:root {
  --bg: #131110;
  --panel: #1c1918;
  --panel-soft: #24201f;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.2);
  --text: #f5efe8;
  --muted: #b9afa7;
  --accent: #e2d3c2;
  --accent-strong: #f1e3cf;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), transparent 28%),
    radial-gradient(circle at bottom right, rgba(226, 211, 194, 0.14), transparent 22%),
    linear-gradient(180deg, #171311 0%, #100e0d 100%);
  color: var(--text);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

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

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding-bottom: 56px;
}

.site-header {
  position: sticky;
  top: 20px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(20, 17, 16, 0.72);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-strong), #8d8379);
  box-shadow: 0 0 0 6px rgba(226, 211, 194, 0.12);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.94rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.lang-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lang-link.is-active {
  background: var(--accent);
  color: #191513;
}

.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.hero,
.portfolio-hero {
  display: grid;
  gap: 42px;
  align-items: center;
  padding: 64px 0 28px;
}

.hero {
  grid-template-columns: minmax(320px, 0.92fr) minmax(340px, 1.08fr);
  min-height: calc(100vh - 140px);
}

.portfolio-hero {
  grid-template-columns: 1.15fr 0.85fr;
  padding-top: 92px;
}

.photo-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    #201b18;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  box-shadow: var(--shadow);
}

.photo-frame img {
  position: relative;
  z-index: 2;
  width: min(100%, 420px);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.34),
    0 0 0 18px rgba(255, 255, 255, 0.03);
}

.photo-accent {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 420px;
  height: 420px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(226, 211, 194, 0.18) 0%, rgba(226, 211, 194, 0.06) 45%, transparent 72%);
  z-index: 1;
}

.hero-tagline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.hero-tagline span,
.portfolio-statboard div {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.hero-tagline span {
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 0.88rem;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.73rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Syne", sans-serif;
  line-height: 0.96;
}

h1 {
  font-size: clamp(3.3rem, 8vw, 6.6rem);
  letter-spacing: -0.06em;
}

h1 span {
  display: block;
  color: var(--accent);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -0.05em;
}

h3 {
  font-size: 1.4rem;
  letter-spacing: -0.04em;
}

.lead,
.summary-card p,
.capability-grid p,
.link-card span,
.showcase-copy p,
.contact-panel p,
.case-card p,
.case-card li,
.timeline p,
.interview-card p,
.publication-list p,
.portfolio-intro .lead {
  color: var(--muted);
  line-height: 1.75;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.32);
}

.button-primary {
  background: var(--accent);
  color: #191513;
  font-weight: 800;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.02);
}

.impact-grid,
.summary-panel,
.capability-grid,
.links-grid,
.interview-grid,
.publication-list,
.case-grid,
.experience-grid,
.credentials-grid,
.badge-wall {
  display: grid;
  gap: 18px;
}

.impact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 38px;
}

.impact-grid div,
.summary-card,
.link-card,
.showcase-list div,
.portfolio-statboard div,
.case-card,
.experience-card,
.credential-card,
.interview-card,
.publication-list article,
.timeline article {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.impact-grid div {
  padding: 22px;
}

.impact-grid dt {
  font-size: 0.76rem;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.impact-grid dd {
  margin: 0;
  font-weight: 700;
  line-height: 1.45;
}

.section {
  padding: 108px 0 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 40px;
}

.split-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 30px;
}

.summary-panel {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.summary-card,
.case-card,
.interview-card,
.publication-list article,
.timeline article,
.showcase-list div {
  padding: 28px;
}

.card-index {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.dark-panel {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
}

.panel-header {
  max-width: 980px;
  margin-bottom: 40px;
}

.panel-header h2 {
  max-width: 1120px;
  line-height: 0.98;
}

.dark-panel .capability-grid {
  margin-top: 8px;
}

.capability-grid,
.links-grid,
.case-grid,
.interview-grid,
.publication-list,
.experience-grid,
.credentials-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-heading + .summary-panel,
.section-heading + .experience-grid,
.section-heading + .case-grid,
.section-heading + .publication-list,
.section-heading + .links-grid,
.section-heading + .interview-grid,
.section-heading + .credentials-grid,
.panel-header + .capability-grid,
.panel-header + .certification-showcase {
  margin-top: 10px;
}

.capability-grid article,
.experience-card,
.credential-card {
  padding: 28px;
}

.certification-showcase {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 26px;
  align-items: stretch;
}

.badge-wall {
  grid-template-columns: 1fr;
}

.badge-card {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 128px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025);
  box-shadow: var(--shadow);
}

.badge-card img {
  width: 88px;
  height: 88px;
  flex: 0 0 88px;
  object-fit: contain;
  border-radius: 20px;
  filter: saturate(1.02) contrast(1.02);
}

.badge-copy h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.badge-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.94rem;
}

.certifications-grid {
  align-content: start;
}

.capability-grid article {
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025);
}

.certification-feature-card {
  position: relative;
  overflow: hidden;
}

.certification-feature-brand {
  display: flex;
  align-items: flex-start;
  margin-bottom: 22px;
}

.certification-feature-brand img {
  width: 176px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  flex: 0 0 auto;
}

.school-card {
  position: relative;
}

.link-card {
  padding: 26px;
}

.link-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.12rem;
}

.showcase {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 28px;
  align-items: start;
}

.showcase-list {
  display: grid;
  gap: 16px;
}

.showcase-list span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
}

.contact-panel {
  padding: 34px;
  margin-top: 88px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(226, 211, 194, 0.09), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.02);
}

.portfolio-statboard {
  display: grid;
  gap: 16px;
}

.portfolio-statboard div strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.portfolio-statboard div {
  padding: 24px;
}

.case-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}

.timeline article {
  position: relative;
  padding-left: 54px;
}

.timeline article::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 30px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(226, 211, 194, 0.08);
}

.timeline span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.publication-list article strong {
  display: block;
  margin-bottom: 8px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.delay-1 {
  transition-delay: 120ms;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero,
  .portfolio-hero,
  .split-section,
  .showcase,
  .certification-showcase {
    grid-template-columns: 1fr;
  }

  .summary-panel,
  .capability-grid,
  .links-grid,
  .case-grid,
  .interview-grid,
  .publication-list,
  .experience-grid,
  .credentials-grid,
  .badge-wall {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 36px;
  }

  .photo-frame {
    min-height: 520px;
    padding: 28px;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 22px), var(--max-width));
  }

  .site-header {
    padding: 16px 18px;
    border-radius: 30px;
  }

  .menu-button {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(18, 15, 14, 0.96);
  }

  .site-nav.is-open {
    display: flex;
  }

  .header-actions {
    margin-left: auto;
  }

  .lang-switch {
    margin-left: 12px;
  }

  h1 {
    font-size: clamp(2.6rem, 16vw, 4.4rem);
  }

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

  .contact-panel,
  .dark-panel,
  .summary-card,
  .case-card,
  .experience-card,
  .credential-card,
  .badge-card,
  .interview-card,
  .publication-list article,
  .timeline article,
  .link-card,
  .showcase-list div,
  .portfolio-statboard div {
    padding: 22px;
  }

  .badge-card {
    align-items: flex-start;
  }

  .badge-card img {
    width: 74px;
    height: 74px;
    flex-basis: 74px;
  }
}