:root {
  color-scheme: dark;
  --bg: #080a14;
  --panel: #121724;
  --panel-strong: #1a2030;
  --text: #f6f8ff;
  --muted: #b8c1d9;
  --accent: #7c5cff;
  --accent-2: #f4c542;
  --accent-3: #35a7ff;
  --gold: #f4c542;
  --line: rgba(160, 177, 220, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding-bottom: 86px;
  background:
    linear-gradient(180deg, rgba(124, 92, 255, 0.16), transparent 360px),
    linear-gradient(90deg, rgba(53, 167, 255, 0.12), transparent 48%),
    var(--bg);
  color: var(--text);
  font-family: Arial, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  background: rgba(8, 10, 20, 0.96);
  border-bottom: 1px solid var(--line);
}

.site-footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  margin-top: 56px;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 116px;
  height: auto;
  display: block;
}

.brand-text {
  min-width: 118px;
  min-height: 42px;
  color: var(--text);
}

.brand-media {
  min-width: 132px;
}

.brand-logo {
  width: 132px;
  height: 48px;
  display: block;
  background-image: var(--logo);
  background-repeat: no-repeat;
  background-position: left center;
  background-size: contain;
}

.brand-mark {
  min-width: 64px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #080a14;
  background: var(--accent-2);
  border-radius: 4px;
  font-size: 19px;
  line-height: 1;
  letter-spacing: 0;
}

.brand-name {
  color: var(--muted);
  font-size: 14px;
}

.nav-links,
.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.menu-dropdown {
  position: relative;
}

.menu-dropdown summary {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  color: var(--muted);
  background: #151b2a;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.menu-dropdown summary::marker {
  content: "";
}

.menu-dropdown summary::-webkit-details-marker {
  display: none;
}

.menu-dropdown summary::after {
  content: "v";
  font-size: 11px;
  color: var(--accent-3);
}

.menu-dropdown[open] summary {
  color: var(--text);
}

.menu-dropdown__links {
  position: absolute;
  z-index: 2100;
  top: calc(100% + 8px);
  right: 0;
  min-width: 240px;
  padding: 8px;
  display: grid;
  gap: 4px;
  background: rgba(8, 10, 20, 0.98);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.menu-dropdown__links a {
  display: block;
}

.nav-links a,
.footer-links a {
  padding: 9px 12px;
  text-decoration: none;
  color: var(--muted);
  border-radius: 4px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"],
.footer-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav-links a.register-link,
.footer-links a.register-link {
  color: #111018;
  background: var(--accent-2);
  font-weight: 800;
}

.nav-links a.login-link,
.footer-links a.login-link {
  color: var(--text);
  background: var(--accent);
  font-weight: 800;
}

.hero {
  padding: 42px 0 26px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.breadcrumbs {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
  gap: 28px;
  align-items: center;
}

h1,
h2,
h3 {
  line-height: 1.16;
  margin: 0 0 16px;
}

h1 {
  max-width: 820px;
  font-size: clamp(34px, 5vw, 56px);
}

h2 {
  font-size: clamp(25px, 3vw, 34px);
}

h3 {
  font-size: 21px;
}

p {
  margin: 0 0 16px;
}

.lead {
  max-width: 700px;
  color: var(--muted);
  font-size: 19px;
}

.small-lead {
  max-width: 860px;
  font-size: 17px;
}

.hero-card,
.panel,
.note {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--line);
  border-radius: 4px;
}

.hero-card {
  padding: 14px;
  border-color: rgba(53, 167, 255, 0.32);
  box-shadow: inset 0 0 0 1px rgba(124, 92, 255, 0.12);
}

.hero-card img {
  width: auto;
  max-width: 100%;
  max-height: 360px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
}

.section {
  padding: 30px 0;
}

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

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

.panel {
  padding: 20px;
  border-top: 3px solid rgba(53, 167, 255, 0.75);
}

.panel strong,
.accent {
  color: inherit;
}

.panel p:last-child,
.note p:last-child {
  margin-bottom: 0;
}

.note {
  padding: 20px;
  border-left: 4px solid var(--accent-3);
}

.list {
  padding-left: 20px;
  margin: 0;
}

.list li {
  margin: 9px 0;
}

.table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 8px;
}

.table th,
.table td {
  padding: 14px;
  text-align: left;
  border: 1px solid var(--line);
  vertical-align: top;
}

.table th {
  color: var(--gold);
  background: rgba(255, 255, 255, 0.06);
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 4px;
  color: #111018;
  background: var(--accent-2);
  font-weight: 800;
  text-decoration: none;
}

.btn.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
}

.btn.login-link {
  color: var(--text);
  background: var(--accent);
}

.sticky-cta {
  position: fixed;
  z-index: 2000;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8, 10, 20, 0.97);
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
}

.sticky-cta .wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sticky-cta__text {
  color: var(--muted);
  font-size: 14px;
}

.sticky-cta__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.sticky-cta a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 800;
}

.sticky-cta .register-link {
  color: #111018;
  background: var(--accent-2);
}

.sticky-cta .login-link {
  color: var(--text);
  background: var(--accent);
}

.visual-card {
  min-height: 290px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 16px;
  text-align: center;
  background:
    linear-gradient(145deg, rgba(124, 92, 255, 0.22), transparent 58%),
    linear-gradient(315deg, rgba(53, 167, 255, 0.22), transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
}

.visual-card__mark {
  min-width: 136px;
  min-height: 70px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #111018;
  background: var(--accent-2);
  border-radius: 4px;
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 0;
  box-shadow: 0 16px 42px rgba(244, 197, 66, 0.16);
}

.visual-card__line {
  width: min(270px, 72%);
  height: 6px;
  background: linear-gradient(90deg, var(--accent), var(--accent-3));
  border-radius: 999px;
}

.visual-card__text {
  max-width: 360px;
  color: var(--muted);
  font-size: 18px;
  font-weight: 700;
}

.media-card {
  min-height: 320px;
  position: relative;
  overflow: hidden;
  background: var(--media);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.media-card .visual-card__mark,
.media-card .visual-card__line,
.media-card .visual-card__text {
  display: none;
}

.hero-badges,
.action-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.hero-badges span,
.action-stack span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
}

.mobile-path {
  counter-reset: path;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mobile-path li {
  counter-increment: path;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.mobile-path li::before {
  content: counter(path);
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #111018;
  background: var(--accent-2);
  border-radius: 50%;
  font-weight: 900;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.feature-strip div {
  min-height: 96px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.055);
}

.feature-strip strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  margin-bottom: 4px;
}

.feature-strip span {
  color: var(--muted);
  font-size: 14px;
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.keyword-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 14px;
}

.site-footer .wrap {
  padding: 24px 0;
}

.fineprint {
  color: var(--muted);
  font-size: 14px;
  margin-top: 14px;
}

@media (max-width: 780px) {
  body {
    padding-bottom: 74px;
  }

  .wrap {
    width: min(100% - 24px, 1120px);
  }

  .hero-grid {
    display: block;
  }

  .nav {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    min-height: 0;
    padding: 12px 0;
  }

  .brand img {
    width: 108px;
  }

  .nav-links {
    display: contents;
  }

  .nav-links a {
    min-height: 46px;
    padding: 10px 12px;
    font-size: 14px;
    text-align: center;
  }

  .nav-links a.register-link,
  .nav-links a.login-link {
    width: 100%;
    min-height: 48px;
    font-size: 14px;
  }

  .nav-links a.register-link {
    grid-column: 1;
    grid-row: 2;
  }

  .nav-links a.login-link {
    grid-column: 2;
    grid-row: 2;
  }

  .menu-dropdown {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .menu-dropdown summary {
    width: auto;
    min-width: 92px;
    justify-content: center;
    min-height: 38px;
    padding: 8px 12px;
    font-size: 14px;
  }

  .menu-dropdown__links {
    right: 0;
    left: auto;
    min-width: 0;
    width: min(260px, calc(100vw - 24px));
  }

  .hero {
    padding: 24px 0 18px;
  }

  .lead {
    font-size: 17px;
  }

  .cta-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .cta-row .btn {
    width: 100%;
    min-height: 48px;
    padding: 11px 10px;
  }

  .sticky-cta .wrap {
    min-height: auto;
    padding: 9px 0;
    display: block;
  }

  .sticky-cta__text {
    display: none;
  }

  .sticky-cta__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .sticky-cta a {
    min-height: 52px;
    padding: 12px 8px;
    font-size: 15px;
  }

  .hero-card {
    margin-top: 20px;
  }

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

  .feature-strip div {
    min-height: auto;
  }
}