:root {
  --paper: #f4f6f7;
  --paper-deep: #e7edef;
  --white: #ffffff;
  --ink: #172b33;
  --ink-soft: #455f68;

  --panel: #102f3a;
  --panel-deep: #0c2731;
  --panel-text: #f6fafb;
  --panel-muted: #b9cdd2;
  --panel-line: #3c5964;

  --accent: #65aab5;
  --accent-dark: #2d6f7a;
  --achievement: #c88a66;

  --teal: var(--accent-dark);
  --teal-dark: #245b64;
  --signal: var(--achievement);
  --contact: #153944;
  --line: rgba(23, 43, 51, 0.18);
  --line-dark: rgba(185, 205, 210, 0.38);
  --shadow: 0 22px 56px rgba(18, 40, 48, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 5%, rgba(101, 170, 181, .09), transparent 24rem),
    linear-gradient(180deg, #f9faf9 0, var(--paper) 52rem, var(--paper-deep) 100%);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
a { color: inherit; }
img { display: block; max-width: 100%; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 50%; background: var(--ink); color: var(--white);
  font: 700 12px/1 Arial; letter-spacing: .08em;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: .01em; }
.brand small { margin-top: 1px; color: var(--ink-soft); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
nav { display: flex; gap: 26px; font-size: 14px; font-weight: 700; }
nav a { text-decoration: none; }
nav a:hover { color: var(--teal); }

.hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 720px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: clamp(48px, 7vw, 108px);
  padding: 92px 0 108px;
}
.eyebrow { margin: 0 0 18px; color: var(--accent-dark); font-size: 20px; font-weight: 900; text-transform: uppercase; letter-spacing: .09em; }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(48px, 6vw, 78px); line-height: .98; letter-spacing: -.055em; }
.hero-lede { max-width: 710px; margin: 30px 0 0; color: var(--ink-soft); font-size: clamp(17px, 1.8vw, 21px); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border: 1px solid var(--ink); text-decoration: none; font-size: 15px; font-weight: 800; }
.button-primary { background: var(--ink); color: white; }
.button-primary:hover { background: var(--teal-dark); }
.button-secondary:hover { background: rgba(255,255,255,.45); }
.hero-links { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 22px; font-size: 15px; font-weight: 700; }
.hero-links a { text-underline-offset: 4px; }

.systems-card { background: var(--panel); color: var(--panel-text); box-shadow: var(--shadow); }
.systems-card-top, .systems-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.systems-card-top { padding: 19px 24px; border-bottom: 1px solid var(--line-dark); color: var(--panel-text); font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: .075em; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #76d3a7; box-shadow: 0 0 0 5px rgba(118,211,167,.12); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.systems-intro { display: grid; grid-template-columns: 190px minmax(0, 1fr); border-bottom: 1px solid var(--line-dark); }
.profile-photo {
  width: calc(100% - 28px);
  aspect-ratio: 4 / 5;
  min-height: 0;
  margin: 16px 12px 16px 16px;
  align-self: center;
  overflow: hidden;
  background: var(--panel-deep);
  border: 1px solid var(--line-dark);
}
.profile-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 34%; }
.profile-number { display: grid; align-content: end; gap: 15px; padding: 30px 26px; }
.profile-number strong { color: var(--achievement); font-size: 68px; line-height: .8; letter-spacing: -.06em; }
.profile-number span { color: var(--panel-text); font-size: 18px; line-height: 1.5; }
.focus-list { border-top: 0; }
.focus-row { display: grid; grid-template-columns: 118px 1fr; gap: 22px; padding: 21px 30px; border-bottom: 1px solid var(--line-dark); }
.focus-row span { color: #9ed8e2; font: 800 18px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .035em; }
.focus-row strong { color: var(--panel-text); font-size: 18px; line-height: 1.5; }
.systems-footer { padding: 19px 30px; color: var(--panel-muted); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }

.section { padding: 116px max(20px, calc((100% - 1180px) / 2)); }
.work-section { background: var(--panel); color: var(--panel-text); }
.work-section .eyebrow,
.evidence-section .eyebrow {
  color: var(--accent);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .09em;
}
.section-heading { display: grid; grid-template-columns: 1fr .75fr; gap: 60px; align-items: end; margin-bottom: 56px; }
.section-heading h2 { margin: 0; max-width: 650px; font-size: clamp(42px, 5vw, 66px); line-height: 1; letter-spacing: -.045em; }
.section-heading > p { margin: 0; color: var(--panel-muted); font-size: 18px; }

.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.22); border-left: 1px solid rgba(255,255,255,.22); }
.project-card { min-width: 0; border-right: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
.project-image { position: relative; height: 360px; overflow: hidden; display: block; background: #e8e1d4; }
.project-image img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .45s ease; }
.project-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(6,26,27,.72)); }
.project-image span { position: absolute; z-index: 1; right: 20px; bottom: 18px; color: white; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.project-image:hover img { transform: scale(1.025); }
.project-body { position: relative; padding: 34px 36px 38px; }
.project-index { position: absolute; right: 30px; top: 31px; color: var(--panel-muted); font: 800 14px/1 ui-monospace, monospace; }
.project-kicker { margin: 0 48px 10px 0; color: var(--achievement); font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: .09em; }
.project-body h3 { margin: 0; max-width: 500px; font-size: 29px; line-height: 1.12; letter-spacing: -.025em; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; }
.tag-list span { padding: 6px 9px; border: 1px solid var(--panel-line); color: var(--panel-text); font: 13px/1.3 ui-monospace, monospace; }
.project-summary { margin: 24px 0 20px; color: var(--panel-text); font-size: 17px; }
.result-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px 18px; margin: 0; padding: 0; list-style: none; }
.result-list li { position: relative; padding-left: 14px; color: var(--panel-muted); font-size: 15px; }
.result-list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 5px; height: 5px; background: var(--signal); }
.project-links { display: flex; gap: 20px; margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.14); }
.project-links a { color: white; font-size: 15px; font-weight: 800; text-underline-offset: 4px; }

.light-heading .eyebrow { color: var(--teal); }
.light-heading > p { color: var(--ink-soft); }
.additional-work { background: #f8faf9; }
.compact-project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.compact-project { min-height: 330px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.22); }
.compact-topline { display: flex; justify-content: space-between; gap: 20px; color: var(--accent-dark); font: 700 12px/1.4 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .09em; }
.compact-project h3 { margin: 54px 0 12px; max-width: 310px; font-size: 26px; line-height: 1.15; letter-spacing: -.025em; }
.compact-tech { min-height: 43px; color: var(--teal-dark); font: 700 12px/1.6 ui-monospace, monospace; }
.compact-project > p:last-child { margin: 22px 0 0; color: var(--ink-soft); font-size: 15px; }

.experience-section { background: var(--paper); border-top: 1px solid var(--line); }
.experience-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, .5fr); gap: 72px; align-items: start; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 150px 1fr; gap: 32px; padding: 36px 0 42px; border-bottom: 1px solid var(--line); }
.timeline-period { color: var(--accent-dark); font: 700 13px/1.5 ui-monospace, monospace; letter-spacing: .05em; }
.timeline-location { margin: 0 0 5px; color: var(--ink-soft); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; }
.timeline-content h3 { margin: 0; font-size: 27px; line-height: 1.15; letter-spacing: -.025em; }
.timeline-org { margin: 6px 0 20px; color: var(--teal-dark); font-size: 15px; font-weight: 800; }
.timeline-content ul { margin: 0; padding: 0; list-style: none; }
.timeline-content li { position: relative; margin-top: 10px; padding-left: 18px; color: var(--ink-soft); font-size: 15px; }
.timeline-content li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 2px; background: var(--signal); }
.education-card { position: sticky; top: 24px; padding: 34px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 16px 46px rgba(22, 43, 43, .08); }
.education-item { padding: 24px 0; border-top: 1px solid var(--line); }
.education-item span { color: var(--signal); font: 700 13px/1 ui-monospace, monospace; }
.education-item h3 { margin: 10px 0 6px; font-size: 18px; line-height: 1.3; }
.education-item p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.education-note { margin: 18px -34px -34px; padding: 26px 34px; background: var(--teal-dark); color: white; }
.education-note strong { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.education-note p { margin: 8px 0 0; color: var(--panel-muted); font-size: 14px; }

.skills-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; background: #e9e3d8; border-top: 1px solid var(--line); }
.skills-intro { position: sticky; top: 40px; align-self: start; }
.skills-intro h2 { margin: 0; font-size: clamp(40px, 4vw, 58px); line-height: 1; letter-spacing: -.045em; }
.skills-intro > p:last-child { margin-top: 25px; color: var(--ink-soft); }
.skills-list { border-top: 1px solid var(--line); }
.skill-row { display: grid; grid-template-columns: 36px 170px 1fr; gap: 20px; padding: 27px 0; border-bottom: 1px solid var(--line); align-items: start; }
.skill-row > span { color: var(--signal); font: 700 12px/1.5 ui-monospace, monospace; }
.skill-row h3 { margin: 0; font-size: 16px; text-transform: uppercase; letter-spacing: .04em; }
.skill-row p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.evidence-section { padding: 116px max(20px, calc((100% - 1320px) / 2)); background: var(--panel-deep); color: var(--panel-text); }
.evidence-heading { width: min(1180px, 100%); margin: 0 auto 54px; display: grid; grid-template-columns: 1fr .65fr; gap: 60px; align-items: end; }
.evidence-heading h2 { margin: 0; font-size: clamp(42px, 5vw, 66px); line-height: 1; letter-spacing: -.045em; }
.evidence-heading > p { margin: 0; color: var(--panel-muted); font-size: 17px; }
.evidence-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.evidence-item { margin: 0; background: var(--panel); }
.evidence-item a { display: block; height: 320px; overflow: hidden; }
.evidence-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.evidence-item:hover img { transform: scale(1.025); }
.evidence-item figcaption { display: flex; gap: 12px; min-height: 66px; padding: 15px 17px; color: var(--panel-muted); font-size: 14px; }
.evidence-item figcaption span { color: var(--achievement); font: 700 12px/1.6 ui-monospace, monospace; }
.evidence-item { grid-column: span 3; }
.evidence-1 img { object-position: top center; }

.publications-section { background: #f8faf9; }
.publication-hero { display: grid; grid-template-columns: 1fr .8fr; gap: 70px; align-items: end; margin-bottom: 58px; }
.publication-hero h2 { margin: 0; max-width: 720px; font-size: clamp(42px, 5vw, 66px); line-height: 1; letter-spacing: -.045em; }
.publication-stats { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.publication-stats div { min-height: 110px; padding: 21px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.publication-stats strong, .publication-stats span { display: block; }
.publication-stats strong { color: var(--teal); font-size: 35px; line-height: 1; }
.publication-stats span { margin-top: 10px; color: var(--ink-soft); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.publication-list { border-top: 1px solid var(--line); }
.publication-item { display: grid; grid-template-columns: 70px 1fr auto; gap: 28px; align-items: start; padding: 27px 0; border-bottom: 1px solid var(--line); }
.publication-year { color: var(--signal); font: 700 13px/1.5 ui-monospace, monospace; }
.publication-item h3 { margin: 0; max-width: 850px; font-size: 17px; line-height: 1.4; }
.publication-item p { margin: 7px 0 0; color: var(--ink-soft); font-size: 14px; }
.publication-item > a { padding-top: 3px; color: var(--teal-dark); font-size: 13px; font-weight: 800; text-underline-offset: 4px; }
.other-research { display: grid; grid-template-columns: .55fr 1.45fr; gap: 70px; margin-top: 90px; padding-top: 48px; border-top: 3px solid var(--ink); }
.other-research-heading h3 { margin: 0; font-size: 30px; line-height: 1.1; }
.research-note { padding: 0 0 26px; margin-bottom: 26px; border-bottom: 1px solid var(--line); }
.research-note > span { color: var(--signal); font: 700 12px/1.4 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; }
.research-note h4 { margin: 9px 0 7px; font-size: 18px; line-height: 1.35; }
.research-note p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.research-note a { display: inline-block; margin-top: 9px; color: var(--teal-dark); font-size: 13px; font-weight: 800; }
.research-archives { margin-top: 70px; border-top: 1px solid var(--line); }
.research-archives details { border-bottom: 1px solid var(--line); }
.research-archives summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; cursor: pointer; font-size: 15px; font-weight: 800; list-style-position: inside; }
.research-archives summary span { color: var(--signal); font: 700 12px/1 ui-monospace, monospace; }
.archive-list { padding: 2px 0 24px 28px; }
.archive-list article { display: grid; grid-template-columns: 55px 1fr; gap: 18px; padding: 17px 0; border-top: 1px solid rgba(16,42,45,.09); }
.archive-list article > span { color: var(--accent-dark); font: 700 12px/1.5 ui-monospace, monospace; }
.archive-list h4 { margin: 0; font-size: 15px; line-height: 1.4; }
.archive-list p { margin: 5px 0 0; color: var(--ink-soft); font-size: 13px; }

.contact-section { min-height: 560px; padding: 96px max(20px, calc((100% - 1180px) / 2)); display: grid; grid-template-columns: 1.1fr .9fr; gap: 76px; align-items: center; background: var(--contact); color: var(--panel-text); }
.contact-section .eyebrow { color: var(--accent); }
.contact-copy h2 { margin: 0; max-width: 760px; font-size: clamp(46px, 6vw, 78px); line-height: .98; letter-spacing: -.055em; }
.contact-copy > p:last-child { max-width: 670px; margin-top: 26px; color: var(--panel-muted); font-size: 18px; }
.contact-actions { border-top: 1px solid var(--line-dark); }
.contact-actions a { display: block; padding: 20px 0; border-bottom: 1px solid var(--line-dark); color: #ffffff; text-decoration: none; font-size: 16px; font-weight: 800; }
.contact-actions a:hover { padding-left: 8px; }
.contact-actions .contact-primary { font-size: clamp(15px, 2vw, 22px); overflow-wrap: anywhere; }

footer { min-height: 130px; padding: 28px max(20px, calc((100% - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--panel-deep); color: white; }
.footer-brand { color: white; }
.footer-brand .brand-mark { background: white; color: var(--ink); }
.footer-brand small { color: var(--panel-muted); }
footer p { color: var(--panel-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }

@media (max-width: 900px) {
  .site-header { align-items: flex-start; padding: 18px 0; }
  nav { gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 74px 0 90px; }
  .systems-card { max-width: 650px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .project-grid { grid-template-columns: 1fr; }
  .compact-project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .experience-layout, .skills-section, .publication-hero, .other-research, .contact-section { grid-template-columns: 1fr; }
  .education-card, .skills-intro { position: static; }
  .evidence-heading { grid-template-columns: 1fr; gap: 20px; }
  .evidence-item, .evidence-1, .evidence-2, .evidence-3, .evidence-4, .evidence-5, .evidence-6, .evidence-7, .evidence-8 { grid-column: span 6; }
  .contact-section { min-height: auto; }
}

@media (max-width: 620px) {
  .site-header { width: min(100% - 28px, 1180px); }
  .brand small { display: none; }
  nav { font-size: 12px; gap: 11px; }
  nav a:nth-child(2), nav a:nth-child(3) { display: none; }
  .hero { width: min(100% - 28px, 1180px); padding-top: 58px; }
  .hero h1 { font-size: 45px; }
  .systems-intro { grid-template-columns: 1fr; }
  .profile-photo { width: min(180px, calc(100% - 28px)); margin: 14px; justify-self: start; }
  .profile-number { padding: 24px 18px; }
  .profile-number strong { font-size: 58px; }
  .focus-row { grid-template-columns: 1fr; gap: 7px; }
  .systems-footer { align-items: flex-start; flex-direction: column; }
  .section { padding: 84px 14px; }
  .project-image { height: 300px; }
  .project-body { padding: 28px 22px; }
  .result-list { grid-template-columns: 1fr; }
  .compact-project-grid { grid-template-columns: 1fr; }
  .compact-project { min-height: 280px; }
  .timeline-item { grid-template-columns: 1fr; gap: 12px; }
  .skill-row { grid-template-columns: 28px 1fr; }
  .skill-row p { grid-column: 2; }
  .evidence-section { padding: 84px 14px; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-item, .evidence-1, .evidence-2, .evidence-3, .evidence-4, .evidence-5, .evidence-6, .evidence-7, .evidence-8 { grid-column: 1; }
  .evidence-item a, .evidence-1 a, .evidence-7 a { height: 300px; }
  .publication-item { grid-template-columns: 52px 1fr; gap: 16px; }
  .publication-item > a { grid-column: 2; }
  .publication-stats { grid-template-columns: 1fr 1fr; }
  .contact-section { padding: 84px 14px; }
  .contact-copy h2 { font-size: 45px; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Make all section labels larger */
.eyebrow,
.work-section .eyebrow,
.evidence-section .eyebrow,
.contact-section .eyebrow {
  font-size: 20px;
}

/* Increase contrast only on dark backgrounds */
.work-section .eyebrow,
.evidence-section .eyebrow,
.contact-section .eyebrow {
  color: #9ed8e2;
}

/* Main readable content: minimum 18px */
body {
  font-size: 18px;
}

.hero-lede,
.profile-number span,
.focus-row strong,
.section-heading > p,
.project-summary,
.result-list li,
.compact-project > p:last-child,
.timeline-content li,
.education-item h3,
.education-item p,
.skills-intro > p:last-child,
.skill-row p,
.evidence-heading > p,
.evidence-item figcaption,
.publication-item h3,
.publication-item p,
.research-note h4,
.research-note p,
.archive-list h4,
.archive-list p,
.contact-copy > p:last-child,
.contact-actions a {
  font-size: 18px;
}