:root {
  --primary: #2c3e50;
  --secondary: #3498db;
  --accent: #e74c3c;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --text: #333333;
  --text-light: #777777;
}

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

body {
  font-family: "Roboto", sans-serif;
  color: var(--text);
  line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background-color: var(--primary);
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  color: white;
}

.logo img {
  width: 100%;
  max-width: 170px;
  position: relative;
  display: block;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 2rem;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--secondary);
}

/* Hero Section */
.hero {
  padding: 8rem 0 5rem;
  background: linear-gradient(135deg, var(--primary) 0%, #1a2530 100%);
  color: white;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: white;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  color: var(--light);
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  background-color: var(--secondary);
  color: white;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #2980b9;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

.btn-accent:hover {
  background-color: #c0392b;
}

/* Features */
.features {
  padding: 5rem 0;
  background-color: white;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.section-title h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--secondary);
}

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

.feature-card {
  background-color: var(--light);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  font-size: 3rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

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

/* How it works */
.how-it-works {
  padding: 5rem 0;
  background-color: #f8f9fa;
}

.steps {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.step {
  flex: 1;
  min-width: 250px;
  text-align: center;
  padding: 0 1.5rem;
  position: relative;
}

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

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 25px;
  right: 0;
  width: 70%;
  height: 2px;
  background-color: var(--secondary);
}

/* Pricing */
.pricing {
  padding: 5rem 0;
  background-color: white;
}

.pricing-options {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  padding: 2.5rem;
  text-align: center;
  flex: 1;
  min-width: 300px;
  max-width: 400px;
  transition: transform 0.3s;
}

.pricing-card:hover {
  transform: scale(1.05);
}

.pricing-card.popular {
  border: 2px solid var(--secondary);
  position: relative;
}

.popular-tag {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--secondary);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--secondary);
  margin: 1.5rem 0;
}

.price span {
  font-size: 1rem;
  font-weight: normal;
}

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

.features-list li {
  margin-bottom: 0.8rem;
  padding-left: 1.5rem;
  position: relative;
}

.features-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: bold;
}

/* FAQ */
.faq {
  padding: 5rem 0;
  background-color: #f8f9fa;
}

.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: 1rem;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.accordion-header {
  background-color: white;
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.accordion-content {
  background-color: white;
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s, padding 0.3s;
}

.accordion-content.active {
  padding: 1.5rem;
  max-height: 300px;
}

/* CTA */
.cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, #1a2530 100%);
  color: white;
  text-align: center;
}

.cta h2 {
  color: white;
  margin-bottom: 1.5rem;
}

.cta p {
  max-width: 700px;
  margin: 0 auto 2rem;
  color: var(--light);
}

/* Footer */
footer {
  background-color: var(--dark);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.footer-column {
  flex: 1;
  min-width: 250px;
  margin-bottom: 2rem;
}

.footer-column h3 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

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

.footer-column ul li {
  margin-bottom: 0.8rem;
}

.footer-column ul li a {
  color: var(--light);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-column ul li a:hover {
  color: var(--secondary);
}

.copyright {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--light);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
  }

  nav ul {
    margin-top: 1rem;
  }

  nav ul li {
    margin: 0 0.5rem;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .step:not(:last-child)::after {
    display: none;
  }

  .step {
    margin-bottom: 2rem;
  }
}