:root {
  --navy: #07101f;
  --gold: #d4b15a;
  --gold-soft: #e6c878;
  --text-dark: #1d2230;
  --text-light: #ffffff;
  --muted: #5f6777;
  --bg-light: #f7f7f7;
  --white: #ffffff;
  --border: #ececec;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  background: var(--white);
}

h1, h2, h3 {
  margin: 0;
}

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

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 60px;
  background: var(--navy);
  color: var(--text-light);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold-soft);
}

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav a {
  color: rgba(255,255,255,0.88);
  font-size: 0.98rem;
}

.nav a:hover {
  color: var(--gold-soft);
}

.nav-cta {
  border: 1px solid var(--gold);
  padding: 10px 18px;
  border-radius: 4px;
  color: var(--gold-soft);
  font-weight: 600;
}

/* Hero */
.hero {
  background: linear-gradient(90deg, #061020 0%, #07111f 100%);
  color: white;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  padding: 70px 80px;
  gap: 40px;
}

.eyebrow {
  color: var(--gold-soft);
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 6vw, 5.2rem);
  line-height: 1.02;
  margin-bottom: 28px;
}

.hero-role {
  font-size: 1.35rem;
  line-height: 1.45;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-text {
  max-width: 650px;
  color: rgba(255,255,255,0.86);
  line-height: 1.9;
  font-size: 1.04rem;
  margin-bottom: 28px;
}

.button-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 4px;
  font-weight: 600;
  transition: 0.2s ease;
}

.btn.primary {
  background: var(--gold);
  color: #111;
}

.btn.ghost {
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  background: transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-image-wrap {
  display: flex;
  justify-content: center;
}

.hero-image-wrap img {
  width: 100%;
  max-width: 520px;
  object-fit: cover;
  display: block;
}

/* About Section */
.about-section {
  background: #fff;
  display: grid;
  grid-template-columns: 1fr 0.9fr 1fr;
  gap: 36px;
  padding: 70px 80px;
  align-items: center;
}

.about-left h2,
.center-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  color: #172038;
  margin-bottom: 12px;
}

.gold-line {
  width: 56px;
  height: 3px;
  background: var(--gold);
  margin: 12px 0 28px;
}

.about-left p {
  color: var(--muted);
  line-height: 1.9;
  font-size: 1.03rem;
  max-width: 460px;
}

.about-btn {
  margin-top: 24px;
  border: 1px solid var(--gold);
  color: #7a6224;
  background: white;
}

.about-center img {
  width: 100%;
  max-width: 320px;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
}

.about-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.stat-card {
  border: 1px solid var(--border);
  padding: 26px 22px;
  background: #fff;
  min-height: 130px;
}

.stat-card h3 {
  font-size: 2rem;
  color: #172038;
  margin-bottom: 10px;
}

.stat-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

/* Research */
.research-section {
  background: #fff;
  padding: 30px 80px 80px;
}

.center-title {
  text-align: center;
}

.center-line {
  margin: 14px auto 36px;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.research-card {
  background: #fff;
  border: 1px solid var(--border);
  padding: 28px 22px;
  border-radius: 4px;
}

.research-card h3 {
  font-size: 1.12rem;
  color: #172038;
  margin-bottom: 14px;
}

.research-card p {
  color: var(--muted);
  line-height: 1.8;
  margin: 0;
}

/* Footer / Contact */
.footer {
  padding: 28px 80px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  background: #fff;
}

/* Responsive */
@media (max-width: 1100px) {
  .hero,
  .about-section {
    grid-template-columns: 1fr;
  }

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

  .about-right {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header,
  .hero,
  .about-section,
  .research-section,
  .footer {
    padding-left: 24px;
    padding-right: 24px;
  }

  .nav {
    display: none;
  }

  .research-grid,
  .about-right {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.8rem;
  }
}
/* Make Publications and Projects match the clean About section */

.light-section,
.projects-section {
  background: #ffffff;
  color: #07101f;
  padding: 80px 6vw;
}

.projects-section {
  background: #f8f8f8;
}

.section-heading {
  max-width: 920px;
  margin-bottom: 42px;
}

.section-heading .section-kicker {
  color: #b9913e;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
  font-size: 0.78rem;
  margin-bottom: 12px;
}

.section-heading h2 {
  font-family: 'Playfair Display', serif;
  color: #07101f;
  font-size: clamp(2rem, 3.4vw, 3.4rem);
  line-height: 1.15;
  max-width: 900px;
}

/* Publications */

.publication-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  max-width: 1050px;
}

.publication-list article {
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-left: 4px solid #d4b15a;
  padding: 24px 28px;
  border-radius: 4px;
}

.publication-list article h3 {
  color: #07101f;
  font-size: 1.08rem;
  line-height: 1.45;
  margin-bottom: 8px;
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.02em;
}

.publication-list article p {
  color: #5f6777;
  margin: 0;
  line-height: 1.7;
}

.text-link {
  display: inline-block;
  margin-top: 26px;
  color: #9b7627;
  font-weight: 800;
}

.text-link:hover {
  color: #d4b15a;
}

/* Projects */

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

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

.card {
  background: #ffffff;
  border: 1px solid #e8e8e8;
  padding: 28px 26px;
  border-radius: 4px;
  min-height: 190px;
}

.card h3 {
  color: #07101f;
  font-size: 1.18rem;
  margin-bottom: 12px;
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.02em;
}

.card p {
  color: #5f6777;
  line-height: 1.75;
  margin: 0;
}

/* Contact section clean style */

.contact-section {
  background: #07101f;
  color: white;
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 50px;
  align-items: center;
  padding: 80px 6vw;
}

.contact-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  color: white;
}

.contact-section .section-kicker {
  color: #d4b15a;
}

.muted {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
  max-width: 650px;
}

.contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(212, 177, 90, 0.28);
  border-radius: 6px;
  padding: 30px;
  display: grid;
  gap: 16px;
}

.contact-card a {
  color: #e6c878;
  font-weight: 700;
  word-break: break-word;
}

.contact-card a:hover {
  color: #ffffff;
}

/* Footer */

.footer {
  background: #07101f;
  color: rgba(255, 255, 255, 0.65);
  padding: 28px 6vw;
  border-top: 1px solid rgba(212, 177, 90, 0.18);
}

.footer p {
  margin: 0;
}

/* Responsive */

@media (max-width: 1000px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .publication-list article,
  .card,
  .contact-card {
    padding: 22px;
  }
}
/* Fix spacing between Research and Publications */

.research-section {
  background: #ffffff;
  color: #07101f;
  padding: 70px 6vw 60px;
}

.research-section .section-kicker {
  color: #07101f;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 22px;
}

.center-title {
  text-align: center;
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  color: #07101f;
  line-height: 1.15;
  margin-bottom: 12px;
}

.center-line {
  margin: 0 auto 42px;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.research-card {
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 4px;
  padding: 34px 28px;
  min-height: 245px;
}

.research-card h3 {
  font-family: 'Inter', sans-serif;
  color: #07101f;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.research-card p {
  color: #5f6777;
  font-size: 1.02rem;
  line-height: 1.75;
  margin: 0;
}

/* Publications clean section */

.light-section {
  background: #ffffff;
  color: #07101f;
  padding: 60px 6vw 80px;
}

.light-section .section-heading {
  max-width: 950px;
  margin-bottom: 34px;
}

.light-section .section-kicker {
  color: #07101f;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.light-section .section-heading h2 {
  font-family: 'Playfair Display', serif;
  color: #07101f;
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 28px;
}

.publication-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  max-width: 1100px;
  margin-bottom: 28px;
}

.publication-list article {
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-left: 4px solid #d4b15a;
  border-radius: 4px;
  padding: 24px 28px;
}

.publication-list article h3 {
  font-family: 'Inter', sans-serif;
  color: #07101f;
  font-size: 1.08rem;
  line-height: 1.45;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.publication-list article p {
  color: #5f6777;
  font-size: 0.98rem;
  line-height: 1.7;
  margin: 0;
}

.text-link {
  display: inline-block;
  color: #9b7627;
  font-weight: 800;
  margin-top: 12px;
}

.text-link:hover {
  color: #d4b15a;
}

/* Projects clean layout */

.projects-section {
  background: #f8f8f8;
  color: #07101f;
  padding: 80px 6vw;
}

.projects-section .section-kicker {
  color: #07101f;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.projects-section .section-heading h2 {
  font-family: 'Playfair Display', serif;
  color: #07101f;
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  line-height: 1.15;
  max-width: 950px;
}

.cards {
  display: grid;
  gap: 24px;
}

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

.card {
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 4px;
  padding: 30px 28px;
  min-height: 190px;
}

.card h3 {
  font-family: 'Inter', sans-serif;
  color: #07101f;
  font-size: 1.15rem;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.card p {
  color: #5f6777;
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
}

/* Responsive */

@media (max-width: 1100px) {
  .research-grid,
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .research-grid,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .research-section,
  .light-section,
  .projects-section {
    padding-left: 24px;
    padding-right: 24px;
  }
}