:root {
  color-scheme: dark;
  --navy-950: #07111f;
  --navy-900: #0b1828;
  --navy-800: #11233a;
  --navy-700: #1c3552;
  --gold: #e7bd69;
  --gold-light: #f3d996;
  --aqua: #74dfc2;
  --text: #f6f7f8;
  --muted: #b7c5d5;
  --subtle: #8394a8;
  --line: rgba(189, 207, 226, .14);
  --surface: rgba(15, 32, 52, .78);
  --danger: #ff9a9a;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(ellipse at 68% -12%, rgba(52, 94, 135, .32), transparent 46rem),
    linear-gradient(160deg, var(--navy-900), var(--navy-950) 68%);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a, input, textarea { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 31, .88);
  backdrop-filter: blur(18px);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: .98rem; font-weight: 850; letter-spacing: .1em; }
.brand-mark {
  display: grid;
  width: 36px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(231, 189, 105, .58);
  border-radius: 12px;
  color: var(--gold-light);
  background: linear-gradient(145deg, rgba(231, 189, 105, .18), rgba(116, 223, 194, .08));
  font-family: Georgia, serif;
  font-size: 1.25rem;
}
.nav-links { display: flex; align-items: center; gap: 25px; color: var(--muted); font-size: .9rem; }
.nav-links a:hover, .footer a:hover { color: var(--gold-light); }
.nav-actions { display: flex; align-items: center; gap: 11px; }
.menu-toggle { display: none; color: var(--text); border: 0; background: none; font-size: 1.35rem; }
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--navy-950);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  font-weight: 760;
  cursor: pointer;
  transition: filter .16s ease, transform .16s ease, border-color .16s ease;
}
.button:hover { filter: brightness(1.06); transform: translateY(-1px); }
.button:disabled { opacity: .58; cursor: wait; transform: none; }
.button.secondary { color: var(--text); background: rgba(255,255,255,.035); border-color: var(--line); }
.button.small { min-height: 39px; padding: 7px 13px; font-size: .88rem; }
.eyebrow {
  display: inline-flex;
  padding: 6px 11px;
  border: 1px solid rgba(231, 189, 105, .26);
  border-radius: 99px;
  color: var(--gold-light);
  background: rgba(231, 189, 105, .08);
  font-size: .74rem;
  font-weight: 750;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.hero { padding: 92px 0 74px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(310px, .85fr); align-items: center; gap: 72px; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; margin: 20px 0 19px; font-size: clamp(2.5rem, 5.2vw, 4.65rem); line-height: 1.04; letter-spacing: -.055em; }
h1 em { color: var(--gold-light); font-style: normal; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.7rem); line-height: 1.14; letter-spacing: -.035em; }
h3 { line-height: 1.25; }
.lead { max-width: 620px; color: var(--muted); font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
.hero-note { margin: 15px 0 0; color: var(--subtle); font-size: .84rem; }
.preview {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(231,189,105,.24);
  border-radius: 22px;
  background: linear-gradient(150deg, rgba(21,42,66,.96), rgba(10,24,40,.88));
  box-shadow: 0 25px 90px rgba(0,0,0,.24);
}
.preview-top { display: flex; align-items: center; gap: 14px; padding-bottom: 19px; border-bottom: 1px solid var(--line); }
.avatar { display: grid; width: 45px; aspect-ratio: 1; place-items: center; border-radius: 50%; color: var(--navy-950); background: var(--aqua); font-weight: 850; }
.preview-top p { margin: 3px 0 0; color: var(--muted); font-size: .84rem; }
.online { margin-left: auto; width: 8px; height: 8px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 5px rgba(116,223,194,.1); }
.preview-amount { margin: 24px 0 3px; font-size: 2rem; font-weight: 820; letter-spacing: -.04em; }
.preview-label { color: var(--subtle); font-size: .82rem; }
.split-line { display: flex; justify-content: space-between; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .89rem; }
.split-line strong { color: var(--text); }
.section { padding: 75px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 680px; margin-bottom: 30px; }
.section-heading p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.feature {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(15,32,52,.56);
}
.feature-icon { display: grid; width: 42px; aspect-ratio: 1; place-items: center; margin-bottom: 17px; border-radius: 12px; color: var(--gold-light); background: rgba(231,189,105,.1); font-size: 1.15rem; }
.feature p { margin: 0; color: var(--muted); font-size: .94rem; }
.split-callout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: center;
  padding: 29px;
  border: 1px solid rgba(116,223,194,.2);
  border-radius: 18px;
  background: linear-gradient(115deg, rgba(14,48,57,.58), rgba(15,32,52,.75));
}
.split-callout p { max-width: 690px; margin: 0; color: var(--muted); }
.split-callout strong { color: var(--aqua); }
.footer { padding: 40px 0 32px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.footer h3 { margin-bottom: 11px; color: var(--text); font-size: .91rem; }
.footer p, .footer li { color: var(--subtle); font-size: .84rem; }
.footer ul { display: grid; gap: 7px; padding: 0; margin: 0; list-style: none; }
.copyright { padding-top: 20px; margin-top: 24px; border-top: 1px solid var(--line); color: var(--subtle); font-size: .78rem; }
.page { padding: 60px 0 86px; }
.page-head { max-width: 760px; margin-bottom: 34px; }
.page-head p { color: var(--muted); }
.panel {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface);
}
.content { max-width: 820px; }
.content h2 { margin-top: 35px; font-size: 1.45rem; }
.content p, .content li { color: var(--muted); }
.content li { margin: 8px 0; }
.form-panel { width: min(100%, 520px); margin-inline: auto; }
.form-panel h1 { font-size: 2.25rem; }
.field { display: grid; gap: 7px; margin: 16px 0; }
.field label { color: var(--muted); font-size: .88rem; font-weight: 650; }
.field input, .field textarea, .field select {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid rgba(189,207,226,.2);
  border-radius: 9px;
  color: var(--text);
  background: rgba(3,12,22,.55);
}
.field textarea { min-height: 100px; resize: vertical; }
.form-help { margin: 14px 0 0; color: var(--subtle); font-size: .84rem; }
.form-message { min-height: 24px; margin: 12px 0 0; color: var(--aqua); font-size: .9rem; }
.form-message.error { color: var(--danger); }
.form-panel .button { width: 100%; margin-top: 5px; }
.notice {
  padding: 14px 16px;
  border: 1px solid rgba(231,189,105,.26);
  border-radius: 10px;
  color: var(--gold-light);
  background: rgba(231,189,105,.07);
}
.notice.success { border-color: rgba(116,223,194,.25); color: var(--aqua); background: rgba(116,223,194,.06); }
.notice.error { border-color: rgba(255,154,154,.25); color: var(--danger); background: rgba(255,154,154,.06); }
.space-top { margin-top: 15px; }
.space-top-md { margin-top: 18px; }
.space-top-lg { margin-top: 22px; }
.space-top-xl { margin-top: 26px; }
.space-bottom-sm { margin-bottom: 12px; }
.spacer { height: 16px; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.metric-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin: 25px 0; }
.metric { padding: 19px; border: 1px solid var(--line); border-radius: 14px; background: rgba(15,32,52,.62); }
.metric span { display: block; color: var(--muted); font-size: .8rem; }
.metric strong { display: block; margin-top: 6px; font-size: 1.55rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-size: .78rem; }
td { color: var(--text); }
.muted { color: var(--muted); }
.small { font-size: .84rem; }
.stack { display: grid; gap: 14px; }
.inline-form { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.inline-form .field { flex: 1; min-width: 150px; margin: 0; }
.inline-form .button { margin-bottom: 0; }
progress { display: block; width: 100%; height: 12px; margin: 18px 0 10px; accent-color: var(--aqua); }
.benefit-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.benefit-item { min-width: 0; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: rgba(3,12,22,.35); }
.benefit-item h3, .benefit-item h4 { margin: 0 0 8px; color: var(--gold-light); font-size: 1rem; }
.benefit-item p { margin: 6px 0; color: var(--muted); }
summary { color: var(--gold-light); font-weight: 700; cursor: pointer; }
.field input[type="range"] { padding-inline: 0; accent-color: var(--aqua); }
.status { color: var(--aqua); font-weight: 700; }
.hidden { display: none !important; }
@media (max-width: 860px) {
  .nav-links { display: none; position: absolute; top: 75px; right: 0; left: 0; padding: 20px; border-bottom: 1px solid var(--line); background: var(--navy-950); }
  .nav-links.open { display: grid; gap: 15px; }
  .menu-toggle { display: inline-flex; }
  .nav-actions .button.secondary { display: none; }
  .hero { padding-top: 65px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .preview { max-width: 560px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .container { width: min(100% - 30px, 1120px); }
  .nav { min-height: 68px; }
  .nav-links { top: 67px; }
  .brand { font-size: .85rem; }
  .nav-actions .button { min-height: 39px; padding: 7px 11px; font-size: .82rem; }
  .hero { padding: 51px 0 54px; }
  h1 { font-size: clamp(2.35rem, 12vw, 3.5rem); }
  .lead { font-size: 1rem; }
  .hero-actions .button { width: 100%; }
  .feature-grid, .two-column, .metric-grid, .footer-grid, .benefit-list { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .split-callout { grid-template-columns: 1fr; padding: 22px; }
  .page { padding: 42px 0 62px; }
  .panel { padding: 20px; }
  .metric-grid { gap: 10px; }
  .metric strong { font-size: 1.35rem; }
  .footer-grid { gap: 22px; }
}
