:root {
  --bg: #0f141b;
  --bg-elevated: #141b24;
  --surface: #1a222e;
  --surface-soft: #202a38;
  --border: #2d394b;
  --border-strong: #3a4a61;
  --text-primary: #e8edf5;
  --text-secondary: #bcc6d4;
  --text-muted: #95a3b8;
  --primary: #3f6fe5;
  --primary-hover: #355fcb;
  --primary-glow: rgba(63, 111, 229, 0.15);
  --hero-glow: radial-gradient(circle at 22% 28%, rgba(63, 111, 229, 0.2) 0%, rgba(63, 111, 229, 0) 58%);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(180deg, var(--bg), #101722 42%, #111b29 100%);
  color: var(--text-primary);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Helvetica Neue",
    Arial,
    sans-serif;
  line-height: 1.5;
}

img {
  display: block;
}

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

.hero-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: var(--hero-glow);
  opacity: 0.9;
  animation: glow-pulse 4s ease-in-out infinite;
  z-index: -1;
}

@keyframes glow-pulse {
  0%,
  100% {
    opacity: 0.7;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.03);
  }
}

.container {
  width: min(1140px, calc(100vw - 40px));
  margin: 0 auto;
}

.section {
  padding: 92px 0;
}

.section-elevated {
  background: linear-gradient(180deg, rgba(32, 42, 56, 0.5), rgba(20, 27, 36, 0.68));
  border-top: 1px solid rgba(58, 74, 97, 0.55);
  border-bottom: 1px solid rgba(58, 74, 97, 0.55);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(0);
  transition: background-color 200ms ease, border-color 200ms ease, backdrop-filter 200ms ease;
}

.site-header.is-scrolled {
  background: rgba(15, 20, 27, 0.74);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(61, 78, 103, 0.6);
}

.nav-shell {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.desktop-nav > a:not(.btn) {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color 180ms ease;
}

.desktop-nav > a:not(.btn):hover {
  color: var(--text-primary);
}

.icon-link {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: rgba(33, 43, 58, 0.5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 160ms ease;
}

.icon-link:hover {
  border-color: rgba(77, 102, 139, 0.95);
  background: rgba(41, 56, 78, 0.55);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.icon-telegram {
  width: 18px;
  height: 18px;
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 10px;
}

.mobile-menu {
  position: fixed;
  inset: 74px 14px auto;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(20, 27, 36, 0.97);
  display: grid;
  gap: 10px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.28);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--text-secondary);
}

.mobile-menu a:not(.btn):hover {
  background: rgba(61, 85, 114, 0.2);
  border-color: rgba(61, 85, 114, 0.5);
  color: var(--text-primary);
}

.mobile-menu .icon-link {
  width: 44px;
  height: 44px;
  border-color: var(--border-strong);
  background: rgba(33, 43, 58, 0.5);
  color: var(--text-secondary);
  justify-self: center;
}

.hero {
  padding-top: 98px;
  min-height: calc(100vh - 74px);
  display: flex;
  align-items: center;
}

.hero-layout {
  max-width: 1120px;
  margin: 0 auto;
}

.hero-copy {
  text-align: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: "IBM Plex Mono", monospace;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2rem, 5.4vw, 3.75rem);
  line-height: 1.06;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  line-height: 1.15;
}

h3 {
  font-size: 1.12rem;
}

.hero-subtext {
  margin: 16px auto 0;
  max-width: 56ch;
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.hero-metrics {
  margin: 22px auto 0;
  max-width: 1100px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-content: center;
  gap: 12px;
}

.hero-metric-card {
  width: 100%;
  max-width: 100%;
  text-align: center;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(77, 101, 138, 0.72);
  background:
    radial-gradient(circle at 10% -24%, rgba(63, 111, 229, 0.2), rgba(63, 111, 229, 0)),
    rgba(22, 31, 44, 0.84);
}

.hero-metric-label {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: "IBM Plex Mono", monospace;
}

.hero-metric-value {
  margin: 6px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  line-height: 1.1;
}

.hero-metric-meta {
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 0.86rem;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #f6f8fd;
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-ghost {
  border-color: var(--border-strong);
  background: rgba(33, 43, 58, 0.5);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  border-color: rgba(77, 102, 139, 0.95);
  background: rgba(41, 56, 78, 0.55);
  color: var(--text-primary);
}

.section-head {
  max-width: 72ch;
  margin-bottom: 28px;
}

.section-head h2 {
  margin-top: 4px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(20, 27, 36, 0.82);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.feature-card:hover {
  border-color: rgba(80, 121, 218, 0.9);
  box-shadow: 0 10px 24px rgba(23, 39, 62, 0.34);
  transform: translateY(-2px);
}

.feature-card img {
  width: 24px;
  height: 24px;
  margin-bottom: 10px;
}

.feature-card h3 {
  margin-bottom: 8px;
}

.feature-card p {
  margin: 0;
  color: var(--text-secondary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.step-card {
  padding: 18px;
  border: 1px solid rgba(82, 103, 136, 0.65);
  border-radius: 12px;
  background: rgba(16, 24, 34, 0.75);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.step-card:hover {
  border-color: rgba(80, 121, 218, 0.85);
  box-shadow: 0 10px 22px rgba(22, 38, 60, 0.28);
  transform: translateY(-2px);
}

.step-index {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--primary);
  color: #f6f8fd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
  margin-bottom: 12px;
}

.step-card h3 {
  margin-bottom: 8px;
}

.step-card p {
  margin: 0;
  color: var(--text-secondary);
}

.final-cta .container {
  border-radius: 16px;
  border: 1px solid rgba(80, 103, 135, 0.72);
  background:
    radial-gradient(circle at 8% -18%, var(--primary-glow), rgba(63, 111, 229, 0)),
    rgba(19, 27, 38, 0.95);
  padding: clamp(26px, 4.5vw, 42px);
  text-align: center;
}

.final-cta h2 {
  margin-bottom: 10px;
}

.final-cta p {
  color: var(--text-secondary);
  margin: 0 0 20px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0 40px;
  background: rgba(15, 20, 27, 0.86);
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-shell p {
  margin: 6px 0 0;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 450ms ease, transform 450ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-metrics {
    max-width: 740px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .section {
    padding: 72px 0;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .hero {
    padding-top: 74px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    max-width: 100%;
    justify-items: center;
  }

  .feature-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}