:root {
  --bg-body: #050505;
  --bg-panel: rgba(20, 20, 20, 0.7);
  --text-main: #e0e0e0;
  --text-dim: #7b7b7b;
  --neon-cyan: #00f0ff;
  --neon-green: #42f56f;
  --neon-purple: #bc13fe;
  --border-glass: rgba(255, 255, 255, 0.08);
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.55);
}

:root[data-theme="light"] {
  --bg-body: #eceff3;
  --bg-panel: rgba(255, 255, 255, 0.8);
  --text-main: #151a21;
  --text-dim: #5f6672;
  --neon-cyan: #007b8c;
  --neon-green: #1b8f3c;
  --neon-purple: #6d2aa6;
  --border-glass: rgba(20, 28, 37, 0.12);
  --shadow: 0 12px 30px rgba(29, 40, 54, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-main);
  background-color: var(--bg-body);
  background-image:
    radial-gradient(circle at 52% 0%, rgba(34, 34, 34, 0.8) 0%, rgba(5, 5, 5, 1) 55%),
    linear-gradient(transparent 95%, rgba(0, 240, 255, 0.05) 100%);
  font-family: "Rajdhani", sans-serif;
  line-height: 1.6;
}

:root[data-theme="light"] body {
  background-image:
    radial-gradient(circle at 52% 0%, rgba(255, 255, 255, 0.95) 0%, rgba(232, 238, 247, 1) 58%),
    linear-gradient(transparent 96%, rgba(0, 123, 140, 0.07) 100%);
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-glass);
  background-color: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(10px);
}

:root[data-theme="light"] .site-header {
  background-color: rgba(238, 242, 248, 0.88);
}

.nav-wrap {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  color: var(--text-main);
  font-family: "JetBrains Mono", monospace;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.brand:hover {
  color: var(--neon-green);
  text-shadow: 0 0 8px rgba(66, 245, 111, 0.45);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 1.02rem;
  transition: all 0.22s ease;
}

.nav-links a:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}

.theme-toggle {
  border: 1px solid var(--border-glass);
  background: var(--bg-panel);
  color: var(--text-dim);
  border-radius: 4px;
  padding: 0.34rem 0.62rem;
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--neon-cyan);
  border-color: rgba(0, 240, 255, 0.35);
}

:root[data-theme="light"] .theme-toggle:hover {
  border-color: rgba(0, 123, 140, 0.32);
}

.section {
  padding: 4.6rem 0;
}

.section-alt {
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

.hero,
.cv-hero {
  padding-top: 5.1rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.4rem;
  align-items: start;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.15;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

h1 {
  margin: 0.4rem 0 0.8rem;
  font-size: clamp(2rem, 3vw + 1rem, 3.2rem);
}

h2 {
  margin-bottom: 0.9rem;
  font-size: clamp(1.45rem, 2vw + 0.8rem, 2rem);
}

h3 {
  font-size: 1.1rem;
}

.eyebrow {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  color: var(--neon-green);
  text-transform: uppercase;
  letter-spacing: 1.1px;
  font-size: 0.8rem;
}

.lead {
  font-size: 1.08rem;
  color: var(--text-main);
  max-width: 60ch;
}

.small-lead {
  font-size: 1rem;
  color: var(--text-dim);
}

.slider-shell,
.slides,
.profile-card,
.item,
.project-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-glass);
  border-radius: 4px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.slides {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.slide {
  scroll-snap-align: start;
  padding: 1.4rem 1.2rem;
}

.slide-hint {
  margin-top: 0.8rem;
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}

.hero-cta {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.btn {
  display: inline-block;
  border: 1px solid var(--border-glass);
  border-radius: 4px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0.55rem 0.9rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-primary {
  background: rgba(0, 240, 255, 0.12);
  color: var(--neon-cyan);
}

.btn-soft {
  background: rgba(66, 245, 111, 0.1);
  color: var(--neon-green);
}

:root[data-theme="light"] .btn-primary {
  background: rgba(0, 123, 140, 0.12);
  border-color: rgba(0, 123, 140, 0.35);
}

:root[data-theme="light"] .btn-soft {
  background: rgba(27, 143, 60, 0.1);
  border-color: rgba(27, 143, 60, 0.35);
}

.btn:hover {
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
  transform: translateY(-1px);
}

.profile-card {
  padding: 1rem;
}

.profile-photo {
  width: 90px;
  height: 90px;
  border-radius: 4px;
  border: 1px solid rgba(188, 19, 254, 0.35);
  object-fit: cover;
  margin-bottom: 0.7rem;
}

.profile-list {
  margin: 0;
  padding-left: 1.05rem;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip-grid span,
.project-meta li {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.76rem;
  border-radius: 4px;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--border-glass);
  color: var(--text-dim);
  background: rgba(25, 25, 25, 0.55);
}

:root[data-theme="light"] .chip-grid span,
:root[data-theme="light"] .project-meta li {
  color: #2f3946;
  background: rgba(245, 248, 252, 0.96);
  border-color: rgba(20, 28, 37, 0.2);
}

.timeline {
  display: grid;
  gap: 0.9rem;
}

.item {
  padding: 0.95rem;
  border-left: 3px solid rgba(0, 240, 255, 0.55);
}

.meta {
  margin: 0.2rem 0 0.45rem;
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
}

.clean-list,
.pub-list {
  margin: 0;
  padding-left: 1.2rem;
}

.pub-list li {
  margin-bottom: 0.75rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
}

.text-link {
  color: var(--neon-cyan);
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.86rem;
}

.text-link:hover {
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.45);
}

.projects-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.8rem;
}

.project-card {
  padding: 0.92rem;
}

.project-card-split {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 0.85rem;
  align-items: start;
}

.project-content {
  min-width: 0;
}

.project-media {
  margin-top: 0.1rem;
  border: 1px solid var(--border-glass);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(12, 12, 12, 0.6);
}

.project-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 120px;
  max-height: 168px;
  object-fit: cover;
}

:root[data-theme="light"] .project-media {
  background: rgba(245, 249, 255, 0.95);
  border-color: rgba(20, 28, 37, 0.22);
}

.project-card h3 {
  margin-bottom: 0.35rem;
}

.project-card h3 a {
  text-decoration: none;
  color: var(--text-main);
}

.project-card h3 a:hover {
  color: var(--neon-purple);
}

.project-card p {
  margin-top: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.project-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.project-actions {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.project-action-btn {
  display: inline-block;
  padding: 0.33rem 0.58rem;
  border: 1px solid var(--border-glass);
  border-radius: 4px;
  text-decoration: none;
  color: var(--text-main);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(22, 22, 22, 0.5);
}

.project-action-btn:hover {
  color: var(--neon-cyan);
  border-color: rgba(0, 240, 255, 0.35);
}

:root[data-theme="light"] .project-action-btn {
  background: rgba(248, 251, 255, 0.96);
  color: #26303d;
  border-color: rgba(20, 28, 37, 0.2);
}

:root[data-theme="light"] .project-action-btn:hover {
  border-color: rgba(0, 123, 140, 0.35);
}

.links-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.links-grid a {
  padding: 0.4rem 0.72rem;
  border: 1px solid var(--border-glass);
  border-radius: 4px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-main);
  background: var(--bg-panel);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
}

.links-grid a:hover {
  color: var(--neon-green);
  border-color: rgba(66, 245, 111, 0.35);
}

.affiliation {
  margin-top: 0.95rem;
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.84rem;
}

.site-footer {
  border-top: 1px solid var(--border-glass);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .nav-wrap {
    min-height: auto;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.7rem 0;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 0.7rem;
  }

  .hero-cta {
    flex-wrap: wrap;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .project-media img {
    max-height: 210px;
  }
}