:root {
  --ink: #111827;
  --muted: #5f6b7a;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --line: #d9dee7;
  --navy: #14213d;
  --teal: #0f766e;
  --coral: #c2410c;
  --gold: #b7791f;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 250, 247, 0.88);
  border-bottom: 1px solid rgba(217, 222, 231, 0.8);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1160px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
  color: var(--navy);
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  font-size: 0.9rem;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
  background: #eef4f3;
  outline: none;
}

.nav-links .social-link {
  width: 42px;
  height: 42px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  color: #fff;
  background: #0a66c2;
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.nav-links .social-link:hover,
.nav-links .social-link:focus-visible {
  color: #fff;
  background: var(--navy);
}

.nav-links .nav-highlight {
  color: #fff;
  background: var(--teal);
}

.nav-links .nav-highlight:hover,
.nav-links .nav-highlight:focus-visible {
  color: #fff;
  background: var(--navy);
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 17, 33, 0.88), rgba(9, 17, 33, 0.54), rgba(9, 17, 33, 0.18)),
    linear-gradient(0deg, rgba(9, 17, 33, 0.72), rgba(9, 17, 33, 0.04) 48%);
}

.hero-media,
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media img {
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 170px 0 170px;
}

.eyebrow,
.section-kicker,
.tag {
  margin: 0 0 14px;
  color: #9ce0d6;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(4.2rem, 9vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.speaker-ribbon {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin: 0 0 18px;
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: #fff;
  background: rgba(15, 118, 110, 0.62);
  font-size: 0.86rem;
  font-weight: 900;
  text-decoration: none;
  backdrop-filter: blur(14px);
}

.speaker-ribbon:hover,
.speaker-ribbon:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  outline: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.profile-photo {
  position: absolute;
  right: max(16px, calc((100vw - 1160px) / 2));
  top: 150px;
  z-index: 3;
  width: min(320px, 28vw);
  aspect-ratio: 1;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

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

.button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero-panel {
  position: absolute;
  right: max(16px, calc((100vw - 1160px) / 2));
  bottom: 44px;
  z-index: 3;
  width: min(470px, calc(100% - 32px));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(8, 16, 31, 0.66);
  backdrop-filter: blur(18px);
}

.hero-panel div {
  min-width: 0;
  padding: 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-panel div:last-child {
  border-right: 0;
}

.hero-panel strong {
  display: block;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  line-height: 1.1;
}

.hero-panel span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  line-height: 1.35;
}

.section {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 96px 0;
}

.section-kicker {
  color: var(--teal);
}

.intro-grid,
.section-heading,
.focus,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 56px;
}

.intro {
  padding-top: 76px;
  padding-bottom: 76px;
}

.intro-grid {
  align-items: center;
  gap: 42px;
}

h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--navy);
  line-height: 1.18;
  letter-spacing: 0;
}

p {
  color: var(--muted);
}

.intro-copy p:first-child {
  margin-top: 0;
}

.profile-identity {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  align-items: center;
  gap: 28px;
}

.profile-section-photo {
  position: relative;
  width: 210px;
  aspect-ratio: 1;
  margin: 0;
  padding: 9px;
  border-radius: 50%;
  background:
    linear-gradient(var(--paper), var(--paper)) padding-box,
    linear-gradient(135deg, var(--teal), var(--coral), var(--gold)) border-box;
  border: 2px solid transparent;
  box-shadow: 0 24px 60px rgba(17, 24, 39, 0.14);
}

.profile-section-photo::after {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  pointer-events: none;
}

.profile-section-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.profile-summary-card {
  min-width: 0;
}

.profile-summary-card h2 {
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.profile-summary-card p {
  margin: 16px 0 0;
  color: var(--coral);
  font-weight: 900;
}

.profile-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.profile-badge-row span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid #c9d8d5;
  border-radius: 999px;
  color: var(--navy);
  background: #eef4f3;
  font-size: 0.78rem;
  font-weight: 900;
}

.conference {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 44px;
  align-items: stretch;
  border-top: 1px solid var(--line);
}

.conference-visual {
  min-height: 520px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--navy);
  box-shadow: var(--shadow);
}

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

.conference-copy {
  padding: 36px 0;
  align-self: center;
}

.conference-copy p {
  max-width: 660px;
  margin: 22px 0 0;
  font-size: 1.06rem;
}

.conference-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.conference-stats div {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.conference-stats strong,
.conference-stats span {
  display: block;
}

.conference-stats strong {
  color: var(--navy);
  font-size: 0.96rem;
  line-height: 1.2;
}

.conference-stats span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.section-heading {
  align-items: end;
  margin-bottom: 34px;
}

.section-heading p {
  max-width: 460px;
  margin: 0;
  justify-self: end;
  font-size: 1.05rem;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-card {
  min-height: 270px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 46px rgba(17, 24, 39, 0.07);
}

.article-card.feature {
  grid-column: span 2;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  overflow: hidden;
}

.article-card.feature img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.article-body {
  padding: 30px;
}

.tag {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--coral);
}

.article-card h3 {
  font-size: 1.35rem;
}

.article-card.feature h3 {
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

.article-card p {
  margin-bottom: 0;
}

.article-card a {
  display: inline-flex;
  margin-top: 20px;
  color: var(--teal);
  font-weight: 900;
  text-decoration: none;
}

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

.article-tile-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-tile {
  position: relative;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 46px rgba(17, 24, 39, 0.07);
  overflow: hidden;
}

.article-tile::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--teal), var(--coral), var(--gold));
}

.tile-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 28px;
}

.tile-topline span,
.tile-topline time {
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1.2;
}

.tile-topline span {
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tile-topline time {
  color: var(--muted);
  text-align: right;
}

.tile-number {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 50%;
  color: #fff;
  background: var(--navy);
  font-size: 0.88rem;
  font-weight: 900;
}

.article-tile h3 {
  min-height: 64px;
  font-size: clamp(1.25rem, 2vw, 1.58rem);
}

.article-tile p {
  margin: 16px 0 0;
  font-size: 0.96rem;
}

.tile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: auto 0 20px;
  padding-top: 22px;
}

.tile-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--navy);
  background: #eef4f3;
  font-size: 0.74rem;
  font-weight: 900;
}

.article-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--navy);
  font-weight: 900;
  text-decoration: none;
}

.article-link:hover,
.article-link:focus-visible {
  background: var(--teal);
  outline: none;
}

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

.publication-list {
  display: grid;
  gap: 14px;
}

.publication {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.pub-date {
  color: var(--coral);
  font-weight: 900;
}

.publication h3 {
  font-size: 1.2rem;
}

.publication p {
  margin: 8px 0 12px;
}

.publication span {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--navy);
  background: #eef4f3;
  font-size: 0.78rem;
  font-weight: 900;
}

.focus {
  width: 100%;
  max-width: none;
  padding: 96px max(16px, calc((100vw - 1160px) / 2));
  background: #eef4f3;
}

.focus-grid {
  display: grid;
  gap: 16px;
}

.focus-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid #c9d8d5;
}

.focus-item span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--teal);
  font-weight: 900;
}

.focus-item p {
  grid-column: 2;
  margin: -8px 0 0;
}

.contact {
  align-items: start;
}

.contact p {
  max-width: 520px;
  font-size: 1.05rem;
}

.contact-links {
  display: grid;
  gap: 14px;
}

.contact-links a {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
  box-shadow: 0 16px 46px rgba(17, 24, 39, 0.06);
}

.contact-links span {
  display: block;
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-links strong {
  display: block;
  margin-top: 6px;
  color: var(--navy);
  font-size: 1.35rem;
  line-height: 1.2;
}

.footer {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 48px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--teal);
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 880px) {
  .nav {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    padding: 150px 0 260px;
  }

  .profile-photo {
    top: auto;
    right: 16px;
    bottom: 250px;
    width: min(190px, 42vw);
  }

  .hero-panel {
    left: 16px;
    right: 16px;
    grid-template-columns: 1fr;
  }

  .hero-panel div {
    padding: 16px 18px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .hero-panel div:last-child {
    border-bottom: 0;
  }

  .intro-grid,
  .conference,
  .section-heading,
  .focus,
  .contact {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section {
    padding: 72px 0;
  }

  .profile-identity {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 20px;
  }

  .profile-section-photo {
    width: 160px;
  }

  .section-heading p {
    justify-self: start;
  }

  .conference-visual {
    min-height: 320px;
  }

  .conference-copy {
    padding: 0;
  }

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

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

  .article-card.feature {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .article-card.feature img {
    min-height: 260px;
  }

  .article-tile-grid {
    grid-template-columns: 1fr;
  }

  .article-tile {
    min-height: auto;
  }

  .article-tile h3 {
    min-height: auto;
  }

  .publication {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .focus {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 4rem;
  }

  .hero-content {
    padding-bottom: 300px;
  }

  .profile-photo {
    left: 16px;
    right: auto;
    bottom: 196px;
    width: 148px;
  }

  .button {
    width: 100%;
  }

  .profile-identity {
    grid-template-columns: 1fr;
  }

  .profile-section-photo {
    width: 150px;
  }

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

  .focus-item p {
    grid-column: auto;
    margin-top: 4px;
  }
}