:root {
  --ink: #153348;
  --ink-deep: #0c2538;
  --paper: #ffffff;
  --paper-warm: #ffffff;
  --white: #ffffff;
  --teal: #1c746d;
  --mint: #a8d8c8;
  --gold: #e8b65b;
  --coral: #d86b55;
  --line: rgba(21, 51, 72, 0.16);
  --shadow: 0 24px 70px rgba(12, 37, 56, 0.12);
  --sans: "DM Sans", system-ui, sans-serif;
  --serif: "Newsreader", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.65;
}

a {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 5vw;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(12, 37, 56, 0.06);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 37px;
  height: 37px;
  color: var(--white);
  background: var(--ink-deep);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 17px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
}

.site-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  padding: 8px;
  background: none;
  border: 0;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: auto;
  padding: clamp(64px, 8vw, 105px) 7vw clamp(70px, 8vw, 110px);
  overflow: hidden;
  background: #ffffff;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100%, 1160px);
  margin: 0 auto;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--ink-deep);
  font-family: var(--serif);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

h1 {
  max-width: none;
  font-size: clamp(34px, 6.2vw, 92px);
}

h1 em {
  color: inherit;
  font-weight: 500;
}

.title-line {
  display: block;
  white-space: nowrap;
}

h2 {
  font-size: clamp(39px, 4.6vw, 68px);
  line-height: 1.04;
}

h3 {
  color: var(--ink-deep);
}

.hero-subtitle {
  max-width: 760px;
  margin: 30px 0;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
}

.hero-instructors {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 42px;
  margin: 34px 0 30px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-instructor {
  display: grid;
  grid-template-columns: 68px auto;
  gap: 14px;
  align-items: center;
  min-width: 245px;
  text-decoration: none;
}

.hero-instructor img {
  width: 68px;
  height: 68px;
  border: 1px solid var(--line);
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  transition: transform 180ms ease;
}

.hero-instructor:hover img {
  transform: scale(1.04);
}

.hero-instructor span {
  display: flex;
  flex-direction: column;
}

.hero-instructor strong {
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.2;
}

.hero-instructor small {
  margin-top: 3px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 700;
}

.event-details {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 44px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.event-details div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-label {
  color: var(--teal);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--ink-deep);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(12, 37, 56, 0.12);
}

.button-primary {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.button-secondary:hover {
  background: var(--white);
}

.hero-card {
  min-height: 440px;
  padding: 45px 34px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink-deep);
  border-radius: 3px 56px 3px 3px;
  box-shadow: var(--shadow);
  text-align: center;
}

.card-grid {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(21, 51, 72, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 51, 72, .5) 1px, transparent 1px);
  background-size: 36px 36px;
}

.hero-card > *:not(.card-grid) {
  position: relative;
}

.hero-card p {
  margin: 0 0 28px;
  color: var(--mint);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.pipeline,
.outcomes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.pipeline span,
.outcomes span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
}

.pipeline-arrow {
  margin: 22px 0;
  color: var(--gold);
  font-size: 24px;
}

.model-chip {
  display: inline-grid;
  place-items: center;
  width: 155px;
  height: 155px;
  color: var(--ink-deep);
  background: var(--mint);
  border: 12px solid rgba(168, 216, 200, 0.22);
  border-radius: 50%;
  background-clip: padding-box;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 600;
}

.outcomes span {
  color: var(--ink-deep);
  background: var(--gold);
  border: 0;
  font-weight: 700;
}

.section {
  padding: clamp(80px, 10vw, 140px) 7vw;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.45fr) minmax(0, 1.55fr);
  gap: 30px;
  align-items: start;
}

.section-heading.compact {
  display: block;
  max-width: 820px;
  margin-bottom: 48px;
}

.section-heading.compact > p:last-child {
  max-width: 640px;
  margin-top: 22px;
  font-size: 18px;
}

.section-about {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: clamp(50px, 8vw, 120px);
  background: var(--white);
}

.section-about .section-heading {
  display: block;
}

.about-copy {
  padding-top: 42px;
}

.about-copy p {
  margin-top: 0;
}

.about-copy .lead {
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: clamp(23px, 2.4vw, 32px);
  line-height: 1.35;
}

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

.learning-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.learning-card {
  min-height: 300px;
  padding: 30px;
  background: var(--paper);
}

.card-number {
  color: var(--coral);
  font-family: var(--serif);
  font-size: 17px;
}

.learning-card h3 {
  margin: 74px 0 12px;
  font-family: var(--serif);
  font-size: 32px;
}

.learning-card p {
  margin: 0;
}

.schedule-section {
  background: var(--white);
  padding-top: clamp(64px, 7vw, 92px);
  padding-bottom: clamp(64px, 7vw, 92px);
}

.schedule-section .section-heading.compact {
  margin-bottom: 30px;
}

.schedule-section h2 {
  font-size: clamp(36px, 4vw, 54px);
}

.schedule-table-wrap {
  overflow-x: auto;
}

.schedule-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.schedule-table th,
.schedule-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.schedule-table th {
  color: var(--ink-deep);
  border-bottom: 2px solid rgba(21, 51, 72, 0.45);
  font-size: 13px;
  font-weight: 600;
}

.schedule-table th:first-child,
.schedule-table td:first-child {
  width: 22%;
  white-space: nowrap;
}

.schedule-table .break-row {
  color: rgba(21, 51, 72, 0.65);
  font-style: italic;
}

.prepare-section {
  color: var(--ink);
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.prepare-section h2 {
  color: var(--ink-deep);
}

.prepare-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(50px, 8vw, 120px);
}

.prepare-panel > div > p:last-child {
  max-width: 560px;
  margin-top: 28px;
  color: var(--ink);
  font-size: 18px;
}

.checklist {
  align-self: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
}

.checklist span {
  display: grid;
  place-items: center;
  flex: 0 0 28px;
  height: 28px;
  color: var(--ink-deep);
  background: var(--mint);
  border-radius: 50%;
  font-weight: 700;
}

.audience-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 70px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.audience-strip strong {
  margin-right: 15px;
  color: var(--gold);
}

.audience-strip span {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
}

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

.instructor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.instructor-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px 28px 3px 3px;
}

.avatar {
  display: block;
  width: 86px;
  height: 86px;
  margin-bottom: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  object-fit: cover;
  object-position: center top;
}

.instructor-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 30px;
}

.instructor-card .role {
  min-height: 48px;
  margin: 5px 0 18px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}

.instructor-card a {
  color: var(--coral);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

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

.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.material-card {
  display: flex;
  flex-direction: column;
  min-height: 330px;
  padding: 30px;
  border: 1px solid var(--line);
}

.material-card > .material-icon {
  color: var(--coral);
  font-family: var(--serif);
  font-size: 30px;
}

.material-card h3 {
  margin: 48px 0 22px;
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.25;
}

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

.resource-links li + li {
  border-top: 1px solid var(--line);
}

.resource-links a {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  color: var(--ink-deep);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
}

.resource-links a:hover span,
.resource-links a:focus-visible span {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.resource-links small {
  flex: 0 0 auto;
  color: var(--teal);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reading-list {
  margin-top: 72px;
  padding-top: 52px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.reading-list-heading {
  display: grid;
  grid-template-columns: minmax(160px, 0.35fr) minmax(0, 1.65fr);
  gap: 28px;
  align-items: baseline;
}

.reading-list-heading h3 {
  margin: 0;
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1;
}

.reading-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: papers;
}

.reading-items li {
  position: relative;
  min-height: 150px;
  padding: 24px 0 24px 52px;
  border-top: 1px solid var(--line);
  counter-increment: papers;
}

.reading-items li::before {
  position: absolute;
  top: 24px;
  left: 0;
  color: var(--coral);
  content: counter(papers, decimal-leading-zero);
  font-family: var(--serif);
  font-size: 18px;
}

.reading-items a {
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
}

.reading-items a:hover,
.reading-items a:focus-visible {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.reading-items p {
  margin: 0;
  margin-top: 10px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
}

.acknowledgement {
  padding-top: 42px;
  padding-bottom: 42px;
  background: var(--paper-warm);
}

.acknowledgement p {
  max-width: 900px;
  margin: 0 auto;
  font-size: 13px;
  text-align: center;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 52px 7vw;
  color: var(--ink);
  background: var(--white);
  border-top: 1px solid var(--line);
}

footer p {
  margin: 5px 0 0;
  color: var(--ink);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links a {
  color: var(--mint);
  font-size: 13px;
  font-weight: 700;
}

@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-card {
    width: min(100%, 520px);
    min-height: auto;
  }

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

  .about-copy {
    max-width: 760px;
    padding-top: 0;
  }

  .learning-grid,
  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .instructor-card {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 28px;
  }

  .instructor-card .avatar {
    margin: 0;
  }

  .instructor-card .role {
    min-height: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 64px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 14px 5vw 22px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    padding: 10px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 75px;
  }

  h1 {
    font-size: clamp(49px, 14vw, 74px);
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .prepare-panel {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .reading-list-heading,
  .reading-items {
    grid-template-columns: 1fr;
  }

  .reading-list-heading {
    gap: 4px;
  }

  .reading-items {
    margin-top: 30px;
  }

  .timeline time {
    padding-top: 0;
  }

  .instructor-card {
    display: block;
  }

  .instructor-card .avatar {
    margin-bottom: 24px;
  }

  footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand span:last-child {
    font-size: 13px;
  }

  .event-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  h1 {
    font-size: clamp(32px, 9vw, 43px);
  }

  .title-line {
    white-space: normal;
  }

  .hero-card {
    padding: 36px 20px;
  }

  .learning-grid,
  .materials-grid {
    grid-template-columns: 1fr;
  }

  .learning-card {
    min-height: 230px;
  }

  .learning-card h3 {
    margin-top: 40px;
  }
}

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

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