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

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #8b5cf6;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --success-color: #10b981;
  --error-color: #ef4444;
  --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);
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: transparent;
  box-shadow: none;
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  background-color: var(--bg-white);
  box-shadow: var(--shadow-md);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo a {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar.scrolled .logo a {
  color: var(--primary-color);
}

.logo-icon {
  width: 32px;
  height: 32px;
  transition: var(--transition);
}

.logo-icon path,
.logo-icon circle,
.logo-icon rect {
  fill: white;
  transition: var(--transition);
}

.navbar.scrolled .logo-icon path,
.navbar.scrolled .logo-icon circle,
.navbar.scrolled .logo-icon rect {
  fill: var(--primary-color);
}

.logo a:hover {
  opacity: 0.8;
}

.navbar.scrolled .logo a:hover {
  color: var(--primary-dark);
  opacity: 1;
}

.navbar.scrolled .logo a:hover .logo-icon path,
.navbar.scrolled .logo a:hover .logo-icon circle,
.navbar.scrolled .logo a:hover .logo-icon rect {
  fill: var(--primary-dark);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  justify-content: flex-end;
}

.nav-menu li {
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.navbar.scrolled .nav-link {
  color: var(--text-dark);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: white;
  transition: var(--transition);
}

.navbar.scrolled .nav-link::after {
  background-color: var(--primary-color);
}

.nav-link:hover {
  opacity: 0.8;
}

.navbar.scrolled .nav-link:hover {
  color: var(--primary-color);
  opacity: 1;
}

.nav-link:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 4px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: white;
  transition: var(--transition);
}

.navbar.scrolled .menu-toggle span {
  background-color: var(--text-dark);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

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

.hero-content {
  animation: fadeInUp 0.8s ease;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 0.8s ease;
}

.hero-illustration {
  width: 100%;
  max-width: 500px;
  height: auto;
}

.hero-get-started {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: white;
  color: var(--primary-color);
  padding: 0.875rem 1.5rem;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: none;
}

.hero-get-started:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.hero-get-started-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
}

.hero-get-started .btn-icon {
  background-color: transparent;
  padding: 0;
  width: auto;
  height: auto;
}

.hero-get-started .arrow-right-icon {
  width: 20px;
  height: 20px;
  stroke: var(--primary-color);
}

/* Buttons */
.btn {
  display: inline-block;
  border-radius: 9999px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

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

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

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

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

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-color: transparent;
  color: white;
  padding: 4px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-navbar {
  background-color: white;
  color: var(--primary-color);
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  border-radius: 9999px;
  transition: var(--transition);
}

.btn-navbar:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.navbar.scrolled .btn-navbar:hover {
  background-color: var(--primary-dark);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-md {
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
}

.btn-lg {
  padding: 1rem 1.5rem;
  font-size: 1.25rem;
}

.arrow-right-icon {
  width: 24px;
  height: 24px;
}

/* Section Styles */
section {
  padding: 80px 0;
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Features Section */
.features {
  background-color: var(--bg-white);
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background-color: transparent;
  padding: 0;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-wrapper {
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.feature-icon-svg {
  width: 40px;
  height: 40px;
  stroke: white;
  fill: none;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
  margin: 0;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-white);
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu .nav-link {
    color: var(--text-dark);
  }

  .nav-menu .nav-link::after {
    background-color: var(--primary-color);
  }

  .nav-menu .nav-link:hover {
    color: var(--primary-color);
    opacity: 1;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .hero-get-started {
    justify-content: center;
  }

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

  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

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

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
  }

  .section-title {
    font-size: 1.75rem;
  }
}