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

:root {
  --color-white: #ffffff;
  --color-deep-blue: #0a3d91;
  --color-electric-blue: #1b6cff;
  --color-navy-blue: #062a63;
  --color-soft-gray: #e6eaf0;
  --color-light-blue: #f5f8ff;
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --shadow-float: 0 8px 32px rgba(10, 61, 145, 0.08);
  --shadow-hover: 0 12px 48px rgba(10, 61, 145, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-navy-blue);
  background-color: var(--color-white);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-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: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.05);
}

.logo:focus {
  outline: 2px solid var(--color-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(--color-deep-blue);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-primary);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-electric-blue);
  color: var(--color-white);
  border-color: var(--color-electric-blue);
}

.btn-primary:hover {
  background-color: var(--color-deep-blue);
  border-color: var(--color-deep-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}

.btn-primary:focus {
  outline: 2px solid var(--color-deep-blue);
  outline-offset: 2px;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-deep-blue);
  border-color: var(--color-deep-blue);
}

.btn-secondary:hover {
  background-color: var(--color-deep-blue);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

.header-cta {
  padding: 10px 20px;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  transition: background-color var(--transition-fast);
}

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

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

.hamburger-line {
  transition: all var(--transition-medium);
  transform-origin: center;
}

.hamburger[aria-expanded="true"] .line-1 {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger[aria-expanded="true"] .line-3 {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-medium);
}

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

.nav-mobile-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.nav-mobile-link {
  color: var(--color-deep-blue);
  text-decoration: none;
  font-size: 24px;
  font-weight: 600;
  transition: color var(--transition-fast);
}

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

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

.nav-mobile-cta {
  margin-top: 20px;
  padding: 16px 32px;
  font-size: 18px;
}

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

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

.hero-grid::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(27, 108, 255, 0.05) 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(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-deep-blue);
  margin-bottom: 24px;
}

.hero-description {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-navy-blue);
  margin-bottom: 40px;
  opacity: 0.9;
}

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

.hero-graphic {
  width: 100%;
  max-width: 400px;
  height: auto;
  animation: rotate-slow 60s linear infinite;
}

@keyframes rotate-slow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--color-deep-blue);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--color-navy-blue);
  opacity: 0.8;
}

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

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

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

.feature-card {
  background-color: var(--color-white);
  padding: 40px 32px;
  border-radius: 16px;
  border: 1px solid var(--color-soft-gray);
  transition: all var(--transition-medium);
  position: relative;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-electric-blue);
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background-color: var(--color-light-blue);
  border-radius: 16px;
}

.floating {
  animation: float 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 float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

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

.feature-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-navy-blue);
  opacity: 0.85;
}

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

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

.about-content .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.about-text {
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-navy-blue);
  margin-bottom: 20px;
  opacity: 0.9;
}

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

.stat-item {
  text-align: center;
  padding: 32px 24px;
  background-color: var(--color-light-blue);
  border-radius: 16px;
  border: 1px solid var(--color-soft-gray);
}

.stat-number {
  display: block;
  font-size: 40px;
  font-weight: 700;
  color: var(--color-electric-blue);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-deep-blue);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

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

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

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

.testimonial-card::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 40px;
  right: 40px;
  height: 3px;
  background-color: var(--color-electric-blue);
  border-radius: 4px 4px 0 0;
  opacity: 0.5;
}

.testimonial-content {
  margin-bottom: 32px;
}

.testimonial-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-navy-blue);
  font-style: italic;
}

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

.author-avatar {
  flex-shrink: 0;
}

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

.author-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-deep-blue);
}

.author-role {
  font-size: 14px;
  color: var(--color-navy-blue);
  opacity: 0.7;
}

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

.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(--color-white);
  padding: 40px;
  border-radius: 16px;
  border: 2px solid var(--color-deep-blue);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-medium);
  position: relative;
}

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

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

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-electric-blue);
  color: var(--color-white);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-header {
  margin-bottom: 24px;
}

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

.pricing-description {
  font-size: 14px;
  color: var(--color-navy-blue);
  opacity: 0.8;
}

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

.price-amount {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-deep-blue);
}

.price-period {
  font-size: 16px;
  color: var(--color-navy-blue);
  opacity: 0.7;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-navy-blue);
}

.pricing-feature svg {
  flex-shrink: 0;
}

.pricing-cta {
  width: 100%;
  text-align: center;
}

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

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

.contact-form {
  background-color: var(--color-white);
  padding: 48px;
  border-radius: 16px;
  border: 1px solid var(--color-soft-gray);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-deep-blue);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-primary);
  font-size: 16px;
  color: var(--color-navy-blue);
  background-color: var(--color-white);
  border: 2px solid var(--color-soft-gray);
  border-radius: 8px;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-electric-blue);
}

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

.form-submit {
  width: 100%;
  margin-top: 8px;
}

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

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

.footer-nav {
  display: flex;
  gap: 48px;
}

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

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

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

.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-soft-gray);
  padding: 20px;
  z-index: 1001;
  transform: translateY(100%);
  transition: transform var(--transition-medium);
}

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

.cookie-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.cookie-accept {
  flex-shrink: 0;
  padding: 10px 24px;
}

.legal-page {
  padding: 140px 80px 80px;
}

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

.legal-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--color-deep-blue);
  margin-bottom: 16px;
}

.legal-updated {
  font-size: 14px;
  color: var(--color-navy-blue);
  opacity: 0.7;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-soft-gray);
}

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

.legal-section h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-deep-blue);
  margin-bottom: 16px;
}

.legal-section p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-navy-blue);
  margin-bottom: 16px;
}

.legal-list {
  list-style: none;
  padding-left: 0;
}

.legal-list li {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-navy-blue);
  padding-left: 24px;
  position: relative;
  margin-bottom: 8px;
}

.legal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  background-color: var(--color-electric-blue);
  border-radius: 50%;
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  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 {
    padding: 80px 40px;
  }

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

  .about {
    padding: 80px 40px;
  }

  .testimonials {
    padding: 80px 40px;
  }

  .pricing {
    padding: 80px 40px;
  }

  .contact {
    padding: 80px 40px;
  }

  .footer {
    padding: 40px;
  }

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

@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

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

  .hero-visual {
    order: -1;
  }

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

  .about-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-content .section-title {
    text-align: center;
  }

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

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

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

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

  .nav-desktop {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-mobile {
    display: block;
  }

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

  .hero-title {
    font-size: 36px;
  }

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

  .features {
    padding: 60px 24px;
  }

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

  .about {
    padding: 60px 24px;
  }

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

  .testimonials {
    padding: 60px 24px;
  }

  .pricing {
    padding: 60px 24px;
  }

  .contact {
    padding: 60px 24px;
  }

  .contact-form {
    padding: 32px 24px;
  }

  .footer {
    padding: 32px 24px;
  }

  .footer-nav {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .cookie-container {
    flex-direction: column;
    text-align: center;
  }

  .legal-page {
    padding: 100px 24px 48px;
  }

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

@media (max-width: 480px) {
  .hero-graphic {
    max-width: 240px;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 32px;
  }

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

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

  .btn-large {
    padding: 14px 24px;
    font-size: 15px;
  }
}