:root {
  --bg: #09090d;
  --bg-soft: #11121a;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --text: #f5f7ff;
  --text-soft: #b7bfd6;
  --border: rgba(255, 255, 255, 0.12);
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --accent-3: #f472b6;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --radius-sm: 16px;
  --container: 1180px;
  --header-h: 86px;
}

body.light {
  --bg: #f5f7fb;
  --bg-soft: #ffffff;
  --panel: rgba(255, 255, 255, 0.7);
  --panel-strong: rgba(255, 255, 255, 0.95);
  --text: #11131a;
  --text-soft: #4d566d;
  --border: rgba(17, 19, 26, 0.08);
  --shadow: 0 10px 30px rgba(27, 32, 54, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 6rem 0;
}

.bg-gradient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.18), transparent 25%),
    radial-gradient(circle at 80% 15%, rgba(34, 211, 238, 0.14), transparent 25%),
    radial-gradient(circle at 60% 70%, rgba(244, 114, 182, 0.12), transparent 25%);
  pointer-events: none;
  z-index: -3;
}

.noise {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02), rgba(255,255,255,0.02));
  opacity: 0.06;
  pointer-events: none;
  z-index: -2;
}

.cursor-glow {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15), transparent 60%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: -1;
  filter: blur(16px);
  transition: opacity 0.2s ease;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  backdrop-filter: blur(18px);
  background: rgba(8, 9, 13, 0.45);
  border-bottom: 1px solid transparent;
  transition: 0.3s ease;
}

body.light .site-header {
  background: rgba(245, 247, 251, 0.7);
}

.site-header.scrolled {
  border-color: var(--border);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.logo-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: var(--shadow);
}

.logo-text {
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav a {
  position: relative;
  color: var(--text-soft);
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
}

.nav a:hover::after,
.nav a.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.theme-toggle,
.menu-toggle {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
}

.theme-toggle {
  width: 58px;
  height: 34px;
  border-radius: 999px;
  position: relative;
  cursor: pointer;
}

.theme-toggle-dot {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: transform 0.28s ease;
}

body.light .theme-toggle-dot {
  transform: translateX(24px);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 5px auto;
  transition: 0.3s ease;
}

.hero {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding-top: 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin: 0 0 1.25rem;
  max-width: 10ch;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text2 {
  background: linear-gradient(135deg, var(--accent-3), red, orange);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text,
.section-heading p,
.info-card p,
.project-content p,
.timeline-content p,
.edu-card p,
.contact-copy p {
  color: var(--text-soft);
}

.hero-text {
  max-width: 62ch;
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  padding: 0.95rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  border: none;
}

.btn-secondary {
  background: var(--panel);
  color:var(--text)
}

.hero-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stat {
  min-width: 140px;
  padding: 1rem;
}

.stat-value {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
}

.stat-label {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}

.hero-panel {
  width: min(100%, 520px);
  position: relative;
  overflow: hidden;
  padding: 1rem;
}

.panel-top {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.panel-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
}

.code-window {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  overflow: auto;
}

body.light .code-window {
  background: rgba(17, 19, 26, 0.04);
}

.code-line {
  white-space: nowrap;
  margin: 0.35rem 0;
  color: var(--text-soft);
}

.code-key {
  color: var(--accent-2);
}

.code-string {
  color: #a78bfa;
}

.code-string2 {
  color: #20b928;
}

.code-string3 {
  color: #eebf67;
}

.code-string4 {
  color: #4a70da;
}

.panel-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.panel-badges span,
.skills-list span,
.project-meta span,
.contact-link {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  padding: 0.6rem 0.9rem;
}

body.light .panel-badges span,
body.light .skills-list span,
body.light .project-meta span,
body.light .contact-link {
  background: rgba(17, 19, 26, 0.03);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0.8;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 180px;
  height: 180px;
  background: rgba(139, 92, 246, 0.35);
  top: 8%;
  left: 5%;
}

.orb-2 {
  width: 160px;
  height: 160px;
  background: rgba(34, 211, 238, 0.28);
  bottom: 10%;
  right: 0;
  animation-delay: -2s;
}

.section-heading {
  max-width: 750px;
  margin-bottom: 2rem;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
  margin: 0 0 0.8rem;
}

.glass {
  background: var(--panel);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.about-grid,
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.info-card,
.edu-card {
  padding: 1.4rem;
}

.skills-block {
  margin-top: 1.4rem;
  padding: 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.project-card {
  overflow: hidden;
}

.project-media {
  height: 220px;
  position: relative;
}

.gradient-card {
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15), transparent 20%),
    linear-gradient(135deg, rgba(139,92,246,0.85), rgba(34,211,238,0.75));
}

.gradient-card.alt {
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15), transparent 20%),
    linear-gradient(135deg, rgba(244,114,182,0.85), rgba(139,92,246,0.7));
}

.gradient-card.third {
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15), transparent 20%),
    linear-gradient(135deg, rgba(34,211,238,0.8), rgba(16,185,129,0.7));
}

.project-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.22);
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
}

.project-content {
  padding: 1.25rem;
}

.project-content h3 {
  margin-top: 0;
}

.project-meta {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.2rem;
}

.text-link {
  color: var(--accent-2);
  font-weight: 600;
  position: absolute;
  bottom: 0.9rem;
  right: 1.2rem;
}

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

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(var(--accent), transparent);
}

.timeline-item {
  position: relative;
  padding: 1.2rem 1.2rem 1.2rem 3.2rem;
}

.timeline-dot {
  position: absolute;
  left: 10px;
  top: 1.4rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(139, 92, 246, 0.12);
}

.timeline-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.edu-sub {
  color: var(--accent-2);
  font-weight: 600;
}

.contact-panel {
  padding: 1.6rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: flex-end;
}

.contact-link {
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.contact-link:hover {
  transform: translateY(-3px);
  border-color: rgba(139, 92, 246, 0.4);
}

.site-footer {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--text-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-18px);
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .contact-panel,
  .about-grid,
  .projects-grid,
  .education-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }

  .contact-links {
    justify-content: flex-start;
  }

  .hero-visual {
    min-height: 420px;
  }
}

@media (max-width: 760px) {
  .nav {
    position: absolute;
    top: calc(var(--header-h) + 0.5rem);
    right: 1rem;
    width: min(280px, calc(100vw - 2rem));
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    background: var(--panel-strong);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: 0.25s ease;
  }

  .nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .menu-toggle {
    display: inline-block;
  }

  .section {
    padding: 4.5rem 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-stats {
    flex-direction: column;
  }
}

/* ==========================================
   PROJECT PAGE
========================================== */

.project-hero-section {
  padding-top: 3rem;
}

.project-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-soft);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.project-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.5rem;
  align-items: center;
}

.project-hero-copy h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin: 0 0 1rem;
}

.project-lead {
  color: var(--text-soft);
  max-width: 65ch;
  font-size: 1.05rem;
}

.project-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.project-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.summary-card {
  padding: 1rem;
}

.summary-label {
  display: block;
  color: var(--text-soft);
  font-size: 0.85rem;
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.project-showcase {
  padding: 1rem;
}

.project-showcase-fill {
  height: 420px;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.project-showcase-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  color: white;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.22);
  font-weight: 600;
}

.content-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.project-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  padding: 1.2rem;
}

.sidebar-block + .sidebar-block {
  margin-top: 1.5rem;
}

.project-facts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.95rem;
}

.project-facts li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.project-facts span {
  color: var(--text-soft);
}

.project-facts strong {
  text-align: right;
}

.sidebar-links {
  display: grid;
  gap: 0.7rem;
}

.sidebar-links a {
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

body.light .sidebar-links a {
  background: rgba(17, 19, 26, 0.03);
}

.sidebar-links a:hover {
  transform: translateY(-2px);
  border-color: rgba(139, 92, 246, 0.4);
}

.project-main {
  display: grid;
  gap: 1.25rem;
}

.project-section-card {
  padding: 1.5rem;
}

.project-section-card h2 {
  margin-top: 0;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.project-tags span {
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}

body.light .project-tags span {
  background: rgba(17, 19, 26, 0.03);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.gallery-item {
  width: 100%;
  height: auto;
  min-height: 0;
  border-radius: var(--radius-sm);
}

.video-embed {
  margin-top: 1rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16 / 9;
  background: rgba(0, 0, 0, 0.2);
}

.video-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.code-block {
  margin: 1rem 0 0;
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  overflow-x: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.92rem;
  color: var(--text-soft);
  max-width: 100%;
  white-space: pre;
}

body.light .code-block {
  background: rgba(17, 19, 26, 0.04);
}

.reference-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.reference-list li + li {
  margin-top: 0.6rem;
}

.reference-list a {
  color: var(--accent-2);
}

.project-page-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.page-nav-card {
  padding: 1rem;
  display: block;
}

@media (max-width: 1024px) {
  .project-hero-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .project-sidebar {
    position: static;
  }
}

@media (max-width: 760px) {
  .project-summary-grid,
  .project-gallery,
  .project-page-nav {
    grid-template-columns: 1fr;
  }

  .project-showcase-fill {
    height: 300px;
  }

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

/* ==========================================
   ACCESSIBILITY / UTILITY
========================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================
   PROJECTS OVERVIEW PAGE
========================================== */

.projects-hero {
  padding-top: 3rem;
}

.projects-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: start;
}

.projects-page-title {
  font-size: clamp(2.7rem, 6vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin: 0 0 1rem;
  max-width: 12ch;
}

.projects-page-lead {
  color: var(--text-soft);
  max-width: 65ch;
  font-size: 1.05rem;
}

.featured-project-panel {
  padding: 1.4rem;
}

.featured-project-panel h2 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  letter-spacing: -0.03em;
}

.projects-browser-section {
  padding-top: 2rem;
}

.projects-controls {
  padding: 1.2rem;
  margin-bottom: 1.5rem;
}

.projects-controls-top {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 1rem;
  align-items: end;
}

.search-wrap,
.select-wrap {
  display: grid;
  gap: 0.45rem;
}

.select-wrap span {
  font-size: 0.85rem;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.projects-search,
.select-wrap select {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 16px;
  padding: 0.95rem 1rem;
  outline: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

body.light .projects-search,
body.light .select-wrap select {
  background: rgba(17,19,26,0.03);
}

.projects-search:focus,
.select-wrap select:focus {
  border-color: rgba(139, 92, 246, 0.4);
}

.projects-selects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.projects-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.filter-chip,
.clear-filters-btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

body.light .filter-chip,
body.light .clear-filters-btn {
  background: rgba(17,19,26,0.03);
}

.filter-chip:hover,
.clear-filters-btn:hover {
  transform: translateY(-2px);
}

.filter-chip.active {
  border-color: rgba(139, 92, 246, 0.45);
  background: rgba(139, 92, 246, 0.14);
}

.projects-toolbar-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.projects-toolbar-meta p {
  margin: 0;
  color: var(--text-soft);
}

.projects-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.projects-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  padding: 1.2rem;
}

.collection-link.active {
  border-color: rgba(139, 92, 246, 0.45);
  color: var(--text);
}

.sidebar-note {
  color: var(--text-soft);
  margin: 0;
}

.projects-main-area {
  min-width: 0;
}

.projects-grid-page {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.project-browser-card {
  overflow: hidden;
}

.project-browser-media {
  height: 220px;
  position: relative;
}

.project-browser-content {
  padding: 1.2rem;
  padding-bottom: 2rem;
}

.project-browser-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.project-browser-top h3 {
  margin: 0;
}

.project-year {
  color: var(--text-soft);
  font-size: 0.95rem;
  white-space: nowrap;
}

.empty-projects-state {
  margin-top: 1rem;
  padding: 1.5rem;
  text-align: center;
}

.empty-projects-state h3 {
  margin-top: 0;
}

.project-browser-card[hidden] {
  display: none !important;
}

@media (max-width: 1024px) {
  .projects-hero-grid,
  .projects-layout,
  .projects-controls-top {
    grid-template-columns: 1fr;
  }

  .projects-sidebar {
    position: static;
  }
}

@media (max-width: 760px) {
  .projects-grid-page,
  .projects-selects {
    grid-template-columns: 1fr;
  }

  .projects-page-title {
    max-width: none;
  }
}

/* ==========================================
   CURSOR SYSTEM
========================================== */

.cursor-system {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2000;
}

.cursor-dot,
.cursor-ring,
.cursor-glow,
.cursor-trails {
  position: fixed;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.cursor-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
  box-shadow:
    0 0 12px rgba(255,255,255,0.7),
    0 0 30px rgba(139, 92, 246, 0.45);
  z-index: 4;
}

.cursor-ring {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.45);

  background: rgba(255,255,255,0.03);

  backdrop-filter:
    brightness(1.25)
    contrast(1.15)
    saturate(1.1);

  -webkit-backdrop-filter:
    brightness(1.25)
    contrast(1.15)
    saturate(1.1);

  transition:
    width 0.2s ease,
    height 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;

  overflow: hidden;
}

.cursor-ring::after {
  content: "";

  position: absolute;
  inset: -25%;

  background:
    radial-gradient(
      circle at center,
      rgba(255,255,255,0.15),
      transparent 70%
    );

  opacity: 0.3;

  transform: scale(0.7);
  transition: transform 0.2s ease;
}

.cursor-ring::before {
  content: "";

  position: absolute;
  width: 35%;
  height: 35%;

  top: 18%;
  left: 22%;

  border-radius: 50%;

  background: radial-gradient(
    circle,
    rgba(255,255,255,0.55),
    transparent 70%
  );

  opacity: 0.35;
  pointer-events: none;
}

.cursor-glow {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  z-index: 1;
  filter: blur(30px);
  opacity: 0.95;
  background:
    radial-gradient(circle, rgba(139, 92, 246, 0.16) 0%, rgba(34, 211, 238, 0.08) 34%, rgba(244, 114, 182, 0.05) 55%, transparent 72%);
}

.cursor-trails {
  inset: 0;
  transform: none;
  z-index: 2;
}

.cursor-trail-particle {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,255,255,0.9), rgba(139,92,246,0.5), transparent 72%);
  filter: blur(1px);
  opacity: 0.6;
  animation: cursorParticleFade 700ms linear forwards;
}

@keyframes cursorParticleFade {
  0% {
    opacity: 0.75;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.2);
  }
}

body.cursor-hover .cursor-ring {
  width: 68px;
  height: 68px;

  border-color: rgba(139,92,246,0.65);

  backdrop-filter:
    brightness(1.35)
    contrast(1.2)
    saturate(1.15);
}

body.cursor-hover .cursor-ring::after {
  transform: scale(1);
}

body.cursor-hover .cursor-dot {
  box-shadow:
    0 0 16px rgba(255,255,255,0.8),
    0 0 36px rgba(34,211,238,0.45);
}

/* ==========================================
   HOMEPAGE PROJECTS PREVIEW
========================================== */

.projects-preview-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.5rem;
  align-items: start;
}

.projects-preview-main {
  padding: 1.4rem;
}

.projects-preview-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

.projects-preview-top h3 {
  margin: 0.2rem 0 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
}

.projects-preview-toolbar {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.preview-search,
.preview-sort {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text-soft);
  border-radius: 16px;
  padding: 0.95rem 1rem;
}

body.light .preview-search,
body.light .preview-sort {
  background: rgba(17, 19, 26, 0.03);
}

.preview-search span,
.preview-sort span {
  color: var(--text);
}

.projects-preview-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.projects-preview-chips span {
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}

body.light .projects-preview-chips span {
  background: rgba(17, 19, 26, 0.03);
}

.projects-preview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.preview-card {
  overflow: hidden;
}

.preview-card-media {
  height: 70px;
  position: relative;
}

.preview-card-content {
  padding: 1.1rem;
}

.preview-card-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.preview-card-top h4 {
  margin: 0;
  font-size: 1.15rem;
}

.preview-card-top span {
  color: var(--text-soft);
  white-space: nowrap;
}

.projects-preview-side {
  display: grid;
  gap: 1rem;
}

.archive-feature-card,
.archive-stats-card,
.archive-link-card {
  padding: 1.3rem;
}

.archive-feature-card h3 {
  margin-top: 0;
}

.archive-stats-card {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.archive-stat {
  display: grid;
  gap: 0.25rem;
}

.archive-stat strong {
  font-size: 1.2rem;
}

.archive-stat span {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.archive-link-card {
  display: block;
}

@media (max-width: 1024px) {
  .projects-preview-layout,
  .projects-preview-toolbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .cursor-system {
    display: none;
  }

  .archive-stats-card {
    grid-template-columns: 1fr 1fr;
  }
}

.project-main,
.project-sidebar,
.projects-main-area,
.projects-sidebar {
  min-width: 0;
}

.container * {
  min-width: 0;
}

/* ==============================
PDF VIEWER
============================== */

.pdf-viewer {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.pdf-frame {
  width: 100%;
  height: 450px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.pdf-controls {
  display: flex;
  gap: 1rem;
}

/* ==============================
DOWNLOAD CARDS
============================== */

.downloads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.download-card {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.download-card:hover {
  transform: translateY(-3px);
  border-color: rgba(139,92,246,0.4);
}

.download-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 700;
}

/* ==============================
CITATIONS
============================== */

.citation-block {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.citation-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  background: rgba(255,255,255,0.03);
}

.citation-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: space-between;
  flex-wrap: wrap;
}

.citation-header h4 {
  margin: 0;
}

.copy-btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.05);
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-soft);
  margin-top: 0.6rem;

  margin-left: auto;
  display: block;
}

.copy-btn:hover {
  border-color: var(--accent);
}

.citation-content {
  margin-top: 0.6rem;
  display: grid;
  gap: 0.5rem;
  color: var(--text-soft);
}

/* ==============================
UNITY WEBGL DEMO
============================== */

.webgl-container {
  margin-top: 1rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: black;
}

/* maintains 16:9 ratio */
.webgl-aspect {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

/* fills the aspect container */
.webgl-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.webgl-controls {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
}