:root {
  --bg-top: #effbff;
  --bg-mid: #d8f0fb;
  --bg-bottom: #b9e0f4;
  --panel: rgba(255, 255, 255, 0.7);
  --panel-strong: rgba(248, 253, 255, 0.86);
  --line: rgba(22, 132, 176, 0.28);
  --line-soft: rgba(22, 132, 176, 0.16);
  --text: #052d42;
  --muted: #2e5b70;
  --accent: #0d9cc9;
  --accent-strong: #09759a;
  --success: #008bad;
  --shadow: 0 24px 60px rgba(21, 79, 105, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Rajdhani", sans-serif;
  background: radial-gradient(circle at 10% 15%, #d5f3ff 0%, transparent 42%),
    radial-gradient(circle at 90% 0%, #d9edff 0%, transparent 38%),
    linear-gradient(165deg, var(--bg-top) 0%, var(--bg-mid) 48%, var(--bg-bottom) 100%);
  overflow-x: hidden;
}

#particles-js {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.bg-noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.11;
  background-image: linear-gradient(transparent 96%, rgba(30, 130, 169, 0.12) 100%),
    linear-gradient(90deg, transparent 96%, rgba(30, 130, 169, 0.1) 100%);
  background-size: 100% 4px, 4px 100%;
}

.topbar,
main,
.site-footer {
  position: relative;
  z-index: 2;
}

.topbar {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 5vw;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(236, 249, 255, 0.74);
  backdrop-filter: blur(8px);
}

.brand {
  font-family: "Orbitron", sans-serif;
  text-decoration: none;
  color: var(--text);
  font-size: clamp(1.1rem, 2.1vw, 1.5rem);
  letter-spacing: 0.14em;
  font-weight: 700;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--accent-strong);
}

main {
  width: min(1180px, 92vw);
  margin: 0 auto;
  padding: 1.5rem 0 4rem;
}

.section {
  margin-top: 3rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(1.2rem, 3vw, 2.7rem);
  padding: clamp(1.2rem, 2.8vw, 2rem);
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(235, 248, 255, 0.76));
  box-shadow: var(--shadow);
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  color: var(--accent-strong);
  font-size: 0.83rem;
}

h1,
h2,
h3 {
  font-family: "Orbitron", sans-serif;
  margin: 0;
}

.hero h1 {
  margin-top: 0.8rem;
  line-height: 1.08;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
}

.lead {
  margin-top: 1rem;
  font-size: clamp(1.04rem, 1.6vw, 1.28rem);
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 999px;
  min-height: 44px;
  padding: 0.72rem 1.3rem;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

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

.btn-primary {
  color: #f4fcff;
  background: linear-gradient(100deg, var(--accent-strong) 0%, var(--accent) 100%);
  box-shadow: 0 10px 26px rgba(10, 124, 164, 0.26);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(245, 253, 255, 0.7);
}

.logo-frame {
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(245, 253, 255, 0.92), rgba(224, 243, 252, 0.84));
  box-shadow: var(--shadow);
  padding: 1.3rem;
  position: relative;
  isolation: isolate;
}

.logo-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(130deg, transparent, rgba(13, 156, 201, 0.82), transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: sweep 5s linear infinite;
}

.logo-frame img {
  width: 100%;
  display: block;
  border-radius: 16px;
  object-fit: cover;
}

@keyframes sweep {
  0% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.3;
  }
}

.section-head h2 {
  margin-top: 0.55rem;
  font-size: clamp(1.45rem, 2.5vw, 2.35rem);
}

.section-head p {
  margin-top: 0.55rem;
  max-width: 68ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.software-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.software-card {
  position: relative;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel) 0%, rgba(237, 248, 254, 0.78) 100%);
  padding: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.software-card::before {
  content: "";
  position: absolute;
  left: -35%;
  top: 0;
  width: 35%;
  height: 100%;
  background: linear-gradient(95deg, transparent, rgba(13, 156, 201, 0.22), transparent);
  transform: skewX(-18deg);
  animation: cardPulse 4.8s linear infinite;
}

.software-card h3 {
  font-size: 1.15rem;
}

.badge {
  margin-top: 0.45rem;
  display: inline-block;
  padding: 0.2rem 0.58rem;
  border-radius: 999px;
  background: rgba(212, 240, 251, 0.95);
  border: 1px solid var(--line);
  font-size: 0.79rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #0b5f7f;
}

.software-card p {
  color: var(--muted);
  margin: 0.9rem 0;
  min-height: 3rem;
  font-size: 1rem;
}

.software-link {
  color: var(--success);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.02rem;
}

.software-link:hover {
  text-decoration: underline;
}

@keyframes cardPulse {
  0% {
    left: -40%;
  }
  100% {
    left: 130%;
  }
}

.capability-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.capability-card {
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: linear-gradient(160deg, var(--panel-strong), rgba(230, 246, 253, 0.82));
  padding: 1rem;
}

.capability-card h3 {
  font-size: 1rem;
}

.capability-card p {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.section-contact {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.6rem;
  background: linear-gradient(150deg, rgba(241, 252, 255, 0.86), rgba(223, 244, 252, 0.82));
}

.section-contact h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
}

.section-contact p {
  margin: 0.75rem auto 1rem;
  max-width: 55ch;
  color: var(--muted);
}

.site-footer {
  padding: 1.6rem 5vw 2rem;
  text-align: center;
  color: #1f4f63;
  border-top: 1px solid var(--line-soft);
  background: rgba(237, 249, 255, 0.8);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

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

  .logo-frame {
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
  }
}

@media (max-width: 680px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    flex-wrap: wrap;
  }

  main {
    width: min(1200px, 94vw);
  }
}