@import url('https://api.fontshare.com/v2/css?f[]=general-sans@200,300,400,500,600,700&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=switzer@100,200,300,400,500,600,700,800,900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500&display=swap');

/* ===== Font override for project pages ===== */
.page-body {
  font-family: 'General Sans', sans-serif;
}

/* ===== Back link (inside sidebar) ===== */
.back-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color 0.2s, gap 0.2s;
}
.back-link:hover { color: var(--text); gap: 0.75rem; }
.back-link svg { transition: transform 0.2s; }
.back-link:hover svg { transform: translateX(-3px); }

/* ===== Page body ===== */
.page-body {
  display: flex;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  overflow-y: auto;
  background: var(--bg);
  z-index: 10;
}

.sidebar-meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sidebar-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.sidebar-project-name {
  font-family: 'EB Garamond', serif;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text);
  line-height: 1.4;
}

/* ===== Sidebar nav ===== */
.sidebar-nav {
  display: flex;
  flex-direction: column;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-3);
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
  line-height: 1.5;
}

/* Connecting vertical line between dots */
.nav-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 3.5px;
  top: calc(0.55rem + 8px);
  width: 1px;
  height: calc(100% - 4px);
  background: var(--border);
  z-index: -1;
}

.nav-item:hover { color: var(--text-2); }

.nav-item .sidebar-text {
  transition: transform 0.2s;
  display: inline-block;
}
.nav-item:hover .sidebar-text { transform: translateX(3px); }

.nav-item.active { color: var(--text); }

.sidebar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #E5E5E5;
  flex-shrink: 0;
  transition: background 0.2s;
}
.nav-item.active .sidebar-dot { background: var(--text); }

/* ===== Main content ===== */
.content {
  flex: 1;
  min-width: 0;
  margin-left: 240px;
  padding: 5rem 6rem 8rem;
}

/* prose column — constrains text to readable width */
.prose {
  max-width: 680px;
}

/* ===== Project link ===== */
.project-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 680px;
  margin: 0.5rem 0 1.75rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  color: var(--text);
  font-weight: 500;
  transition: border-color 0.2s, background 0.2s;
}
.project-link:hover { background: var(--tag-bg); }
.project-link span { color: var(--text-3); font-size: 0.9rem; transition: color 0.2s; }
.project-link:hover span { color: var(--text); }

/* ===== Overview layout (main + side note) ===== */
.overview-layout {
  display: flex;
  align-items: flex-start;
  gap: 3.5rem;
}

.overview-main {
  flex: 0 1 680px;
  min-width: 0;
}

.overview-note {
  flex: 1;
  min-width: 220px;
  max-width: 320px;
  padding-left: 1.5rem;
  position: relative;
}

.overview-note::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.2rem;
  width: 1px;
  height: 1.5rem;
  background: var(--border);
}

.overview-note-label {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.6rem;
}

.overview-note p {
  font-family: 'EB Garamond', serif;
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-2);
  max-width: none;
  margin-bottom: 0;
}

@media (max-width: 1100px) {
  .overview-layout { flex-direction: column; gap: 2rem; }
  .overview-note {
    max-width: 680px;
    padding-left: 1.25rem;
  }
}

/* ===== Content header ===== */
.content-header {
  max-width: 680px;
  margin-bottom: 3rem;
}

.content-header-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.content-header-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding-top: 0.2rem;
}

.pill {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  border: 1px solid var(--border);
  background: none;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  white-space: nowrap;
}

.project-title {
  font-family: 'EB Garamond', serif;
  font-size: 2.25rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text);
  line-height: 1.15;
}

.project-summary {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-2);
  line-height: 1.5;
  letter-spacing: 0;
}

/* ===== Hero image ===== */
.hero-image {
  aspect-ratio: 16 / 9;
  margin-bottom: 5rem;
  background: #F5F5F5;
  overflow: hidden;
  border-radius: 12px;
}

.hero-image img,
.hero-image video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* ===== Content sections ===== */
.content-section {
  margin-bottom: 4.5rem;
  display: flex;
  flex-direction: column;
}

.section-label {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: 'EB Garamond', serif;
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.143;
  letter-spacing: 0;
  color: var(--text);
  margin-bottom: 1.25rem;
  max-width: 680px;
}

.content-section p {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0;
  color: #767676;
  margin-bottom: 1.75rem;
  max-width: 680px;
}

.content-section ol {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0;
  color: #767676;
  max-width: 680px;
  margin: -0.75rem 0 1.75rem;
  padding-left: 1.25rem;
}

.content-section ol li {
  margin-bottom: 0.75rem;
}

.content-section ol strong {
  color: var(--text);
  font-weight: 500;
}

/* ===== Images ===== */
.img-block {
  background: #F5F5F5;
  overflow: hidden;
  border-radius: 10px;
  margin: 1.5rem 0 2.5rem;
  min-height: 300px;
}

.content-section p.img-caption {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin: -1.25rem 0 0.5rem;
}

.img-block img,
.img-block video {
  width: 100%;
  display: block;
  object-fit: cover;
}

.img-block:has(video) {
  padding: 3rem;
}

.img-block video {
  border-radius: 6px;
}

.img-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0 2.5rem;
}

.img-row .img-block {
  margin: 0;
  min-height: 220px;
}

/* ===== Detail problems (two columns, e.g. Business Goal / User Needs) ===== */
.detail-problems {
  display: flex;
  flex-direction: row;
  gap: 3rem;
  width: 100%;
  margin: 1.5rem 0;
}

.detail-problem-item {
  flex: 1;
}

.detail-problem-item h3 {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 1rem;
}

.detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.detail-list li {
  font-size: 1rem;
  color: var(--text-2);
  font-weight: 300;
  line-height: 1.6;
  padding-left: 1.25rem;
  position: relative;
}

.detail-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text);
}

@media (max-width: 768px) {
  .detail-problems { flex-direction: column; gap: 2rem; }
  .project-nav { flex-direction: column; }
  .project-nav .next-project { text-align: left; align-items: flex-start; }
}

/* ===== Problem list ===== */
.problem-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin: 1.5rem 0 2.5rem;
}

.problem-heading {
  font-family: var(--ff-body, 'General Sans', sans-serif);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.problem-num {
  color: var(--text-3);
  margin-right: 0.15rem;
}

.problem-item p {
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.5;
  color: #767676;
  margin-bottom: 0;
  max-width: none;
}

.problem-list--stacked {
  grid-template-columns: 1fr;
  gap: 1.75rem;
  max-width: 680px;
}

@media (max-width: 900px) {
  .problem-list { grid-template-columns: 1fr; gap: 2rem; }
}

/* ===== Scroll gallery ===== */
.scroll-gallery {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  margin: 1.5rem 0 2.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.scroll-gallery::-webkit-scrollbar {
  height: 6px;
}
.scroll-gallery::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.scroll-gallery-item {
  flex: 0 0 auto;
  width: 100%;
  max-width: 960px;
  aspect-ratio: 2000 / 1380;
  border-radius: 10px;
  overflow: hidden;
  background: #F5F5F5;
  scroll-snap-align: start;
}

.scroll-gallery-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* ===== Stats ===== */
.stats-row {
  display: flex;
  gap: 4rem;
  padding: 2.5rem 0;
  max-width: 680px;
  margin: 1rem 0 2rem;
}

.stat {
  flex: 1;
}

.stat-number {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-3);
  line-height: 1.4;
}

/* ===== Prev / Next project ===== */
.project-nav {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.75rem;
  padding: 3.5rem 0 2rem;
  max-width: 680px;
}

.project-nav .next-project {
  text-align: right;
  align-items: flex-end;
}

.prev-project {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 3.5rem 0 2rem;
  max-width: 680px;
}

.project-nav .prev-project,
.project-nav .next-project {
  padding: 0;
  max-width: none;
}

.next-project {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 3.5rem 0 2rem;
  max-width: 680px;
}

.next-label {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-3);
  text-transform: uppercase;
}

.next-title {
  font-family: 'EB Garamond', serif;
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text);
  transition: opacity 0.2s;
}

.next-title:hover {
  opacity: 0.4;
}

/* ===== Footer (project pages) ===== */
.page-body ~ footer {
  padding-left: calc(280px + 6rem);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .page-body { flex-direction: column; }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    padding: 16px;
    border-bottom: 1px solid #efefef;
    z-index: auto;
  }
  .content { margin-left: 0; }

  .sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .nav-item::after { display: none; }
  .sidebar-dot { display: none; }

  .nav-item { padding: 4px 8px; font-size: 10px; gap: 0; }

  .content { padding: 2rem 1.5rem 4rem; }

  .project-title { font-size: 1.6rem; }

  .section-title { font-size: 1.1rem; }

  .img-row { grid-template-columns: 1fr; }

  .stats-row { gap: 2rem; flex-wrap: wrap; }
}

/* ===== Sidebar left-align override (dot version) ===== */
@media (min-width: 769px) {

.sidebar {
  width: 280px;
  padding: 48px 32px;
  align-items: flex-start;
}

.sidebar-nav {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  text-align: left;
}

.nav-item .sidebar-text {
  text-align: left;
}

.content {
  margin-left: 280px;
}

}