:root {
  --ink: #101f3d;
  --navy: #071c3c;
  --blue: #0b5ca8;
  --cyan: #28a7d4;
  --paper: #f7f8fb;
  --white: #fff;
  --line: #dbe2ea;
  --muted: #607089;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(7, 28, 60, 0.1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font:
    17px/1.65 Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
a {
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219, 226, 234, 0.85);
}
.nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  color: var(--navy);
  text-decoration: none;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.brand strong {
  font-weight: 780;
}
.brand span {
  color: inherit;
  font-weight: 400;
}
.navlinks {
  display: flex;
  align-items: center;
  gap: 27px;
}
.navlinks a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 650;
}
.navlinks a:hover,
.navlinks a[aria-current="page"] {
  color: var(--blue);
}
.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--ink);
  border-radius: 999px;
}
.menu {
  display: none;
  border: 0;
  background: transparent;
  font-size: 1.5rem;
}
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    120deg,
    var(--navy) 0%,
    #0d315f 62%,
    #0a4b7b 100%
  );
  color: white;
  padding: 92px 0 78px;
}
.hero:after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  right: -120px;
  top: -250px;
  box-shadow:
    0 0 0 80px rgba(255, 255, 255, 0.025),
    0 0 0 160px rgba(255, 255, 255, 0.025);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 70px;
  align-items: end;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 750;
  color: #85d5ef;
}
.hero h1,
.page-hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
  margin: 0.35em 0 0.35em;
  max-width: 900px;
}
.hero .lead {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  max-width: 760px;
  color: #e4ecf6;
}
.hero-note {
  border-left: 2px solid var(--cyan);
  padding-left: 22px;
  color: #d5e0ee;
}
.hero-portrait {
  align-self: center;
}
.hero-portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 62% center;
  border-radius: 22px;
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.3);
}
.hero-portrait .hero-note {
  margin-top: 20px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--cyan);
  color: #05213e;
  font-weight: 750;
}
.button.secondary {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.55);
}
.section {
  padding: 88px 0;
}
.section.alt {
  background: var(--paper);
}
.section-head {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 42px;
}
.section h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin: 0;
}
#felder .section-head h2 {
  font-size: clamp(1.55rem, 2.7vw, 2.25rem);
}
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.card {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 30px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: #bed2e6;
}
.card .num {
  font-size: 0.75rem;
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0.12em;
}
.card h3 {
  font-size: 1.55rem;
  line-height: 1.18;
  margin: 38px 0 12px;
}
.card p {
  color: var(--muted);
  margin: 0 0 20px;
}
.card .link {
  margin-top: auto;
  font-weight: 750;
  color: var(--blue);
}
.proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.proof div {
  padding: 26px 22px;
  border-right: 1px solid var(--line);
}
.proof div:last-child {
  border-right: 0;
}
.proof strong {
  display: block;
  font-size: 1.06rem;
}
.proof span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 4px;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.portrait {
  border-radius: 24px;
  overflow: hidden;
  background: #dce5ef;
  box-shadow: var(--shadow);
  aspect-ratio: 4/5;
}
.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.profile-intro {
  max-width: 780px;
  margin-inline: auto;
}
.profile-intro .quote {
  text-align: center;
}
.quote {
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.28;
  letter-spacing: -0.025em;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 24px 0;
}
.tag {
  padding: 7px 11px;
  border-radius: 999px;
  background: #e9f3fb;
  color: #0b4e86;
  font-size: 0.84rem;
  font-weight: 700;
}
.cta {
  background: var(--navy);
  color: #fff;
  border-radius: 26px;
  padding: 55px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0 0 10px;
}
.cta p {
  color: #ccd9e9;
  margin: 0;
}
.cta > .button {
  min-width: 230px;
  min-height: 54px;
  justify-content: center;
  text-align: center;
  padding: 15px 26px;
  background: #fff;
  color: var(--navy);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.cta > .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.28);
}
.footer {
  padding: 36px 0;
  background: #041329;
  color: #cbd8e8;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}
.footer a {
  color: #fff;
  text-decoration: none;
  margin-left: 18px;
}
.page-hero {
  padding: 78px 0 65px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  max-width: 950px;
}
.page-hero p {
  font-size: 1.2rem;
  max-width: 790px;
  color: var(--muted);
}
.content-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 70px;
}
.side-title {
  position: sticky;
  top: 110px;
}
.side-title h2 {
  font-size: 2rem;
  margin: 0 0 12px;
}
.side-title p {
  color: var(--muted);
}
.stack {
  display: grid;
  gap: 16px;
}
.panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.panel h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}
.panel p {
  margin: 0;
  color: var(--muted);
}
.panel ul {
  margin: 13px 0 0;
  padding-left: 20px;
}
.accent {
  border-left: 4px solid var(--cyan);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.case-card {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.case-card .meta {
  display: block;
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.case-card h3 {
  margin: 0 0 8px;
  font-size: 1.25rem;
  line-height: 1.25;
}
.case-card p {
  margin: 0;
  color: var(--muted);
}
.evidence {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.evidence h3 {
  margin: 0 0 14px;
}
.evidence-list {
  display: grid;
  gap: 10px;
}
.evidence-item {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.evidence-item strong {
  color: var(--navy);
}
.evidence-item span {
  color: var(--muted);
}
.guest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 28px;
}
.guest-heading {
  margin-top: 78px;
}
.guest-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.guest-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.guest-card > div {
  padding: 24px;
}
.guest-card .meta {
  display: block;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.guest-card h3 {
  margin: 0 0 8px;
  font-size: 1.3rem;
  line-height: 1.25;
}
.guest-card p {
  margin: 0;
  color: var(--muted);
}
.publication-groups {
  display: grid;
  grid-template-columns: 0.85fr 0.95fr 1.4fr;
  gap: 18px;
  align-items: start;
}
.publication-group {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.publication-group h3 {
  margin: 0 0 14px;
}
.publication-group ul,
.talk-list {
  margin: 0;
  padding-left: 20px;
}
.publication-group li,
.talk-list li {
  margin-bottom: 12px;
  color: var(--muted);
}
.publication-group:last-child li {
  font-size: 0.93rem;
  line-height: 1.55;
}
.keynote-gallery {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 18px;
}
.keynote-impressions h2 {
  font-size: 2rem;
}
.keynote-gallery figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.keynote-gallery img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}
.keynote-stage img {
  aspect-ratio: 16 / 9;
}
.keynote-portrait img {
  aspect-ratio: 4 / 5;
  object-position: 54% 42%;
}
.keynote-gallery figcaption {
  padding: 14px 18px;
  color: var(--muted);
  font-size: 0.88rem;
}
.talk-groups {
  display: grid;
  gap: 14px;
}
.talk-groups details {
  padding: 0 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.talk-groups summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 0;
  color: var(--navy);
  font-size: 1.2rem;
  font-weight: 800;
}
.talk-groups summary::-webkit-details-marker {
  display: none;
}
.talk-groups summary::after {
  content: "+";
  float: right;
  color: var(--blue);
}
.talk-groups details[open] summary::after {
  content: "–";
}
.talk-list {
  padding-bottom: 22px;
}
.expertise-ranking {
  counter-reset: expertise;
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 18px;
}
.expertise-ranking li {
  counter-increment: expertise;
  display: grid;
  grid-template-columns: 38px 1fr;
  column-gap: 14px;
}
.expertise-ranking li::before {
  content: counter(expertise, decimal-leading-zero);
  color: var(--blue);
  font-weight: 800;
}
.expertise-ranking strong,
.expertise-ranking span {
  grid-column: 2;
}
.expertise-ranking span {
  color: var(--muted);
  margin-top: 3px;
}
.legal {
  max-width: 850px;
}
.legal h2 {
  margin-top: 2em;
}
.legal p,
.legal li {
  color: #42516a;
}
.small {
  font-size: 0.88rem;
  color: var(--muted);
}
@media (max-width: 800px) {
  .publication-groups {
    grid-template-columns: 1fr;
  }
  .keynote-gallery {
    grid-template-columns: 1fr;
  }
  .keynote-gallery img {
    min-height: 0;
  }
  .nav {
    height: 68px;
  }
  .menu {
    display: block;
  }
  .navlinks {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    padding: 20px;
    background: white;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
  }
  .navlinks.open {
    display: flex;
  }
  .nav-cta {
    border: 0;
    padding: 0;
  }
  .hero {
    padding: 64px 0;
  }
  .hero-grid,
  .section-head,
  .split,
  .content-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-portrait {
    display: grid;
    grid-template-columns: minmax(180px, 280px) 1fr;
    gap: 24px;
    align-items: center;
  }
  .hero-portrait img {
    aspect-ratio: 4 / 3;
  }
  .hero-portrait .hero-note {
    margin-top: 0;
  }
  .pillars {
    grid-template-columns: 1fr;
  }
  .proof {
    grid-template-columns: 1fr 1fr;
  }
  .proof div:nth-child(2) {
    border-right: 0;
  }
  .proof div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
  .section {
    padding: 64px 0;
  }
  .cta {
    padding: 34px;
    display: block;
  }
  .cta .button {
    margin-top: 24px;
    width: 100%;
  }
  .footer-grid {
    display: block;
  }
  .footer nav {
    margin-top: 12px;
  }
  .footer a {
    margin: 0 18px 0 0;
  }
  .side-title {
    position: static;
  }
  .case-grid {
    grid-template-columns: 1fr;
  }
  .guest-grid {
    grid-template-columns: 1fr;
  }
  .evidence-item {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}
@media (max-width: 480px) {
  .wrap {
    width: min(calc(100% - 26px), var(--max));
  }
  .hero h1 {
    font-size: 2.65rem;
  }
  .hero-portrait {
    grid-template-columns: 1fr;
  }
  .hero-portrait img {
    aspect-ratio: 16 / 10;
    object-position: 55% 38%;
  }
  .hero-portrait .hero-note {
    margin-top: 0;
  }
  .proof {
    grid-template-columns: 1fr;
  }
  .proof div {
    border-right: 0;
    border-bottom: 1px solid var(--line) !important;
  }
  .proof div:last-child {
    border-bottom: 0 !important;
  }
  .card {
    min-height: 270px;
  }
}