:root {
  --primary: #1ea9aa;
  --primary-hover: #188a89;
  --secondary: #2c3e50;
  --accent: #21ada9;
  --success: #10b981;
  --bg-main: #f8fafc;
  --bg-white: #ffffff;
  --text-main: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
}

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

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
}

/* Navbar */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background: var(--bg-white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
}

.btn-nav {
  background: var(--primary);
  color: white !important;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.3s;
}

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

/* Hero Section */
.hero {
  padding: 6rem 5%;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-white) 0%, #e0f2f1 100%);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(30, 169, 170, 0.2);
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(30, 169, 170, 0.3);
}

/* General Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 5%;
}

h2 {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 2rem;
  text-align: center;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
  border: 1px solid var(--border);
  text-align: center;
}

.feature-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--secondary);
}

.feature-card p {
  color: var(--text-muted);
}

/* User Guide / Steps */
.step {
  display: flex;
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 16px;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  border: 1px solid var(--border);
  align-items: center;
}

.step-number {
  background: var(--primary);
  color: white;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: bold;
  font-size: 1.25rem;
  margin-right: 1.5rem;
  flex-shrink: 0;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-white);
  padding: 3rem 2rem;
  border-radius: 16px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 10px 15px -3px rgba(30, 169, 170, 0.2);
  transform: scale(1.02);
}

.pricing-card h3 {
  font-size: 1.5rem;
  color: var(--secondary);
}

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

.price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: normal;
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  margin-right: 0.5rem;
  font-weight: bold;
}

/* Forms */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-white);
  padding: 3rem;
  border-radius: 16px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  border: 1px solid var(--border);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 169, 170, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
footer {
  background: var(--secondary);
  color: white;
  text-align: center;
  padding: 3rem 5%;
  margin-top: 4rem;
}

.footer-links {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
}

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