:root {
  --bg: #07131f;
  --bg-soft: #10243a;
  --surface: rgba(10, 26, 43, 0.74);
  --surface-strong: rgba(13, 32, 54, 0.92);
  --text: #e8f2ff;
  --muted: #9cb6cf;
  --accent: #ffb84d;
  --accent-soft: #f06c9b;
  --line: rgba(199, 224, 252, 0.18);
  --success: #5be7c4;
  --radius: 22px;
  --shadow: 0 20px 60px rgba(3, 12, 24, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% -20%, #154a72 0%, var(--bg) 45%, #050d15 100%);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
.brand {
  font-family: "Chakra Petch", "Trebuchet MS", sans-serif;
  letter-spacing: 0.02em;
}

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

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

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

#cosmic-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(26px);
  z-index: -2;
  opacity: 0.5;
}

.bg-glow-a {
  width: 36vw;
  height: 36vw;
  min-width: 260px;
  min-height: 260px;
  background: rgba(240, 108, 155, 0.45);
  left: -10vw;
  top: -7vw;
  animation: drift-a 12s ease-in-out infinite alternate;
}

.bg-glow-b {
  width: 30vw;
  height: 30vw;
  min-width: 220px;
  min-height: 220px;
  background: rgba(91, 231, 196, 0.35);
  right: -8vw;
  bottom: -10vw;
  animation: drift-b 11s ease-in-out infinite alternate;
}

@keyframes drift-a {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(60px, 30px) scale(1.08); }
}

@keyframes drift-b {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-50px, -40px) scale(1.1); }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(12px);
  background: rgba(5, 16, 28, 0.62);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.3rem;
}

.brand span {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.42rem 0.9rem;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.hero {
  padding: 6.5rem 0 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--success);
  margin: 0 0 0.8rem;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 1.6rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.62rem 1.15rem;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.94rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), #ff7f57);
  color: #1c1408;
  box-shadow: 0 10px 24px rgba(255, 184, 77, 0.32);
}

.btn-ghost {
  background: rgba(11, 32, 51, 0.7);
  border-color: var(--line);
  color: var(--text);
}

.quick-meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.quick-meta strong {
  color: var(--text);
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-card img {
  height: 260px;
  object-fit: cover;
}

.hero-card-content {
  padding: 1.1rem 1.2rem 1.3rem;
}

.hero-card h2 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
}

.section {
  padding: 4rem 0;
}

.section-heading h2 {
  margin: 0.1rem 0 1.2rem;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
}

.split-card,
.contact-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.split-card p {
  margin: 0;
  color: var(--muted);
}

.chip-list {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip-list span {
  background: rgba(91, 231, 196, 0.12);
  border: 1px solid rgba(91, 231, 196, 0.4);
  color: #c7fff1;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.84rem;
}

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

.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: rgba(255, 184, 77, 0.55);
}

.timeline-item {
  position: relative;
  margin-left: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1rem 1rem 1.2rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.05rem;
  top: 1rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(255, 184, 77, 0.2);
}

.timeline-item h3 {
  margin: 0;
  font-size: 1.12rem;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.35rem 0 0.65rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.info-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.02rem;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.publication-card {
  display: grid;
  gap: 0.7rem;
}

.publication-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.publication-links a {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(8, 25, 42, 0.78);
  padding: 0.32rem 0.68rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.publication-links span {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
}

.publication-links a:hover {
  border-color: rgba(255, 184, 77, 0.45);
}

.publication-card .publication-authors,
.publication-card .publication-link-text {
  color: var(--text);
}

.section-note {
  margin: 0 0 0.9rem;
  color: var(--muted);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.photo-grid figure {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.photo-grid img {
  height: 185px;
  object-fit: cover;
}

.photo-grid figcaption {
  padding: 0.6rem 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
}

.contact-panel p {
  margin: 0 0 0.65rem;
  color: var(--muted);
}

.contact-panel strong {
  color: var(--text);
}

.social-links {
  display: grid;
  gap: 0.55rem;
}

.social-links a {
  display: block;
  border: 1px solid var(--line);
  background: rgba(8, 25, 42, 0.78);
  border-radius: 12px;
  padding: 0.58rem 0.75rem;
  color: var(--text);
}

.social-links a:hover {
  border-color: rgba(255, 184, 77, 0.45);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0 1.8rem;
  color: var(--muted);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1000px) {
  .hero-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    right: 4vw;
    top: 64px;
    background: rgba(5, 16, 28, 0.96);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.8rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    min-width: 165px;
  }

  .site-nav.open {
    display: flex;
  }

  .hero {
    padding-top: 5.2rem;
  }

  .section {
    padding: 3.2rem 0;
  }
}

@media (max-width: 560px) {
  .three-col,
  .four-col,
  .photo-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .btn {
    width: 100%;
  }
}

.plain-page {
  background: radial-gradient(circle at 20% -20%, #133750 0%, #07131f 44%, #040b13 100%);
}

.blog-wrap,
.resume-wrap {
  padding: 3.4rem 0 4rem;
}

.blog-header h1 {
  margin: 0.1rem 0 0.7rem;
  font-size: clamp(2rem, 4.8vw, 3rem);
}

.back-link {
  margin-bottom: 1.1rem;
}

.blog-controls {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 1rem;
  margin-bottom: 1rem;
}

.control-box {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.control-box label,
.blog-form-card label {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.88rem;
}

.control-box input,
.control-box select,
.blog-form-card input,
.blog-form-card textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(8, 24, 40, 0.9);
  color: var(--text);
  padding: 0.62rem 0.76rem;
  font: inherit;
}

.blog-layout {
  display: grid;
  grid-template-columns: minmax(270px, 360px) 1fr;
  gap: 1rem;
  align-items: start;
}

.blog-form-card,
.blog-posts-card,
.resume-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.blog-form-card h2,
.blog-posts-card h2 {
  margin: 0 0 0.8rem;
  font-size: 1.15rem;
}

#post-form {
  display: grid;
  gap: 0.65rem;
}

.blog-list-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.6rem;
}

.blog-list-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.posts-list {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.85rem;
}

.post-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem;
  background: rgba(9, 27, 45, 0.82);
}

.post-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.7rem;
}

.post-head h3 {
  margin: 0;
  font-size: 1.03rem;
}

.post-delete {
  border: 1px solid rgba(240, 108, 155, 0.45);
  background: rgba(240, 108, 155, 0.12);
  color: #ffc6dc;
  border-radius: 999px;
  font-size: 0.78rem;
  padding: 0.28rem 0.63rem;
  cursor: pointer;
}

.post-meta {
  color: var(--muted);
  margin: 0.42rem 0;
  font-size: 0.83rem;
}

.post-excerpt,
.post-content {
  color: #d6e7f7;
  margin: 0.3rem 0;
}

.post-content {
  color: var(--muted);
  font-size: 0.94rem;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  margin-top: 0.6rem;
}

.post-tags span {
  border-radius: 999px;
  font-size: 0.76rem;
  color: #ffe5b6;
  border: 1px solid rgba(255, 184, 77, 0.4);
  background: rgba(255, 184, 77, 0.16);
  padding: 0.22rem 0.55rem;
}

.empty-state {
  margin: 0;
  color: var(--muted);
}

.resume-card {
  max-width: 860px;
}

.resume-header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3.6vw, 2.4rem);
}

.resume-header p {
  margin: 0.28rem 0;
  color: var(--muted);
}

.resume-contact {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem 1rem;
}

.resume-contact p {
  margin: 0;
  color: var(--muted);
}

.resume-section {
  margin-top: 1.2rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.resume-section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
}

.resume-section p {
  margin: 0;
  color: var(--muted);
}

.resume-section ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .blog-controls {
    grid-template-columns: 1fr;
  }

  .resume-contact {
    grid-template-columns: 1fr;
  }
}

.blog-guide-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.blog-guide-card h2 {
  margin: 0 0 0.8rem;
  font-size: 1.15rem;
}

.blog-guide-card p {
  margin: 0 0 0.75rem;
  color: #d6e7f7;
}

.blog-guide-card p:last-child {
  margin-bottom: 0;
}

.post-title-link {
  color: var(--text);
}

.post-title-link:hover,
.post-open-link:hover {
  color: var(--accent);
}

.post-open-link {
  display: inline-block;
  margin-top: 0.55rem;
  color: #ffd598;
  font-weight: 700;
  font-size: 0.9rem;
}

.blog-post-page h1 {
  margin: 0.25rem 0 0.5rem;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.blog-figure {
  margin: 0.9rem 0 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(5, 16, 28, 0.46);
  overflow: hidden;
}

.blog-figure figcaption {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-weight: 700;
  font-size: 0.88rem;
}

.blog-figure pre {
  margin: 0;
  padding: 0.85rem;
  overflow-x: auto;
  color: var(--muted);
  font: 0.86rem/1.55 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  white-space: pre;
}

.blog-reference-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.blog-reference-list a {
  color: #ffd598;
  font-weight: 700;
}