:root {
  --ink: #15212d;
  --muted: #596b78;
  --paper: #fbfcfd;
  --mist: #edf5f9;
  --sage: #6d91a8;
  --sage-dark: #1f4965;
  --clay: #6f82b8;
  --line: #d5e2ea;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(21, 33, 45, 0.14);
}

* {
  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;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px clamp(20px, 4vw, 56px);
  color: var(--white);
  background: rgba(21, 33, 45, 0.54);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 35px;
  height: 32px;
  flex: 0 0 35px;
  color: var(--ink);
}

.brand-symbol {
  display: block;
  width: 34px;
  height: 42px;
  object-fit: contain;
  transform: translateY(-2px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
  font-size: 0.93rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--white);
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  padding: 112px clamp(20px, 6vw, 84px) 72px;
  background: linear-gradient(105deg, #15212d 0%, #1f4965 46%, #f4f8fb 46%, #ffffff 100%);
}

.hero img {
  position: absolute;
  top: 0;
  right: clamp(0px, 4vw, 64px);
  bottom: 0;
  z-index: -2;
  width: min(52vw, 680px);
  height: 100%;
  object-fit: contain;
  object-position: right bottom;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(21, 33, 45, 0.88), rgba(21, 33, 45, 0.42) 46%, rgba(21, 33, 45, 0.02) 68%),
    linear-gradient(0deg, rgba(21, 33, 45, 0.44), rgba(21, 33, 45, 0.02) 42%);
}

.hero-content {
  width: min(660px, 100%);
  color: var(--white);
}

.eyebrow,
.section-kicker,
.tag {
  margin: 0 0 12px;
  color: var(--clay);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #dce8ff;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 13ch;
  font-size: clamp(3.2rem, 9vw, 7.2rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 4.1rem);
  font-weight: 760;
  letter-spacing: 0;
}

h3 {
  font-size: 1.18rem;
}

.hero-copy {
  max-width: 560px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 1.5vw, 1.26rem);
}

@media (min-width: 901px) {
  .site-header {
    color: var(--ink);
    background: rgba(251, 251, 248, 0.84);
  }

  .brand-mark {
    color: var(--ink);
  }

  .nav-links a {
    color: rgba(21, 33, 45, 0.7);
  }

  .nav-links a:hover {
    color: var(--ink);
  }

  .hero {
    min-height: 64vh;
    align-items: start;
    justify-items: center;
    padding: 82px clamp(20px, 6vw, 84px) 24px;
    background:
      radial-gradient(ellipse at 50% 76%, rgba(241, 247, 252, 0.92) 0%, rgba(221, 235, 244, 0.74) 24%, rgba(142, 176, 197, 0.26) 44%, rgba(31, 73, 101, 0) 66%),
      radial-gradient(circle at 18% 16%, rgba(25, 61, 86, 0.78) 0%, rgba(25, 61, 86, 0) 38%),
      radial-gradient(circle at 82% 20%, rgba(61, 101, 128, 0.62) 0%, rgba(61, 101, 128, 0) 36%),
      linear-gradient(160deg, #193d56 0%, #2f6383 28%, #6d91a8 57%, #a7c2d1 73%, #255676 100%),
      var(--paper);
  }

  .hero img {
    top: clamp(82px, 8.5vw, 108px);
    right: auto;
    left: 50%;
    bottom: auto;
    width: min(27vw, 340px);
    height: min(27vw, 340px);
    padding: 0;
    border: 1.5px solid rgba(31, 73, 101, 0.36);
    border-radius: 50%;
    object-fit: cover;
    object-position: center 18%;
    transform: translateX(-50%);
    background: var(--mist);
    box-shadow: 0 22px 54px rgba(31, 73, 101, 0.16);
  }

  .hero-shade {
    display: none;
  }

  .hero-content {
    width: min(620px, 100%);
    margin-top: min(30vw, 370px);
    color: var(--ink);
    text-align: center;
  }

  .hero .eyebrow {
    color: var(--sage-dark);
  }

  h1 {
    max-width: none;
    font-size: clamp(2rem, 3.6vw, 3.7rem);
    font-weight: 720;
  }

  .hero-copy {
    max-width: 540px;
    margin: 18px auto 0;
    color: #334754;
    font-size: clamp(1rem, 1.2vw, 1.16rem);
  }

  .hero-actions {
    display: none;
    justify-content: center;
  }

  .hero-actions .primary {
    display: none;
  }

}

@media (min-width: 901px) {
  .intro-band {
    border-top: 2px solid rgba(31, 73, 101, 0.28);
    box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.8);
  }
}

.hero-actions,
.contact-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 800;
  line-height: 1.1;
}

.button.primary {
  color: var(--white);
  background: var(--sage-dark);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.08);
}

@media (min-width: 901px) {
  .button.secondary {
    color: var(--sage-dark);
    border-color: rgba(31, 73, 101, 0.28);
    background: rgba(255, 255, 255, 0.54);
  }
}

.button.full {
  width: 100%;
}

.intro-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-stat {
  min-height: 148px;
  padding: 32px clamp(20px, 4vw, 56px);
  background: var(--white);
}

.intro-stat strong,
.intro-stat span {
  display: block;
}

.intro-stat strong {
  color: var(--sage-dark);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.intro-stat span {
  max-width: 280px;
  margin-top: 12px;
  color: var(--muted);
}

.section {
  padding: clamp(72px, 9vw, 132px) clamp(20px, 6vw, 84px);
}

.profile-section {
  background: var(--mist);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(280px, 0.72fr);
  gap: clamp(36px, 7vw, 104px);
  align-items: start;
}

.profile-detail {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.prose {
  color: var(--muted);
  font-size: 1.08rem;
}

.prose p {
  margin: 0;
}

.prose p + p {
  margin-top: 22px;
}

.contact-section p,
.site-footer p {
  color: var(--muted);
}

.drawer-list {
  width: 100%;
  border-top: 1px solid rgba(31, 73, 101, 0.22);
}

.drawer-item {
  border-bottom: 1px solid rgba(31, 73, 101, 0.22);
}

.drawer-item summary {
  display: inline-grid;
  grid-template-columns: auto minmax(0, auto);
  gap: 12px;
  align-items: center;
  min-height: 68px;
  padding: 18px 0;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.drawer-item summary::-webkit-details-marker {
  display: none;
}

.drawer-item summary::before {
  content: "";
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(31, 73, 101, 0.24);
  border-radius: 50%;
  background:
    linear-gradient(45deg, transparent 46%, var(--sage-dark) 47% 55%, transparent 56%) 8px 8px / 8px 8px no-repeat,
    linear-gradient(-45deg, transparent 46%, var(--sage-dark) 47% 55%, transparent 56%) 11px 8px / 8px 8px no-repeat;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.drawer-item[open] summary::before {
  transform: rotate(180deg);
}

.drawer-item summary:hover::before,
.drawer-item summary:active::before {
  border-color: rgba(31, 73, 101, 0.46);
  background-color: rgba(109, 145, 168, 0.12);
}

.drawer-item summary:active::before {
  transform: scale(0.94);
}

.drawer-item[open] summary:active::before {
  transform: rotate(180deg) scale(0.94);
}

.drawer-item summary span {
  display: block;
  font-size: clamp(1.08rem, 1.7vw, 1.42rem);
  font-weight: 720;
  line-height: 1.1;
}

.drawer-content {
  max-width: 620px;
  margin: 0 0 28px 38px;
  padding: 2px 0 6px;
  color: var(--muted);
  font-size: 1.04rem;
}

.drawer-content p {
  margin: 0;
}

.drawer-content p + p {
  margin-top: 14px;
}

.publication-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.publication-list .publication-label {
  margin: 0;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.publication-list a {
  color: var(--sage-dark);
  font-weight: 680;
  line-height: 1.35;
  text-decoration: underline;
  text-decoration-color: rgba(31, 73, 101, 0.32);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.publication-list a:hover,
.publication-list a:focus-visible {
  color: var(--ink);
  text-decoration-color: currentColor;
}

@media (min-width: 901px) {
  .profile-section {
    padding-top: clamp(86px, 8vw, 118px);
    padding-bottom: clamp(72px, 8vw, 118px);
    border-bottom: 0;
  }

}

.contact-section {
  padding: clamp(72px, 9vw, 132px) clamp(20px, 6vw, 84px);
  background: var(--sage-dark);
  color: var(--white);
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
  gap: clamp(34px, 8vw, 110px);
  align-items: start;
}

.contact-section h2 {
  max-width: 780px;
}

.contact-section p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-panel {
  flex-direction: column;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.contact-panel a,
.contact-panel span {
  min-height: 48px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--white);
  text-decoration: none;
}

.contact-panel .button {
  margin-top: 8px;
  border-bottom: 0;
}

.contact-icon-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}

.contact-panel .icon-bar {
  position: relative;
  display: block;
  width: 46px;
  height: 46px;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  text-decoration: none;
}

.contact-panel .icon-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 0;
  border: 0;
  border-bottom: 0;
  color: currentColor;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1;
  transition: transform 260ms ease;
}

.contact-panel .icon-face-bottom {
  transform: translateY(100%);
  background: var(--white);
  color: var(--sage-dark);
}

.icon-bar:hover .icon-face-top,
.icon-bar:focus-visible .icon-face-top {
  transform: translateY(-100%);
}

.icon-bar:hover .icon-face-bottom,
.icon-bar:focus-visible .icon-face-bottom {
  transform: translateY(0);
}

.icon-bar svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 6vw, 84px);
  background: #112333;
  color: var(--white);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

@media (max-width: 900px) {
  .site-header {
    align-items: center;
    flex-direction: row;
    gap: 16px;
  }

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

  .hero {
    min-height: 86vh;
    padding-top: 146px;
  }

  .hero img {
    right: 0;
    width: min(64vw, 560px);
  }

  .profile-section {
    background: var(--mist);
  }

  .profile-section {
    padding-bottom: 56px;
  }

  .intro-band,
  .two-column,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .drawer-item summary {
    min-height: 62px;
  }
}

@media (max-width: 620px) {
  .brand {
    font-size: 0.98rem;
  }

  .nav-links {
    gap: 18px;
    font-size: 0.82rem;
  }

  .hero {
    min-height: 74vh;
    align-items: start;
    padding-top: 142px;
    padding-bottom: 14px;
    background: linear-gradient(90deg, #15212d 0%, #1f4965 52%, #f4f8fb 52%, #ffffff 100%);
  }

  .hero-content {
    width: min(48vw, 190px);
  }

  .hero img {
    top: auto;
    right: -54px;
    width: min(70vw, 330px);
    height: auto;
    bottom: 0;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(21, 33, 45, 0.88), rgba(21, 33, 45, 0.5) 48%, rgba(21, 33, 45, 0.02) 66%),
      linear-gradient(0deg, rgba(21, 33, 45, 0.18), rgba(21, 33, 45, 0.01));
  }

  h1 {
    font-size: clamp(2.2rem, 10vw, 2.6rem);
  }

  .hero-copy {
    margin-top: 18px;
    font-size: 0.94rem;
  }

  .hero-actions {
    margin-top: 32px;
  }

  .button {
    min-height: 44px;
    padding: 12px 14px;
  }

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

  .contact-panel .icon-bar {
    width: 46px;
  }

  .intro-stat {
    min-height: 0;
    padding: 18px 24px;
  }

  .intro-stat span {
    margin-top: 6px;
  }

  .contact-panel {
    padding: 24px;
  }

  .site-footer {
    flex-direction: column;
  }
}
