@import url('https://googleapis.com');
:root {
  --burnt-sienna: #BE5103;
  --primary-blue: #0E3386;
  --light-purple: #9b7ec4;
  --accent-purple: #f3f0f7;
  --dark-gray: #2d2d2d;
  --medium-gray: #5a5a5a;
  --accent-neutral: #FFFAFA;
  --white: #ffffff;
  --line: rgba(24, 69, 59, 0.12);
  --shadow: 0 10px 30px rgba(24, 69, 59, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Montserrat', sans-serif; /* Try poppins later*/
  color: var(--dark-gray);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.90) 0%, rgba(255, 250, 250, 0.90) 100%);
  line-height: 1.65;
  padding-top: 88px;
}

#particles-js {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

main,
.footer {
  position: relative;
  z-index: 1;
}

a { color: inherit; }
img {
  width: 100%;             /* Resizes width */
  max-width: 600px;        /* Prevents stretching past its original size */
  height: auto;            /* Maintains original aspect ratio */
  object-fit: cover;       /* Cuts or fills the box without distortion */
  object-position: center; /* Aligns content inside its box */
  border-radius: 8px;      /* Rounds the image corners */
}

.container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.contact-form {
  display: flex;
  justify-content: center;
}

.contact-intro {
  margin: 1rem 0 1.5rem;
}

.contact-form-prompt {
  margin: 1rem 0 0;
  color: var(--medium-gray);
  font-weight: 600;
}

.contact-form iframe {
  max-width: 100%;
}

.tile-container {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  gap: 1rem;
  width: 100%;
  padding: 0.25rem 0.25rem 1.2rem;
  scroll-snap-type: x proximity;
  scroll-padding-inline: 0.25rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(190, 81, 3, 0.55) rgba(14, 51, 134, 0.08);
  overscroll-behavior-inline: contain;
}

.tile-container::-webkit-scrollbar {
  height: 0.65rem;
}

.tile-container::-webkit-scrollbar-track {
  background: rgba(14, 51, 134, 0.08);
  border-radius: 999px;
}

.tile-container::-webkit-scrollbar-thumb {
  background: rgba(190, 81, 3, 0.58);
  border-radius: 999px;
}

.tile {
  flex: 0 0 clamp(280px, 34vw, 390px);
  min-height: 310px;
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--dark-gray);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  text-decoration: none;
  scroll-snap-align: start;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.04);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.tile:hover,
.tile:focus-visible {
  border-color: rgba(190, 81, 3, 0.32);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(14, 51, 134, 0.12);
}

.tile-title {
  margin: 0;
  color: var(--burnt-sienna);
  font-size: 1.12rem;
  line-height: 1.28;
}

.tile-authors {
  margin: 0.8rem 0 0;
  color: var(--medium-gray);
  font-size: 0.94rem;
  line-height: 1.5;
}

.tile-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.tile-venue {
  color: var(--primary-blue);
  font-size: 0.92rem;
  font-style: italic;
}

.tile-link {
  color: var(--burnt-sienna);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 999;
  background: var(--primary-blue);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 2px 18px rgba(0,0,0,0.10);
}

.site-nav .inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.brand-mark, .nav-icon, .social-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 0.95rem;
  border-radius: 999px;
  text-decoration: none;
  color: rgba(255,255,255,0.92);
  transition: transform .18s ease, background .18s ease, color .18s ease;
}

.nav-link:hover {
  background: rgba(255,255,255,0.10);
  transform: translateY(-1px);
  color: #fff;
}

.nav-link.active {
  background: rgba(255,255,255,0.16);
  color: #fff;
}

.nav-dropdown {
  position: relative;
  display: inline-flex;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  padding: 0.45rem;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 40px rgba(0,0,0,0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.35rem);
  transition: opacity .18s ease, transform .18s ease;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.7rem 0.8rem;
  border-radius: 6px;
  color: var(--charcoal);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a:focus-visible {
  background: var(--soft-blue);
  color: var(--primary-blue);
  outline: none;
}

section[id] {
  scroll-margin-top: 110px;
}

.nav-label {
  font-size: 0.95rem;
  white-space: nowrap;
}

.page-hero {
  padding: 4rem 0 2rem;
}

.hero-card {
  border-radius: 10px;
  overflow: hidden;
}

.avatar {
  width: 180px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 30%, #ffffff 0%, #efe8fb 36%, #d4c4ee 100%);
  border: 6px solid rgba(255,255,255,0.95);
  box-shadow: 0 12px 26px rgba(107, 76, 154, 0.18);
  color: var(--primary-blue);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--burnt-sienna);
  font-size: clamp(1.00rem, 2vw, 4rem);
  font-weight: 700;
  margin: .1rem 0 0;

}

h1 {
  margin: .1rem 0 0;
  font-size: clamp(3.15rem, 5vw, 10rem);
  line-height: 1.10;
  color: var(--burnt-sienna);
}

.subtitle {
  margin: 0.6rem 0 1rem;
  font-size: 1.2rem;
  color: var(--primary-blue);
  font-weight: 600;
}

.lead {
  margin: 0 0 1.4rem;
  max-width: 66ch;
  color: var(--medium-gray);
  font-size: 1.03rem;
}

.button-row, .social-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pill-button, .profile-card, .content-card, .info-card {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 8px 18px rgba(0,0,0,0.04);
}

.pill-button {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1.1rem;
  text-decoration: none;
  color: var(--burnt-sienna);
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease;
}

.pill-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(24, 69, 59, 0.14);
}

.pill-button.primary {
  background: var(--burnt-sienna);
  color: #fff;
}

.skills-section {
  padding-bottom: 2rem;
}

.skills-row {
  display: flex;
  align-items: stretch;
  gap: 1rem;
}

.skill-group {
  flex: 1 1 0;
  min-width: 0;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.04);
}

.skill-group h3 {
  margin: 0 0 0.8rem;
  color: var(--primary-blue);
  font-size: 1rem;
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.35rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(190, 81, 3, 0.22);
  border-radius: 999px;
  background: rgba(190, 81, 3, 0.07);
  color: var(--burnt-sienna);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.2;
}

.section {
  padding: 2rem 0 4rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-title {
  margin: 0;
  color: var(--burnt-sienna);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.section-note {
  margin: 0;
  color: var(--medium-gray);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.profile-pic{
  display: flex;
  justify-content: center;
  gap: 1.25rem;
}

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

.profile-card, .content-card, .info-card {
  padding: 1.3rem;
}

.profile-card h3, .content-card h3, .info-card h3 {
  margin: 0 0 0.5rem;
  color: var(--burnt-sienna);
  font-size: 1.08rem;
}

.profile-card p, .content-card p, .info-card p {
  margin: 0;
  color: var(--medium-gray);
}

.bullet-list {
  margin: 0.6rem 0 0;
  padding-left: 1.2rem;
  color: var(--medium-gray);
}

.bullet-list li { margin: 0.34rem 0; }

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  padding: 1.25rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 6px 16px rgba(0,0,0,0.03);
}

.timeline-item h3 {
  margin: 0 0 0.3rem;
  color: var(--burnt-sienna);
}

.role {
  color: var(--primary-blue);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.date {
  color: var(--medium-gray);
  font-size: 0.92rem;
  margin-bottom: 0.8rem;
}

.project {
  background: var(--accent-purple);
  border: 1px solid rgba(107,76,154,0.12);
  padding: 1rem;
  border-radius: 18px;
  margin-top: 1rem;
}

.project h4 {
  margin: 0 0 0.35rem;
  color: var(--primary-blue);
}

.project p {
  margin: 0 0 0.35rem;
  color: var(--dark-gray);
}

.publication {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .18s ease, box-shadow .18s ease;
}

.publication:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(107, 76, 154, 0.10);
}

.publication-title {
  color: var(--burnt-sienna);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.publication-authors {
  color: var(--medium-gray);
  font-size: 0.95rem;
}

.publication-venue {
  color: var(--primary-blue);
  font-style: italic;
  font-size: 0.92rem;
  margin-top: 0.3rem;
}

.poster-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: #0d1f38;
  box-shadow: var(--shadow);
}

.poster-stage {
  position: relative;
  min-height: clamp(360px, 62vw, 680px);
}

.poster-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease;
}

.poster-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.poster-image-link {
  display: block;
  width: 100%;
  height: 100%;
}

.poster-image-link img {
  width: 100%;
  max-width: none;
  height: 100%;
  min-height: clamp(360px, 62vw, 680px);
  border-radius: 0;
  background: #0d1f38;
  object-fit: contain;
  object-position: center;
}

.poster-slide::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 52%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(13, 31, 56, 0), rgba(13, 31, 56, 0.86));
}

.poster-caption {
  position: absolute;
  left: clamp(1.2rem, 5vw, 4rem);
  right: clamp(1.2rem, 5vw, 4rem);
  bottom: clamp(1.2rem, 5vw, 4rem);
  z-index: 2;
  
  color: #fff;
}

.poster-kicker {
  margin: 0 0 0.35rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.poster-caption h3 {
  margin: 0;
  font-size: clamp(1.7rem, 2.5vw, 2rem);
  line-height: 1.12;
}

.poster-caption p {
  margin: 0.55rem 0 0;
  font-size: clamp(0.98rem, 2vw, 1.18rem);
}
.poster-control {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 2.75rem;
  height: 2.75rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(13, 31, 56, 0.52);
  color: #fff;
  cursor: pointer;
  transform: translateY(-50%);
  transition: background .18s ease, transform .18s ease;
}

.poster-control:hover,
.poster-control:focus-visible {
  background: rgba(13, 31, 56, 0.82);
  transform: translateY(-50%) scale(1.04);
}

.poster-control span {
  line-height: 1;
  font-size: 2rem;
}

.poster-control-prev {
  left: 1rem;
}

.poster-control-next {
  right: 1rem;
}

.poster-dots {
  position: absolute;
  right: clamp(1.2rem, 5vw, 4rem);
  bottom: 1.15rem;
  z-index: 4;
  display: flex;
  gap: 0.5rem;
}

.poster-dot {
  width: 0.65rem;
  height: 0.65rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.poster-dot.active,
.poster-dot:hover,
.poster-dot:focus-visible {
  background: #fff;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.social-card {
  display: flex;
  /* Stacks items vertically */
  flex-direction: column; 
  /* Centrally aligns the image and text horizontally */
  align-items: center; 
  /* Centrally aligns items vertically if card has a fixed height */
  justify-content: center; 
  /* Centers text inside its own container */
  text-align: center; 
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: var(--dark-gray);
  transition: transform .18s ease, box-shadow .18s ease;
}

.social-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(24, 69, 59, 0.10);
}

.social-card strong {
  display: block;
  color: var(--burnt-sienna);
  margin-bottom: 0.2rem;
}

.social-card span {
  color: var(--medium-gray);
  font-size: 0.92rem;
}

.footer {
  margin-top: 2rem;
  background: var(--primary-blue);
  color: #fff;
  padding: 1.9rem 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
  align-items: center;
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.96rem;
}

.footer-nav a {
  color: inherit;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: #fff;
}

.compact-social-grid {
  --social-x: 0px;
  --social-y: 0px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  justify-self: end;
  transform: translate(var(--social-x), var(--social-y));
}

.compact-social-link {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 6px;
  background: var(--accent-neutral);
  text-decoration: none;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.compact-social-link:hover,
.compact-social-link:focus-visible {
  background: #fff;
  color: var(--burnt-sienna);
  transform: translateY(-1px);
}

.compact-social-link .social-icon {
  width: 1rem;
  height: 1rem;
  object-fit: contain;
}

.compact-social-link:hover img.social-icon,
.compact-social-link:focus-visible img.social-icon {
  filter: none;
}

.footer p {
  margin: 0.2rem 0;
  opacity: 0.95;
}

.callout {
  border-radius: 22px;
  border: 1px solid rgba(107,76,154,0.16);
  background: linear-gradient(135deg, rgba(243,240,247,0.9), #fff);
  padding: 1.2rem;
}

.small {
  font-size: 0.94rem;
}

.screen-reader-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .lead { margin-left: auto; margin-right: auto; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .skills-row { flex-direction: column; }
  .grid-2, .grid-3, .social-grid { grid-template-columns: 1fr; }
  .poster-stage,
  .poster-image-link img { min-height: 520px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .footer-nav { flex-wrap: wrap; }
  .compact-social-grid { justify-content: center; justify-self: center; }
  .site-nav .inner { min-height: auto; padding: 0.75rem 0; flex-direction: column; align-items: flex-start; }
  .nav-links { justify-content: flex-start; }
  section[id] { scroll-margin-top: 150px; }
}

@media (max-width: 640px) {
  body { padding-top: 104px; }
  .brand .brand-text { font-size: 0.95rem; white-space: normal; }
  .nav-label { display: none; }
  .nav-link { padding: 0.8rem; }
  .hero-card { border-radius: 0px; }
  .avatar { width: 140px; font-size: 2.4rem; }
  .tile { flex-basis: min(86vw, 340px); }
  .poster-stage,
  .poster-image-link img { min-height: 430px; }
  .poster-control {
    top: auto;
    bottom: 1rem;
    transform: none;
  }
  .poster-control:hover,
  .poster-control:focus-visible {
    transform: scale(1.04);
  }
  .poster-dots {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }
}