* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #f5f5f5;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 20%, rgba(90, 90, 160, 0.35), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(80, 120, 180, 0.25), transparent 25%),
    radial-gradient(circle at 50% 90%, rgba(120, 80, 180, 0.18), transparent 30%),
    #02020a;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(white 1px, transparent 1px),
    radial-gradient(white 1px, transparent 1px),
    radial-gradient(rgba(255, 255, 255, 0.7) 1px, transparent 1px);
  background-size: 90px 90px, 140px 140px, 220px 220px;
  background-position: 0 0, 40px 70px, 130px 40px;
  opacity: 0.45;
  pointer-events: none;
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(2, 2, 10, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  max-width: 1150px;
  margin: 0 auto;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.nav-links a {
  color: #d6d6e7;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: #ffffff;
}

.hero {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 70px 20px 40px;
}

.logo {
  max-width: 900px;
  width: 94%;
  height: auto;
  margin-bottom: 28px;
}

.tagline {
  font-size: 1.35rem;
  max-width: 760px;
  color: #d6d6e7;
  margin: 0 0 32px;
}

.button {
  display: inline-block;
  padding: 14px 28px;
  border: 1px solid #ffffff;
  border-radius: 999px;
  color: #ffffff;
  text-decoration: none;
  transition: 0.2s ease;
}

.button:hover {
  background: #ffffff;
  color: #050509;
}

.feature-art {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

.hero-art {
  width: 100%;
  max-width: 950px;
  height: auto;
  border-radius: 26px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.section {
  max-width: 1050px;
  margin: 70px auto;
  padding: 42px 26px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.section-label {
  margin: 0 0 10px;
  color: #aeb8ff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: bold;
}

.section h2 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
}

.section-text {
  max-width: 850px;
  color: #d6d6e7;
  line-height: 1.75;
  font-size: 1.05rem;
}

.section-text a {
  color: #ffffff;
}

.card-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  padding: 24px;
  border-radius: 22px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: #d6d6e7;
  line-height: 1.6;
}

.project-panel {
  background:
    linear-gradient(135deg, rgba(80, 90, 180, 0.20), rgba(0, 0, 0, 0.35)),
    rgba(255, 255, 255, 0.045);
}

.contact-panel {
  margin-bottom: 40px;
}

.image-note {
  margin-top: 44px;
  font-size: 0.9rem;
  color: #a9a9c2;
  font-style: italic;
}

.footer {
  max-width: 1050px;
  margin: 0 auto;
  padding: 25px 20px 45px;
  color: #a9a9c2;
  font-size: 0.9rem;
  text-align: center;
}

@media (max-width: 800px) {
  .header-inner {
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    gap: 16px;
  }

  .logo {
    max-width: 520px;
    width: 95%;
  }

  .hero {
    min-height: 70vh;
  }

  .tagline {
    font-size: 1.1rem;
  }

  .section {
    margin: 42px 16px;
    padding: 32px 22px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}