:root {
  --bg: #0b111c;
  --bg-2: #0d1521;
  --panel: #111a27;
  --panel-2: #152131;
  --line: rgba(202, 216, 221, .12);
  --line-strong: rgba(202, 216, 221, .22);
  --ink: #f5f7f2;
  --muted: #9aa4b0;
  --faint: #63707e;
  --lime: #d9ff55;
  --lime-dark: #a9cf33;
  --orange: #ff8c58;
  --sky: #66c9ff;
  --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --display: 'Syne', 'DM Sans', -apple-system, sans-serif;
  --mono: 'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --radius: 14px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--lime); text-decoration: none; }
a:hover { color: #e9ff8c; }
img { max-width: 100%; height: auto; }

:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.05em; line-height: 1.04; margin: 0 0 .5em; }
h1 { font-size: clamp(38px, 6vw, 66px); letter-spacing: -.06em; }
h2 { font-size: clamp(27px, 3.6vw, 40px); }
h3 { font-size: 20px; letter-spacing: -.03em; }
p { margin: 0 0 1em; }
.lime { color: var(--lime); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--lime); color: #10161f; }
.btn-primary:hover { background: #e9ff8c; color: #10161f; }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); background: rgba(255, 255, 255, .02); }
.btn-ghost:hover { border-color: var(--lime-dark); background: rgba(217, 255, 85, .06); color: var(--ink); }
.btn-lg { min-height: 54px; padding: 0 28px; font-size: 15px; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 17, 28, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); }
.brand-mark { display: flex; align-items: flex-end; gap: 3px; height: 26px; transform: skew(-16deg); }
.brand-mark i { display: block; width: 6px; border-radius: 2px; background: var(--lime); }
.brand-mark i:nth-child(1) { height: 14px; opacity: .7; }
.brand-mark i:nth-child(2) { height: 20px; }
.brand-mark i:nth-child(3) { height: 26px; opacity: .85; }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 15px; line-height: .82; letter-spacing: -.04em; }
.brand-name em { font-style: normal; color: var(--lime); }
.brand-name b { display: block; font-size: 19px; letter-spacing: -.06em; }
.nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav a { color: var(--muted); font-size: 14px; font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--ink); }
.nav-signin-mobile { display: none; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 42px; height: 42px; margin-left: auto; border: 1px solid var(--line-strong); border-radius: 8px; background: transparent; color: var(--ink); font-size: 18px; cursor: pointer; }

/* sections */
main { display: block; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-tint { background: linear-gradient(180deg, var(--bg), var(--bg-2)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

/* hero */
.hero { position: relative; padding: 92px 0 84px; overflow: hidden; }
.hero::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -140px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(217, 255, 85, .16), transparent 62%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 760px; }
.hero h1 { margin-bottom: 22px; }
.hero-sub { font-size: clamp(17px, 2.2vw, 21px); color: var(--muted); margin-bottom: 34px; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-note { margin-top: 20px; color: var(--faint); font-family: var(--mono); font-size: 12px; }

/* grids and cards */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.card .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: rgba(217, 255, 85, .12);
  color: var(--lime);
  font-family: var(--mono);
  font-size: 14px;
}
.card .icon { display: block; margin-bottom: 14px; font-size: 24px; line-height: 1; color: var(--lime); }

/* split panels */
.split { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.split-panel {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(150deg, var(--panel-2), var(--panel) 70%);
}
.split-panel h3 { font-size: 24px; }
.split-panel ul { margin: 18px 0 26px; padding: 0; list-style: none; }
.split-panel li { position: relative; padding: 7px 0 7px 24px; color: var(--muted); font-size: 15px; }
.split-panel li::before { content: '+'; position: absolute; left: 0; color: var(--lime); font-weight: 700; }

/* feature list */
.feature-list { display: grid; gap: 2px; }
.feature-list .row { display: flex; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); }
.feature-list .row:first-child { border-top: 0; }
.feature-list .row .k { flex: 0 0 190px; font-family: var(--display); font-weight: 600; letter-spacing: -.02em; }
.feature-list .row .v { color: var(--muted); font-size: 15px; }

/* pricing */
.price-box {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: linear-gradient(150deg, #172b2a, #111b27 62%);
}
.price-headline { font-family: var(--display); font-size: clamp(26px, 4vw, 38px); font-weight: 700; letter-spacing: -.05em; margin-bottom: 8px; }
.price-box p { color: var(--muted); }
.price-table { width: 100%; margin-top: 26px; border-collapse: collapse; }
.price-table th, .price-table td { padding: 14px 12px; text-align: left; border-top: 1px solid var(--line); font-size: 15px; }
.price-table th { color: var(--faint); font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.price-table td:last-child, .price-table th:last-child { text-align: right; font-family: var(--mono); color: var(--ink); }

/* faq */
.faq-group { margin-bottom: 40px; }
.faq-group h2 { font-size: 22px; margin-bottom: 14px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq summary {
  padding: 18px 20px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -.02em;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--lime); font-size: 20px; line-height: 1; transition: transform .15s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details[open] summary { border-bottom: 1px solid var(--line); }
.faq .answer { padding: 16px 20px 20px; color: var(--muted); font-size: 15px; }
.faq .answer p:last-child { margin-bottom: 0; }

/* forms */
.form { max-width: 560px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--bg-2);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  outline: 0;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--lime-dark); }
.field textarea { min-height: 130px; resize: vertical; }
.field.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-message { margin-top: 14px; font-size: 14px; }
.form-message.ok { color: var(--lime); }
.form-message.err { color: var(--orange); }

/* cta band */
.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: var(--muted); font-size: 17px; margin-bottom: 28px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 64px 0 40px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 34px; margin-bottom: 44px; }
.footer-grid h4 { margin: 0 0 14px; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.footer-grid a { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; }
.footer-grid a:hover { color: var(--ink); }
.footer-blurb { color: var(--muted); font-size: 14px; max-width: 280px; margin-top: 14px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--faint); font-size: 13px; flex-wrap: wrap; }

/* responsive */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2, .split { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .section { padding: 68px 0; }
  .hero { padding: 64px 0 60px; }
  .nav, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; margin-left: 8px; }
  .nav-cta { margin-left: auto; }
  .site-header .container { gap: 10px; }
  .nav.open {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 8px 24px 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }
  .nav.open a { padding: 13px 0; border-top: 1px solid var(--line); }
  .nav.open .nav-signin-mobile { display: block; }
  .feature-list .row { flex-direction: column; gap: 6px; }
  .feature-list .row .k { flex-basis: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .price-box { padding: 26px; }
}
