:root {
  --bg: #040814;
  --bg-soft: #071327;
  --bg-alt: #0b1c37;
  --line: rgba(120, 232, 255, 0.28);
  --text: #ecf8ff;
  --muted: #abd3eb;
  --brand: #67f4ff;
  --brand-2: #6e8bff;
  --card: rgba(8, 18, 36, 0.58);
  --glow: 0 0 35px rgba(103, 244, 255, 0.35);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 15%, rgba(103, 244, 255, 0.18), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(110, 139, 255, 0.18), transparent 35%),
    radial-gradient(circle at 50% 80%, rgba(82, 128, 255, 0.12), transparent 40%),
    linear-gradient(170deg, #02050f 0%, var(--bg) 35%, var(--bg-soft) 70%, var(--bg-alt) 100%);
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  background: rgba(3, 10, 21, 0.75);
  backdrop-filter: blur(11px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 999px;
  box-shadow: var(--glow);
  border: 1px solid rgba(103, 244, 255, 0.5);
}

.nav-links {
  display: flex;
  gap: 0.85rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: all 160ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  border-color: var(--line);
  background: rgba(103, 244, 255, 0.1);
  box-shadow: 0 0 14px rgba(103, 244, 255, 0.14);
}

.menu-btn {
  display: none;
  background: transparent;
  color: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.35rem;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 74vh;
  display: grid;
  align-items: center;
  grid-template-columns: 1.15fr 1fr;
  gap: 2rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.4rem;
  background: linear-gradient(150deg, rgba(5, 12, 24, 0.75), rgba(7, 22, 39, 0.55));
  box-shadow: inset 0 0 0 1px rgba(145, 225, 255, 0.08), 0 20px 55px rgba(0, 0, 0, 0.3);
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  z-index: -1;
}

.orb-1 {
  width: 220px;
  height: 220px;
  left: -80px;
  top: -60px;
  background: radial-gradient(circle, rgba(103, 244, 255, 0.45), transparent 70%);
}

.orb-2 {
  width: 240px;
  height: 240px;
  right: -90px;
  bottom: -80px;
  background: radial-gradient(circle, rgba(110, 139, 255, 0.4), transparent 70%);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand);
  font-weight: 700;
  font-size: 0.8rem;
}

h1 {
  margin: 0.15rem 0 0.7rem;
  font-size: clamp(1.9rem, 3.2vw, 3rem);
  line-height: 1.15;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.4rem, 2.3vw, 2.1rem);
}

p,
li {
  color: var(--muted);
  line-height: 1.7;
}

.lead {
  font-size: 1.05rem;
}

.hero-logo {
  width: min(520px, 100%);
  filter: drop-shadow(0 0 35px rgba(103, 244, 255, 0.35));
  justify-self: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 0.68rem 1.1rem;
  text-decoration: none;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 130ms ease, box-shadow 130ms ease;
}

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

.btn-primary {
  background: linear-gradient(120deg, var(--brand), #93e5ff 40%, #9eb4ff);
  color: #031326;
  box-shadow: 0 10px 24px rgba(103, 244, 255, 0.28);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(103, 244, 255, 0.04);
}

.section {
  margin: 2rem auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.95rem;
}

.card,
.panel {
  background: linear-gradient(160deg, rgba(7, 18, 35, 0.65), rgba(8, 26, 45, 0.45));
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 1rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}

.form {
  display: grid;
  gap: 0.8rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

input,
textarea {
  padding: 0.66rem 0.72rem;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(103, 244, 255, 0.3);
  outline-offset: 1px;
}

.form-status {
  font-size: 0.9rem;
}

.form-status.error {
  color: #ffc4c4;
}

.center {
  text-align: center;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.2rem 1.5rem;
  border-top: 1px solid var(--line);
  margin-top: 2rem;
}

footer a {
  color: var(--brand);
  text-decoration: none;
}

@media (max-width: 860px) {
  .menu-btn {
    display: inline-block;
  }

  .nav-links {
    display: none;
    position: absolute;
    right: 1rem;
    top: 66px;
    background: #071427;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.45rem;
    min-width: 190px;
    flex-direction: column;
  }

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

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