:root {
  --bg: #07111d;
  --bg-2: #0d1a2b;
  --panel: rgba(12, 24, 39, 0.84);
  --panel-strong: rgba(15, 28, 46, 0.96);
  --text: #f4f1ea;
  --muted: #b9c5d6;
  --accent: #d4ad5f;
  --accent-2: #67d1c8;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 26px 64px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(212, 173, 95, 0.16), transparent 26%),
    radial-gradient(circle at 90% 12%, rgba(103, 209, 200, 0.14), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, #050b13 100%);
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.34), transparent 88%);
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: #f7ddaa; }

.wrap {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 32px rgba(103, 209, 200, 0.18);
}
.brand h1 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0.03em;
}
.brand small {
  display: block;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--muted);
  font-size: 0.95rem;
}
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); }

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  padding: 16px 0 10px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.hero-copy {
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 700;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
}
h2.hero-title {
  margin: 14px 0 14px;
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
  max-width: 12ch;
}
.lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 60ch;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  color: #0d1622;
  background: linear-gradient(135deg, var(--accent), #f6d89a);
}
.btn.secondary {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.03);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.chip {
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-side {
  padding: 18px;
  display: grid;
  gap: 14px;
}
.signal-board {
  min-height: 332px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(12, 20, 33, 0.08), rgba(12, 20, 33, 0.84)),
    radial-gradient(circle at 18% 18%, rgba(103, 209, 200, 0.32), transparent 22%),
    radial-gradient(circle at 82% 22%, rgba(212, 173, 95, 0.34), transparent 20%),
    linear-gradient(135deg, #13253d, #0a1627 68%, #08101b);
  position: relative;
  overflow: hidden;
}
.signal-board::before,
.signal-board::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(2px);
}
.signal-board::before {
  width: 220px;
  height: 220px;
  background: rgba(103, 209, 200, 0.18);
  top: -30px;
  right: -40px;
}
.signal-board::after {
  width: 180px;
  height: 180px;
  background: rgba(212, 173, 95, 0.16);
  bottom: -50px;
  left: -30px;
}
.signal-card {
  position: absolute;
  inset: auto 18px 18px 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.signal {
  background: rgba(7, 16, 28, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 14px;
}
.signal strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.signal p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.stat {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 14px;
}
.stat strong {
  display: block;
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

.section {
  padding: 24px 0 8px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin: 30px 0 16px;
}
.section-head h3 {
  margin: 0;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}
.section-head p { margin: 0; color: var(--muted); max-width: 60ch; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.card {
  padding: 24px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.card h4 { margin: 0 0 10px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }
.card .tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(103, 209, 200, 0.08);
  color: var(--accent-2);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.feature-list {
  display: grid;
  gap: 14px;
}
.feature {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
}
.feature strong { display: block; margin-bottom: 4px; }
.icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(212, 173, 95, 0.22), rgba(103, 209, 200, 0.18));
  display: grid;
  place-items: center;
  color: var(--accent);
  font-weight: 800;
}

.content-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.toc, .info-box {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  padding: 22px;
}
.toc ol { margin: 12px 0 0 1.2rem; color: var(--muted); }
.toc li { margin-bottom: 0.55rem; }

.article {
  padding: 36px 0 16px;
}
.article h1 {
  margin: 0 0 12px;
  font-size: clamp(2.3rem, 4vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}
.article .meta {
  color: var(--muted);
  font-size: 0.92rem;
}
.article h2 {
  margin: 2rem 0 0.8rem;
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}
.article h3 {
  margin: 1.5rem 0 0.6rem;
  font-size: 1.18rem;
}
.article p, .article li {
  color: rgba(244, 241, 234, 0.92);
  line-height: 1.72;
  font-size: 1.02rem;
}
.article ul, .article ol {
  margin: 0.7rem 0 1.2rem 1.2rem;
}
.article blockquote {
  margin: 1.2rem 0;
  padding: 16px 18px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 0 16px 16px 0;
  color: var(--muted);
}

.cta {
  background: linear-gradient(135deg, rgba(212, 173, 95, 0.16), rgba(103, 209, 200, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 24px;
  margin: 26px 0 10px;
  text-align: center;
}
.cta strong {
  display: block;
  font-size: 1.18rem;
  margin-bottom: 8px;
}
.cta p { color: var(--muted); margin: 0 0 14px; }

.faq-list {
  display: grid;
  gap: 14px;
}
.faq-item {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 18px;
}
.faq-item h4 { margin: 0 0 8px; font-size: 1.05rem; }
.faq-item p { margin: 0; color: var(--muted); }

footer {
  margin-top: 38px;
  padding: 26px 0 40px;
  color: var(--muted);
  font-size: 0.88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}
.footer-grid h4 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 0.98rem;
}
.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-grid li { margin-bottom: 8px; }
.footer-meta {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

.small-print {
  font-size: 0.8rem;
  color: rgba(185, 197, 214, 0.88);
}

@media (max-width: 960px) {
  .hero, .content-wrap, .grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-side { order: -1; }
  .section-head { align-items: start; flex-direction: column; }
}

@media (max-width: 720px) {
  header { flex-direction: column; align-items: start; }
  .hero-copy, .card, .toc, .info-box, .article, .cta { padding: 20px; }
  .signal-card { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
}