* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

:root {
  --primary-gradient: linear-gradient(
    135deg,
    #5b7dbe 0%,
    #8b6fb0 50%,
    #764ba2 100%
  );
  --primary-blue: #5b7dbe;
  --primary-purple: #8b6fb0;
  --orange-primary: #ff7f32;
  --orange-secondary: #ff9e5c;
  --accent-blue: #4a9fd8;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f8f9ff 100%);
  overflow-y: auto;
  overflow-x: hidden;
}

.navbar-toggler {
  display: none;
}

.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(91, 125, 190, 0.1);
  padding: 10px 0px 10px;
}

.logo {
  width: 150px;
  height: auto;
}

.hero-section {
  background: var(--primary-gradient);
  color: white;
  padding: 60px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(74, 159, 216, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(139, 111, 176, 0.3) 0%,
      transparent 50%
    ),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,149.3C960,160,1056,160,1152,138.7C1248,117,1344,75,1392,53.3L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>')
      no-repeat bottom;
  background-size: cover;
  animation: gradientShift 15s ease infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
  letter-spacing: -1px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: 1.35rem;
  opacity: 0.98;
  max-width: 850px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  animation: fadeInUp 1s ease 0.2s backwards;
  font-weight: 400;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-hero {
  background: white;
  color: #5b7dbe;
  padding: 16px 45px;
  border-radius: 50px;
  font-weight: 700;
  border: none;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: fadeInUp 1s ease 0.4s backwards;
  font-size: 1.05rem;
}

.btn-hero:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 35px rgba(91, 125, 190, 0.4);
  color: #764ba2;
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 0.95rem;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease backwards;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ai-badge i {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}

.section-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.15rem;
  color: #64748b;
  max-width: 700px;
  margin: 0 auto 4rem;
  line-height: 1.7;
}

.orange-tab {
  display: none;
}

.content-box {
  background: white;
  border-radius: 20px;
  padding: 0;
  box-shadow: 0 20px 60px rgba(91, 125, 190, 0.08);
  border: 1px solid rgba(91, 125, 190, 0.1);
  overflow: hidden;
}

.feature-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 8px 30px rgba(91, 125, 190, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(91, 125, 190, 0.1);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 0;
  background: var(--primary-gradient);
  transition: height 0.4s ease;
}

.feature-card:hover::before {
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(91, 125, 190, 0.15);
  border-color: rgba(91, 125, 190, 0.2);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: var(--primary-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 20px rgba(91, 125, 190, 0.25);
  position: relative;
}

.feature-icon::after {
  content: "";
  position: absolute;
  inset: -3px;
  background: var(--primary-gradient);
  border-radius: 18px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  filter: blur(8px);
}

.feature-card:hover .feature-icon::after {
  opacity: 0.6;
}

.feature-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #1e293b;
}

.feature-description {
  color: #64748b;
  line-height: 1.8;
  font-size: 1.05rem;
}

.key-features-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #5b7dbe, #8b6fb0);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.6rem;
  margin-bottom: 1rem;
  box-shadow: 0 6px 20px rgba(91, 125, 190, 0.3);
}

.key-feature-item {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
  padding: 2rem;
  border-radius: 18px;
  margin-bottom: 1.5rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(91, 125, 190, 0.1);
}

.key-feature-item:hover {
  background: white;
  box-shadow: 0 12px 35px rgba(91, 125, 190, 0.15);
  transform: translateX(8px);
  border-color: rgba(91, 125, 190, 0.2);
}

.key-feature-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 0;
}


.copyright-section p {
  font-weight: 500;
}
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }
}