:root {
  --bg: #070b14;
  --bg-soft: #0d1322;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-border: rgba(255, 255, 255, 0.1);
  --text: #f4f7fb;
  --muted: #aab4c5;
  --primary: #6d5efc;
  --primary-2: #2ec5ff;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --radius: 20px;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(46, 197, 255, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(109, 94, 252, 0.16), transparent 22%),
    linear-gradient(180deg, #060913 0%, #0a1020 100%);
  color: var(--text);
}

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

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

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.main-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--white);
}

.hero {
  padding: 88px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--primary-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.02;
}

.hero-text {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 640px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 12px 30px rgba(77, 112, 255, 0.3);
}

.btn-secondary {
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
}

.hero-card,
.card,
.info-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-card {
  padding: 28px;
  text-align: center;
}

.hero-logo {
  width: min(240px, 70%);
  margin: 0 auto 18px;
}

.hero-card-content h3 {
  margin: 0 0 10px;
}

.hero-card-content p {
  margin: 0;
  color: var(--muted);
}

.logo-animate {
  animation: floatLogo 4s ease-in-out infinite;
}

@keyframes floatLogo {
  0% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}

.section {
  padding: 72px 0;
}

.section-dark {
  background: rgba(255, 255, 255, 0.02);
}

.section-heading {
  text-align: center;
  margin-bottom: 34px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  padding: 26px;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.card p,
.info-panel p {
  color: var(--muted);
  line-height: 1.7;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.feature-list {
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.info-panel {
  padding: 28px;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-grid,
  .card-grid,
  .two-col {
    grid-template-columns: 1fr;
  }

  .main-nav {
    gap: 14px;
  }
}

.form-input {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  outline: none;
}

.form-input::placeholder {
  color: var(--muted);
}

.form-input:focus {
  border-color: var(--primary-2);
}