:root {
  --primary-color: #1a3a5f;
  /* Industrial Deep Blue */
  --secondary-color: #4a5568;
  /* Slate Grey */
  --accent-color: #2b6cb0;
  /* Lighter Blue */
  --bg-light: #f8f9fa;
  --text-dark: #2d3748;
  --text-muted: #718096;
  --white: #ffffff;
  --border-color: #e2e8f0;
  --success-color: #2f855a;
  /* Safe System Font Stack (No external calls) */
  --font-main: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

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

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3 {
  color: var(--primary-color);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-dark);
}

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 4rem 0;
}

/* Header */
header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo span {
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 0.5rem;
  border-left: 1px solid var(--border-color);
  padding-left: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--accent-color);
}

/* Hero Section */
.hero {
  background-color: var(--bg-light);
  padding: 6rem 0;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero h2 {
  text-align: left;
  font-size: 1.5rem;
  color: var(--secondary-color);
  font-weight: 500;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.hero-image {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.trust-badges {
  margin-top: 1.5rem;
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-check {
  color: var(--success-color);
  font-weight: bold;
}

/* Problem Section */
.problem {
  background-color: var(--white);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.problem-card {
  padding: 2rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-light);
}

.problem-card h3 {
  color: var(--primary-color);
  font-size: 1.25rem;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--text-dark);
}

/* How It Works */
.how-it-works {
  background-color: var(--bg-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-top: 3rem;
}

.step {
  text-align: center;
}

.step-num {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-weight: bold;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.feature-icon {
  font-size: 1.5rem;
}

/* Pricing */
.pricing {
  background-color: var(--primary-color);
  color: var(--white);
}

.pricing h2,
.pricing h3 {
  color: var(--white);
}

.pricing-card {
  max-width: 600px;
  margin: 3rem auto 0;
  background: var(--white);
  color: var(--text-dark);
  padding: 3rem;
  border-radius: 8px;
  text-align: center;
}

.price-tag {
  font-size: 3rem;
  font-weight: 800;
  margin: 1.5rem 0;
  color: var(--primary-color);
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin: 1.5rem 0 2.5rem;
}

.pricing-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.pricing-features li::before {
  content: "✓";
  color: var(--success-color);
  margin-right: 0.75rem;
  font-weight: bold;
}

/* Footer */
footer {
  padding: 4rem 0 2rem;
  background: #1a202c;
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-links h4 {
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #cbd5e0;
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid #2d3748;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {

  .hero-grid,
  .problem-grid,
  .steps-grid,
  .features-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2rem;
  }

  section {
    padding: 3rem 0;
  }
}

/* Contact Section */
.contact-section {
  background-color: #0f172a;
  padding: 6rem 0;
  border-top: 1px solid #1e293b;
}

.contact-section h2 {
  color: var(--white);
}

.contact-section p {
  color: #94a3b8;
}

.contact-form-container {
  max-width: 650px;
  margin: 0 auto;
}

.contact-form {
  background: #1e293b;
  padding: 3rem;
  border-radius: 12px;
  border: 1px solid #334155;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: #94a3b8;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem;
  border: 1px solid #334155;
  border-radius: 8px;
  background: #0f172a;
  color: var(--white);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  background: #0f172a;
  box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #475569;
}

.form-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: #64748b;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Success Toast */
.success-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--success-color);
  color: white;
  padding: 1rem 2rem;
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2000;
  transform: translateY(200%);
  transition: transform 0.3s ease;
}

.success-toast.active {
  transform: translateY(0);
}