:root {
  --bg: #FAF9F1;
  --text: #141414;
  --muted: #5e5e5e;
  --card-border: rgba(163, 163, 163, 0.55);
  --soft-border: rgba(229, 229, 229, 0.9);
  --card-bg: rgba(255, 255, 255, 0.70);
  --white: #ffffff;
  --accent: #E03D46;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main {
  flex: 1;
  padding: 3rem 0 5rem;
}

.container {
  width: min(1400px, calc(100% - 2rem));
  margin-inline: auto;
}

.back-row {
  margin-bottom: 2rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 2px solid var(--text);
  background: var(--bg);
  padding: 0.5rem 1rem;
  font: 700 0.75rem/1 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  letter-spacing: 0.08em;
  box-shadow: 2px 2px 0 var(--text);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.back-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--text);
}

.back-link:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.back-link svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-heading {
  max-width: 48rem;
  margin: 0 auto 3.5rem;
  text-align: center;
}

.heading-title {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.heading-title h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
}

.heading-mark {
  width: 0.75rem;
  height: 0.75rem;
  margin-top: -0.15rem;
  border-radius: 2px;
  background: var(--accent);
}

.page-heading p {
  margin: 1rem auto 0;
  max-width: 42rem;
  color: var(--muted);
  font: 500 0.8rem/1.65 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  letter-spacing: -0.01em;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.project-card,
.skeleton-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  background: var(--card-bg);
}

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  transform: translateY(25px);
  animation: card-in 450ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition:
    border-color 300ms ease,
    box-shadow 300ms ease,
    transform 300ms ease;
  backdrop-filter: blur(2px);
}

.project-card:hover {
  border-color: var(--text);
  transform: translateY(-4px);
  box-shadow: 4px 4px 0 var(--text);
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 10;
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid var(--soft-border);
  background: #f0f0f0;
}

.project-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 500ms ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  transition: opacity 300ms ease;
  pointer-events: none;
}

.project-card:hover .project-image::after {
  opacity: 0;
}

.project-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
}

.project-title {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.project-description {
  margin: 0.5rem 0 0;
  color: #4c4c4c;
  font: 500 0.75rem/1.65 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
}

.project-footer {
  margin-top: 1rem;
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.625rem;
}

.stack-tag {
  border: 1px solid #d4d4d4;
  border-radius: 0.375rem;
  background: var(--white);
  padding: 0.125rem 0.5rem;
  color: #4c4c4c;
  font: 500 0.6875rem/1.35 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.625rem;
  border-top: 1px solid #ededed;
}

.action-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border: 1px solid #d4d4d4;
  border-radius: 0.5rem;
  background: var(--white);
  padding: 0.375rem 0.75rem;
  color: #2f2f2f;
  font: 700 0.75rem/1.2 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background 200ms ease,
    color 200ms ease,
    box-shadow 200ms ease;
}

.action-link:hover {
  transform: translateY(-2px);
  border-color: var(--text);
  background: var(--text);
  color: var(--white);
  box-shadow: 2px 2px 0 var(--text);
}

.action-link.live:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--white);
}

.action-link svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.action-link.external svg {
  width: 13px;
  height: 13px;
  stroke-width: 2.4;
}

.projects-grid.is-loading {
  grid-template-columns: 1fr;
}

.skeleton-card {
  min-height: 100%;
  animation: pulse 1.6s ease-in-out infinite;
}

.skeleton-image {
  aspect-ratio: 16 / 10;
  background: #e6e6e6;
}

.skeleton-content {
  padding: 1rem 1rem 0;
}

.skeleton-line {
  border-radius: 0.4rem;
  background: #e6e6e6;
}

.skeleton-title {
  width: 75%;
  height: 1.25rem;
}

.skeleton-text {
  width: 100%;
  height: 0.875rem;
  margin-top: 0.625rem;
}

.skeleton-text.short {
  width: 83%;
  margin-top: 0.375rem;
}

.skeleton-footer {
  padding: 0.75rem 1rem 1rem;
}

.skeleton-tags {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 0.625rem;
}

.skeleton-tag {
  height: 1.25rem;
}

.skeleton-tag.one {
  width: 3.5rem;
}

.skeleton-tag.two {
  width: 4rem;
}

.skeleton-tag.three {
  width: 3rem;
}

.skeleton-actions {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.625rem;
  border-top: 1px solid #ececec;
}

.skeleton-button {
  height: 1.75rem;
}

.skeleton-button.one {
  width: 5rem;
}

.skeleton-button.two {
  width: 4rem;
}

.status {
  grid-column: 1 / -1;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  font: 600 0.8rem/1.5 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.62; }
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 640px) {
  .main {
    padding: 4rem 0 5rem;
  }

  .container {
    width: min(1400px, calc(100% - 3rem));
  }

  .projects-grid,
  .projects-grid.is-loading {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem;
  }

  .project-content,
  .skeleton-content,
  .skeleton-footer {
    padding-inline: 1.25rem;
  }
}

@media (min-width: 1024px) {
  .container {
    width: min(1400px, calc(100% - 5rem));
  }

  .projects-grid,
  .projects-grid.is-loading {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .main {
    padding-top: 5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .project-card,
  .project-card:hover,
  .project-image img,
  .project-image::after,
  .back-link,
  .action-link {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}