:root {
  --bg: #07131c;
  --bg-2: #0c2230;
  --paper: rgba(8, 23, 34, 0.78);
  --paper-strong: rgba(11, 30, 44, 0.9);
  --ink: #eef5f7;
  --muted: #aec3ca;
  --heading: #f8e8ca;
  --teal: #79d1cb;
  --bronze: #d8a56c;
  --rose: #bc7b68;
  --line: rgba(121, 209, 203, 0.18);
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.34);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Aptos", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(121, 209, 203, 0.18), transparent 24%),
    radial-gradient(circle at 85% 10%, rgba(216, 165, 108, 0.18), transparent 18%),
    radial-gradient(circle at bottom right, rgba(188, 123, 104, 0.14), transparent 22%),
    linear-gradient(180deg, var(--bg) 0%, #081720 45%, var(--bg-2) 100%);
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(121, 209, 203, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(121, 209, 203, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 95%);
  pointer-events: none;
}

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

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

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 30px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 14px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 23, 34, 0.72);
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.18);
}

.brand-mark {
  color: var(--heading);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--teal);
}

.hero,
.panel,
.site-footer {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: start;
  padding: 42px;
  background:
    linear-gradient(135deg, rgba(121, 209, 203, 0.08), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--paper);
}

.hero::before,
.panel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(121, 209, 203, 0.16), transparent 68%);
  pointer-events: none;
}

.hero::after,
.panel::after,
.site-footer::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 165, 108, 0.14), transparent 66%);
  pointer-events: none;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.1;
}

h1 {
  margin: 0;
  font-size: clamp(2.7rem, 5vw, 5rem);
  color: var(--heading);
  text-shadow: 0 0 26px rgba(121, 209, 203, 0.16);
}

.hero-name {
  margin: 10px 0 28px;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-abstract h2 {
  margin: 0 0 16px;
  font-size: clamp(1.6rem, 2vw, 2rem);
}

.hero-abstract p,
.biography-content p {
  margin: 0 0 16px;
}

.hero-photo-card {
  display: flex;
  justify-content: flex-end;
}

.hero-photo {
  width: min(100%, 420px);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid rgba(121, 209, 203, 0.32);
  box-shadow:
    0 22px 60px rgba(0, 0, 0, 0.38),
    0 0 0 1px rgba(216, 165, 108, 0.12);
}

main {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.panel {
  padding: 36px;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 3rem);
  color: var(--heading);
}

.biography-content {
  columns: 2;
  column-gap: 28px;
}

.book-grid,
.service-grid,
.contact-grid {
  display: grid;
  gap: 20px;
}

.book-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.book-card,
.service-card,
.contact-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(121, 209, 203, 0.14);
  background: var(--paper-strong);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

.book-card {
  padding: 14px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.book-card img {
  width: 100%;
  aspect-ratio: 5 / 7;
  object-fit: cover;
  border-radius: 18px;
  margin-bottom: 16px;
}

.book-cover-priority-top {
  object-position: center top;
}

.book-card h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--heading);
}

.book-card:hover {
  transform: translateY(-6px);
  border-color: rgba(216, 165, 108, 0.34);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28);
}

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

.service-card {
  padding: 24px;
}

.service-card h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  color: var(--heading);
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

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

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.contact-card:hover,
.contact-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(216, 165, 108, 0.34);
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.24);
}

.contact-label {
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.78rem;
  font-weight: 700;
}

.contact-card strong {
  font-size: 1.15rem;
}

.site-footer {
  margin-top: 26px;
  padding: 24px;
  display: flex;
  justify-content: center;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(216, 165, 108, 0.1), transparent 40%),
    var(--paper);
}

.footer-brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  max-width: 520px;
}

.footer-logo {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

@media (max-width: 980px) {
  .site-nav {
    flex-direction: column;
    border-radius: 26px;
  }

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

  .hero-photo-card {
    justify-content: center;
    order: -1;
  }

  .hero-photo {
    width: min(100%, 360px);
  }

  .biography-content {
    columns: 1;
  }

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

  .service-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 18px, 100%);
    padding-top: 18px;
  }

  .site-nav {
    padding: 16px;
  }

  .hero,
  .panel {
    padding: 24px;
  }

  .site-footer {
    padding: 22px 18px;
  }

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

  h1 {
    font-size: 2.35rem;
  }
}