/* Version 2 */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,400&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-serif: "Cormorant Garamond", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --color-paper: #F5F5F0;
  --color-ink: #2D2D2D;
  --color-olive: #5A5A40;
  --color-white: #FFFFFF;
  --color-gray-100: #F3F4F6;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-900: #111827;
  --color-black-5: rgba(0, 0, 0, 0.05);
}

body {
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  margin: 0;
  padding: 0;
}

.container {
  min-height: 100vh;
  padding: 2rem;
  max-width: 80rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .container {
    padding: 4rem;
  }
}

header {
  margin-bottom: 4rem;
}

h1 {
  font-family: var(--font-serif);
  font-size: 3.75rem;
  margin-bottom: 1rem;
  color: var(--color-gray-900);
}

.subtitle {
  color: var(--color-gray-500);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

nav {
  margin-bottom: 3rem;
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
}

.nav-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.nav-btn.active {
  background-color: var(--color-olive);
  color: var(--color-white);
}

.nav-btn.inactive {
  background-color: var(--color-white);
  color: var(--color-gray-500);
}

.nav-btn.inactive:hover {
  background-color: var(--color-gray-100);
}

main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 6rem;
}

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

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

.project-card {
  display: block;
  padding: 2rem;
  background-color: var(--color-white);
  border-radius: 1rem;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-black-5);
  text-decoration: none;
  transition: transform 0.2s;
}

.project-card:hover {
  transform: scale(1.02);
}

.project-card h3 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  margin-bottom: 0.75rem;
  color: var(--color-gray-900);
}

.project-card p {
  color: var(--color-gray-600);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.tags {
  display: flex;
  gap: 0.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--color-gray-100);
  color: var(--color-gray-500);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

.timeline-section {
  padding: 4rem 0;
}

.timeline-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  margin-bottom: 3rem;
  color: var(--color-gray-900);
}

.timeline-list {
  border-left: 1px solid #E5E7EB;
  padding-left: 2rem;
  margin-left: 2rem;
}

.timeline-item {
  position: relative;
  cursor: pointer;
  margin-bottom: 2rem;
  transition: transform 0.2s;
}

.timeline-item:hover {
  transform: translateX(0.5rem);
}

.timeline-dot {
  position: absolute;
  left: -41px;
  top: 0.25rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background-color: var(--color-olive);
  border: 4px solid var(--color-paper);
}

.timeline-item h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-gray-900);
}

.timeline-item p.date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.timeline-item p.desc {
  color: var(--color-gray-600);
  line-height: 1.6;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 50;
}

.modal-content {
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: 1rem;
  max-width: 32rem;
  width: 100%;
}

.modal-content img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
}

.modal-content h3 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  margin-bottom: 0.5rem;
}

.modal-content p {
  color: var(--color-gray-600);
  line-height: 1.6;
}

.close-btn {
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-olive);
  border: none;
  background: none;
  cursor: pointer;
}