:root {
  --ink: #18152b;
  --ink-soft: #514e63;
  --paper: #f8f8f4;
  --white: #ffffff;
  --purple-950: #17113d;
  --purple-900: #24105f;
  --purple-800: #3217bf;
  --purple-600: #6043f4;
  --purple-200: #d9d3ff;
  --mint: #baffde;
  --mint-strong: #66ddc1;
  --sky: #a9e8ff;
  --line: rgba(24, 21, 43, 0.18);
  --container: 1240px;
  --header-height: 90px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid #ffda65;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  color: var(--purple-950);
  background: var(--mint);
  font-weight: 800;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 112px 0;
}

.section-heading {
  margin-bottom: 64px;
}

.section-heading h2,
.location-copy h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -0.06em;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: 64px;
}

.heading-lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.8;
}

.section-subtitle {
  margin: 18px 0 0;
  font-size: clamp(1.4rem, 2.3vw, 2.15rem);
  font-weight: 850;
  line-height: 1.35;
  letter-spacing: -0.05em;
}

.centered-heading {
  text-align: center;
}

.centered-heading h2 {
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  color: var(--white);
  background: rgba(23, 17, 61, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), 1440px);
  height: 100%;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 182px;
  min-height: 48px;
  text-decoration: none;
}

.brand img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0 11px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

.menu-toggle span[aria-hidden="true"] {
  display: block;
  width: 100%;
  height: 2px;
  margin: 6px 0;
  background: currentColor;
  transition: transform 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span[aria-hidden="true"]:first-of-type {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span[aria-hidden="true"]:last-of-type {
  transform: translateY(-4px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  height: 880px;
  padding: calc(var(--header-height) + 54px) 0 54px;
  color: var(--white);
  overflow: hidden;
  background: var(--purple-950);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 8, 34, 0.94) 0%, rgba(17, 12, 48, 0.82) 48%, rgba(23, 17, 61, 0.42) 100%),
    linear-gradient(180deg, rgba(10, 8, 34, 0.08) 0%, rgba(10, 8, 34, 0.34) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: 3;
  inset: var(--header-height) 0 auto;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.hero-field {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.88) brightness(0.72) contrast(1.04);
}

.hero-video {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.88) brightness(0.8) contrast(1.04);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  text-align: left;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: min(100%, 840px);
}

.hero-context {
  margin: 0 0 24px;
  color: var(--mint);
  font-size: clamp(0.72rem, 1vw, 0.86rem);
  font-weight: 900;
  letter-spacing: 0.16em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.8rem, 6.4vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.075em;
}

.hero h1 span {
  display: block;
  margin-top: 12px;
  color: var(--mint);
}

.hero-message {
  display: grid;
  gap: 10px;
  margin-top: 38px;
}

.hero-theme {
  margin: 0;
  color: var(--sky);
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.05em;
}

.hero-subtitle {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  font-weight: 750;
  letter-spacing: -0.03em;
}

.hero-facts {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  width: min(100%, 760px);
  margin: 46px 0 0;
  background: rgba(255, 255, 255, 0.035);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-facts div {
  padding: 18px 22px;
}

.hero-facts div + div {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-facts dt {
  margin-bottom: 5px;
  color: var(--mint);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.hero-facts dd {
  margin: 0;
  color: var(--white);
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  justify-content: flex-start;
  gap: 14px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 158px;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  font-weight: 850;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.button-primary {
  color: var(--purple-950);
  background: var(--white);
  border-color: var(--white);
}

.button-primary:hover {
  color: var(--purple-950);
  background: var(--mint);
  border-color: var(--mint);
}

.button-secondary {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.58);
}

.button-secondary:hover {
  color: var(--purple-950);
  background: var(--white);
  border-color: var(--white);
}

/* About */
.intro {
  padding: 132px 0 140px;
  background: linear-gradient(180deg, #f8f8f4 0%, #eef6ff 100%);
  overflow: hidden;
  isolation: isolate;
}

.about-field {
  position: absolute;
  z-index: -1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.94;
}

.about-inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
}

.about-heading {
  max-width: 880px;
  margin-inline: auto;
  margin-bottom: 64px;
}

.about-heading .section-subtitle {
  color: var(--purple-800);
}

.about-copy {
  display: grid;
  gap: 12px;
  max-width: 780px;
  margin: 28px auto 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.25vw, 1.14rem);
  line-height: 1.82;
}

.about-copy p {
  margin: 0;
}

.about-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.about-principles article {
  min-height: 240px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(36, 16, 95, 0.14);
  border-radius: 26px;
  box-shadow: 0 20px 50px rgba(36, 16, 95, 0.08);
  backdrop-filter: blur(8px);
}

.principle-number {
  display: block;
  margin-bottom: 26px;
  color: var(--purple-800);
  font-size: 0.72rem;
  font-weight: 900;
}

.about-principles h3 {
  margin: 0 0 8px;
  font-size: 1.28rem;
  letter-spacing: -0.04em;
}

.about-principles p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.72;
}

/* Program */
.program-section {
  color: var(--white);
  background: var(--purple-950);
  overflow: hidden;
}

.circuit-bg {
  position: absolute;
  top: 0;
  right: -8%;
  width: min(70vw, 980px);
  opacity: 0.25;
}

.program-section .container {
  position: relative;
  z-index: 1;
}

.program-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
}

.program-heading p {
  margin: 0 0 6px;
  color: rgba(255, 255, 255, 0.68);
  font-weight: 700;
}

.program-heading .section-subtitle {
  max-width: 680px;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.section-meta {
  white-space: nowrap;
}

.talks-heading .section-subtitle {
  color: var(--purple-800);
}

.program-tracks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 24px;
}

.program-track {
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.17);
  overflow: hidden;
  border-radius: 0;
  box-shadow: 0 28px 70px rgba(7, 5, 25, 0.24);
}

.track-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--purple-900);
}

.track-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 8, 34, 0.74) 0%, rgba(10, 8, 34, 0.12) 58%, rgba(10, 8, 34, 0.38) 100%);
}

.track-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.track-part {
  position: absolute;
  z-index: 1;
  top: 24px;
  left: 28px;
  margin: 0;
  color: var(--mint);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.track-part strong {
  display: block;
  margin-top: -4px;
  color: var(--white);
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.08em;
}

.track-header {
  margin: 0 32px;
  padding: 30px 0 26px;
  border-bottom: 1px solid var(--line);
}

.track-header h3 {
  margin: 0 0 8px;
  color: var(--purple-950);
  font-size: clamp(2.15rem, 3.5vw, 3.45rem);
  line-height: 1.06;
  letter-spacing: -0.065em;
}

.track-header time {
  color: var(--purple-800);
  font-size: 0.82rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.schedule-list {
  margin: 0;
  padding: 0 32px;
  list-style: none;
}

.schedule-list > li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.schedule-list > li:last-child {
  border-bottom: 0;
}

.schedule-list time {
  padding-top: 3px;
  color: var(--purple-800);
  font-size: 0.82rem;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.schedule-list h4 {
  margin: 0 0 5px;
  color: var(--purple-950);
  font-size: 1.14rem;
  letter-spacing: -0.035em;
}

.schedule-list p,
.schedule-list ul {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.62;
}

.schedule-list ul {
  padding-left: 1.15em;
}

.schedule-list strong {
  color: var(--ink);
}

.highlight-session {
  margin: 10px -12px 0;
  padding-inline: 14px !important;
  background: #effff7;
  border: 1px solid rgba(50, 23, 191, 0.16) !important;
  border-radius: 0;
}

.highlight-session a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 4px;
  color: var(--purple-800);
  font-size: 0.82rem;
  font-weight: 850;
  text-underline-offset: 4px;
}

.program-break {
  display: flex;
  justify-content: space-between;
  margin: 14px 32px 32px;
  padding: 12px 14px;
  color: var(--purple-950);
  background: var(--mint);
  border-radius: 0;
  font-size: 0.76rem;
  font-weight: 900;
}

/* Talks */
.talks-section {
  background: #ececf1;
}

.talk-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.talk-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 560px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid rgba(24, 21, 43, 0.13);
}

.talk-card::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border: 34px solid currentColor;
  border-radius: 50%;
  opacity: 0.08;
}

.talk-card-primary {
  color: var(--white);
  background: var(--purple-800);
}

.talk-card-sky {
  color: var(--ink);
  background: var(--sky);
}

.talk-card-dark {
  color: var(--white);
  background: var(--purple-950);
}

.talk-index {
  margin: 0 0 72px;
  font-size: 0.82rem;
  font-weight: 900;
}

.talk-tag {
  margin: 0 0 14px;
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  opacity: 0.72;
}

.talk-card h3 {
  margin: 0 0 24px;
  font-size: clamp(2.1rem, 3.2vw, 3.55rem);
  line-height: 1.08;
  letter-spacing: -0.065em;
}

.talk-card > p:not(.talk-index):not(.talk-tag) {
  margin: 0;
  opacity: 0.78;
}

.talk-card footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  margin-top: auto;
  padding-top: 28px;
  border-top: 1px solid currentColor;
}

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

.talk-card footer span {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Partners */
.partners-section {
  background: var(--paper);
}

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

.partner-row {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(50px, 9vw, 140px);
  padding: 62px 0;
  border-bottom: 1px solid var(--line);
}

.partner-logo {
  display: flex;
  height: 180px;
  align-items: center;
  justify-content: center;
  padding: 34px;
  background: var(--white);
}

.partner-logo img {
  width: auto;
  height: auto;
  max-width: var(--logo-max-width, 88%);
  max-height: var(--logo-max-height, 78px);
  object-fit: contain;
}

.logo-muas {
  --logo-max-width: 72%;
  --logo-max-height: 76px;
}

.logo-sejong {
  --logo-max-width: 88%;
  --logo-max-height: 82px;
}

.logo-realworld {
  --logo-max-width: 84%;
  --logo-max-height: 62px;
}

.partner-copy {
  max-width: 720px;
}

.partner-type {
  margin: 0 0 12px;
  color: var(--purple-800);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.partner-copy h3 {
  margin: 0 0 16px;
  font-size: clamp(1.55rem, 2.4vw, 2.3rem);
  line-height: 1.25;
  letter-spacing: -0.05em;
}

.partner-copy > p:not(.partner-type) {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.85;
}

.partner-copy blockquote {
  margin: 22px 0 0;
  color: var(--purple-800);
  font-size: 1.05rem;
  font-weight: 850;
}

/* Location */
.location-section {
  padding-bottom: 120px;
  background: var(--mint);
}

.location-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.72fr) minmax(0, 1.28fr);
  align-items: stretch;
  gap: 30px;
}

.location-copy {
  padding: 10px 30px 0 0;
}

.location-copy h2 {
  margin-bottom: 46px;
}

.venue-card {
  padding-top: 26px;
  border-top: 2px solid var(--purple-950);
}

.venue-label {
  margin: 0 0 10px;
  color: var(--purple-800);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.venue-card h3 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.4;
  letter-spacing: -0.04em;
}

.venue-card address {
  color: var(--ink-soft);
  font-style: normal;
}

.venue-card dl {
  margin: 32px 0 30px;
  border-top: 1px solid rgba(24, 21, 43, 0.25);
}

.venue-card dl div {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(24, 21, 43, 0.25);
}

.venue-card dt {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 800;
}

.venue-card dd {
  margin: 0;
  font-weight: 750;
}

.venue-card dd a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-underline-offset: 4px;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.55;
}

.contact-detail a {
  align-self: flex-start;
  min-height: 32px !important;
  color: var(--purple-800);
}

.map-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  color: var(--white);
  background: var(--purple-950);
  font-weight: 850;
  text-decoration: none;
}

.map-link span {
  margin-left: 14px;
}

.map-frame {
  min-height: 560px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(24, 21, 43, 0.18);
  box-shadow: 18px 18px 0 rgba(36, 16, 95, 0.13);
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 534px;
  border: 0;
  filter: saturate(0.75) contrast(1.04);
}

/* Footer */
.site-footer {
  position: relative;
  padding: 72px 0 24px;
  color: var(--white);
  background: var(--purple-950);
  overflow: hidden;
}

.footer-circuit {
  position: absolute;
  right: -8%;
  bottom: -2%;
  width: min(68vw, 950px);
  opacity: 0.16;
}

.footer-inner {
  position: relative;
  z-index: 1;
}

.footer-summary {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand {
  width: 220px;
  height: auto;
}

.footer-summary p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
  font-weight: 700;
  text-align: right;
}

.host-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
  padding: 32px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.23);
  border-bottom: 1px solid rgba(255, 255, 255, 0.23);
}

.host-groups h3 {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
}

.footer-logos {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 30px;
}

.footer-logos img {
  width: 100%;
  max-width: 230px;
  height: 44px;
  object-fit: contain;
  object-position: left center;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 30px;
  padding-top: 18px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.78rem;
  font-weight: 750;
}

.footer-bottom a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-underline-offset: 4px;
}

/* Responsive */
@media (max-width: 900px) {
  :root {
    --header-height: 76px;
  }

  .section {
    padding: 92px 0;
  }

  .brand {
    width: 148px;
  }

  .hero {
    height: 760px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    z-index: -1;
    inset: var(--header-height) 0 auto;
    display: grid;
    padding: 20px 24px 30px;
    background: var(--purple-950);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 18px 38px rgba(8, 5, 28, 0.28);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-16px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .site-nav.is-open {
    z-index: 99;
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .site-nav a {
    min-height: 52px;
    padding: 0;
    font-size: 1.06rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  }

  .program-tracks,
  .talk-card-grid {
    grid-template-columns: 1fr;
  }

  .program-track {
    padding: 0;
  }

  .partner-row {
    grid-template-columns: 0.72fr 1.28fr;
    gap: 44px;
  }

  .location-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .location-copy {
    padding-right: 0;
  }

  .map-frame {
    min-height: 440px;
  }

  .map-frame iframe {
    min-height: 414px;
  }
}

@media (max-width: 680px) {
  .container,
  .nav-shell {
    width: min(calc(100% - 32px), var(--container));
  }

  .brand {
    width: 144px;
  }

  .section {
    padding: 80px 0;
  }

  .section-heading {
    margin-bottom: 44px;
  }

  .section-heading h2,
  .location-copy h2 {
    font-size: clamp(2.2rem, 11vw, 2.65rem);
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero {
    height: 660px;
    padding: calc(var(--header-height) + 30px) 0 32px;
  }

  .hero-field {
    object-position: 58% center;
    opacity: 1;
  }

  .hero-video {
    inset: 0;
    width: 100%;
    height: 100%;
    object-position: 58% center;
    filter: saturate(0.88) brightness(0.78) contrast(1.04);
  }

  .hero h1 {
    font-size: clamp(2.45rem, 10.8vw, 2.8rem);
    line-height: 1.02;
  }

  .hero-context {
    margin-bottom: 16px;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
  }

  .hero h1 span {
    margin-top: 8px;
  }

  .hero-message {
    gap: 6px;
    margin-top: 24px;
  }

  .hero-theme {
    font-size: 1.2rem;
  }

  .hero-subtitle {
    font-size: 0.96rem;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .hero-facts div {
    padding: 11px 12px;
  }

  .hero-facts div + div {
    border-top: 1px solid rgba(24, 21, 43, 0.2);
    border-left: 0;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    margin-top: 26px;
  }

  .button {
    min-width: 0;
    min-height: 48px;
    padding-inline: 10px;
    font-size: 0.86rem;
  }

  .intro {
    padding: 104px 0 110px;
  }

  .about-field {
    object-position: 58% center;
    opacity: 0.76;
  }

  .about-heading .section-subtitle {
    font-size: 1.38rem;
  }

  .about-copy {
    margin-top: 22px;
    text-align: left;
  }

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

  .about-principles article {
    min-height: 0;
    padding: 24px;
  }

  .principle-number {
    margin-bottom: 16px;
  }

  .program-heading {
    display: block;
  }

  .program-heading .section-subtitle {
    margin-top: 12px;
  }

  .program-heading .section-meta {
    margin-top: 22px;
    white-space: normal;
  }

  .program-track {
    padding: 0;
    border-radius: 0;
  }

  .track-part {
    top: 16px;
    left: 18px;
  }

  .track-part strong {
    font-size: 2.8rem;
  }

  .track-header {
    margin-inline: 20px;
    padding: 24px 0 20px;
  }

  .schedule-list {
    padding-inline: 20px;
  }

  .program-break {
    margin: 14px 20px 22px;
  }

  .schedule-list > li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .schedule-list time {
    padding-top: 0;
  }

  .highlight-session {
    margin-inline: -4px;
  }

  .talk-card {
    min-height: 560px;
    padding: 34px;
  }

  .partner-row {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 48px 0;
  }

  .partner-logo {
    height: 132px;
    padding: 24px;
  }

  .partner-logo img {
    max-height: 62px;
  }

  .location-section {
    padding-bottom: 92px;
  }

  .location-copy h2 {
    margin-bottom: 34px;
  }

  .map-frame {
    min-height: 340px;
    padding: 8px;
    box-shadow: 12px 12px 0 rgba(36, 16, 95, 0.13);
  }

  .map-frame iframe {
    min-height: 322px;
  }

  .site-footer {
    padding: 68px 0 22px;
  }

  .footer-summary {
    display: grid;
    gap: 24px;
    padding-bottom: 38px;
  }

  .footer-brand {
    width: 180px;
  }

  .footer-summary p {
    text-align: left;
  }

  .host-groups {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-logos {
    gap: 20px;
  }

}

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

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

  .hero-video {
    display: none;
  }
}

@media print {
  .site-header,
  .hero-video,
  .hero-actions,
  .map-link {
    display: none !important;
  }

  .hero {
    height: auto;
    padding-top: 40px;
  }

  .section {
    padding: 50px 0;
  }

  .program-section,
  .site-footer {
    color: #000;
    background: #fff;
  }
}