:root {
  --color-bg: #fbf2d2;
  --color-surface: #ffffff;
  --color-text: #233142;
  --color-muted: #627084;
  --color-primary: #003366;
  --color-primary-dark: #00264d;
  --color-accent: #00688b;
  --color-alert: #b3261e;
  --color-border: #d9dee7;
  --shadow-soft: 0 24px 70px rgba(0, 34, 68, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max-width: 1080px;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(0, 104, 139, 0.16), transparent 32rem),
    linear-gradient(180deg, #ffffff 0%, var(--color-bg) 100%);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 10;
  padding: 0.65rem 0.9rem;
  color: #ffffff;
  background: var(--color-primary);
  border-radius: 999px;
  transform: translateY(-140%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 2rem auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.site-header strong {
  color: var(--color-alert, #b3261e);
}

.brand h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.eyebrow,
.section-label {
  margin: 0 0 0.45rem;
  color: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-label strong {
	color: var(--color-alert, #b3261e);
}

.eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.hu-logo {
  width: clamp(72px, 16vw, 200px);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 50%;
  display: block;
  background: transparent;
}

.hu-logo img {
  width: 190px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--color-surface);
  border-inline: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 0;
  padding: 0.85rem;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.45rem 0.9rem;
  color: var(--color-primary);
  font-weight: 700;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.active {
  color: #ffffff;
  background: var(--color-primary);
  text-decoration: none;
}

.content-card {
  padding: clamp(1.25rem, 4vw, 3rem);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--color-border);
  border-top: 0;
  box-shadow: var(--shadow-soft);
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(100px, 160px) 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.portrait {
  margin: 0 0 2rem 0;
}

.portrait img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: 0 18px 45px rgba(0, 34, 68, 0.18);
}

.banner-image {
  width: 100%;
  height: clamp(100px, 10vw, 200px);
  overflow: hidden;
}

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


.banner-large-image {
  width: 100%;
  height: clamp(300px, 30vw, 600px);
  overflow: hidden;
}

.banner-large-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.intro-copy h2,
.event-summary h2,
.lecture-card h2 {
  margin: 0 0 0.75rem;
  color: var(--color-primary);
  line-height: 1.18;
}

.intro-copy p {
  margin: 0 0 1rem;
  text-align: left;
}

.event-summary {
  margin: clamp(1.25rem, 3vw, 2rem) 0;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  text-align: center;
  background: #f7f9fc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.event-summary .section-label,
.lecture-card .section-label {
  color: var(--color-accent);
}

.event-summary h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.event-time {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  font-weight: 700;
}

.event-summary p {
  margin: 0.25rem 0;
}

.lecture-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1rem;
}

.lecture-card {
  min-height: 100%;
  margin: clamp(2rem, 5vw, 3.5rem) 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.primary-lecture {
  border-top: 6px solid var(--color-accent);
}

.secondary-lecture {
  border-top: 6px solid var(--color-primary);
}

.lecture-card h2 {
  font-size: clamp(1.45rem, 3vw, 2.25rem);
}

.speaker {
  margin-top: 1.25rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.registration-notice {
  margin: clamp(2rem, 5vw, 3.5rem) 0;
  padding: 1.1rem 1.25rem;
  color: var(--color-primary-dark);
  background: #fff7ed;
  border: 1px solid #ffd9aa;
  border-left: 6px solid var(--color-alert);
  border-radius: var(--radius-md);
  text-align: center;
}

.registration-notice strong {
  color: var(--color-alert);
}

.partners {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.25rem 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-border);
}

.partners a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 4.5rem;
  padding: 0.75rem 1rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.partners img {
  max-height: 3.5rem;
  width: auto;
}

.site-footer {
  display: flex;
  justify-content: flex-end;
  padding: 1rem 1.5rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100% - 1rem, var(--max-width));
    margin: 0.5rem auto;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 1.35rem;
    border-radius: 20px 20px 0 0;
  }

  .hu-logo img {
    width: 150px;
  }

  .site-nav {
    position: static;
  }

  .site-nav ul {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .site-nav a {
    white-space: nowrap;
  }

  .intro-section,
  .lecture-grid {
    grid-template-columns: 1fr;
  }

  .portrait img {
    margin: 0 0 2rem 0;
    max-height: 460px;
    object-fit: cover;
  }

  .site-footer {
    justify-content: center;
  }
}

/* Shared interior page patterns */
.page-header {
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-header strong {
  color: var(--color-alert, #b3261e);
}

.page-header h2 {
  margin: 0 0 0.5rem;
  color: var(--color-primary);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0;
  max-width: 760px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.section-card {
  margin: 1.25rem 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.section-card h3,
.section-card h2 {
  margin-top: 0;
  color: var(--color-primary);
  line-height: 1.2;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
}

.data-table th,
.data-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  color: #ffffff;
  background: var(--color-primary);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.data-table td:first-child {
  width: 9rem;
  color: var(--color-primary-dark);
  font-weight: 700;
  white-space: nowrap;
}

.abstract-title {
  margin-bottom: 0.25rem;
  font-size: 1.35rem;
}

.byline {
  margin-top: 0;
  color: var(--color-muted);
  font-weight: 700;
}

.prose p {
  max-width: 78ch;
}

.location-grid {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: clamp(1.25rem, 4vw, 2.5rem);
  align-items: start;
}

.location-map img {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 34px rgba(0, 34, 68, 0.12);
}

.address-card {
  padding: 1.25rem;
  background: #f7f9fc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.address-card address {
  font-style: normal;
}

.registration-form {
  max-width: 640px;
}

.registration-form fieldset {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.form-row label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-primary-dark);
  font-weight: 700;
}

.form-row input {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.65rem 0.8rem;
  color: var(--color-text);
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font: inherit;
}

.form-row input:focus {
  outline: 3px solid rgba(0, 104, 139, 0.2);
  border-color: var(--color-accent);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.button,
button,
input[type="submit"],
input[type="reset"] {
  min-height: 2.9rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

input[type="submit"] {
  color: #ffffff;
  background: var(--color-primary);
}

input[type="reset"] {
  color: var(--color-primary);
  background: #ffffff;
}

input[type="submit"]:hover,
input[type="submit"]:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

input[type="reset"]:hover,
input[type="reset"]:focus-visible {
  color: #ffffff;
  background: var(--color-primary);
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.link-grid a,
.resource-list a {
  display: block;
  padding: 0.75rem 0.9rem;
  background: #f7f9fc;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  font-weight: 700;
}

.resource-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.resource-list li {
  margin: 0;
}

.bistro-list a {
  font-weight: 700;
}

.bistro-list li {
  margin: 0;
}


@media (max-width: 760px) {
  .location-grid {
    grid-template-columns: 1fr;
  }

  .data-table th,
  .data-table td {
    padding: 0.75rem;
  }
}