:root {
  --ivory:#FAF7F1; --surface:#FFFDF9; --ink:#1A1714; --muted:#6B635B;
  --brass:#A8763B; --brass-dark:#875E2C; --hairline:#E7DFD3;
  --font-display:"Fraunces", Georgia, serif;
  --font-sans:"Inter", system-ui, -apple-system, sans-serif;
  --maxw:1080px; --gutter:clamp(1.25rem, 4vw, 3rem);
  --space:clamp(4rem, 9vw, 7.5rem); /* vertical section rhythm */
}
*,*::before,*::after{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--ivory);color:var(--ink);font-family:var(--font-sans);
  font-size:clamp(1rem,0.95rem + 0.3vw,1.125rem);line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.08;
  letter-spacing:-0.01em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
section{padding-block:var(--space)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--ivory) 88%, transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--hairline)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;
  min-height:64px}
.site-header__name{font-family:var(--font-display);font-weight:600;font-size:1.1rem}
.site-nav{display:flex;gap:1.75rem;align-items:center;font-size:0.95rem}
.site-nav a{color:var(--muted);transition:color .2s}
.site-nav a:hover{color:var(--ink)}
.site-nav__cta{color:var(--ink)!important;border:1px solid var(--ink);
  padding:.45rem .9rem;border-radius:999px}
.site-nav__cta:hover{background:var(--ink);color:var(--ivory)!important}
@media (max-width:640px){
  .site-nav a:not(.site-nav__cta){display:none}
  .site-nav{gap:.5rem;flex-shrink:0}
  .site-header__name{font-size:.95rem;min-width:0;overflow:hidden;
    text-overflow:ellipsis;white-space:nowrap}
  .site-nav__cta{padding:.4rem .75rem;font-size:.88rem;white-space:nowrap}
}

/* Reveal hook (animated in Task 10) */
.reveal{opacity:0;transform:translateY(18px)}
.reveal.is-visible{opacity:1;transform:none;
  transition:opacity .6s ease, transform .6s ease}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}

/* Hero */
.hero{position:relative;padding-block:clamp(3.5rem,8vw,6rem) var(--space)}
.hero__grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:clamp(2rem,5vw,4rem);
  align-items:center}
.hero__eyebrow{font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brass-dark);font-weight:600;margin-bottom:1.25rem;
  overflow-wrap:break-word;word-break:break-word}
.hero__title{font-size:clamp(2.75rem,7vw,5rem);font-weight:600;
  font-optical-sizing:auto}
.hero__lede{font-size:clamp(1.1rem,1rem + 0.5vw,1.4rem);color:var(--muted);
  max-width:32ch;margin-top:1.5rem;line-height:1.5}
.hero__actions{display:flex;gap:1rem;margin-top:2.25rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;padding:.8rem 1.5rem;border-radius:999px;
  font-weight:500;font-size:.98rem;transition:all .2s}
.btn--solid{background:var(--ink);color:var(--ivory)}
.btn--solid:hover{background:var(--brass-dark)}
.btn--ghost{border:1px solid var(--hairline);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink)}
.hero__portrait img{width:100%;height:clamp(380px,42vw,540px);border-radius:14px;
  object-fit:cover;object-position:50% 32%;
  box-shadow:0 24px 60px -28px rgba(26,23,20,.5);filter:saturate(.96)}
.hero__scroll{position:absolute;left:50%;bottom:1.5rem;transform:translateX(-50%);
  color:var(--muted);font-size:1.3rem;animation:bob 2s ease-in-out infinite}
@keyframes bob{50%{transform:translate(-50%,6px)}}
@media (max-width:760px){
  .hero__grid{grid-template-columns:1fr;text-align:left}
  .hero__portrait{order:-1;max-width:260px}
  .hero__scroll{display:none}
  .hero__eyebrow{letter-spacing:.08em}
}
@media (prefers-reduced-motion:reduce){.hero__scroll{animation:none}}

/* About */
.section-title{font-size:.9rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brass-dark);font-family:var(--font-sans);font-weight:600}
.about__grid{display:grid;grid-template-columns:200px 1fr;gap:clamp(1.5rem,4vw,3rem)}
.about__body p{font-size:clamp(1.15rem,1rem + 0.6vw,1.5rem);line-height:1.55}
.about__body p+p{margin-top:1.5rem}
.stats{list-style:none;padding:0;margin-top:clamp(2.5rem,6vw,4rem);
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;
  border-top:1px solid var(--hairline);padding-top:2.5rem}
.stats li{display:flex;flex-direction:column;gap:.35rem}
.stats__n{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);
  font-weight:600;color:var(--ink)}
.stats__l{font-size:.9rem;color:var(--muted)}
@media (max-width:760px){
  .about__grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:2rem}
}

/* Experience */
.timeline{list-style:none;padding:0;margin-top:2.5rem;display:grid;gap:3rem}
.tl-group{display:grid;grid-template-columns:240px 1fr;gap:clamp(1rem,3vw,2.5rem);
  align-items:start}
.tl-co h3{font-size:1.5rem}
.tl-co__meta{display:block;color:var(--muted);font-size:.85rem;margin-top:.4rem}
.tl-role{position:relative;padding-left:1.5rem;border-left:2px solid var(--hairline)}
.tl-role + .tl-role{margin-top:1.75rem}
.tl-role::before{content:"";position:absolute;left:-7px;top:.5rem;width:12px;
  height:12px;border-radius:50%;background:var(--brass)}
.tl-when{font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tl-role h4{font-family:var(--font-display);font-size:1.2rem;margin:.25rem 0 .5rem}
.tl-role p{color:var(--muted);font-size:1rem}
.tl-foot{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--hairline);
  color:var(--muted);font-style:italic}
@media (max-width:760px){.tl-group{grid-template-columns:1fr;gap:1rem}}

/* Expertise */
.expertise__top{margin-top:1.25rem;font-size:1.15rem;color:var(--ink);font-weight:500}
.cards{margin-top:2.5rem;display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.card{background:var(--surface);border:1px solid var(--hairline);border-radius:14px;
  padding:1.75rem;transition:transform .25s, box-shadow .25s}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 36px -24px rgba(26,23,20,.45)}
.card h3{font-size:1.3rem;margin-bottom:.6rem}
.card p{color:var(--muted);font-size:1rem}
@media (max-width:640px){.cards{grid-template-columns:1fr}}

/* Highlights */
.highlights__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);margin-top:0}
.hl-list{list-style:none;padding:0;margin-top:1.75rem;display:grid;gap:1.1rem}
.hl-list li{display:grid;grid-template-columns:3.5rem 1fr;gap:.75rem;
  padding-bottom:1.1rem;border-bottom:1px solid var(--hairline);color:var(--muted)}
.hl-list strong{color:var(--ink);font-weight:600;line-height:1.35}
.hl-item{display:flex;flex-direction:column;gap:.25rem}
.hl-detail{color:var(--muted);font-size:.92rem;line-height:1.45}
.hl-year{color:var(--brass-dark);font-weight:600;font-variant-numeric:tabular-nums}
.hl-list--plain li{grid-template-columns:1fr;border-bottom:1px solid var(--hairline)}
@media (max-width:760px){.highlights__grid{grid-template-columns:1fr;gap:3rem}}

/* Education */
.education__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem)}
.edu-list{list-style:none;padding:0;margin-top:1.75rem;display:grid;gap:1.25rem}
.edu-list strong{display:block;font-weight:600}
.edu-list span{color:var(--muted);font-size:.92rem}
.tag-list{list-style:none;padding:0;margin-top:1.5rem;display:flex;flex-wrap:wrap;gap:.6rem}
.tag-list li{border:1px solid var(--hairline);border-radius:999px;
  padding:.4rem .9rem;font-size:.88rem;color:var(--muted);background:var(--surface)}
.section-title--spaced{margin-top:2.5rem}
@media (max-width:760px){.education__grid{grid-template-columns:1fr;gap:2.5rem}}

/* Contact */
.contact{background:var(--ink);color:var(--ivory);border-radius:24px;
  margin-inline:var(--gutter);margin-bottom:var(--space)}
.contact__inner{text-align:center;padding-block:clamp(3rem,8vw,5rem)}
.contact__title{font-size:clamp(2.5rem,6vw,4rem);color:var(--ivory)}
.contact__sub{color:#C9C0B5;margin-top:1rem;max-width:42ch;margin-inline:auto}
.contact__links{display:flex;gap:1rem;justify-content:center;margin-top:2.25rem;flex-wrap:wrap}
.contact .btn--solid{background:var(--brass);color:var(--ink)}
.contact .btn--solid:hover{background:var(--ivory)}
.contact .btn--ghost{border-color:#4A433C;color:var(--ivory)}
.contact .btn--ghost:hover{border-color:var(--ivory)}
.site-footer{border-top:1px solid var(--hairline);padding-block:2rem}
.site-footer__inner{display:flex;justify-content:space-between;color:var(--muted);
  font-size:.9rem;font-family:var(--font-display)}