/* =========================
   Design tokens
   ========================= */

:root {
  --bg: #0f1419;
  --bg-soft: #141b22;
  --text: #e6e9ee;
  --muted: #9aa4b2;
  --accent: #c9a24d; /* warm brass */
  --border: #243040;

  --max-width: 58ch;
}

/* =========================
   Base
   ========================= */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--text);
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

a:focus-visible,
.card-link:focus-visible,
.tag:focus-visible,
.social-link:focus-visible,
.pagination-link:focus-visible,
.nav-right a:focus-visible,
.nav-toggle:focus-visible,
.hero-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1,
h2 {
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.4rem;
  margin: 0.5rem 0 1rem;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}


/* =========================
   Nav
   ========================= */

.nav {
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-left {
  font-weight: 500;
  font-size: 1.1rem;
}

.nav-right a {
  margin-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-right {
  display: flex;
  align-items: center;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
}

.nav-toggle-icon {
  width: 18px;
  height: 2px;
  background: var(--text);
  display: inline-block;
  position: relative;
  box-shadow: 0 -6px 0 var(--text), 0 6px 0 var(--text);
}

.nav-toggle-text {
  letter-spacing: 0.02em;
}

.nav-right a[aria-current="page"] {
  color: var(--text);
  border-bottom: 1px solid var(--accent);
}

/* =========================
   Page
   ========================= */

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* =========================
   Hero
   ========================= */

.hero {
  display: grid;
  /* make the image column noticeably narrower so copy leads */
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.75rem;
  align-items: start; /* align to top to give the portrait "placement" space */
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.hero p {
  max-width: var(--max-width);
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  position: relative;
  padding-bottom: 0.5rem; /* space for the whisper line */
}

.eyebrow::after {
  content: "";
  display: block;
  width: 140px;
  height: 1px;
  margin-top: 0.35rem;
  border-radius: 1px;
  background: linear-gradient(90deg, rgba(201, 162, 77, 0.18), rgba(201, 162, 77, 0.06));
}

.hero-links a {
  display: inline-block;
  margin-right: 1.5rem;
  margin-top: 1rem;
  font-size: 0.95rem;
}

/* Reduce portrait dominance: cap the column and image size */
.hero-image {
  display: flex;
  justify-self: end;
  justify-content: center;
  align-items: center;
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
  max-width: 360px;
  margin-left: auto;
}

.hero-image img {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: block;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

.notion-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.notion-hero-copy p {
  max-width: var(--max-width);
}

.notion-hero-image {
  display: flex;
  justify-content: center;
}

.notion-hero-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: block;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.notion-templates {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2.5rem;
}

.template-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  align-items: center;
  padding: 1.75rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
}

.template-media {
  width: 100%;
  aspect-ratio: 5 / 4;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.template-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.template-content h2 {
  margin: 0 0 0.75rem;
}

.template-content p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.template-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  background: rgba(15, 20, 25, 0.4);
}

.template-link:hover {
  color: var(--accent);
  border-color: rgba(201, 162, 77, 0.6);
}

/* =========================
   Projects
   ========================= */

.projects-section h2 {
  margin-top: 0.6rem;
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.project-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 2rem;
  align-items: center;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-soft);
}

.project-row--reverse .project-media {
  order: 2;
}

.project-row--reverse .project-body {
  order: 1;
}

.project-row--reverse {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
}

.project-media {
  width: 100%;
  aspect-ratio: 16 / 11;
  border-radius: 12px;
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(201, 162, 77, 0.08), rgba(20, 27, 34, 0.92)),
    linear-gradient(transparent 95%, rgba(36, 48, 64, 0.35) 95%),
    linear-gradient(90deg, transparent 95%, rgba(36, 48, 64, 0.35) 95%);
  background-size: cover, 24px 24px, 24px 24px;
  background-position: center;
}

.project-media--light {
  background: #ffffff;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

.project-body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.project-meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
}

.project-body p {
  margin: 0 0 1.1rem;
  color: var(--muted);
  line-height: 1.7;
}

.project-bullets {
  margin: 0 0 1.1rem;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.project-bullets li {
  list-style: disc;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.2rem;
  margin-bottom: 0.9rem;
}

.project-tags .tag {
  font-size: 0.7rem;
  color: rgba(154, 164, 178, 0.6);
  border-color: rgba(154, 164, 178, 0.22);
  background: rgba(154, 164, 178, 0.06);
}

.project-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.project-link:hover {
  color: var(--accent);
}

/* =========================
   Sections
   ========================= */

.section {
  padding-top: 3rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.section-header .section-action {
  margin-left: auto;
}

.section-action {
  font-size: 0.9rem;
  color: var(--text);
  text-decoration: none;
}

.section-action:hover {
  text-decoration: underline;
  text-decoration-color: rgba(201, 162, 77, 0.6);
  text-underline-offset: 3px;
}

.section-action--primary {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(201, 162, 77, 0.6);
  background: rgba(201, 162, 77, 0.12);
}

.section-action--primary:hover {
  text-decoration: none;
  color: var(--accent);
  border-color: var(--accent);
}

/* Divider inspired by the hero eyebrow */
.section-divider {
  margin: 2.5rem 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 162, 77, 0.4), transparent);
}

.writing-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.writing-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.writing-list span {
  color: var(--muted);
  font-size: 0.85rem;
}

.section-link {
  font-size: 0.95rem;
  color: var(--muted);
}

.section-lede {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 60ch;
}

.section-lede--full {
  max-width: none;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.writing-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  background: var(--bg-soft);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.writing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 162, 77, 0.6);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.writing-card h3 a {
  color: inherit;
}

.writing-card h3 a:hover {
  color: var(--accent);
}
.writing-card h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.3;
}

.card-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.writing-card p {
  margin: 0;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-link {
  margin-top: auto;
  font-size: 0.95rem;
  color: var(--muted);
}

.card-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.card-link:hover {
  color: var(--accent);
}

/* =========================
   Blog
   ========================= */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0 2rem;
}

.tag-link {
  text-decoration: none;
}

.tag-link:hover {
  color: var(--accent);
  border-color: rgba(201, 162, 77, 0.6);
}

.tag.is-active {
  color: var(--accent);
  border-color: rgba(201, 162, 77, 0.6);
  background: rgba(201, 162, 77, 0.08);
}

.blog-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 162, 77, 0.6);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.blog-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.blog-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--muted);
}

.blog-tags,
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(154, 164, 178, 0.35);
  color: var(--muted);
  background: rgba(154, 164, 178, 0.12);
}

.tag[data-tag="visualisation"] {
  color: #ffb347;
  border-color: rgba(255, 179, 71, 0.6);
  background: rgba(255, 179, 71, 0.12);
}

.tag[data-tag="petrophysics"] {
  color: #7fce8f;
  border-color: rgba(127, 206, 143, 0.6);
  background: rgba(127, 206, 143, 0.12);
}

.tag[data-tag="python"] {
  color: #8e7fce;
  border-color: rgba(151, 127, 206, 0.6);
  background: rgba(167, 118, 231, 0.12);
}


.blog-title {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.3;
}

.blog-title a {
  color: inherit;
}

.blog-title a:hover {
  color: var(--accent);
}

.blog-excerpt {
  margin: 0;
  color: var(--muted);
}

.pagination {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.pagination-link {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  background: var(--bg-soft);
  font-size: 0.9rem;
  color: var(--text);
}

.pagination-link:hover {
  color: var(--accent);
  border-color: rgba(201, 162, 77, 0.6);
}

.pagination-link.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.pagination-status {
  font-size: 0.9rem;
  color: var(--muted);
}

/* =========================
   Videos
   ========================= */

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem;
}

.video-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
}

.video-thumb-link {
  display: block;
}

.video-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.video-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.video-title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
}

.video-title a {
  color: inherit;
}

.video-title a:hover {
  color: var(--accent);
}

.video-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.video-cta {
  margin-top: auto;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.video-cta:hover {
  color: var(--accent);
}

/* =========================
   Data Directory
   ========================= */

.data-page h1 {
  margin-top: 0;
}

.data-disclaimer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.data-disclaimer h2 {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  color: var(--text);
}

.data-disclaimer p {
  margin: 0 0 0.75rem;
}

.data-disclaimer p:last-child {
  margin-bottom: 0;
}

.data-disclaimer-summary {
  margin: 1.5rem 0;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.data-disclaimer-text {
  margin: 0;
  max-width: none;
  white-space: nowrap;
}

.data-disclaimer-text a {
  margin-left: 0.35rem;
}

.data-disclaimer-actions {
  margin-top: 0.75rem;
  text-align: right;
}

.data-disclaimer-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
}

.data-disclaimer-link:hover {
  color: var(--accent);
}

.data-issue-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text);
  text-decoration: none;
}

.data-issue-link:hover {
  color: var(--accent);
}

.data-filters {
  margin: 2rem 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  align-items: end;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.filter-field input,
.filter-field select {
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 0.9rem;
}

.filter-clear {
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  height: fit-content;
}

.filter-actions {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.filter-clear:hover {
  color: var(--accent);
  border-color: rgba(201, 162, 77, 0.6);
}

.data-table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 12px;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.75rem 0.8rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 0.9rem;
}

.data-col-title {
  width: 320px;
}

.data-col-action {
  width: 140px;
  text-align: right;
  white-space: nowrap;
}

.data-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: rgba(15, 20, 25, 0.4);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-type-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.data-pill {
  font-size: 0.7rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(154, 164, 178, 0.35);
  color: var(--muted);
  background: rgba(154, 164, 178, 0.12);
  white-space: nowrap;
}

.data-external {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.4);
  color: var(--text);
  font-size: 0.85rem;
  text-decoration: none;
}

.data-external:hover {
  color: var(--accent);
  border-color: rgba(201, 162, 77, 0.6);
}

@media (max-width: 900px) {
  .data-table {
    min-width: 720px;
  }

  .data-disclaimer-text {
    white-space: normal;
  }
}

/* =========================
   Post
   ========================= */

.post-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.post-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  background: var(--bg-soft);
}

.post-date {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.post-hero {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.post-content {
  margin-top: 1.5rem;
}

.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
}

.post-content h2 {
  margin-top: 2rem;
}

.post-nav {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.post-nav-link {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  background: var(--bg-soft);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.post-nav-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.post-nav-title {
  color: var(--text);
  font-weight: 600;
}

.post-nav-link:hover {
  border-color: rgba(201, 162, 77, 0.6);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.18);
}

.post-related {
  margin-top: 2.5rem;
}

.post-related-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: grid;
  gap: 0.6rem;
}

.post-related-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.post-related-link {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.post-related-link:hover {
  color: var(--accent);
}

.post-related-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

/* =========================
   Publications
   ========================= */

.pub-years {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pub-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1.1rem;
  background: var(--bg-soft);
  overflow-x: auto;
}

.pub-item:last-child {
  border-bottom: 1px solid var(--border);
}

.pub-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.pub-type {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.pub-type--journal {
  border-color: rgba(127, 206, 143, 0.6);
  color: #7fce8f;
  background: rgba(127, 206, 143, 0.12);
}

.pub-type--conference {
  border-color: rgba(255, 179, 71, 0.6);
  color: #ffb347;
  background: rgba(255, 179, 71, 0.12);
}

.pub-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.pub-title {
  margin: 0;
  font-size: 1.1rem;
}

.pub-title a {
  color: inherit;
}

.pub-title a:hover {
  color: var(--accent);
}

.pub-authors,
.pub-venue,
.pub-abstract {
  margin: 0 0 0.35rem;
  color: var(--muted);
}

.pub-authors {
  white-space: nowrap;
}

.pub-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.35rem;
}

.pub-venue {
  font-style: italic;
  white-space: nowrap;
}

.pub-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.pub-links--right {
  justify-content: flex-end;
}

.about-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

.about-hero-copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-hero-image {
  display: flex;
  justify-content: flex-start;
  align-self: start;
}

.about-hero-image img {
  width: 100%;
  max-width: 210px;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.about-page .section h2 {
  margin-bottom: 0.75rem;
}

.about-page .section p {
  margin: 0 0 1rem;
}

.about-page .section p:last-child {
  margin-bottom: 0;
}

.about-page .about-hero-copy p {
  margin: 0;
}

.about-social-links {
  justify-content: center;
}

.orientation-list {
  margin: 0.5rem 0 1rem;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.4rem;
}

@media (max-width: 900px) {
  .about-hero {
    grid-template-columns: 1fr;
  }
}
.pub-abstract {
  margin: 0.4rem 0 0.6rem;
}

.pub-abstract summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
  list-style: none;
}

.pub-abstract summary::-webkit-details-marker {
  display: none;
}

.pub-abstract summary::after {
  content: " +";
  color: var(--accent);
}

.pub-abstract[open] summary::after {
  content: " -";
}

.pub-abstract p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  max-width: none;
  white-space: normal;
}

.pub-link {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(154, 164, 178, 0.35);
  background: rgba(154, 164, 178, 0.12);
}

.pub-link:hover {
  color: var(--accent);
  border-color: rgba(201, 162, 77, 0.6);
  background: rgba(201, 162, 77, 0.12);
}

/* =========================
   Book spotlight
   ========================= */

.book-spotlight {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-soft);
}

.book-cover {
  height: 300px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(201, 162, 77, 0.15), rgba(20, 27, 34, 1));
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.book-title {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
}

.book-subtitle {
  margin: 0 0 1rem;
  color: var(--muted);
}

.book-list {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
}

.book-list li {
  margin-bottom: 0.4rem;
}

.book-status {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.book-progress {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.book-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, rgba(201, 162, 77, 0.8), rgba(201, 162, 77, 0.4));
}

.book-progress-label {
  font-size: 0.9rem;
  color: var(--muted);
}

.book-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* =========================
   Footer
   ========================= */

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  justify-content: center;
}

.footer p {
  margin: 0;
  max-width: 1100px;
  text-align: center;
}

.footer-inner {
  max-width: 1100px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.social-links {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  justify-content: center;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.social-link:hover {
  color: var(--accent);
  border-color: rgba(201, 162, 77, 0.6);
  transform: translateY(-1px);
}

.social-icon {
  width: 18px;
  height: 18px;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* =========================
   Responsive
   ========================= */

@media (max-width: 900px) {
  .nav-inner {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-right {
    display: none;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
  }

  body.nav-open .nav-right {
    display: flex;
  }

  .nav-right a {
    margin-left: 0;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-bottom: 2rem;
  }

  .hero-text {
    padding-top: 0.5rem;
  }

  .eyebrow {
    margin-bottom: 0.5rem;
    font-size: 0.7rem;
  }

  .hero-image {
    order: -1;
    margin: 0 auto;
    max-width: 220px;
  }

  .hero-image img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
  }

  .notion-hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .notion-hero-image {
    order: -1;
    margin: 0 auto;
    max-width: 320px;
  }

  .notion-hero-image img {
    width: 100%;
  }

  .notion-templates {
    margin-top: 2rem;
  }

  .template-card {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

.template-media {
  max-width: 240px;
  margin: 0 auto;
}

  .project-row,
  .project-row--reverse {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }

  .project-media {
    order: 1;
  }

  .project-body {
    order: 2;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .book-spotlight {
    grid-template-columns: 1fr;
  }

  .book-cover {
    height: 220px;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .post-nav {
    grid-template-columns: 1fr;
  }
}