:root {
  color-scheme: dark;
  font-family: Inter, "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: #010102;
  color: #f7f8f8;
  --canvas: #010102;
  --surface-1: #0f1011;
  --surface-2: #141516;
  --surface-3: #18191a;
  --ink: #f7f8f8;
  --ink-muted: #d0d6e0;
  --ink-subtle: #8a8f98;
  --ink-tertiary: #62666d;
  --hairline: #23252a;
  --hairline-strong: #34343a;
  --accent: #ffffff;
  --accent-ink: #010102;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--canvas);
  color: var(--ink);
}

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

button {
  font: inherit;
}

main {
  min-height: 100vh;
  overflow: hidden;
}

.shell {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 56px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  background: rgba(1, 1, 2, 0.86);
  border-bottom: 1px solid rgba(35, 37, 42, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
}

.brand img {
  width: 24px;
  height: 24px;
}

nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--ink-subtle);
  font-size: 14px;
  line-height: 1.5;
}

nav a:hover,
footer a:hover,
.text-link:hover {
  color: var(--ink);
}

.header-actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.social-link {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid transparent;
  border-radius: 8px;
}

.social-link svg {
  width: 21px;
  height: 21px;
}

.github-link {
  color: var(--ink-muted);
}

.telegram-link svg {
  width: 22px;
  height: 22px;
}

.telegram-link {
  color: #2aabee;
}

.status-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.status-nav-link::before {
  content: "";
  width: 7px;
  height: 7px;
  background: #43d17d;
  border-radius: 999px;
  box-shadow: 0 0 0 3px rgba(67, 209, 125, 0.14);
}

.nav-cta {
  justify-self: end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

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

.button-primary {
  color: var(--accent-ink);
  background: var(--accent);
}

.button-primary:hover,
.button-inverse:hover {
  background: #d0d6e0;
}

.button-secondary {
  color: var(--ink);
  background: var(--surface-1);
  border-color: var(--hairline);
}

.button-secondary:hover {
  background: var(--surface-2);
  border-color: var(--hairline-strong);
}

.button-status {
  color: var(--ink);
  background: transparent;
  border-color: var(--hairline);
}

.button-status:hover {
  background: var(--surface-1);
  border-color: var(--hairline-strong);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #43d17d;
  border-radius: 999px;
  box-shadow: 0 0 0 4px rgba(67, 209, 125, 0.13);
}

.button-inverse {
  color: #000;
  background: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.58fr);
  gap: 72px;
  align-items: center;
  padding: 104px 0 72px;
}

.hero-copy h1 {
  max-width: 820px;
  margin: 0;
  font-size: 80px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--ink-muted);
  font-size: 20px;
  line-height: 1.4;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.signal-card {
  display: grid;
  align-content: space-between;
  padding: 28px;
  min-height: 360px;
  background:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 24%),
    var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 16px;
}

.signal-top {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-muted);
  font-size: 13px;
}

.signal-top img {
  width: 22px;
  height: 22px;
}

.signal-main {
  display: grid;
  justify-items: start;
  gap: 16px;
  margin-top: 36px;
}

.signal-main svg {
  color: var(--ink);
}

.signal-main strong {
  max-width: 360px;
  font-size: 38px;
  font-weight: 600;
  line-height: 1.12;
}

.signal-main p {
  max-width: 360px;
  margin: 0;
  color: var(--ink-subtle);
  font-size: 15px;
  line-height: 1.5;
}

.signal-list {
  display: grid;
  gap: 10px;
  margin-top: 44px;
  color: var(--ink-muted);
  font-size: 14px;
}

.signal-list span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 0 0 96px;
}

.feature-card,
.price-card,
.legal-card,
.steps,
.faq-item,
.support,
.cta {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 12px;
}

.feature-card {
  padding: 24px;
}

.feature-card svg,
.signal-list svg {
  color: var(--ink);
}

.feature-card h2 {
  margin: 22px 0 10px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.25;
}

.feature-card p,
.connect p,
.section-heading p,
.price-card p,
.support p,
.legal-section p,
.cta p {
  margin: 0;
  color: var(--ink-subtle);
  font-size: 14px;
  line-height: 1.5;
}

.pricing,
.legal {
  padding-bottom: 96px;
}

.section-heading {
  display: grid;
  gap: 14px;
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2,
.support h2 {
  margin: 0;
  font-size: 56px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0;
}

.section-heading p,
.support p {
  max-width: 620px;
  font-size: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.price-card {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.price-card svg,
.legal-title svg {
  color: var(--ink);
}

.price-card h3,
.legal-title h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.25;
}

.price-card strong {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.05;
}

.connect {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: 48px;
  align-items: start;
  padding-bottom: 96px;
}

.connect h2,
.faq h2,
.cta h2 {
  margin: 0;
  font-size: 56px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0;
}

.connect p {
  max-width: 620px;
  margin-top: 20px;
  font-size: 16px;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-muted);
  font-size: 14px;
  font-weight: 500;
}

.steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: center;
  min-height: 72px;
  padding: 18px 20px;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--hairline);
  font-size: 15px;
}

.steps li:last-child {
  border-bottom: 0;
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
}

.faq {
  display: grid;
  grid-template-columns: minmax(280px, 0.45fr) 1fr;
  gap: 48px;
  padding-bottom: 96px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  display: block;
  width: 100%;
  padding: 18px 20px;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.35;
}

.faq-question svg {
  color: var(--ink-tertiary);
  transition: transform 160ms ease;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  display: block;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  color: var(--ink-subtle);
  font-size: 14px;
  line-height: 1.5;
  opacity: 0;
  transition: max-height 180ms ease, margin 180ms ease, opacity 180ms ease;
}

.faq-item.open .faq-answer {
  max-height: 120px;
  margin-top: 12px;
  opacity: 1;
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) auto;
  gap: 40px;
  align-items: end;
  padding: 48px 56px;
  margin-bottom: 72px;
}

.cta h2 {
  max-width: 760px;
  font-size: 46px;
  line-height: 1.08;
}

.cta p {
  max-width: 620px;
  margin-top: 12px;
  font-size: 16px;
}

.cta .button {
  justify-self: end;
  min-width: 190px;
  white-space: nowrap;
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 64px 0;
  color: var(--ink-subtle);
  border-top: 1px solid var(--hairline);
  font-size: 12px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

.support {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) auto;
  gap: 32px;
  align-items: center;
  padding: 32px;
  margin-bottom: 96px;
}

.support h2 {
  font-size: 36px;
}

.support p {
  margin-top: 10px;
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.legal-card {
  padding: 24px;
}

.legal-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}

.legal-section {
  padding-top: 18px;
}

.legal-section h4 {
  margin: 0 0 8px;
  color: var(--ink-muted);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.35;
}

@media (max-width: 1040px) {
  header {
    grid-template-columns: 1fr auto;
  }

  nav {
    display: none;
  }

  .hero,
  .connect,
  .faq,
  .support,
  .cta {
    grid-template-columns: 1fr;
  }

  .pricing-grid,
  .legal-grid,
  .features {
    grid-template-columns: 1fr;
  }

  .support .button {
    justify-self: start;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 32px, 1280px);
  }

  header {
    padding: 0 16px;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    gap: 36px;
    padding: 54px 0 56px;
  }

  .hero-copy h1 {
    font-size: 44px;
  }

  .hero-copy p {
    font-size: 17px;
  }

  .signal-card {
    min-height: auto;
  }

  .signal-main {
    margin-top: 36px;
  }

  .connect h2,
  .faq h2,
  .section-heading h2 {
    font-size: 36px;
  }

  .support {
    padding: 28px;
  }

  .support h2 {
    font-size: 30px;
  }

  .cta {
    padding: 28px;
  }

  .cta h2 {
    font-size: 30px;
  }

  .cta .button {
    justify-self: start;
    width: auto;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}