:root {
  --ink: #14202b;
  --ink-soft: #2c3a47;
  --mist: #eef2f5;
  --paper: #f7f8f6;
  --line: rgba(20, 32, 43, 0.12);
  --accent: #0f6e56;
  --accent-deep: #0a4f3d;
  --copper: #9a5b2f;
  --white: #ffffff;
  --shadow-soft: 0 18px 50px rgba(20, 32, 43, 0.12);
  --font-display: "Newsreader", "Times New Roman", serif;
  --font-sans: "Outfit", "Helvetica Neue", sans-serif;
  --max: 1120px;
  --nav-h: 4.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(15, 110, 86, 0.08), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(154, 91, 47, 0.08), transparent 55%),
    linear-gradient(180deg, var(--paper) 0%, var(--mist) 100%);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--copper);
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(247, 248, 246, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(247, 248, 246, 0.94);
}

.nav {
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: 0.55rem;
  padding: 0.55rem 0.8rem;
  font: inherit;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 85% 20%, rgba(15, 110, 86, 0.28), transparent 60%),
    radial-gradient(700px 480px at 10% 80%, rgba(154, 91, 47, 0.18), transparent 55%),
    linear-gradient(135deg, #0d171f 0%, #163043 48%, #0f2b24 100%);
  transform: scale(1.04);
  animation: hero-zoom 8s ease-out forwards;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 4.5rem 0;
}

.hero-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.55rem;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 600;
  opacity: 0;
  animation: rise 0.8s ease 0.1s forwards;
}

.hero-headshot {
  width: clamp(9.5rem, 22vw, 12.5rem);
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.85rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  margin: 0.45rem 0 0.35rem;
  opacity: 0;
  animation: rise 0.85s ease 0.22s forwards;
}

.hero-role,
.hero-college,
.hero-location {
  margin: 0;
  opacity: 0;
}

.hero-role {
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  font-weight: 600;
  color: rgba(247, 248, 246, 0.95);
  animation: rise 0.85s ease 0.34s forwards;
}

.hero-college {
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  color: rgba(247, 248, 246, 0.82);
  animation: rise 0.85s ease 0.46s forwards;
}

.hero-location {
  font-size: 0.98rem;
  color: rgba(247, 248, 246, 0.72);
  animation: rise 0.85s ease 0.58s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
  opacity: 0;
  animation: rise 0.9s ease 0.6s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 3rem;
  padding: 0.8rem 1.25rem;
  border-radius: 0.65rem;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-deep);
  color: var(--white);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--white);
}

.section {
  padding: 5.5rem 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-label {
  margin: 0 0 0.75rem;
  font-size: 0.84rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 600;
}

.section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-intro {
  margin: 1rem 0 0;
  max-width: 42rem;
  color: var(--ink-soft);
}

.about-grid,
.skills-grid,
.contact-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.about-grid {
  grid-template-columns: 1.4fr 1fr;
}

.prose p {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
}

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

.focus-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.focus-list li {
  padding: 0.35rem 0 0.35rem 1rem;
  border-left: 2px solid var(--accent);
  color: var(--ink-soft);
}

.timeline {
  display: grid;
  gap: 1.4rem;
  margin-top: 2.5rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 10.5rem 1fr;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
}

.timeline-item:last-child {
  border-bottom: 1px solid var(--line);
}

.timeline-meta {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.timeline-item h3 {
  margin: 0 0 0.25rem;
  font-size: 1.28rem;
  letter-spacing: -0.02em;
}

.timeline-item .org {
  margin: 0 0 0.85rem;
  color: var(--accent-deep);
  font-weight: 600;
}

.section-compact {
  padding: 2rem 0;
}

.section-compact .section-label {
  margin-bottom: 0.35rem;
}

.section-compact h2 {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
}

.timeline-compact {
  gap: 0;
  margin-top: 0.85rem;
}

.timeline-compact .timeline-item {
  grid-template-columns: 11.5rem 1fr;
  gap: 0.85rem;
  padding: 0.4rem 0;
  align-items: baseline;
}

.timeline-compact .timeline-item h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.25;
}

.timeline-compact .timeline-item .org {
  margin: 0.1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.3;
}

.timeline-compact .timeline-meta {
  font-size: 0.86rem;
  line-height: 1.3;
  white-space: nowrap;
}

.timeline-item ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.timeline-item li + li {
  margin-top: 0.45rem;
}

.pub-list,
.award-list,
.edu-list {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.pub-item,
.award-item,
.edu-item {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.pub-item:last-child,
.award-item:last-child,
.edu-item:last-child {
  border-bottom: 1px solid var(--line);
}

.pub-item h3,
.edu-item h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.pub-meta,
.edu-meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.7rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.55);
}

.skills-grid {
  grid-template-columns: repeat(3, 1fr);
}

.skill-block h3 {
  margin: 0 0 0.9rem;
  font-size: 1.1rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  padding: 0.35rem 0;
  margin-right: 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--line);
}

.contact-grid {
  grid-template-columns: 1.1fr 1fr;
  align-items: start;
}

.contact-panel {
  padding: 0;
}

.contact-panel p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-list a {
  font-weight: 600;
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

.contact-actions {
  margin-top: 1.5rem;
}

.map-frame {
  width: 100%;
  min-height: 280px;
  border: 0;
  border-radius: 1rem;
  box-shadow: var(--shadow-soft);
}

.site-footer {
  padding: 2rem 0 2.75rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes hero-zoom {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1);
  }
}

@media (max-width: 900px) {
  .about-grid,
  .skills-grid,
  .contact-grid,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    gap: 0.45rem;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(var(--nav-h) - 0.25rem);
    right: 1.25rem;
    left: 1.25rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.85rem;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--line);
    border-radius: 0.9rem;
    box-shadow: var(--shadow-soft);
  }

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

  .nav-links a {
    padding: 0.7rem 0.55rem;
  }

  .hero-content {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media,
  .hero-headshot,
  .hero h1,
  .hero-role,
  .hero-college,
  .hero-location,
  .hero-actions,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}