/* ─── Reset & Base ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #0d0d0d;
  --white: #fafafa;
  --gray-light: #e8e8e8;
  --gray-mid: #999;
  --gray-dark: #444;
  --accent: #0d0d0d;
  --nav-h: 60px;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-w: 860px;
  --transition: 0.3s ease;
}

html {
  height: 100%;
  width: 100%;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  height: 100%;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
}

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

a:hover {
  opacity: 0.6;
}

/* ─── Navigation ─── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
  z-index: 100;
}

.nav-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-dark);
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--black);
  opacity: 1;
}

/* ─── Pages ─── */
.page {
  display: none;
  min-height: 100vh;
  padding-top: var(--nav-h);
}

.page.active {
  display: block;
}

.page-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 72px 40px 100px;
}

.page-intro {
  font-size: 1.05rem;
  color: var(--gray-dark);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--gray-light);
  padding-bottom: 40px;
}

/* ─── About ─── */
#about.page.active {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-hero {
  width: 100%;
  max-width: var(--max-w);
  padding: 80px 40px 100px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}

.about-image-wrap {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-mid);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-content {
  padding-top: 8px;
}

.about-tagline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 40px;
  letter-spacing: -0.01em;
}

.about-bio {
  font-size: 1rem;
  color: var(--gray-dark);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 40px;
}

.about-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--gray-dark);
  border-left: 2px solid var(--black);
  padding-left: 20px;
  margin-bottom: 48px;
  max-width: 420px;
  line-height: 1.65;
}

.about-quote cite {
  display: block;
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-top: 10px;
}

.about-links {
  display: flex;
  gap: 24px;
}

.about-links a {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--black);
  padding-bottom: 2px;
}

.about-link-inactive {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-mid);
  cursor: default;
  border-bottom: 1px solid var(--gray-light);
  padding-bottom: 2px;
}

/* ─── Work / Projects ─── */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.project-card {
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-light);
}

.project-card:first-child {
  border-top: 1px solid var(--gray-light);
}

.project-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.project-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.project-role {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.project-summary {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 12px;
}

.project-detail {
  font-size: 0.9rem;
  color: var(--gray-dark);
  line-height: 1.75;
  max-width: 620px;
  margin-bottom: 20px;
}

.project-footer {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border: 1px solid var(--gray-light);
  padding: 3px 10px;
  color: var(--gray-dark);
}

.project-status {
  font-size: 0.78rem;
  color: var(--gray-mid);
  font-style: italic;
}

.project-link {
  font-style: normal;
  color: var(--black);
  border-bottom: 1px solid var(--black);
  padding-bottom: 1px;
}

.project-link:hover {
  opacity: 0.5;
}

.inline-link {
  border-bottom: 1px solid var(--gray-dark);
  color: var(--black);
}

.inline-link:hover {
  opacity: 0.5;
}

/* ─── Writing ─── */
.writing-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.writing-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-light);
}

.writing-item:first-child {
  border-top: 1px solid var(--gray-light);
}

.writing-date {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gray-mid);
  font-variant-numeric: tabular-nums;
}

.writing-title {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--black);
}

a.writing-title:hover {
  opacity: 0.5;
}

.writing-placeholder .writing-title.muted {
  color: var(--gray-mid);
  font-style: italic;
}

/* ─── Photos Slideshow ─── */
.photos-page {
  background: var(--white);
}

.photos-page .page-inner {
  padding-top: 72px;
  padding-bottom: 80px;
}

.slideshow {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--white);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
}

.slide-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-mid);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

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

.slide-hover-zone {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 25%;
  z-index: 10;
  display: flex;
  align-items: center;
}

.slide-hover-left {
  left: 0;
  justify-content: flex-start;
}

.slide-hover-right {
  right: 0;
  justify-content: flex-end;
}

.slide-btn {
  background: none;
  border: none;
  color: var(--black);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 16px 20px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.slide-hover-zone:hover .slide-btn {
  opacity: 0.6;
}

.slide-hover-zone:hover .slide-btn:hover {
  opacity: 1;
}

.slide-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 16px;
}

.slide-captions {
  position: relative;
}

.slide-caption {
  display: none;
  gap: 8px;
  align-items: baseline;
}

.slide-caption.active {
  display: flex;
}

.caption-location {
  font-size: 0.85rem;
  color: var(--gray-dark);
  letter-spacing: 0.02em;
}

.caption-sep {
  font-size: 0.75rem;
  color: var(--gray-mid);
}

.caption-year {
  font-size: 0.78rem;
  color: var(--gray-mid);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.slide-counter {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gray-mid);
  font-variant-numeric: tabular-nums;
}

/* ─── Work / Resume ─── */
.resume-list {
  display: flex;
  flex-direction: column;
}

.resume-entry {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--gray-light);
}

.resume-entry:first-child {
  border-top: 1px solid var(--gray-light);
}

.resume-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 3px;
}

.resume-dates {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--gray-mid);
  font-variant-numeric: tabular-nums;
}

.resume-company {
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-dark);
}

.resume-role {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.resume-desc {
  font-size: 0.9rem;
  color: var(--gray-dark);
  line-height: 1.8;
  max-width: 520px;
}

@media (max-width: 700px) {
  .resume-entry {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* ─── Books ─── */
.books-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.book-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 36px;
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-light);
  align-items: start;
}

.book-card:first-child {
  border-top: 1px solid var(--gray-light);
}

.book-cover-wrap {
  flex-shrink: 0;
}

.book-cover-placeholder {
  width: 96px;
  height: 140px;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-mid);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.book-cover-placeholder img,
.book-cover-wrap img {
  width: 96px;
  height: 140px;
  object-fit: cover;
  display: block;
}

.book-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.book-author {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 16px;
}

.book-reflection {
  font-size: 0.9rem;
  color: var(--gray-dark);
  line-height: 1.8;
  max-width: 560px;
}

/* ─── Responsive ─── */
@media (max-width: 700px) {
  #nav {
    padding: 0 20px;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-links a {
    font-size: 0.7rem;
  }

  .about-hero {
    grid-template-columns: 1fr;
    padding: 48px 20px 80px;
    gap: 36px;
  }

  .about-image-wrap {
    position: static;
    max-width: 200px;
  }

  .page-inner {
    padding: 48px 20px 80px;
  }

  .writing-item {
    grid-template-columns: 48px 1fr;
    gap: 12px;
  }

  .book-card {
    grid-template-columns: 80px 1fr;
    gap: 20px;
  }

  .book-cover-placeholder,
  .book-cover-wrap img {
    width: 80px;
    height: 116px;
  }

  .slide-hover-zone {
    width: 25%;
  }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--gray-light);
}