:root {
  --primary-color: #1d4ed8;
  --primary-light: #2563eb;
  --primary-dark: #1e40af;
  --secondary-color: #64748b;
  --light-bg: #f8fafc;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: #1f2937;
  background-color: #ffffff;
  line-height: 1.6;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

p {
  color: #4b5563;
  line-height: 1.6;
}

.section-title {
  font-size: 2.5rem;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: #64748b;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Spacing */
.py-6 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.p-6 {
  padding: 3rem;
}

/* Navbar */
.custom-navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
  padding: 1rem 0;
}

.custom-navbar:hover {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.navbar-brand img {
  height: 42px;
  transition: transform 0.3s ease;
}

.navbar-brand:hover img {
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: #4b5563 !important;
  padding: 0.6rem 1rem !important;
  position: relative;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
  font-weight: 600;
}

.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 35%;
  height: 2px;
  background: var(--primary-color);
  border-radius: 2px;
}

.btn-primary {
  background: var(--primary-color);
  border: none;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #0c0c0c 0%, #313749 100%);
  padding: 8rem 0;
  color: white;
  margin-top: 70px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/img/bg.webp");
  opacity: 0.3;
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: 1.35rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.7;
}

.hero-secondary-text {
  font-size: 1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.85);
}

/* Feature Cards */
.feature-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-badge {
  font-size: 2.5rem;
  line-height: 1;
}

.feature-card h5 {
  font-size: 1.1rem;
  color: #1f2937;
  font-weight: 700;
}

.feature-card p {
  color: #64748b;
}

/* Visibility Card */
.bg-light-subtle {
  background: #f0f4f8;
}

.visibility-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
}

.visibility-item {
  display: flex;
  align-items: flex-start;
  font-size: 1.05rem;
  color: #1f2937;
}

.check-icon {
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Feature Box */
.feature-box {
  border: 1.5px solid var(--border-color);
  background: #ffffff;
  transition: all 0.3s ease;
}

.feature-box:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-box h5 {
  font-size: 1.05rem;
  color: #1f2937;
}

/* AI Card */
.bg-gradient-ai {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.ai-item {
  display: flex;
  align-items: flex-start;
  font-size: 1.05rem;
}

.ai-check {
  color: #4ade80;
  font-weight: bold;
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Pricing Section */
.pricing-card {
  transition: all 0.3s ease;
  background: #ffffff;
}

.pricing-card:not(.pricing-featured):hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.pricing-featured {
  border: none;
  color: #ffffff;
}

.badge-featured {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #fbbf24;
  color: #78350f;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
}

.pricing-header {
  background: #f8fafc;
  border-bottom: 1px solid var(--border-color);
}

.pricing-featured .pricing-header {
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.8) 0%, rgba(37, 99, 235, 0.8) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-body {
  display: flex;
  flex-direction: column;
}

.pricing-amount h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #1f2937;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.pricing-featured .pricing-amount h2 {
  color: #ffffff;
}

.pricing-features {
  flex-grow: 1;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  font-size: 0.95rem;
  color: #4b5563;
}

.pricing-featured .pricing-feature {
  color: rgba(255, 255, 255, 0.9);
}

.feature-check {
  color: var(--primary-color);
  font-weight: 800;
  flex-shrink: 0;
}

.pricing-featured .feature-check {
  color: #4ade80;
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transition: all 0.3s ease;
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M0 0h40v40H0z'/%3E%3C/g%3E%3C/svg%3E");
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: #ffffff;
  font-size: 2.5rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
}

/* Footer */
footer {
  background: #111827;
  border-top: 1px solid var(--border-color);
}

footer a {
  transition: all 0.3s ease;
  color: rgba(255, 255, 255, 0.6);
}

footer a:hover {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: underline;
}

/* Utilities */
.bg-gradient-blue {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.bg-gradient-blue-dark {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.fw-600 {
  font-weight: 600;
}

.hover-link {
  transition: all 0.3s ease;
}

.hover-link:hover {
  color: rgba(255, 255, 255, 0.95) !important;
}

.opacity-90 {
  opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

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

  .py-6 {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .p-6 {
    padding: 2rem;
  }

  .pricing-card {
    margin-bottom: 1rem;
  }

  .feature-card,
  .feature-box,
  .visibility-card {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: 5rem 0;
    margin-top: 60px;
  }

  .hero-title {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .py-6 {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .p-6 {
    padding: 1.5rem;
  }
}