:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --surface: #ffffff;
  --ink: #192022;
  --muted: #5b6669;
  --line: #d9ddd7;
  --accent: #0f766e;
  --accent-strong: #0b4f6c;
  --gold: #c78916;
  --shadow: 0 20px 55px rgba(25, 32, 34, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(217, 221, 215, 0.84);
  background: rgba(246, 244, 239, 0.92);
  backdrop-filter: blur(18px);
}

.brand,
.site-nav,
.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
  font-size: 0.82rem;
}

.site-nav {
  gap: clamp(12px, 3vw, 32px);
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

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

main {
  overflow: hidden;
}

.hero {
  display: grid;
  min-height: calc(100vh - 75px);
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 420px);
  align-items: center;
  gap: clamp(32px, 7vw, 92px);
  padding: clamp(54px, 8vw, 96px) clamp(20px, 5vw, 72px) 48px;
  background:
    linear-gradient(115deg, rgba(15, 118, 110, 0.13), transparent 42%),
    linear-gradient(25deg, rgba(199, 137, 22, 0.13), transparent 36%),
    var(--bg);
}

.hero-copy {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  max-width: 850px;
  font-size: clamp(3.4rem, 10vw, 7.4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 4.2rem);
}

.hero-lede {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.06rem, 2vw, 1.35rem);
}

.hero-actions,
.contact-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 11px 18px;
  border: 1px solid var(--ink);
  font-weight: 750;
}

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

.button.secondary {
  background: transparent;
}

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

.profile-card {
  display: grid;
  gap: 22px;
  align-self: center;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.avatar {
  width: min(100%, 210px);
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1px solid var(--line);
  object-fit: cover;
}

.profile-name {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 850;
}

.profile-detail {
  margin: 4px 0 0;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
}

.stats div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfaf7;
}

.stats dt {
  font-size: 1.45rem;
  font-weight: 850;
}

.stats dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.section {
  padding: clamp(58px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.intro-section,
.skills-section,
.contact-section,
.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(24px, 6vw, 72px);
  align-items: start;
}

.intro-section p:last-child,
.contact-section p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

code {
  border-radius: 6px;
  padding: 0.12em 0.34em;
  background: #e9ece7;
  font-size: 0.92em;
}

.section-heading {
  align-items: end;
  margin-bottom: 28px;
}

.text-link {
  justify-self: end;
  color: var(--accent-strong);
  font-weight: 800;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.project-card:hover {
  border-color: rgba(15, 118, 110, 0.55);
  box-shadow: 0 18px 34px rgba(25, 32, 34, 0.08);
  transform: translateY(-2px);
}

.project-card h3 {
  margin: 0 0 10px;
  font-size: 1.32rem;
  line-height: 1.18;
}

.project-card p {
  margin: 0;
  color: var(--muted);
}

.project-meta,
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.tag {
  border-radius: 999px;
  padding: 5px 10px;
  background: #e8f2f0;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 800;
}

.project-links a {
  color: var(--accent-strong);
  font-weight: 800;
}

.pub-list {
  display: grid;
  gap: 48px;
}

.pub-group-title {
  margin: 0 0 20px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.pub-item {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.pub-year {
  padding-top: 3px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.pub-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pub-title {
  margin: 0;
  font-weight: 750;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--ink);
}

.pub-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.pub-link {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--accent-strong);
}

.pub-link:hover {
  color: var(--accent);
}

.intro-body p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1.08rem;
}

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

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-list span {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--surface);
  font-weight: 750;
}

.contact-section {
  align-items: center;
  background: #e7ece8;
}

.contact-actions {
  justify-content: flex-end;
  margin-top: 0;
}

.site-footer {
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.skeleton {
  display: block;
  border-radius: 8px;
  background: linear-gradient(90deg, #ecefeb, #f8f7f3, #ecefeb);
  background-size: 220% 100%;
  animation: shimmer 1.4s infinite linear;
}

.skeleton.title {
  width: 70%;
  height: 30px;
}

.skeleton.line {
  width: 100%;
  height: 16px;
}

.skeleton.line.short {
  width: 54%;
}

@keyframes shimmer {
  to {
    background-position: -220% 0;
  }
}

@media (max-width: 850px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .intro-section,
  .skills-section,
  .contact-section,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .profile-card {
    width: 100%;
  }

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

  .text-link,
  .contact-actions {
    justify-self: start;
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .site-nav {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 3.1rem;
  }

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

  .pub-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}