:root {
  color-scheme: light;
  --navy: #14243a;
  --navy-soft: #203650;
  --ivory: #f8f6f0;
  --paper: #f0eee7;
  --gold: #c6a66b;
  --gold-light: #dfca9f;
  --ink: #263244;
  --muted: #667080;
  --line: rgba(20, 36, 58, .14);
  --serif: "Playfair Display", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--ivory);
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--ivory); font-size: 15px; line-height: 1.7; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
img { display: block; max-width: 100%; }
.page-width { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: 10px; padding: 10px 15px; transform: translateY(-160%); background: white; color: var(--navy); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 20; top: 0; background: rgba(248,246,240,.97); border-bottom: 1px solid rgba(20,36,58,.08); backdrop-filter: blur(14px); }
.nav-shell { width: min(1280px, calc(100% - 64px)); min-height: 78px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { display: grid; width: 39px; height: 39px; place-items: center; border: 1px solid var(--gold); color: var(--navy); font-family: var(--serif); font-size: 15px; }
.brand-name { color: var(--navy); font-family: var(--serif); font-size: 16px; font-weight: 600; line-height: 1.15; }
.brand-subtitle { display: block; margin-top: 5px; color: #6c7480; font-family: var(--sans); font-size: 9px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }
.nav-menu { display: flex; align-items: center; gap: clamp(13px, 1.65vw, 24px); }
.nav-menu > a { color: #394556; font-size: 11px; font-weight: 600; transition: color .2s; }
.nav-menu > a:hover { color: #9b7841; }
.menu-toggle { display: none; border: 0; background: transparent; cursor: pointer; }

.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 12px; padding: 0 21px; border: 1px solid transparent; cursor: pointer; font-size: 12px; font-weight: 700; letter-spacing: .015em; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.button:not(:disabled):hover { transform: translateY(-2px); }
.button-gold { background: var(--gold); color: var(--navy); }
.button-gold:hover:not(:disabled) { background: var(--gold-light); }
.button-outline { border-color: rgba(248,246,240,.5); color: var(--ivory); background: transparent; }
.button-outline:hover:not(:disabled) { border-color: var(--gold); color: var(--gold-light); }
.button:disabled { opacity: .66; cursor: not-allowed; }
.button-small { min-height: 37px; padding-inline: 14px; font-size: 10px; }
.button-navy { background: var(--navy); color: white; }

.section { padding: 108px 0; }
.section-dark { color: var(--ivory); background: var(--navy); }
.section-ivory { background: var(--ivory); }
.section-paper { background: var(--paper); }
.hero { position: relative; min-height: 625px; overflow: hidden; }
.hero-inner { display: grid; min-height: 625px; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 76px; padding-top: 40px; padding-bottom: 64px; }
.hero-copy { position: relative; z-index: 1; padding-bottom: 12px; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0 0 20px; color: var(--gold-light); font-size: 10px; font-weight: 700; letter-spacing: .18em; line-height: 1.4; text-transform: uppercase; }
.eyebrow-dark { color: #98763f; }
.eyebrow-rule { width: 29px; height: 1px; background: var(--gold); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, .research-feature h3 { font-family: var(--serif); font-weight: 500; }
h1 { max-width: 640px; margin-bottom: 23px; font-size: clamp(44px, 5.45vw, 71px); letter-spacing: -.045em; line-height: 1.12; }
h1 em, h2 em { color: var(--gold); font-weight: 500; }
.hero-intro { max-width: 530px; margin-bottom: 14px; color: #d4d9df; font-size: 15px; line-height: 1.85; }
.hero-support { margin-bottom: 28px; color: #aeb8c4; font-size: 12px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cv-note { margin: 9px 0 0; color: #aeb8c4; font-size: 10px; }
.location-line { display: flex; align-items: center; gap: 9px; margin: 34px 0 0; color: #bdc5ce; font-size: 10px; letter-spacing: .025em; }
.location-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.location-divider { color: #707f91; }
.hero-visual { position: relative; justify-self: end; width: min(100%, 420px); }
.portrait-frame { position: relative; width: 100%; padding: 15px 15px 50px; border: 1px solid rgba(198,166,107,.55); }
.portrait-frame::before { position: absolute; inset: 28px -17px -15px 29px; border: 1px solid rgba(198,166,107,.24); content: ""; }
.portrait-frame img { position: relative; z-index: 1; width: 100%; height: auto; aspect-ratio: 1 / 1.06; object-fit: cover; object-position: center 37%; filter: saturate(.82); }
.portrait-caption { position: absolute; z-index: 2; right: 10px; bottom: 14px; display: flex; align-items: center; gap: 10px; color: var(--gold-light); font-family: var(--serif); font-size: 13px; font-style: italic; }
.caption-rule { width: 24px; height: 1px; background: var(--gold); }
.hero-index { position: absolute; right: -39px; top: 35%; color: #929eac; font-size: 8px; letter-spacing: .15em; writing-mode: vertical-rl; }
.scroll-cue { position: absolute; bottom: 19px; left: max(32px, calc((100% - 1160px)/2)); display: flex; align-items: center; gap: 10px; color: #aeb8c4; font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.scroll-cue span { color: var(--gold); font-size: 17px; }

.section-heading h2, h2 { margin-bottom: 19px; color: var(--navy); font-size: clamp(36px, 4vw, 51px); letter-spacing: -.035em; line-height: 1.2; }
.section-dark h2 { color: var(--ivory); }
.section-heading h2 em { color: #a58650; }
.section-dark .section-heading h2 em { color: var(--gold); }
.section-lead { max-width: 460px; margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 96px; align-items: start; }
.about-grid .section-heading { padding-top: 10px; }
.about-content { padding-top: 9px; color: #465162; font-size: 13px; line-height: 1.95; }
.about-content > p { margin-bottom: 18px; }
.about-facts { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 35px; padding-top: 22px; border-top: 1px solid var(--line); }
.fact strong { display: block; color: var(--navy); font-family: var(--serif); font-size: 25px; font-weight: 500; line-height: 1.25; }
.fact strong span { color: #77808d; font-family: var(--sans); font-size: 12px; }
.fact small { color: var(--muted); font-size: 9px; letter-spacing: .045em; }
.centered-heading { max-width: 660px; margin: 0 auto 47px; text-align: center; }
.centered-heading .eyebrow { justify-content: center; }
.centered-heading .section-lead { margin-inline: auto; }
.principles-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid rgba(20,36,58,.13); }
.principle-card { min-height: 225px; padding: 27px 25px; border-right: 1px solid rgba(20,36,58,.13); }
.principle-card:last-child { border-right: 0; }
.principle-number { display: block; margin-bottom: 30px; color: #a58650; font-family: var(--serif); font-size: 14px; }
.principle-card h3, .timeline-item h3 { margin-bottom: 11px; color: var(--navy); font-family: var(--serif); font-size: 19px; font-weight: 500; line-height: 1.4; }
.principle-card p { margin: 0; color: #647080; font-size: 11px; line-height: 1.85; }

.experience-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.experience-grid .section-heading { padding-top: 12px; }
.experience-grid .section-lead { color: #b7c0ca; }
.timeline { border-top: 1px solid rgba(248,246,240,.2); }
.timeline-item { display: grid; grid-template-columns: 112px 1fr; gap: 22px; padding: 27px 0; border-bottom: 1px solid rgba(248,246,240,.2); }
.timeline-date { padding-top: 5px; color: var(--gold-light); font-size: 10px; font-weight: 600; letter-spacing: .04em; }
.timeline-item h3 { margin: 0 0 3px; color: var(--ivory); font-size: 22px; }
.timeline-place { margin-bottom: 12px; color: #d2d7de; font-size: 11px; }
.timeline-place span { margin-inline: 4px; color: var(--gold); }
.timeline-item div > p:last-child { max-width: 510px; margin-bottom: 0; color: #aeb8c4; font-size: 11px; line-height: 1.8; }

.portfolio-section { padding-bottom: 96px; }
.portfolio-heading { display: flex; justify-content: space-between; align-items: end; gap: 45px; margin-bottom: 30px; }
.portfolio-heading .section-heading h2 { margin-bottom: 0; }
.portfolio-heading > .section-lead { max-width: 410px; padding-bottom: 5px; }
.filter-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter-button { min-height: 34px; padding: 0 15px; border: 1px solid #d5d2c9; border-radius: 0; color: #556071; background: transparent; cursor: pointer; font-size: 10px; font-weight: 600; transition: .2s; }
.filter-button:hover, .filter-button.is-active { border-color: var(--navy); color: white; background: var(--navy); }
.resource-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.resource-card { display: flex; min-height: 220px; flex-direction: column; padding: 23px 23px 19px; border: 1px solid rgba(20,36,58,.12); background: #fffefa; transition: border-color .2s, transform .2s, box-shadow .2s; }
.resource-card:hover { transform: translateY(-3px); border-color: rgba(198,166,107,.8); box-shadow: 0 10px 30px rgba(20,36,58,.06); }
.resource-meta { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 16px; color: #8d754c; font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.resource-card h3 { margin-bottom: 9px; color: var(--navy); font-family: var(--serif); font-size: 20px; font-weight: 500; line-height: 1.35; }
.resource-card p { margin-bottom: 16px; color: #697483; font-size: 11px; line-height: 1.7; }
.resource-card .card-action { display: inline-flex; justify-content: space-between; align-items: center; width: 100%; margin-top: auto; padding: 12px 0 0; border: 0; border-top: 1px solid rgba(20,36,58,.12); color: var(--navy); background: transparent; cursor: pointer; font-size: 10px; font-weight: 700; text-align: left; }
.resource-card .card-action span { color: #98763f; font-size: 16px; }
.sample-note { margin: 20px 0 0; color: #707987; font-size: 10px; }
.sample-note span { padding-right: 5px; color: #98763f; }
.lesson-section { padding-block: 92px; }
.lesson-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 17px; }
.lesson-card { display: flex; min-height: 218px; flex-direction: column; padding: 25px; border-top: 2px solid var(--gold); background: rgba(255,255,255,.63); }
.lesson-card .small-label { margin-bottom: 12px; }
.lesson-card h3 { margin-bottom: 10px; color: var(--navy); font-family: var(--serif); font-size: 22px; font-weight: 500; line-height: 1.35; }
.lesson-card p { margin-bottom: 17px; color: #687383; font-size: 11px; }
.lesson-card .card-action { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding: 11px 0 0; border: 0; border-top: 1px solid var(--line); color: var(--navy); background: transparent; cursor: pointer; font-size: 10px; font-weight: 700; }
.lesson-card .card-action span { color: #98763f; font-size: 16px; }
.small-label { display: block; color: #98763f; font-size: 9px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }

.qualifications-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 88px; }
.education-list { margin-top: 33px; border-top: 1px solid var(--line); }
.education-item { padding: 22px 0; border-bottom: 1px solid var(--line); }
.education-date { display: block; margin-bottom: 6px; color: #98763f; font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.education-item h3 { margin-bottom: 4px; color: var(--navy); font-family: var(--serif); font-size: 20px; font-weight: 500; }
.education-item > p { margin-bottom: 9px; color: #626e7c; font-size: 11px; }
.education-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.education-tags span { padding: 4px 9px; border: 1px solid #dfd7c7; color: #66583e; font-size: 9px; }
.education-item .thesis-title { margin: 11px 0 0; color: #4f5b69; font-size: 10px; font-style: italic; line-height: 1.75; }
.skills-panel { align-self: start; padding: 30px; border: 1px solid var(--line); background: #f2f0e9; }
.skills-panel h3 { margin: 2px 0 20px; color: var(--navy); font-family: var(--serif); font-size: 23px; font-weight: 500; }
.skill-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 15px; margin: 0; padding: 0; list-style: none; }
.skill-list li { position: relative; padding: 10px 0 10px 16px; border-bottom: 1px solid rgba(20,36,58,.1); color: #4c5969; font-size: 10px; line-height: 1.55; }
.skill-list li::before { position: absolute; left: 0; color: #a58650; content: "—"; }
.development-note { margin-top: 24px; padding-top: 19px; border-top: 1px solid var(--line); }
.development-note p { margin: 8px 0 0; color: #647080; font-size: 10px; line-height: 1.8; }

.research-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 95px; }
.research-content { padding-top: 4px; }
.research-feature { padding: 25px 27px; border-left: 2px solid var(--gold); background: rgba(255,255,255,.62); }
.research-feature h3 { margin: 10px 0 11px; color: var(--navy); font-size: 23px; line-height: 1.4; }
.research-feature p, .research-paper p { margin-bottom: 0; color: #627080; font-size: 11px; line-height: 1.85; }
.research-paper { margin: 20px 0; padding: 0 0 20px; border-bottom: 1px solid var(--line); }
.research-paper h3 { margin: 7px 0; color: var(--navy); font-family: var(--serif); font-size: 17px; font-weight: 500; line-height: 1.5; }
.interest-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.interest-tags span { padding: 6px 10px; border: 1px solid #d8d3c8; color: #566171; font-size: 9px; }

.contact-section { padding: 104px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 92px; align-items: start; }
.contact-copy { padding-top: 11px; }
.contact-copy h2 { max-width: 530px; font-size: clamp(38px, 4vw, 53px); }
.contact-copy h2 em { color: var(--gold); }
.contact-lead { max-width: 510px; margin: 20px 0 27px; color: #b9c1cb; font-size: 12px; line-height: 1.9; }
.contact-links { display: grid; gap: 13px; margin-bottom: 27px; }
.contact-links > a, .contact-links > p { display: flex; align-items: center; gap: 13px; margin: 0; color: #e0e4e9; font-size: 12px; }
.contact-links small { display: block; margin-bottom: 1px; color: #aab5c1; font-size: 9px; letter-spacing: .09em; text-transform: uppercase; }
.contact-icon { display: grid; width: 35px; height: 35px; flex-shrink: 0; place-items: center; border: 1px solid rgba(198,166,107,.5); color: var(--gold-light); font-size: 14px; }
.inquiry-card { padding: 30px; color: var(--ink); background: var(--ivory); }
.inquiry-card h3 { margin: 0 0 7px; color: var(--navy); font-family: var(--serif); font-size: 25px; font-weight: 500; }
.form-intro { margin-bottom: 20px; color: #657080; font-size: 10px; line-height: 1.7; }
.form-row { margin-bottom: 13px; }
.form-row label { display: block; margin-bottom: 5px; color: #3e4a5a; font-size: 10px; font-weight: 700; }
.form-row input, .form-row textarea { display: block; width: 100%; padding: 9px 10px; border: 1px solid #d5d2c9; border-radius: 0; color: var(--ink); background: #fffefa; font-size: 12px; }
.form-row textarea { resize: vertical; }
.form-submit { width: 100%; margin-top: 3px; }
.form-status { min-height: 1em; margin: 10px 0 0; color: #4b5b6c; font-size: 10px; line-height: 1.6; }

.site-footer { padding: 23px 0; border-top: 1px solid rgba(20,36,58,.1); background: var(--ivory); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-brand .brand-mark { width: 33px; height: 33px; font-size: 13px; }
.footer-brand .brand-name { font-size: 14px; }
.footer-brand .brand-subtitle { font-size: 8px; }
.footer-inner > p, .footer-inner > small, .back-top { margin: 0; color: #657080; font-size: 9px; }
.back-top { font-weight: 700; }

.resource-dialog { width: min(690px, calc(100% - 30px)); max-height: min(86vh, 850px); padding: 0; border: 1px solid rgba(20,36,58,.16); color: var(--ink); background: var(--ivory); box-shadow: 0 24px 90px rgba(8,19,32,.32); }
.resource-dialog::backdrop { background: rgba(7,16,28,.7); backdrop-filter: blur(3px); }
.dialog-head { display: flex; align-items: start; justify-content: space-between; gap: 20px; padding: 27px 30px 21px; border-bottom: 1px solid var(--line); }
.dialog-head .eyebrow { margin-bottom: 8px; font-size: 9px; }
.dialog-head h2 { margin: 0; font-size: clamp(25px, 4vw, 34px); }
.dialog-close { display: grid; width: 35px; height: 35px; flex-shrink: 0; place-items: center; border: 1px solid var(--line); color: var(--navy); background: transparent; cursor: pointer; font-size: 25px; line-height: 1; }
.dialog-body { max-height: calc(86vh - 150px); overflow-y: auto; padding: 25px 30px 30px; }
.dialog-body h3 { margin: 19px 0 7px; color: var(--navy); font-family: var(--serif); font-size: 17px; font-weight: 500; }
.dialog-body h3:first-child { margin-top: 0; }
.dialog-body p, .dialog-body li { color: #4f5c6b; font-size: 12px; line-height: 1.8; }
.dialog-body ul, .dialog-body ol { margin: 7px 0 0; padding-left: 21px; }
.dialog-body li { padding: 2px 0; }
.dialog-body .objective-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 0; list-style: none; }
.dialog-body .objective-list li { padding: 10px; border: 1px solid var(--line); background: white; }
.dialog-body .example-box { margin: 12px 0; padding: 14px 16px; border-left: 2px solid var(--gold); color: #334256; background: #f0eee7; font-size: 12px; line-height: 1.8; }
.dialog-footer { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 15px 30px; border-top: 1px solid var(--line); background: #f2f0e9; }
.dialog-footer .button { min-height: 38px; }

@media (max-width: 1050px) {
  .nav-menu { gap: 12px; }
  .nav-menu > a { font-size: 10px; }
  .nav-shell { width: calc(100% - 40px); gap: 18px; }
  .hero-inner { gap: 45px; }
  .about-grid, .experience-grid, .qualifications-grid, .research-grid, .contact-grid { gap: 55px; }
  .principle-card { padding-inline: 18px; }
}
@media (max-width: 820px) {
  .page-width { width: min(100% - 42px, 680px); }
  .nav-shell { min-height: 70px; }
  .menu-toggle { display: flex; width: 40px; height: 40px; flex-direction: column; align-items: center; justify-content: center; gap: 6px; border: 1px solid rgba(20,36,58,.18); }
  .menu-toggle span { width: 17px; height: 1px; background: var(--navy); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .nav-menu { position: absolute; top: calc(100% - 1px); right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 10px 21px 20px; border-bottom: 1px solid var(--line); background: var(--ivory); box-shadow: 0 15px 24px rgba(20,36,58,.08); }
  .nav-menu.is-open { display: flex; flex-direction: column; }
  .nav-menu > a { padding: 10px 0; border-bottom: 1px solid rgba(20,36,58,.08); font-size: 12px; }
  .nav-menu > .button { align-self: start; margin-top: 14px; }
  .hero-inner { min-height: 580px; grid-template-columns: 1fr .78fr; gap: 25px; }
  .hero-visual { width: min(100%, 340px); }
  .hero-index { right: -27px; }
  .hero-intro { font-size: 13px; }
  .section { padding-block: 82px; }
  .about-grid, .experience-grid, .qualifications-grid, .research-grid, .contact-grid { grid-template-columns: 1fr; gap: 38px; }
  .about-grid .section-heading, .experience-grid .section-heading { max-width: 570px; }
  .principles-grid { grid-template-columns: repeat(2,1fr); }
  .principle-card:nth-child(2) { border-right: 0; }
  .principle-card:nth-child(-n+2) { border-bottom: 1px solid rgba(20,36,58,.13); }
  .resource-grid { grid-template-columns: repeat(2,1fr); }
  .lesson-grid { grid-template-columns: repeat(2,1fr); }
  .lesson-card:last-child { grid-column: span 2; }
  .skills-panel { max-width: none; }
  .contact-grid { gap: 42px; }
  .inquiry-card { max-width: 600px; }
  .footer-inner { flex-wrap: wrap; }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .page-width { width: calc(100% - 38px); }
  .nav-shell { width: calc(100% - 34px); }
  .brand-mark { width: 35px; height: 35px; }
  .brand-name { font-size: 15px; }
  .brand-subtitle { font-size: 8px; }
  .hero { min-height: auto; }
  .hero-inner { min-height: 0; grid-template-columns: 1fr; gap: 38px; padding-top: 55px; padding-bottom: 72px; }
  h1 { max-width: 480px; font-size: clamp(43px, 13vw, 62px); }
  .hero-intro { max-width: 490px; font-size: 13px; }
  .hero-support { max-width: 400px; font-size: 11px; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { min-height: 46px; padding-inline: 13px; font-size: 10px; }
  .location-line { flex-wrap: wrap; margin-top: 23px; font-size: 9px; }
  .hero-visual { justify-self: center; width: min(83%, 350px); }
  .portrait-frame { padding: 11px 11px 42px; }
  .portrait-frame::before { inset: 20px -12px -11px 20px; }
  .hero-index { right: -24px; font-size: 7px; }
  .scroll-cue { left: 19px; font-size: 8px; }
  .section { padding-block: 70px; }
  .section-heading h2, h2 { font-size: 37px; }
  .section-lead { font-size: 12px; }
  .about-facts { gap: 8px; }
  .fact strong { font-size: 22px; }
  .fact small { font-size: 8px; }
  .centered-heading { margin-bottom: 31px; }
  .principles-grid { grid-template-columns: 1fr; }
  .principle-card { min-height: 0; padding: 21px; border-right: 0; border-bottom: 1px solid rgba(20,36,58,.13); }
  .principle-card:last-child { border-bottom: 0; }
  .principle-number { margin-bottom: 13px; }
  .timeline-item { grid-template-columns: 1fr; gap: 7px; padding-block: 22px; }
  .timeline-date { padding: 0; }
  .portfolio-heading { align-items: start; flex-direction: column; gap: 14px; margin-bottom: 24px; }
  .portfolio-heading > .section-lead { max-width: 520px; }
  .filter-list { gap: 6px; margin-bottom: 19px; }
  .filter-button { min-height: 32px; padding-inline: 10px; font-size: 9px; }
  .resource-grid, .lesson-grid { grid-template-columns: 1fr; }
  .lesson-card:last-child { grid-column: auto; }
  .resource-card { min-height: 195px; }
  .lesson-card { min-height: 190px; }
  .skills-panel { padding: 22px 18px; }
  .skill-list { grid-template-columns: 1fr; }
  .contact-section { padding-block: 72px; }
  .contact-copy h2 { font-size: 39px; }
  .inquiry-card { padding: 23px 18px; }
  .footer-inner { justify-content: space-between; }
  .footer-inner > p { order: 3; width: 100%; }
  .footer-inner > small { order: 4; }
  .dialog-head { padding: 20px 19px 16px; }
  .dialog-body { padding: 19px; }
  .dialog-footer { padding: 12px 19px; }
  .dialog-body .objective-list { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* A quieter, more documentary treatment keeps the real teaching history in focus. */
:root {
  --navy: #24352f;
  --navy-soft: #35483f;
  --ivory: #f7f5ef;
  --paper: #edece5;
  --gold: #a56f4d;
  --gold-light: #a56f4d;
  --ink: #29332e;
  --muted: #626b65;
  --line: rgba(41, 51, 46, .18);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
}

body { line-height: 1.65; }
.site-header { background: var(--ivory); backdrop-filter: none; }
.nav-shell { min-height: 72px; }
.brand-mark { border-color: var(--line); }
.brand-subtitle { letter-spacing: .08em; }
.nav-menu > a { font-size: 12px; font-weight: 500; }
.button { font-size: 12px; }
.button-gold { color: white; }
.button-outline { border-color: #69736c; color: var(--navy); }
.button-outline:hover:not(:disabled) { border-color: var(--navy); color: var(--navy); background: rgba(36,53,47,.05); }
.hero { min-height: 590px; background: var(--ivory); color: var(--ink); }
.hero-inner { min-height: 590px; grid-template-columns: 1.02fr .78fr; gap: 9%; padding-block: 54px 68px; }
.hero-copy { max-width: 610px; }
.hero .eyebrow { color: #7e5d43; letter-spacing: .1em; }
.eyebrow-rule { background: #a56f4d; }
.hero h1 { max-width: 570px; margin-bottom: 22px; color: #24352f; font-size: clamp(48px, 5.3vw, 70px); letter-spacing: -.055em; }
.hero h1 em { color: #738064; }
.hero-intro { max-width: 520px; color: #414d46; font-size: 16px; line-height: 1.8; }
.hero-support { color: #69736c; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.hero .button-gold { background: #52654f; }
.hero .button-gold:hover:not(:disabled) { background: #3f5240; }
.location-line { color: #58645d; font-size: 11px; }
.location-dot { background: #748064; }
.location-divider { color: #93998f; }
.hero-visual { width: min(100%, 400px); }
.portrait-frame { margin: 0; padding: 0 0 34px; border: 0; }
.portrait-frame::before { inset: auto 0 0 32px; height: 72%; border: 0; border-left: 1px solid rgba(41,51,46,.25); border-bottom: 1px solid rgba(41,51,46,.25); }
.portrait-frame img { aspect-ratio: 4 / 5; object-fit: cover; object-position: center 40%; filter: none; }
.portrait-caption { right: 0; bottom: 0; gap: 8px; color: #505b53; font-family: var(--sans); font-size: 10px; font-style: normal; letter-spacing: .04em; }
.caption-rule { width: 17px; background: #a56f4d; }
.hero-index { display: none; }
.scroll-cue { color: #69736c; font-size: 9px; letter-spacing: .08em; }
.scroll-cue span { color: #738064; }
.cv-note { color: var(--muted); }

.section { padding-block: 88px; }
.eyebrow { letter-spacing: .1em; }
.eyebrow-dark { color: #7e5d43; }
.section-heading h2, h2 { font-size: clamp(35px, 3.8vw, 48px); letter-spacing: -.04em; }
.section-heading h2 em { color: #738064; }
.section-lead { font-size: 14px; line-height: 1.8; }
.about-grid { gap: 8%; }
.about-grid .section-heading { position: sticky; top: 110px; }
.about-content { font-size: 14px; line-height: 1.85; }
.about-content > p { margin-bottom: 19px; }
.about-facts { gap: 12px; margin-top: 28px; }
.fact strong { font-family: var(--sans); font-size: 19px; font-weight: 700; letter-spacing: -.03em; }
.fact small { font-size: 10px; }
.centered-heading { text-align: left; }
.centered-heading .eyebrow { justify-content: flex-start; }
.centered-heading .section-lead { margin-inline: 0; }
.principles-grid { display: block; border: 0; border-top: 1px solid var(--line); }
.principle-card { display: grid; min-height: 0; grid-template-columns: 55px minmax(190px,.7fr) 1.3fr; align-items: baseline; gap: 18px; padding: 17px 0; border: 0; border-bottom: 1px solid var(--line); }
.principle-number { margin: 0; font-family: var(--sans); font-size: 10px; }
.principle-card h3 { margin: 0; font-family: var(--sans); font-size: 15px; font-weight: 700; }
.principle-card p { max-width: 490px; font-size: 12px; }
#experience { color: var(--ink); background: #eeece5; }
.experience-grid { grid-template-columns: .75fr 1.25fr; gap: 8%; }
#experience .eyebrow { color: #7e5d43; }
#experience .section-heading h2 { color: var(--navy); }
#experience .section-heading h2 em { color: #738064; }
.experience-grid .section-lead { color: #626b65; }
.timeline { border-color: rgba(41,51,46,.22); }
.timeline-item { grid-template-columns: 125px 1fr; border-color: rgba(41,51,46,.22); }
.timeline-date { color: #7e5d43; }
.timeline-item h3 { color: var(--navy); font-size: 21px; }
.timeline-place { color: #525e56; }
.timeline-item div > p:last-child { color: #626b65; font-size: 12px; }
.portfolio-heading { align-items: start; }
.filter-button { border-radius: 0; }
.filter-button:hover, .filter-button.is-active { border-color: #52654f; background: #52654f; }
.resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; border-top: 1px solid var(--line); }
.resource-card { min-height: 185px; padding: 22px 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; }
.resource-card:hover { transform: none; border-color: var(--line); box-shadow: none; }
.resource-meta { margin-bottom: 10px; color: #7e5d43; }
.resource-card h3 { font-size: 21px; }
.resource-card p { font-size: 12px; }
.resource-card .card-action { max-width: 220px; border-color: var(--line); }
.sample-note { margin-top: 24px; color: #465248; font-size: 12px; }
.sample-note span { color: #7e5d43; font-weight: 700; }
.lesson-section { padding-block: 76px; }
.lesson-grid { grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); }
.lesson-card { min-height: 0; display: grid; grid-template-columns: 145px minmax(190px,.75fr) 1.25fr 190px; align-items: center; gap: 18px; padding: 20px 0; border-top: 0; border-bottom: 1px solid var(--line); background: transparent; }
.lesson-card .small-label { margin: 0; }
.lesson-card h3 { margin: 0; font-family: var(--sans); font-size: 15px; font-weight: 700; }
.lesson-card p { margin: 0; font-size: 11px; }
.lesson-card .card-action { margin: 0; padding: 8px 0; }
.qualifications-grid { gap: 8%; }
.education-item h3 { font-size: 19px; }
.skills-panel { border: 0; border-top: 2px solid #738064; background: #eeece5; }
.skills-panel h3 { font-family: var(--sans); font-size: 20px; font-weight: 700; }
.skill-list li { font-size: 11px; }
.research-grid { gap: 8%; }
.research-feature { padding: 22px 0 22px 24px; background: transparent; }
.research-feature h3 { font-size: 24px; }
.research-paper h3 { font-size: 18px; }
.interest-tags span { border-color: #c9c9bd; }
.contact-section { padding-block: 88px; }
.inquiry-card { background: #f7f5ef; }
.inquiry-card h3 { font-family: var(--sans); font-size: 21px; font-weight: 700; }
.site-footer { background: #eeece5; }
.footer-inner > p, .footer-inner > small, .back-top { font-size: 10px; }

@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr .8fr; gap: 5%; }
  .about-grid .section-heading { position: static; }
  .principle-card { grid-template-columns: 36px minmax(160px,.7fr) 1.3fr; gap: 12px; }
  .lesson-card { grid-template-columns: 120px 1fr 1.2fr; }
  .lesson-card .card-action { grid-column: 2 / -1; }
}
@media (max-width: 560px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; padding-block: 48px 70px; }
  .hero h1 { font-size: clamp(43px, 11.5vw, 57px); }
  .hero-intro { font-size: 14px; }
  .hero-visual { width: min(87%, 350px); justify-self: center; }
  .principle-card { grid-template-columns: 30px 1fr; gap: 7px 12px; }
  .principle-card p { grid-column: 2; }
  .resource-grid { grid-template-columns: 1fr; }
  .lesson-card { grid-template-columns: 1fr; gap: 7px; }
  .lesson-card .card-action { grid-column: auto; margin-top: 5px; }
  .timeline-item { grid-template-columns: 1fr; }
}

.compact-skill-list { margin-top: 10px; }
.certifications { margin-top: 64px; padding-top: 36px; border-top: 1px solid var(--line); }
.certifications-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 0 36px; margin-bottom: 21px; }
.certifications-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 9px; }
.certifications-heading h3 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: 32px; font-weight: 500; }
.certifications-heading h3 em { color: #738064; }
.certifications-heading .section-lead { font-size: 11px; }
.certification-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 34px; border-top: 1px solid var(--line); }
.certification-item { padding: 17px 0; border-bottom: 1px solid var(--line); }
.certification-item h4 { margin: 0 0 6px; color: var(--navy); font-family: var(--sans); font-size: 13px; line-height: 1.5; }
.certification-item p { margin: 4px 0 0; color: #626b65; font-size: 10px; line-height: 1.7; }
.certification-item p strong { color: #414b44; font-weight: 700; }
.certification-item p span { padding-inline: 4px; color: #9b8065; }

.whatsapp-float {
  position: fixed;
  z-index: 19;
  right: 22px;
  bottom: max(22px, env(safe-area-inset-bottom));
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 19px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  color: #fff;
  background: #168b53;
  box-shadow: 0 5px 18px rgba(19, 49, 34, .22);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.whatsapp-float:hover { transform: translateY(-2px); background: #117545; box-shadow: 0 8px 22px rgba(19,49,34,.28); }
.whatsapp-float:focus-visible { outline-color: #168b53; outline-offset: 4px; }
.whatsapp-float svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.whatsapp-float svg path + path { fill: currentColor; stroke: none; }

.contact-links { gap: 9px; }
.contact-details-card { align-self: center; padding: 28px; border-top: 3px solid #738064; color: var(--ink); background: #f7f5ef; }
.contact-details-card > .eyebrow { margin-bottom: 10px; }
.contact-details-card h3 { margin: 0 0 17px; color: var(--navy); font-family: var(--sans); font-size: 21px; font-weight: 700; }
.contact-links > a {
  min-height: 63px;
  padding: 10px 13px;
  border: 1px solid rgba(41,51,46,.16);
  color: #39463d;
  transition: border-color .2s, background .2s, transform .2s;
}
.contact-links > a:hover { transform: translateX(3px); border-color: #a56f4d; background: #fff; }
.contact-links .contact-icon { width: 38px; height: 38px; border-color: rgba(82,101,79,.45); color: #52654f; }
.contact-links small, .contact-location small { color: #69736c; }
.contact-arrow { margin-left: auto; color: #738064; font-size: 15px; }
.contact-details-card .contact-location { display: flex; align-items: center; gap: 12px; margin: 15px 0 0; color: #39463d; font-size: 11px; }
.contact-location .contact-icon { width: 38px; height: 38px; border-color: rgba(82,101,79,.45); color: #52654f; }
.contact-location small { display: block; margin-bottom: 1px; font-size: 9px; letter-spacing: .09em; text-transform: uppercase; }
.contact-copy .button-outline { border-color: rgba(248,246,240,.65); color: var(--ivory); }
.contact-copy .button-outline:hover { border-color: var(--gold-light); color: var(--gold-light); }
.inquiry-card { padding: 26px; }
.inquiry-card h3 { font-size: 22px; }
.form-row { margin-bottom: 11px; }
.form-row input, .form-row textarea { padding: 8px 10px; }
.form-submit { min-height: 44px; }

.site-footer { padding: 0; }
.footer-inner { display: block; }
.footer-main { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; padding: 23px 0; }
.footer-location { margin: 0; color: #657080; font-size: 11px; }
.footer-contact, .footer-nav { display: flex; flex-wrap: wrap; gap: 19px; }
.footer-contact a, .footer-nav a { color: #4f5c53; font-size: 11px; font-weight: 600; }
.footer-contact a:hover, .footer-nav a:hover, .back-top:hover { color: #7e5d43; text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 15px; padding: 15px 0; border-top: 1px solid rgba(41,51,46,.14); }
.footer-bottom small, .back-top { color: #657080; font-size: 10px; }

@media (max-width: 820px) {
  .certifications-heading { grid-template-columns: 1fr; gap: 8px; }
  .certifications-heading .eyebrow { grid-column: auto; }
  .lesson-card { grid-template-columns: 1fr; gap: 7px; }
  .lesson-card .card-action { grid-column: auto; margin-top: 5px; }
  .footer-main { grid-template-columns: 1fr auto; gap: 14px 22px; }
  .footer-contact { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .certifications { margin-top: 45px; padding-top: 28px; }
  .certifications-heading h3 { font-size: 28px; }
  .certification-list { grid-template-columns: 1fr; }
  .whatsapp-float { right: 15px; bottom: max(15px, env(safe-area-inset-bottom)); min-height: 50px; padding-inline: 15px; }
  .contact-links > a { min-height: 58px; }
  .contact-details-card { padding: 22px 17px; }
  .inquiry-card { padding: 21px 18px; }
  .footer-main { grid-template-columns: 1fr; gap: 12px; padding-block: 21px; }
  .footer-contact, .footer-nav { gap: 12px 18px; }
  .footer-bottom { justify-content: flex-start; gap: 11px 18px; }
  .footer-nav { width: 100%; }
}