:root {
  --bg: #f3f0e9;
  --surface: #e8e3d9;
  --text: #151515;
  --muted: #6b6963;
  --line: rgba(21, 21, 21, 0.18);
  --accent: #7c2f2b;
  --header-bg: rgba(243, 240, 233, 0.88);
  --serif: "Source Serif 4", "Iowan Old Style", "Baskerville", Georgia, serif;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --page: min(92vw, 1480px);
}

html[data-theme="dark"] {
  --bg: #151515;
  --surface: #22211f;
  --text: #f0ede6;
  --muted: #aaa69e;
  --line: rgba(240, 237, 230, 0.17);
  --accent: #c7776f;
  --header-bg: rgba(21, 21, 21, 0.88);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .25s ease, color .25s ease;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: var(--accent); color: #fff; }

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 1000;
  transform: translateY(-140%); background: var(--text); color: var(--bg);
  padding: 10px 14px;
}
.skip-link:focus { transform: translateY(0); }

.section-shell { width: var(--page); margin-inline: auto; }
.section-rule { border-top: 1px solid var(--line); }

.site-header {
  width: var(--page); height: 86px; margin-inline: auto;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  position: sticky; top: 0; z-index: 100;
  background: var(--header-bg); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: 13px; width: max-content; font-size: 12px; font-weight: 600; letter-spacing: .09em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--text); font-family: var(--serif); font-size: 14px; letter-spacing: 0; }
.nav { display: flex; gap: clamp(20px, 2.4vw, 42px); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.nav a, .text-button { position: relative; }
.nav a::after, .text-button::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -5px; height: 1px; background: currentColor; transition: right .25s ease; }
.nav a:hover::after, .text-button:hover::after { right: 0; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 16px; }
.text-button, .icon-button, .menu-button { background: none; border: 0; padding: 0; cursor: pointer; }
.text-button { font-size: 12px; font-weight: 500; letter-spacing: .08em; }
.icon-button { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; }
.icon-button svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.moon-icon { display: none; }
html[data-theme="dark"] .sun-icon { display: none; }
html[data-theme="dark"] .moon-icon { display: block; }
.menu-button { display: none; width: 30px; height: 30px; position: relative; }
.menu-button span { position: absolute; width: 22px; height: 1px; background: var(--text); left: 4px; transition: transform .2s ease, top .2s ease; }
.menu-button span:first-child { top: 10px; }
.menu-button span:last-child { top: 18px; }
.menu-button.open span:first-child { top: 14px; transform: rotate(45deg); }
.menu-button.open span:last-child { top: 14px; transform: rotate(-45deg); }

.hero {
  min-height: calc(100vh - 86px);
  display: grid; grid-template-columns: minmax(0, .88fr) minmax(440px, .72fr); gap: clamp(48px, 7vw, 120px);
  align-items: center; padding: 5vh 0 8vh;
}
.eyebrow { margin: 0 0 26px; font-size: 11px; font-weight: 600; letter-spacing: .14em; color: var(--muted); }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(76px, 9.7vw, 160px); font-weight: 400; line-height: .78; letter-spacing: -.065em; }
.hero h1 em { font-weight: 400; color: var(--accent); }
.hero-lead { max-width: 720px; margin: clamp(38px, 6vh, 78px) 0 0; font-family: var(--serif); font-size: clamp(26px, 2.4vw, 42px); line-height: 1.14; letter-spacing: -.02em; }
.hero-links { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 20px 38px; }
.arrow-link { display: inline-flex; gap: 18px; align-items: center; padding-bottom: 7px; border-bottom: 1px solid var(--text); font-size: 13px; }
.arrow-link span:last-child { transition: transform .2s ease; }
.arrow-link:hover span:last-child { transform: translate(3px, 3px); }
.muted-link { color: var(--muted); border-bottom-color: var(--line); }
.hero-meta { margin: clamp(44px, 7vh, 88px) 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.hero-meta dt { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.hero-meta dd { margin: 6px 0 0; font-size: 12px; }
.hero-visual { margin: 0; align-self: stretch; min-height: 650px; position: relative; overflow: hidden; background: var(--surface); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 64% center; filter: saturate(.9) contrast(.98); }
.hero-visual figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 16px 18px; display: flex; justify-content: space-between; gap: 20px; color: #fff; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; background: linear-gradient(to top, rgba(0,0,0,.5), transparent); }

.section-index { padding: 20px 0 0; display: grid; grid-template-columns: 60px 1fr; gap: 16px; color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: .14em; }
.section-title { margin: 0; font-family: var(--serif); font-size: clamp(40px, 5.3vw, 82px); line-height: 1.03; letter-spacing: -.045em; font-weight: 400; }

.about { padding-bottom: clamp(100px, 13vw, 190px); }
.about-grid { display: grid; grid-template-columns: 1.1fr .72fr; gap: clamp(60px, 11vw, 180px); padding-top: clamp(60px, 10vw, 150px); }
.body-copy { max-width: 690px; font-size: clamp(17px, 1.3vw, 21px); line-height: 1.68; }
.body-copy p { margin: 0 0 28px; }
.body-copy p:first-child::first-letter { float: left; font-family: var(--serif); font-size: 5.5em; line-height: .75; padding: 9px 12px 0 0; color: var(--accent); }

.expertise { padding-bottom: clamp(90px, 11vw, 160px); }
.expertise-heading { width: min(900px, 100%); margin: clamp(56px, 8vw, 120px) 0 clamp(55px, 7vw, 100px); }
.expertise-list { border-top: 1px solid var(--line); }
.expertise-row { display: grid; grid-template-columns: 80px minmax(260px, .85fr) 1.15fr; gap: 26px; align-items: baseline; padding: 28px 0 30px; border-bottom: 1px solid var(--line); }
.row-number { font-family: var(--serif); font-style: italic; color: var(--accent); font-size: 14px; }
.expertise-row h3 { margin: 0; font-family: var(--serif); font-size: clamp(25px, 2.2vw, 36px); font-weight: 400; letter-spacing: -.02em; }
.expertise-row p { margin: 0; max-width: 720px; color: var(--muted); font-size: 14px; }

.work { padding-bottom: clamp(100px, 13vw, 190px); }
.work-intro { display: grid; grid-template-columns: 1.1fr .55fr; gap: clamp(60px, 10vw, 150px); align-items: end; padding: clamp(56px, 8vw, 120px) 0 clamp(50px, 7vw, 100px); }
.section-note { margin: 0 0 8px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.work-list { border-top: 1px solid var(--line); }
.work-row { display: grid; grid-template-columns: 100px 1fr minmax(220px, .38fr); gap: 30px; padding: 36px 0 40px; border-bottom: 1px solid var(--line); align-items: start; }
.work-id, .work-tags { color: var(--muted); font-size: 10px; letter-spacing: .1em; }
.work-main h3 { margin: 0 0 13px; font-family: var(--serif); font-size: clamp(30px, 3vw, 47px); font-weight: 400; letter-spacing: -.03em; }
.work-main p { margin: 0; max-width: 820px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.work-tags { text-align: right; padding-top: 12px; line-height: 1.7; }

.experience { padding-bottom: clamp(100px, 12vw, 180px); }
.experience-grid { display: grid; grid-template-columns: minmax(330px, .6fr) 1fr; gap: clamp(60px, 10vw, 150px); padding-top: clamp(60px, 8vw, 120px); align-items: center; }
.profile-visual { margin: 0; background: var(--surface); aspect-ratio: 4 / 4.6; overflow: hidden; }
.profile-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 38%; filter: saturate(.87) contrast(.98); }
.experience-content h2 { margin: 0; font-family: var(--serif); font-size: clamp(44px, 5.2vw, 78px); line-height: .98; font-weight: 400; letter-spacing: -.045em; }
.experience-content h2 em { color: var(--accent); font-weight: 400; }
.experience-role { margin: 35px 0 0; font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.experience-description { margin: 28px 0 0; max-width: 760px; color: var(--muted); font-size: clamp(16px, 1.25vw, 19px); line-height: 1.72; }
.capabilities { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 42px; }
.capabilities span { border: 1px solid var(--line); padding: 7px 10px; font-size: 9px; letter-spacing: .11em; }

.principles { padding-bottom: clamp(100px, 12vw, 175px); }
.principles-grid { display: grid; grid-template-columns: .8fr 1fr; gap: clamp(60px, 11vw, 170px); padding-top: clamp(60px, 8vw, 120px); }
.principle-list { border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 50px 180px 1fr; gap: 22px; padding: 25px 0 28px; border-bottom: 1px solid var(--line); align-items: baseline; }
.principle > span { color: var(--accent); font-family: var(--serif); font-style: italic; }
.principle h3 { margin: 0; font-family: var(--serif); font-size: 27px; font-weight: 400; }
.principle p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }

.contact { padding-bottom: clamp(90px, 10vw, 150px); }
.contact-grid { display: grid; grid-template-columns: 1fr .48fr; gap: clamp(60px, 10vw, 150px); padding-top: clamp(65px, 9vw, 130px); align-items: end; }
.contact-title { margin: 0; font-family: var(--serif); font-size: clamp(58px, 8vw, 126px); line-height: .85; letter-spacing: -.06em; font-weight: 400; }
.contact-title em { color: var(--accent); font-weight: 400; }
.contact-links { display: grid; border-top: 1px solid var(--line); }
.contact-links a { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.contact-links a span { transition: transform .2s ease; }
.contact-links a:hover span { transform: translate(3px, -3px); }

.site-footer { border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto 1fr; padding-top: 20px; padding-bottom: 32px; color: var(--muted); font-size: 9px; letter-spacing: .11em; text-transform: uppercase; }
.footer-center { text-align: center; }
.back-top { justify-self: end; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s cubic-bezier(.2,.75,.25,1), transform .7s cubic-bezier(.2,.75,.25,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: .12s; }

@media (max-width: 1080px) {
  :root { --page: min(91vw, 920px); }
  .site-header { grid-template-columns: 1fr auto; }
  .nav { position: fixed; inset: 86px 0 auto 0; width: 100vw; background: var(--bg); border-bottom: 1px solid var(--line); display: none; flex-direction: column; padding: 30px 4.5vw 38px; gap: 20px; font-size: 15px; }
  .nav.open { display: flex; }
  .menu-button { display: block; }
  .brand-name { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 7vh; gap: 60px; }
  .hero-visual { min-height: 620px; }
  .about-grid, .work-intro, .principles-grid, .contact-grid { grid-template-columns: 1fr; gap: 55px; }
  .expertise-row { grid-template-columns: 60px .85fr 1.15fr; }
  .work-row { grid-template-columns: 70px 1fr; }
  .work-tags { grid-column: 2; text-align: left; padding-top: 0; }
  .experience-grid { grid-template-columns: .68fr 1fr; gap: 55px; }
  .principle { grid-template-columns: 42px 160px 1fr; }
}

@media (max-width: 720px) {
  :root { --page: calc(100vw - 36px); }
  body { font-size: 15px; }
  .site-header { height: 72px; }
  .nav { top: 72px; padding-inline: 18px; }
  .header-actions { gap: 12px; }
  .hero { min-height: auto; padding: 5vh 0 75px; gap: 42px; }
  .hero h1 { font-size: clamp(68px, 24vw, 108px); }
  .hero-lead { font-size: 27px; margin-top: 34px; }
  .hero-links { display: grid; justify-items: start; }
  .hero-meta { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .hero-meta div:last-child { grid-column: 1 / -1; }
  .hero-visual { min-height: 0; aspect-ratio: 4 / 5.2; }
  .hero-visual img { object-position: 61% center; }
  .hero-visual figcaption { font-size: 8px; }
  .section-index { grid-template-columns: 42px 1fr; }
  .section-title { font-size: 42px; }
  .about-grid { padding-top: 55px; }
  .body-copy { font-size: 16px; }
  .expertise-heading { margin: 55px 0 45px; }
  .expertise-row { grid-template-columns: 38px 1fr; gap: 14px; padding: 23px 0 26px; }
  .expertise-row p { grid-column: 2; }
  .work-intro { padding: 55px 0 45px; }
  .work-row { grid-template-columns: 1fr; gap: 12px; padding: 27px 0 31px; }
  .work-tags { grid-column: auto; }
  .experience-grid { grid-template-columns: 1fr; padding-top: 55px; }
  .profile-visual { width: 82%; }
  .experience-content h2 { font-size: 45px; }
  .principles-grid { padding-top: 55px; }
  .principle { grid-template-columns: 35px 1fr; gap: 10px 12px; }
  .principle p { grid-column: 2; }
  .contact-grid { padding-top: 60px; }
  .contact-title { font-size: 61px; }
  .site-footer { grid-template-columns: 1fr auto; gap: 16px; }
  .footer-center { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}