:root {
  --bg-0: #010611;
  --bg-1: #06162d;
  --panel: rgba(5, 25, 52, 0.70);
  --line: rgba(56, 217, 255, 0.38);
  --cyan: #38d9ff;
  --orange: #ff6b2a;
  --white: #f7fbff;
  --muted: #9fb8d4;
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  margin: 0;
  padding: 0;
  background: #020713;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--white);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
}

.page {
  position: relative;
  width: 100%;
  min-height: 100vh;
  padding: 0 3.8vw 5vh;
  background:
    radial-gradient(circle at 16% 12%, rgba(0, 128, 255, 0.18) 0%, transparent 30%),
    radial-gradient(circle at 72% 42%, rgba(56, 217, 255, 0.11) 0%, transparent 34%),
    radial-gradient(circle at 92% 6%, rgba(255, 107, 42, 0.10) 0%, transparent 24%),
    linear-gradient(135deg, #010611 0%, #06162d 48%, #010611 100%);
}

.page::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 217, 255, 0.040) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 217, 255, 0.032) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,.68) 34%, rgba(0,0,0,.35) 100%);
  pointer-events: none;
}

.topbar {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3.1vh 0 2vh;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.brand-logo {
  width: 140px;
  height: auto;
  max-height: 80px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 20px rgba(56, 217, 255, 0.18));
}

.nav-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 720;
  letter-spacing: 0.04em;
  transition: all 0.3s ease;
  padding: 8px 16px;
  border-radius: 999px;
}

.nav-links a:hover {
  color: var(--cyan);
  background: rgba(56, 217, 255, 0.10);
  box-shadow: 0 0 20px rgba(56, 217, 255, 0.2);
}

.hero {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 8vh 0 10vh;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--orange);
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: clamp(13px, 1.05vw, 18px);
  margin-bottom: 2vh;
}

.eyebrow::before {
  content: "";
  width: 44px;
  height: 3px;
  border-radius: 99px;
  background: var(--orange);
  box-shadow: 0 0 18px rgba(255,138,28,.6);
}

h1 {
  margin: 0;
  font-size: clamp(120px, 15vw, 200px);
  line-height: .98;
  letter-spacing: -0.045em;
  font-weight: 950;
}

h1 .gradient {
  background: linear-gradient(90deg, #FFFFFF 0%, var(--cyan) 58%, var(--orange) 108%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 48px rgba(40, 216, 255, 0.38);
}

.subtitle {
  margin-top: 2vh;
  max-width: 950px;
  color: #d9e8ff;
  font-size: clamp(17px, 1.45vw, 25px);
  line-height: 1.42;
  font-weight: 520;
  margin-left: auto;
  margin-right: auto;
}

.subtitle strong {
  color: var(--cyan);
  font-weight: 780;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 4vh;
  padding: 18px 32px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(56, 217, 255, 0.22), rgba(255, 107, 42, 0.15));
  border: 1px solid rgba(56, 217, 255, 0.42);
  color: var(--white);
  font-size: 18px;
  font-weight: 820;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 0 30px rgba(56, 217, 255, 0.15);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(56, 217, 255, 0.25);
  border-color: rgba(56, 217, 255, 0.65);
}

.card-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.1vw;
  max-width: 1400px;
  margin: 0 auto 8vh;
}

.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(5, 25, 52, 0.70), rgba(2, 10, 24, 0.94));
  box-shadow: inset 0 0 36px rgba(56, 217, 255, 0.07), 0 0 34px rgba(0, 168, 255, 0.12);
  padding: 32px;
  overflow: hidden;
  text-decoration: none;
  color: var(--white);
  transition: all 0.3s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(40,216,255,.22), transparent 26%, transparent 70%, rgba(255,138,28,.10));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: inset 0 0 36px rgba(56, 217, 255, 0.10), 0 0 50px rgba(0, 168, 255, 0.20);
  border-color: rgba(56, 217, 255, 0.55);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 22px;
  background: rgba(56, 217, 255, 0.12);
  border: 1px solid rgba(56, 217, 255, 0.28);
  transition: all 0.3s ease;
}

.card:hover .card-icon {
  background: rgba(56, 217, 255, 0.18);
  box-shadow: 0 0 30px rgba(56, 217, 255, 0.3);
}

.card:nth-child(2) .card-icon {
  background: rgba(255, 107, 42, 0.12);
  border-color: rgba(255, 107, 42, 0.32);
}

.card:nth-child(2):hover .card-icon {
  background: rgba(255, 107, 42, 0.18);
  box-shadow: 0 0 30px rgba(255, 107, 42, 0.3);
}

.card:nth-child(3) .card-icon {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.32);
}

.card:nth-child(3):hover .card-icon {
  background: rgba(16, 185, 129, 0.18);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.card-title {
  font-size: clamp(24px, 2vw, 34px);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.card-desc {
  color: #d8e9ff;
  font-size: clamp(15px, 1.1vw, 19px);
  line-height: 1.42;
  margin: 0;
  font-weight: 520;
}

.card-tag {
  display: inline-block;
  margin-top: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(56, 217, 255, 0.08);
  border: 1px solid rgba(56, 217, 255, 0.22);
  color: #e8fbff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 4vh 0;
  border-top: 1px solid rgba(56, 217, 255, 0.12);
  margin-top: 4vh;
}

.footer-text {
  color: rgba(203, 213, 225, 0.66);
  font-size: 14px;
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .page {
    padding: 0 16px 30px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 24px 0 16px;
  }

  .brand {
    font-size: 24px;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 12px;
  }

  .nav-links a {
    font-size: 13px;
    padding: 6px 12px;
  }

  .hero {
    padding: 4vh 0 6vh;
  }

  .eyebrow {
    font-size: 12px;
    margin-bottom: 14px;
  }

  .eyebrow::before {
    width: 28px;
  }

  h1 {
    font-size: clamp(80px, 25vw, 140px);
    line-height: 1.02;
  }

  .subtitle {
    font-size: 16px;
    margin-top: 16px;
  }

  .cta-button {
    padding: 14px 24px;
    font-size: 16px;
    margin-top: 28px;
  }

  .card {
    padding: 24px;
    border-radius: 24px;
  }

  .card-icon {
    width: 56px;
    height: 56px;
    font-size: 26px;
    margin-bottom: 16px;
  }

  .card-title {
    font-size: 26px;
  }

  .card-desc {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 20px;
  }

  h1 {
    font-size: clamp(60px, 22vw, 100px);
  }

  .card-icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
  }

  .card-title {
    font-size: 22px;
  }
}