:root {
  --bg: #f3f7f9;
  --panel: #ffffff;
  --ink: #102027;
  --muted: #4f6670;
  --accent: #0f766e;
  --line: #d5e2e8;
  --shadow: 0 10px 30px rgba(15, 34, 49, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -5%, #d8ecea 0%, transparent 60%),
    radial-gradient(900px 500px at 100% 5%, #fbe6d2 0%, transparent 55%),
    linear-gradient(180deg, #f7fbfc 0%, #eef4f7 100%);
}

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

a:hover {
  text-decoration: underline;
}

img,
video {
  max-width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 251, 252, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(16, 32, 39, 0.08);
}

.nav-wrap {
  width: min(1120px, 92vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
}

.brand {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.nav-toggle {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 10px;
  color: var(--ink);
  font-size: 1rem;
  padding: 8px 10px;
  display: none;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-links a {
  color: var(--ink);
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 999px;
  transition: background-color 180ms ease, color 180ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  background: #d8ecea;
  color: #083d38;
  text-decoration: none;
}

main {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 34px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: center;
  background: var(--panel);
  border: 1px solid rgba(16, 32, 39, 0.08);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  padding: clamp(20px, 3vw, 34px);
  margin-bottom: 26px;
}

.hero-photo {
  width: 100%;
  border-radius: 16px;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
}

.hero h1,
.page-title {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.12;
  margin: 0 0 10px;
}

.page-title {
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
}

.subtitle {
  margin: 0 0 16px;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
}

.bio,
.story {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.75;
  color: #1f3139;
}

.token-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
  visibility: visible;
  opacity: 1;
}

.token {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: #f6fafb;
  color: #13434c;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 8px 12px;
}

.hero .token {
  display: inline-flex !important;
}

.token:hover {
  border-color: #97bdc2;
  text-decoration: none;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid rgba(16, 32, 39, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.card h2,
.card h3 {
  font-family: "Fraunces", Georgia, serif;
  margin: 0 0 10px;
  line-height: 1.2;
}

.card h2 {
  font-size: 1.45rem;
}

.card h3 {
  font-size: 1.18rem;
}

.metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.metrics li {
  background: #eff7f7;
  border: 1px solid #c8e2df;
  color: #0f5752;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 700;
}

.item-list {
  margin: 0;
  padding-left: 18px;
  color: #253840;
  line-height: 1.7;
}

.item-list li + li {
  margin-top: 8px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.section-head h2 {
  margin: 0;
}

.venue-tag {
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  background: #fff7ed;
  border: 1px solid #f4c89f;
  color: #92400e;
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 0.85rem;
  font-weight: 700;
}

.pub-card {
  display: grid;
  gap: 10px;
}

.pub-title {
  margin: 0;
  font-size: 1.08rem;
  font-family: "Fraunces", Georgia, serif;
}

.pub-authors {
  margin: 0;
  color: #243a43;
  line-height: 1.65;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7fbfc;
  color: #11424b;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 700;
}

.button:hover {
  background: #edf6f7;
  text-decoration: none;
}

.figure-grid,
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.figure-grid img,
.media-grid img,
.media-grid video {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0f1f28;
}

.figure-grid img,
.media-grid img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.media-grid video {
  width: 100%;
  height: auto;
  max-height: 540px;
  object-fit: contain;
}

.figure-grid figure,
.media-grid figure {
  margin: 0;
}

.figure-grid figcaption,
.media-grid figcaption {
  margin-top: 6px;
  font-size: 0.83rem;
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.project-card {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid #cfe1e7;
  border-radius: 14px;
  background: #f7fbfc;
  color: #142a32;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.project-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  border-color: #9fc4cc;
  box-shadow: 0 10px 20px rgba(20, 42, 50, 0.12);
}

.project-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-family: "Fraunces", Georgia, serif;
}

.direction-overview {
  display: grid;
  gap: 14px;
}

.direction-card-link {
  display: block;
  color: inherit;
}

.direction-card-link:hover {
  text-decoration: none;
}

.direction-card {
  border: 1px solid #cfe1e7;
  border-radius: 14px;
  background: #f7fbfc;
  padding: 18px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.direction-card-link:hover .direction-card {
  transform: translateY(-2px);
  border-color: #9fc4cc;
  box-shadow: 0 10px 20px rgba(20, 42, 50, 0.12);
}

.direction-card h2 {
  margin: 0 0 8px;
}

.direction-snapshot {
  width: auto;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
  object-fit: initial;
  background: transparent;
  margin-bottom: 12px;
}

.snapshot-foundation {
  max-width: 740px;
}

.snapshot-digital {
  max-width: 680px;
}

.snapshot-policy {
  max-width: 520px;
}

.writeup-section + .writeup-section {
  margin-top: 16px;
}

.writeup-section h2 {
  margin: 0 0 8px;
}

.writeup-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.impact-box {
  border: 1px solid #cfe1e7;
  border-radius: 12px;
  background: #f7fbfc;
  padding: 14px;
}

.markdown-page {
  background: var(--panel);
  border: 1px solid rgba(16, 32, 39, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
}

.markdown-page h1,
.markdown-page h2,
.markdown-page h3 {
  font-family: "Fraunces", Georgia, serif;
  line-height: 1.25;
}

.markdown-page h1 {
  margin: 0 0 8px;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
}

.markdown-page h2 {
  margin: 26px 0 10px;
  font-size: 1.35rem;
}

.markdown-page h3 {
  margin: 18px 0 8px;
  font-size: 1.08rem;
}

.markdown-page p {
  margin: 0 0 12px;
  line-height: 1.72;
  color: #20343d;
}

.markdown-page ul {
  margin: 0 0 12px;
  padding-left: 20px;
  line-height: 1.7;
}

.doc-figure {
  margin: 14px 0 18px;
}

.doc-figure img,
.doc-figure video {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.doc-figure img {
  max-height: 520px;
  object-fit: contain;
  background: #ffffff;
}

.doc-figure video {
  height: auto;
  max-height: 540px;
  object-fit: contain;
  background: #0f1f28;
}

.figure-transparent {
  background: #ffffff !important;
  border: 1px solid #d6e1e7 !important;
}

.doc-figure figcaption {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.85rem;
}

.project-meta {
  display: inline-block;
  width: fit-content;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px 8px;
  border-radius: 999px;
  color: #0f4f49;
  background: #d8ecea;
}

.project-desc {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.55;
  color: #29414a;
}

.detail-section + .detail-section {
  margin-top: 18px;
}

.back-link {
  margin-bottom: 12px;
}

.footer {
  width: min(1120px, 92vw);
  margin: 0 auto 36px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 1080px) {
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-photo {
    max-width: 300px;
  }

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

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 4vw;
    right: 4vw;
    display: none;
    flex-direction: column;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 8px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .figure-grid,
  .media-grid,
  .project-grid,
  .writeup-grid {
    grid-template-columns: 1fr;
  }
}