:root {
  --bg: #edf4fa;
  --panel: rgba(255, 255, 255, 0.7);
  --panel-strong: #f8fbff;
  --navy-900: #071a2d;
  --navy-700: #143c5c;
  --teal-500: #4f8da3;
  --gold-500: #e8b15e;
  --text: #1a2332;
  --muted: #53657a;
  --line: rgba(20, 60, 92, 0.18);
  --shadow: 0 18px 45px rgba(7, 26, 45, 0.12);
  --radius: 22px;
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: linear-gradient(180deg, #edf4fa 0%, #f8fbff 100%);
  color: var(--text);
  line-height: 1.7;
}

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

p,
ul,
ol {
  margin-top: 0;
}

a {
  color: var(--navy-700);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid rgba(232, 177, 94, 0.8);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--navy-900);
  color: white;
  padding: 0.8rem 1rem;
  border-radius: 12px;
}

.container {
  width: min(var(--content-width), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(7, 26, 45, 0.96), rgba(20, 60, 92, 0.96));
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../saoph/style/logo-saoph.jpg") center center / cover no-repeat;
  opacity: 0.22;
  filter: grayscale(100%) contrast(1.35) brightness(1.45);
}

.header-inner,
.main-nav .nav-wrap {
  position: relative;
  z-index: 1;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.header-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.brand img {
  width: 120px;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25);
  background: rgba(255, 255, 255, 0.96);
  padding: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.brand-copy {
  min-width: 0;
}

.eyebrow {
  display: block;
  margin-bottom: 0.2rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-copy h1 {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  line-height: 1.2;
}

.header-link {
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  white-space: nowrap;
}

.header-link:hover,
.header-link:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

.main-nav {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.nav-wrap {
  position: relative;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0.6rem 0;
}

.nav-list a {
  color: #edf7ff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  font-size: 0.94rem;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: rgba(232, 177, 94, 0.12);
  text-decoration: none;
}

.nav-toggle {
  display: none;
}

main {
  padding: 2rem 0 4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr;
  gap: 1.4rem;
  padding-top: 1.25rem;
}

.hero-copy,
.hero-panel,
.info-card,
.topic-card,
.publication-card,
.contact-card,
.text-panel {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 2vw, 3rem);
  background: linear-gradient(135deg, rgba(7, 26, 45, 0.98), rgba(20, 60, 92, 0.96));
  color: white;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(232, 177, 94, 0.22), transparent 24%),
    radial-gradient(circle at 78% 72%, rgba(79, 141, 163, 0.26), transparent 28%);
  pointer-events: none;
}

.hero-copy > * {
  position: relative;
  z-index: 1;
}

.eyebrow-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  background: rgba(232, 177, 94, 0.12);
  border: 1px solid rgba(232, 177, 94, 0.35);
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: #f8dca2;
  text-transform: uppercase;
}

.hero-copy h2 {
  margin: 1rem 0 1rem;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.hero-copy p {
  max-width: 62ch;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  text-decoration: none;
}

.button.primary {
  background: var(--gold-500);
  color: var(--navy-900);
  box-shadow: 0 12px 22px rgba(232, 177, 94, 0.22);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
}

.hero-panel {
  padding: 1.5rem;
  background: linear-gradient(180deg, #f6fbff, #edf5fb);
}

.stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.stats li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: center;
  background: rgba(20, 60, 92, 0.04);
  border: 1px solid rgba(20, 60, 92, 0.08);
  border-radius: 16px;
  padding: 0.9rem 0.8rem;
}

.stat-number {
  width: 3.2rem;
  height: 3.2rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--navy-700), var(--teal-500));
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
}

.stats strong {
  display: block;
  color: var(--navy-900);
  margin-bottom: 0.15rem;
}

.stats strong a {
  color: inherit;
}

.stats span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section-block {
  margin-top: 2rem;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.section-dot {
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-500), var(--teal-500));
  box-shadow: 0 0 0 6px rgba(232, 177, 94, 0.12);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 2.15rem);
  color: var(--navy-900);
}

.card-grid {
  display: grid;
  gap: 1.25rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.feature-card {
  display: block;
  background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(234,242,248,0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.4rem 1.3rem;
  color: var(--text);
  transition: transform 180ms ease;
}

.feature-card:hover,
.feature-card:focus-visible {
  transform: translateY(-2px);
  text-decoration: none;
}

.feature-kicker {
  display: inline-block;
  margin-bottom: 0.6rem;
  color: var(--navy-700);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  color: var(--navy-900);
}

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

.image-gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.image-card {
  grid-column: span 4;
  position: relative;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.image-card.tall {
  grid-column: span 5;
}

.image-card.wide {
  grid-column: span 7;
}

.image-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.image-card.tall img {
  height: 340px;
}

.image-card.wide img {
  height: 280px;
}

.image-card figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.8rem 1rem;
  background: linear-gradient(180deg, transparent, rgba(7, 26, 45, 0.78));
  color: white;
  font-weight: 600;
}

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

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

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

.info-card,
.topic-card,
.publication-card,
.contact-card {
  padding: 1.5rem;
}

.info-card h3,
.topic-card h3,
.publication-card h3,
.contact-card h3 {
  margin: 0 0 0.8rem;
  color: var(--navy-900);
  font-size: 1.2rem;
}

.info-card p,
.topic-card p,
.publication-card p,
.contact-card p,
.text-panel p,
.list-block li,
.supporting-text {
  margin: 0;
  color: var(--muted);
}

.list-block {
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.5rem;
}

.list-block ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.7rem;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.lab-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.8), rgba(234,242,248,0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  border-left: 4px solid var(--gold-500);
}

.lab-card h3 {
  margin: 0 0 0.8rem;
  color: var(--navy-900);
  font-size: 1.15rem;
}

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

.leadership-block {
  background: linear-gradient(180deg, rgba(255,255,255,0.8), rgba(234,242,248,0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.5rem;
  margin-bottom: 1.25rem;
  border-left: 4px solid var(--gold-500);
}

.leadership-block h3 {
  margin: 0 0 0.6rem;
  color: var(--navy-900);
  font-size: 1.1rem;
}

.leadership-block p {
  margin: 0;
  color: var(--muted);
}

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

.staff-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.staff-card h3 {
  margin: 0 0 0.8rem;
  color: var(--navy-900);
  font-size: 1.1rem;
}

.staff-photo-wrap {
  overflow: hidden;
  border-radius: 16px;
  margin-bottom: 1rem;
  border: 1px solid rgba(20, 60, 92, 0.12);
  background: linear-gradient(180deg, #edf6ff, #dfeaf7);
}

.staff-photo-wrap img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  filter: saturate(0.9) contrast(1.08) brightness(1.02);
  transform: scale(1.01);
}

.staff-card table {
  width: 100%;
  border-collapse: collapse;
}

.staff-card td {
  padding: 0.45rem 0;
  vertical-align: top;
  border-bottom: 1px solid rgba(20, 60, 92, 0.08);
  color: var(--muted);
}

.staff-card td:first-child {
  width: 52%;
  padding-right: 0.8rem;
  color: var(--text);
}

.staff-card td:last-child {
  width: 48%;
  text-align: left;
}

.staff-card tr:last-child td {
  border-bottom: none;
}

.staff-card p {
  margin: 0 0 0.55rem;
  color: var(--muted);
}

.compact-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.6rem;
  color: var(--muted);
}

.search-form {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

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

.search-grid label {
  display: grid;
  gap: 0.45rem;
  color: var(--navy-900);
  font-weight: 600;
}

.search-grid input,
.search-grid select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(20, 60, 92, 0.2);
  background: white;
  color: var(--text);
  font: inherit;
}

.search-actions {
  display: flex;
  align-items: end;
  gap: 0.8rem;
}

.search-actions button,
.search-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  font-weight: 600;
}

.search-actions button {
  border: none;
  background: var(--navy-700);
  color: white;
  cursor: pointer;
}

.search-actions a {
  background: rgba(20, 60, 92, 0.06);
  border: 1px solid rgba(20, 60, 92, 0.14);
  color: var(--navy-900);
  text-decoration: none;
}

.result-summary {
  margin-bottom: 1rem;
  color: var(--muted);
  font-weight: 600;
}

.results-list {
  display: grid;
  gap: 1rem;
}

.result-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.35rem;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 0.6rem;
}

.badge {
  display: inline-block;
  background: rgba(79, 141, 163, 0.12);
  color: var(--navy-700);
  border: 1px solid rgba(79, 141, 163, 0.25);
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.year {
  color: var(--muted);
  font-weight: 700;
}

.result-card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy-900);
  font-size: 1.15rem;
  line-height: 1.4;
}

.authors {
  margin: 0 0 0.35rem;
  color: var(--text);
  font-weight: 600;
}

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

.empty-state {
  padding: 1rem 1.2rem;
  background: rgba(232, 177, 94, 0.08);
  border: 1px solid rgba(232, 177, 94, 0.2);
  border-radius: 14px;
  color: var(--navy-700);
}

.publication-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.text-panel {
  padding: 1.5rem;
}

.text-panel p + p {
  margin-top: 1rem;
}

.supporting-text {
  margin-top: 1rem;
  max-width: 72ch;
}

.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 2rem;
}

.footer-inner {
  width: min(var(--content-width), calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0;
}

.site-footer a {
  color: white;
}

@media (max-width: 980px) {
  .hero,
  .three-up,
  .four-up,
  .two-up,
  .lab-grid,
  .staff-grid,
  .publication-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .image-card,
  .image-card.tall,
  .image-card.wide {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .image-card,
  .image-card.tall,
  .image-card.wide {
    grid-column: span 12;
  }

  .image-card img,
  .image-card.tall img,
  .image-card.wide img {
    height: 220px;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .brand {
    width: 100%;
  }

  .nav-toggle {
    display: inline-flex;
    width: 100%;
    margin: 0.5rem 0 0.25rem;
    padding: 0.7rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: white;
    font-weight: 600;
    cursor: pointer;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 0.75rem;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}