/* Base Variables */
:root {
  --primary: #27ae60;
  --secondary: #f1c40f;
  --dark: #2c3e50;
  --light: #ecf0f1;
  --white: #ffffff;
  --gradient: linear-gradient(120deg, var(--primary), var(--secondary));
  --box-shadow: 0 10px 20px rgba(39, 174, 96, 0.2);
  --text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --border-radius: 10px;
  --transition: all 0.3s ease;
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Raleway', sans-serif;
  color: var(--dark);
  background-color: #fafafa;
  overflow-x: hidden;
  line-height: 1.7;
}

a {
  text-decoration: none;
  color: var(--primary);
  transition: var(--transition);
}

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

ul, ol {
  list-style-type: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: 0.5em;
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
}

h1 {
  font-size: 3rem;
  margin-bottom: 0.7em;
  position: relative;
}

h1::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient);
  margin-top: 0.5em;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 0.8em;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: 1.5rem;
}

.text-center {
  text-align: center;
}

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

/* Layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.section-dark {
  background-color: var(--dark);
  color: var(--light);
}

.section-dark h2, 
.section-dark h3 {
  color: var(--light);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  background-color: transparent;
  transition: all 0.4s ease;
}

.header.scrolled {
  background-color: var(--white);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  padding: 0.75rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  transition: var(--transition);
}

.header.scrolled .logo-text {
  color: var(--dark);
}

.logo svg {
  width: 35px;
  height: 35px;
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, rgba(39, 174, 96, 0.95), rgba(241, 196, 15, 0.95));
  color: var(--white);
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

.hero-content {
  max-width: 600px;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: var(--text-shadow);
  color: var(--white);
}

.hero-text {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  max-width: 500px;
}

/* Decorative Elements */
.hero-decoration {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 40%;
  max-width: 500px;
  z-index: 1;
  opacity: 0.9;
}

.shape-1 {
  position: absolute;
  top: -50px;
  left: -50px;
  width: 200px;
  height: 200px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.shape-2 {
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  font-size: 0.9rem;
  z-index: 1;
  border: none;
  cursor: pointer;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: all 0.3s ease;
  z-index: -1;
}

.btn:hover::before {
  transform: translateX(0);
}

.btn-primary {
  background-color: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: var(--white);
  color: var(--primary);
  transform: translateY(-3px);
}

/* Features Section */
.features {
  background-color: var(--white);
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 4px;
  background: var(--gradient);
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.feature-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.feature-title {
  margin-bottom: 1rem;
}

/* How It Works */
.how-it-works {
  background-color: #f8f9fa;
  position: relative;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--gradient);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-content {
  position: relative;
  width: 45%;
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 20px;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-number {
  position: absolute;
  top: -15px;
  left: -15px;
  width: 50px;
  height: 50px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  z-index: 1;
}

/* CTA Section */
.cta {
  background: var(--gradient);
  color: var(--white);
  text-align: center;
  padding: 5rem 0;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  margin-bottom: 1rem;
  color: var(--white);
}

.cta-text {
  margin-bottom: 2.5rem;
  font-size: 1.1rem;
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: var(--light);
  padding: 4rem 0 2rem;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.footer-logo svg {
  width: 35px;
  height: 35px;
  margin-right: 10px;
}

.footer-logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.footer-about {
  max-width: 350px;
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--white);
  position: relative;
  display: inline-block;
}

.footer-title::after {
  content: '';
  position: absolute;
  width: 40px;
  height: 3px;
  background: var(--gradient);
  bottom: -10px;
  left: 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
}

.footer-link {
  color: var(--light);
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--secondary);
  transform: translateX(5px);
}

.footer-bottom {
  margin-top: 3rem;
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animation classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
  .timeline::before {
    left: 40px;
  }
  
  .timeline-content {
    width: calc(100% - 80px);
    margin-left: 80px !important;
  }
  
  .timeline-item::before {
    left: 40px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero {
    min-height: 600px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-decoration {
    opacity: 0.3;
  }
}

@media (max-width: 576px) {
  .btn {
    padding: 0.875rem 1.5rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .timeline-content {
    padding: 1.5rem;
  }
}