body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: #0A0F1E;
  color: #E0E0E0;
  line-height: 1.6;
}

section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 80px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 15px 24px;
  background-color: #0A0F1E;
  border-bottom: 1px solid #1E3A8A;
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.logo img {
  width: 50px;
  height: auto;
}

.logo h2 {
  margin: 0;
  font-size: 1.25rem;
  color: #FFFFFF;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

nav ul {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  color: #00FFFF;
  text-decoration: none;
  font-weight: 500;
}

.cta-nav {
  background-color: #00FFFF;
  color: #0A0F1E;
  padding: 8px 14px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #00FFFF;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: clamp(420px, 70vh, 620px);
  padding: 72px 24px;
  background: linear-gradient(135deg, rgba(10, 15, 30, 0.82), rgba(10, 15, 30, 0.45)), url('hero-banner.png') center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero-overlay {
  color: #FFFFFF;
  max-width: 760px;
  padding: 32px 28px;
  background: rgba(10, 15, 30, 0.72);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.hero-overlay h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  margin-bottom: 15px;
  color: #00FFFF;
}

.hero-overlay p {
  font-size: 1.05rem;
  margin-bottom: 25px;
  color: #E0E0E0;
}

.hero-logo {
  width: min(220px, 42vw);
  height: auto;
  margin: 18px auto 24px;
  filter: drop-shadow(0 0 12px rgba(0, 255, 255, 0.7));
}

.hero-cta {
  margin-top: 15px;
  background-color: #00FFFF;
  color: #0A0F1E;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.card-grid {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.card {
  background-color: #1E3A8A;
  padding: 20px;
  border-radius: 8px;
  flex: 1;
  min-width: 250px;
  text-align: center;
}
.card img {
  width: 60px;
  margin-bottom: 10px;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.demo {
  background-color: #1E3A8A;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

.about-approach-grid,
.resources-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}

.panel-card {
  background-color: #111827;
  border: 1px solid rgba(0, 255, 255, 0.15);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.timeline .steps {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.approach-intro {
  margin: 8px 0 0;
  color: #E0E0E0;
  font-size: 1rem;
  line-height: 1.5;
}

.approach-intro.secondary {
  margin-top: 4px;
  color: #A7F3D0;
  font-size: 0.95rem;
}

.approach-illustration {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 24px auto 0;
  border-radius: 14px;
  border: 1px solid rgba(0, 255, 255, 0.2);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.step {
  background-color: #1E3A8A;
  padding: 15px 25px;
  border-radius: 50px;
}

.resources-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 80px 60px;
}

.extra {
  background-color: #111827;
  border-radius: 8px;
  margin-bottom: 0;
}
.read-more {
  display: inline-block;
  margin-top: 10px;
  background-color: #00FFFF;
  color: #0A0F1E;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.section-img {
  max-width: 100%;
  border-radius: 12px;
  margin-top: 20px;
  border: 1px solid rgba(0, 255, 255, 0.15);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #0A0F1E;
  border-top: 1px solid #1E3A8A;
}

@media (max-width: 1024px) {
  section { padding: 40px 30px; }
  .hero-logo { width: 220px; }
  h3 { font-size: 1.6rem; }
  p { font-size: 1rem; }
}

@media (max-width: 768px) {
  header {
    flex-wrap: wrap;
    padding: 12px 12px;
    position: relative;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  nav {
    width: 100%;
    position: absolute;
    left: 0;
    top: 100%;
    display: none;
    background-color: #0A0F1E;
    border-bottom: 1px solid #1E3A8A;
    padding: 0;
    z-index: 100;
  }

  nav ul {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 18px;
  }

  nav.active { display: block; }
  .menu-toggle { display: block; }
  
  .cta-nav {
    padding: 8px 10px;
    font-size: 0.9rem;
    white-space: nowrap;
  }

  section { padding: 30px 20px; }
  h3 { font-size: 1.4rem; }
  p { font-size: 0.95rem; line-height: 1.5; }

  .hero {
    min-height: 56vh;
    padding: 40px 16px;
  }

  .hero-overlay {
    padding: 24px 20px;
  }

  .hero-logo { width: 180px; max-width: 70vw; }

  .card-grid { flex-direction: column; }
  .demo-grid { grid-template-columns: 1fr; }
  .about-approach-grid,
  .resources-grid { grid-template-columns: 1fr; }
  .resources-section { padding: 0 20px 40px; }
  .timeline .steps { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  section { padding: 20px 15px; }
  h3 { font-size: 1.2rem; }
  p { font-size: 0.9rem; }

  header {
    padding: 10px 10px;
  }

  .hero {
    min-height: 50vh;
    padding: 28px 12px;
  }

  .hero-logo { width: 140px; }

  .about-approach-grid,
  .resources-grid { gap: 16px; }

  .cta-nav {
    padding: 7px 9px;
    font-size: 0.85rem;
    white-space: nowrap;
  }

  .hero-cta, .read-more {
    padding: 10px 16px;
    font-size: 0.9rem;
  }
}