:root {
  --navy: #0b192f;
  --navy-light: #112240;
  --slate: #8892b0;
  --slate-light: #a8b2d1;
  --heading: #ccd6f6;
  --mint: #64ffda;
  --line: rgba(136, 146, 176, 0.2);
  --font: "Inter", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--navy);
  color: var(--slate);
  font: 400 0.92rem/1.72 var(--font);
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  left: 1rem;
  top: -5rem;
  padding: 0.75rem 1rem;
  background: var(--mint);
  color: var(--navy);
  font-weight: 700;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(270px, 0.8fr) minmax(0, 1fr);
  gap: clamp(4rem, 10vw, 10rem);
  max-width: 1280px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 7vw, 7rem);
}
.profile-header {
  position: sticky;
  top: 0;
  display: flex;
  height: 100vh;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(4rem, 9vh, 7rem) 0 clamp(3rem, 7vh, 5rem);
}
.name {
  display: inline-block;
  color: var(--heading);
  font-size: clamp(1.9rem, 3vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
}
.role {
  margin: 1rem 0 1.35rem;
  color: var(--heading);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.25;
}
.intro {
  max-width: 21rem;
  margin: 0;
}
.section-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
  margin-bottom: auto;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: fit-content;
  color: var(--slate);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-link span {
  width: 1.9rem;
  height: 1px;
  background: var(--slate);
  transition:
    width 0.2s,
    background 0.2s;
}
.nav-link:hover {
  color: var(--heading);
}
.nav-link:hover span {
  width: 3.8rem;
  background: var(--heading);
}
.social-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}
.social-links a {
  color: var(--slate);
  font-size: 0.83rem;
  font-weight: 700;
  transition:
    color 0.2s,
    transform 0.2s;
}
.social-links a:hover {
  color: var(--mint);
  transform: translateY(-3px);
}

main {
  padding-top: clamp(4rem, 15vh, 11rem);
  padding-bottom: 5rem;
}
section {
  margin-bottom: clamp(6rem, 13vw, 10rem);
  scroll-margin-top: 1.5rem;
}
section > h2 {
  display: none;
}
.about p {
  margin: 0 0 1.15rem;
  font-size: clamp(1rem, 1.7vw, 1.08rem);
}
.about p:last-child {
  margin: 0;
}
.education-note,
.section-lead {
  max-width: 38rem;
  margin: 1.5rem 0 0;
  font-size: 0.82rem;
  line-height: 1.65;
}
.education-note {
  color: var(--heading);
}
.education-logo {
  display: block;
  width: 128px;
  height: 128px;
  margin-top: 1rem;
  object-fit: contain;
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.5rem;
}
.stack-card {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.25rem;
}
.stack-card h3 {
  margin: 0 0 0.45rem;
  color: var(--heading);
  font-size: 0.84rem;
}
.stack-card p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.65;
}
.reward-list {
  padding: 0;
  margin: 1.5rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.reward-list li {
  display: grid;
  grid-template-columns: 4rem 7rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.reward-year {
  color: var(--slate);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
}
.reward-name {
  color: var(--heading);
  font-size: 0.84rem;
  font-weight: 600;
}
.reward-event {
  font-size: 0.82rem;
}
.reward-link {
  color: var(--heading);
  font-size: 1rem;
  text-decoration: none;
  transition: color 160ms ease, transform 160ms ease;
}
.reward-link:hover {
  color: var(--accent);
  transform: translate(2px, -2px);
}
.reward-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.timeline,
.project-list {
  padding: 0;
  margin: 0;
  list-style: none;
}
.timeline > li {
  display: grid;
  grid-template-columns: 7.1rem minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.period {
  margin: 1rem 0 0;
  color: var(--slate);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  line-height: 1.4;
}
.timeline-card,
.project-card {
  border-radius: 0.25rem;
  transition:
    background 0.2s,
    box-shadow 0.2s;
}
.timeline-card {
  padding: 0.9rem 1rem;
  margin: 0 -1rem;
}
.timeline-card:hover,
.project-card:hover {
  background: var(--navy-light);
  box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}
.card-title {
  color: var(--heading);
  font-weight: 600;
  line-height: 1.35;
}
.card-title span {
  color: var(--mint);
  font-size: 0.9em;
}
.timeline-card p,
.project-copy p {
  margin: 0.55rem 0 0.8rem;
  font-size: 0.82rem;
  line-height: 1.6;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.tag-list li {
  padding: 0.18rem 0.58rem;
  border-radius: 999px;
  background: rgba(100, 255, 218, 0.1);
  color: var(--mint);
  font-size: 0.62rem;
  font-weight: 500;
  line-height: 1.35;
}
.inline-link {
  display: inline-block;
  margin-top: 1.2rem;
  color: var(--heading);
  font-size: 0.8rem;
  font-weight: 600;
}
.inline-link span {
  margin-left: 0.45rem;
  color: var(--mint);
  transition: transform 0.2s;
}
.inline-link:hover span {
  display: inline-block;
  transform: translateX(4px);
}

.project-card {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 1.2rem;
  align-items: center;
  padding: 1rem;
  margin: 0 -1rem 1.2rem;
}
.project-art {
  position: relative;
  isolation: isolate;
  min-height: 7.4rem;
  overflow: hidden;
  color: var(--navy);
}
.atlas-art {
  background: #e3b77a;
  padding: 0.7rem;
}
.art-kicker {
  position: relative;
  z-index: 2;
  font-size: 0.55rem;
  letter-spacing: 0.18em;
}
.atlas-art strong {
  position: absolute;
  z-index: 1;
  right: 0.5rem;
  bottom: -0.95rem;
  font-size: 8rem;
  line-height: 1;
  font-weight: 700;
  opacity: 0.85;
}
.atlas-circle {
  position: absolute;
  border: 1px solid var(--navy);
  border-radius: 50%;
}
.atlas-circle.one {
  width: 7rem;
  height: 7rem;
  top: -2.7rem;
  right: -1.8rem;
}
.atlas-circle.two {
  width: 4.5rem;
  height: 4.5rem;
  bottom: -2.3rem;
  left: 1rem;
}
.bloom-art {
  display: grid;
  place-items: center;
  background: #db8e8c;
  color: #fff4e6;
  font-family: Georgia, serif;
  font-size: 1.65rem;
  font-style: italic;
}
.bloom-art i {
  position: absolute;
  z-index: -1;
  width: 5rem;
  height: 1.5rem;
  border-radius: 100%;
  background: #eac4a6;
}
.bloom-art i:nth-of-type(1) {
  transform: rotate(0deg) translateX(1.75rem);
}
.bloom-art i:nth-of-type(2) {
  transform: rotate(45deg) translateX(1.75rem);
}
.bloom-art i:nth-of-type(3) {
  transform: rotate(90deg) translateX(1.75rem);
}
.bloom-art i:nth-of-type(4) {
  transform: rotate(135deg) translateX(1.75rem);
}
.bloom-art b {
  position: absolute;
  bottom: 0.55rem;
  right: 0.7rem;
}
.signal-art {
  background: #9bb4c4;
  padding: 0.7rem;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.08em;
}
.signal-bars {
  position: absolute;
  display: flex;
  gap: 0.35rem;
  align-items: end;
  right: 0.7rem;
  bottom: 0.7rem;
  height: 4rem;
}
.signal-bars i {
  width: 0.47rem;
  background: var(--navy);
}
.signal-bars i:nth-child(1) {
  height: 30%;
}
.signal-bars i:nth-child(2) {
  height: 70%;
}
.signal-bars i:nth-child(3) {
  height: 45%;
}
.signal-bars i:nth-child(4) {
  height: 100%;
}
.signal-bars i:nth-child(5) {
  height: 62%;
}

.writing-list {
  border-top: 1px solid var(--line);
}
.writing-list a {
  display: grid;
  grid-template-columns: 6rem 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s;
}
.writing-list a:hover {
  color: var(--heading);
}
.writing-list time {
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}
.writing-list span {
  font-size: 0.83rem;
  font-weight: 500;
}
.writing-list b {
  color: var(--mint);
}
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--slate);
  font-size: 0.7rem;
}
footer p {
  margin: 0;
}
footer a {
  color: var(--heading);
  font-weight: 600;
}
footer a span {
  color: var(--mint);
}

@media (max-width: 800px) {
  .page-shell {
    display: block;
    max-width: 640px;
    padding: 0 1.5rem;
  }
  .profile-header {
    position: static;
    height: auto;
    padding: 4rem 0 0;
  }
  .section-nav {
    display: none;
  }
  .social-links {
    margin-top: 1.8rem;
  }
  main {
    padding-top: 5rem;
  }
  section {
    margin-bottom: 5rem;
  }
  .timeline > li {
    grid-template-columns: 1fr;
    gap: 0.45rem;
    margin-bottom: 1.6rem;
  }
  .period {
    margin: 0;
  }
  .timeline-card {
    padding: 0;
    margin: 0;
  }
  .timeline-card:hover {
    background: transparent;
    box-shadow: none;
  }
  .project-card {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    margin-bottom: 0.8rem;
  }
  .project-art {
    min-height: 6.5rem;
  }
  .stack-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .project-card {
    display: block;
    padding: 0;
    margin: 0 0 2rem;
  }
  .project-card:hover {
    background: transparent;
    box-shadow: none;
  }
  .project-art {
    margin-bottom: 1rem;
    min-height: 10rem;
  }
  .reward-list li {
    grid-template-columns: 3.5rem 1fr;
    gap: 0.35rem 0.8rem;
  }
  .reward-event {
    grid-column: 2;
  }
  .reward-link {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }
  footer {
    display: block;
  }
  footer a {
    display: inline-block;
    margin-top: 0.8rem;
  }
}