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

  --color-background-light: #f9f9f9;
  --color-surface-light: #ffffff;
  --color-text-primary-light: #1a1a1a;
  --color-text-secondary-light: #555555;
  --color-primary-light: #005a9c;
  --color-accent-light: #d98324;
  --color-border-light: #eaeaea;
  --color-subtle-light: #f2f2f2;

  --color-background-dark: #121212;
  --color-surface-dark: #1e1e1e;
  --color-text-primary-dark: #eaeaea;
  --color-text-secondary-dark: #a0a0a0;
  --color-primary-dark: #4d9de0;
  --color-accent-dark: #f4b400;
  --color-border-dark: #333333;
  --color-subtle-dark: #282828;

  --background-color: var(--color-background-light);
  --surface-color: var(--color-surface-light);
  --text-primary: var(--color-text-primary-light);
  --text-secondary: var(--color-text-secondary-light);
  --primary-color: var(--color-primary-light);
  --accent-color: var(--color-accent-light);
  --border-color: var(--color-border-light);
  --subtle-bg: var(--color-subtle-light);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 4rem;
  --spacing-xxxl: 6rem;

  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;

  --transition-fast: all 0.2s ease-in-out;
  --transition-medium: all 0.4s ease-in-out;
  --transition-slow: all 0.6s ease-in-out;

  --container-width: 1200px;
  --container-padding: var(--spacing-lg);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: var(--color-background-dark);
    --surface-color: var(--color-surface-dark);
    --text-primary: var(--color-text-primary-dark);
    --text-secondary: var(--color-text-secondary-dark);
    --primary-color: var(--color-primary-dark);
    --accent-color: var(--color-accent-dark);
    --border-color: var(--color-border-dark);
    --subtle-bg: var(--color-subtle-dark);

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.25);
  }
}

*,
*::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(--background-color);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-medium),
    color var(--transition-medium);
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

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

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

p {
  margin-bottom: var(--spacing-md);
  max-width: 75ch;
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  text-align: center;
}

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

h4 {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
}

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

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

.cta-button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  color: var(--surface-color);
  background-color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius-md);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-medium);
  text-decoration: none;
}

.cta-button:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--surface-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.cta-button:focus,
.cta-button:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
}

.main-header {
  width: 100%;
  padding: var(--spacing-md) 0;
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: background-color var(--transition-medium),
    border-color var(--transition-medium);
}

.main-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  padding-left: 0;
}

.nav-menu li a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--spacing-sm) 0;
  position: relative;
  text-decoration: none;
}

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

.nav-menu li a:hover {
  color: var(--text-primary);
}

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

.header-cta {
  padding: var(--spacing-sm) var(--spacing-lg);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  z-index: 1001;
}

.mobile-menu-toggle svg {
  width: 28px;
  height: 28px;
  stroke: var(--text-primary);
}

main {
  padding-top: 100px;
}

.hero-section {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--subtle-bg);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-section .container {
  text-align: left;
}

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

.hero-text .subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 65ch;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

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

.hero-image-container img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-height: 500px;
  object-fit: cover;
}

.hero-cta {
  font-size: 1.1rem;
}

.intro-section {
  padding: var(--spacing-xxxl) 0;
  text-align: center;
}

.intro-section h2 {
  max-width: 25ch;
  margin-left: auto;
  margin-right: auto;
}

.intro-section p {
  max-width: 70ch;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.15rem;
  color: var(--text-secondary);
}

.section-divider {
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.section-divider svg {
  stroke: var(--primary-color);
  opacity: 0.5;
}

.three-questions-section {
  padding: var(--spacing-xxxl) 0;
}

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

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

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

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

.question-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  transition: var(--transition-medium);
  box-shadow: var(--shadow-sm);
}

.question-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.question-icon {
  margin-bottom: var(--spacing-lg);
}

.question-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--accent-color);
}

.question-card h3 {
  margin-bottom: var(--spacing-md);
}

.question-card > p {
  color: var(--text-secondary);
  flex-grow: 1;
}

.question-reflection {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.question-reflection p {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.practice-section {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--subtle-bg);
}

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

.practice-image-container img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.practice-text header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.practice-steps {
  list-style: none;
  padding-left: 0;
  counter-reset: practice-counter;
  margin-top: var(--spacing-xl);
}

.practice-steps li {
  position: relative;
  padding-left: 50px;
  margin-bottom: var(--spacing-xl);
}

.practice-steps li::before {
  counter-increment: practice-counter;
  content: counter(practice-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  background-color: var(--primary-color);
  color: var(--surface-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.practice-steps li strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.story-section {
  padding: var(--spacing-xxxl) 0;
}

.story-content {
  max-width: 80ch;
  margin: 0 auto;
  background: var(--surface-color);
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.story-content p {
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.story-content p:last-child {
  margin-bottom: 0;
}

.pdf-download-section {
  padding: var(--spacing-xxxl) 0;
  background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
  color: var(--surface-color);
  text-align: center;
}

.pdf-download-content {
  max-width: 80ch;
  margin: 0 auto;
}

.pdf-download-section h2,
.pdf-download-section p,
.pdf-download-section a,
.pdf-download-section span {
  color: var(--surface-color);
}

.pdf-download-section h2 {
  color: #ffffff;
}

.pdf-download-section .subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

.pdf-download-section > p {
  opacity: 0.9;
}

.pdf-icon svg {
  width: 64px;
  height: 64px;
  stroke: #ffffff;
  margin: 0 auto var(--spacing-lg);
  opacity: 0.8;
}

.features-list {
  list-style: none;
  padding-left: 0;
  margin: var(--spacing-xl) 0;
  display: inline-block;
  text-align: left;
  max-width: 600px;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.features-list svg {
  flex-shrink: 0;
  margin-top: 4px;
  stroke: #ffffff;
}

.download-cta {
  background-color: var(--surface-color);
  color: var(--primary-color);
  border-color: var(--surface-color);
  margin-top: var(--spacing-xl);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.download-cta svg {
  stroke: var(--primary-color);
  transition: var(--transition-fast);
}

.download-cta:hover {
  background-color: transparent;
  border-color: var(--surface-color);
  color: var(--surface-color);
}

.download-cta:hover svg {
  stroke: var(--surface-color);
}

.faq-section {
  padding: var(--spacing-xxxl) 0;
}

.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  transition: var(--transition-medium);
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item[open] {
  border-color: var(--primary-color);
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--border-color);
  color: var(--primary-color);
}

.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 600;
  list-style: none;
  transition: color var(--transition-fast);
}

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

.faq-item summary:hover {
  color: var(--primary-color);
}

.faq-icon {
  width: 24px;
  height: 24px;
  stroke: var(--text-secondary);
  transition: transform var(--transition-medium);
  position: relative;
}

.faq-item summary::after {
  content: "+";
  font-size: 2rem;
  font-weight: 300;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary .faq-icon {
  display: none;
}

.faq-answer {
  padding: var(--spacing-lg);
  color: var(--text-secondary);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

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

.main-footer {
  background-color: var(--subtle-bg);
  padding: var(--spacing-xxxl) 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

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

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

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

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

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

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

.contact-column address {
  font-style: normal;
}

.contact-column p {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact-column svg {
  flex-shrink: 0;
  margin-top: 4px;
  stroke: var(--text-secondary);
}

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

.cookie-notice-container {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--surface-color);
  color: var(--text-primary);
  padding: var(--spacing-lg);
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
  z-index: 2000;
  transform: translateY(100%);
  transition: transform var(--transition-medium);
  border-top: 1px solid var(--border-color);
  display: none;
}

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

.cookie-notice-content {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.cookie-notice-content p {
  margin: 0;
  font-size: 0.95rem;
}

.cookie-accept-button {
  white-space: nowrap;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-weight: 500;
  color: var(--surface-color);
  background-color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.fade-in-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

@media (max-width: 1023px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background-color: var(--surface-color);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xxl);
  }

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

  .nav-menu li a {
    font-size: 1.5rem;
  }

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

  .header-cta {
    display: none;
  }
}

@media (max-width: 767px) {
  html {
    font-size: 15px;
  }

  main {
    padding-top: 80px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image-container {
    grid-row: 1;
    margin-bottom: var(--spacing-xl);
  }

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

  .hero-text .subtitle {
    margin-left: auto;
    margin-right: auto;
  }

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

  .practice-image-container {
    margin-bottom: var(--spacing-xl);
  }

  .footer-grid {
    text-align: center;
  }

  .contact-column p {
    justify-content: center;
  }

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

@media (min-width: 1600px) {
  html {
    font-size: 18px;
  }

  :root {
    --container-width: 1400px;
    --spacing-xxxl: 8rem;
  }
}