:root {
  --bg: #09111e;
  --ink: #e8eef6;
  --muted: #9aabc0;
  --line: rgba(232, 238, 246, 0.14);
  --teal: #2bb8a6;
  --teal-deep: #178f86;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Manrope, Segoe UI, sans-serif;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 68px;
  display: flex;
  align-items: center;
  background: rgba(9, 17, 30, 0.93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  margin-right: auto;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #3dccba, var(--teal-deep));
  color: #06221e;
  font-family: Syne, Segoe UI, sans-serif;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  box-shadow: 0 4px 12px rgba(43, 184, 166, 0.35);
}

.brand-mark-sm {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font-size: 0.7rem;
}

.brand-title {
  display: block;
  font-family: Syne, Segoe UI, sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-sub {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.nav-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  font-size: 1.25rem;
}

.nav-panel {
  display: none;
}

.nav-panel.is-open {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: absolute;
  top: 68px;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem 1rem;
  background: rgba(9, 17, 30, 0.98);
  border-bottom: 1px solid var(--line);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.45rem 0.8rem;
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
  border-radius: 10px;
}

.nav-link:hover { color: #fff; }

.ml-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.45rem 0.9rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
}

.ml-btn-primary {
  color: #06221e;
  background: linear-gradient(180deg, #3dccba, var(--teal));
}

.ml-btn-ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.hero {
  position: relative;
  min-height: calc(100vh - 68px);
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(9, 17, 30, 0.94), rgba(9, 17, 30, 0.9)),
    url("../img/hub-service.jpg") center / cover no-repeat;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3.5rem 0;
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2, h3 {
  font-family: Syne, Segoe UI, sans-serif;
  letter-spacing: -0.03em;
  margin: 0;
}

h1 { font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 0.95; }

.lead {
  max-width: 38rem;
  margin: 1rem 0 0;
  color: #d5deea;
  font-size: 1.12rem;
  line-height: 1.5;
}

.license-note {
  max-width: 38rem;
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.license-note a {
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.hero-actions .ml-btn { min-height: 46px; padding-inline: 1.05rem; }

.panel {
  background: rgba(9, 17, 30, 0.72);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem 1.25rem 0.4rem;
  backdrop-filter: blur(8px);
}

.panel h2 { font-size: 1.25rem; margin-bottom: 0.8rem; }

.module-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.module-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
}

.module-list strong { display: block; }

.module-list span { color: var(--muted); font-size: 0.9rem; }

.dot {
  width: 10px;
  height: 10px;
  margin-top: 0.4rem;
  border-radius: 99px;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(43, 184, 166, 0.18);
}

.band { padding: 4rem 0; }

.band h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }

.section-lead {
  margin: 0.6rem 0 1.5rem;
  color: var(--muted);
  max-width: 40rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.15rem 1.15rem 1.2rem;
  background: rgba(255, 255, 255, 0.03);
}

.card h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }

.card p { margin: 0; color: var(--muted); line-height: 1.45; }

.setup {
  background:
    linear-gradient(90deg, rgba(43, 184, 166, 0.16), rgba(9, 17, 30, 0) 55%),
    #0d1828;
  border-block: 1px solid var(--line);
}

.setup-inner {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 1.5rem;
  align-items: center;
}

.setup p { margin: 0.55rem 0 0; color: var(--muted); line-height: 1.5; }

.contacts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.contacts a { color: var(--teal); text-decoration: none; }

.contacts p { margin: 0.35rem 0 0; line-height: 1.45; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1rem 0;
}

.footer-inner { justify-content: space-between; }

.footer-links { display: flex; gap: 1rem; }

.footer-links a {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

@media (min-width: 900px) {
  .hero-bg {
    background:
      linear-gradient(90deg, rgba(9, 17, 30, 0.94) 0%, rgba(9, 17, 30, 0.86) 42%, rgba(9, 17, 30, 0.62) 100%),
      url("../img/hub-service.jpg") center / cover no-repeat;
  }
  .nav-toggle { display: none; }
  .nav-panel,
  .nav-panel.is-open {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    position: static;
    padding: 0;
    background: transparent;
    border: 0;
  }
}

@media (max-width: 899px) {
  .hero-inner,
  .cards,
  .setup-inner,
  .contacts { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .setup-inner .ml-btn { justify-self: start; }
}