:root {
  --ink: #14211c;
  --muted: #617169;
  --paper: #f6f4ee;
  --white: #fff;
  --line: #d9ddd7;
  --green: #173f35;
  --green-deep: #102d26;
  --green-soft: #e5eee9;
  --gold: #c6923f;
  --gold-light: #f3cb83;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --shadow: 0 24px 70px rgba(16, 45, 38, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
button { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 104px 0; scroll-margin-top: 78px; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; transform: translateY(-150%); padding: 10px 14px; border-radius: 6px; color: #fff; background: var(--green); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid rgba(216, 221, 215, .85); background: rgba(246, 244, 238, .91); backdrop-filter: blur(18px); }
.nav-shell { display: grid; grid-template-columns: auto 1fr auto; gap: 36px; align-items: center; min-height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; }
.brand-mark rect { fill: var(--green); }
.brand-mark path { fill: var(--gold-light); }
.brand > span { display: grid; line-height: .9; }
.brand strong { font: 700 1.28rem/1 var(--serif); letter-spacing: -.02em; }
.brand small { margin-top: 5px; color: var(--muted); font-size: .61rem; font-weight: 750; letter-spacing: .19em; text-transform: uppercase; }
.primary-nav { display: flex; justify-content: flex-end; gap: 26px; }
.primary-nav a, .mobile-nav a { color: #33433c; font-size: .78rem; font-weight: 700; letter-spacing: .035em; text-decoration: none; }
.primary-nav a { position: relative; padding: 29px 0; }
.primary-nav a::after { content: ""; position: absolute; right: 0; bottom: 21px; left: 0; height: 2px; transform: scaleX(0); background: var(--gold); transition: transform .2s ease; }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.language-switch, .menu-button { border: 1px solid #c9d0ca; color: var(--green); background: transparent; cursor: pointer; }
.language-switch { min-width: 38px; padding: 7px 8px; border-radius: 999px; font-size: .72rem; font-weight: 800; }
.menu-button { display: none; width: 39px; height: 39px; padding: 10px; border-radius: 50%; }
.menu-button span { display: block; width: 100%; height: 1.5px; margin: 5px 0; background: currentColor; transition: transform .2s ease; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
.mobile-nav { position: fixed; inset: 78px 0 0; padding: 32px 24px; background: var(--paper); }
.mobile-nav a { display: block; padding: 17px 0; border-bottom: 1px solid var(--line); font: 600 1.7rem/1.2 var(--serif); }

.hero { min-height: calc(100vh - 78px); display: grid; align-items: center; overflow: hidden; padding-top: 70px; background: radial-gradient(circle at 86% 22%, rgba(198,146,63,.14), transparent 27rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(400px, .95fr); gap: 70px; align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--gold); font-size: .72rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow.light { color: var(--gold-light); }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { max-width: 780px; margin: 0; font: 500 clamp(3.15rem, 6.5vw, 6.15rem)/.98 var(--serif); letter-spacing: -.055em; }
.hero-lead { max-width: 660px; margin: 28px 0 0; color: #4f6158; font-size: clamp(1.05rem, 1.8vw, 1.3rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 18px; border: 1px solid var(--green); border-radius: 4px; font-size: .79rem; font-weight: 800; letter-spacing: .035em; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #fff; background: var(--green); box-shadow: 0 12px 28px rgba(23,63,53,.18); }
.button.secondary { color: var(--green); background: transparent; }
.button.secondary.dark { color: #fff; border-color: #fff; }
.trust-line { display: flex; gap: 0; margin-top: 64px; }
.trust-line div { display: grid; gap: 3px; min-width: 126px; padding: 0 24px; border-left: 1px solid var(--line); }
.trust-line div:first-child { padding-left: 0; border-left: 0; }
.trust-line strong { color: var(--green); font: 600 1.55rem/1 var(--serif); }
.trust-line span { color: var(--muted); font-size: .69rem; }

.hero-visual { position: relative; min-height: 560px; }
.visual-orbit { position: absolute; border: 1px solid rgba(23,63,53,.14); border-radius: 50%; }
.orbit-one { inset: 35px 8px 35px 8px; animation: spin 30s linear infinite; }
.orbit-two { inset: 100px 70px; border-style: dashed; animation: spin 22s linear infinite reverse; }
.visual-orbit::before, .visual-orbit::after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 7px rgba(198,146,63,.1); }
.visual-orbit::before { top: 13%; left: 11%; }
.visual-orbit::after { right: 9%; bottom: 17%; }
.visual-card { position: absolute; border: 1px solid rgba(255,255,255,.13); color: #fff; background: var(--green); box-shadow: var(--shadow); }
.visual-card-main { inset: 140px 85px 130px; display: flex; flex-direction: column; justify-content: center; padding: 38px; border-radius: 3px; background: linear-gradient(140deg, #0d2c24, #245b4c); }
.visual-label { color: var(--gold-light); font-size: .63rem; font-weight: 850; letter-spacing: .2em; }
.visual-card-main strong { max-width: 240px; margin-top: 12px; font: 500 2.25rem/1.05 var(--serif); }
.identity-lines { display: grid; gap: 7px; margin-top: 32px; }
.identity-lines i { display: block; height: 1px; background: linear-gradient(90deg, var(--gold-light), transparent); }
.identity-lines i:nth-child(2) { width: 72%; }.identity-lines i:nth-child(3) { width: 43%; }
.visual-card-a, .visual-card-b, .visual-card-c { display: grid; gap: 3px; min-width: 142px; padding: 18px; border-radius: 3px; }
.visual-card span { color: var(--gold-light); font-size: .64rem; letter-spacing: .1em; }
.visual-card strong { font: 500 1rem/1.2 var(--serif); }
.visual-card-a { top: 68px; right: 32px; }.visual-card-b { bottom: 68px; left: 0; }.visual-card-c { right: 0; bottom: 112px; }
.node { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 6px rgba(23,63,53,.1); }
.n1 { top: 35px; left: 44%; }.n2 { top: 49%; right: 12px; }.n3 { bottom: 20px; left: 47%; }.n4 { top: 45%; left: 16px; }
@keyframes spin { to { transform: rotate(360deg); } }

.intro-strip { padding: 76px 0; color: #fff; background: var(--green-deep); }
.intro-grid { display: grid; grid-template-columns: .7fr 2fr; gap: 80px; align-items: start; }
.intro-statement { max-width: 900px; margin: 0; color: #e7efe9; font: 400 clamp(1.75rem, 3.3vw, 3rem)/1.24 var(--serif); letter-spacing: -.025em; }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 70px; align-items: end; margin-bottom: 48px; }
.section-heading h2, .experience-copy h2, .profile-heading h2, .contact-card h2 { margin: 0; font: 500 clamp(2.2rem, 4vw, 4rem)/1.04 var(--serif); letter-spacing: -.045em; }
.section-heading > p { margin: 0; color: var(--muted); font-size: .98rem; line-height: 1.65; }
.expertise-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.expertise-card { min-height: 275px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: color .25s ease, background .25s ease; }
.expertise-card:hover { color: #fff; background: var(--green); }
.expertise-card > span { color: var(--gold); font: 700 .68rem/1 var(--sans); letter-spacing: .12em; }
.expertise-card h3 { margin: 72px 0 14px; font: 500 1.42rem/1.18 var(--serif); }
.expertise-card p { margin: 0; color: var(--muted); font-size: .87rem; line-height: 1.62; }
.expertise-card:hover p { color: #d7e4de; }

.experience-section { background: #e7ece8; }
.experience-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 100px; }
.experience-copy > p:not(.eyebrow) { color: #506158; font-size: 1.02rem; line-height: 1.72; }
.experience-copy h2 { margin-bottom: 30px; }
.text-link { display: inline-flex; gap: 22px; align-items: center; margin-top: 18px; padding-bottom: 6px; border-bottom: 1px solid var(--green); color: var(--green); font-size: .82rem; font-weight: 800; text-decoration: none; }
.experience-principles { border-top: 1px solid #bdc9c2; }
.experience-principles article { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid #bdc9c2; }
.experience-principles strong { font: 500 1.05rem/1.3 var(--serif); }
.experience-principles p { margin: 0; color: var(--muted); font-size: .85rem; line-height: 1.6; }

.papers-section { background: #fff; }
.papers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.paper-empty { grid-column: 1 / -1; padding: 58px 30px; border: 1px solid var(--line); text-align: center; background: #fafbf9; }
.paper-empty-mark { color: var(--gold); font: 500 3rem/1 var(--serif); }
.paper-empty h3 { margin: 15px 0 8px; font: 500 1.45rem/1.2 var(--serif); }
.paper-empty p { max-width: 560px; margin: 0 auto; color: var(--muted); line-height: 1.6; }
.paper-card { display: flex; min-height: 360px; flex-direction: column; padding: 26px; border: 1px solid var(--line); background: var(--paper); }
.paper-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .67rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.paper-state { padding: 2px 7px; border: 1px solid #e4c98f; border-radius: 999px; color: #7b5714; background: #fff8e8; }
.paper-card h3 { margin: 50px 0 15px; font: 500 1.5rem/1.2 var(--serif); }
.paper-card p { margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.65; }
.paper-card footer { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: auto; padding-top: 30px; }
.paper-card footer span { color: var(--muted); font-size: .72rem; }
.paper-card footer a { color: var(--green); font-size: .77rem; font-weight: 800; text-decoration: none; }

.profile-section { color: #fff; background: #1c493d; }
.profile-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.profile-role { color: var(--gold-light); font-size: .9rem; font-weight: 750; }
.profile-body > p { max-width: 710px; margin: 0 0 40px; color: #d5e3de; font: 400 1.45rem/1.5 var(--serif); }
.profile-body dl { margin: 0 0 36px; border-top: 1px solid rgba(255,255,255,.19); }
.profile-body dl div { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.19); }
.profile-body dt { color: #aac1b9; font-size: .72rem; font-weight: 800; text-transform: uppercase; }.profile-body dd { margin: 0; font-size: .89rem; }

.contact-section { padding: 84px 0; }
.contact-card { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; padding: 58px; color: #fff; background: var(--green-deep); box-shadow: var(--shadow); }
.contact-card h2 { max-width: 680px; }
.contact-action p { color: #bdcec8; font-size: .86rem; line-height: 1.6; }
.contact-action a { display: inline-flex; justify-content: space-between; width: 100%; gap: 18px; margin-top: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--gold-light); color: var(--gold-light); font: 500 1.12rem/1.2 var(--serif); text-decoration: none; }

.site-footer { padding: 55px 0; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 70px; align-items: end; }
.footer-brand { margin-bottom: 14px; }.footer-grid > div > p { max-width: 330px; margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.55; }
.footer-grid nav { display: grid; grid-template-columns: repeat(2, auto); gap: 10px 24px; }.footer-grid nav a, .footer-legal a { color: var(--muted); font-size: .75rem; text-decoration: none; }
.footer-legal { display: grid; gap: 7px; justify-items: end; color: var(--muted); font-size: .72rem; }

.prose-page { min-height: calc(100vh - 250px); padding: 88px 0; }
.prose { max-width: 760px; }.prose h1 { font-size: clamp(2.7rem, 5vw, 4.6rem); }.prose h2 { margin: 45px 0 12px; font: 500 1.6rem/1.2 var(--serif); }.prose p, .prose li { color: #4f6057; line-height: 1.75; }.back-link { display: inline-block; margin-bottom: 30px; color: var(--green); font-size: .8rem; font-weight: 800; text-decoration: none; }

.reveal { opacity: 1; transform: none; }
.has-js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .65s ease, transform .65s ease; }
.has-js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }.has-js .reveal { opacity: 1; transform: none; transition: none; }.visual-orbit { animation: none; }
}
@media (max-width: 960px) {
  .primary-nav { display: none; }.menu-button { display: block; }.nav-shell { grid-template-columns: auto 1fr auto; }.nav-actions { justify-self: end; }
  .hero { min-height: auto; }.hero-grid { grid-template-columns: 1fr; }.hero-visual { min-height: 500px; max-width: 620px; width: 100%; margin: 0 auto; }
  .section-heading, .intro-grid, .experience-grid, .profile-grid, .contact-card { grid-template-columns: 1fr; gap: 34px; }
  .expertise-grid, .papers-grid { grid-template-columns: repeat(2, 1fr); }.paper-empty { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }.footer-legal { grid-column: 1 / -1; justify-items: start; }
}
@media (max-width: 640px) {
  .shell { width: min(100% - 30px, 1180px); }.section { padding: 76px 0; }.nav-shell { min-height: 68px; }.mobile-nav { inset-block-start: 68px; }
  h1 { font-size: clamp(2.85rem, 14vw, 4.6rem); }.hero { padding: 55px 0 70px; }.hero-grid { gap: 35px; }.hero-lead { font-size: 1rem; }
  .hero-actions .button { width: 100%; }.trust-line { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 45px; }.trust-line div { min-width: 0; padding: 0 10px; }.trust-line span { font-size: .61rem; }
  .hero-visual { min-height: 390px; }.visual-card-main { inset: 95px 45px 90px; padding: 26px; }.visual-card-main strong { font-size: 1.7rem; }.visual-card-a, .visual-card-b, .visual-card-c { min-width: 110px; padding: 13px; }.visual-card-a { top: 30px; right: 10px; }.visual-card-b { bottom: 35px; }.visual-card-c { right: 0; bottom: 68px; }
  .section-heading { margin-bottom: 32px; }.expertise-grid, .papers-grid { grid-template-columns: 1fr; }.expertise-card { min-height: 230px; }.expertise-card h3 { margin-top: 48px; }
  .experience-principles article { grid-template-columns: 1fr; gap: 9px; }.profile-body dl div { grid-template-columns: 1fr; gap: 7px; }.contact-card { padding: 34px 25px; }.footer-grid { grid-template-columns: 1fr; gap: 35px; }.footer-legal { grid-column: auto; }
}
