body {
  font-family: 'Roboto Slab', sans-serif;
  background-color: #fefce8; /* warm parchment */
  color: #1f2937; /* elegant slate */
  line-height: 1.6;
  letter-spacing: 0.015em;
}

.navbar {
  background-color: #7c2d12; /* dark warm brown */
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.navbar-brand {
  font-size: 2.25rem;
  font-weight: 900;
  color: #facc15; /* golden yellow */
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.nav-link {
  padding: 0.5rem 1rem;
  color: #fef3c7; /* light amber */
  font-weight: 600;
  text-transform: uppercase;
  transition: color 0.3s ease, transform 0.2s ease;
}

.nav-link:hover {
  color: #facc15;
  transform: scale(1.05);
}

.hero-section {
  background: linear-gradient(to right, #78350f, #9a3412); /* warm reddish brown */
  height: 28rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero-title {
  font-size: 3.75rem;
  font-weight: 800;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 400;
  opacity: 0.9;
}

.hero-button {
  margin-top: 2rem;
  display: inline-block;
  background-color: #facc15; /* gold */
  color: #78350f; /* brown text */
  font-size: 1.125rem;
  padding: 0.85rem 2rem;
  border-radius: 9999px;
  font-weight: 700;
  text-transform: uppercase;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 8px 20px rgba(250, 204, 21, 0.3);
}

.hero-button:hover {
  background-color: #eab308;
  transform: translateY(-2px) scale(1.04);
}

.vision-section,
.content-section,
.principle-card {
  background: #fff;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.vision-section:hover,
.principle-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.vision-title,
.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #9a3412; /* deep warm red */
  margin-bottom: 1.5rem;
  text-align: center;
  text-transform: uppercase;
}

.vision-paragraph,
.section-paragraph,
.principle-text {
  font-size: 1.125rem;
  color: #374151;
  line-height: 1.75;
  text-align: justify;
}

.principle-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #b45309; /* warm bronze */
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.principles-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .principles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-style {
  background-color: #7c2d12;
  color: #fcd34d;
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 4rem;
  border-top: 2px solid #fbbf24;
}

.page-header {
  text-align: center;
  padding: 3rem 1rem;
  background: linear-gradient(to right, #9a3412, #b45309);
  color: #fff;
  border-radius: 0.75rem;
  margin-top: 2rem;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-title {
  font-size: 3rem;
  font-weight: 900;
  text-transform: uppercase;
}

.styled-list {
  list-style: disc inside;
  font-size: 1.125rem;
  color: #4b5563;
  margin-left: 2rem;
  line-height: 1.75;
  padding-left: 0;
}

.styled-list li {
  margin-bottom: 0.5rem;
}

.subsection-title {
  font-size: 2rem;
  font-weight: 700;
  color: #78350f;
  margin-top: 2rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.section-footer {
  margin-top: 2rem;
  font-family: 'Roboto', sans-serif;
  color: #5a3e1b; /* warm brown tone */
  text-align: center;
  font-size: 1.125rem; /* text-lg */
  font-weight: 500; /* medium */
}

.main-content {
  padding: 2.5rem 1rem;
  max-width: 72rem;
  margin: 0 auto;
  color: #2d2d2d;
}

.roadmap-section {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.roadmap-phase {
  margin-bottom: 2rem;
}

.phase-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.phase-complete {
  color: #16a34a; /* green-600 */
}

.phase-in-progress {
  color: #ca8a04; /* yellow-600 */
}

.phase-list {
  list-style: none;
  padding-left: 1rem;
  border-left: 4px solid;
  margin-top: 1rem;
}

.complete-list {
  border-color: #16a34a;
}

.phase-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.checkmark {
  color: #16a34a;
}

.section-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1f2937; /* gray-800 */
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.section-subheading {
  font-size: 1.25rem;
  font-weight: 600;
  color: #374151; /* gray-700 */
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.feature-list {
  list-style: disc;
  list-style-position: inside;
  color: #374151; /* gray-700 */
  margin-left: 1rem;
  margin-bottom: 1rem;
}

.github-link svg {
  width: 78px;
  height: 78px;
  fill: #5a3e1b;
  transition: fill 0.3s ease;
}

.github-link:hover svg {
  fill: #a87e3c;
}

.contribute-intro {
  max-width: 40rem; /* matches your max-w-xl */
  margin-bottom: 2rem;
  font-family: 'Roboto', sans-serif;
  font-size: 1.125rem; /* slightly larger for emphasis */
  color: #7a4a10; /* warm amber/brown */
  line-height: 1.5;
  text-align: center;
  padding: 0 1rem;
}
