/* Animated welcome hero — ThinkData Project */
.hero_area--animated {
  position: relative;
  min-height: 100vh;
  background: #0a0c12;
  overflow: hidden;
}

.hero_area--animated #networkCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
  pointer-events: auto;
}

.hero_area--animated .header_section {
  position: relative;
  z-index: 20;
}

.hero_area--animated .floating-shape {
  position: absolute;
  z-index: 1;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
  animation: tdp-floatAround 20s infinite alternate ease-in-out;
}

.hero_area--animated .shape1 {
  width: 40vw;
  height: 40vw;
  bottom: -10vw;
  left: -10vw;
  background: radial-gradient(circle, rgba(80, 100, 255, 0.25), transparent);
  animation-duration: 25s;
}

.hero_area--animated .shape2 {
  width: 30vw;
  height: 30vw;
  top: -15vw;
  right: -5vw;
  background: radial-gradient(circle, rgba(0, 200, 255, 0.2), transparent);
  animation-duration: 18s;
  animation-direction: alternate-reverse;
}

.welcome_hero {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
  min-height: calc(100vh - 90px);
  text-align: center;
  padding: 2rem 1.5rem 4rem;
  color: #ffffff;
}

.welcome_hero .brand {
  margin-bottom: 1.5rem;
  animation: tdp-fadeInUp 1.2s cubic-bezier(0.2, 0.9, 0.4, 1.1) forwards;
}

.welcome_hero .brand h1 {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.4rem, 9vw, 5.2rem);
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #a5f0ff 40%, #4a9eff 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: tdp-shimmer 6s linear infinite, tdp-floatText 3s ease-in-out infinite;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.welcome_hero .tagline {
  font-family: 'Inter', sans-serif;
  font-size: clamp(0.95rem, 3.5vw, 1.35rem);
  font-weight: 400;
  letter-spacing: 0.3px;
  color: #e0eaff;
  background: rgba(10, 20, 40, 0.6);
  backdrop-filter: blur(10px);
  display: inline-block;
  padding: 0.6rem 1.8rem;
  border-radius: 60px;
  border: 1px solid rgba(74, 158, 255, 0.4);
  box-shadow: 0 0 20px rgba(74, 158, 255, 0.2);
  animation: tdp-fadeInUp 1s 0.3s forwards, tdp-pulseGlow 3s infinite;
  opacity: 0;
  animation-fill-mode: forwards;
}

.welcome_hero .hero-description {
  margin-top: 1.75rem;
  max-width: 640px;
  font-family: 'Inter', sans-serif;
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  line-height: 1.65;
  color: #b0c4ff;
  font-weight: 300;
  opacity: 0;
  animation: tdp-fadeInUp 1s 0.6s forwards;
  padding: 0 0.5rem;
}

.welcome_hero .hero-btn-group {
  margin-top: 2.5rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: tdp-fadeInUp 1s 0.9s forwards;
}

.welcome_hero .hero-btn {
  font-family: 'Inter', sans-serif;
  padding: 0.75rem 1.85rem;
  border-radius: 40px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.35s ease;
  font-size: 0.92rem;
  letter-spacing: 0.4px;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.welcome_hero .hero-btn-primary {
  background: linear-gradient(105deg, #2b6ef0, #1a4fcf);
  color: #fff;
  box-shadow: 0 8px 20px rgba(43, 110, 240, 0.35);
  border: none;
}

.welcome_hero .hero-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(43, 110, 240, 0.5);
  color: #fff;
}

.welcome_hero .hero-btn-outline {
  background: rgba(255, 255, 255, 0.06);
  color: #d6e6ff;
  border: 1px solid rgba(74, 158, 255, 0.55);
}

.welcome_hero .hero-btn-outline:hover {
  background: rgba(74, 158, 255, 0.2);
  transform: translateY(-3px);
  color: #fff;
  box-shadow: 0 0 18px rgba(74, 158, 255, 0.35);
}

.welcome_hero .scroll-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: rgba(180, 210, 255, 0.7);
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0;
  animation: tdp-fadeInUp 1s 1.2s forwards, tdp-bounce 2s 2s infinite;
}

.welcome_hero .scroll-hint i {
  font-size: 1.25rem;
}

@keyframes tdp-fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes tdp-shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes tdp-floatText {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes tdp-pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 rgba(74, 158, 255, 0.3);
    border-color: rgba(74, 158, 255, 0.35);
  }
  50% {
    box-shadow: 0 0 22px rgba(74, 158, 255, 0.55);
    border-color: rgba(74, 158, 255, 0.75);
  }
}

@keyframes tdp-floatAround {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(5%, 5%) scale(1.05); }
}

@keyframes tdp-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

@media (max-width: 768px) {
  .welcome_hero .hero-btn {
    padding: 0.65rem 1.35rem;
    font-size: 0.85rem;
  }
}
