:root {
  color-scheme: light;
  --page: #eef0f3;
  --surface: #ffffff;
  --ink: #10243e;
  --body: #44546b;
  --accent: #c8722a;
  --teal: #0e7c7b;
  --line: #d8dee6;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  z-index: 5;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.8rem;
  transform: translateY(-160%);
  border-radius: 4px;
  background: var(--ink);
  color: var(--surface);
}

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

.site-header {
  border-bottom: 1px solid rgb(16 36 62 / 9%);
}

.header-inner,
.footer-inner {
  display: flex;
  width: min(100% - 48px, 900px);
  min-height: 76px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  flex: 0 0 auto;
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background: var(--surface);
}

.wordmark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
}

.site-header nav a,
.header-cta,
.footer-inner > a:last-child {
  color: var(--body);
  font-size: 0.82rem;
  font-weight: 500;
  transition: color 160ms ease;
}

.site-header nav a:hover,
.header-cta:hover,
.footer-inner > a:last-child:hover {
  color: var(--teal);
}

.header-cta {
  flex: 0 0 auto;
  color: var(--ink);
}

.header-cta span,
.text-link span,
.project-link span {
  color: var(--teal);
}

.page-shell {
  width: min(100% - 48px, 760px);
  margin: 0 auto;
}

.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
}

.hero {
  min-height: 570px;
  padding-top: 79px;
  padding-bottom: 55px;
}

.hero-chart {
  position: relative;
  display: flex;
  width: 86px;
  height: 62px;
  margin-bottom: 28px;
  align-items: end;
  gap: 7px;
  border-bottom: 1px solid #b8c2cf;
  transform-origin: bottom left;
  animation: chart-rise 850ms cubic-bezier(0.2, 0.8, 0.2, 1) 120ms both;
}

.chart-bar {
  z-index: 1;
  display: block;
  width: 13px;
  height: var(--bar-height);
  background: var(--teal);
}

.chart-bar-one {
  --bar-height: 19px;
}

.chart-bar-two {
  --bar-height: 30px;
}

.chart-bar-three {
  --bar-height: 41px;
}

.chart-bar-four {
  --bar-height: 53px;
  background: var(--accent);
}

.chart-trend {
  position: absolute;
  top: 8px;
  right: 3px;
  width: 33px;
  height: 18px;
  border-top: 1.5px solid var(--accent);
  border-right: 1.5px solid var(--accent);
  transform: skewY(-28deg) rotate(-9deg);
  opacity: 0.75;
}

.eyebrow,
.project-meta,
.case-kicker,
.subsection-label {
  margin: 0;
  color: var(--teal);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow-dot {
  padding: 0 0.4rem;
  color: var(--accent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
}

.hero h1 {
  max-width: 700px;
  margin: 18px 0 18px;
  font-size: clamp(2.7rem, 7.5vw, 4.45rem);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 1.08;
}

.hero h1 span,
.section-heading h2 span,
.contact-panel h2 span {
  color: var(--body);
}

.hero-copy {
  max-width: 570px;
  margin-bottom: 18px;
  color: var(--body);
  font-size: 1.07rem;
  line-height: 1.75;
}

.role-line {
  display: flex;
  margin-bottom: 25px;
  align-items: center;
  gap: 9px;
  color: var(--body);
  font-size: 0.9rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 19px 25px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 17px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: var(--surface);
}

.button-primary:hover {
  background: var(--teal);
}

.text-link,
.project-link {
  color: var(--ink);
  font-size: 0.87rem;
  font-weight: 600;
}

.text-link:hover,
.project-link:hover {
  color: var(--teal);
}

.hero-rule {
  width: 100%;
  margin-top: 43px;
  border-top: 1px solid var(--line);
}

.hero-caption {
  margin: 12px 0 0;
  color: var(--body);
  font-size: 0.8rem;
}

.section-heading {
  margin-bottom: 29px;
}

.section-heading h2,
.contact-panel h2 {
  max-width: 680px;
  margin: 12px 0 9px;
  font-size: clamp(1.85rem, 5vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.18;
}

.section-intro {
  margin: 12px 0 0;
  color: var(--body);
  font-size: 0.95rem;
}

.prose {
  color: var(--body);
}

.prose p {
  margin-bottom: 16px;
}

.prose p:last-child {
  margin-bottom: 0;
}

.about-note {
  display: flex;
  margin-top: 27px;
  padding: 17px 19px;
  align-items: flex-start;
  gap: 13px;
  border-left: 2px solid var(--accent);
  background: rgb(255 255 255 / 63%);
}

.note-mark {
  color: var(--accent);
  font-size: 1.1rem;
}

.about-note p {
  margin: 0;
  color: var(--body);
  font-size: 0.9rem;
  line-height: 1.65;
}

.about-note strong {
  color: var(--ink);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  margin: 0 0 12px;
  gap: 8px;
}

.filter-button {
  min-height: 37px;
  padding: 6px 13px;
  border: 1px solid #cbd3dd;
  border-radius: 3px;
  background: transparent;
  color: var(--body);
  cursor: pointer;
  font: 500 0.79rem var(--font-body);
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.filter-button:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.filter-button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.project-card {
  padding: 25px 0 28px;
  border-top: 1px solid var(--line);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 18px;
  color: var(--teal);
  font-size: 0.7rem;
}

.project-meta time {
  color: var(--body);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.project-card h3,
.case-card h3 {
  margin: 10px 0 8px;
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.35;
}

.project-card > p {
  max-width: 690px;
  margin-bottom: 14px;
  color: var(--body);
  font-size: 0.92rem;
}

.project-proof {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
  margin: 17px 0;
  color: var(--body);
  font-size: 0.76rem;
}

.proof-number {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 1rem;
}

.proof-divider {
  width: 1px;
  height: 17px;
  margin: 0 8px;
  background: #c6ced8;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  margin: 14px 0 13px;
  padding: 0;
  gap: 7px;
  list-style: none;
}

.tag-list li {
  padding: 3px 9px;
  border: 1px solid #d5dce4;
  border-radius: 2px;
  color: var(--body);
  font-size: 0.71rem;
  line-height: 1.5;
}

.project-link {
  display: inline-flex;
  gap: 7px;
  font-size: 0.82rem;
}

.project-card[hidden] {
  display: none;
}

.empty-state {
  padding: 24px 0;
  color: var(--body);
}

.case-list {
  display: grid;
  gap: 13px;
}

.case-card {
  padding: 23px 23px 21px;
  border: 1px solid #e0e5eb;
  background: var(--surface);
}

.case-kicker {
  margin-bottom: 7px;
  font-size: 0.68rem;
}

.case-kicker span {
  padding: 0 0.35rem;
  color: var(--accent);
}

.case-card h3 {
  margin: 0 0 17px;
  font-size: 1.16rem;
}

.case-details {
  display: grid;
  margin: 0 0 17px;
  gap: 13px;
}

.case-details div {
  display: grid;
  grid-template-columns: 126px 1fr;
  gap: 12px;
}

.case-details dt {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
}

.case-details dd {
  margin: 0;
  color: var(--body);
  font-size: 0.82rem;
  line-height: 1.55;
}

.skill-groups {
  display: block;
}

.skill-group {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.skill-group h3,
.education-item h3 {
  margin: 0 0 6px;
  font-size: 0.94rem;
  font-weight: 600;
}

.skill-group p {
  margin: 0;
  color: var(--body);
  font-size: 0.84rem;
  line-height: 1.65;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.certificate-card {
  min-width: 0;
  border: 1px solid #e0e5eb;
  background: var(--surface);
}

.certificate-card:last-child {
  grid-column: 1 / -1;
  width: calc((100% - 18px) / 2);
  justify-self: center;
}

.certificate-preview {
  position: relative;
  display: block;
  overflow: hidden;
  background: #f7f8fa;
}

.certificate-preview img {
  display: block;
  width: 100%;
  height: clamp(160px, 24vw, 220px);
  object-fit: contain;
  transition: transform 180ms ease;
}

.certificate-open {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 8px 12px;
  transform: translateY(100%);
  background: rgb(16 36 62 / 94%);
  color: var(--surface);
  font-size: 0.75rem;
  font-weight: 600;
  transition: transform 180ms ease;
}

.certificate-preview:hover img,
.certificate-preview:focus-visible img {
  transform: scale(1.025);
}

.certificate-preview:hover .certificate-open,
.certificate-preview:focus-visible .certificate-open {
  transform: translateY(0);
}

.certificate-caption {
  padding: 12px 14px 13px;
}

.certificate-caption h3 {
  margin: 0 0 4px;
  font-size: 0.91rem;
  font-weight: 600;
  line-height: 1.4;
}

.certificate-caption p {
  margin: 0;
  color: var(--body);
  font-size: 0.76rem;
}

.certificate-caption p span,
.education-item p span {
  color: var(--accent);
}

.education-block {
  margin-top: 39px;
}

.subsection-label {
  margin-bottom: 9px;
}

.education-item {
  display: flex;
  padding: 15px 0;
  justify-content: space-between;
  gap: 14px 24px;
  border-top: 1px solid var(--line);
}

.education-item h3 {
  font-size: 0.9rem;
}

.education-item p,
.education-item time {
  margin: 0;
  color: var(--body);
  font-size: 0.8rem;
}

.education-item time {
  flex: 0 0 auto;
}

.contact-panel {
  margin: 38px 0 78px;
  padding: 34px;
  border: 1px solid #e0e5eb;
  background: var(--surface);
}

.contact-panel h2 {
  margin-top: 11px;
}

.contact-copy {
  max-width: 550px;
  margin: 12px 0 22px;
  color: var(--body);
  font-size: 0.94rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  margin-top: 25px;
  padding-top: 18px;
  gap: 11px 22px;
  border-top: 1px solid var(--line);
}

.contact-links a {
  color: var(--body);
  font-size: 0.8rem;
  transition: color 160ms ease;
}

.contact-links a:hover {
  color: var(--teal);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  min-height: 82px;
}

.footer-inner p {
  margin: 0;
  color: var(--body);
  font-size: 0.77rem;
}

@keyframes chart-rise {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

@media (max-width: 680px) {
  .header-inner {
    min-height: 68px;
    flex-wrap: wrap;
    padding: 13px 0;
    gap: 10px 16px;
  }

  .site-header nav {
    order: 1;
    width: 100%;
    justify-content: flex-start;
    gap: 6px 17px;
  }

  .section {
    padding: 65px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
    padding-bottom: 44px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 11vw, 3.7rem);
  }

  .case-details div {
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .contact-panel {
    margin: 28px 0 56px;
    padding: 25px 21px;
  }

  .certificate-grid {
    grid-template-columns: 1fr;
  }

  .certificate-card:last-child {
    grid-column: auto;
    width: 100%;
  }

  .certificate-preview img {
    height: 190px;
  }

  .footer-inner {
    flex-wrap: wrap;
    padding: 17px 0;
    gap: 9px 16px;
  }

  .footer-inner p {
    order: 1;
    width: 100%;
  }
}

@media (max-width: 430px) {
  .header-inner,
  .footer-inner,
  .page-shell {
    width: min(100% - 32px, 760px);
  }

  .site-header nav {
    gap: 5px 13px;
  }

  .site-header nav a {
    font-size: 0.76rem;
  }

  .project-meta {
    flex-direction: column;
    gap: 0;
  }

  .education-item {
    flex-direction: column;
    gap: 3px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}