:root {
  --ink: #17232a;
  --muted: #59666c;
  --paper: #fbfaf6;
  --white: #ffffff;
  --teal: #173c4b;
  --teal-soft: #24596a;
  --gold: #c2965d;
  --gold-light: #ead7b8;
  --mist: #edf3f2;
  --line: #d8dfdc;
  --shadow: 0 22px 70px rgba(18, 46, 56, 0.14);
  --radius: 24px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::selection {
  background: var(--gold-light);
  color: var(--ink);
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

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

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.035em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 5vw, 4.25rem);
  line-height: 1.05;
}

.container {
  width: min(calc(100% - 44px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--white);
  color: var(--teal);
  font-weight: 700;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(23, 60, 75, 0.1);
  background: rgba(251, 250, 246, 0.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

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

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}

nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

nav a {
  position: relative;
  color: #354349;
  font-size: 0.84rem;
  font-weight: 650;
  text-decoration: none;
}

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

nav a:hover::after,
nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 10px 17px;
  border-radius: 999px;
  background: var(--teal);
  color: var(--white);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 72px;
}

.hero-wash {
  position: absolute;
  top: -240px;
  right: -140px;
  width: 680px;
  height: 680px;
  border: 1px solid rgba(194, 150, 93, 0.22);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(234, 215, 184, 0.34), transparent 66%);
}

.hero-wash::before,
.hero-wash::after {
  position: absolute;
  border: 1px solid rgba(194, 150, 93, 0.2);
  border-radius: 50%;
  content: "";
}

.hero-wash::before {
  inset: 78px;
}

.hero-wash::after {
  inset: 156px;
}

.hero-grid {
  position: relative;
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.72fr);
  gap: clamp(56px, 8vw, 112px);
}

.eyebrow,
.section-label {
  margin-bottom: 20px;
  color: var(--teal-soft);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 730px;
  margin-bottom: 18px;
  font-size: clamp(3.5rem, 8vw, 6.8rem);
  line-height: 0.92;
}

.hero h1 span {
  display: inline-block;
  color: var(--gold);
}

.hero-title {
  max-width: 700px;
  margin-bottom: 18px;
  color: var(--teal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.25;
}

.hero-text {
  max-width: 650px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 1.04rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--teal);
  box-shadow: 0 12px 28px rgba(23, 60, 75, 0.2);
  color: var(--white);
}

.button-secondary {
  border-color: rgba(23, 60, 75, 0.25);
  background: rgba(255, 255, 255, 0.45);
  color: var(--teal);
}

.location {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.location::before {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--gold);
  content: "";
  vertical-align: 1px;
}

.portrait-card {
  position: relative;
  margin: 0;
}

.portrait-card::before {
  position: absolute;
  z-index: -1;
  inset: 28px -28px -28px 28px;
  border: 1px solid var(--gold-light);
  border-radius: var(--radius);
  content: "";
}

.portrait-frame {
  overflow: hidden;
  aspect-ratio: 3 / 4;
  border: 8px solid var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #171513;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 34%;
}

.portrait-card figcaption {
  position: absolute;
  right: -16px;
  bottom: 28px;
  left: 32px;
  padding: 17px 20px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 15px;
  background: rgba(251, 250, 246, 0.9);
  box-shadow: 0 14px 35px rgba(15, 36, 43, 0.18);
  backdrop-filter: blur(12px);
}

.portrait-card figcaption strong,
.portrait-card figcaption span {
  display: block;
}

.portrait-card figcaption strong {
  color: var(--teal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.06rem;
}

.portrait-card figcaption span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.76rem;
}

.credibility {
  border-block: 1px solid var(--line);
  background: var(--white);
}

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

.credibility-grid > div {
  min-height: 126px;
  padding: 28px 28px 24px;
  border-left: 1px solid var(--line);
}

.credibility-grid > div:last-child {
  border-right: 1px solid var(--line);
}

.credibility-grid strong,
.credibility-grid span {
  display: block;
}

.credibility-grid strong {
  color: var(--teal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.13rem;
  font-weight: 600;
}

.credibility-grid span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.77rem;
  line-height: 1.45;
}

.section {
  padding: 112px 0;
}

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

.split-intro {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.1fr);
  gap: clamp(56px, 10vw, 140px);
}

.split-intro h2 {
  max-width: 560px;
}

.prose {
  max-width: 720px;
}

.prose p {
  color: #425159;
  font-size: 1.04rem;
}

.prose p:first-child {
  color: var(--teal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.4rem;
  line-height: 1.5;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 54px;
}

.section-heading > p:last-child {
  max-width: 660px;
  color: var(--muted);
}

.academic-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.25fr);
  gap: 28px;
}

.timeline-card {
  padding: 38px;
  border: 1px solid rgba(23, 60, 75, 0.11);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 20px 55px rgba(28, 66, 77, 0.08);
}

.timeline-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item:first-child {
  padding-top: 0;
}

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

.timeline-year {
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline-item h3,
.expertise-grid h3,
.publication h3,
.service-grid h3 {
  margin-bottom: 9px;
  color: var(--teal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.25;
}

.timeline-item p,
.expertise-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.expertise-grid article {
  min-height: 222px;
  padding: 30px;
  border: 1px solid rgba(23, 60, 75, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.7);
}

.expertise-grid article > span {
  display: block;
  margin-bottom: 34px;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.9rem;
}

.heading-row {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.heading-row h2 {
  margin-bottom: 0;
}

.text-link {
  flex: 0 0 auto;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--gold);
  color: var(--teal);
  font-size: 0.86rem;
  font-weight: 750;
  text-decoration: none;
}

.publication-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.publication {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.publication:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 50px rgba(18, 46, 56, 0.09);
}

.featured-publication {
  border-color: transparent;
  background: var(--teal);
  color: var(--white);
}

.featured-publication h3,
.featured-publication .publication-meta,
.featured-publication p,
.featured-publication a {
  color: var(--white);
}

.publication-meta {
  display: flex;
  margin-bottom: 44px;
  justify-content: space-between;
  gap: 15px;
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.publication h3 {
  max-width: 600px;
  font-size: clamp(1.4rem, 2.6vw, 2.05rem);
}

.publication p {
  color: var(--muted);
  font-size: 0.86rem;
}

.publication > a {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 24px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 750;
  text-decoration: none;
}

.section-dark {
  background: var(--teal);
  color: var(--white);
}

.inverse .section-label {
  color: var(--gold-light);
}

.inverse > p:last-child {
  color: rgba(255, 255, 255, 0.7);
}

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

.service-grid article {
  min-height: 318px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
}

.service-number {
  display: block;
  margin-bottom: 64px;
  color: var(--gold-light);
  font-family: Georgia, "Times New Roman", serif;
}

.service-grid h3 {
  color: var(--white);
}

.service-grid p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
}

.verification-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(50px, 9vw, 120px);
}

.verification-copy {
  max-width: 510px;
  color: var(--muted);
}

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

.verification-links a {
  display: flex;
  min-height: 105px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.verification-links strong,
.verification-links small {
  display: block;
}

.verification-links strong {
  color: var(--teal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
}

.verification-links small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
}

.verification-links b {
  color: var(--gold);
  font-weight: 500;
  transition: transform 160ms ease;
}

.verification-links a:hover b,
.verification-links a:focus-visible b {
  transform: translate(3px, -3px);
}

.contact-section {
  padding: 0 0 80px;
}

.contact-card {
  display: flex;
  min-height: 330px;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: clamp(42px, 7vw, 78px);
  border-radius: 30px;
  background: linear-gradient(135deg, #9e7442, var(--gold));
  box-shadow: 0 24px 70px rgba(95, 67, 34, 0.18);
  color: var(--white);
}

.contact-card > div:first-child {
  max-width: 650px;
}

.contact-card .section-label {
  color: rgba(255, 255, 255, 0.78);
}

.contact-card h2 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
}

.contact-card p:last-child {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.84);
}

.contact-actions {
  flex: 0 0 auto;
  flex-direction: column;
}

.button-light {
  background: var(--white);
  color: var(--teal);
}

.button-outline-light {
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--white);
}

.site-footer {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.76rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner div {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-inner a {
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

@media (max-width: 1000px) {
  nav a:not(.nav-cta) {
    display: none;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
    gap: 48px;
  }

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

  .credibility-grid > div:nth-child(3) {
    border-top: 1px solid var(--line);
  }

  .credibility-grid > div:nth-child(4) {
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .split-intro,
  .academic-layout,
  .verification-layout {
    grid-template-columns: 1fr;
  }

  .split-intro,
  .verification-layout {
    gap: 40px;
  }

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

  .service-grid article {
    min-height: 0;
  }

  .service-number {
    margin-bottom: 32px;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .header-inner {
    min-height: 72px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand small {
    display: none;
  }

  .nav-cta {
    padding: 9px 14px;
  }

  .hero {
    padding: 48px 0 60px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-copy {
    order: 2;
  }

  .portrait-card {
    order: 1;
    width: min(100%, 410px);
    margin-inline: auto;
  }

  .portrait-card::before {
    inset: 16px -12px -16px 12px;
  }

  .portrait-card figcaption {
    right: -5px;
    bottom: 20px;
    left: 20px;
  }

  .hero h1 {
    font-size: clamp(3.25rem, 17vw, 5rem);
  }

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

  .credibility-grid > div {
    min-height: 0;
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .credibility-grid > div:first-child {
    border-top: 0;
  }

  .section {
    padding: 82px 0;
  }

  .timeline-card {
    padding: 28px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .expertise-grid,
  .publication-list {
    grid-template-columns: 1fr;
  }

  .expertise-grid article,
  .publication {
    min-height: 0;
  }

  .heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .publication-meta {
    margin-bottom: 32px;
    flex-direction: column;
    gap: 3px;
  }

  .contact-card {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-actions {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}