:root {
  --font-primary: "Sora", sans-serif;
  --font-secondary: "Space Grotesk", sans-serif;

  --color-background: #f9f9f9;
  --color-surface: #ffffff;
  --color-text-primary: #121212;
  --color-text-secondary: #585858;
  --color-accent: #0057ff;
  --color-accent-dark: #0045cc;
  --color-border: #eaeaea;
  --color-success: #00a878;
  --color-highlight-bg: rgba(0, 87, 255, 0.1);

  --spacing-xs: 4px;
  --spacing-s: 8px;
  --spacing-m: 16px;
  --spacing-l: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 64px;

  --border-radius-small: 4px;
  --border-radius-medium: 8px;
  --border-radius-large: 16px;

  --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.1);

  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;

  --container-width: 1240px;
  --container-padding: var(--spacing-l);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #121212;
    --color-surface: #1e1e1e;
    --color-text-primary: #f5f5f5;
    --color-text-secondary: #a0a0a0;
    --color-accent: #3a86ff;
    --color-accent-dark: #5a9bff;
    --color-border: #333333;
    --color-success: #3dd5a9;
    --color-highlight-bg: rgba(58, 134, 255, 0.1);

    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
}

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.7;
  transition: background-color var(--transition-medium),
    color var(--transition-medium);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}
h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}
p {
  margin-bottom: var(--spacing-m);
  color: var(--color-text-secondary);
}
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-accent-dark);
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.section-tagline {
  display: block;
  font-family: var(--font-secondary);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--spacing-s);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.875rem;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--spacing-xxl);
}
.section-title {
  margin-bottom: var(--spacing-m);
}
.section-subtitle {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

section {
  padding: var(--spacing-xxl) 0;
}

.button {
  display: inline-block;
  font-family: var(--font-secondary);
  font-weight: 700;
  padding: var(--spacing-m) var(--spacing-xl);
  border-radius: var(--border-radius-medium);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  font-size: 1rem;
}

.button-primary {
  background-color: var(--color-accent);
  color: #fff;
}
.button-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.button-secondary {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.button-secondary:hover {
  background-color: var(--color-accent);
  color: #fff;
}

.button-tertiary {
  color: var(--color-text-secondary);
}
.button-tertiary:hover {
  color: var(--color-accent);
}

.button-large {
  padding: var(--spacing-l) var(--spacing-xxl);
  font-size: 1.125rem;
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(249, 249, 249, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-medium),
    border-color var(--transition-medium);
}

@media (prefers-color-scheme: dark) {
  .main-header {
    background-color: rgba(18, 18, 18, 0.85);
  }
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.logo-text {
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-text-primary);
}
.nav-list {
  display: flex;
  gap: var(--spacing-xl);
}
.nav-link {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 1rem;
  position: relative;
  padding: var(--spacing-s) 0;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link:hover {
  color: var(--color-text-primary);
}
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}
.mobile-nav-toggle .icon-menu,
.mobile-nav-toggle .icon-close {
  width: 30px;
  height: 30px;
  color: var(--color-text-primary);
}
.icon-close {
  display: none;
}

.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 80px);
  padding: var(--spacing-xxl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-background-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  z-index: -1;
}
@media (prefers-color-scheme: dark) {
  .hero-background-image {
    opacity: 0.05;
  }
}
.hero-content {
  max-width: 800px;
}
.hero-title .highlight-text {
  color: var(--color-accent);
}
.hero-subtitle {
  font-size: 1.25rem;
  margin: var(--spacing-l) 0 var(--spacing-xl);
  color: var(--color-text-secondary);
}
.hero-cta-group {
  display: flex;
  justify-content: center;
  gap: var(--spacing-m);
  flex-wrap: wrap;
}

.service-description-section {
  background-color: var(--color-surface);
}
.description-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}
.description-card {
  background-color: var(--color-background);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
}
.description-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}
.description-card .card-icon {
  color: var(--color-accent);
  margin-bottom: var(--spacing-m);
}
.description-card .icon-svg {
  width: 48px;
  height: 48px;
}
.description-card .card-title {
  margin-bottom: var(--spacing-s);
  font-size: 1.25rem;
}

.benefits-section .benefits-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}
.benefits-list {
  list-style: none;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-m);
  margin-bottom: var(--spacing-m);
}
.benefit-icon {
  color: var(--color-success);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 4px;
}
.benefits-image-column {
  display: flex;
  justify-content: center;
  align-items: center;
}
.benefits-image {
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
}

.case-studies-section {
  background-color: var(--color-surface);
}
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}
.case-study-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.case-study-content {
  padding: var(--spacing-xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.case-study-header {
  margin-bottom: var(--spacing-m);
}
.case-study-title {
  font-size: 1.35rem;
}
.case-study-author {
  color: var(--color-text-secondary);
  font-style: italic;
}
.case-study-body {
  flex-grow: 1;
}
.case-study-quote {
  font-size: 1.1rem;
  border-left: 3px solid var(--color-accent);
  padding-left: var(--spacing-m);
  margin: 0;
}
.case-study-footer {
  margin-top: var(--spacing-l);
}
.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-s);
}
.tag {
  background-color: var(--color-highlight-bg);
  color: var(--color-accent);
  padding: var(--spacing-xs) var(--spacing-s);
  border-radius: var(--border-radius-small);
  font-size: 0.8rem;
  font-weight: 500;
}

.mission-vision-section .mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}
.mission-card,
.vision-card {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
}
.mission-card {
  background-color: var(--color-surface);
}
.vision-card {
  background-color: var(--color-highlight-bg);
}
.mission-card .card-title,
.vision-card .card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-m);
}

.team-section {
  background-color: var(--color-surface);
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}
.team-member-card {
  text-align: center;
  background-color: var(--color-background);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--color-border);
}
.member-icon .icon-svg {
  width: 64px;
  height: 64px;
  color: var(--color-accent);
  margin: 0 auto var(--spacing-m);
}
.member-name {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}
.member-role {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-s);
}
.team-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}
.testimonial-card {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
  text-align: center;
}
.testimonial-icon .icon-svg {
  width: 48px;
  height: 48px;
  color: var(--color-text-secondary);
  margin: 0 auto var(--spacing-m);
}
.testimonial-text {
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.5;
  margin-bottom: var(--spacing-l);
}
.author-name {
  font-weight: 700;
  font-style: normal;
}
.author-title {
  display: block;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.faq-section {
  background-color: var(--color-surface);
}
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  padding: var(--spacing-l) 0;
  font-size: 1.25rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}
.faq-icon {
  transition: transform var(--transition-fast);
}
.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}
.faq-answer {
  padding-bottom: var(--spacing-l);
  color: var(--color-text-secondary);
}
.faq-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
}
.faq-footer p {
  display: inline;
  margin-right: var(--spacing-s);
}

.cta-section {
  background-color: var(--color-accent);
  color: #fff;
  text-align: center;
}
.cta-container {
  padding: var(--spacing-xxl) var(--container-padding);
}
.cta-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: #fff;
}
.cta-text {
  font-size: 1.25rem;
  max-width: 600px;
  margin: var(--spacing-l) auto;
  color: rgba(255, 255, 255, 0.9);
}
.cta-button {
  background-color: #fff;
  color: var(--color-accent);
}
.cta-button:hover {
  background-color: #f0f0f0;
  transform: translateY(-3px);
}

.main-footer-section {
  background-color: var(--color-surface);
  padding: var(--spacing-xxl) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xxl);
}
.footer-heading {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-m);
}
.footer-list li {
  margin-bottom: var(--spacing-s);
}
.footer-link {
  color: var(--color-text-secondary);
}
.footer-link:hover {
  color: var(--color-accent);
}
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-l) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-m);
}
.copyright-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
}
.legal-links-bottom .separator {
  margin: 0 var(--spacing-s);
  color: var(--color-text-secondary);
}
.footer-link-small {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  padding: var(--spacing-m);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  z-index: 2000;
  transition: transform 0.5s ease-in-out;
}
.cookie-banner.hidden {
  transform: translateY(100%);
}
.cookie-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-m);
  flex-wrap: wrap;
}
.cookie-text {
  flex-grow: 1;
}
.cookie-text h3 {
  font-size: 1.1rem;
}
.cookie-text p {
  margin: 0;
  font-size: 0.9rem;
}
.cookie-actions {
  display: flex;
  gap: var(--spacing-s);
  flex-shrink: 0;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .benefits-section .benefits-content,
  .mission-vision-section .mission-vision-grid {
    grid-template-columns: 1fr;
  }
  .benefits-image-column {
    margin-top: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .main-navigation {
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    flex-direction: column;
    padding: var(--spacing-l);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    transition: transform var(--transition-medium);
    z-index: -1;
  }
  .main-header.nav-open .main-navigation {
    transform: translateY(0);
  }
  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-l);
  }
  .nav-link {
    font-size: 1.25rem;
  }
  .header-actions {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .main-header.nav-open .icon-menu {
    display: none;
  }
  .main-header.nav-open .icon-close {
    display: block;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-m);
  }
}