1.2fr 2fr; gap:38px; padding:55px 0 38px; }
.bf-public-footer__brand p { color:var(--bf-muted); line-height:1.65; }
.bf-public-footer__nav { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.bf-public-footer__nav h3 { margin:0 0 12px; font-size:.8rem; }
.bf-public-footer__nav ul { list-style:none; margin:0; padding:0; display:grid; gap:8px; }
.bf-public-footer__nav a { color:var(--bf-muted); font-size:.76rem; text-decoration:none; }
.bf-public-footer__legal { padding:20px 0 30px; border-top:1px solid var(--bf-border); color:var(--bf-muted); font-size:.72rem; line-height:1.55; }
.bf-public-footer__legal strong { color:var(--bf-text); }
.bf-public-route-state { display:inline-flex; margin-top:14px; padding:6px 9px; border-radius:999px; border:1px solid rgba(248,193,90,.18); color:#f8d486; font-size:.68rem; font-weight:800; }
@media (max-width: 900px) {
  .bf-public-nav { display:none; }
  .bf-public-header__inner { grid-template-columns:auto 1fr auto; }
  .bf-public-menu { display:inline-flex; min-width:44px; min-height:44px; align-items:center; justify-content:center; border:1px solid var(--bf-border); border-radius:14px; color:var(--bf-text); background:rgba(255,255,255,.025); }
  .bf-public-header[data-open="true"] .bf-public-nav { position:absolute; top:76px; left:16px; right:16px; display:grid; padding:12px; border:1px solid var(--bf-border); border-radius:20px; background:rgba(5,9,20,.97); box-shadow:var(--bf-shadow); }
  .bf-public-header[data-open="true"] .bf-public-nav a { justify-content:flex-start; }
  .bf-public-grid,.bf-public-pricing { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .bf-public-footer__top { grid-template-columns:1fr; }
}
@media (max-width: 620px) {
  :root { --bf-shell:min(100% - 22px,1180px); }
  .bf-public-header__cta { display:none; }
  .bf-public-brand small { display:none; }
  .bf-public-hero { padding:68px 0 52px; }
  .bf-public-hero h1 { font-size:clamp(2.35rem,13vw,4rem); }
  .bf-public-grid,.bf-public-grid--2,.bf-public-pricing,.bf-public-form { grid-template-columns:1fr; }
  .bf-public-field--full { grid-column:auto; }
  .bf-public-table { display:block; overflow-x:auto; }
  .bf-public-footer__nav { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation:none!important; transition:none!important; scroll-behavior:auto!important; } }
@media (forced-colors: active) { * { box-shadow:none!important; } body::before,.bf-public-hero::after { display:none; } }