/* style.css */

:root {
  --font-primary: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-secondary: "Georgia", "Times New Roman", serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Light Theme */
  --color-background: #fdfdfd;
  --color-background-light: #f4f6f9;
  --color-surface: #ffffff;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #555555;
  --color-primary: #005f73;
  --color-primary-dark: #004a5a;
  --color-secondary: #0a9396;
  --color-accent: #94d2bd;
  --color-border: #e1e1e1;
  --color-shadow: rgba(0, 0, 0, 0.08);

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

  --border-radius-s: 4px;
  --border-radius-m: 8px;
  --border-radius-l: 16px;

  --shadow-s: 0 2px 4px var(--color-shadow);
  --shadow-m: 0 4px 12px var(--color-shadow);
  --shadow-l: 0 8px 24px var(--color-shadow);

  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.4s ease-in-out;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #121212;
    --color-background-light: #1e1e1e;
    --color-surface: #242424;
    --color-text-primary: #e1e1e1;
    --color-text-secondary: #aaaaaa;
    --color-primary: #26a69a;
    --color-primary-dark: #00766c;
    --color-secondary: #80cbc4;
    --color-accent: #004d40;
    --color-border: #3a3a3a;
    --color-shadow: rgba(0, 0, 0, 0.4);
  }
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

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

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

@media (min-width: 768px) {
  .container {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-secondary);
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--spacing-m);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2.1rem;
  font-weight: 600;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-m);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

ul {
  list-style: none;
}

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

.section-padding {
  padding-top: var(--spacing-xxl);
  padding-bottom: var(--spacing-xxl);
}

.section-padding-light {
  padding-top: var(--spacing-xxl);
  padding-bottom: var(--spacing-xxl);
  background-color: var(--color-background-light);
}

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

.section-header h2 {
  margin-bottom: var(--spacing-s);
}

.section-header p {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.1rem;
}

.cta-button {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius-s);
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--transition-fast),
    transform var(--transition-fast), box-shadow var(--transition-fast);
  border: 1px solid transparent;
}

.cta-button.primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.cta-button.primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-m);
  text-decoration: none;
  color: #ffffff;
}

.cta-button.secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.cta-button.secondary:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  text-decoration: none;
}

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

.main-header {
  background-color: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-s);
  transition: background-color var(--transition-fast);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.main-header .logo {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-text-primary);
  text-decoration: none;
}

.main-header .main-nav ul {
  display: flex;
  gap: var(--spacing-l);
}

.main-header .main-nav a {
  color: var(--color-text-secondary);
  font-weight: 500;
  position: relative;
  padding: var(--spacing-s) 0;
}

.main-header .main-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.main-header .main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.main-header .main-nav a:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle .icon-bar {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-text-primary);
  margin: 5px 0;
  transition: all 0.3s ease;
}

@media (max-width: 1023px) {
  .main-header .main-nav {
    display: none;
  }

  .main-header .cta-button {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  body.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    flex-direction: column;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-m);
    border-top: 1px solid var(--color-border);
  }

  body.nav-open .main-nav ul {
    flex-direction: column;
    align-items: center;
  }

  body.nav-open .mobile-menu-toggle .icon-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }
  body.nav-open .mobile-menu-toggle .icon-bar:nth-child(2) {
    opacity: 0;
  }
  body.nav-open .mobile-menu-toggle .icon-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
}

.hero {
  padding: 100px 0;
  text-align: center;
  background-color: var(--color-background-light);
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  font-size: 3rem;
  max-width: 800px;
  margin: 0 auto var(--spacing-m);
}

.hero .subtitle {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  color: var(--color-text-secondary);
}

.hero .hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-m);
}

@media (max-width: 767px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero .subtitle {
    font-size: 1.1rem;
  }
  .hero .hero-cta {
    flex-direction: column;
    align-items: center;
  }
}

.solutions .grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.solutions .grid-item {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-m);
  box-shadow: var(--shadow-s);
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.solutions .grid-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-m);
}

.solutions .grid-item svg {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-m);
}

.solutions .grid-item h3 {
  margin-bottom: var(--spacing-s);
}

.how-it-works .timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.how-it-works .timeline::after {
  content: "";
  position: absolute;
  width: 3px;
  background-color: var(--color-border);
  top: 0;
  bottom: 0;
  left: 30px;
}

.how-it-works .timeline-item {
  padding: var(--spacing-m) 0 var(--spacing-xl) 70px;
  position: relative;
}

.how-it-works .timeline-icon {
  position: absolute;
  left: 0;
  top: 15px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-background);
  border: 3px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.how-it-works .timeline-content h4 {
  margin-bottom: var(--spacing-s);
  color: var(--color-primary);
}

@media (max-width: 767px) {
  .how-it-works .timeline::after {
    left: 20px;
  }
  .how-it-works .timeline-item {
    padding-left: 55px;
  }
  .how-it-works .timeline-icon {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    top: 25px;
  }
}

.for-whom .tabs-container {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--color-surface);
  border-radius: var(--border-radius-m);
  box-shadow: var(--shadow-m);
  overflow: hidden;
}

.for-whom .tabs-nav {
  display: flex;
  background-color: var(--color-background-light);
  border-bottom: 1px solid var(--color-border);
}

.for-whom .tab-link {
  flex: 1;
  padding: var(--spacing-m);
  text-align: center;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast),
    background-color var(--transition-fast);
  position: relative;
}

.for-whom .tab-link:hover {
  color: var(--color-text-primary);
}

.for-whom .tab-link.active {
  color: var(--color-primary);
  background-color: var(--color-surface);
}

.for-whom .tab-link.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
}

.for-whom .tab-content {
  display: none;
  padding: var(--spacing-xl);
}

.for-whom .tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.for-whom .tab-content ul {
  list-style: disc;
  padding-left: 20px;
  margin-top: var(--spacing-m);
}

.for-whom .tab-content ul li {
  margin-bottom: var(--spacing-s);
  padding-left: var(--spacing-s);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 767px) {
  .for-whom .tabs-nav {
    flex-direction: column;
  }
}

.case-study .case-study-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.case-study .case-study-visual img {
  border-radius: var(--border-radius-m);
  box-shadow: var(--shadow-l);
}

.case-study .image-caption {
  font-size: 0.9rem;
  text-align: center;
  margin-top: var(--spacing-m);
  color: var(--color-text-secondary);
}

.case-study .case-study-text h3 {
  color: var(--color-secondary);
  margin-top: var(--spacing-l);
}

.case-study .case-study-text h3:first-child {
  margin-top: 0;
}

.case-study .case-study-text ul {
  list-style: none;
  margin-top: var(--spacing-m);
}

.case-study .case-study-text ul li {
  padding-left: 30px;
  position: relative;
  margin-bottom: var(--spacing-m);
}

.case-study .case-study-text ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.2rem;
}

@media (max-width: 1023px) {
  .case-study .case-study-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

.testimonials .testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonials .testimonial-card {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-m);
  border-left: 5px solid var(--color-accent);
  box-shadow: var(--shadow-s);
  display: flex;
  flex-direction: column;
}

.testimonials .testimonial-card blockquote {
  flex-grow: 1;
  margin-bottom: var(--spacing-m);
  font-style: italic;
  color: var(--color-text-secondary);
}

.testimonials .testimonial-card blockquote p::before {
  content: "“";
  font-size: 2rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-right: var(--spacing-s);
}

.testimonials .testimonial-card cite {
  font-style: normal;
}

.testimonials .client-name {
  display: block;
  font-weight: 600;
}

.testimonials .client-title {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.team .team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.team .team-member {
  text-align: center;
  background-color: var(--color-surface);
  padding: var(--spacing-l);
  border-radius: var(--border-radius-m);
}

.team .team-member h3 {
  margin-bottom: var(--spacing-xs);
}

.team .member-title {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-m);
}

.team .member-bio {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.team .team-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.faq .accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq .accordion-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-m);
  margin-bottom: var(--spacing-m);
  overflow: hidden;
}

.faq .accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-m) var(--spacing-l);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.faq .accordion-header svg {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: var(--spacing-m);
}

.faq .accordion-item.active .accordion-header svg {
  transform: rotate(180deg);
}

.faq .accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium),
    padding var(--transition-medium);
}

.faq .accordion-content p {
  padding: 0 var(--spacing-l) var(--spacing-m);
  margin: 0;
}

.faq .accordion-item.active .accordion-content {
  padding-bottom: var(--spacing-l);
}

.blog-teaser .blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.blog-teaser .blog-post-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-m);
  box-shadow: var(--shadow-m);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast);
}

.blog-teaser .blog-post-card:hover {
  transform: translateY(-5px);
}

.blog-teaser .blog-post-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-teaser .card-content {
  padding: var(--spacing-l);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-teaser .post-category {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  padding: var(--spacing-xs) var(--spacing-s);
  border-radius: var(--border-radius-s);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--spacing-s);
  align-self: flex-start;
}

.blog-teaser .card-content h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-s);
}

.blog-teaser .card-content p {
  flex-grow: 1;
  margin-bottom: var(--spacing-m);
}

.blog-teaser .read-more {
  font-weight: 600;
  color: var(--color-primary);
}

.registration-form-section {
  background-color: var(--color-primary);
  color: #ffffff;
}

.registration-form-section .form-container-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.registration-form-section .form-text-content h2 {
  color: #ffffff;
}

.registration-form-section .form-text-content p {
  color: rgba(255, 255, 255, 0.9);
}

.registration-form-section .form-wrapper {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-m);
  box-shadow: var(--shadow-l);
}

.registration-form-section .form-wrapper h3 {
  text-align: center;
  margin-bottom: var(--spacing-l);
  color: var(--color-text-primary);
}

.form-group {
  margin-bottom: var(--spacing-m);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-s);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-s);
  font-size: 1rem;
  background-color: var(--color-background-light);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 95, 115, 0.2);
}

textarea {
  resize: vertical;
}

.form-group-checkbox {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-l);
}

.form-group-checkbox input {
  margin-top: 4px;
  margin-right: var(--spacing-s);
  width: auto;
}

.form-group-checkbox label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.form-group-checkbox a {
  color: var(--color-primary);
}

#form-thank-you h4 {
  color: var(--color-primary);
  text-align: center;
}

#form-thank-you p {
  text-align: center;
}

@media (max-width: 1023px) {
  .registration-form-section .form-container-wrapper {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

.main-footer {
  background-color: var(--color-background-light);
  color: var(--color-text-secondary);
  padding-top: var(--spacing-xxl);
  border-top: 1px solid var(--color-border);
}

.main-footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.main-footer .footer-column h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-m);
}

.main-footer .footer-column p {
  font-size: 0.95rem;
}

.main-footer .footer-column ul li {
  margin-bottom: var(--spacing-s);
}

.main-footer .footer-column a {
  color: var(--color-text-secondary);
}

.main-footer .footer-column a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.main-footer .footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-l) 0;
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 1023px) {
  .main-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .main-footer .about {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .main-footer .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.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 var(--color-shadow);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transform: translateY(100%);
  animation: slideUp 0.5s forwards;
}

.cookie-banner-content {
  margin-right: var(--spacing-m);
}

.cookie-banner p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.cookie-banner p a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-banner-close {
  padding: 10px 20px;
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-s);
  cursor: pointer;
  white-space: nowrap;
}

.cookie-banner-close:hover {
  background-color: var(--color-primary-dark);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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