:root {
  --navy: #172c45;
  --research-blue: #1f4e79;
  --cyan: #b6e6e9;
  --teal: #3fb7b8;
  --warm: #f7f8f8;
  --ink: #1c2733;
  --muted: #526173;
  --border: #d9e2e7;
  --success: #39a76d;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(23, 44, 69, 0.12);
  --font-body: "Manrope", sans-serif;
  --font-heading: "Sora", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--warm);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
}

body.menu-open {
  overflow: hidden;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(63, 183, 184, 0.45);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  color: var(--navy);
  font-family: var(--font-heading);
  line-height: 1.12;
  margin: 0;
}

p {
  margin: 0;
}

.container {
  margin: 0 auto;
  max-width: 1180px;
  padding: 0 24px;
  width: 100%;
}

.site-header {
  background: rgba(247, 248, 248, 0.94);
  border-bottom: 1px solid rgba(217, 226, 231, 0.85);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-shell {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  min-height: 84px;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  min-width: 210px;
}

.brand img {
  border-radius: 8px;
  height: 44px;
  width: auto;
}

.brand span {
  color: var(--navy);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.nav-menu {
  align-items: center;
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  border-radius: 999px;
  color: var(--muted);
  display: inline-flex;
  font-size: 14px;
  font-weight: 800;
  padding: 10px 13px;
}

.nav-menu a:hover,
.nav-menu a.is-active {
  background: rgba(182, 230, 233, 0.42);
  color: var(--navy);
}

.nav-actions {
  align-items: center;
  display: flex;
  gap: 12px;
}

.menu-toggle {
  align-items: center;
  background: var(--navy);
  border: 0;
  border-radius: 8px;
  color: var(--white);
  display: none;
  font: 800 14px/1 var(--font-body);
  gap: 8px;
  padding: 12px 14px;
}

.menu-toggle span {
  background: currentColor;
  border-radius: 2px;
  display: block;
  height: 2px;
  position: relative;
  width: 18px;
}

.menu-toggle span::before,
.menu-toggle span::after {
  background: currentColor;
  border-radius: inherit;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  width: 18px;
}

.menu-toggle span::before {
  top: -6px;
}

.menu-toggle span::after {
  top: 6px;
}

.btn {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  display: inline-flex;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  justify-content: center;
  line-height: 1.1;
  min-height: 46px;
  padding: 13px 18px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary:hover {
  background: var(--research-blue);
}

.btn-accent {
  background: var(--cyan);
  color: var(--navy);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
}

.btn-light {
  background: var(--white);
  color: var(--navy);
}

.btn[aria-disabled="true"],
.btn-disabled {
  background: #eef3f4;
  color: #7b8a99;
  pointer-events: none;
}

.hero-carousel {
  background: var(--navy);
  color: var(--white);
  min-height: 670px;
  overflow: hidden;
  position: relative;
}

.hero-slide {
  display: grid;
  inset: 0;
  min-height: 670px;
  opacity: 0;
  place-items: center;
  position: absolute;
  transition: opacity 700ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  position: relative;
}

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

.hero-slide::after {
  background:
    linear-gradient(90deg, rgba(23, 44, 69, 0.92) 0%, rgba(23, 44, 69, 0.7) 43%, rgba(23, 44, 69, 0.18) 100%),
    linear-gradient(0deg, rgba(23, 44, 69, 0.7), rgba(23, 44, 69, 0.04));
  content: "";
  inset: 0;
  position: absolute;
}

.hero-content {
  max-width: 760px;
  padding: 92px 0 120px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  color: var(--teal);
  display: inline-flex;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.hero-content h1,
.page-hero h1 {
  color: var(--white);
  font-size: clamp(2.35rem, 6vw, 4.6rem);
  letter-spacing: 0;
  margin-bottom: 22px;
}

.hero-content p,
.page-hero p {
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 2vw, 1.22rem);
  line-height: 1.7;
  max-width: 680px;
}

.hero-actions,
.cta-actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-controls {
  align-items: center;
  bottom: 34px;
  display: flex;
  gap: 12px;
  left: 50%;
  max-width: 1180px;
  padding: 0 24px;
  position: absolute;
  transform: translateX(-50%);
  width: 100%;
  z-index: 3;
}

.hero-dot {
  background: rgba(255, 255, 255, 0.34);
  border: 0;
  border-radius: 999px;
  height: 10px;
  padding: 0;
  width: 28px;
}

.hero-dot.is-active {
  background: var(--cyan);
}

.hero-pause {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  margin-left: 6px;
  min-height: 36px;
  padding: 8px 12px;
}

.topic-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.topic-track {
  animation: ticker 26s linear infinite;
  display: flex;
  gap: 14px;
  padding: 16px 0;
  width: max-content;
}

.topic-track span,
.chip {
  background: rgba(182, 230, 233, 0.45);
  border: 1px solid rgba(63, 183, 184, 0.25);
  border-radius: 999px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  white-space: nowrap;
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

.section {
  padding: 88px 0;
}

.section-muted {
  background: #eef4f5;
}

.section-header {
  align-items: end;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.7fr);
  margin-bottom: 34px;
}

.section-header h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.section-header p {
  color: var(--muted);
  font-size: 17px;
}

.split {
  align-items: center;
  display: grid;
  gap: 46px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
}

.split img {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  box-shadow: var(--shadow);
  object-fit: cover;
  width: 100%;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  margin-top: 20px;
}

.metrics-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 34px;
}

.metric {
  border-left: 3px solid var(--teal);
  padding-left: 16px;
}

.metric strong {
  color: var(--navy);
  display: block;
  font-family: var(--font-heading);
  font-size: 34px;
  line-height: 1;
}

.metric span {
  color: var(--muted);
  display: block;
  font-size: 14px;
  margin-top: 8px;
}

.grid {
  display: grid;
  gap: 22px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 12px 35px rgba(23, 44, 69, 0.06);
  overflow: hidden;
}

.text-card {
  padding: 26px;
}

.text-card h3 {
  font-size: 21px;
  margin-bottom: 12px;
}

.text-card p,
.event-card p,
.insight-card p {
  color: var(--muted);
}

.research-card {
  min-height: 224px;
}

.research-card .marker {
  background: var(--cyan);
  border-radius: 8px;
  height: 42px;
  margin-bottom: 24px;
  width: 42px;
}

.event-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.event-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.event-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.tag {
  background: #eef4f5;
  border-radius: 999px;
  color: var(--research-blue);
  font-size: 12px;
  font-weight: 900;
  padding: 6px 9px;
}

.tag-live {
  background: rgba(57, 167, 109, 0.13);
  color: #207449;
}

.event-body h3 {
  font-size: 23px;
  margin-bottom: 12px;
}

.event-body .card-actions {
  margin-top: auto;
  padding-top: 24px;
}

.collab-list {
  counter-reset: steps;
  display: grid;
  gap: 18px;
}

.collab-step {
  border-bottom: 1px solid var(--border);
  display: grid;
  gap: 18px;
  grid-template-columns: 72px 1fr;
  padding: 20px 0;
}

.collab-step::before {
  color: var(--teal);
  content: "0" counter(steps);
  counter-increment: steps;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
}

.collab-step h3 {
  font-size: 22px;
  margin-bottom: 6px;
}

.cta-band {
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
  padding: 72px 0;
  position: relative;
}

.cta-band::after {
  background: rgba(182, 230, 233, 0.18);
  border-radius: 999px;
  content: "";
  height: 320px;
  position: absolute;
  right: -120px;
  top: -120px;
  width: 320px;
}

.cta-band h2 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.2rem);
  max-width: 800px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.78);
  margin-top: 18px;
  max-width: 720px;
}

.cta-band .container {
  position: relative;
  z-index: 1;
}

.insight-card img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
}

.insight-body {
  padding: 22px;
}

.insight-body h3 {
  font-size: 21px;
  margin: 10px 0;
}

.page-hero {
  background: var(--navy);
  color: var(--white);
  min-height: 420px;
  overflow: hidden;
  position: relative;
}

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

.page-hero::after {
  background: linear-gradient(90deg, rgba(23, 44, 69, 0.9), rgba(23, 44, 69, 0.42));
  content: "";
  inset: 0;
  position: absolute;
}

.page-hero .container {
  padding-bottom: 82px;
  padding-top: 86px;
  position: relative;
  z-index: 1;
}

.breadcrumbs {
  color: rgba(255, 255, 255, 0.78);
  display: flex;
  flex-wrap: wrap;
  font-size: 14px;
  gap: 8px;
  margin-bottom: 18px;
}

.breadcrumbs a {
  color: var(--cyan);
}

.filter-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  margin-bottom: 32px;
  padding: 18px;
}

.filter-panel input,
.filter-panel select {
  background: #f9fbfb;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--ink);
  font: 700 14px/1.2 var(--font-body);
  min-height: 46px;
  padding: 0 14px;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  background: #f0f6f6;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font: 800 13px/1 var(--font-body);
  min-height: 40px;
  padding: 10px 13px;
}

.filter-chip.is-active {
  background: var(--navy);
  color: var(--white);
}

.empty-state {
  background: var(--white);
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  display: none;
  padding: 28px;
  text-align: center;
}

.event-detail-layout {
  align-items: start;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 0.72fr) minmax(300px, 0.28fr);
}

.detail-main > * + * {
  margin-top: 34px;
}

.detail-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 26px;
}

.detail-panel h2,
.detail-panel h3 {
  margin-bottom: 14px;
}

.detail-panel p + p {
  margin-top: 14px;
}

.sticky-aside {
  position: sticky;
  top: 112px;
}

.info-list {
  display: grid;
  gap: 14px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.info-list li {
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  padding-bottom: 14px;
}

.info-list strong {
  color: var(--navy);
  display: block;
  font-family: var(--font-heading);
}

.topic-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.agenda-list,
.plain-list {
  color: var(--muted);
  margin: 18px 0 0;
  padding-left: 20px;
}

.agenda-list li,
.plain-list li {
  margin-bottom: 10px;
}

.gallery-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.gallery-grid img {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  object-fit: cover;
  width: 100%;
}

.contact-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: 0.8fr 1fr;
}

.contact-link {
  color: var(--research-blue);
  font-weight: 900;
}

.site-footer {
  background: #101f31;
  color: rgba(255, 255, 255, 0.76);
  padding: 64px 0 30px;
}

.footer-grid {
  display: grid;
  gap: 34px;
  grid-template-columns: 1.2fr repeat(3, 0.7fr);
}

.footer-brand img {
  border-radius: 8px;
  height: 64px;
  margin-bottom: 18px;
  width: auto;
}

.site-footer h3 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 14px;
}

.site-footer ul {
  display: grid;
  gap: 9px;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
  margin-top: 42px;
  padding-top: 24px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1080px) {
  .nav-shell {
    min-height: 76px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-menu {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    gap: 0;
    left: 0;
    padding: 12px 24px 24px;
    position: fixed;
    right: 0;
    top: 76px;
  }

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

  .nav-menu li,
  .nav-menu a {
    width: 100%;
  }

  .nav-menu a {
    border-radius: 8px;
    padding: 14px 12px;
  }

  .nav-actions .btn {
    display: none;
  }

  .section-header,
  .split,
  .event-detail-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .sticky-aside {
    position: static;
  }

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

@media (max-width: 720px) {
  .container {
    padding: 0 18px;
  }

  .brand {
    min-width: auto;
  }

  .brand span {
    display: none;
  }

  .hero-carousel,
  .hero-slide {
    min-height: 610px;
  }

  .hero-slide::after,
  .page-hero::after {
    background: linear-gradient(0deg, rgba(23, 44, 69, 0.94), rgba(23, 44, 69, 0.5));
  }

  .hero-content {
    padding: 70px 0 106px;
  }

  .hero-content h1,
  .page-hero h1 {
    font-size: 2.35rem;
  }

  .hero-actions,
  .cta-actions,
  .card-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-controls {
    bottom: 24px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 26px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .metrics-grid,
  .gallery-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .collab-step {
    grid-template-columns: 1fr;
  }

  .filter-buttons {
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .filter-chip {
    white-space: nowrap;
  }

  .page-hero .container {
    padding-bottom: 62px;
    padding-top: 62px;
  }
}