:root {
      --bg: #f8f7f4;
      --text: #151515;
      --muted: #5f6368;
      --line: #dedbd4;
      --accent: #4f46e5;
      --accent-soft: #eef0ff;
      --card: #ffffff;
      --dark: #111827;
      --green-soft: #e8f7ef;
      --orange-soft: #fff2df;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

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

    a {
      color: var(--accent);
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    .container {
      width: min(1120px, 92%);
      margin: 0 auto;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 10;
      background: rgba(248, 247, 244, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
    }

    nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 18px 0;
      font-size: clamp(0.78rem, 0.88vw, 0.91rem);
    }

    .logo {
      font-weight: 850;
      letter-spacing: -0.035em;
      color: var(--text);
      white-space: nowrap;
      flex-shrink: 0;
      font-size: clamp(1rem, 1.35vw, 1.18rem);
    }

    .nav-links {
      display: flex;
      gap: clamp(8px, 0.95vw, 15px);
      flex-wrap: nowrap;
      align-items: center;
      margin-left: 20px;
    }

    .nav-links > a,
    .nav-item > a {
      color: var(--muted);
      font-weight: 650;
      white-space: nowrap;
      display: inline-flex;
      align-items: center;
      padding: 8px 0;
    }

    .nav-links > a:hover,
    .nav-item > a:hover,
    .nav-item:hover > a {
      color: var(--accent);
      text-decoration: none;
    }

    .nav-item {
      position: relative;
      display: inline-flex;
      align-items: center;
      padding-bottom: 12px;
      margin-bottom: -12px;
    }

    .dropdown-menu {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%) translateY(4px);
      min-width: 250px;
      background: rgba(255,255,255,0.98);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 9px;
      box-shadow: 0 22px 55px rgba(0,0,0,0.12);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
      z-index: 100;
    }

    .nav-item:hover .dropdown-menu,
    .nav-item:focus-within .dropdown-menu {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }

    .dropdown-menu::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: -14px;
      height: 14px;
    }

    .dropdown-menu a {
      display: block;
      padding: 10px 12px;
      border-radius: 12px;
      color: var(--text);
      font-weight: 750;
      line-height: 1.25;
      white-space: normal;
    }

    .dropdown-menu a span {
      display: block;
      color: var(--muted);
      font-weight: 500;
      font-size: 0.82rem;
      margin-top: 3px;
    }

    .dropdown-menu a:hover {
      background: var(--accent-soft);
      color: var(--accent);
      text-decoration: none;
    }

    .hero {
      padding: 82px 0 74px;
      border-bottom: 1px solid var(--line);
      position: relative;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -140px;
      top: 40px;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(79, 70, 229, 0.15), transparent 66%);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.18fr) minmax(290px, 0.82fr);
      gap: 58px;
      align-items: center;
    }

    .eyebrow {
      display: inline-block;
      padding: 7px 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      color: var(--muted);
      font-size: 0.9rem;
      margin-bottom: 24px;
      font-weight: 650;
    }

    .hero-kicker {
      color: var(--accent);
      font-weight: 900;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-size: 0.82rem;
      margin-bottom: 18px;
    }

    h1 {
      font-size: clamp(3rem, 4.8vw, 5.15rem);
      line-height: 1;
      letter-spacing: -0.06em;
      margin: 0 0 28px;
      max-width: 940px;
      text-wrap: balance;
    }

    .hero-subtitle {
      font-size: clamp(1.16rem, 1.85vw, 1.48rem);
      color: var(--muted);
      max-width: 800px;
      margin-bottom: 22px;
    }

    .hero-description {
      font-size: 1.06rem;
      color: #2b2b2b;
      max-width: 800px;
      margin-bottom: 34px;
    }

    .hero-photo-wrap {
      justify-self: end;
      width: min(100%, 390px);
    }

    .hero-photo {
      width: 100%;
      aspect-ratio: 4 / 5;
      object-fit: cover;
      border-radius: 32px;
      border: 1px solid var(--line);
      box-shadow: 0 28px 70px rgba(0,0,0,0.14);
      background: white;
      display: block;
    }

    .hero-fact-card {
      margin-top: 18px;
      background: rgba(255,255,255,0.88);
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 20px;
      box-shadow: 0 14px 34px rgba(0,0,0,0.055);
    }

    .hero-fact-card strong {
      display: block;
      color: var(--text);
      line-height: 1.25;
      margin-bottom: 8px;
      font-size: 1.02rem;
    }

    .hero-fact-card span {
      display: block;
      color: var(--muted);
      font-size: 0.95rem;
      line-height: 1.45;
    }

    .buttons {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      align-items: center;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 800;
      border: 1px solid var(--dark);
      color: var(--dark);
      background: transparent;
      transition: 0.18s ease;
    }

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

    .button:hover {
      text-decoration: none;
      transform: translateY(-1px);
      box-shadow: 0 10px 22px rgba(0,0,0,0.08);
    }

    section {
      padding: 68px 0;
      border-bottom: 1px solid var(--line);
    }

    .section-title {
      display: grid;
      grid-template-columns: 0.75fr 1.25fr;
      gap: 50px;
      margin-bottom: 36px;
    }

    .section-title h2 {
      margin: 0;
      font-size: clamp(2rem, 4vw, 3.6rem);
      letter-spacing: -0.06em;
      line-height: 1;
    }

    .section-title p {
      margin: 0;
      color: var(--muted);
      font-size: 1.08rem;
      max-width: 780px;
    }

    .about-panel {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 22px;
      align-items: stretch;
    }

    .about-text {
      font-size: 1.13rem;
      color: #2b2b2b;
      max-width: 920px;
    }

    .about-text strong {
      color: var(--text);
    }

    .mini-metrics {
      display: grid;
      gap: 12px;
    }

    .metric {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 18px;
    }

    .metric strong {
      display: block;
      font-size: 1.4rem;
      letter-spacing: -0.04em;
      line-height: 1;
      margin-bottom: 6px;
    }

    .metric span {
      color: var(--muted);
      font-size: 0.95rem;
    }

    .grid {
      display: grid;
      gap: 18px;
    }

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

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

    .card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 26px;
      box-shadow: 0 16px 36px rgba(0,0,0,0.035);
    }

    .card h3 {
      margin-top: 0;
      margin-bottom: 10px;
      letter-spacing: -0.035em;
      line-height: 1.15;
      font-size: 1.35rem;
    }

    .card p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .tag {
      display: inline-block;
      font-size: 0.76rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--accent);
      background: var(--accent-soft);
      padding: 5px 9px;
      border-radius: 999px;
      margin-bottom: 14px;
      font-weight: 900;
    }

    .tag.green {
      color: #166534;
      background: var(--green-soft);
    }

    .tag.orange {
      color: #9a4b00;
      background: var(--orange-soft);
    }

    .featured-publication {
      background: var(--dark);
      color: white;
      border-radius: 32px;
      padding: 34px;
      margin-bottom: 18px;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 26px;
      align-items: center;
      box-shadow: 0 24px 54px rgba(0,0,0,0.12);
    }

    .featured-publication h3 {
      color: white;
      font-size: clamp(1.8rem, 3.2vw, 3rem);
      line-height: 1;
      margin: 0 0 14px;
      letter-spacing: -0.055em;
    }

    .featured-publication p {
      color: #cbd5e1;
      margin: 0 0 18px;
    }

    .featured-publication .button {
      border-color: white;
      color: white;
    }

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

    .featured-meta {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.18);
      border-radius: 24px;
      padding: 22px;
      color: #cbd5e1;
      font-size: 0.95rem;
    }

    .featured-meta strong {
      display: block;
      color: white;
      margin-bottom: 8px;
    }

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

    .compact-item {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 20px;
    }

    .compact-item strong {
      display: block;
      color: var(--text);
      line-height: 1.25;
      margin-bottom: 4px;
    }

    .compact-item span {
      color: var(--muted);
      font-size: 0.95rem;
    }

    .link-list {
      display: grid;
      gap: 10px;
      margin-top: 16px;
    }

    .link-list a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 750;
    }

    .assistant-box {
      background: var(--dark);
      color: white;
      border-radius: 32px;
      padding: 42px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 34px;
      align-items: center;
    }

    .assistant-box h2 {
      margin: 0 0 16px;
      font-size: clamp(2rem, 4vw, 3.4rem);
      letter-spacing: -0.06em;
      line-height: 1;
    }

    .assistant-box p {
      color: #cbd5e1;
      margin: 0;
    }

    .assistant-placeholder {
      border: 1px solid rgba(255,255,255,0.22);
      border-radius: 24px;
      padding: 22px;
      background: rgba(255,255,255,0.06);
    }

    .assistant-placeholder p {
      margin-bottom: 14px;
    }

    footer {
      padding: 48px 0;
      color: var(--muted);
    }

    .footer-grid {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    @media (max-width: 1080px) {
      .nav-links {
        display: none;
      }
    }

    @media (max-width: 930px) {
      .hero-grid,
      .about-panel,
      .featured-publication {
        grid-template-columns: 1fr;
      }

      .hero-photo-wrap {
        justify-self: start;
        width: min(100%, 330px);
      }

      h1 {
        max-width: 100%;
        font-size: clamp(2.6rem, 10vw, 4.4rem);
      }
    }

    @media (max-width: 850px) {
      .section-title,
      .assistant-box {
        grid-template-columns: 1fr;
      }

      .grid.three,
      .grid.two {
        grid-template-columns: 1fr;
      }

      .compact-item {
        align-items: flex-start;
        flex-direction: column;
      }

      .hero {
        padding-top: 70px;
      }
    }