:root {
  --bg: #ffffff;
  --panel: #f9fafb;
  --panel-strong: #f3f4f6;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #4b5563;
  --soft: #6b7280;
  --accent: #111827;
  --shadow: 0 10px 30px rgba(17, 24, 39, 0.05);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-weight: 400;
  line-height: 1.7;
  font-size: 1.05rem;
}

h1, h2, h3 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

p, a, span, li, small, nav {
  font-family: "Inter", sans-serif;
  font-weight: 400;
}

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

p {
  margin: 0 0 1rem;
}

a {
  color: inherit;
}

main {
  display: grid;
  gap: 1.5rem;
}

.page-shell {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 1.2rem 5vw 4rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0 0.6rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
}

.header-left {
  display: flex;
  align-items: center;
}

.top-icons {
  margin-top: 0;
  gap: 0.6rem;
}

.top-icons a {
  width: 2rem;
  height: 2rem;
  font-size: 0.9rem;
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--soft);
  font-weight: 600;
}

.brand-link {
  text-decoration: none;
  font-size: clamp(1.7rem, 2vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.04em;
  color: var(--text);
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  align-items: center;
  gap: 2rem;
  padding: 3rem 0 1.5rem;
}

.hero-no-image {
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.9fr);
  gap: 2.5rem;
}

.hero-copy {
  min-width: 0;
}

.hero-skills-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 270px;
}

.skills-label {
  margin-bottom: 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #475569;
}

.hero-skills {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.8rem;
  min-height: 220px;
  width: min(100%, 660px);
  padding: 1.2rem 0.8rem;
}

.hero-skills:hover .skill-chip {
  animation-play-state: paused;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 0.9rem;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: #0f172a;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  animation: floatSkill 4.2s ease-in-out infinite alternate;
}

.skill-1 { background: linear-gradient(135deg, #f6dfe4, #e9bac2); transform: translate(0, 0); }
.skill-2 { background: linear-gradient(135deg, #dfeafc, #c8d9ff); transform: translate(-10px, 18px); animation-delay: 0.2s; }
.skill-3 { background: linear-gradient(135deg, #dfeee8, #cfeadf); transform: translate(18px, -10px); animation-delay: 0.4s; }
.skill-4 { background: linear-gradient(135deg, #f8e8db, #f0cda8); transform: translate(-16px, 20px); animation-delay: 0.6s; }
.skill-5 { background: linear-gradient(135deg, #eae4ff, #d5c8ff); transform: translate(20px, 8px); animation-delay: 0.8s; }
.skill-6 { background: linear-gradient(135deg, #dfeafc, #c8d9ff); transform: translate(-14px, -18px); animation-delay: 1s; }
.skill-7 { background: linear-gradient(135deg, #dfeee8, #cfeadf); transform: translate(10px, 22px); animation-delay: 1.2s; }
.skill-8 { background: linear-gradient(135deg, #f8e8db, #f0cda8); transform: translate(-16px, 2px); animation-delay: 1.4s; }
.skill-9 { background: linear-gradient(135deg, #f6dfe4, #e9bac2); transform: translate(16px, -12px); animation-delay: 1.6s; }
.skill-10 { background: linear-gradient(135deg, #dfeafc, #c8d9ff); transform: translate(-8px, 16px); animation-delay: 1.8s; }
.skill-11 { background: linear-gradient(135deg, #dfeee8, #cfeadf); transform: translate(12px, -8px); animation-delay: 2s; }
.skill-12 { background: linear-gradient(135deg, #f8e8db, #f0cda8); transform: translate(-18px, 14px); animation-delay: 2.2s; }
.skill-13 { background: linear-gradient(135deg, #eae4ff, #d5c8ff); transform: translate(14px, 18px); animation-delay: 2.4s; }
.skill-14 { background: linear-gradient(135deg, #dfeafc, #c8d9ff); transform: translate(-12px, -10px); animation-delay: 2.6s; }
.skill-15 { background: linear-gradient(135deg, #dfeee8, #cfeadf); transform: translate(16px, 10px); animation-delay: 2.8s; }
.skill-16 { background: linear-gradient(135deg, #f8e8db, #f0cda8); transform: translate(-10px, 16px); animation-delay: 3s; }
.skill-17 { background: linear-gradient(135deg, #f6dfe4, #e9bac2); transform: translate(8px, -14px); animation-delay: 3.2s; }

@keyframes floatSkill {
  0% {
    transform: translateY(0px) rotate(-1.5deg) scale(1);
    box-shadow: 0 12px 22px rgba(15, 23, 42, 0.12);
  }
  50% {
    transform: translateY(-11px) rotate(1.6deg) scale(1.03);
    box-shadow: 0 20px 38px rgba(15, 23, 42, 0.16);
  }
  100% {
    transform: translateY(4px) rotate(-0.6deg) scale(1.02);
    box-shadow: 0 14px 24px rgba(15, 23, 42, 0.14);
  }
}

.kicker {
  margin-bottom: 0.8rem;
  font-size: 1.7rem;
  text-transform: none;
  letter-spacing: -0.03em;
  font-weight: 500;
  color: var(--text);
}

.hero-copy h2 {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 720px;
  font-weight: 500;
}

.summary {
  margin-top: 1rem;
  max-width: 700px;
  font-size: 1.05rem;
  color: var(--muted);
}

.contact-list {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  max-width: 700px;
  color: var(--muted);
}

.contact-list span {
  font-weight: 600;
  color: var(--text);
}

.contact-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.contact-list a:hover,
.contact-list a:focus-visible {
  transform: translateY(-1px);
  border-color: #d1d5db;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow);
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-visual img {
  width: min(100%, 350px);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.6rem 1.5rem;
  box-shadow: 0 8px 20px rgba(17, 24, 39, 0.02);
}

.section-heading {
  margin-bottom: 1rem;
  display: inline-block;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.section-heading span {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--soft);
}

.panel p,
.panel li {
  color: var(--muted);
  font-size: 1.02rem;
}

.panel a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.chip-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border);
  background: #ffffff;
  border-radius: 999px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
}

.experience-section {
  padding-top: 0.5rem;
}

.publications-section {
  padding-top: 0.5rem;
}

.contact-section {
  padding-top: 0.5rem;
}

.cv-viewer-wrap {
  margin-top: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #ffffff;
  overflow: hidden;
}

.cv-embed {
  display: block;
  width: 100%;
  min-height: 85vh;
  border: 0;
  background: #ffffff;
}

.contact-card {
  margin-top: 0.5rem;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #ffffff;
  display: grid;
  gap: 0.9rem;
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.8rem;
}

.contact-row strong {
  min-width: 4.8rem;
  color: var(--text);
}

.contact-row a {
  color: #1d4ed8;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  word-break: break-word;
}

.publication-item {
  margin-top: 0.5rem;
}

.publication-item p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.5;
}

.publication-item a {
  display: inline-block;
  margin-top: 0.25rem;
  color: #1d4ed8;
  text-decoration: underline;
  word-break: break-word;
}

.timeline-vertical {
  position: relative;
  margin-top: 1rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--border);
}

.timeline-item {
  position: relative;
  padding: 0 0 2rem 1.25rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -1.9rem;
  top: 0.25rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px var(--border);
}

.timeline-body {
  max-width: 1200px;
}

.timeline-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.timeline-header h3 {
  margin: 0;
  font-size: 1.15rem;
}

.timeline-header span {
  font-size: 0.95rem;
  color: var(--muted);
  justify-self: start;
  margin-left: -2.25rem;
  white-space: nowrap;
}

.timeline-body p,
.timeline-body li,
.timeline-body small {
  margin: 0;
  color: var(--text);
}

.org-line,
.title-line {
  margin: 0.2rem 0 0;
  font-size: 1.02rem;
}

.timeline-body ul {
  margin: 0.55rem 0 0;
  padding-left: 1.3rem;
}

.timeline-body li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.info-card {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #ffffff;
}

.info-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1rem;
}

.info-card ul {
  margin: 0;
  padding-left: 1.2rem;
}

.contact-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.contact-box > a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.contact-box > a:hover,
.contact-box > a:focus-visible {
  text-decoration: underline;
}

.socials {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.socials a:hover,
.socials a:focus-visible {
  transform: translateY(-1px);
  border-color: #d1d5db;
}

.page-intro {
  padding: 2rem 0 0.5rem;
}

.page-intro h2 {
  margin: 0.2rem 0 0.75rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.05em;
}

.page-intro p {
  color: var(--muted);
  max-width: 700px;
}

.cv-block {
  display: grid;
  gap: 1rem;
}

.cv-item {
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #ffffff;
}

.cv-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.cv-item p,
.cv-item li {
  margin: 0;
  color: var(--muted);
}

.cv-item ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
}

footer {
  padding-top: 2rem;
  text-align: center;
  color: var(--soft);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .page-shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 0.5rem;
  }

  .main-nav {
    gap: 0.7rem 0.9rem;
  }

  .main-nav a {
    font-size: 0.9rem;
  }

  .hero,
  .two-col {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 1.5rem;
  }

  .hero-no-image {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero-skills-wrap {
    align-items: flex-start;
    min-height: auto;
  }

  .hero-skills {
    width: 100%;
    min-height: auto;
    padding: 0.4rem 0;
    gap: 0.55rem;
  }

  .skill-chip {
    font-size: 0.62rem;
    padding: 0.55rem 0.75rem;
  }

  .kicker {
    font-size: 1.5rem;
  }

  .hero-copy h2 {
    max-width: none;
  }

  .summary {
    max-width: none;
    font-size: 1rem;
  }

  .contact-list {
    gap: 0.6rem;
  }

  .contact-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-header {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .timeline-header span {
    margin-left: 0;
  }

  .cv-embed {
    min-height: 70vh;
  }
}

@media (max-width: 480px) {
  .page-shell {
    padding-left: 0.8rem;
    padding-right: 0.8rem;
  }

  .panel {
    padding: 1.2rem 1rem;
  }

  .main-nav {
    gap: 0.6rem 0.8rem;
  }

  .main-nav a {
    font-size: 0.82rem;
  }

  .kicker {
    font-size: 1.35rem;
  }

  .summary {
    font-size: 0.95rem;
  }

  .contact-list a {
    width: 1.9rem;
    height: 1.9rem;
  }

  .hero-skills {
    gap: 0.45rem;
  }

  .skill-chip {
    font-size: 0.58rem;
    padding: 0.5rem 0.7rem;
    border-radius: 12px;
  }

  .page-intro h2 {
    font-size: 2rem;
  }

  .cv-embed {
    min-height: 60vh;
  }

  .button {
    width: 100%;
  }
}