/* style.css */

:root {
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --font-secondary: "Merriweather", serif;

  /* Light Theme Colors */
  --color-background: #fdfdff;
  --color-surface: #ffffff;
  --color-primary: #3a53a4;
  --color-primary-dark: #2c4083;
  --color-secondary: #f0f4ff;
  --color-accent: #5e81f4;
  --color-text-primary: #1a1c2c;
  --color-text-secondary: #4a4e69;
  --color-border: #dfe2e8;
  --color-success: #28a745;
  --color-white: #ffffff;

  /* Spacing & Sizing */
  --spacing-xs: 0.25rem;
  --spacing-s: 0.5rem;
  --spacing-m: 1rem;
  --spacing-l: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  --spacing-xxxl: 4rem;

  /* Borders & Shadows */
  --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);

  /* Transitions */
  --transition-fast: all 0.2s ease-in-out;
  --transition-medium: all 0.3s ease-in-out;

  /* Layout */
  --container-width: 1200px;
  --container-padding: var(--spacing-l);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #121212;
    --color-surface: #1e1e1e;
    --color-primary: #7b93f0;
    --color-primary-dark: #a0b3f5;
    --color-secondary: #2a2d3a;
    --color-accent: #8da4f1;
    --color-text-primary: #e4e6eb;
    --color-text-secondary: #b0b3b8;
    --color-border: #3a3b3c;
    --color-success: #32cd32;
    --color-white: #ffffff;

    --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;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.7;
  font-size: 1.05rem;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-m);
}

h1 {
  font-size: 3.2rem;
  letter-spacing: -1px;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.5px;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.2rem;
}

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

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

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

ul,
ol {
  list-style-position: inside;
  padding-left: var(--spacing-m);
}

li {
  margin-bottom: var(--spacing-s);
}

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

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

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

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

.section-intro {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.button {
  display: inline-block;
  padding: var(--spacing-m) var(--spacing-xl);
  border: 2px solid transparent;
  border-radius: var(--border-radius-medium);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-medium);
  font-size: 1rem;
  line-height: 1.2;
  text-decoration: none;
}

.button:hover {
  text-decoration: none;
}

.primary-button {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.primary-button:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.secondary-button {
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}

.secondary-button:hover {
  background-color: var(--color-border);
  color: var(--color-primary-dark);
}

.large-button {
  padding: var(--spacing-l) var(--spacing-xxl);
  font-size: 1.1rem;
}

.full-width {
  width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background-color: rgba(253, 253, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-medium);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background-color: rgba(18, 18, 18, 0.8);
  }
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-primary);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--spacing-xl);
}

.main-navigation a {
  color: var(--color-text-secondary);
  font-weight: 600;
  padding: var(--spacing-s) 0;
  position: relative;
  text-decoration: none;
}

.main-navigation a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-medium);
}

.main-navigation a:hover::after,
.main-navigation a:focus::after {
  width: 100%;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-s);
}

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

.hero-section {
  padding-top: var(--spacing-xxxl);
  padding-bottom: var(--spacing-xxxl);
  text-align: center;
  display: flex;
  align-items: center;
  min-height: calc(100vh - 80px);
  background-color: var(--color-secondary);
}

.hero-section h1 {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-l);
}

.hero-section .subtitle {
  font-size: 1.25rem;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-l);
  margin-top: var(--spacing-xl);
}

.services-section .services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-xl);
  text-align: left;
  transition: var(--transition-medium);
  box-shadow: var(--shadow-small);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
  border-color: var(--color-primary);
}

.service-icon {
  margin-bottom: var(--spacing-l);
  color: var(--color-primary);
}

.service-card h3 {
  margin-bottom: var(--spacing-m);
}

.service-card p {
  font-size: 0.95rem;
}

.how-it-works-section {
  background-color: var(--color-secondary);
}

.steps-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.steps-container::after {
  content: "";
  position: absolute;
  width: 3px;
  background-color: var(--color-border);
  top: 0;
  bottom: 0;
  left: 30px;
  z-index: 1;
}

.step {
  padding: var(--spacing-m) 0 var(--spacing-xxl) 80px;
  position: relative;
}

.step-number {
  position: absolute;
  left: 0;
  top: 5px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-surface);
  border: 3px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

.step-content h3 {
  margin-bottom: var(--spacing-s);
}

.case-study-section {
  background-color: var(--color-background);
}

.case-study-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xxxl);
  align-items: center;
}

.case-study-image img {
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
}

.case-study-details h3 {
  margin-bottom: var(--spacing-l);
}

.case-study-details ul {
  padding-left: var(--spacing-m);
  list-style-type: none;
}

.case-study-details li {
  padding-left: var(--spacing-xl);
  position: relative;
}

.case-study-details li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

.testimonials-section {
  background-color: var(--color-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--border-radius-medium);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
}

.testimonial-card blockquote {
  flex-grow: 1;
  margin: 0;
  padding: 0;
  border: 0;
}

.testimonial-card blockquote p {
  font-style: italic;
  font-size: 1rem;
  margin-bottom: var(--spacing-l);
}

.testimonial-card cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.testimonial-card cite strong {
  display: block;
  color: var(--color-text-primary);
}

.team-section .team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.team-member-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-medium);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-small);
}

.team-member-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.member-role {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-m);
  font-size: 0.9rem;
}

.member-bio {
  font-size: 0.9rem;
}

.faq-section {
  background-color: var(--color-secondary);
}

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

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

.accordion details summary {
  padding: var(--spacing-l);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion details summary::-webkit-details-marker {
  display: none;
}

.accordion details[open] summary {
  border-bottom: 1px solid var(--color-border);
}

.accordion details summary svg {
  transition: var(--transition-medium);
  flex-shrink: 0;
}

.accordion details[open] summary svg {
  transform: rotate(180deg);
}

.faq-content {
  padding: var(--spacing-l);
  border-top: 1px solid var(--color-border);
}

.faq-content p {
  margin-bottom: 0;
}

.faq-more-link {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.cta-section {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.cta-section h2,
.cta-section p {
  color: var(--color-white);
}

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

.quick-form {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
}

.quick-form h3 {
  text-align: center;
  margin-bottom: var(--spacing-l);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-s);
  color: var(--color-text-primary);
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: var(--spacing-m);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-medium);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: var(--transition-medium);
  background-color: var(--color-background);
  color: var(--color-text-primary);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(58, 83, 164, 0.2);
}

.form-success-message {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
  text-align: center;
  color: var(--color-text-primary);
}

.form-success-message h4 {
  color: var(--color-success);
  margin-bottom: var(--spacing-m);
}

.site-footer {
  background-color: var(--color-secondary);
  padding-top: var(--spacing-xxxl);
  font-size: 0.9rem;
}

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

.footer-column h4 {
  margin-bottom: var(--spacing-l);
  font-size: 1.1rem;
  color: var(--color-text-primary);
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

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

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

.footer-column a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-column address {
  font-style: normal;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.footer-bottom {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-secondary);
}

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

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  padding: var(--spacing-l);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  transform: translateY(100%);
  animation: slide-up 0.5s forwards ease-out;
}

@keyframes slide-up {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

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

.cookie-banner .button {
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  h1 {
    font-size: 2.8rem;
  }
  h2 {
    font-size: 2.2rem;
  }
  .services-section .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }
  .team-section .team-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .case-study-content {
    grid-template-columns: 1fr;
  }
  .cta-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  h1 {
    font-size: 2.4rem;
  }
  h2 {
    font-size: 2rem;
  }
  section {
    padding-top: var(--spacing-xxl);
    padding-bottom: var(--spacing-xxl);
  }
  .header-container {
    height: 70px;
  }
  .main-navigation {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    flex-direction: column;
    width: 100%;
    padding: var(--spacing-l);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-medium);
  }
  .main-navigation.is-open {
    display: flex;
  }
  .main-navigation ul {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }
  .main-navigation a {
    display: block;
    padding: var(--spacing-m);
    text-align: center;
  }
  .main-navigation a:hover {
    background-color: var(--color-secondary);
  }
  .main-navigation a::after {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
    z-index: 1001;
  }
  .site-header .primary-button {
    display: none;
  }
  .hero-section {
    min-height: auto;
    padding: var(--spacing-xxxl) 0;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .services-section .services-grid,
  .testimonials-grid,
  .team-section .team-grid {
    grid-template-columns: 1fr;
  }
  .steps-container::after {
    left: 20px;
  }
  .step {
    padding-left: 60px;
  }
  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    border-width: 2px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-column {
    margin-bottom: var(--spacing-xl);
  }
  .cookie-banner {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-m);
  }
}
@media (min-width: 1440px) {
  :root {
    --container-width: 1320px;
  }
  html {
    font-size: 17px;
  }
}
@media (min-width: 1920px) {
  :root {
    --container-width: 1500px;
  }
  html {
    font-size: 18px;
  }
}

.body-no-scroll {
  overflow: hidden;
}

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

.nav-open .mobile-menu-toggle .icon-bar:nth-child(2) {
  opacity: 0;
}

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

body.dark-theme {
  --color-background: #121212;
  --color-surface: #1e1e1e;
  --color-primary: #7b93f0;
  --color-primary-dark: #a0b3f5;
  --color-secondary: #2a2d3a;
  --color-accent: #8da4f1;
  --color-text-primary: #e4e6eb;
  --color-text-secondary: #b0b3b8;
  --color-border: #3a3b3c;
  --color-success: #32cd32;
  --color-white: #ffffff;

  --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);
}

body.dark-theme .site-header {
  background-color: rgba(18, 18, 18, 0.8);
}