@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Manrope:wght@400;500;600;700;800&family=Sora:wght@500;600;700&display=swap');

:root {
  --bg: #edf6fb;
  --bg-alt: #dfeef7;
  --ink: #10273a;
  --muted: #45647a;
  --accent: #0089c7;
  --accent-2: #00b8a9;
  --accent-3: #1f4dbf;
  --signal: #ff6b4a;
  --card: rgba(255, 255, 255, 0.92);
  --line: rgba(16, 39, 58, 0.14);
  --line-strong: rgba(0, 137, 199, 0.42);
  --radius: 16px;
  --shadow-soft: 0 14px 36px rgba(18, 50, 78, 0.14);
  --shadow-card: 0 26px 58px rgba(18, 50, 78, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(820px 520px at 12% -4%, rgba(0, 184, 169, 0.13), transparent 65%),
    radial-gradient(760px 520px at 88% 0%, rgba(0, 137, 199, 0.14), transparent 66%),
    linear-gradient(180deg, var(--bg), var(--bg-alt));
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background: none;
  opacity: 0;
}

body::after {
  background:
    radial-gradient(380px 250px at 18% 86%, rgba(0, 137, 199, 0.13), transparent 76%),
    radial-gradient(320px 240px at 84% 84%, rgba(255, 107, 74, 0.11), transparent 74%);
  animation: neural-drift 18s ease-in-out infinite alternate;
}

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

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

a:hover {
  color: var(--accent-2);
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(237, 246, 251, 0.84);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(16, 39, 58, 0.1);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 0.95rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.78rem;
  font-family: "Sora", "Century Gothic", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 1px solid rgba(0, 137, 199, 0.3);
  box-shadow: 0 10px 20px rgba(16, 60, 92, 0.16);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
  width: 40px;
  height: 40px;
  margin-left: auto;
  border-radius: 10px;
  border: 1px solid rgba(0, 137, 199, 0.32);
  background: rgba(255, 255, 255, 0.75);
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-links a {
  padding: 0.33rem 0.8rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  transition: all 0.22s ease;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: linear-gradient(130deg, rgba(0, 137, 199, 0.14), rgba(0, 184, 169, 0.14));
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 2.5rem;
  padding: 4rem 0 3rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: "Sora", "Century Gothic", sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.hero h1 span {
  color: #006f9c;
}

.hero p {
  margin: 0;
  max-width: 72ch;
  font-size: 1.01rem;
  line-height: 1.77;
  color: var(--muted);
}

.hero-card {
  position: relative;
  overflow: hidden;
  background: #ffffff;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-card);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(0, 184, 169, 0.14), transparent 46%, rgba(0, 137, 199, 0.16));
  pointer-events: none;
}

.hero-card img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
}

.hero-card .banner {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.92rem 1.2rem;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ecf8ff;
  background: linear-gradient(90deg, rgba(15, 45, 71, 0.94), rgba(0, 137, 199, 0.84));
}

.section {
  padding: 3rem 0;
}

.section-title {
  margin: 0 0 1.3rem;
  font-family: "Sora", "Century Gothic", sans-serif;
  font-size: clamp(1.8rem, 2.6vw, 2.8rem);
  letter-spacing: 0.01em;
}

.section-title::after {
  content: "";
  display: block;
  width: 96px;
  height: 5px;
  margin-top: 0.56rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--signal));
}

.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(247, 252, 255, 0.94));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.32rem;
  box-shadow: var(--shadow-soft);
}

.project-card {
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2), var(--signal));
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.88rem 1.15rem;
}

.project-meta > div {
  background: rgba(251, 254, 255, 0.96);
  border: 1px solid rgba(0, 137, 199, 0.16);
  border-radius: 10px;
  padding: 0.74rem 0.86rem;
}

.project-meta > div.field-span {
  grid-column: span 2;
}

.field-label {
  margin-bottom: 0.34rem;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.field-value {
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.53;
}

.home-banner {
  margin: 0 auto 3rem;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.home-banner .logo-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2.8rem;
}

.home-banner img {
  max-height: 190px;
  width: auto;
  opacity: 1;
  filter: none;
}

.github-cta {
  display: flex;
  justify-content: center;
  margin: 0 auto 3rem;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.72rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(16, 39, 58, 0.2);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.83rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.github-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.github-link:hover {
  color: var(--accent-3);
  border-color: var(--line-strong);
  box-shadow: 0 10px 22px rgba(16, 50, 78, 0.14);
  transform: translateY(-1px);
}

.people-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.person-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 137, 199, 0.2);
  background: var(--card);
  box-shadow: var(--shadow-soft);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.person-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 38px rgba(16, 50, 78, 0.17);
}

.person-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: 50% 0%;
}

.person-card img.person-img-shift-up {
  object-position: 50% 20%;
}

.person-card .person-body {
  padding: 1rem 1.15rem 1.3rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 252, 255, 0.96));
}

.person-name {
  margin: 0 0 0.34rem;
  font-family: "Sora", "Century Gothic", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.person-meta {
  margin: 0.14rem 0;
  color: var(--muted);
  line-height: 1.42;
  font-size: 0.94rem;
}

.person-meta a {
  text-decoration: underline;
  text-decoration-color: rgba(0, 137, 199, 0.3);
  text-underline-offset: 2px;
}

.pub-year {
  margin: 2rem 0 1rem;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: var(--accent-3);
}

.pub-list {
  display: grid;
  gap: 1rem;
}

.pub-entry {
  position: relative;
  padding: 1rem 1.22rem 1rem 1.36rem;
  border-radius: 11px;
  border: 1px solid rgba(0, 137, 199, 0.2);
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  line-height: 1.6;
  box-shadow: 0 10px 24px rgba(16, 50, 78, 0.11);
}

.pub-entry::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  border-radius: 11px 0 0 11px;
  background: linear-gradient(180deg, var(--accent), var(--signal));
}

.footer {
  padding: 3rem 0 2.4rem;
  color: var(--muted);
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes neural-drift {
  from {
    transform: translateY(0) scale(1);
  }

  to {
    transform: translateY(-12px) scale(1.02);
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1.7rem;
    padding-top: 3rem;
  }

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

@media (max-width: 740px) {
  .nav {
    position: relative;
    flex-wrap: wrap;
    align-items: center;
  }

  .brand {
    font-size: 0.96rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.32rem;
    margin-top: 0.7rem;
    padding: 0.6rem;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 10px 24px rgba(16, 39, 58, 0.1);
  }

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

  .nav-links a {
    width: 100%;
    border-radius: 8px;
  }

  .nav.is-open .nav-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav.is-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .nav.is-open .nav-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .home-banner {
    margin-bottom: 2rem;
  }

  .person-card img {
    height: 220px;
    object-fit: contain;
    object-position: 50% 50%;
    background: rgba(224, 239, 249, 0.8);
  }
}

@media (max-width: 540px) {
  .project-meta {
    grid-template-columns: 1fr;
  }

  .project-meta > div.field-span {
    grid-column: span 1;
  }

  .hero-card .banner {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
  }
}

@media (prefers-reduced-motion: reduce) {
  body::after,
  .reveal,
  .person-card {
    animation: none;
    transition: none;
  }
}