:root {
  --bg: #06131F;
  --surface: #0B1F2E;
  --surface-alt: #153247;
  --accent: #13C7C3;
  --accent-soft: #44DDD8;
  --text: #F5FAFC;
  --muted: #A8BBC6;
  --border: #173547;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 19, 31, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  height: 44px;
  max-width: 260px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 10px;
  background: var(--accent);
  color: #031016;
  font-weight: 800;
  border: 1px solid var(--accent);
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  transform: translateY(-1px);
}

.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(19, 199, 195, 0.06);
}

.hero {
  padding: 92px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 58px;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
}

h1 {
  font-size: clamp(44px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin: 18px 0 24px;
}

h2 {
  font-size: clamp(32px, 5vw, 52px);
  letter-spacing: -0.035em;
  margin: 0 0 16px;
}

.accent {
  color: var(--accent);
}

.lede {
  font-size: 21px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 680px;
}

.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.panel {
  border: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    #0B2233 0%,
    #071722 100%
  );
  border-radius: 24px;
  padding: 26px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.panel strong {
  font-size: 18px;
}

.thread {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.bubble {
  max-width: 86%;
  padding: 14px 16px;
  border-radius: 18px;
  line-height: 1.35;
}

.bubble.in,
.in {
  background: var(--surface-alt);
  color: var(--text);
}

.bubble.out,
.out {
  background: var(--accent);
  color: #031016;
  margin-left: auto;
}

.note {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  margin-top: 16px;
}

.section {
  padding: 78px 0;
  border-top: 1px solid var(--border);
}

.section-copy {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
  max-width: 760px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
}

.card strong {
  display: block;
  font-size: 19px;
  margin-bottom: 9px;
}

.card p {
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.offer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 34px;
  border: 1px solid var(--accent);
  border-radius: 22px;
  background: #092130;
}

.price {
  font-size: 52px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

footer {
  padding: 36px 0 52px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

::selection {
  background: var(--accent);
  color: #031016;
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 60px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .offer {
    align-items: flex-start;
    flex-direction: column;
  }

  .logo {
    height: 38px;
    max-width: 220px;
  }
}