:root {
  --bg: #0f1117;
  --panel: #161923;
  --panel-soft: #1e2230;
  --text: #f3efe6;
  --muted: #a7a090;
  --line: rgba(243, 239, 230, 0.14);
  --accent: #d7ff6f;
  --accent-2: #9bd7ff;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(215, 255, 111, 0.12), transparent 34rem),
    radial-gradient(circle at 85% 10%, rgba(155, 215, 255, 0.11), transparent 30rem),
    linear-gradient(180deg, #0f1117 0%, #11131a 55%, #0f1117 100%);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 17, 23, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}

.name {
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-name {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-name img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  display: block;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.92rem;
}

.links a {
  color: var(--muted);
}

.links a:hover {
  color: var(--text);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

.hero {
  min-height: 82vh;
  padding: 96px 0 88px;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) 340px;
  gap: 64px;
  align-items: center;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  right: 220px;
  top: 130px;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow:
    56px 40px 0 rgba(155, 215, 255, 0.9),
    -48px 82px 0 rgba(243, 239, 230, 0.5),
    96px 126px 0 rgba(215, 255, 111, 0.6);
  opacity: 0.8;
}

.label {
  display: inline-block;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(4rem, 10vw, 8.6rem);
  line-height: 0.86;
  letter-spacing: -0.085em;
  margin: 0 0 28px;
  max-width: 820px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  margin: 0 0 26px;
}

h3 {
  font-size: 1.25rem;
  margin: 36px 0 16px;
}

h4 {
  font-size: 1.08rem;
  margin: 0 0 8px;
}

.subtitle {
  font-size: clamp(1.35rem, 2.4vw, 2.1rem);
  line-height: 1.18;
  max-width: 760px;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-text > p:not(.label):not(.subtitle) {
  color: var(--muted);
  max-width: 660px;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.buttons a {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.94rem;
}

.buttons a:hover {
  background: var(--accent);
  color: #0f1117;
  text-decoration: none;
  border-color: var(--accent);
}

.hero-photo {
  position: relative;
}

.hero-photo::before {
  content: "quantum information / many-body physics / gravity";
  position: absolute;
  left: -58px;
  bottom: 18px;
  transform: rotate(-90deg);
  transform-origin: left bottom;
  color: rgba(243, 239, 230, 0.45);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.hero-photo img {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 28px;
  display: block;
  margin-left: auto;
  border: 1px solid var(--line);
  filter: grayscale(15%) contrast(1.03);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

section > p {
  max-width: 780px;
  color: var(--muted);
}

#about p {
  font-size: 1.15rem;
  max-width: 820px;
}

.article-page {
  max-width: 820px;
  padding: 96px 0 72px;
}

.article-page h1 {
  font-size: clamp(2.5rem, 5.2vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  max-width: 760px;
}

.article-page h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  margin-bottom: 18px;
}

.article-page section {
  padding: 46px 0;
}

.article-page p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
}

.article-page .article-intro p:first-child {
  color: var(--text);
  font-size: 1.22rem;
}

.article-page strong {
  color: var(--text);
}

.magic-illustration {
  max-width: 430px;
  margin: 44px auto 12px;
  padding: 10px;
  background: white;
  border-radius: 24px;
}

.magic-illustration img {
  display: block;
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center bottom;
  border-radius: 16px;
}

.article-back {
  margin-top: 44px;
  font-size: 1rem !important;
}

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

.cards article,
.publication {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
}

.cards article {
  min-height: 230px;
  position: relative;
  overflow: hidden;
}

.cards article::after {
  content: "";
  position: absolute;
  right: -32px;
  bottom: -32px;
  width: 110px;
  height: 110px;
  border-radius: 999px;
  border: 1px solid rgba(215, 255, 111, 0.18);
}

.cards article h3 {
  margin-top: 0;
  color: var(--accent);
}

.cards article p,
.publication p,
#outreach p,
#contact p {
  color: var(--muted);
}

.publication {
  margin-bottom: 16px;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.publication:hover {
  transform: translateY(-2px);
  border-color: rgba(215, 255, 111, 0.38);
  background:
    linear-gradient(180deg, rgba(215, 255, 111, 0.075), rgba(255, 255, 255, 0.025));
}

.publication p {
  margin: 6px 0;
}

.publication h4 {
  color: var(--text);
}

/* Outreach */

.outreach-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.outreach-item {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px 22px;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.outreach-item:hover {
  transform: translateY(-2px);
  border-color: rgba(215, 255, 111, 0.38);
  background:
    linear-gradient(180deg, rgba(215, 255, 111, 0.075), rgba(255, 255, 255, 0.025));
}

.outreach-type {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.outreach-item h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.35;
}

.outreach-item h3 a {
  color: var(--text);
}

.outreach-item h3 a:hover {
  color: var(--accent);
  text-decoration: none;
}

.outreach-more {
  margin-top: 22px;
}

/* Academic Journey */

.aj-section {
  display: block;
}

.aj-section h2 {
  margin-bottom: 44px;
}

.aj-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding: 52px 42px 48px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.aj-track::before {
  display: none;
}

/* one clean continuous green line */
.aj-track::after {
  content: "";
  position: absolute;
  top: 104px;
  left: 12.5%;
  right: 12.5%;
  height: 4px;
  background: var(--accent);
  border-radius: 999px;
  box-shadow: 0 0 18px rgba(215, 255, 111, 0.25);
  z-index: 1;
}

.aj-item {
  position: relative;
  z-index: 2;
  text-align: center;
  min-width: 0;
}

.aj-years {
  height: 34px;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 1.24rem;
  font-weight: 700;
  white-space: nowrap;
}

.aj-dot {
  position: relative;
  width: 20px;
  height: 20px;
  margin: 0 auto 42px;
  border-radius: 999px;
  background: var(--bg);
  border: 4px solid var(--accent);
  box-shadow:
    0 0 0 3px rgba(215, 255, 111, 0.18),
    0 0 18px rgba(215, 255, 111, 0.28);
}

.aj-logo {
  width: 132px;
  height: 132px;
  padding: 18px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid rgba(243, 239, 230, 0.18);
  border-radius: 28px;
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.26);
}

.aj-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: none;
  opacity: 1;
}

.aj-item h3 {
  max-width: 230px;
  margin: 0 auto 8px;
  color: var(--text);
  font-size: 1.14rem;
  line-height: 1.25;
}

.aj-item p {
  max-width: 230px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.35;
}

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 34px 24px;
  color: var(--muted);
}

.art-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.art-item {
  padding: 0;
  overflow: hidden;
}

.art-item img {
  width: 100%;
  height: auto;
  display: block;
}

.poem-section {
  padding-top: 60px;
}

.poem {
  max-width: 720px;
}

.poem h3 {
  margin-bottom: 24px;
}

.poem p {
  line-height: 1.9;
  white-space: normal;
}

/* Mobile */

@media (max-width: 860px) {
  nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 72px 0;
  }

  .hero::before {
    display: none;
  }

  .hero-photo::before {
    display: none;
  }

  .hero-photo img {
    margin-left: 0;
    max-width: 210px;
  }

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

  section {
    padding: 56px 0;
  }

  .aj-section h2 {
    margin-bottom: 32px;
  }

  .aj-track {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 32px 24px 32px 52px;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .aj-track::after {
    top: 32px;
    bottom: 32px;
    left: 28px;
    right: auto;
    width: 4px;
    height: auto;
    background: var(--accent);
  }

  .art-gallery {
    grid-template-columns: 1fr;
  }
}