:root {
  --ink: #1c211a;
  --text: #3e473b;
  --muted: #6f786a;
  --line: #e0e4dc;
  --line-dark: #c9d0c2;
  --surface: #f5f7f3;
  --surface-blue: #f1f4ed;
  --white: #ffffff;
  --blue: #4b5d3a;
  --blue-dark: #36442a;
  --green: #65764f;
  --green-soft: #e9efe2;
  --red: #b4433b;
  --shell: min(1160px, calc(100vw - 48px));
  --radius: 12px;
  --shadow: 0 20px 55px rgba(42, 52, 36, 0.1);
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }
::selection { background: #dde6d4; color: var(--ink); }

a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.035em; }
img, svg { display: block; max-width: 100%; }

.shell { width: var(--shell); margin-inline: auto; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 9px 14px;
  background: var(--blue);
  color: white;
  font-weight: 700;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 5px 20px rgba(42, 52, 36, 0.05);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--blue);
  color: white;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: -0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 30px);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.nav-links > a:not(.nav-button) {
  position: relative;
  padding: 25px 0;
  transition: color 160ms ease;
}

.nav-links > a:not(.nav-button)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.nav-links > a:hover,
.nav-links > a[aria-current="location"] { color: var(--ink); }
.nav-links > a:hover::after,
.nav-links > a[aria-current="location"]::after { transform: scaleX(1); }

.nav-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 0 14px;
  border: 1px solid var(--line-dark);
  border-radius: 7px;
  color: var(--ink);
  background: white;
  transition: border-color 160ms ease, background 160ms ease;
}

.nav-button:hover { border-color: var(--blue); background: var(--surface-blue); }

.menu-toggle {
  display: none;
  width: 42px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line-dark);
  border-radius: 7px;
  background: white;
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  width: 17px;
  height: 1px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 160ms ease;
}

.menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-3px) rotate(-45deg); }

.resume-hero {
  padding: 76px 0 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--white) 72%, var(--surface) 72%);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.62fr);
  align-items: center;
  gap: clamp(60px, 10vw, 140px);
}

.overline,
.section-label,
.card-label,
.project-type {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.overline { margin-bottom: 22px; }

.hero-copy h1 {
  margin-bottom: 20px;
  font-size: clamp(4.2rem, 8vw, 7.4rem);
  font-weight: 650;
  letter-spacing: -0.07em;
}

.role {
  max-width: 650px;
  margin-bottom: 16px;
  color: var(--ink);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 550;
  letter-spacing: -0.03em;
}

.hero-summary {
  max-width: 650px;
  margin-bottom: 30px;
  color: var(--text);
  font-size: 1rem;
}

.hero-actions,
.contact-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover { transform: translateY(-1px); }
.primary-button { background: var(--blue); color: white; }
.primary-button:hover { background: var(--blue-dark); }
.secondary-button { border-color: var(--line-dark); background: white; color: var(--ink); }
.secondary-button:hover { border-color: var(--blue); background: var(--surface-blue); }

.profile-card,
.project-summary-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.profile-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  text-transform: uppercase;
}

.availability { display: flex; align-items: center; gap: 7px; color: var(--green); }
.availability i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

.monogram {
  height: 156px;
  display: grid;
  place-items: center;
  margin: 25px 0;
  border-radius: 9px;
  background:
    linear-gradient(rgba(75, 93, 58, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 93, 58, 0.06) 1px, transparent 1px),
    var(--surface-blue);
  background-size: 24px 24px;
  color: var(--blue);
  font-size: 3.5rem;
  font-weight: 750;
  letter-spacing: -0.08em;
}

.quick-details,
.project-summary-card dl { margin: 0; }

.quick-details div,
.project-summary-card dl div {
  display: grid;
  grid-template-columns: 85px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.quick-details dt,
.quick-details dd,
.project-summary-card dt,
.project-summary-card dd { margin: 0; }

.quick-details dt,
.project-summary-card dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.57rem;
  text-transform: uppercase;
}

.quick-details dd,
.project-summary-card dd { color: var(--text); font-size: 0.76rem; }

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 64px;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: white;
}

.summary-strip > div {
  min-height: 100px;
  display: grid;
  align-content: center;
  gap: 2px;
  padding: 20px 24px;
  border-right: 1px solid var(--line);
}

.summary-strip > div:last-child { border-right: 0; }
.summary-strip strong { font-size: 1.08rem; letter-spacing: -0.03em; }
.summary-strip span { color: var(--muted); font-size: 0.68rem; }

.resume-section { padding: 86px 0; border-top: 1px solid var(--line); }
.projects-section { background: var(--surface); }

.section-layout {
  display: grid;
  grid-template-columns: minmax(210px, 0.32fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(55px, 9vw, 120px);
}

.section-intro {
  position: sticky;
  top: 106px;
}

.section-label { margin-bottom: 18px; }

.section-intro h2,
.contact-layout h2,
.demo-copy h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  font-weight: 650;
}

.section-intro > p:last-child,
.demo-copy > p { color: var(--muted); font-size: 0.88rem; }

.experience-list { border-top: 1px solid var(--line-dark); }

.experience-row {
  display: grid;
  grid-template-columns: 115px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.row-date {
  padding-top: 3px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  line-height: 1.55;
}

.row-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.row-heading h3 { margin-bottom: 5px; font-size: 1.15rem; letter-spacing: -0.025em; }
.row-heading p { margin-bottom: 0; color: var(--text); font-size: 0.8rem; }
.row-heading > span {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 5px;
  background: var(--surface-blue);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.52rem;
  text-transform: uppercase;
}

.row-main ul { margin: 17px 0 0; padding-left: 18px; color: var(--text); font-size: 0.82rem; }
.row-main li + li { margin-top: 5px; }

.featured-project {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: white;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.featured-project:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.featured-copy { padding: 30px; }

.project-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.58rem;
  text-transform: uppercase;
}

.project-meta span:last-child { color: var(--green); }
.featured-copy h3 { margin-bottom: 14px; font-size: clamp(1.7rem, 2.8vw, 2.5rem); font-weight: 650; }
.featured-copy > p { max-width: 660px; margin-bottom: 19px; color: var(--text); font-size: 0.87rem; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted);
  background: white;
  font-family: var(--mono);
  font-size: 0.53rem;
  text-transform: uppercase;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 25px;
  margin-top: 24px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 700;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}

.project-links .project-link { margin-top: 24px; }

.mini-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 22px;
  background:
    linear-gradient(rgba(75, 93, 58, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 93, 58, 0.055) 1px, transparent 1px),
    var(--surface-blue);
  background-size: 22px 22px;
}

.mini-diagram span,
.mini-diagram b {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 2px solid var(--blue);
  border-radius: 50%;
  background: white;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.52rem;
  font-weight: 600;
}

.mini-diagram .source { border-radius: 4px; background: var(--blue); color: white; }
.mini-diagram span:not(.source) { width: 10px; height: 10px; background: var(--green); border-color: var(--green); }
.mini-diagram i { width: 19px; height: 2px; background: var(--blue); }

.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.project-card {
  position: relative;
  min-height: 245px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  transition: border-color 180ms ease, transform 180ms ease;
}

.project-card:hover { border-color: #aab8c3; transform: translateY(-2px); }
.project-number { position: absolute; top: 20px; right: 22px; color: #d8dee3; font-size: 1.6rem; font-weight: 700; }
.project-type { margin-bottom: 34px; color: var(--muted); font-size: 0.55rem; }
.project-card h3 { max-width: 80%; margin-bottom: 11px; font-size: 1.18rem; }
.project-card > p:not(.project-type) { margin-bottom: 18px; color: var(--text); font-size: 0.78rem; }

.qualifications { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr); gap: 18px; }

.education-card {
  min-height: 380px;
  padding: 30px;
  border-radius: var(--radius);
  background: var(--blue);
  color: white;
}

.education-card .card-label { color: #b8d7eb; }
.education-card h3 { margin: 65px 0 19px; font-size: clamp(1.6rem, 3vw, 2.3rem); }
.education-card > p:not(.card-label) { color: rgba(255, 255, 255, 0.84); }
.education-card > span { color: rgba(255, 255, 255, 0.6); font-size: 0.72rem; }
.coursework { margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.23); color: rgba(255, 255, 255, 0.72); font-size: 0.75rem; }

.skills-list { border: 1px solid var(--line); border-radius: var(--radius); }
.skills-list article { padding: 19px 22px; border-bottom: 1px solid var(--line); }
.skills-list article:last-child { border-bottom: 0; }
.skills-list h3 { margin-bottom: 7px; font-size: 0.92rem; letter-spacing: -0.02em; }
.skills-list p { margin: 0; color: var(--muted); font-size: 0.74rem; }

.contact-section { padding: 70px 0; border-top: 1px solid var(--line); background: var(--surface-blue); }

.contact-layout {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  align-items: center;
  gap: 22px 80px;
}

.contact-layout .section-label { margin-bottom: 10px; }
.contact-layout h2 { margin: 0; }
.contact-layout > p { margin: 0; color: var(--text); font-size: 0.86rem; }
.contact-links { display: flex; flex-direction: column; gap: 4px; color: var(--blue); font-size: 0.77rem; }
.contact-links a { width: fit-content; border-bottom: 1px solid #b9d0e1; }

.copy-button { font: inherit; }

.site-footer { padding: 24px 0; border-top: 1px solid var(--line); background: white; color: var(--muted); font-size: 0.66rem; }
.site-footer .shell { display: flex; justify-content: space-between; gap: 20px; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--blue); font-weight: 600; }

/* Project page */
.project-hero { padding: 66px 0 76px; border-bottom: 1px solid var(--line); background: var(--surface); }

.project-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.55fr);
  align-items: center;
  gap: clamp(60px, 9vw, 125px);
}

.back-link { display: inline-block; margin-bottom: 48px; color: var(--muted); font-size: 0.7rem; font-weight: 600; }
.project-hero h1 { margin: 0 0 22px; font-size: clamp(3.4rem, 6.8vw, 6.4rem); font-weight: 650; letter-spacing: -0.065em; }
.project-lead { max-width: 740px; margin-bottom: 30px; color: var(--text); font-size: 1rem; }

.project-summary-card img { width: 100%; max-height: 85px; margin: 5px 0 35px; object-fit: contain; object-position: left center; }

.project-overview-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--radius); }
.overview-card { min-height: 275px; padding: 25px; border-right: 1px solid var(--line); }
.overview-card:last-child { border-right: 0; }
.overview-card > span { color: var(--muted); font-family: var(--mono); font-size: 0.58rem; }
.overview-card h3 { margin: 85px 0 12px; font-size: 1.4rem; }
.overview-card p { margin: 0; color: var(--text); font-size: 0.77rem; }

.demo-section { padding: 86px 0; border-top: 1px solid var(--line); background: var(--surface); }
.demo-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.7fr); align-items: center; gap: clamp(55px, 8vw, 110px); }

.demo-preview { overflow: hidden; border: 1px solid var(--line-dark); border-radius: var(--radius); background: white; box-shadow: var(--shadow); }
.preview-toolbar,
.preview-status { min-height: 45px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; color: var(--muted); font-family: var(--mono); font-size: 0.57rem; text-transform: uppercase; }
.preview-toolbar { border-bottom: 1px solid var(--line); }
.preview-status { border-top: 1px solid var(--line); }
.preview-toolbar span:first-child { display: flex; align-items: center; gap: 7px; color: var(--green); }
.preview-toolbar i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

.preview-grid {
  position: relative;
  min-height: 360px;
  background:
    linear-gradient(rgba(75, 93, 58, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 93, 58, 0.045) 1px, transparent 1px),
    #fbfcfd;
  background-size: 25px 25px;
}

.preview-line { position: absolute; top: 49.7%; height: 2px; background: var(--blue); }
.preview-line.line-a { left: 12%; width: 41%; }
.preview-line.line-b { left: 53%; width: 35%; background: var(--red); }
.preview-node,
.preview-switch { position: absolute; top: 50%; display: grid; place-items: center; transform: translate(-50%, -50%); font-family: var(--mono); font-size: 0.55rem; }
.preview-node { width: 14px; height: 14px; border: 3px solid var(--blue); border-radius: 50%; background: white; }
.preview-node.source-node { left: 12%; width: 44px; height: 44px; border-radius: 6px; background: var(--blue); color: white; }
.preview-switch { width: 42px; height: 42px; border: 2px solid var(--blue); border-radius: 50%; background: white; color: var(--blue); }
.switch-a { left: 29%; }.switch-b { left: 48%; }.node-a { left: 63%; }.switch-c { left: 82%; }
.fault-marker { position: absolute; top: 34%; left: 58%; padding: 4px 7px; border-radius: 4px; background: #f9e4e2; color: var(--red); font-family: var(--mono); font-size: 0.52rem; transform: translateX(-50%); }

.demo-copy h2 { margin-bottom: 20px; }
.check-list { margin: 24px 0; padding: 0; list-style: none; color: var(--text); font-size: 0.8rem; }
.check-list li { position: relative; padding: 8px 0 8px 24px; border-bottom: 1px solid var(--line); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.download-note { margin: 15px 0 0; font-size: 0.67rem !important; }
.demo-actions { margin-top: 24px; }

.project-details-section { padding: 50px 0; border-top: 1px solid var(--line); }
.project-details-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.project-details-grid > div { padding: 10px 28px; border-right: 1px solid var(--line); }
.project-details-grid > div:first-child { padding-left: 0; }
.project-details-grid > div:last-child { padding-right: 0; border-right: 0; }
.project-details-grid p:last-child { margin: 0; color: var(--text); font-size: 0.75rem; }
.compact-contact .contact-layout { grid-template-columns: 0.7fr 1fr auto; }

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease var(--delay, 0ms), transform 520ms ease var(--delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero-layout,
  .project-hero-layout { grid-template-columns: 1fr minmax(300px, 0.62fr); gap: 50px; }
  .hero-copy h1 { font-size: clamp(3.8rem, 8.5vw, 6rem); }
  .featured-project { grid-template-columns: 1fr; }
  .mini-diagram { min-height: 170px; }
  .qualifications { grid-template-columns: 1fr; }
  .education-card { min-height: 330px; }
  .contact-layout { gap: 22px 50px; }
}

@media (max-width: 800px) {
  :root { --shell: min(100% - 32px, 670px); }
  html { scroll-padding-top: 70px; }
  .nav { min-height: 66px; }
  .menu-toggle { display: block; }

  .nav-links:not(.project-nav-links) {
    position: fixed;
    inset: 66px 0 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px 16px;
    background: rgba(255, 255, 255, 0.98);
    visibility: hidden;
    transform: translateX(100%);
    transition: transform 200ms ease, visibility 200ms ease;
  }

  .nav-links:not(.project-nav-links).is-open { visibility: visible; transform: translateX(0); }
  .nav-links:not(.project-nav-links) > a:not(.nav-button),
  .nav-links:not(.project-nav-links) > .nav-button { padding: 18px 8px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; }
  .project-nav-links > a:not(.nav-button) { display: none; }
  .brand > span:last-child { display: none; }

  .resume-hero { padding-top: 52px; background: white; }
  .hero-layout,
  .project-hero-layout,
  .section-layout,
  .demo-layout { grid-template-columns: 1fr; }
  .hero-layout { gap: 52px; }
  .profile-card { max-width: 520px; }
  .summary-strip { grid-template-columns: repeat(2, 1fr); border-bottom: 1px solid var(--line); border-radius: var(--radius); }
  .summary-strip > div:nth-child(2) { border-right: 0; }
  .summary-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .resume-section { padding: 68px 0; }
  .section-layout { gap: 40px; }
  .section-intro { position: static; max-width: 520px; }
  .project-grid { grid-template-columns: 1fr; }
  .contact-layout,
  .compact-contact .contact-layout { grid-template-columns: 1fr; gap: 20px; }

  .project-hero { padding: 45px 0 60px; }
  .project-hero-layout { gap: 50px; }
  .back-link { margin-bottom: 36px; }
  .project-overview-grid { grid-template-columns: 1fr; }
  .overview-card { min-height: auto; padding: 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .overview-card:last-child { border-bottom: 0; }
  .overview-card h3 { margin: 35px 0 10px; }
  .demo-copy { order: -1; }
  .project-details-grid { grid-template-columns: 1fr; }
  .project-details-grid > div,
  .project-details-grid > div:first-child,
  .project-details-grid > div:last-child { padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .project-details-grid > div:last-child { border-bottom: 0; }
}

@media (max-width: 540px) {
  .hero-copy h1 { font-size: clamp(3.5rem, 17vw, 5rem); }
  .hero-actions,
  .contact-buttons { flex-direction: column; align-items: stretch; }
  .hero-actions .button,
  .contact-buttons .button { width: 100%; }
  .summary-strip { margin-top: 48px; }
  .summary-strip > div { min-height: 88px; padding: 16px; }
  .experience-row { grid-template-columns: 1fr; gap: 14px; }
  .row-date br { display: none; }
  .row-heading { display: block; }
  .row-heading > span { display: inline-block; margin-top: 11px; }
  .featured-copy { padding: 24px; }
  .project-meta { margin-bottom: 24px; }
  .project-card { min-height: 230px; }
  .education-card { padding: 25px; }
  .education-card h3 { margin-top: 50px; }
  .project-hero h1 { font-size: clamp(3rem, 15vw, 4.5rem); overflow-wrap: break-word; }
  .project-summary-card { padding: 22px; }
  .preview-grid { min-height: 280px; }
  .site-footer .shell { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media print {
  .site-header, .hero-actions, .contact-section, .site-footer { display: none !important; }
  .resume-hero, .projects-section { background: white; }
  .resume-section { padding: 35px 0; }
  .section-intro { position: static; }
  .reveal { opacity: 1; transform: none; }
}