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

:root {
  --primary-color: #291ACB;
  --primary-rgb: 41, 26, 203;
  --secondary-color: #939E15;
  --secondary-rgb: 147, 158, 21;
  --accent-color: #A93BF7;
  --accent-rgb: 169, 59, 247;
  --success-color: #059669;
  --warning-color: #D97706;
  --error-color: #DC2626;
  --info-color: #0891B2;
  --neutral-color: #F8FAFC;
  --text-color: #111827;
  --text-muted: #6B7280;
  --border-color: #E5E7EB;
  --section-dark: #1F2937;
  --section-accent: #F3F4F6;
  --footer-bg: #111827;
  --footer-text: #D1D5DB;
  --spacing-xs: 10px;
  --spacing-sm: 16px;
  --spacing-md: 26px;
  --spacing-lg: 42px;
  --spacing-xl: 68px;
  --spacing-xxl: 110px;
}

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

body {
  background: #ffffff;
  color: var(--text-color);
  font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Source Sans Pro', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 26px;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 23px;
}

h3 {
  font-size: 20px;
}

h4 {
  font-size: 18px;
}

h5 {
  font-size: 16px;
}

h6 {
  font-size: 14px;
}

p {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

img {
  border-radius: 4px;
  height: auto;
  max-width: 100%;
  transition: transform 0.4s ease;
}

.container {
  margin: 0 auto;
  max-width: 1140px;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: -15px;
  margin-right: -15px;
}

.row > * {
  padding-left: 15px;
  padding-right: 15px;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.grid-2 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.grid-2 > * {
  flex: 1 1 calc(50% - var(--spacing-md) / 2);
  min-width: 280px;
}

.grid-3 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.grid-3 > * {
  flex: 1 1 calc(33.333% - var(--spacing-md) * 2 / 3);
  min-width: 260px;
}

.grid-4 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.grid-4 > * {
  flex: 1 1 calc(25% - var(--spacing-md) * 3 / 4);
  min-width: 240px;
}

.navbar {
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  left: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 1000;
}

.nav-logo {
  color: var(--primary-color);
  font-size: 20px;
  font-weight: 700;
}

.nav-menu {
  align-items: center;
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-item {
  display: inline-block;
}

.nav-link {
  color: var(--text-color);
  display: block;
  font-size: 16px;
  font-weight: 600;
  padding: 10px 16px;
  transition: color 0.3s ease;
}

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

.mobile-menu-toggle {
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  display: none;
  font-size: 24px;
  padding: var(--spacing-xs);
  position: absolute;
  right: var(--spacing-md);
  top: var(--spacing-sm);
  z-index: 1001;
}

main {
  padding-top: 70px;
}

.hero {
  align-items: center;
  background: linear-gradient(135deg, rgba(41, 26, 203, 0.8) 0%, rgba(169, 59, 247, 0.7) 100%),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23291ACB" width="1200" height="600"/></svg>') center/cover;
  color: #ffffff;
  display: flex;
  justify-content: center;
  min-height: 500px;
  padding: var(--spacing-xxl) var(--spacing-md);
  position: relative;
  text-align: center;
}

.hero::before {
  animation: float 6s ease-in-out infinite;
  background: radial-gradient(circle, rgba(169, 59, 247, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  content: '';
  height: 400px;
  left: -100px;
  position: absolute;
  top: -80px;
  width: 400px;
  z-index: 0;
}

.hero::after {
  animation: float 8s ease-in-out infinite reverse;
  background: radial-gradient(circle, rgba(147, 158, 21, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  bottom: -60px;
  content: '';
  height: 300px;
  position: absolute;
  right: -80px;
  width: 300px;
  z-index: 0;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: #ffffff;
  font-size: 26px;
  margin-bottom: var(--spacing-md);
}

.hero p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 18px;
  margin-bottom: var(--spacing-lg);
}

.header-hero {
  align-items: center;
  background: linear-gradient(135deg, rgba(41, 26, 203, 0.85) 0%, rgba(169, 59, 247, 0.75) 100%);
  color: #ffffff;
  display: flex;
  justify-content: center;
  min-height: 280px;
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.header-hero h1 {
  color: #ffffff;
  font-size: 23px;
}

.content-section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-dark {
  background-color: var(--section-dark);
  color: #ffffff;
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #ffffff;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.9);
}

.section-accent {
  background-color: var(--section-accent);
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-header {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.section-header h2 {
  color: var(--primary-color);
  font-size: 23px;
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  color: var(--text-muted);
  font-size: 16px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.card img {
  border-radius: 0;
  height: 220px;
  object-fit: cover;
  width: 100%;
}

.card h3 {
  color: var(--primary-color);
  font-size: 18px;
  margin-bottom: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-sm) 0;
}

.card p {
  color: var(--text-color);
  font-size: 14px;
  padding: 0 var(--spacing-sm) var(--spacing-sm);
}

.feature {
  background: var(--neutral-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: var(--spacing-md);
  text-align: center;
  transition: background 0.3s ease;
}

.feature:hover {
  background: #ffffff;
}

.feature-icon {
  color: var(--primary-color);
  font-size: 42px;
  margin-bottom: var(--spacing-sm);
}

.feature h3 {
  color: var(--text-color);
  font-size: 18px;
  margin-bottom: var(--spacing-xs);
}

.feature p {
  color: var(--text-muted);
  font-size: 14px;
}

.testimonial-card {
  background: #ffffff;
  border-left: 4px solid var(--accent-color);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: var(--spacing-md);
}

.testimonial-card p {
  color: var(--text-color);
  font-size: 16px;
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.testimonial-card footer {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
}

.pricing-card {
  background: #ffffff;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  padding: var(--spacing-lg);
  text-align: center;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.pricing-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-6px);
}

.pricing-card h3 {
  color: var(--primary-color);
  font-size: 20px;
  margin-bottom: var(--spacing-sm);
}

.pricing-card .price {
  color: var(--text-color);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.two-col-layout {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.two-col-layout > * {
  flex: 1 1 calc(50% - var(--spacing-lg) / 2);
  min-width: 300px;
}

.two-col-layout.reverse {
  flex-direction: row-reverse;
}

.two-col-layout img {
  border-radius: 4px;
  float: left;
  margin: 0 var(--spacing-md) var(--spacing-sm) 0;
  max-width: 45%;
}

.btn {
  background: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: 0;
  color: #ffffff;
  cursor: pointer;
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  padding: 12px 26px;
  text-align: center;
  transition: all 0.3s ease;
}

.btn:hover {
  background: transparent;
  box-shadow: 0 4px 12px rgba(41, 26, 203, 0.3);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
}

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

.btn-secondary {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  color: #ffffff;
}

.btn-secondary:hover {
  background: transparent;
  color: var(--secondary-color);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: #ffffff;
}

.btn-lg {
  font-size: 18px;
  padding: 16px 42px;
}

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

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

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-in"] {
  transform: none;
}

[data-animate="fade-in"].visible {
  opacity: 1;
}

[data-animate="slide-left"] {
  transform: translateX(-30px);
}

[data-animate="slide-left"].visible {
  opacity: 1;
  transform: translateX(0);
}

[data-animate="slide-right"] {
  transform: translateX(30px);
}

[data-animate="slide-right"].visible {
  opacity: 1;
  transform: translateX(0);
}

[data-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

[data-stagger] > *.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-divider {
  display: block;
  height: auto;
  line-height: 0;
  margin: -1px 0;
  width: 100%;
}

.section-divider svg {
  display: block;
  height: 60px;
  width: 100%;
}

.section-divider.flip {
  transform: scaleY(-1);
}

footer.section-dark {
  background: var(--footer-bg);
  border-top: 1px solid #374151;
  color: var(--footer-text);
  padding: var(--spacing-lg) var(--spacing-md);
}

footer.section-dark p,
footer.section-dark a {
  color: var(--footer-text);
  font-size: 14px;
}

footer.section-dark a:hover {
  color: #ffffff;
}

footer .footer-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

footer .copyright {
  color: #9CA3AF;
  font-size: 12px;
  text-align: center;
}

form {
  background: var(--neutral-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 0 auto;
  max-width: 600px;
  padding: var(--spacing-lg);
}

label {
  color: var(--text-color);
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
textarea,
select {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 16px;
  margin-bottom: var(--spacing-sm);
  padding: 12px 16px;
  width: 100%;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary-color);
  outline: none;
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.cta-highlight {
  animation: shimmer 3s linear infinite;
  background: linear-gradient(90deg,
    var(--primary-color) 0%,
    var(--accent-color) 50%,
    var(--primary-color) 100%);
  background-size: 200% auto;
}

@media screen and (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: none;
    flex-direction: column;
    gap: 0;
    left: 0;
    padding: var(--spacing-sm) 0;
    position: absolute;
    right: 0;
    top: 56px;
    z-index: 999;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-item {
    border-bottom: 1px solid var(--border-color);
    display: block;
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 16px 26px;
    width: 100%;
  }

  .hero {
    min-height: 400px;
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero h1 {
    font-size: 23px;
  }

  .hero p {
    font-size: 16px;
  }

  .grid-2 > *,
  .grid-3 > *,
  .grid-4 > * {
    flex: 1 1 100%;
    min-width: 100%;
  }

  .two-col-layout > * {
    flex: 1 1 100%;
    min-width: 100%;
  }

  .two-col-layout img {
    float: none;
    margin: 0 0 var(--spacing-sm) 0;
    max-width: 100%;
  }

  .container {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }

  .content-section,
  .section-dark,
  .section-accent {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  h1 {
    font-size: 23px;
  }

  h2 {
    font-size: 20px;
  }

  h3 {
    font-size: 18px;
  }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .container {
    max-width: 960px;
  }

  .grid-3 > * {
    flex: 1 1 calc(50% - var(--spacing-md) / 2);
  }

  .grid-4 > * {
    flex: 1 1 calc(50% - var(--spacing-md) / 2);
  }
}

@media screen and (min-width: 1025px) {
  .container {
    max-width: 1140px;
  }

  .hero {
    min-height: 550px;
  }

  .hero h1 {
    font-size: 26px;
  }
}