:root {
  --color-primary: #121212;
  --color-secondary: #E5E5E5;
  --color-accent: #007AFF;
  --color-background: #FFFFFF;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 0;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --spacing: 1.5rem;
  --transition-snap: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --letter-spacing-tight: -0.03em;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-background);
  color: var(--color-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main {
  flex: 1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing);
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-secondary);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: var(--spacing) 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-link img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-name {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: var(--letter-spacing-tight);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

nav a {
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-snap);
}

nav a:hover::after,
nav a:focus-visible::after {
  width: 100%;
}

.burger-btn {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--color-secondary);
  background: var(--color-background);
}

.burger-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-snap);
}

.burger-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}



.burger-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--color-background);
  z-index: 201;
  padding: 5rem 2rem 2rem;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 1px solid var(--color-secondary);
  overflow-y: auto;
}

.burger-menu.active {
  transform: translateX(0);
}

.burger-menu nav ul {
  flex-direction: column;
  gap: 0;
}

.burger-menu nav a {
  display: block;
  padding: 1rem 0;
  font-size: 1rem;
  border-bottom: 1px solid var(--color-secondary);
}

@media (max-width: 1023px) {
  .burger-menu { max-width: 320px; }
  .desktop-nav {
    display: none;
  }

  .burger-btn {
    display: flex;
  }

  .burger-menu {
    display: block;
  }

  .burger-overlay {
    display: block;
  }
}

section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.5rem;
  letter-spacing: -0.04em;
}

.section-header p {
  color: var(--color-primary);
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

.hero {
  padding: 4rem 0 5rem;
  background: linear-gradient(180deg, var(--color-background) 0%, rgba(229, 229, 229, 0.2) 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  max-width: 540px;
}

.hero-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero-description {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.hero-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.hero-rating span {
  color: var(--color-accent);
  font-weight: 600;
}

.hero-prices {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-price-current {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.hero-price-old {
  font-size: 1.125rem;
  text-decoration: line-through;
  opacity: 0.6;
}

.hero-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 400px;
}

.hero-form input,
.hero-form textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-secondary);
  font-family: inherit;
  font-size: 0.9375rem;
}

.hero-form input:focus,
.hero-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
}

.hero-form textarea {
  min-height: 100px;
  resize: vertical;
}

.form-gdpr {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.form-gdpr input {
  width: auto;
  margin-top: 0.25rem;
}

.form-gdpr label {
  font-size: 0.8125rem;
  opacity: 0.9;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-background);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-snap);
  position: relative;
  overflow: hidden;
}

.btn-cta:hover,
.btn-cta:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-cta:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.hero-visual img {
  max-height: 380px;
  object-fit: contain;
}

.disclaimer-block {
  background: var(--color-secondary);
  padding: 1.5rem;
  margin-top: 2rem;
  font-size: 0.8125rem;
  opacity: 0.9;
}

.disclaimer-block p {
  margin: 0;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  border: 1px solid var(--color-secondary);
  padding: 2rem;
  transition: var(--transition-snap);
  background: var(--color-background);
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.card p {
  font-size: 0.9375rem;
  opacity: 0.9;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.integration-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--color-secondary);
}

.integration-item:hover {
  border-color: var(--color-accent);
}

.integration-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.report-card {
  border: 1px solid var(--color-secondary);
  padding: 2rem;
}

.report-card:hover {
  border-color: var(--color-accent);
}

.report-stars {
  color: var(--color-accent);
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.report-text {
  font-style: italic;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.report-author {
  font-size: 0.8125rem;
  opacity: 0.8;
}

.accordion-item {
  border: 1px solid var(--color-secondary);
  margin-bottom: 0.5rem;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  background: var(--color-background);
}

.accordion-trigger:hover {
  background: rgba(0, 122, 255, 0.05);
}

.accordion-trigger::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 300;
  transition: transform var(--transition-snap);
}

.accordion-item[data-open] .accordion-trigger::after {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content-inner {
  padding: 0 1.5rem 1.25rem;
}

.contact-section {
  background: var(--color-primary);
  color: var(--color-background);
  padding: 4rem 0;
}

.contact-section h2 {
  color: var(--color-background);
}

.contact-section p {
  opacity: 0.9;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info p {
  margin-bottom: 1rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-weight: 600;
  transition: var(--transition-snap);
}

.contact-link:hover,
.contact-link:focus-visible {
  background: var(--color-accent);
  color: var(--color-background);
}

footer {
  margin-top: auto;
  padding: 2rem 0;
  border-top: 1px solid var(--color-secondary);
  background: var(--color-background);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: var(--color-background);
  padding: 1.5rem 2rem;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.2);
}

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

.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cookie-text {
  flex: 1;
  min-width: 280px;
  font-size: 0.9375rem;
}

.cookie-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--color-secondary);
  background: transparent;
  color: var(--color-background);
  font-size: 0.875rem;
  transition: var(--transition-snap);
}

.cookie-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.cookie-btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.cookie-settings {
  display: none;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cookie-settings.visible {
  display: block;
}

.cookie-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.cookie-toggle label {
  font-size: 0.9375rem;
}

.thank-you-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
}

.thank-you-page h1 {
  margin-bottom: 1rem;
}

.thank-you-page p {
  margin-bottom: 2rem;
  opacity: 0.9;
}

.legal-page {
  padding: 4rem 0;
}

.legal-page h1 {
  margin-bottom: 1rem;
}

.legal-page .date {
  margin-bottom: 2rem;
  font-size: 0.875rem;
  opacity: 0.8;
}

.legal-page h2 {
  margin: 2rem 0 1rem;
}

.legal-page p,
.legal-page ul {
  margin-bottom: 1rem;
}

.legal-page ul {
  padding-left: 1.5rem;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-on-scroll.parallax-left {
  transform: translateX(-30px);
}

.animate-on-scroll.parallax-right {
  transform: translateX(30px);
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-form {
    margin: 0 auto;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  section {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}