:root {
  --color-bg: #07111f;
  --color-bg-soft: #0e1b2f;
  --color-surface: #10223a;
  --color-surface-strong: #152c47;
  --color-card: rgba(16, 34, 58, 0.78);
  --color-line: rgba(156, 219, 255, 0.18);
  --color-primary: #21d4fd;
  --color-primary-2: #19f6a2;
  --color-accent: #ffb84d;
  --color-danger: #ff5c7a;
  --color-text: #eaf6ff;
  --color-muted: #9fb4c7;
  --color-link: #7ee8ff;
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.28);
  --shadow-neon: 0 0 0 1px rgba(33, 212, 253, 0.16), 0 18px 48px rgba(33, 212, 253, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1160px;
  --font-main: Inter, Manrope, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: Manrope, Inter, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(33, 212, 253, 0.12), transparent 34rem),
    radial-gradient(circle at 82% 16%, rgba(25, 246, 162, 0.10), transparent 30rem),
    linear-gradient(180deg, var(--color-bg) 0%, #081421 54%, #050b13 100%);
  line-height: 1.65;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-primary-2); }
p { margin: 0 0 1rem; color: var(--color-muted); }
ul, ol { color: var(--color-muted); padding-left: 1.2rem; }
strong { color: var(--color-text); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 20;
  padding: .7rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-primary-2);
  color: #06111c;
  font-weight: 800;
}
.skip-link:focus { left: 12px; }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-line);
  background: rgba(7, 17, 31, 0.82);
  backdrop-filter: blur(18px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 0;
}
.logo { display: inline-flex; align-items: center; min-width: 154px; }
.logo img { width: 168px; height: auto; }
.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: .62rem .85rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--color-muted);
  font-weight: 700;
  font-size: .94rem;
}
.nav-link:hover,
.nav-link[aria-current="page"] {
  border-color: rgba(33, 212, 253, .24);
  background: rgba(33, 212, 253, .08);
  color: var(--color-text);
}

.hero {
  position: relative;
  padding: 5.4rem 0 3.6rem;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 4rem auto auto 50%;
  width: 42rem;
  height: 42rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(33, 212, 253, .14), transparent 68%);
  pointer-events: none;
  transform: translateX(-8%);
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .9fr);
  align-items: center;
  gap: 3rem;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1rem;
  padding: .42rem .74rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-primary-2);
  background: rgba(25, 246, 162, .07);
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: .52rem;
  height: .52rem;
  border-radius: 50%;
  background: var(--color-primary-2);
  box-shadow: 0 0 16px var(--color-primary-2);
}
h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  margin: 0;
  color: var(--color-text);
  letter-spacing: -0.035em;
}
h1 { font-size: clamp(2.35rem, 5.3vw, 5rem); max-width: 920px; }
h2 { font-size: clamp(1.8rem, 3.4vw, 3rem); margin-bottom: 1rem; }
h3 { font-size: 1.18rem; margin-bottom: .55rem; letter-spacing: -0.02em; }
.lead { font-size: clamp(1.05rem, 1.7vw, 1.28rem); max-width: 680px; margin-top: 1.2rem; }
.hero-card {
  position: relative;
  border: 1px solid var(--color-line);
  border-radius: 34px;
  padding: .7rem;
  background: linear-gradient(145deg, rgba(33, 212, 253, .12), rgba(25, 246, 162, .04));
  box-shadow: var(--shadow-soft);
}
.hero-card img { border-radius: 28px; }
.scan-note {
  position: absolute;
  right: 1.5rem;
  bottom: 1.5rem;
  max-width: 260px;
  padding: 1rem;
  border: 1px solid rgba(25, 246, 162, .32);
  border-radius: 20px;
  background: rgba(7, 17, 31, .82);
  color: var(--color-text);
  box-shadow: var(--shadow-neon);
}
.scan-note span { display: block; color: var(--color-primary-2); font-family: var(--font-mono); font-size: .78rem; margin-bottom: .35rem; }
.hero-actions, .section-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.55rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: .84rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(33, 212, 253, .28);
  font-weight: 800;
  color: var(--color-text);
  background: rgba(255, 255, 255, .04);
  box-shadow: 0 12px 32px rgba(0,0,0,.18);
}
.btn:hover { transform: translateY(-1px); color: var(--color-text); border-color: rgba(25, 246, 162, .45); }
.btn-primary {
  color: #06111c;
  border: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
}
.btn-accent {
  color: #150f03;
  border: 0;
  background: linear-gradient(135deg, var(--color-accent), #ffd48a);
}
.btn-ghost { background: rgba(14, 27, 47, .72); }

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .9rem;
  margin-top: 2rem;
}
.stat {
  padding: 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(16, 34, 58, .54);
}
.stat b { display: block; color: var(--color-text); font-size: 1.35rem; line-height: 1.1; }
.stat span { color: var(--color-muted); font-size: .9rem; }

.section { padding: 4.1rem 0; }
.section-tight { padding: 2.8rem 0; }
.section-head { max-width: 790px; margin-bottom: 2rem; }
.kicker { color: var(--color-primary); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; margin-bottom: .7rem; }
.grid { display: grid; gap: 1.1rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  position: relative;
  padding: 1.35rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(21, 44, 71, .74), rgba(16, 34, 58, .58));
  box-shadow: 0 12px 38px rgba(0,0,0,.18);
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(33, 212, 253, .10), transparent 42%);
  pointer-events: none;
}
.card > * { position: relative; }
.card-icon {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 15px;
  color: #06111c;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  font-weight: 900;
}
.card-link { display: inline-flex; margin-top: .7rem; font-weight: 800; }
.feature-band {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 1.4rem;
  align-items: center;
  padding: 1.2rem;
  border: 1px solid var(--color-line);
  border-radius: 36px;
  background: rgba(16, 34, 58, .42);
}
.feature-band img { border-radius: 28px; border: 1px solid var(--color-line); }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.check-list li {
  position: relative;
  padding-left: 2rem;
  color: var(--color-muted);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: .05rem;
  width: 1.3rem;
  height: 1.3rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(25, 246, 162, .12);
  color: var(--color-primary-2);
  font-size: .85rem;
  font-weight: 900;
}
.warning {
  padding: 1rem 1.15rem;
  border: 1px solid rgba(255, 184, 77, .34);
  border-radius: var(--radius-md);
  background: rgba(255, 184, 77, .08);
  color: #ffe1aa;
}

.steps { counter-reset: step; display: grid; gap: 1rem; }
.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: rgba(16, 34, 58, .55);
}
.step::before {
  content: counter(step, decimal-leading-zero);
  width: 3.1rem;
  height: 3.1rem;
  display: grid;
  place-items: center;
  border-radius: 17px;
  color: #06111c;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  font-family: var(--font-mono);
  font-weight: 900;
}

.table-wrap { overflow-x: auto; border: 1px solid var(--color-line); border-radius: var(--radius-lg); background: rgba(16, 34, 58, .54); }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 1rem; text-align: left; border-bottom: 1px solid var(--color-line); vertical-align: top; }
th { color: var(--color-text); background: rgba(33, 212, 253, .08); }
td { color: var(--color-muted); }
tr:last-child td { border-bottom: 0; }

.faq details {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(16, 34, 58, .58);
  padding: 1rem 1.1rem;
}
.faq details + details { margin-top: .8rem; }
.faq summary { cursor: pointer; color: var(--color-text); font-weight: 800; }
.faq p { margin-top: .75rem; }

.breadcrumbs { padding-top: 1.2rem; color: var(--color-muted); font-size: .92rem; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; padding: 0; margin: 0; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: .45rem; color: rgba(159,180,199,.5); }

.form-card form { display: grid; gap: .85rem; }
label { display: grid; gap: .35rem; color: var(--color-text); font-weight: 800; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  padding: .9rem 1rem;
  color: var(--color-text);
  background: rgba(7, 17, 31, .72);
  font: inherit;
}
textarea { min-height: 136px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid rgba(33, 212, 253, .48); outline-offset: 2px; }
.form-note { font-size: .9rem; color: var(--color-muted); }

.cta-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid rgba(33, 212, 253, .24);
  border-radius: 32px;
  background:
    radial-gradient(circle at top right, rgba(25, 246, 162, .13), transparent 38%),
    linear-gradient(135deg, rgba(21,44,71,.92), rgba(16,34,58,.62));
  box-shadow: var(--shadow-neon);
}
.cta-panel p { margin: .6rem 0 0; }

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--color-line);
  background: rgba(3, 8, 14, .55);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr .7fr .7fr;
  gap: 1.5rem;
  padding: 2rem 0;
}
.footer-title { color: var(--color-text); font-weight: 900; margin-bottom: .65rem; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 1.5rem;
  color: var(--color-muted);
  font-size: .92rem;
}

@media (max-width: 900px) {
  .header-inner { align-items: flex-start; flex-direction: column; }
  .nav-list { justify-content: flex-start; }
  .hero { padding-top: 3.5rem; }
  .hero-grid, .feature-band, .cta-panel { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 24px, var(--container)); }
  .logo img { width: 150px; }
  .nav-link { padding: .52rem .7rem; font-size: .88rem; }
  .hero { padding: 2.4rem 0 2rem; }
  .grid-2, .grid-3, .stats { grid-template-columns: 1fr; }
  .scan-note { position: static; margin-top: .8rem; max-width: none; }
  .section { padding: 3rem 0; }
  .card, .step, .cta-panel { border-radius: 22px; }
  .step { grid-template-columns: 1fr; }
  .footer-grid, .footer-bottom { grid-template-columns: 1fr; display: grid; }
}