:root {
  --bg: #07111f;
  --bg-2: #0b1728;
  --panel: rgba(12, 27, 47, 0.86);
  --panel-2: rgba(15, 36, 62, 0.95);
  --text: #edf7ff;
  --muted: #a9bed1;
  --line: rgba(126, 226, 255, 0.18);
  --accent: #26e0a3;
  --accent-2: #39a7ff;
  --shadow: 0 20px 55px rgba(0, 0, 0, 0.35);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(38, 224, 163, 0.13), transparent 30%),
    radial-gradient(circle at top right, rgba(57, 167, 255, 0.16), transparent 34%),
    linear-gradient(180deg, var(--bg), #050912 70%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent-2);
}

.container {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(5, 11, 20, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #02111b;
  box-shadow: 0 0 30px rgba(38, 224, 163, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 650;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(57, 167, 255, 0.13);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 1.2rem;
}

.hero {
  padding: 84px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(290px, 0.8fr);
  gap: 28px;
  align-items: center;
}

.kicker {
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

h1, h2, h3 {
  margin: 0 0 14px;
  line-height: 1.12;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 4.7rem);
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.16rem;
}

.lead {
  color: var(--muted);
  font-size: 1.17rem;
  max-width: 820px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid var(--line);
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04101c;
  border-color: transparent;
}

.btn.secondary {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.text-link {
  display: inline-block;
  margin-top: 14px;
  font-weight: 700;
}

.hero-card,
.card,
.wide-card,
.feature-panel,
.contact-panel,
.contact-form {
  background: linear-gradient(180deg, var(--panel), rgba(8, 18, 32, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
}

.pulse-ring {
  position: absolute;
  right: -65px;
  top: -65px;
  width: 190px;
  height: 190px;
  border-radius: 999px;
  border: 26px solid rgba(38, 224, 163, 0.1);
  box-shadow: inset 0 0 30px rgba(57, 167, 255, 0.12);
}

.check-list,
.compact-list,
.pill-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.compact-list li {
  position: relative;
  padding-left: 24px;
  margin: 9px 0;
  color: var(--muted);
}

.check-list li::before,
.compact-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 900;
}

.section {
  padding: 52px 0;
}

.section-heading {
  margin-bottom: 24px;
}

.section-subtitle {
  max-width: 780px;
  color: var(--muted);
}

.feature-panel,
.contact-panel {
  padding: 26px;
}

.feature-panel p,
.contact-panel p {
  color: var(--muted);
  margin-top: 0;
}

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

.card-grid,
.wide-card-grid,
.split-grid {
  display: grid;
  gap: 18px;
}

.card-grid {
  grid-template-columns: repeat(3, 1fr);
}

.wide-card-grid {
  grid-template-columns: repeat(2, 1fr);
}

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

.card,
.wide-card {
  padding: 24px;
}

.card p,
.wide-card p {
  color: var(--muted);
}

.mini-label {
  color: var(--accent) !important;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-list li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(57, 167, 255, 0.08);
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
}

.columns {
  columns: 2;
  column-gap: 34px;
}

.contact-form {
  display: grid;
  gap: 15px;
  padding: 26px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-weight: 750;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font: inherit;
}

select option {
  color: #08111f;
}

.site-footer {
  margin-top: 48px;
  padding: 42px 0 24px;
  background: rgba(2, 7, 14, 0.8);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.footer-grid p,
.footer-bottom p {
  color: var(--muted);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding-top: 16px;
}

@media (max-width: 840px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 74px;
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: rgba(5, 11, 20, 0.96);
    border: 1px solid var(--line);
    border-radius: 18px;
  }

  .nav-links.open {
    display: flex;
  }

  .hero {
    padding-top: 56px;
  }

  .hero-grid,
  .card-grid,
  .wide-card-grid,
  .split-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .columns {
    columns: 1;
  }
}