:root {
  --color-charcoal: #1C1C1E;
  --color-ivory: #F4F1EC;
  --color-stone: #D6D3CD;
  --color-gold: #C7A35A;
  --color-taupe: #9B8F84;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --max-width-narrow: 45rem;
  --max-width-content: 70rem;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-charcoal);
  background-color: var(--color-ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--color-charcoal);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-charcoal);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.7;
}

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

.section-split img,
.section-aside img,
.section-stacked img {
  width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

header {
  background-color: var(--color-ivory);
  border-bottom: 1px solid var(--color-stone);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--spacing-sm) 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: var(--color-charcoal);
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

nav a {
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.burger-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  color: var(--color-charcoal);
  font-size: 1.5rem;
}

.close-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  color: var(--color-charcoal);
  font-size: 2rem;
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-md);
  line-height: 1;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  z-index: 101;
}

.close-menu:hover {
  opacity: 0.7;
}

.hero {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  text-align: left;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero-image {
  margin-top: var(--spacing-lg);
  margin-left: -10%;
  width: 110%;
  max-width: none;
  object-fit: cover;
  height: 60vh;
  min-height: 400px;
}

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

.section-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-content > h3 {
  margin-bottom: var(--spacing-sm);
}

.section-content > p {
  margin-bottom: var(--spacing-md);
}

.section-wide {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-wide .section-content {
  margin: 0 auto;
}

.section-wide .section-content {
  max-width: 100%;
  padding: 0;
}

.editorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) auto;
  max-width: 100%;
}

.editorial-card {
  display: flex;
  flex-direction: column;
}

.editorial-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  margin-bottom: var(--spacing-md);
}

.editorial-card h3 {
  margin-bottom: var(--spacing-sm);
}

.diagram-container {
  margin: var(--spacing-lg) auto;
  padding: var(--spacing-lg);
  background-color: var(--color-stone);
  max-width: 100%;
}

.diagram-item {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-taupe);
}

.diagram-item:last-child {
  border-bottom: none;
}

.modular-block {
  margin-bottom: var(--spacing-xl);
  padding-left: var(--spacing-md);
  border-left: 2px solid var(--color-gold);
  max-width: 100%;
}

.timeline {
  position: relative;
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) auto;
  max-width: 100%;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-stone);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding-left: var(--spacing-md);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(var(--spacing-lg) * -1 - 5px);
  top: 0.5rem;
  width: 10px;
  height: 10px;
  background-color: var(--color-gold);
  border-radius: 50%;
}

.image-narrative {
  margin: var(--spacing-xl) auto;
  max-width: 100%;
}

.image-narrative img {
  width: 100%;
  height: 50vh;
  min-height: 400px;
  object-fit: cover;
  margin-bottom: var(--spacing-md);
}

.form-container {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  text-align: left;
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-stone);
  background-color: var(--color-ivory);
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-gold);
}

  .form-group textarea {
    min-height: 150px;
    resize: vertical;
  }

  @media (max-width: 768px) {
    .form-group input,
    .form-group textarea,
    .form-group select {
      font-size: 16px; /* Prevents zoom on iOS */
    }
  }

  @media (max-width: 320px) {
    .form-group input,
    .form-group textarea,
    .form-group select {
      font-size: 16px;
      padding: var(--spacing-xs);
    }

    .form-group textarea {
      min-height: 120px;
    }

    .submit-btn {
      width: 100%;
      padding: var(--spacing-sm);
    }
  }

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
}

.submit-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-charcoal);
  color: var(--color-ivory);
  border: none;
  font-family: var(--font-sans);
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.submit-btn:hover {
  opacity: 0.8;
}

footer {
  background-color: var(--color-charcoal);
  color: var(--color-ivory);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--color-ivory);
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  text-transform: lowercase;
  letter-spacing: 0.05em;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: var(--color-stone);
  font-size: 0.9rem;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
  color: var(--color-ivory);
}

.footer-bottom {
  border-top: 1px solid rgba(244, 241, 236, 0.2);
  padding-top: var(--spacing-md);
  text-align: left;
  font-size: 0.85rem;
  color: var(--color-stone);
}

.back-to-top {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  width: 50px;
  height: 50px;
  background-color: var(--color-charcoal);
  color: var(--color-ivory);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: 99;
  transition: opacity 0.3s ease;
}

.back-to-top.visible {
  display: flex;
}

.back-to-top:hover {
  opacity: 0.8;
}

/* New section layouts */
.section-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
  margin: var(--spacing-xl) auto;
  max-width: 100%;
}

.section-split > div {
  display: flex;
  flex-direction: column;
}

.section-split img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  border-radius: 2px;
}

.section-split.reverse {
  direction: ltr;
}

.section-split.reverse > div:first-child {
  order: 2;
}

.section-split.reverse > div:last-child {
  order: 1;
}

.section-stacked {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: 0 auto;
  max-width: 100%;
}

.section-stacked img {
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  margin-bottom: var(--spacing-sm);
  border-radius: 2px;
}

.section-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) auto;
  max-width: 100%;
}

.icon-item {
  text-align: center;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.icon-item h3 {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.icon-item::before {
  content: '◆';
  display: block;
  font-size: 2rem;
  color: var(--color-gold);
  margin-bottom: var(--spacing-sm);
  line-height: 1;
}

.section-aside {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) auto;
  max-width: 100%;
  align-items: start;
}

.section-aside > div:first-child {
  display: flex;
  flex-direction: column;
}

.section-aside img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  border-radius: 2px;
}

.section-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background-color: var(--color-stone);
  border-radius: 2px;
}

.section-feature > div {
  flex: 1;
  min-width: 0;
}

.section-split > div > h3,
.section-aside > div > h3 {
  margin-top: 0;
}

.section-split > div > p:last-child,
.section-aside > div > p:last-child {
  margin-bottom: 0;
}

.section-feature::before {
  content: '✓';
  font-size: 1.5rem;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 0.2rem;
  line-height: 1;
}

@media (max-width: 768px) {
  .burger-menu {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-ivory);
    border-bottom: 1px solid var(--color-stone);
    padding: var(--spacing-md);
  }

  nav.active {
    display: block;
  }

  nav.active .close-menu {
    display: flex;
  }

  nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .header-content {
    padding: 0 var(--spacing-sm);
  }

  .logo {
    font-size: 1rem;
  }

  .hero {
    padding: var(--spacing-lg) 0;
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }

  .hero-image {
    margin-left: 0;
    width: 100%;
    height: 40vh;
    min-height: 300px;
  }

  .editorial-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .editorial-card img {
    height: 300px;
  }

  .section-content,
  .container-narrow,
  .form-container {
    padding: 0 var(--spacing-sm);
  }

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

  .section-split,
  .section-aside {
    margin: var(--spacing-md) 0;
  }

  .section-split > div,
  .section-aside > div {
    overflow: hidden;
  }

  .section-wide .section-content {
    padding: 0 var(--spacing-sm);
    max-width: 100%;
  }

  .section-split > div,
  .section-aside > div {
    width: 100%;
  }

  .section-split h3,
  .section-aside h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
  }

  .section-split > div,
  .section-aside > div {
    min-width: 0;
  }

  .section-split > div > p,
  .section-aside > div > p {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .diagram-container {
    padding: var(--spacing-md);
  }

  .timeline {
    padding-left: var(--spacing-md);
  }

  .image-narrative img {
    height: 40vh;
    min-height: 300px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .footer-content {
    padding: 0 var(--spacing-sm);
  }

  h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
  }

  h2 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
  }

  h3 {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
  }

  .section-split,
  .section-aside {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
  }

  .section-split.reverse > div:first-child,
  .section-split.reverse > div:last-child {
    order: 0;
  }

  .section-split img,
  .section-aside img {
    max-height: 300px;
    margin-top: var(--spacing-sm);
  }

  .section-icon-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .section-feature {
    flex-direction: row;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .section-stacked img {
    max-height: 250px;
  }
}

@media (max-width: 320px) {
  .header-content {
    padding: 0 var(--spacing-xs);
  }

  .logo {
    font-size: 0.9rem;
  }

  .burger-menu {
    font-size: 1.25rem;
    padding: calc(var(--spacing-xs) / 2);
  }

  .hero {
    padding: var(--spacing-md) 0;
    padding-left: var(--spacing-xs);
    padding-right: var(--spacing-xs);
  }

  .hero-image {
    height: 35vh;
    min-height: 250px;
  }

  .section-content,
  .container-narrow,
  .form-container {
    padding: 0 var(--spacing-xs);
  }

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

  .section-split,
  .section-aside {
    margin: var(--spacing-sm) 0;
  }

  .section-split > div,
  .section-aside > div {
    overflow: hidden;
    word-wrap: break-word;
  }

  .section-split img,
  .section-aside img {
    margin: var(--spacing-xs) 0;
  }

  .editorial-card img {
    height: 250px;
  }

  .image-narrative img {
    height: 35vh;
    min-height: 250px;
  }

  .diagram-container {
    padding: var(--spacing-sm);
  }

  .modular-block {
    padding-left: var(--spacing-sm);
  }

  .timeline {
    padding-left: var(--spacing-sm);
  }

  .footer-content {
    padding: 0 var(--spacing-xs);
  }

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

  .back-to-top {
    width: 40px;
    height: 40px;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 1.25rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  body {
    font-size: 0.9rem;
  }

  nav {
    padding: var(--spacing-sm);
  }

  nav a {
    font-size: 0.85rem;
  }

  .section-split,
  .section-aside {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
  }

  .section-split.reverse > div:first-child,
  .section-split.reverse > div:last-child {
    order: 0;
  }

  .section-split img,
  .section-aside img {
    max-height: 250px;
    width: 100%;
    margin-top: var(--spacing-xs);
  }

  .section-icon-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
  }

  .icon-item {
    padding: var(--spacing-sm);
  }

  .icon-item::before {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
  }

  .section-feature {
    flex-direction: column;
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    gap: var(--spacing-xs);
  }

  .section-feature::before {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
  }

  .section-stacked {
    gap: var(--spacing-sm);
  }

  .section-stacked img {
    max-height: 200px;
  }

  .section-wide .section-content {
    padding: 0 var(--spacing-xs);
    max-width: 100%;
  }

  .section-split > div,
  .section-aside > div {
    width: 100%;
  }

  .section-split h3,
  .section-aside h3 {
    margin-top: 0;
    font-size: 1.1rem;
  }

  .section-split p,
  .section-aside p {
    font-size: 0.9rem;
    line-height: 1.6;
  }

  .icon-item h3 {
    font-size: 1rem;
  }

  .icon-item p {
    font-size: 0.85rem;
    line-height: 1.5;
  }

  .section-feature h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
  }

  .section-feature p {
    font-size: 0.85rem;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .section-split > div,
  .section-aside > div {
    min-width: 0;
  }

  .section-split > div > p,
  .section-aside > div > p {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }

  .icon-item p {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .section-content h2 {
    margin-bottom: var(--spacing-sm);
  }

  .section-content h3 {
    margin-bottom: var(--spacing-xs);
  }

  .section-content p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
  }
}

@media (min-width: 1200px) {
  .container,
  .container-narrow {
    padding: 0 var(--spacing-lg);
  }
}