:root {
  --navy: #071126;
  --deep-navy: #0b162c;
  --blue: #1d76b5;
  --sky: #59c3e9;
  --electric: #23aee1;
  --metu-red: #e7193f;
  --ink: #10182b;
  --muted: #667085;
  --line: rgba(11, 22, 44, 0.13);
  --paper: #f5f7fb;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--navy);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-geist-sans), Arial, Helvetica, sans-serif;
  overflow-x: hidden;
}

body,
button,
a {
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(89, 195, 233, 0.9);
  outline-offset: 4px;
}

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

.site-header {
  align-items: center;
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(11, 22, 44, 0.08);
  display: flex;
  height: 82px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(22px, 4.6vw, 76px);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 100;
}

.brand-lockup,
.nav-links,
.footer-logos {
  align-items: center;
  display: flex;
}

.logo-tile {
  align-items: center;
  display: flex;
  height: 56px;
  justify-content: center;
  width: 112px;
}

.logo-tile img {
  max-height: 48px;
  max-width: 108px;
}

.brand-divider {
  background: rgba(11, 22, 44, 0.18);
  height: 34px;
  margin: 0 18px;
  width: 1px;
}

.summit-mark {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.summit-mark b {
  color: var(--deep-navy);
  font-size: 1rem;
  letter-spacing: 0.14em;
}

.summit-mark span {
  color: var(--blue);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  margin-top: 4px;
}

.nav-links {
  gap: clamp(18px, 2vw, 32px);
}

.nav-links > a:not(.nav-cta) {
  color: #3f485b;
  font-size: 0.83rem;
  font-weight: 700;
  position: relative;
}

.nav-links > a:not(.nav-cta)::after {
  background: var(--blue);
  bottom: -7px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  width: 100%;
}

.nav-links > a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  background: var(--deep-navy);
  border-radius: 100px;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 13px 20px;
  transition: background 180ms ease, transform 180ms ease;
}

.nav-cta:hover {
  background: var(--blue);
  transform: translateY(-2px);
}

.menu-toggle {
  background: transparent;
  border: 0;
  display: none;
  height: 44px;
  padding: 10px;
  width: 44px;
}

.menu-toggle span {
  background: var(--navy);
  display: block;
  height: 2px;
  margin: 6px 0;
  width: 24px;
}

.hero {
  background: var(--navy);
  color: var(--white);
  min-height: min(940px, 100vh);
  overflow: hidden;
  padding: 82px clamp(22px, 6vw, 98px) 36px;
  position: relative;
}

.hero-media,
.hero-grid,
.hero-shade {
  inset: 0;
  position: absolute;
}

.hero-media {
  animation: hero-in 1.6s ease-out both;
  background-image: url("public/media/metu-aerial.webp");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(4, 11, 27, 0.97) 0%, rgba(4, 11, 27, 0.87) 43%, rgba(4, 11, 27, 0.15) 78%),
    linear-gradient(0deg, rgba(4, 11, 27, 0.94) 0%, transparent 42%);
}

.hero-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to right, black, transparent 80%);
}

.hero-content {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(min(940px, 100vh) - 230px);
  padding-top: 50px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  align-items: center;
  color: var(--blue);
  display: flex;
  font-size: 0.7rem;
  font-weight: 800;
  gap: 10px;
  letter-spacing: 0.2em;
  margin: 0 0 22px;
  text-transform: uppercase;
}

.eyebrow::before {
  background: var(--sky);
  content: "";
  height: 2px;
  width: 30px;
}

.eyebrow.light {
  color: #9bdff5;
}

.eyebrow span {
  color: var(--metu-red);
}

.hero h1 {
  font-size: clamp(3.8rem, 8.2vw, 8.6rem);
  font-weight: 680;
  letter-spacing: -0.065em;
  line-height: 0.84;
  margin: 0;
  max-width: 980px;
}

.hero h1 span {
  color: #8edbf2;
  display: block;
  font-weight: 400;
}

.hero-lead {
  color: rgba(255, 255, 255, 0.75);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.65;
  margin: 34px 0 0;
  max-width: 670px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  align-items: center;
  border-radius: 100px;
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 800;
  gap: 22px;
  justify-content: center;
  letter-spacing: 0.01em;
  min-height: 54px;
  padding: 0 24px;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

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

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

.button-ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
}

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

.hero-foot {
  align-items: flex-end;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  justify-content: space-between;
  padding-top: 28px;
  position: relative;
  z-index: 2;
}

.event-meta,
.countdown {
  display: flex;
}

.event-meta {
  gap: 60px;
}

.event-meta div,
.countdown-unit {
  display: flex;
  flex-direction: column;
}

.event-meta span,
.countdown-unit span {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.61rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  margin-bottom: 7px;
  text-transform: uppercase;
}

.event-meta strong {
  font-size: 0.9rem;
}

.countdown {
  gap: 24px;
}

.countdown-unit {
  min-width: 58px;
}

.countdown-unit strong {
  font-size: 1.8rem;
  font-weight: 500;
}

.signal-bar {
  background: var(--sky);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0 clamp(22px, 6vw, 98px);
}

.signal-item {
  align-items: center;
  border-right: 1px solid rgba(11, 22, 44, 0.19);
  display: flex;
  gap: 18px;
  min-height: 126px;
  padding: 24px 6%;
}

.signal-item:first-child {
  border-left: 1px solid rgba(11, 22, 44, 0.19);
}

.signal-item strong {
  color: var(--navy);
  font-size: 2.5rem;
  letter-spacing: -0.06em;
}

.signal-item span {
  color: rgba(7, 17, 38, 0.72);
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1.35;
  max-width: 110px;
  text-transform: uppercase;
}

.section {
  padding: 130px clamp(22px, 6vw, 98px);
}

.section-heading {
  margin-bottom: 64px;
  max-width: 860px;
}

.section-heading h2,
.metu-title h2,
.ecosystem-copy h2,
.abstract-copy h2,
.partners-lead h2,
.footer-brand h2 {
  color: var(--navy);
  font-size: clamp(2.5rem, 5.2vw, 5.8rem);
  font-weight: 610;
  letter-spacing: -0.06em;
  line-height: 0.96;
  margin: 0;
}

.section-heading > p:last-child,
.split-heading > p,
.ecosystem-copy > p:last-child,
.partners-lead > p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
  margin: 24px 0 0;
  max-width: 620px;
}

.split-heading {
  align-items: end;
  display: grid;
  gap: 80px;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.65fr);
  max-width: none;
}

.split-heading > p {
  margin: 0 0 6px;
}

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

.challenge-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: 1.05fr 0.95fr;
}

.challenge-feature,
.mission-card {
  border-radius: 8px;
  min-height: 440px;
  overflow: hidden;
  padding: clamp(34px, 5vw, 72px);
  position: relative;
}

.challenge-feature {
  background: var(--sky);
}

.oversized-number {
  color: var(--navy);
  display: block;
  font-size: clamp(5.6rem, 12vw, 11rem);
  font-weight: 700;
  letter-spacing: -0.095em;
  line-height: 0.82;
}

.challenge-feature p {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.45;
  margin: 40px 0 0;
  max-width: 330px;
}

.orbit-line {
  border: 1px solid rgba(7, 17, 38, 0.34);
  border-radius: 50%;
  height: 390px;
  position: absolute;
  right: -130px;
  top: 60px;
  transform: rotate(-21deg);
  width: 620px;
}

.orbit-line::after {
  background: var(--metu-red);
  border-radius: 50%;
  content: "";
  height: 14px;
  left: 110px;
  position: absolute;
  top: 20px;
  width: 14px;
}

.mission-card {
  background: var(--navy);
  color: var(--white);
}

.card-kicker,
.panel-label {
  color: var(--sky);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  margin: 0 0 22px;
  text-transform: uppercase;
}

.mission-card h3 {
  font-size: clamp(2rem, 3.2vw, 3.6rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
  margin: 0;
  max-width: 500px;
}

.mission-card > p:not(.card-kicker) {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.65;
  max-width: 510px;
}

.mission-services {
  bottom: 48px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
  left: clamp(34px, 5vw, 72px);
  position: absolute;
  right: clamp(34px, 5vw, 72px);
}

.mission-services span {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: #c6d0e1;
  font-size: 0.75rem;
  font-weight: 700;
  padding-top: 12px;
}

.programme-section {
  background: var(--navy);
  color: var(--white);
}

.programme-section .section-heading h2,
.ecosystem-copy h2,
.abstract-copy h2,
.partners-lead h2,
.footer-brand h2 {
  color: var(--white);
}

.programme-section .section-heading > p:last-child,
.ecosystem-copy > p:last-child,
.partners-lead > p {
  color: rgba(255, 255, 255, 0.62);
}

.program-shell {
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.program-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.program-tabs button {
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.44);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  padding: 28px 34px;
  text-align: left;
  transition: background 180ms ease, color 180ms ease;
}

.program-tabs button:last-child {
  border-right: 0;
}

.program-tabs button.active {
  background: var(--sky);
  color: var(--navy);
}

.program-tabs button span {
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  margin-bottom: 7px;
  text-transform: uppercase;
}

.program-tabs button strong {
  font-size: 1rem;
}

.program-panel {
  display: grid;
  gap: 80px;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.6fr);
  min-height: 390px;
  padding: clamp(36px, 6vw, 82px);
}

.program-panel h3 {
  font-size: clamp(2.3rem, 4vw, 4.4rem);
  letter-spacing: -0.055em;
  line-height: 0.98;
  margin: 0;
}

.program-panel > div > p:last-child {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  max-width: 520px;
}

.program-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.program-panel li {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  font-size: 0.88rem;
  font-weight: 700;
  gap: 18px;
  padding: 20px 0;
}

.program-panel li span {
  color: var(--sky);
}

.programme-note {
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.7rem;
  margin: 20px 0 0;
  text-align: right;
}

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

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

.experience-card {
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
  min-height: 330px;
  padding: clamp(30px, 4vw, 58px);
  position: relative;
  transition: background 220ms ease, color 220ms ease, transform 220ms ease;
}

.experience-card:nth-child(even) {
  border-right: 1px solid var(--line);
}

.experience-card:nth-child(n + 3) {
  border-bottom: 1px solid var(--line);
}

.experience-card:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-5px);
  z-index: 2;
}

.experience-card > span {
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.experience-card h3 {
  font-size: clamp(1.6rem, 2.4vw, 2.5rem);
  letter-spacing: -0.04em;
  margin: 44px 0 18px;
  max-width: 430px;
}

.experience-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 470px;
}

.experience-card:hover p {
  color: rgba(255, 255, 255, 0.64);
}

.card-arrow {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  bottom: 32px;
  display: flex;
  height: 42px;
  justify-content: center;
  position: absolute;
  right: 34px;
  width: 42px;
}

.ecosystem-section {
  background: var(--blue);
  color: var(--white);
  display: grid;
  gap: 90px;
  grid-template-columns: 0.8fr 1.2fr;
  padding: 120px clamp(22px, 6vw, 98px);
}

.ecosystem-copy {
  align-self: center;
}

.audience-cloud {
  align-content: center;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.audience-cloud span {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.26);
  display: flex;
  font-size: clamp(0.95rem, 1.5vw, 1.25rem);
  font-weight: 700;
  line-height: 1.35;
  min-height: 76px;
  padding-block: 12px;
}

.audience-cloud span:nth-child(odd) {
  border-right: 1px solid rgba(255, 255, 255, 0.26);
  padding-right: 24px;
}

.audience-cloud span:nth-child(even) {
  padding-left: 24px;
}

.audience-cloud b {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  margin-right: 18px;
}

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

.metu-title {
  align-items: center;
  display: flex;
  gap: 34px;
  margin-bottom: 60px;
}

.metu-logo-card {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  height: 114px;
  justify-content: center;
  padding: 20px;
  width: 188px;
}

.metu-logo-card img {
  max-height: 70px;
}

.metu-title .eyebrow {
  margin-bottom: 16px;
}

.metu-hero-card {
  background: #d8dce2;
  min-height: 560px;
  overflow: hidden;
  position: relative;
}

.metu-hero-card > img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.metu-hero-card::after {
  background: linear-gradient(90deg, rgba(7, 17, 38, 0.92), rgba(7, 17, 38, 0.2) 58%, transparent);
  content: "";
  inset: 0;
  position: absolute;
}

.metu-hero-copy {
  bottom: 0;
  color: var(--white);
  left: 0;
  max-width: 680px;
  padding: clamp(36px, 6vw, 80px);
  position: absolute;
  z-index: 2;
}

.metu-hero-copy > p {
  color: var(--sky);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.metu-hero-copy h3 {
  font-size: clamp(2.2rem, 4.1vw, 4.5rem);
  letter-spacing: -0.055em;
  line-height: 0.98;
  margin: 18px 0 34px;
}

.metu-hero-copy a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  font-size: 0.78rem;
  font-weight: 800;
  padding-bottom: 7px;
}

.metu-stats {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.metu-stats div {
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 34px 36px;
}

.metu-stats div:last-child {
  border-right: 0;
}

.metu-stats strong {
  color: var(--navy);
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: -0.055em;
}

.metu-stats span {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-top: 8px;
  text-transform: uppercase;
}

.metu-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 64px;
}

.metu-story {
  background: var(--white);
  min-height: 410px;
  overflow: hidden;
}

.metu-story > img {
  height: 250px;
  object-fit: cover;
  width: 100%;
}

.metu-story > div {
  padding: 28px 30px;
}

.metu-story h3 {
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin: 0;
}

.metu-space {
  background:
    radial-gradient(circle at 82% 12%, rgba(89, 195, 233, 0.3), transparent 26%),
    linear-gradient(145deg, #0b162c, #122857);
  color: var(--white);
  position: relative;
}

.metu-space::after {
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 50%;
  content: "";
  height: 330px;
  position: absolute;
  right: -150px;
  top: 60px;
  width: 520px;
}

.metu-space > div {
  padding: 48px 38px;
  position: relative;
  z-index: 2;
}

.metu-space h3 {
  font-size: 2.15rem;
}

.metu-space p:last-child {
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.65;
}

.metu-research-strip {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 70px;
}

.metu-research-strip > div {
  border-right: 1px solid var(--line);
  padding: 36px;
}

.metu-research-strip > div:last-child {
  border-right: 0;
}

.metu-research-strip span {
  color: var(--metu-red);
  display: block;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  margin-bottom: 22px;
}

.metu-research-strip strong {
  display: block;
  font-size: 1.3rem;
}

.metu-research-strip p {
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.6;
}

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

.footprint-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
}

.footprint-image {
  background: var(--paper);
  height: 310px;
  overflow: hidden;
}

.footprint-image img {
  filter: saturate(0.82);
  height: 100%;
  object-fit: cover;
  transition: filter 260ms ease, transform 500ms ease;
  width: 100%;
}

.footprint-grid article:hover img {
  filter: saturate(1);
  transform: scale(1.035);
}

.footprint-grid article > p {
  color: var(--blue);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 22px 0 7px;
  text-transform: uppercase;
}

.footprint-grid h3 {
  font-size: 1.8rem;
  letter-spacing: -0.04em;
  margin: 0 0 12px;
}

.footprint-grid article > span {
  color: var(--muted);
  display: block;
  font-size: 0.82rem;
  line-height: 1.6;
}

.abstract-section {
  align-items: center;
  background: var(--navy);
  color: var(--white);
  display: grid;
  gap: clamp(46px, 7vw, 110px);
  grid-template-columns: minmax(340px, 0.95fr) minmax(360px, 0.8fr);
  padding: 110px clamp(22px, 8vw, 130px);
}

.abstract-poster {
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  transform: rotate(-2deg);
}

.abstract-poster img {
  width: 100%;
}

.abstract-copy > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.75;
  margin: 28px 0;
  max-width: 590px;
}

.deadline {
  border-left: 3px solid var(--sky);
  display: flex;
  flex-direction: column;
  margin: 34px 0;
  padding: 3px 0 3px 22px;
}

.deadline span {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.deadline strong {
  font-size: 1.35rem;
  margin-top: 8px;
}

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

.travel-layout {
  align-items: start;
  display: grid;
  gap: 22px;
  grid-template-columns: 0.92fr 1.08fr;
}

.travel-image {
  min-height: 670px;
  overflow: hidden;
  position: sticky;
  top: 110px;
}

.travel-image > img {
  height: 670px;
  object-fit: cover;
  width: 100%;
}

.travel-image::after {
  background: linear-gradient(0deg, rgba(7, 17, 38, 0.95), transparent 58%);
  content: "";
  inset: 0;
  position: absolute;
}

.travel-image > div {
  bottom: 0;
  color: var(--white);
  left: 0;
  padding: 42px;
  position: absolute;
  z-index: 2;
}

.travel-image span,
.travel-cards article > span {
  color: var(--sky);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.travel-image strong {
  display: block;
  font-size: 1.6rem;
  margin: 12px 0 6px;
}

.travel-image p {
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

.travel-cards {
  display: grid;
  gap: 16px;
}

.travel-cards article {
  background: var(--white);
  border: 1px solid var(--line);
  min-height: 205px;
  padding: 34px;
}

.travel-cards h3 {
  font-size: 1.42rem;
  letter-spacing: -0.03em;
  margin: 18px 0 12px;
}

.travel-cards p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.65;
  margin: 0;
}

.travel-cards a {
  color: var(--blue);
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  margin-top: 18px;
}

.faq-list {
  margin-top: 80px;
}

.faq-item {
  border-top: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-item button {
  align-items: center;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: grid;
  grid-template-columns: 58px 1fr 32px;
  padding: 28px 0;
  text-align: left;
  width: 100%;
}

.faq-item button > span {
  color: var(--blue);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.faq-item button > strong {
  font-size: 1rem;
}

.faq-item button > b {
  font-size: 1.5rem;
  font-weight: 400;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 240ms ease;
}

.faq-answer p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
  max-width: 770px;
  overflow: hidden;
  padding-left: 58px;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.open .faq-answer p {
  padding-bottom: 28px;
}

.partners-section {
  background:
    radial-gradient(circle at 100% 0%, rgba(29, 118, 181, 0.5), transparent 34%),
    var(--navy);
  color: var(--white);
  display: grid;
  gap: 90px;
  grid-template-columns: 0.85fr 1.15fr;
  padding: 130px clamp(22px, 6vw, 98px);
}

.partners-lead > p {
  margin-bottom: 34px;
}

.partner-options {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.partner-options article {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  display: grid;
  gap: 24px;
  grid-template-columns: 46px 170px 1fr;
  min-height: 130px;
}

.partner-options article > span {
  color: var(--sky);
  font-size: 0.65rem;
  font-weight: 800;
}

.partner-options h3 {
  font-size: 1.35rem;
  margin: 0;
}

.partner-options p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.83rem;
  line-height: 1.6;
}

footer {
  background: #040915;
  color: var(--white);
  padding: 88px clamp(22px, 6vw, 98px) 34px;
}

.footer-top {
  display: grid;
  gap: 80px;
  grid-template-columns: 1fr 0.7fr;
}

.footer-logos {
  gap: 12px;
}

.footer-logos > span {
  align-items: center;
  background: var(--white);
  display: flex;
  height: 66px;
  justify-content: center;
  padding: 10px 15px;
  width: 142px;
}

.footer-logos img {
  max-height: 50px;
  max-width: 112px;
}

.footer-brand h2 {
  margin-top: 54px;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.footer-links > div {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links span {
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.84rem;
}

.footer-links a:hover {
  color: var(--sky);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.36);
  display: flex;
  font-size: 0.66rem;
  font-weight: 700;
  justify-content: space-between;
  letter-spacing: 0.08em;
  margin-top: 84px;
  padding-top: 26px;
  text-transform: uppercase;
}

.floating-cta {
  align-items: center;
  background: var(--metu-red);
  bottom: 24px;
  box-shadow: 0 16px 40px rgba(7, 17, 38, 0.28);
  color: var(--white);
  display: flex;
  gap: 15px;
  min-height: 62px;
  padding: 0 22px;
  position: fixed;
  right: 24px;
  z-index: 90;
}

.floating-cta > span {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.floating-cta > strong {
  font-size: 1rem;
}

.floating-cta > b {
  font-size: 1.1rem;
  margin-left: 8px;
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: scale(1.08);
  }
  to {
    opacity: 1;
    transform: scale(1.02);
  }
}

@media (max-width: 1100px) {
  .nav-links {
    gap: 16px;
  }

  .nav-links > a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: 860px;
  }

  .hero-content {
    min-height: 620px;
  }

  .split-heading,
  .ecosystem-section,
  .partners-section {
    gap: 50px;
  }

  .footprint-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 48px;
  }

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

  .metu-space {
    grid-column: span 2;
    min-height: 330px;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 72px;
    padding: 0 18px;
  }

  .logo-tile {
    height: 48px;
    width: 96px;
  }

  .brand-divider {
    margin: 0 12px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    align-items: stretch;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    gap: 0;
    left: 0;
    padding: 18px;
    position: absolute;
    right: 0;
    top: 72px;
  }

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

  .nav-links > a:not(.nav-cta) {
    border-bottom: 1px solid var(--line);
    display: block;
    padding: 16px 6px;
  }

  .nav-cta {
    margin-top: 14px;
    text-align: center;
  }

  .hero {
    min-height: 820px;
    padding: 72px 20px 24px;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(4, 11, 27, 0.98) 0%, rgba(4, 11, 27, 0.67) 76%, rgba(4, 11, 27, 0.58) 100%);
  }

  .hero-media {
    background-position: 66% center;
  }

  .hero-content {
    min-height: 570px;
    padding-top: 74px;
  }

  .hero h1 {
    font-size: clamp(3.25rem, 15vw, 5.6rem);
  }

  .hero-lead {
    font-size: 0.96rem;
    margin-top: 26px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .event-meta {
    flex-direction: column;
    gap: 15px;
  }

  .countdown {
    justify-content: space-between;
    width: 100%;
  }

  .signal-bar {
    grid-template-columns: 1fr 1fr;
    padding: 0;
  }

  .signal-item,
  .signal-item:first-child {
    border: 1px solid rgba(11, 22, 44, 0.16);
    min-height: 108px;
    padding: 20px;
  }

  .signal-item strong {
    font-size: 2rem;
  }

  .section,
  .ecosystem-section,
  .abstract-section,
  .partners-section {
    padding: 84px 20px;
  }

  .section-heading {
    margin-bottom: 46px;
  }

  .split-heading,
  .challenge-grid,
  .ecosystem-section,
  .abstract-section,
  .travel-layout,
  .partners-section,
  .footer-top {
    display: grid;
    gap: 34px;
    grid-template-columns: 1fr;
  }

  .split-heading > p {
    min-width: 0;
  }

  .challenge-feature,
  .mission-card {
    min-height: 410px;
    padding: 34px 28px;
  }

  .mission-services {
    bottom: 34px;
    left: 28px;
    right: 28px;
  }

  .program-tabs {
    grid-template-columns: 1fr;
  }

  .program-tabs button,
  .program-tabs button:last-child {
    border-right: 0;
  }

  .program-panel {
    gap: 36px;
    grid-template-columns: 1fr;
    padding: 34px 26px;
  }

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

  .experience-card,
  .experience-card:nth-child(even),
  .experience-card:nth-child(n + 3) {
    border: 1px solid var(--line);
    border-bottom: 0;
  }

  .experience-card:last-child {
    border-bottom: 1px solid var(--line);
  }

  .audience-cloud span {
    font-size: 0.8rem;
    min-height: 68px;
  }

  .metu-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .metu-hero-card {
    min-height: 620px;
  }

  .metu-hero-card > img {
    object-position: 54% center;
  }

  .metu-hero-card::after {
    background: linear-gradient(0deg, rgba(7, 17, 38, 0.96), transparent 76%);
  }

  .metu-stats {
    grid-template-columns: 1fr 1fr;
  }

  .metu-stats div {
    border-bottom: 1px solid var(--line);
    padding: 24px 22px;
  }

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

  .metu-space {
    grid-column: auto;
  }

  .metu-research-strip {
    grid-template-columns: 1fr;
  }

  .metu-research-strip > div {
    border-bottom: 1px solid var(--line);
    border-right: 0;
  }

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

  .abstract-poster {
    transform: rotate(-1deg);
  }

  .travel-image {
    min-height: 520px;
    position: relative;
    top: auto;
  }

  .travel-image > img {
    height: 520px;
  }

  .faq-item button {
    grid-template-columns: 40px 1fr 24px;
  }

  .faq-answer p {
    padding-left: 40px;
  }

  .partner-options article {
    align-items: start;
    gap: 12px;
    grid-template-columns: 32px 1fr;
    padding: 24px 0;
  }

  .partner-options p {
    grid-column: 2;
    margin: 0;
  }

  .footer-links {
    gap: 36px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .floating-cta {
    bottom: 14px;
    min-height: 54px;
    right: 14px;
  }

  .floating-cta > span {
    display: none;
  }
}

@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;
  }
}

/* 2026 editorial refinement layer */
:root {
  --navy: #06142b;
  --deep-navy: #0a1b36;
  --blue: #176fa9;
  --sky: #51c6ec;
  --electric: #20afe2;
  --metu-red: #e51b3e;
  --ink: #0c172b;
  --muted: #5d687b;
  --line: rgba(8, 27, 54, 0.12);
  --paper: #f4f7fb;
  --content-max: 1440px;
  --gutter: clamp(22px, 5.2vw, 84px);
  --section-space: clamp(92px, 10vw, 150px);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 30px;
  --shadow-soft: 0 22px 70px rgba(6, 20, 43, 0.11);
  --shell-padding: max(var(--gutter), calc((100vw - var(--content-max)) / 2 + 32px));
}

html {
  scroll-padding-top: 104px;
}

body {
  font-family: var(--font-geist-sans), Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

section[id] {
  scroll-margin-top: 0;
}

.site-header {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 28px rgba(6, 20, 43, 0.05);
  height: 88px;
  padding-inline: var(--shell-padding);
}

.logo-tile {
  height: 60px;
  width: 118px;
}

.logo-tile img {
  max-height: 52px;
  max-width: 112px;
}

.nav-links > a:not(.nav-cta) {
  color: #334057;
  font-size: 0.8rem;
  letter-spacing: 0.01em;
}

.nav-cta {
  box-shadow: 0 10px 26px rgba(6, 20, 43, 0.14);
  min-height: 46px;
  padding-inline: 22px;
}

.hero {
  min-height: min(980px, 100svh);
  padding: 88px var(--shell-padding) 42px;
}

.hero-media {
  background-position: center 48%;
  filter: brightness(1.12) contrast(1.03) saturate(1.01);
}

.hero-shade {
  background:
    linear-gradient(
      90deg,
      rgba(3, 11, 27, 0.97) 0%,
      rgba(3, 11, 27, 0.92) 29%,
      rgba(3, 11, 27, 0.72) 47%,
      rgba(3, 11, 27, 0.24) 64%,
      rgba(3, 11, 27, 0.02) 84%
    ),
    linear-gradient(0deg, rgba(3, 11, 27, 0.7) 0%, rgba(3, 11, 27, 0.15) 44%, transparent 64%);
}

.hero-content {
  min-height: calc(min(980px, 100svh) - 242px);
  padding-top: 42px;
}

.hero h1 {
  font-size: clamp(3.7rem, 7.6vw, 8rem);
  letter-spacing: -0.056em;
  line-height: 0.9;
  max-width: 1040px;
}

.hero h1 span {
  color: #8edcf3;
}

.hero h1,
.hero-lead,
.hero .eyebrow {
  text-shadow: 0 3px 28px rgba(0, 0, 0, 0.34);
}

.hero-lead {
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  max-width: 720px;
}

.button {
  min-height: 56px;
  padding-inline: 27px;
}

.hero-foot {
  gap: 40px;
}

.event-meta strong {
  font-size: 0.94rem;
}

.countdown-unit strong {
  font-variant-numeric: tabular-nums;
}

.signal-bar {
  background: linear-gradient(100deg, #69d0ef 0%, #4bc1e8 54%, #62caed 100%);
  padding-inline: var(--shell-padding);
}

.signal-item {
  min-height: 132px;
  padding-inline: clamp(20px, 3vw, 48px);
}

.section,
.ecosystem-section,
.abstract-section,
.partners-section {
  padding-block: var(--section-space);
  padding-inline: var(--shell-padding);
}

.section-heading {
  margin-bottom: clamp(54px, 6vw, 78px);
}

.section-heading h2,
.metu-title h2,
.ecosystem-copy h2,
.abstract-copy h2,
.partners-lead h2,
.footer-brand h2 {
  font-size: clamp(2.65rem, 4.8vw, 5.35rem);
  font-weight: 640;
  letter-spacing: -0.052em;
  line-height: 0.98;
}

.section-heading > p:last-child,
.split-heading > p,
.ecosystem-copy > p:last-child,
.partners-lead > p {
  font-size: 1.02rem;
  line-height: 1.78;
}

.challenge-feature,
.mission-card,
.program-shell,
.metu-hero-card,
.metu-story,
.footprint-image,
.travel-image,
.travel-cards article,
.abstract-poster {
  border-radius: var(--radius-md);
}

.challenge-feature,
.mission-card {
  box-shadow: var(--shadow-soft);
}

.program-shell {
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.16);
  overflow: hidden;
}

.program-tabs button {
  min-height: 104px;
}

.experience-grid {
  gap: 16px;
}

.experience-card,
.experience-card:nth-child(even),
.experience-card:nth-child(n + 3) {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.experience-card:hover {
  box-shadow: var(--shadow-soft);
}

.ecosystem-section {
  background:
    radial-gradient(circle at 6% 8%, rgba(81, 198, 236, 0.2), transparent 30%),
    var(--blue);
}

.metu-logo-card {
  border-radius: var(--radius-sm);
  box-shadow: 0 14px 40px rgba(6, 20, 43, 0.07);
}

.metu-hero-card,
.metu-story,
.travel-cards article {
  box-shadow: 0 14px 46px rgba(6, 20, 43, 0.07);
}

.metu-story > img,
.footprint-image img,
.travel-image > img {
  object-position: center;
}

.footprint-grid article {
  min-width: 0;
}

.footprint-image {
  box-shadow: 0 12px 40px rgba(6, 20, 43, 0.08);
}

.abstract-section {
  background:
    radial-gradient(circle at 88% 12%, rgba(32, 175, 226, 0.16), transparent 32%),
    linear-gradient(145deg, #06142b 0%, #081a37 62%, #06142b 100%);
  gap: clamp(54px, 7vw, 112px);
  grid-template-columns: minmax(380px, 1.04fr) minmax(340px, 0.76fr);
}

.abstract-poster {
  background: #07142b;
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: 0 36px 100px rgba(0, 0, 0, 0.36);
  transform: none;
}

.abstract-poster img {
  aspect-ratio: 1;
  height: auto;
  object-fit: cover;
}

.abstract-copy {
  max-width: 650px;
}

.abstract-copy > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.73);
  font-size: 1rem;
}

.deadline {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(81, 198, 236, 0.28);
  border-left: 3px solid var(--sky);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 17px 20px;
}

.travel-image,
.travel-cards article {
  overflow: hidden;
}

.travel-layout {
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
}

.venue-image {
  aspect-ratio: 4 / 3;
  min-height: 0;
}

.venue-image > img {
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.travel-cards article {
  min-height: 218px;
  padding: 38px;
}

.faq-item button {
  min-height: 82px;
}

.partners-section {
  background:
    radial-gradient(circle at 100% 0%, rgba(32, 175, 226, 0.22), transparent 36%),
    linear-gradient(145deg, #06142b, #0a1b36);
}

footer {
  padding: 94px var(--shell-padding) 36px;
}

.footer-top {
  gap: clamp(54px, 6vw, 96px);
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
}

.footer-links {
  gap: clamp(28px, 3vw, 50px);
  grid-template-columns: minmax(110px, 0.76fr) minmax(150px, 0.95fr) minmax(220px, 1.45fr);
}

.footer-links a {
  min-height: 28px;
}

.footer-contact address {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.82rem;
  font-style: normal;
  line-height: 1.65;
  margin-top: 6px;
  max-width: 270px;
}

.footer-contact address strong {
  color: rgba(255, 255, 255, 0.9);
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  margin-bottom: 3px;
}

.film-trigger {
  appearance: none;
  background: rgba(4, 11, 27, 0.16);
  cursor: pointer;
  font: inherit;
}

.film-modal {
  align-items: center;
  display: grid;
  inset: 0;
  justify-items: center;
  padding: 24px;
  position: fixed;
  z-index: 300;
}

.film-modal[hidden] {
  display: none;
}

.film-modal-backdrop {
  backdrop-filter: blur(14px);
  background: rgba(2, 8, 21, 0.84);
  border: 0;
  cursor: pointer;
  inset: 0;
  padding: 0;
  position: absolute;
}

.film-modal-panel {
  background:
    radial-gradient(circle at 100% 0%, rgba(32, 175, 226, 0.16), transparent 34%),
    #06142b;
  border: 1px solid rgba(142, 220, 243, 0.24);
  border-radius: 24px;
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.56);
  color: var(--white);
  max-height: calc(100svh - 48px);
  overflow: auto;
  padding: clamp(18px, 2.4vw, 30px);
  position: relative;
  width: min(1060px, calc(100vw - 48px));
  z-index: 1;
}

.film-modal-header {
  align-items: flex-start;
  display: flex;
  gap: 30px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.film-modal-header p {
  color: var(--sky);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  margin: 0 0 7px;
  text-transform: uppercase;
}

.film-modal-header h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.35rem);
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin: 0;
}

.film-modal-close {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  display: flex;
  flex: 0 0 46px;
  font-size: 1.8rem;
  height: 46px;
  justify-content: center;
  line-height: 1;
  transition: background 180ms ease, transform 180ms ease;
  width: 46px;
}

.film-modal-close:hover {
  background: var(--metu-red);
  transform: rotate(5deg);
}

.film-frame {
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 16px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.film-frame iframe {
  border: 0;
  display: block;
  height: 100%;
  width: 100%;
}

.film-modal-note {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.82rem;
  line-height: 1.6;
  margin: 16px 2px 0;
}

body.film-open {
  overflow: hidden;
}

.floating-cta {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  bottom: 22px;
  opacity: 0;
  pointer-events: none;
  right: max(22px, calc((100vw - var(--content-max)) / 2 + 32px));
  transform: translateY(calc(100% + 30px));
  transition: opacity 220ms ease, transform 260ms ease, box-shadow 220ms ease;
}

.floating-cta.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.floating-cta.is-visible:hover {
  box-shadow: 0 18px 48px rgba(6, 20, 43, 0.32);
}

@media (max-width: 1180px) {
  .nav-links {
    gap: 15px;
  }

  .nav-links > a:not(.nav-cta) {
    font-size: 0.75rem;
  }

  .abstract-section {
    grid-template-columns: minmax(340px, 0.95fr) minmax(330px, 0.8fr);
  }

  .footer-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --section-space: 78px;
    --shell-padding: 20px;
  }

  html {
    scroll-padding-top: 84px;
  }

  .site-header {
    height: 74px;
  }

  .logo-tile {
    height: 50px;
    width: 98px;
  }

  .nav-links {
    box-shadow: 0 22px 52px rgba(6, 20, 43, 0.16);
    max-height: calc(100svh - 74px);
    overflow-y: auto;
    padding: 16px 20px 22px;
    top: 74px;
  }

  .nav-links > a:not(.nav-cta) {
    font-size: 0.88rem;
    min-height: 52px;
  }

  .hero {
    min-height: 840px;
    padding: 74px 20px 28px;
  }

  .hero-content {
    min-height: 596px;
    padding-top: 72px;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 14.5vw, 5rem);
    letter-spacing: -0.052em;
    line-height: 0.94;
  }

  .hero-lead {
    color: rgba(255, 255, 255, 0.84);
  }

  .hero-media {
    background-position: 68% center;
    filter: brightness(1.08) contrast(1.02) saturate(0.98);
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(3, 11, 27, 0.96) 0%, rgba(3, 11, 27, 0.75) 69%, rgba(3, 11, 27, 0.44) 100%),
      linear-gradient(90deg, rgba(3, 11, 27, 0.78), rgba(3, 11, 27, 0.12));
  }

  .hero-foot {
    gap: 26px;
  }

  .countdown-unit {
    min-width: 0;
  }

  .section-heading h2,
  .metu-title h2,
  .ecosystem-copy h2,
  .abstract-copy h2,
  .partners-lead h2,
  .footer-brand h2 {
    font-size: clamp(2.45rem, 12vw, 4rem);
    line-height: 1;
  }

  .challenge-feature,
  .mission-card {
    min-height: 430px;
  }

  .experience-grid {
    gap: 12px;
  }

  .experience-card,
  .experience-card:nth-child(even),
  .experience-card:nth-child(n + 3),
  .experience-card:last-child {
    border: 1px solid var(--line);
  }

  .metu-hero-card {
    min-height: 560px;
  }

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

  .abstract-poster {
    border-radius: 18px;
    transform: none;
  }

  .travel-cards article {
    min-height: 0;
    padding: 30px 26px;
  }

  .venue-image {
    aspect-ratio: 4 / 3;
    min-height: 0;
  }

  .venue-image > img {
    height: 100%;
  }

  .floating-cta {
    bottom: max(12px, env(safe-area-inset-bottom));
    justify-content: center;
    left: 14px;
    right: 14px;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }

  .footer-contact {
    border-top: 1px solid rgba(255, 255, 255, 0.13);
    grid-column: 1 / -1;
    padding-top: 28px;
  }

  .footer-contact address {
    max-width: 360px;
  }

  .film-modal {
    padding: 10px;
  }

  .film-modal-panel {
    border-radius: 18px;
    max-height: calc(100svh - 20px);
    padding: 16px;
    width: calc(100vw - 20px);
  }

  .film-modal-header {
    gap: 14px;
    margin-bottom: 14px;
  }

  .film-modal-close {
    flex-basis: 42px;
    height: 42px;
    width: 42px;
  }

  .film-frame {
    border-radius: 12px;
  }

  .footer-bottom {
    padding-bottom: 66px;
  }
}

@media (max-width: 440px) {
  .brand-divider,
  .summit-mark {
    display: none;
  }

  .hero-content {
    padding-top: 62px;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4rem);
  }

  .event-meta strong {
    font-size: 0.86rem;
  }

  .signal-item {
    padding: 18px;
  }

  .signal-item span {
    font-size: 0.68rem;
  }

  .abstract-copy .button,
  .partners-lead .button {
    width: 100%;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-contact {
    grid-column: auto;
  }
}

/* Final brand, legal and responsive refinements */
.menu-toggle {
  border: 1px solid rgba(7, 17, 38, 0.1);
  border-radius: 12px;
  position: relative;
}

.menu-toggle span {
  left: 9px;
  margin: 0;
  position: absolute;
  transition: top 180ms ease, transform 180ms ease;
}

.menu-toggle span:first-child {
  top: 17px;
}

.menu-toggle span:last-child {
  top: 25px;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  top: 21px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  top: 21px;
  transform: rotate(-45deg);
}

.footer-links {
  grid-template-columns:
    minmax(105px, 0.72fr)
    minmax(145px, 0.92fr)
    minmax(190px, 1.18fr)
    minmax(145px, 0.92fr);
}

.footer-legal a {
  align-items: center;
  display: inline-flex;
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 1180px) {
  .footer-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body.nav-open {
    overflow: hidden;
  }

  .site-header {
    padding-inline: 16px;
  }

  .menu-toggle {
    background: rgba(7, 17, 38, 0.035);
    flex: 0 0 44px;
  }

  .nav-links {
    border-top: 1px solid rgba(7, 17, 38, 0.08);
    padding: 12px 20px max(22px, env(safe-area-inset-bottom));
  }

  .nav-links > a:not(.nav-cta) {
    align-items: center;
    display: flex;
    padding-inline: 4px;
  }

  .nav-cta {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 54px;
  }

  .hero {
    min-height: max(810px, 100svh);
    padding-inline: var(--shell-padding);
  }

  .hero-content {
    min-height: 575px;
    padding-top: clamp(58px, 9vh, 82px);
  }

  .hero .eyebrow {
    line-height: 1.55;
    margin-bottom: 18px;
    max-width: 310px;
  }

  .hero h1 {
    max-width: 10.5ch;
  }

  .hero-lead {
    line-height: 1.62;
    margin-top: 24px;
    max-width: 35rem;
  }

  .hero-actions {
    gap: 10px;
    margin-top: 30px;
  }

  .button {
    font-size: 0.86rem;
    min-height: 56px;
  }

  .hero-foot {
    padding-top: 22px;
  }

  .event-meta {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .event-meta strong {
    line-height: 1.45;
  }

  .countdown {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 20px;
  }

  .signal-item {
    gap: 14px;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .split-heading {
    gap: 26px;
  }

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

  .program-tabs button,
  .program-tabs button:last-child {
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    min-height: 86px;
    padding: 15px 10px;
  }

  .program-tabs button:last-child {
    border-right: 0;
  }

  .program-tabs button span {
    font-size: 0.58rem;
    letter-spacing: 0.11em;
  }

  .program-tabs button strong {
    font-size: 0.82rem;
    line-height: 1.3;
  }

  .program-panel {
    gap: 28px;
    padding: 34px 24px 38px;
  }

  .program-panel h3 {
    font-size: clamp(2.15rem, 10vw, 3.2rem);
  }

  .programme-note {
    line-height: 1.5;
    text-align: left;
  }

  .experience-card {
    min-height: 300px;
    padding: 34px 28px;
  }

  .experience-card h3 {
    margin-top: 34px;
  }

  .metu-hero-card {
    min-height: 530px;
  }

  .metu-story {
    min-height: 0;
  }

  .abstract-copy,
  .partners-lead {
    max-width: 100%;
  }

  .faq-list {
    margin-top: 60px;
  }

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

  .footer-contact,
  .footer-legal {
    border-top: 1px solid rgba(255, 255, 255, 0.13);
    grid-column: 1 / -1;
    padding-top: 26px;
  }

  .footer-legal {
    flex-flow: row wrap;
    gap: 12px 22px !important;
  }

  .footer-legal > span {
    flex-basis: 100%;
  }

  .footer-bottom {
    line-height: 1.55;
    margin-top: 60px;
  }
}

@media (max-width: 440px) {
  :root {
    --shell-padding: 18px;
  }

  .logo-tile {
    width: 92px;
  }

  .hero {
    min-height: max(790px, 100svh);
  }

  .hero h1 {
    font-size: clamp(2.9rem, 14vw, 3.8rem);
  }

  .event-meta {
    gap: 14px;
  }

  .signal-item {
    min-height: 112px;
  }

  .footer-links {
    gap: 34px 24px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-contact,
  .footer-legal {
    grid-column: 1 / -1;
  }
}

@media (max-width: 360px) {
  :root {
    --shell-padding: 16px;
  }

  .hero h1 {
    font-size: 2.72rem;
  }

  .hero-lead {
    font-size: 0.92rem;
  }

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

  .program-tabs button {
    padding-inline: 7px;
  }

  .signal-item {
    padding: 16px;
  }
}

@media (hover: none) {
  .button:hover,
  .nav-cta:hover,
  .experience-card:hover {
    transform: none;
  }
}

/* Final programme, header and travel refinements */
.brand-lockup {
  min-width: 0;
}

.summit-mark {
  max-width: 180px;
}

.summit-mark b {
  font-size: 0.78rem;
  letter-spacing: 0.055em;
  line-height: 1.12;
  white-space: nowrap;
}

.summit-mark span {
  font-size: 0.63rem;
  letter-spacing: 0.2em;
}

.programme-section {
  background:
    radial-gradient(circle at 94% 4%, rgba(35, 174, 225, 0.17), transparent 28%),
    linear-gradient(145deg, #06142b 0%, #071a35 54%, #06142b 100%);
}

.programme-status {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  justify-content: space-between;
  margin: -18px 0 28px;
  padding: 17px 0;
}

.programme-status span {
  color: var(--sky);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.programme-status p {
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.76rem;
  margin: 0;
}

.program-shell {
  background: rgba(4, 15, 34, 0.48);
  border-color: rgba(255, 255, 255, 0.18);
}

.program-tabs button {
  justify-content: center;
}

.program-tabs button strong {
  line-height: 1.35;
}

.program-panel {
  display: block;
  min-height: 0;
  padding: 0;
}

.program-day-intro {
  align-items: end;
  background: rgba(255, 255, 255, 0.035);
  display: grid;
  gap: clamp(32px, 6vw, 92px);
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.58fr);
  padding: clamp(40px, 5.5vw, 72px);
}

.program-day-intro h3 {
  font-size: clamp(2.4rem, 4.4vw, 4.9rem);
  letter-spacing: -0.052em;
  line-height: 0.98;
  margin: 0;
  max-width: 850px;
}

.program-day-intro > p {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.98rem;
  line-height: 1.72;
  margin: 0;
}

.program-agenda {
  padding: 0 clamp(34px, 5.5vw, 72px) 28px;
}

.agenda-group {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: grid;
  gap: clamp(28px, 5vw, 80px);
  grid-template-columns: minmax(150px, 0.28fr) minmax(0, 1fr);
  padding: 32px 0;
}

.agenda-group-heading {
  align-self: start;
  display: grid;
  gap: 12px;
}

.agenda-group-heading span {
  color: var(--sky);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.agenda-group-heading h4 {
  font-size: 0.8rem;
  letter-spacing: 0.13em;
  margin: 0;
  text-transform: uppercase;
}

.agenda-items {
  display: grid;
  gap: 0;
  min-width: 0;
}

.agenda-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0 0 24px;
}

.agenda-item + .agenda-item {
  padding-top: 24px;
}

.agenda-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.agenda-item h5 {
  font-size: clamp(1rem, 1.45vw, 1.24rem);
  letter-spacing: -0.018em;
  line-height: 1.38;
  margin: 0;
}

.agenda-item > p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.87rem;
  line-height: 1.68;
  margin: 9px 0 0;
  max-width: 840px;
}

.agenda-item ul {
  display: grid;
  gap: 9px 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.agenda-item li {
  color: rgba(255, 255, 255, 0.67);
  font-size: 0.78rem;
  line-height: 1.5;
  padding-left: 17px;
  position: relative;
}

.agenda-item li::before {
  background: var(--sky);
  border-radius: 50%;
  content: "";
  height: 5px;
  left: 0;
  position: absolute;
  top: 0.58em;
  width: 5px;
}

.programme-throughout {
  background: linear-gradient(120deg, rgba(29, 118, 181, 0.34), rgba(255, 255, 255, 0.035));
  border: 1px solid rgba(89, 195, 233, 0.22);
  border-radius: var(--radius-md);
  display: grid;
  gap: clamp(34px, 6vw, 90px);
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  margin-top: 28px;
  padding: clamp(34px, 5vw, 58px);
}

.programme-throughout h3 {
  font-size: clamp(1.85rem, 3.1vw, 3.25rem);
  letter-spacing: -0.045em;
  line-height: 1.04;
  margin: 0;
}

.programme-throughout ul {
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.programme-throughout li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.84rem;
  line-height: 1.55;
  padding: 14px 0 14px 22px;
  position: relative;
}

.programme-throughout li:first-child {
  padding-top: 0;
}

.programme-throughout li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.programme-throughout li::before {
  color: var(--sky);
  content: "↗";
  left: 0;
  position: absolute;
}

.travel-layout > *,
.travel-cards,
.travel-cards article {
  min-width: 0;
}

.venue-image {
  background: #071126 url("public/media/metu-culture-convention-center.jpg") center / cover no-repeat;
}

body.film-open .floating-cta {
  opacity: 0 !important;
  pointer-events: none !important;
}

@media (max-width: 980px) {
  .summit-mark {
    max-width: 150px;
  }

  .summit-mark b {
    font-size: 0.68rem;
  }

  .brand-divider {
    margin-inline: 13px;
  }

  .agenda-group {
    grid-template-columns: minmax(125px, 0.25fr) minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .brand-lockup {
    flex: 1 1 auto;
    max-width: calc(100% - 58px);
  }

  .brand-divider {
    display: block;
    flex: 0 0 1px;
    height: 28px;
    margin-inline: 10px;
  }

  .summit-mark {
    display: flex;
    max-width: 132px;
  }

  .summit-mark b {
    font-size: 0.61rem;
    letter-spacing: 0.035em;
  }

  .summit-mark span {
    font-size: 0.54rem;
    margin-top: 3px;
  }

  .programme-status {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    margin-top: -8px;
  }

  .program-tabs button,
  .program-tabs button:last-child {
    min-height: 100px;
    padding: 15px 8px;
  }

  .program-tabs button strong {
    font-size: 0.69rem;
    line-height: 1.35;
  }

  .program-day-intro {
    align-items: start;
    gap: 20px;
    grid-template-columns: 1fr;
    padding: 34px 22px 32px;
  }

  .program-day-intro h3 {
    font-size: clamp(2.05rem, 10vw, 3rem);
    line-height: 1.02;
  }

  .program-day-intro > p {
    font-size: 0.91rem;
    line-height: 1.66;
  }

  .program-agenda {
    padding: 0 22px 18px;
  }

  .agenda-group {
    display: block;
    padding: 28px 0;
  }

  .agenda-group-heading {
    align-items: center;
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
  }

  .agenda-item {
    padding-bottom: 20px;
  }

  .agenda-item + .agenda-item {
    padding-top: 20px;
  }

  .agenda-item h5 {
    font-size: 1.03rem;
    line-height: 1.42;
  }

  .agenda-item > p {
    font-size: 0.86rem;
  }

  .agenda-item ul {
    grid-template-columns: 1fr;
  }

  .programme-throughout {
    gap: 28px;
    grid-template-columns: 1fr;
    padding: 30px 24px;
  }

  .programme-throughout h3 {
    font-size: 2rem;
  }

  .travel-section {
    overflow: hidden;
  }

  .travel-section .section-heading h2 {
    font-size: clamp(2.5rem, 12vw, 3.6rem);
    line-height: 1;
    max-width: 12ch;
  }

  .travel-section .section-heading > p,
  .travel-section .split-heading > p {
    font-size: 0.98rem;
    line-height: 1.68;
    max-width: 100%;
  }

  .travel-layout {
    align-items: stretch;
    display: grid;
    gap: 18px;
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
  }

  .travel-image,
  .venue-image {
    aspect-ratio: 4 / 3;
    min-height: 0;
    position: relative;
    top: auto;
    width: 100%;
  }

  .travel-image > img,
  .venue-image > img {
    height: 100%;
    object-fit: cover;
    width: 100%;
  }

  .travel-image > div {
    padding: 24px;
  }

  .travel-image strong {
    font-size: 1.34rem;
    line-height: 1.22;
    margin-top: 9px;
  }

  .travel-cards {
    display: grid;
    gap: 14px;
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
  }

  .travel-cards article {
    min-height: 0;
    overflow: hidden;
    padding: 26px 23px;
    width: 100%;
  }

  .travel-cards h3 {
    font-size: clamp(1.42rem, 7vw, 1.78rem);
    line-height: 1.16;
    margin: 15px 0 11px;
    overflow-wrap: anywhere;
  }

  .travel-cards p {
    font-size: 0.94rem;
    line-height: 1.64;
  }

  .travel-cards a {
    font-size: 0.78rem;
    line-height: 1.45;
  }

  .faq-item button {
    gap: 8px;
    grid-template-columns: 34px minmax(0, 1fr) 24px;
  }

  .faq-item button strong {
    font-size: 1.04rem;
    line-height: 1.35;
    min-width: 0;
  }

  .floating-cta {
    bottom: max(12px, env(safe-area-inset-bottom));
    left: auto;
    max-width: calc(100vw - 28px);
    min-height: 52px;
    padding: 0 17px;
    right: 14px;
    width: auto;
  }

  .floating-cta > strong {
    font-size: 0.88rem;
  }
}

@media (max-width: 440px) {
  .site-header {
    padding-inline: 12px;
  }

  .logo-tile {
    flex: 0 0 78px;
    width: 78px;
  }

  .logo-tile img {
    max-width: 76px;
  }

  .brand-divider {
    margin-inline: 8px;
  }

  .summit-mark {
    display: flex;
    max-width: 112px;
  }

  .summit-mark b {
    font-size: 0.55rem;
    white-space: normal;
  }

  .summit-mark span {
    font-size: 0.5rem;
  }

  .travel-image > div {
    padding: 20px;
  }

  .floating-cta {
    right: 12px;
  }
}

/* Programme journey and one-line summit identity */
.site-header {
  gap: clamp(18px, 2vw, 34px);
}

.brand-lockup {
  flex: 0 1 auto;
}

.summit-mark {
  color: var(--deep-navy);
  display: block;
  font-size: clamp(0.72rem, 0.84vw, 0.9rem);
  font-weight: 800;
  letter-spacing: 0.045em;
  line-height: 1;
  max-width: none;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.85);
  white-space: nowrap;
}

.nav-links {
  flex: 0 0 auto;
}

.programme-journey {
  counter-reset: journey;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  position: relative;
}

.programme-journey::before {
  background: rgba(255, 255, 255, 0.13);
  content: "";
  height: 1px;
  left: 7%;
  position: absolute;
  right: 7%;
  top: 32px;
}

.programme-journey li {
  min-width: 0;
  position: relative;
}

.programme-journey button {
  align-items: center;
  background: transparent;
  border: 0;
  color: rgba(255, 255, 255, 0.57);
  cursor: pointer;
  display: grid;
  gap: 15px;
  grid-template-columns: 64px minmax(0, 1fr) 28px;
  padding: 0 clamp(12px, 2.1vw, 34px) 22px 0;
  position: relative;
  text-align: left;
  transition: color 180ms ease;
  width: 100%;
}

.programme-journey li + li button {
  padding-left: clamp(12px, 2.1vw, 34px);
}

.journey-number {
  align-items: center;
  background: #0b1e3a;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.73);
  display: flex;
  font-size: 0.66rem;
  font-weight: 850;
  height: 64px;
  justify-content: center;
  letter-spacing: 0.15em;
  position: relative;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
  width: 64px;
  z-index: 1;
}

.journey-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.journey-copy small {
  color: var(--sky);
  font-size: 0.61rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.journey-copy strong {
  font-size: clamp(0.86rem, 1.2vw, 1.04rem);
  line-height: 1.25;
}

.journey-arrow {
  color: rgba(255, 255, 255, 0.3);
  font-size: 1.05rem;
  transition: color 180ms ease, transform 180ms ease;
}

.programme-journey button:hover,
.programme-journey li.active button {
  color: var(--white);
}

.programme-journey button:hover .journey-number,
.programme-journey li.active .journey-number {
  background: var(--sky);
  border-color: var(--sky);
  color: var(--navy);
  transform: scale(1.045);
}

.programme-journey button:hover .journey-arrow,
.programme-journey li.active .journey-arrow {
  color: var(--sky);
  transform: translate(2px, -2px);
}

.program-day-intro {
  overflow: hidden;
  position: relative;
}

.program-day-intro::after {
  color: rgba(89, 195, 233, 0.045);
  content: attr(data-day);
  font-size: clamp(8rem, 20vw, 19rem);
  font-weight: 900;
  line-height: 0.7;
  position: absolute;
  right: -0.02em;
  top: 0.07em;
}

.program-day-intro > * {
  position: relative;
  z-index: 1;
}

.panel-label {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}

.panel-label span {
  background: rgba(89, 195, 233, 0.12);
  border: 1px solid rgba(89, 195, 233, 0.25);
  border-radius: 100px;
  color: var(--sky);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  padding: 6px 10px;
  text-transform: uppercase;
}

.agenda-items {
  gap: 12px;
}

.agenda-item {
  align-items: start;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 13px;
  display: grid;
  gap: 17px;
  grid-template-columns: 34px minmax(0, 1fr);
  padding: 22px;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.agenda-item + .agenda-item {
  padding-top: 22px;
}

.agenda-item:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  padding-bottom: 22px;
}

.agenda-item:hover {
  background: rgba(89, 195, 233, 0.065);
  border-color: rgba(89, 195, 233, 0.25);
  transform: translateX(4px);
}

.agenda-sequence {
  align-items: center;
  border: 1px solid rgba(89, 195, 233, 0.23);
  border-radius: 50%;
  color: var(--sky);
  display: flex;
  font-size: 0.57rem;
  font-weight: 850;
  height: 32px;
  justify-content: center;
  letter-spacing: 0.08em;
  width: 32px;
}

.agenda-item-copy {
  min-width: 0;
}

.agenda-item-copy > p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.87rem;
  line-height: 1.68;
  margin: 9px 0 0;
  max-width: 840px;
}

.agenda-item-copy ul {
  display: grid;
  gap: 9px 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

@media (max-width: 1220px) {
  .site-header {
    gap: 14px;
  }

  .brand-divider {
    margin-inline: 13px;
  }

  .summit-mark {
    font-size: 0.68rem;
  }

  .nav-links {
    gap: 13px;
  }

  .nav-links > a:not(.nav-cta) {
    font-size: 0.7rem;
  }
}

@media (max-width: 1050px) {
  .nav-links > a:not(.nav-cta) {
    display: none;
  }

  .summit-mark {
    font-size: 0.78rem;
  }
}

@media (max-width: 760px) {
  .summit-mark {
    display: block;
    font-size: clamp(0.55rem, 2.35vw, 0.68rem);
    letter-spacing: 0.02em;
    max-width: none;
    white-space: nowrap;
  }

  .programme-journey {
    gap: 10px;
    grid-template-columns: 1fr;
    margin-bottom: 20px;
  }

  .programme-journey::before {
    bottom: 26px;
    height: auto;
    left: 27px;
    right: auto;
    top: 26px;
    width: 1px;
  }

  .programme-journey button,
  .programme-journey li + li button {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    gap: 13px;
    grid-template-columns: 52px minmax(0, 1fr) 24px;
    padding: 12px 14px 12px 0;
  }

  .programme-journey li.active button {
    background: rgba(89, 195, 233, 0.075);
    border-color: rgba(89, 195, 233, 0.23);
  }

  .journey-number {
    height: 52px;
    width: 52px;
  }

  .journey-copy strong {
    font-size: 0.93rem;
  }

  .agenda-item {
    gap: 13px;
    grid-template-columns: 30px minmax(0, 1fr);
    padding: 18px 16px;
  }

  .agenda-item + .agenda-item {
    padding-top: 18px;
  }

  .agenda-item:last-child {
    padding-bottom: 18px;
  }

  .agenda-sequence {
    height: 28px;
    width: 28px;
  }

  .agenda-item-copy ul {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 440px) {
  .logo-tile {
    flex: 0 0 70px;
    width: 70px;
  }

  .logo-tile img {
    max-width: 68px;
  }

  .brand-divider {
    display: block;
    margin-inline: 7px;
  }

  .summit-mark {
    display: block;
    font-size: clamp(0.49rem, 2.05vw, 0.58rem);
  }

  .hero-media {
    transform: none;
  }

  .signal-bar {
    overflow: hidden;
  }

  .challenge-feature {
    overflow: hidden;
  }
}