:root {
  --bg: #f6f6f3;
  --paper: #fffefa;
  --ink: #171717;
  --muted: #60605c;
  --line: #ded8cd;
  --accent: #294fda;
  --accent-dark: #18379d;
  --soft: #efe8dc;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100dvh;
  margin: 0;
  display: grid;
  place-items: center;
  overflow-x: hidden;
  overflow-y: auto;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.card {
  width: min(1180px, calc(100vw - 40px));
  min-height: min(680px, calc(100dvh - 40px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  grid-template-areas:
    "intro portrait"
    "details details";
  gap: clamp(14px, 2.2vw, 24px) clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(26px, 3.7vw, 46px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 0 24px 80px rgba(23, 23, 23, 0.08);
  overflow: visible;
}

.intro {
  grid-area: intro;
  max-width: 520px;
  transform: translateY(-18px);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 650;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 10ch;
  margin-bottom: 16px;
  font-size: clamp(2.65rem, 4.75vw, 4.1rem);
  line-height: 0.96;
  font-weight: 800;
  letter-spacing: 0;
}

.lead {
  max-width: 38rem;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.24rem);
  line-height: 1.55;
}

.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.intro-links a {
  color: var(--accent);
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(41, 79, 218, 0.25);
  text-underline-offset: 4px;
}

.text-link:hover,
.link-list a:hover,
.intro-links a:hover,
.article-list a:hover {
  color: var(--accent-dark);
}

.portrait {
  grid-area: portrait;
  align-self: end;
  margin: 0;
  height: 372px;
  transform: translate(-34px, -26px);
  position: relative;
  z-index: 2;
}

.portrait img {
  width: min(100%, 346px);
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

.details {
  grid-area: details;
  display: grid;
  gap: 14px;
}

.group {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.32rem, 2vw, 1.76rem);
  line-height: 1.2;
  font-weight: 700;
}

.group p {
  margin-bottom: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.link-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.link-list li {
  display: grid;
  align-content: start;
  gap: 6px;
  min-height: 108px;
  padding: 0 22px;
  border-left: 1px solid var(--line);
}

.link-list li:first-child {
  padding-left: 0;
  border-left: 0;
}

.link-list a,
.text-link {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(41, 79, 218, 0.28);
  text-underline-offset: 4px;
}

.link-list a {
  font-size: 1.02rem;
  line-height: 1.2;
}

.text-link {
  color: var(--accent);
  font-weight: 650;
}

.link-list span {
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.34;
}

.project-more {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.spoiler-link {
  color: var(--muted);
  font-weight: 560;
  font-size: 0.92rem;
  text-decoration: none;
}

.spoiler-link::after {
  content: " ↓";
}

.spoiler-link:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.spoiler-link::after {
  content: " \2193";
}

.spoiler-link::after {
  content: " \2197";
}

.article-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-list a {
  font-weight: 560;
  line-height: 1.25;
  text-decoration: underline;
  text-decoration-color: rgba(41, 79, 218, 0.25);
  text-underline-offset: 4px;
}

.article-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 42px;
}

h3 {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.2;
  font-weight: 600;
}

.talk-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.talk-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  color: var(--ink);
}

.talk-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.talk-card span {
  font-weight: 560;
  line-height: 1.3;
  text-decoration: underline;
  text-decoration-color: rgba(41, 79, 218, 0.25);
  text-underline-offset: 4px;
}

.talk-card:hover span {
  color: var(--accent-dark);
}

.page-body {
  display: block;
  min-height: 100dvh;
  padding: clamp(20px, 4vw, 48px);
}

.page-shell {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: clamp(28px, 4vw, 54px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.88);
  box-shadow: 0 24px 80px rgba(23, 23, 23, 0.08);
}

.page-header {
  display: grid;
  gap: 22px;
  padding-bottom: clamp(28px, 4vw, 42px);
}

.back-link {
  width: fit-content;
  color: var(--muted);
  font-weight: 560;
  text-decoration: underline;
  text-decoration-color: rgba(41, 79, 218, 0.25);
  text-underline-offset: 4px;
}

.back-link:hover,
.skill-actions a:hover {
  color: var(--accent-dark);
}

.page-header h1 {
  max-width: none;
  margin-bottom: 18px;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
}

.page-lead {
  max-width: 44rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.55;
}

.project-section {
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--line);
}

.project-section:last-child {
  padding-bottom: 0;
}

.project-section h2 {
  margin-bottom: 28px;
}

.skill-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

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

.skill-card {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 22px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.skill-card:first-child {
  padding-top: 0;
  border-top: 0;
}

.skill-card img {
  width: 112px;
  aspect-ratio: 1;
  display: block;
  object-fit: contain;
  border-radius: 10px;
}

.skill-card h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 600;
}

.skill-card p {
  margin-bottom: 14px;
  color: var(--muted);
  line-height: 1.45;
}

.skill-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-actions a {
  color: var(--ink);
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid rgba(23, 23, 23, 0.24);
  border-radius: 8px;
  background: transparent;
  font-size: 0.9rem;
  font-weight: 560;
  text-decoration: none;
}

.skill-actions a:hover {
  color: var(--ink);
  border-color: rgba(23, 23, 23, 0.42);
  background: rgba(23, 23, 23, 0.04);
}

@media (max-width: 1040px) {
  .card {
    grid-template-columns: minmax(0, 1fr) minmax(210px, 280px);
    grid-template-areas:
      "intro portrait"
      "details details";
    gap: 24px;
    padding: clamp(28px, 5vw, 42px);
  }

  h1 {
    max-width: 11ch;
    margin-bottom: 18px;
    font-size: clamp(2.8rem, 8vw, 4.7rem);
  }

  .lead {
    margin-bottom: 22px;
  }

  .portrait img {
    width: min(100%, 280px);
  }

  .details {
    display: grid;
  }

  .link-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .talk-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .skill-grid,
  .skill-grid.two-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .skill-card,
  .skill-card:first-child {
    grid-template-columns: 96px minmax(0, 1fr);
    grid-template-rows: none;
    padding: 22px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .skill-card:first-child {
    padding-top: 0;
    border-top: 0;
  }
}

@media (max-width: 760px) {
  body {
    overflow: auto;
    place-items: start center;
    padding: 20px 0;
  }

  .card {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "intro"
      "portrait"
      "details";
  }

  .intro {
    transform: none;
  }

  .portrait {
    justify-self: center;
    height: auto;
    transform: none;
  }

  .portrait img {
    width: min(72vw, 300px);
  }

  .link-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .talk-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .link-list li {
    min-height: auto;
    padding: 12px 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .link-list li:first-child {
    padding-top: 0;
    border-top: 0;
  }

  .page-body {
    padding: 12px;
  }

  .page-shell {
    padding: 24px;
    border-radius: 14px;
  }

  .skill-card,
  .skill-card:first-child {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .card {
    width: min(100% - 24px, 460px);
    padding: 24px;
    border-radius: 14px;
  }

  .intro-links {
    display: grid;
    gap: 8px;
  }
}