/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --bg:           #0d1829;
  --bg-raised:    #0f1e38;
  --border:       rgba(255, 255, 255, .07);
  --text:         rgba(255, 255, 255, .85);
  --text-muted:   rgba(255, 255, 255, .45);
  --accent:       #3b82f6;
  --accent-light: #60a5fa;

  --font: 'Montserrat', system-ui, -apple-system, sans-serif;

  --left-w:     30%;
  --section-gap: 7rem;
  --radius:     8px;
  --transition: 200ms ease;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
strong { font-weight: 600; color: var(--text); }

/* ============================================================
   CANVAS BACKGROUND
   ============================================================ */
#bgCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ============================================================
   SITE LAYOUT
   ============================================================ */
.site-layout {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
}

/* ── LEFT PANEL ──────────────────────────────────────────── */
.left-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--left-w);
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 5rem 4rem 4rem;
  overflow-y: auto;
}
.left-inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.left-name {
  font-size: clamp(1.75rem, 2.6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: #fff;
  margin-bottom: .6rem;
}
.left-role {
  font-size: clamp(.8rem, 1vw, .9375rem);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.4;
}
.left-tagline {
  font-size: .875rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.7;
  /*max-width: 280px;*/
  /*margin-bottom: 3rem;*/
}

/* Side nav */
.side-nav ul {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.nav-item {
  display: inline-flex;
  align-items: center;
  gap: .875rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: .5rem 0 .5rem 1rem;
  border-left: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition), padding-left var(--transition);
}
.nav-num {
  font-size: .6rem;
  font-weight: 400;
  letter-spacing: .08em;
  color: var(--text-muted);
  opacity: .6;
  transition: color var(--transition), opacity var(--transition);
  font-variant-numeric: tabular-nums;
}
.nav-item:hover {
  color: var(--text);
  border-left-color: rgba(59, 130, 246, .4);
  padding-left: 1.25rem;
}
.nav-item:hover .nav-num { opacity: 1; }
.nav-item.active {
  color: #fff;
  border-left-color: var(--accent);
  padding-left: 1.25rem;
}
.nav-item.active .nav-num {
  color: var(--accent);
  opacity: 1;
}

/* Availability badge */
.avail-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  /*margin-top: 1.5rem;*/
  margin-bottom: 3rem;
}
.avail-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .45; transform: scale(.85); }
}

/* Social icons */
.left-social {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-bottom: 0.6rem;
  margin-top: .5rem;
}
.social-icon {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  transition: color var(--transition), transform var(--transition);
}
.social-icon svg { width: 20px; height: 20px; }
.social-icon:hover {
  color: var(--accent-light);
  transform: translateY(-2px);
}

/* ── RIGHT PANEL ─────────────────────────────────────────── */
.right-panel {
  margin-left: var(--left-w);
  width: calc(100% - var(--left-w));
  padding: 5rem 4rem 5rem 5rem;
}

/* ============================================================
   SECTIONS (shared)
   ============================================================ */
.rp-section {
  max-width: 900px;
  margin-bottom: var(--section-gap);
}
.rp-eyebrow {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 2rem;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-text p {
  font-size: .9375rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}
.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 1.25rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}
.about-stat {
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}
.stat-n {
  display: block;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -.04em;
  color: #fff;
  line-height: 1;
  margin-bottom: .4rem;
}
.stat-n sup { font-size: .5em; vertical-align: super; }
.stat-l {
  display: block;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.skill-card {
  background: var(--bg);
  padding: 1.75rem;
  transition: background var(--transition);
}
.skill-card:hover { background: var(--bg-raised); }
.skill-icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: .8;
}
.skill-card h3 {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 1rem;
}
.skill-card ul { display: flex; flex-direction: column; gap: .5rem; }
.skill-card li {
  font-size: .825rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp-list { display: flex; flex-direction: column; gap: 2px; }

.exp-card {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
.exp-card:hover {
  background: var(--bg-raised);
  border-color: var(--border);
}
.exp-date {
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.5;
  padding-top: .2rem;
}
.exp-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem .75rem;
  margin-bottom: .6rem;
}
.exp-title-row h3 {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.exp-sep { color: var(--text-muted); }
.exp-location {
  font-size: .75rem;
  color: var(--text-muted);
}
.yfw-sites {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: .75rem;
}
.yfw-sites span {
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, .12);
  padding: .2rem .6rem;
  border-radius: 100px;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.yfw-sites span:hover {
  color: var(--accent-light);
  border-color: rgba(59, 130, 246, .4);
  background: rgba(59, 130, 246, .08);
}

.exp-summary {
  font-size: .825rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.exp-bullets {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 1.25rem;
}
.exp-bullets li {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.7;
  padding-left: .875rem;
  position: relative;
}
.exp-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: .7rem;
}
.exp-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.exp-tags span {
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--accent-light);
  background: rgba(59, 130, 246, .12);
  padding: .25rem .65rem;
  border-radius: 100px;
}

.education-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: .5rem;
}
.education-card svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent); margin-top: .1rem; }
.education-card div { display: flex; flex-direction: column; gap: .2rem; }
.education-card strong { font-size: .825rem; font-weight: 700; color: var(--text); }
.education-card span { font-size: .8rem; color: var(--text-muted); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-list { display: flex; flex-direction: column; gap: 2px; }

.project-card {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  position: relative;
  cursor: pointer;
}
.project-card:hover {
  background: var(--bg-raised);
  border-color: var(--border);
}
.project-thumb {
  width: 250px;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.project-thumb img { width: 100%; height: 100%; object-fit: cover; }
.placeholder-thumb {
  background: var(--bg-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.placeholder-thumb span {
  font-size: .55rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.18);
}
.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .5rem;
}
.project-tag {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-light);
  background: rgba(59, 130, 246, .12);
  padding: .2rem .6rem;
  border-radius: 100px;
}
.project-ext {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.project-ext svg { display: none; }
.project-info h3 {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .5rem;
  line-height: 1.3;
}
.project-info p {
  font-size: .8rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ============================================================
   RIGHT PANEL FOOTER
   ============================================================ */
.right-footer {
  max-width: 680px;
  padding-top: 3rem;
  padding-bottom: 4rem;
  border-top: 1px solid var(--border);
  font-size: .8rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.right-footer a {
  color: var(--accent-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.right-footer a:hover { color: #fff; }

/* ============================================================
   MOBILE HEADER
   ============================================================ */
.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: rgba(13, 24, 41, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: 60px;
  align-items: center;
  justify-content: space-between;
}
.mobile-logo {
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: #fff;
}
.mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem;
  z-index: 199;
}
.mobile-nav.open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; }
.mobile-nav a {
  display: block;
  padding: .875rem 0;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: #fff; }
.mobile-nav li:last-child a { border-bottom: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --left-w: 44%; }
  .left-panel { padding: 4rem 3rem 3rem; }
  .right-panel { padding: 5rem 3rem 5rem 4rem; }
}

@media (max-width: 768px) {
  .left-panel { display: none; }
  .right-panel { margin-left: 0; width: 100%; padding: 5rem 1.5rem 3rem; }
  .mobile-header { display: flex; }

  .exp-card { grid-template-columns: 1fr; gap: .75rem; }
  .project-card { grid-template-columns: 1fr; }
  .project-thumb { width: 100%; aspect-ratio: 16/9; }
  .skills-grid { grid-template-columns: 1fr; }
  .about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
}

@media (max-width: 480px) {
  .about-stats { gap: .75rem; }
}

/* ============================================================
   CASE STUDY (nexus.html)
   ============================================================ */
.case-layout {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}
.case-back {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4rem;
  transition: color var(--transition);
}
.case-back:hover { color: var(--accent-light); }
.case-back svg { width: 14px; height: 14px; }

.case-hero { margin-bottom: 4rem; }
.case-hero .project-tag { display: inline-block; margin-bottom: 1.25rem; }
.case-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -.04em;
  color: #fff;
  line-height: 1;
  margin-bottom: 1.25rem;
}
.case-subtitle {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 640px;
}

.case-section {
  margin-bottom: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--border);
}
.case-section:last-child { border-bottom: none; }
.case-section h2 {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 1.25rem;
}
.case-section p {
  font-size: .9375rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 1rem;
}
.case-section p:last-child { margin-bottom: 0; }

.case-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.5rem;
}
.case-platforms span {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: .35rem .75rem;
}

.case-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 1.5rem;
}
.case-stack-item {
  background: var(--bg);
  padding: 1.25rem 1.5rem;
}
.case-stack-item strong {
  display: block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: .4rem;
}
.case-stack-item span {
  font-size: .825rem;
  color: var(--text-muted);
}

.case-img {
  width: 100%;
  border: 1px solid var(--border);
  display: block;
  margin-top: 2rem;
}
.case-img-zoomable {
  cursor: zoom-in;
  transition: opacity var(--transition);
}
.case-img-zoomable:hover { opacity: .85; }

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, .88);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox-img {
  max-width: 100%;
  max-height: 90vh;
  border: 1px solid var(--border);
  display: block;
}
.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-size: 1.75rem;
  line-height: 1;
  color: rgba(255,255,255,.6);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
}
.lightbox-close:hover { color: #fff; }

@media (max-width: 768px) {
  .case-img-zoomable { cursor: default; }
}
.case-img-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.case-img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.18);
}

@media (max-width: 600px) {
  .case-layout { padding: 2rem 1.5rem 4rem; }
  .case-stack { grid-template-columns: 1fr; }
  .case-img-pair { grid-template-columns: 1fr; }
}