:root {
  --navy: #051e39;
  --navy-soft: #0c3156;
  --gold: #b39051;
  --dark-gold: #8f713d;
  --paper: #f7f5f0;
  --white: #ffffff;
  --ink: #17212b;
  --muted: #5f6973;
  --line: #d9d5ca;
  --sky: #dcebf4;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --shell: 73.75rem;
  --radius-sm: 0.75rem;
  --radius-md: 1.125rem;
  --radius-lg: 1.75rem;
  --shadow: 0 1.25rem 3.75rem rgba(5, 30, 57, 0.09);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--navy-soft);
}

:focus-visible {
  outline: 0.2rem solid var(--dark-gold);
  outline-offset: 0.25rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  transform: translateY(-160%);
  border-radius: 0.5rem;
  background: var(--white);
  color: var(--navy);
  font-weight: 700;
}

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

.shell {
  width: min(calc(100% - 2.5rem), var(--shell));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(5, 30, 57, 0.09);
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--navy);
  font-weight: 800;
  text-decoration: none;
}

.brand:hover {
  color: var(--navy);
}

.brand-name {
  font-size: 0.92rem;
  letter-spacing: 0.005em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2rem);
}

.desktop-nav a {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.desktop-nav a:hover {
  color: var(--navy-soft);
}

.desktop-nav .nav-cta {
  padding-inline: 1.1rem;
  border: 1px solid var(--navy);
  border-radius: 999px;
}

.desktop-nav .nav-cta:hover {
  background: var(--navy);
  color: var(--white);
}

.mobile-nav {
  display: none;
  position: relative;
}

.mobile-nav summary {
  min-height: 2.75rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--navy);
  border-radius: 999px;
  color: var(--navy);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 750;
  list-style: none;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav[open] nav {
  position: absolute;
  top: calc(100% + 0.7rem);
  right: 0;
  display: grid;
  width: min(17rem, calc(100vw - 2.5rem));
  padding: 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  box-shadow: var(--shadow);
}

.mobile-nav nav a {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.55rem 0.75rem;
  border-radius: 0.5rem;
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
}

.mobile-nav nav a:hover {
  background: var(--paper);
}

.hero {
  background:
    radial-gradient(circle at 14% 0%, rgba(179, 144, 81, 0.2), transparent 29rem),
    var(--paper);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 0.9fr);
  align-items: center;
  gap: clamp(2.5rem, 5vw, 5rem);
  padding-block: clamp(3.75rem, 6vw, 6rem);
}

.eyebrow {
  margin: 0 0 1.1rem;
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--navy);
  font-family: var(--serif);
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  max-width: 15ch;
  margin-bottom: 1.3rem;
  font-size: clamp(2.75rem, 4.15vw, 4.1rem);
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.1rem, 3.8vw, 3.5rem);
  letter-spacing: -0.045em;
}

h3 {
  font-size: clamp(1.25rem, 1.4vw, 1.55rem);
  letter-spacing: -0.025em;
}

.title-number {
  color: var(--dark-gold);
  font-style: italic;
  font-weight: 400;
}

.hero-lead {
  max-width: 42rem;
  margin: 0;
  color: #344454;
  font-size: clamp(1.05rem, 1.25vw, 1.25rem);
  line-height: 1.55;
}

.event-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.65rem 0 0;
  padding-block: 1rem;
  border-block: 1px solid var(--line);
}

.event-details div {
  min-width: 0;
}

.event-details dt,
.event-details dd {
  margin: 0;
}

.event-details dt {
  margin-bottom: 0.2rem;
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.event-details dd {
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.4;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.65rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.3rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button--primary {
  background: var(--navy);
  color: var(--white);
}

.button--primary:hover {
  background: var(--navy-soft);
  color: var(--white);
  transform: translateY(-2px);
}

.button--secondary {
  border-color: rgba(5, 30, 57, 0.35);
  background: rgba(255, 255, 255, 0.45);
  color: var(--navy);
}

.button--secondary:hover {
  border-color: var(--navy);
  background: var(--white);
  color: var(--navy);
  transform: translateY(-2px);
}

.button--full {
  width: 100%;
}

.reg-status {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0.8rem 1.3rem;
  border: 1px dashed #cbc6bb;
  border-radius: 999px;
  background: rgba(233, 229, 220, 0.55);
  color: #5c5a54;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
}

.reg-status--block {
  display: flex;
  width: 100%;
}

.hero-image {
  margin: 0;
}

.hero-image img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 1rem 2.5rem rgba(5, 30, 57, 0.1);
}

.hero-image figcaption {
  margin-top: 0.65rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.section {
  padding-block: clamp(4.5rem, 7vw, 7rem);
}

.section-heading {
  max-width: 46rem;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-heading p:last-child {
  max-width: 40rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.organizers-section {
  background: var(--paper);
}

.organizer-shell .section-heading {
  margin-bottom: 2.25rem;
}

.organizer-list {
  display: grid;
  max-width: 58rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(2rem, 5vw, 4rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.organizer-item {
  padding-block: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.organizer-item h3,
.organizer-item p {
  margin: 0;
}

.organizer-item h3 {
  font-size: 1.2rem;
}

.organizer-item h3 a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  text-decoration: none;
}

.organizer-item h3 span {
  color: var(--dark-gold);
  font-family: var(--sans);
  font-size: 0.72em;
}

.organizer-item p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.about-section {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(28rem, 1.05fr);
  align-items: start;
  gap: clamp(3rem, 8vw, 8rem);
}

.about-copy > p:last-child {
  max-width: 42rem;
  margin-bottom: 0;
  color: #344454;
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
}

.highlight-list {
  border-top: 1px solid var(--line);
}

.highlight {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 1.25rem;
  padding-block: 1.65rem;
  border-bottom: 1px solid var(--line);
}

.highlight h3,
.highlight p {
  margin-bottom: 0;
}

.highlight p {
  margin-top: 0.5rem;
  color: var(--muted);
}

.highlight-number {
  color: var(--dark-gold);
  font-family: var(--serif);
  font-style: italic;
}

.schedule-section {
  background:
    radial-gradient(circle at 88% 4%, rgba(179, 144, 81, 0.25), transparent 22rem),
    var(--navy);
  color: var(--white);
}

.section-heading--light h2,
.section-heading--light p:last-child {
  color: var(--white);
}

.section-heading--light p:last-child {
  opacity: 0.75;
}

.schedule-section .eyebrow {
  color: #d8bd8b;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.6vw, 2rem);
}

.day-card {
  min-height: 18rem;
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.07);
}

.day-label {
  margin: 0 0 2.4rem;
  color: #d8bd8b;
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.day-card h3 {
  margin-bottom: 2rem;
  color: var(--white);
  font-size: clamp(1.6rem, 2.8vw, 2.35rem);
}

.schedule-placeholder {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding-top: 1.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.7);
}

.schedule-placeholder span {
  color: var(--gold);
  font-size: 1.25rem;
}

.schedule-placeholder p {
  margin: 0;
}

.schedule-placeholder strong {
  color: var(--white);
}

.logistics-section {
  background: var(--white);
}

.logistics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.6vw, 2rem);
}

.logistics-card {
  min-width: 0;
  padding: clamp(1.75rem, 4vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
}

.logistics-card h2 {
  font-size: clamp(2.15rem, 3.8vw, 3.35rem);
}

.logistics-card > p:not(.eyebrow):not(.logistics-primary):not(.contact-line) {
  color: var(--muted);
}

.logistics-primary {
  max-width: 30rem;
  color: var(--navy);
  font-size: clamp(1.15rem, 1.5vw, 1.35rem);
  font-weight: 750;
}

.registration-card {
  border-color: var(--navy);
  background: var(--sky);
}

.text-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  color: var(--navy);
  font-weight: 800;
}

.contact-line {
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.contact-line a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--navy);
  font-weight: 750;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.site-footer {
  padding-block: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--navy);
  color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem 2rem;
  font-size: 0.82rem;
}

.footer-inner p {
  margin: 0;
}

.site-footer a {
  color: var(--white);
}

.site-footer a:hover {
  color: var(--gold);
}

@media (max-width: 64rem) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 52rem;
  }

  .hero-image {
    width: min(100%, 42rem);
  }

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

  .about-copy {
    max-width: 48rem;
  }
}

@media (max-width: 51rem) {
  html {
    scroll-padding-top: 1rem;
  }

  .site-header {
    position: relative;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .schedule-grid,
  .logistics-grid,
  .organizer-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 37.5rem) {
  .shell {
    width: min(calc(100% - 1.5rem), var(--shell));
  }

  .header-inner {
    gap: 0.75rem;
  }

  .brand-name {
    max-width: 14rem;
    font-size: 0.82rem;
    line-height: 1.2;
  }

  .hero-grid {
    gap: 2.5rem;
    padding-block: 3.25rem;
  }

  h1 {
    font-size: clamp(2.35rem, 10.5vw, 3.25rem);
  }

  .event-details {
    grid-template-columns: 1fr;
    gap: 0;
    padding-block: 0.35rem;
  }

  .event-details div {
    display: grid;
    grid-template-columns: 4.75rem minmax(0, 1fr);
    gap: 0.75rem;
    padding-block: 0.55rem;
  }

  .event-details dt {
    margin: 0;
  }

  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button-row .button {
    width: 100%;
  }

  .section {
    padding-block: 4rem;
  }

  .highlight {
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: 0.75rem;
  }

  .day-card {
    min-height: 15rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .button-row,
  .hero-image {
    display: none;
  }

  .section,
  .hero-grid {
    padding-block: 2rem;
  }

  .schedule-section,
  .site-footer {
    background: var(--white);
    color: var(--ink);
  }

  .section-heading--light h2,
  .section-heading--light p:last-child,
  .day-label,
  .day-card h3,
  .schedule-placeholder,
  .schedule-placeholder strong {
    color: var(--ink);
  }

  .day-card {
    border-color: var(--ink);
    background: var(--white);
  }
}