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

:root {
  --white: #ffffff;
  --deep-blue: #0a3d91;
  --electric-blue: #1b6cff;
  --navy-blue: #062a63;
  --soft-gray: #e6eaf0;
  --light-blue: #f5f8ff;
  --text-primary: #062a63;
  --text-secondary: #4a5568;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--white);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--soft-gray);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.8;
}

.logo:focus {
  outline: 2px solid var(--electric-blue);
  outline-offset: 4px;
  border-radius: 4px;
}

.nav-desktop {
  display: flex;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-link {
  color: var(--deep-blue);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  position: relative;
  padding: 8px 0;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--electric-blue);
  transition: width 0.3s ease;
}

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

.nav-link:focus {
  outline: none;
  color: var(--electric-blue);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--electric-blue);
  color: var(--white);
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid var(--electric-blue);
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background-color: var(--deep-blue);
  border-color: var(--deep-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(27, 108, 255, 0.3);
}

.cta-button:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(27, 108, 255, 0.3);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.hamburger:hover {
  background-color: var(--light-blue);
}

.hamburger:focus {
  outline: 2px solid var(--electric-blue);
  outline-offset: 2px;
}

.hamburger-line {
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger[aria-expanded="true"] .line-1 {
  transform: translateY(6px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .line-2 {
  opacity: 0;
}

.hamburger[aria-expanded="true"] .line-3 {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--white);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

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

.mobile-nav-list {
  list-style: none;
  margin-bottom: 40px;
}

.mobile-nav-link {
  display: block;
  color: var(--deep-blue);
  text-decoration: none;
  font-size: 24px;
  font-weight: 600;
  padding: 20px;
  transition: color 0.3s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  color: var(--electric-blue);
}

.mobile-cta {
  font-size: 18px;
  padding: 16px 40px;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 80px 80px;
  overflow: hidden;
}

.hero-grid-lines {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(to right, var(--soft-gray) 1px, transparent 1px),
    linear-gradient(to bottom, var(--soft-gray) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-grid-lines::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(27, 108, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--deep-blue);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-cta {
  font-size: 17px;
  padding: 16px 36px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-shape {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  animation: float 6s ease-in-out infinite;
}

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

.features {
  padding: 120px 80px;
  background-color: var(--light-blue);
  position: relative;
}

.features-container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-title {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  color: var(--deep-blue);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.feature-card {
  background-color: var(--white);
  padding: 40px 32px;
  border-radius: 16px;
  text-align: center;
  border: 1px solid var(--soft-gray);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(10, 61, 145, 0.08);
  border-color: var(--electric-blue);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--light-blue);
  border-radius: 16px;
}

.floating {
  animation: floating 3s ease-in-out infinite;
}

.floating-delay-1 {
  animation-delay: 0.5s;
}

.floating-delay-2 {
  animation-delay: 1s;
}

.floating-delay-3 {
  animation-delay: 1.5s;
}

@keyframes floating {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.feature-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--deep-blue);
  margin-bottom: 12px;
}

.feature-description {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.glow-separator {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--electric-blue), transparent);
  opacity: 0.3;
}

.about {
  padding: 120px 80px;
  background-color: var(--white);
}

.about-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
  background-color: var(--light-blue);
  border-radius: 12px;
  border: 1px solid var(--soft-gray);
}

.stat-number {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: var(--electric-blue);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.testimonials {
  padding: 120px 80px;
  background-color: var(--white);
  position: relative;
}

.testimonials::before {
  content: "";
  position: absolute;
  top: 0;
  left: 80px;
  right: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--soft-gray), transparent);
}

.testimonials-container {
  max-width: 1400px;
  margin: 0 auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.testimonial-card {
  padding: 40px;
  background-color: var(--white);
  border: 1px solid var(--soft-gray);
  border-radius: 16px;
  position: relative;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  border-color: var(--electric-blue);
  box-shadow: 0 8px 32px rgba(10, 61, 145, 0.06);
}

.testimonial-accent {
  position: absolute;
  bottom: 0;
  left: 40px;
  right: 40px;
  height: 3px;
  background-color: var(--electric-blue);
  border-radius: 0 0 16px 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.testimonial-card:hover .testimonial-accent {
  opacity: 1;
}

.testimonial-text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  color: var(--deep-blue);
  font-size: 15px;
}

.author-role {
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing {
  padding: 120px 80px;
  background-color: var(--light-blue);
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pricing-card {
  background-color: var(--white);
  padding: 48px 40px;
  border-radius: 16px;
  border: 2px solid var(--soft-gray);
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  border-color: var(--deep-blue);
  transform: translateY(-4px);
}

.pricing-card-featured {
  border-color: var(--electric-blue);
}

.pricing-card-featured:hover {
  border-color: var(--electric-blue);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--electric-blue);
  color: var(--white);
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 32px;
}

.pricing-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--deep-blue);
  margin-bottom: 8px;
}

.pricing-description {
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-price {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--soft-gray);
}

.price-amount {
  font-size: 48px;
  font-weight: 700;
  color: var(--deep-blue);
}

.price-currency {
  font-size: 20px;
  font-weight: 600;
  color: var(--deep-blue);
  vertical-align: top;
}

.price-period {
  font-size: 16px;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: 40px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  font-size: 15px;
  color: var(--text-primary);
}

.pricing-cta {
  width: 100%;
}

.contact {
  padding: 120px 80px;
  background-color: var(--white);
}

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

.contact-content {
  text-align: center;
  margin-bottom: 60px;
}

.contact-description {
  font-size: 18px;
  color: var(--text-secondary);
  margin-top: 16px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--deep-blue);
}

.form-input,
.form-textarea {
  padding: 16px 20px;
  border: 2px solid var(--soft-gray);
  border-radius: 12px;
  font-size: 16px;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--white);
  transition: all 0.3s ease;
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--electric-blue);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 4px rgba(27, 108, 255, 0.1);
}

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

.form-submit {
  align-self: center;
  padding: 16px 48px;
  font-size: 17px;
}

.footer {
  background-color: var(--white);
  padding: 40px 80px;
  border-top: 1px solid var(--soft-gray);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.footer-links {
  display: flex;
  gap: 40px;
}

.footer-link {
  color: var(--deep-blue);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-link:hover,
.footer-link:focus {
  color: var(--electric-blue);
}

.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--white);
  border-top: 1px solid var(--soft-gray);
  padding: 20px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 1001;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.cookie-notice.visible {
  transform: translateY(0);
}

.cookie-text {
  font-size: 14px;
  color: var(--deep-blue);
}

.cookie-accept {
  background-color: var(--electric-blue);
  color: var(--white);
  border: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.cookie-accept:hover {
  background-color: var(--deep-blue);
}

.cookie-accept:focus {
  outline: 2px solid var(--deep-blue);
  outline-offset: 2px;
}

.legal-page {
  padding: 140px 80px 80px;
  min-height: 100vh;
}

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

.legal-title {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  color: var(--deep-blue);
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

.legal-content {
  margin-bottom: 60px;
}

.legal-section {
  margin-bottom: 40px;
}

.legal-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--deep-blue);
  margin-bottom: 16px;
}

.legal-section p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-section ul {
  margin-left: 24px;
  margin-top: 12px;
}

.legal-section li {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--deep-blue);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: color 0.3s ease;
}

.back-link:hover,
.back-link:focus {
  color: var(--electric-blue);
}

.back-link:focus {
  outline: 2px solid var(--electric-blue);
  outline-offset: 4px;
  border-radius: 4px;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1200px) {
  .header-container {
    padding: 16px 40px;
  }

  .hero {
    padding: 120px 40px 80px;
  }

  .features,
  .about,
  .testimonials,
  .pricing,
  .contact {
    padding: 80px 40px;
  }

  .footer {
    padding: 40px;
  }

  .cookie-notice {
    padding: 20px 40px;
  }

  .legal-page {
    padding: 120px 40px 60px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

  .hero-shape {
    max-width: 300px;
  }

  .about-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 16px 24px;
  }

  .nav-desktop,
  .header-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 100px 24px 60px;
    min-height: auto;
  }

  .hero-grid-lines {
    background-size: 40px 40px;
  }

  .features,
  .about,
  .testimonials,
  .pricing,
  .contact {
    padding: 60px 24px;
  }

  .section-header {
    margin-bottom: 48px;
  }

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

  .feature-card {
    padding: 32px 24px;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stat-item {
    padding: 24px;
  }

  .testimonial-card {
    padding: 32px 24px;
  }

  .pricing-card {
    padding: 40px 24px;
  }

  .footer {
    padding: 32px 24px;
  }

  .footer-links {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .cookie-notice {
    padding: 16px 24px;
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .legal-page {
    padding: 100px 24px 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}