:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --surface-soft: #f5f5f2;
  --text: #202321;
  --muted: #71766f;
  --line: #e4e6e1;
  --accent: #2f5f96;
  --accent-soft: #edf4fb;
  --sidebar: 310px;
  --content: 930px;
  --radius: 16px;
  --shadow: 0 12px 34px rgba(32, 35, 33, .05);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: var(--accent); text-decoration: none; }
a:hover, a:focus, a:active { text-decoration: none; }
img { display: block; max-width: 100%; }
p { margin: 0 0 1rem; }
ul { margin: .65rem 0 0; padding-left: 1.25rem; }
li { margin: .45rem 0; }
strong { font-weight: 650; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar);
  background: var(--surface);
  border-right: 1px solid var(--line);
  z-index: 50;
}
.sidebar-inner {
  min-height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 26px 30px 20px;
  overflow: hidden;
  align-items: center;
  justify-content: center;
}
.profile { display: block; width: 100%; color: var(--text); text-decoration: none; margin-bottom: 24px; text-align: center; }
.profile img {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 18px;
  filter: saturate(.92);
}
.nav { display: grid; width: 100%; gap: 3px; text-align: center; justify-items: center; }
.nav a {
  position: relative;
  color: #5d625d;
  text-decoration: none;
  font-size: 17px;
  font-weight: 600;
  padding: 6px 0;
  transition: color .18s ease;
}
.nav a::before { display: none; }
.nav a:hover, .nav a.active {
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding-left: 12px;
  padding-right: 12px;
}

.main { margin-left: var(--sidebar); }
.section {
  width: min(var(--content), calc(100% - 96px));
  margin: 0 auto;
  padding: 56px 0;
}
.hero { min-height: auto; display: flex; flex-direction: column; justify-content: flex-start; padding-top: 64px; padding-bottom: 58px; }
/* Compact section rhythm: avoids oversized blank bands between content blocks. */
.section + .section { padding-top: 42px; }
.section:not(.hero) { padding-bottom: 42px; }


.eyebrow, .section-heading > span {
  display: block;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 11px;
  font-weight: 700;
  margin: 0 auto 18px;
}
.hero h1, .section-heading h2, .timeline-content h3, .card h3, .project-card h3, .cert-card h3, .quote-card h3 {
  font-family: "Newsreader", Georgia, serif;
}
.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(50px, 6.2vw, 78px);
  line-height: .98;
  letter-spacing: -.045em;
  font-weight: 600;
}
.hero h1 span { color: var(--accent); }
.hero-role { margin: 20px 0 28px; color: var(--muted); font-size: 15px; font-weight: 600; }
.intro-copy { max-width: 820px; font-size: 17px; }
.prose p:last-child { margin-bottom: 0; }
.prose.compact p { margin-bottom: .6rem; }
.quick-links { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 28px; }
.quick-links a { font-size: 13px; font-weight: 600; }

.section-heading { margin-bottom: 28px; }
.section-heading h2 { margin: 0; font-size: clamp(36px, 4vw, 52px); line-height: 1; letter-spacing: -.03em; font-weight: 600; }
.section-intro, .contact-lead { color: var(--muted); max-width: 680px; font-size: 17px; }

.timeline-list { display: grid; }
.timeline-item {
  display: grid;
  grid-template-columns: 155px minmax(0, 1fr);
  gap: 28px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}
.timeline-item:last-child { border-bottom: 0; }
.timeline-date { color: var(--muted); font-size: 12px; font-weight: 650; padding-top: 7px; }
.timeline-content h3 { margin: 0 0 3px; font-size: 27px; line-height: 1.15; letter-spacing: -.015em; }
.meta { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.timeline-content ul { color: #404440; }
.timeline-content ul ul { margin-top: .3rem; }

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 23px;
  padding: 2px 8px;
  border: 1px solid #d9ded9;
  border-radius: 999px;
  background: var(--surface-soft);
  font-size: 10px;
  font-weight: 700;
  text-decoration: none;
  vertical-align: 1px;
  white-space: nowrap;
}

.publication-years { display: flex; flex-wrap: wrap; gap: 8px; margin: -10px 0 28px; }
.filter {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 12px;
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}
.filter:hover, .filter.active { color: var(--surface); border-color: var(--accent); background: var(--accent); }
.publication-list {
  display: grid;
}

.publication {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 22px;
  padding: 18px 0;
}

.publication p {
  margin: 0;
}

.pub-year {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  padding-top: 4px;
}


.publication.year-end {
  border-bottom: 1px solid #d3d8df;
  padding-bottom: 26px;
  margin-bottom: 10px;
}


.publication.year-end:last-child {
  margin-bottom: 0;
}
.stack-cards, .project-list { display: grid; gap: 16px; }
.card, .project-card, .quote-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: var(--shadow);
}
.card h3, .project-card h3, .quote-card h3 { margin: 0 0 12px; font-size: 25px; line-height: 1.2; }
.card li > p { color: var(--muted); margin: .35rem 0 1rem; }
.project-card { position: relative; }
.project-label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.project-card > p:not(.meta) { color: #444944; }
.card-links { display: flex; gap: 15px; flex-wrap: wrap; margin-top: 16px; }
.card-links a, .quote-card > a { font-size: 10px; font-weight: 700; text-decoration: none; }
.card-links a {
  display: inline-flex;
  align-items: center;
  min-height: 23px;
  padding: 2px 8px;
  border: 1px solid #d9ded9;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent);
  white-space: nowrap;
}
.card-links a:hover { background: var(--accent-soft); border-color: #cbd5e1; }

.cert-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.cert-card {
  display: flex;
  flex-direction: column;
  min-height: 112px;
  padding: 16px 17px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform .18s ease, border-color .18s ease;
}
.cert-card:hover { transform: translateY(-3px); border-color: #c6cec7; }
.cert-card h3 { font-size: 17px; line-height: 1.22; margin: 0 0 12px; }
.cert-card p { margin: auto 0 0; color: var(--muted); font-size: 10px; }

/* =======================================================
   TESTIMONIAL CAROUSEL
======================================================= */

.testimonial-carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-viewport {
  width: 100%;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.45s ease;
  will-change: transform;
}

.testimonial-slide {
  flex: 0 0 calc(50% - 7px);
  min-width: calc(50% - 7px);
}

.testimonial-track {
  display: flex;
  gap: 14px;
  transition: transform 0.45s ease;
  will-change: transform;
}

.quote-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);

  padding: 30px 34px;

  box-shadow: var(--shadow);

  display: flex;
  flex-direction: column;

  min-height: 340px;
}

.quote-card h3 {
  margin: 0 0 6px;
  font-size: 25px;
  line-height: 1.2;
}

.quote-head p {
  margin: 0;
  color: #555a55;
  font-size: 13px;
  font-weight: 600;
}

.quote-head small {
  display: block;
  color: var(--muted);
  margin-top: 3px;
  font-size: 11px;
}

.quote-card blockquote {
  margin: 22px 0 24px;

  color: var(--text);

  font-size: 14px;
  line-height: 1.8;

  flex-grow: 1;
}

.quote-card > a {
  align-self: flex-start;
  width: fit-content;
}


/* arrows */

.testimonial-arrow {
  flex: 0 0 38px;

  width: 38px;
  height: 38px;

  border: 1px solid var(--line);
  border-radius: 50%;

  background: var(--surface);
  color: var(--accent);

  font-size: 26px;
  line-height: 1;

  display: flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;

  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease;
}

.testimonial-arrow:hover {
  background: var(--accent-soft);
  border-color: rgba(47, 95, 150, 0.35);
  transform: scale(1.05);
}


/* dots */

.testimonial-dots {
  display: flex;
  justify-content: center;

  gap: 7px;

  margin-top: 18px;
}

.testimonial-dot {
  width: 7px;
  height: 7px;

  padding: 0;

  border: 0;
  border-radius: 50%;

  background: #c9ced4;

  cursor: pointer;

  transition:
    width 0.2s ease,
    border-radius 0.2s ease,
    background 0.2s ease;
}

.testimonial-dot.active {
  width: 20px;
  border-radius: 999px;
  background: var(--accent);
}


/* mobile */

@media (max-width: 760px) {

  .testimonial-carousel {
    gap: 6px;
  }

  .testimonial-arrow {
    width: 32px;
    height: 32px;
    flex-basis: 32px;
    font-size: 22px;
  }

  .quote-card {
    padding: 24px;
    min-height: auto;
  }

  .quote-card blockquote {
    font-size: 13px;
  }

}

@media (max-width: 760px) {
  .testimonial-slide {
    flex: 0 0 100%;
    min-width: 100%;
  }

  .testimonial-track {
    gap: 0;
  }
}

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 28px; }
.gallery-item { margin: 0; overflow: hidden; border-radius: 14px; aspect-ratio: 1 / 1; background: var(--surface-soft); }
.gallery-wide { grid-column: span 2; aspect-ratio: 2 / 1; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.gallery-item:hover img { transform: scale(1.025); }

.contact-section {
  padding-bottom: 110px;
}

.contact-lead {
  color: var(--muted);
  max-width: 680px;
  font-size: 17px;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;

  width: fit-content;
  padding: 6px 11px;

  color: var(--accent);
  background: var(--accent-soft);

  border: 1px solid rgba(47, 95, 150, 0.22);
  border-radius: 999px;

  font-size: 12px;
  font-weight: 650;
  line-height: 1.3;

  text-decoration: none !important;
  white-space: nowrap;

  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease;
}

.contact-links svg {
  width: 15px;
  height: 15px;
  flex: 0 0 15px;

  color: var(--accent);
  fill: currentColor;
}

.contact-links a:first-child svg {
  fill: none;
}

.contact-links a:hover {
  background: #e3eef9;
  border-color: rgba(47, 95, 150, 0.38);
  transform: translateY(-1px);
}

@media (max-width: 760px) {
  .contact-links {
    gap: 8px;
  }

  .contact-links a {
    font-size: 11.5px;
    padding: 6px 10px;
  }
}

.menu-toggle {
  display: none;
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 80;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
  padding: 0;
}
.menu-toggle span { display: block; width: 18px; height: 1.5px; background: var(--text); margin: 4px auto; transition: .2s ease; }
.menu-open .menu-toggle span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.menu-backdrop { display: none; }

@media (max-width: 980px) {
  :root { --sidebar: 250px; }
  .sidebar-inner { padding-inline: 24px; }
  .section { width: min(var(--content), calc(100% - 60px)); }
  .testimonial-list { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .sidebar { width: min(82vw, 310px); transform: translateX(-105%); transition: transform .22s ease; box-shadow: 18px 0 45px rgba(0,0,0,.08); }
  .menu-open .sidebar { transform: translateX(0); }
  .menu-backdrop { position: fixed; inset: 0; z-index: 40; background: rgba(20,23,21,.3); backdrop-filter: blur(2px); }
  .menu-open .menu-backdrop { display: block; }
  .main { margin-left: 0; }
  .section { width: min(100% - 40px, 720px); padding: 48px 0; }
  .hero { min-height: auto; padding-top: 88px; padding-bottom: 48px; }
  .hero h1 { font-size: clamp(44px, 14vw, 64px); }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; padding: 28px 0; }
  .timeline-date { padding-top: 0; }
  .publication { grid-template-columns: 50px minmax(0, 1fr); gap: 14px; }
  .cert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery-wide { grid-column: span 2; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .section { width: calc(100% - 30px); }
  .hero h1 { font-size: 43px; }
  .section-heading h2 { font-size: 38px; }
  .card, .project-card, .quote-card { padding: 22px; border-radius: 13px; }
  .cert-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .gallery-wide { grid-column: span 1; aspect-ratio: 4 / 3; }
  .gallery-item { aspect-ratio: 4 / 3; }
}

/* Keep the fixed desktop sidebar fully visible without an internal scrollbar. */
@media (min-width: 761px) and (max-height: 760px) {
  .sidebar-inner { padding-top: 12px; padding-bottom: 10px; }
  .profile { margin-bottom: 10px; }
  .profile img { width: 150px; height: 150px; margin-bottom: 10px; }
  .nav a { padding-top: 3px; padding-bottom: 3px; font-size: 14.5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}


/* Global link treatment: no underlines anywhere. */
a, a:hover, a:focus, a:active, a:visited {
  text-decoration: none !important;
}

/* =======================================================
   FINAL TYPOGRAPHY CONSISTENCY
   One font family across the site.
   Normal/descriptive text uses the same primary text color.
   Sizes, weights, labels, dates and accent colors stay unchanged.
======================================================= */

body,
button,
input,
textarea,
select,
.hero h1,
.section-heading h2,
.timeline-content h3,
.card h3,
.project-card h3,
.cert-card h3,
.quote-card h3 {
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.prose,
.prose p,
.timeline-content,
.timeline-content p,
.timeline-content li,
.publication,
.publication p,
.card li > p,
.project-card > p:not(.meta),
.quote-card blockquote,
.section-intro,
.contact-lead {
  color: var(--text);
}

.hero h1,
.section-heading h2,
.timeline-content h3,
.card h3,
.project-card h3,
.cert-card h3,
.quote-card h3 {
  color: var(--text);
}

.meta,
.timeline-date,
.pub-year,
.cert-card p,
.quote-head small {
  color: var(--muted);
}

.eyebrow,
.section-heading > span,
.project-label,
a {
  color: var(--accent);
}