:root {
  --ink: #22323f;
  --muted: #4b5560;
  --accent: #75508f;
  --accent-dark: #55376d;
  --card: rgba(255, 255, 255, 0.84);
  --line: rgba(34, 50, 63, 0.16);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Futura, "Trebuchet MS", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(rgba(245, 242, 238, 0.30), rgba(245, 242, 238, 0.30)),
    url("Tweed.jpg") center / cover fixed no-repeat;
}

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.site-title {
  margin: 0 0 18px;
  font-size: clamp(3rem, 7vw, 5.4rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: #203949;
  text-shadow: 0 2px 20px rgba(255,255,255,0.7);
}

.nav {
  margin-bottom: 32px;
}

.nav a {
  display: inline-block;
  margin: 0 22px 10px 0;
  font-size: 1.05rem;
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--accent-dark);
  text-decoration: underline;
}

.card {
  background: var(--card);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.65);
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(20,24,28,0.25);
  padding: clamp(28px, 5vw, 48px);
}

h2 {
  margin: 0 0 24px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  font-weight: 400;
  color: #243847;
}

h3 {
  margin: 42px 0 20px;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 400;
  color: #243847;
}

p,
li {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--ink);
}

p { margin: 0 0 22px; }

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

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

.about {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 44px;
  align-items: start;
}

.profile-photo,
.photo,
.illustration {
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.18);
}

.section-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.section-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.paper-title { font-style: italic; }

.quick-links {
  margin-top: 42px;
  border-top: 1px solid var(--line);
}

.quick-links p {
  margin: 0;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.notice {
  margin-top: 32px;
  padding: 24px 28px;
  border-radius: 14px;
  background: rgba(117, 80, 143, 0.09);
  border: 1px solid rgba(117, 80, 143, 0.12);
}

.notice p { margin: 0; }

.image-grid {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr;
  gap: 28px;
  align-items: center;
  margin-top: 42px;
}

.hobby-layout {
  display: grid;
  grid-template-columns: 300px 1fr 300px;
  gap: 34px;
  align-items: start;
}

.hobby-text { padding-top: 8px; }

@media (max-width: 900px) {
  .hobby-layout { grid-template-columns: 1fr 1fr; }
  .hobby-text { grid-column: 1 / -1; order: -1; }
}

@media (max-width: 760px) {
  body { background-attachment: scroll; }
  .page { padding: 36px 16px 52px; }
  .about,
  .image-grid,
  .hobby-layout { grid-template-columns: 1fr; }
  .profile-photo,
  .photo { max-width: 320px; }
  .hobby-text { order: 0; }
}

/* Teaching page image treatment */
.teaching-images {
  display: grid;
  gap: 24px;
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.teaching-figure {
  margin: 0;
  padding: 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid rgba(255, 255, 255, 0.62);
  box-shadow: 0 10px 28px rgba(20, 24, 28, 0.10);
}

.teaching-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: none;
}

.teaching-figure--small img {
  max-width: 360px;
  margin: 0 auto;
}

.teaching-figure--wide img {
  max-width: 760px;
  margin: 0 auto;
}