:root {
  --bg: #070b16;
  --bg-soft: #0e1529;
  --card: #111a32;
  --text: #f4f7ff;
  --muted: #b7c4e6;
  --line: #28345c;
  --brand: #31d1ff;
  --brand-strong: #06a6d7;
  --success: #16c27f;
  --max-width: 1140px;
  --radius: 14px;
  --shadow: 0 16px 44px rgba(2, 8, 22, 0.4);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.55;
  color: var(--text);
  background: radial-gradient(circle at 0 0, #132044 0%, var(--bg) 45%),
    var(--bg);
  min-height: 100vh;
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(100% - 2.4rem, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 11, 22, 0.84);
  border-bottom: 1px solid rgba(49, 209, 255, 0.16);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.1rem;
}

.logo span {
  color: var(--brand);
}

.nav-toggle {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 8px;
  font-size: 0.95rem;
  padding: 0.45rem 0.7rem;
  display: none;
}

.main-nav ul {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
  gap: 1rem;
}

.main-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.active {
  color: var(--text);
  background: rgba(49, 209, 255, 0.15);
  outline: none;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 600;
  padding: 0.7rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(120deg, var(--brand), var(--brand-strong));
  color: #051423;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  filter: brightness(1.04);
  outline: 2px solid rgba(49, 209, 255, 0.45);
  outline-offset: 2px;
}

.btn-outline {
  border-color: rgba(49, 209, 255, 0.42);
  color: var(--text);
  background: transparent;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(49, 209, 255, 0.14);
  outline: none;
}

.hero {
  padding: 5.6rem 0 3.2rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
}

.eyebrow {
  color: var(--brand);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-top: 0.7rem;
}

.lead {
  margin-top: 1rem;
  max-width: 60ch;
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.2rem;
  flex-wrap: wrap;
}

.hero-card {
  border: 1px solid rgba(49, 209, 255, 0.23);
  border-radius: var(--radius);
  padding: 1.2rem;
  background: linear-gradient(170deg, #0d1732, #0c1430 40%, #090f22);
  box-shadow: var(--shadow);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.metric {
  background: rgba(14, 21, 41, 0.8);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem;
}

.metric strong {
  display: block;
  font-size: 1.6rem;
  color: var(--brand);
}

.metric span {
  font-size: 0.86rem;
  color: var(--muted);
}

main section {
  padding: 3.2rem 0;
}

.section-title {
  max-width: 72ch;
}

.section-title p {
  margin-top: 0.8rem;
  color: var(--muted);
}

.card-grid {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  background: rgba(17, 26, 50, 0.88);
}

.card h3 {
  font-size: 1.08rem;
}

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

.card ul {
  padding-left: 1.1rem;
  margin: 0.6rem 0 0;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.content-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  background: rgba(17, 26, 50, 0.78);
}

.content-box ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
}

.cta {
  margin-top: 1rem;
  padding: 1.1rem;
  border: 1px dashed rgba(49, 209, 255, 0.32);
  border-radius: var(--radius);
  background: rgba(49, 209, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.tag {
  border: 1px solid rgba(49, 209, 255, 0.3);
  color: #cceeff;
  border-radius: 999px;
  padding: 0.32rem 0.6rem;
  font-size: 0.83rem;
  background: rgba(49, 209, 255, 0.08);
}

.form-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  background: rgba(17, 26, 50, 0.88);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.32rem;
  font-size: 0.92rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #33406e;
  border-radius: 10px;
  background: #0a1125;
  color: var(--text);
  padding: 0.63rem 0.7rem;
  font: inherit;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(49, 209, 255, 0.42);
  outline-offset: 2px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.form-note {
  color: var(--muted);
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid rgba(49, 209, 255, 0.16);
  margin-top: 2.4rem;
  background: rgba(6, 10, 20, 0.8);
}

.footer-inner {
  padding: 1.6rem 0 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

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

.footer-links a {
  color: var(--muted);
  font-size: 0.94rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text);
}

.legal-text {
  color: var(--muted);
}

.notice {
  border-left: 3px solid var(--success);
  padding-left: 0.8rem;
}

@media (max-width: 920px) {
  .hero-grid,
  .split,
  .card-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .main-nav ul {
    gap: 0.4rem;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: rgba(9, 14, 27, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1.2rem 0.9rem;
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
  }
}