html {
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  overflow-x: hidden;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid #1a6f57;
  outline-offset: 4px;
}

.hero-profile {
  border-top: 1px solid #16181a;
  border-bottom: 1px solid #e6e2db;
  font-family: "IBM Plex Mono", monospace;
}

.hero-profile-title {
  padding: 13px 0;
  border-bottom: 1px solid #e6e2db;
  color: #7a7e83;
  font-size: 10px;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-profile dl {
  margin: 0;
}

.hero-profile-row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid #e6e2db;
}

.hero-profile-row dt {
  padding-top: 2px;
  color: #a2a5a8;
  font-size: 9px;
  line-height: 1.5;
  text-transform: uppercase;
}

.hero-profile-row dd {
  display: grid;
  gap: 4px;
  min-width: 0;
  margin: 0;
}

.hero-profile-row strong {
  color: #16181a;
  font-size: 12px;
  line-height: 1.45;
  font-weight: 500;
}

.hero-profile-row dd span {
  color: #7a7e83;
  font-family: Inter, sans-serif;
  font-size: 12px;
  line-height: 1.45;
}

.hero-availability {
  display: flex;
  gap: 12px;
  padding: 17px 0 18px;
  color: #1a6f57;
}

.hero-availability > span {
  width: 7px;
  height: 7px;
  margin-top: 5px;
  border-radius: 50%;
  background: #1a6f57;
  flex: none;
}

.hero-availability p {
  display: grid;
  gap: 4px;
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 12px;
  line-height: 1.45;
}

.hero-availability strong {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 500;
}

.experience-list,
.stack-list {
  border-bottom: 1px solid #16181a;
}

.certifications-section {
  padding: 0 0 96px;
}

.section-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 0 0 44px;
}

.section-intro h2 {
  color: #16181a;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-intro p {
  max-width: 52ch;
  margin-top: 10px;
  color: #7a7e83;
  font-size: 15px;
  line-height: 1.5;
}

.section-intro > span {
  flex: none;
  padding: 7px 10px;
  border: 1px solid #d5d0c7;
  color: #7a7e83;
  background: #ffffff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.certification-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.certification-card {
  position: relative;
  min-height: 408px;
  overflow: hidden;
  border: 1px solid #e0dcd4;
  background: #ffffff;
  box-shadow: 0 18px 44px rgba(22, 24, 26, 0.06);
  isolation: isolate;
}

.certification-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  z-index: 4;
  width: 4px;
  background: var(--cert-accent);
  content: "";
}

.certification-preview {
  position: relative;
  height: 302px;
  padding: 22px 22px 0 26px;
  overflow: hidden;
  background: color-mix(in srgb, var(--cert-accent) 5%, #f4f2ee);
}

.certification-preview img {
  width: 100%;
  height: 100%;
  display: block;
  border: 1px solid #d5d0c7;
  object-fit: contain;
  background: #ffffff;
  box-shadow: 0 16px 36px rgba(22, 24, 26, 0.12);
  transition: transform 220ms ease;
}

.certification-preview > span {
  position: absolute;
  top: 34px;
  right: 34px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fbfaf8;
  background: #16181a;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.certification-title {
  min-height: 104px;
  padding: 18px 22px 20px 26px;
}

.certification-title p,
.certification-kicker {
  margin: 0 0 7px;
  color: var(--cert-accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.certification-title h3,
.certification-detail h3 {
  color: #16181a;
  font-size: 21px;
  line-height: 1.22;
  font-weight: 600;
}

.certification-title > span {
  display: block;
  margin-top: 7px;
  color: #7a7e83;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.certification-detail {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px 30px 28px 34px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--cert-accent) 8%, #ffffff), #ffffff 58%);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 180ms ease, transform 220ms ease;
  pointer-events: none;
}

.certification-detail h3 {
  max-width: 16ch;
  font-size: clamp(27px, 3vw, 36px);
  line-height: 1.08;
}

.certification-description {
  max-width: 54ch;
  margin-top: 18px;
  color: #3d4145;
  font-size: 15px;
  line-height: 1.62;
}

.certification-detail ul {
  display: grid;
  gap: 9px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.certification-detail li {
  position: relative;
  padding-left: 18px;
  color: #3d4145;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
}

.certification-detail li::before {
  position: absolute;
  left: 0;
  color: var(--cert-accent);
  content: "+";
}

.certification-detail a {
  width: fit-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 15px;
  color: #fbfaf8;
  background: #16181a;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  pointer-events: auto;
}

.certification-card:hover .certification-detail,
.certification-card:focus .certification-detail,
.certification-card:focus-within .certification-detail {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.certification-card:hover .certification-preview img {
  transform: scale(1.025);
}

.certification-card:last-child:nth-child(odd) {
  width: calc(50% - 10px);
  grid-column: 1 / -1;
  justify-self: center;
}

.experience-card {
  padding: 42px 0;
  border-top: 1px solid #e6e2db;
}

.experience-card:first-child,
.stack-row:first-child {
  border-top-color: #16181a;
}

.experience-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 32px;
  align-items: start;
}

.experience-company {
  font-size: 31px;
  line-height: 1.08;
  font-weight: 600;
}

.experience-role {
  margin-top: 8px;
  color: #3d4145;
  font-size: 18px;
  line-height: 1.4;
}

.experience-meta {
  display: grid;
  gap: 7px;
  color: #7a7e83;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  line-height: 1.5;
  text-align: right;
  text-transform: uppercase;
}

.experience-meta span:first-child {
  color: #16181a;
}

.experience-summary {
  max-width: 72ch;
  margin-top: 24px;
  color: #3d4145;
  font-size: 17px;
  line-height: 1.65;
}

.experience-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 32px;
  max-width: 980px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.experience-points li {
  position: relative;
  padding-left: 18px;
  color: #3d4145;
  font-size: 15px;
  line-height: 1.58;
}

.experience-points li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: #1a6f57;
  content: "-";
}

.experience-tags,
.stack-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.experience-tags span,
.stack-tools span {
  padding: 6px 10px;
  border: 1px solid #e0dcd4;
  background: #ffffff;
  color: #3d4145;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  line-height: 1.2;
}

.stack-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 38px;
  padding: 34px 0;
  border-top: 1px solid #e6e2db;
}

.stack-label {
  display: flex;
  gap: 13px;
  padding-top: 5px;
  color: #16181a;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.stack-label span {
  color: #1a6f57;
}

.stack-row h3 {
  font-size: 23px;
  line-height: 1.2;
  font-weight: 600;
}

.stack-row h3 + p {
  max-width: 68ch;
  margin-top: 9px;
  color: #7a7e83;
  font-size: 15px;
  line-height: 1.55;
}

.stack-tools {
  margin-top: 18px;
}

.stack-proof {
  display: grid;
  grid-template-columns: 190px repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
  padding: 22px 24px;
  border: 1px solid #bfd8cd;
  background: #f0f4f2;
  color: #3d4145;
  font-size: 13px;
  line-height: 1.45;
}

.stack-proof > span {
  color: #1a6f57;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

@media (max-width: 760px) {
  [style*="max-width:1160px"][style*="margin:0 auto"],
  [style*="max-width: 1160px"][style*="margin: 0px auto"] {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  header {
    align-items: flex-start !important;
    flex-direction: column;
    gap: 18px !important;
    padding: 22px 0 !important;
  }

  header nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px 18px !important;
  }

  .section-intro {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .certification-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .certification-card {
    min-height: 0;
  }

  .certification-card:last-child:nth-child(odd) {
    width: 100%;
  }

  .certification-preview {
    height: 230px;
    padding: 14px 14px 0 18px;
  }

  .certification-preview > span {
    top: 24px;
    right: 24px;
  }

  .certification-title {
    display: none;
  }

  .certification-detail {
    position: static;
    padding: 24px 22px 22px 26px;
    border-top: 1px solid #e0dcd4;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .certification-detail h3 {
    font-size: 26px;
  }

  .certification-detail a {
    margin-top: 24px;
  }

  section[style*="grid-template-columns"],
  article[style*="grid-template-columns"],
  footer > div[style*="grid-template-columns"],
  [style*="grid-template-columns: 220px"],
  [style*="grid-template-columns: 180px"] {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 28px !important;
  }

  section[style*="padding:112px"],
  section[style*="padding:88px"],
  section[style*="padding: 112px"],
  section[style*="padding: 88px"] {
    padding-top: 58px !important;
    padding-bottom: 58px !important;
  }

  h1 {
    font-size: 38px !important;
    letter-spacing: 0 !important;
  }

  .hero-profile {
    margin-top: 4px;
  }

  .hero-profile-row {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .quant-metrics,
  .quant-workflow,
  .research-findings {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .quant-metrics > div {
    border-right: 0 !important;
    border-bottom: 1px solid #e6e2db;
  }

  .research-pdf-frame {
    height: 560px !important;
  }

  [style*="grid-template-columns:56px"],
  [style*="grid-template-columns: 56px"] {
    grid-template-columns: 30px minmax(0, 1fr) !important;
    gap: 16px !important;
  }

  [style*="grid-template-columns:56px"] > div:last-child,
  [style*="grid-template-columns: 56px"] > div:last-child {
    grid-column: 2;
    align-items: flex-start !important;
  }

  [style*="grid-template-columns:repeat(4"],
  [style*="grid-template-columns: repeat(4"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  [style*="grid-template-columns:repeat(3"],
  [style*="grid-template-columns: repeat(3"] {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  nav[style*="grid-template-columns:1fr 1fr"],
  nav[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  nav[style*="grid-template-columns:1fr 1fr"] a,
  nav[style*="grid-template-columns: 1fr 1fr"] a {
    text-align: left !important;
  }

  [style*="text-align:right"],
  [style*="text-align: right"] {
    text-align: left !important;
  }

  [style*="font-size:19px"],
  [style*="font-size: 19px"] {
    font-size: 17px !important;
  }

  .experience-head,
  .experience-points,
  .stack-row,
  .stack-proof {
    grid-template-columns: minmax(0, 1fr);
  }

  .experience-card {
    padding: 34px 0;
  }

  .experience-company {
    font-size: 27px;
  }

  .experience-meta {
    gap: 4px;
    text-align: left;
  }

  .experience-summary {
    margin-top: 20px;
  }

  .experience-points {
    gap: 12px;
    margin-top: 22px;
  }

  .stack-row {
    gap: 14px;
    padding: 28px 0;
  }

  .stack-proof {
    gap: 10px;
    padding: 20px;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 34px !important;
  }

  [style*="grid-template-columns:repeat(4"],
  [style*="grid-template-columns: repeat(4"] {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  [style*="height:48px"][style*="padding:0 22px"],
  [style*="height: 48px"][style*="padding: 0px 22px"] {
    width: 100%;
    justify-content: center;
  }
}