/* ==========================================================================
   SECTIONS — fully responsive at every breakpoint
   ========================================================================== */

/* ── NAVBAR ── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height); z-index: 100;
  display: flex; align-items: center;
  transition: background .3s, box-shadow .3s;
}
#navbar.scrolled {
  background: rgba(8,8,16,.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 1px 0 var(--border);
}
[data-theme="light"] #navbar.scrolled {
  background: rgba(245,246,255,.88);
}
.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between; width: 100%;
}
.nav-logo {
  font-family: var(--font-mono); font-size: 1rem; font-weight: 700;
  color: var(--text); text-decoration: none;
  display: flex; align-items: center; gap: .1em; letter-spacing: -.02em;
}
.nav-logo .bracket { color: var(--text-muted); }
.nav-logo .slash   { color: var(--accent); }
.nav-logo img {
  display: block;
  width: clamp(5.5rem, 10vw, 8rem);
  max-height: 2.35rem;
  object-fit: contain;
}

.nav-links {
  display: flex; align-items: center; gap: .25rem;
}
.nav-links a {
  padding: .45rem .9rem; font-size: .875rem; font-weight: 500;
  color: var(--text-muted); border-radius: var(--radius-sm);
  transition: color var(--duration-fast), background var(--duration-fast);
  text-decoration: none; min-height: 44px; display: inline-flex; align-items: center;
  letter-spacing: .01em;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text); background: var(--accent-subtle);
}
.nav-actions { display: flex; align-items: center; gap: .5rem; }

.theme-toggle {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: var(--radius-md); border: 1px solid var(--border);
  background: transparent; color: var(--text-muted);
  transition: all var(--duration-fast);
}
.theme-toggle:hover { color: var(--text); border-color: var(--border-strong); }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }




#mobile-menu {
  position: fixed; inset: 0; background: var(--bg);
  z-index: 99; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2rem;
  padding: calc(var(--nav-height) + 1rem) 1rem 6rem;
  overflow-y: auto;
  transform: translateY(-100%); visibility: hidden;
  transition: transform .4s var(--ease), visibility 0s linear .4s;
  pointer-events: none;
}

#mobile-menu.open {
  transform: translateY(0); visibility: visible;
  transition-delay: 0s; pointer-events: all;
}



/* ── HERO ── */
#hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: calc(var(--nav-height) + 1rem);
  padding-bottom: var(--space-2xl);
  position: relative; overflow: hidden;
}
.hero-glow {
  position: absolute;
  width: clamp(300px, 60vw, 800px); height: clamp(300px, 60vw, 800px);
  background: radial-gradient(circle, rgba(99,102,241,.14) 0%, transparent 70%);
  border-radius: 50%; top: -15%; right: -5%;
  pointer-events: none;
  animation: glow-drift 18s ease-in-out infinite alternate;
}
@keyframes glow-drift {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(-4%,6%) scale(1.08); }
  100% { transform: translate(3%,-4%) scale(.96); }
}

.hero-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: var(--space-2xl) 0;
}
.hero-content { display: flex; flex-direction: column; }

.hero-status-pill {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .4rem .95rem;
  background: var(--bg-card); border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  font-family: var(--font-mono); font-size: .78rem; color: var(--text-muted);
  width: fit-content; margin-bottom: var(--space-lg);
}
.hero-greeting {
  font-family: var(--font-mono); font-size: .9rem; color: var(--accent);
  margin-bottom: var(--space-sm); display: flex; align-items: center; gap: .75rem;
}
.hero-greeting::before {
  content: ''; display: block;
  width: 28px; height: 1.5px; background: var(--accent);
}
.hero-name {
  font-size: clamp(2.5rem, 7vw, 5.2rem);
  font-weight: 800; letter-spacing: -.04em; line-height: 1.05;
  margin-bottom: var(--space-sm); color: var(--text);
}
.hero-role {
  font-size: clamp(1rem, 2.2vw, 1.35rem); font-weight: 500;
  color: var(--text-muted); margin-bottom: var(--space-lg); min-height: 1.6em;
}
.hero-role .rotating-word { color: var(--accent); font-weight: 700; }
.hero-desc {
  font-size: clamp(.9rem, 1.4vw, 1.05rem); color: var(--text-muted);
  max-width: 54ch; line-height: 1.7; margin-bottom: var(--space-xl);
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: var(--space-xl);
}
.hero-social {
  display: flex; align-items: center; gap: .75rem; margin-bottom: var(--space-lg);
}
.social-link {
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  color: var(--text-muted); background: var(--bg-card);
  transition: all var(--duration-fast); text-decoration: none;
}
.social-link:hover {
  color: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow); transform: translateY(-2px);
  text-decoration: none;
}
.hero-status {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .45rem 1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: .8rem; color: var(--text-muted); width: fit-content;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 8px var(--green);
  animation: pulse-status 2.5s ease-in-out infinite;
}
@keyframes pulse-status {
  0%,100% { box-shadow: 0 0 4px var(--green); }
  50%     { box-shadow: 0 0 12px var(--green), 0 0 20px var(--green-glow); }
}

/* ── Hero 3D card ── */
.hero-visual-wrap {
  position: relative; display: flex;
  justify-content: center; align-items: center;
  perspective: 1200px;
}
.hero-visual-ambient {
  position: absolute;
  width: min(380px,80vw); height: min(380px,80vw);
  background: radial-gradient(circle, rgba(99,102,241,.22) 0%, rgba(129,140,248,.08) 50%, transparent 70%);
  filter: blur(40px); border-radius: 50%;
  pointer-events: none; z-index: 0;
  animation: pulse-ambient 6s ease-in-out infinite alternate;
}
@keyframes pulse-ambient {
  0%   { transform: scale(.95); opacity: .6; }
  100% { transform: scale(1.1); opacity: .9; }
}
.hero-3d-card {
  position: relative; z-index: 1;
  width: 100%; max-width: 480px;
  background: var(--bg-card); border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 50px rgba(0,0,0,.4), 0 0 30px rgba(99,102,241,.12);
  overflow: hidden;
  transition: transform .18s ease-out, box-shadow .3s ease;
  transform-style: preserve-3d;
}
.hero-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.25rem;
  background: var(--bg-surface); border-bottom: 1px solid var(--border);
}
.hero-window-dots { display: flex; gap: 6px; }
.hero-window-dots span { width: 10px; height: 10px; border-radius: 50%; }
.hero-dot-red   { background: #ef4444; }
.hero-dot-amber { background: #f59e0b; }
.hero-dot-green { background: #22c55e; }
.hero-card-tabs { display: flex; gap: .35rem; }
.hero-tab-btn {
  background: transparent; border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: .25rem .65rem;
  font-family: var(--font-mono); font-size: .72rem;
  color: var(--text-muted); cursor: pointer; transition: all .2s;
}
.hero-tab-btn:hover  { color: var(--text); background: var(--accent-subtle); }
.hero-tab-btn.active {
  color: var(--accent-light); background: var(--accent-subtle);
  border-color: rgba(99,102,241,.25); font-weight: 600;
}
.hero-tab-pane { display: none; padding: 1.25rem; }
.hero-tab-pane.active { display: block; }
.hero-code-block {
  font-family: var(--font-mono); font-size: .8rem; line-height: 1.7;
  color: var(--text); overflow-x: auto;
}
.hero-code-block .token-keyword { color: #818cf8; font-weight: 600; }
.hero-code-block .token-var     { color: #38bdf8; }
.hero-code-block .token-prop    { color: #f472b6; }
.hero-code-block .token-str     { color: #34d399; }
.hero-code-block .token-num     { color: #fbbf24; }
.hero-code-block .token-bool    { color: #a78bfa; }
.hero-code-block .token-comment { color: var(--text-faint); font-style: italic; }
.hero-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: .65rem 1.25rem; border-top: 1px solid var(--border);
  background: var(--bg-surface);
  font-family: var(--font-mono); font-size: .72rem; color: var(--text-faint);
}
.hero-status-indicator { display: flex; align-items: center; gap: .5rem; color: var(--green); }
.hero-live-pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 1.8s infinite;
}

/* Floating badges — hidden on small screens, inside card bounds */
.hero-float-badge {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: .5rem;
  padding: .45rem .85rem;
  background: rgba(19,19,31,.85); backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  box-shadow: 0 10px 25px rgba(0,0,0,.35);
  font-family: var(--font-mono); font-size: .75rem; font-weight: 600;
  color: var(--text); white-space: nowrap; pointer-events: none;
}
[data-theme="light"] .hero-float-badge {
  background: rgba(255,255,255,.9); box-shadow: 0 8px 20px rgba(0,0,0,.08);
}
.hero-float-badge-1 { top: -15px; right: -15px; border-color: rgba(97,218,251,.4); animation: float-orbit 5s ease-in-out infinite alternate; }
.hero-float-badge-2 { bottom: 25px; left: -20px; border-color: rgba(247,223,30,.4); animation: float-orbit 6s ease-in-out 1s infinite alternate; }
.hero-float-badge-3 { bottom: -15px; right: 25px; border-color: rgba(34,197,94,.4); animation: float-orbit 4.5s ease-in-out .5s infinite alternate; }
@keyframes float-orbit {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

/* ── MARQUEE ── */
#marquee-section {
  padding: var(--space-xl) 0; overflow: hidden;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.marquee-track {
  display: flex; width: max-content;
  animation: marquee-scroll 30s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item {
  display: flex; align-items: center; gap: .5rem;
  padding: 0 2rem;
  font-family: var(--font-mono); font-size: .8rem; font-weight: 500;
  color: var(--text-faint); white-space: nowrap; transition: color .2s;
}
.marquee-item:hover { color: var(--accent); }
.marquee-item::after { content: '/'; margin-left: 2rem; color: var(--border-strong); }
@keyframes marquee-scroll {
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ── SECTIONS shared ── */
.section { padding: var(--space-section) 0; }

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr min(360px, 38%);
  gap: var(--space-2xl); align-items: start;
}
.about-bio p { margin-bottom: var(--space-lg); }
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md); margin-top: var(--space-xl);
}
.stat-card {
  padding: var(--space-lg);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); text-align: center;
}
.stat-card .stat-num {
  font-family: var(--font-head); font-size: 1.75rem; font-weight: 800;
  color: var(--accent); display: block;
}
.stat-card .stat-label { font-size: .78rem; color: var(--text-muted); margin-top: .25rem; }

.profile-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
  position: sticky; top: calc(var(--nav-height) + 1.5rem);
}
.profile-img-wrap {
  width: 100%; aspect-ratio: 4/5; overflow: hidden;
  background: var(--bg-elevated); position: relative;
}
.profile-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.profile-img-wrap:hover img { transform: scale(1.03); }
.profile-info { padding: var(--space-lg); border-top: 1px solid var(--border); }
.profile-info p {
  font-size: .82rem; display: flex; align-items: center; gap: .5rem;
  margin-bottom: .4rem; color: var(--text-muted); max-width: none;
}
.about-location {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  margin-top: 1.5rem; font-size: .82rem; color: var(--text-muted);
}
.about-location span { display: flex; align-items: center; gap: .4rem; }

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: var(--space-xl); margin-top: var(--space-xl);
}
.skill-group {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: var(--space-xl);
  transition: border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.skill-group:hover {
  border-color: var(--border-strong); box-shadow: var(--shadow-md); transform: translateY(-2px);
}
.skill-group-header {
  margin-bottom: var(--space-lg); padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}
.skill-group-tag {
  font-family: var(--font-mono); font-size: .72rem; color: var(--accent);
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: .3rem; display: block;
}
.skill-group h4 { font-size: 1.2rem; margin-bottom: .35rem; }
.skill-group-desc { font-size: .825rem; color: var(--text-muted); line-height: 1.5; }
.skills-tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr));
  gap: .75rem;
}
.skill-tile {
  display: flex; align-items: center; gap: .65rem;
  padding: .65rem .85rem;
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease);
  position: relative; overflow: hidden;
}
.skill-tile::before {
  content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
  background: var(--skill-brand, var(--accent)); opacity: 0; transition: opacity .2s;
}
.skill-tile:hover {
  background: var(--bg-elevated);
  border-color: var(--skill-brand, var(--accent));
  transform: translateY(-2px);
}
.skill-tile:hover::before { opacity: 1; }
.skill-tile-icon {
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid var(--border);
}
.skill-tile-icon svg { width: 18px; height: 18px; }
.skill-tile-body { display: flex; flex-direction: column; overflow: hidden; }
.skill-tile-name { font-size: .85rem; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.skill-tile-level { font-size: .68rem; color: var(--text-muted); font-family: var(--font-mono); }

/* ── PROJECTS ── */
.projects-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: var(--space-md); margin-bottom: var(--space-xl);
}
.projects-filters { margin-bottom: var(--space-xl); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: var(--space-xl);
}
.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color var(--duration), box-shadow var(--duration), transform var(--duration);
}
.project-card:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(0,0,0,.4), 0 0 30px var(--accent-glow);
  transform: translateY(-3px);
}
.project-cover-wrap {
  width: 100%; aspect-ratio: 16/10; overflow: hidden;
  position: relative; background: var(--bg-elevated);
}
.project-cover { width: 100%; height: 100%; position: relative; }
.project-cover .project-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.project-card:hover .project-cover .project-img { transform: scale(1.05); }
.project-cover-placeholder {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 700;
  color: rgba(255,255,255,.6); padding: 1.5rem; text-align: center;
}
.project-body {
  padding: var(--space-xl); flex: 1;
  display: flex; flex-direction: column; gap: .85rem;
}
.project-meta {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem;
}
.project-year { font-family: var(--font-mono); font-size: .75rem; color: var(--text-faint); }
.project-badges { display: flex; align-items: center; gap: .4rem; }
.project-title { font-size: 1.2rem; font-weight: 700; color: var(--text); }
.project-title-link { color: var(--text); text-decoration: none; transition: color .2s; }
.project-title-link:hover { color: var(--accent); text-decoration: none; }
.project-summary { font-size: .875rem; color: var(--text-muted); max-width: none; line-height: 1.6; }
.project-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.project-actions {
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem; flex-wrap: wrap; margin-top: auto;
  padding-top: var(--space-md); border-top: 1px solid var(--border);
}
.project-actions-left { display: flex; gap: .5rem; }
.projects-empty {
  grid-column: 1 / -1; text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--bg-card); border: 1px dashed var(--border-strong);
  border-radius: var(--radius-xl);
}

/* ── JOURNEY ── */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: .5rem; top: .5rem; bottom: .5rem;
  width: 1px; background: var(--border);
}
.timeline-item { position: relative; padding-bottom: var(--space-2xl); }
.timeline-dot {
  position: absolute; left: calc(-2rem + .5rem - 5px); top: .4rem;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); transition: background .2s;
}
.timeline-item:hover .timeline-dot { background: var(--accent); }
.timeline-year  { font-family: var(--font-mono); font-size: .75rem; color: var(--accent); margin-bottom: .35rem; }
.timeline-title { font-size: 1.1rem; font-weight: 700; margin-bottom: .2rem; }
.timeline-place { font-size: .875rem; color: var(--text-muted); }
.timeline-desc  { font-size: .875rem; color: var(--text-muted); margin-top: .5rem; max-width: 60ch; }

/* ── TESTIMONIALS ── */
#testimonials {
  padding: var(--space-section) 0;
  border-top: 1px solid var(--border); background: var(--bg-surface);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-xl);
}
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: var(--space-xl);
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
  transition: border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.testimonial-card:hover {
  border-color: var(--t-accent, var(--accent));
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.testimonial-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--space-md);
}
.testimonial-stars  { color: #f59e0b; font-size: .95rem; letter-spacing: .1em; }
.testimonial-project {
  font-family: var(--font-mono); font-size: .72rem; color: var(--text-muted);
  background: var(--accent-subtle); padding: .2rem .6rem;
  border-radius: var(--radius-full); border: 1px solid var(--border);
}
.testimonial-quote {
  font-size: .935rem; line-height: 1.7; color: var(--text);
  margin-bottom: var(--space-xl);
}
.testimonial-author {
  display: flex; align-items: center; gap: .85rem;
  padding-top: var(--space-md); border-top: 1px solid var(--border);
}
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 700; font-size: .9rem;
  border: 1px solid var(--border-strong); flex-shrink: 0;
}
.testimonial-name { font-size: .95rem; font-weight: 700; color: var(--text); }
.testimonial-role { font-size: .78rem; color: var(--text-muted); margin: 0; }
.testimonial-company { color: var(--text-faint); font-weight: 500; }

/* ── NOW ── */
#now { padding: var(--space-2xl) 0; border-top: 1px solid var(--border); }
.now-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
  gap: var(--space-lg); margin-top: var(--space-xl);
}
.now-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-lg);
}
.now-icon  { font-size: 1.4rem; margin-bottom: var(--space-sm); }
.now-label { font-family: var(--font-mono); font-size: .72rem; color: var(--accent); margin-bottom: .35rem; display: block; }
.now-card p { font-size: .875rem; max-width: none; }
.now-updated { font-family: var(--font-mono); font-size: .72rem; color: var(--text-faint); margin-top: var(--space-lg); }

/* ── CONTACT ── */
#contact { padding: var(--space-section) 0; }
.contact-heading { font-size: clamp(1.8rem, 4vw, 3rem); max-width: 16ch; margin-bottom: var(--space-md); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr min(420px, 45%);
  gap: var(--space-2xl); align-items: start;
}
.contact-info { padding-top: var(--space-sm); }
.contact-info p { max-width: 44ch; margin-bottom: var(--space-xl); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-md); }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--text-muted); }
.form-group input, .form-group textarea {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: .7rem 1rem;
  color: var(--text); font-family: var(--font-body); font-size: .9rem;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  width: 100%;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.form-group input.error, .form-group textarea.error { border-color: #ef4444; }
.form-group .field-error { font-size: .78rem; color: #ef4444; display: none; }
.form-group.has-error .field-error { display: block; }
.form-group textarea { min-height: 130px; resize: vertical; }
.form-honey { display: none; }
.form-status { padding: .75rem 1rem; border-radius: var(--radius-md); font-size: .875rem; display: none; }
.form-status.success  { background: rgba(34,197,94,.1); color: var(--green); border: 1px solid rgba(34,197,94,.2); display: block; }
.form-status.error-msg{ background: rgba(239,68,68,.1); color: #ef4444; border: 1px solid rgba(239,68,68,.2); display: block; }

/* ── FOOTER ── */

.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--space-lg);
}
.footer-copy { font-size: .8rem; color: var(--text-faint); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-lg); }
.footer-links a { font-size: .82rem; color: var(--text-muted); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
/* back-to-top moved to footer-top-btn */
.footer-hint { text-align: center; padding: .6rem 0 .75rem; font-family: var(--font-mono); font-size: .68rem; color: var(--text-faint); }
.footer-hint kbd {
  background: var(--bg-elevated); border: 1px solid var(--border);
  padding: .1rem .35rem; border-radius: 3px; font-size: .65rem;
}

/* ── CURSOR (desktop-only) ── */
@media (pointer: fine) {
  body { cursor: none; }
  a, button, [role="button"], label, .filter-tab, .project-card, .skill-tile, .hero-tab-btn { cursor: none; }
}
#cursor-dot {
  position: fixed; width: 6px; height: 6px;
  background: var(--accent); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  will-change: transform; contain: layout style paint;
  transition: background .2s;
  top: 0; left: 0; /* transform positions it */
}
#cursor-ring {
  position: fixed; width: 32px; height: 32px;
  border: 1.5px solid var(--accent); border-radius: 50%;
  pointer-events: none; z-index: 9998;
  will-change: transform; contain: layout style paint;
  transition: width .25s var(--ease), height .25s var(--ease),
              border-color .2s, margin .25s var(--ease);
  top: 0; left: 0;
}
body.cursor-hover #cursor-ring { width: 48px; height: 48px; opacity: .35; border-color: var(--accent-light); }
body.cursor-clicking #cursor-dot { width: 10px; height: 10px; }
@media (pointer: coarse) { #cursor-dot, #cursor-ring { display: none; } }

/* ── Scroll hint ── */
.scroll-hint {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .68rem; color: var(--text-faint);
  letter-spacing: .08em; animation: scroll-hint-fade 4.5s ease 1.5s infinite; opacity: 0;
}
@keyframes scroll-hint-fade {
  0%        { opacity: 0; transform: translateX(-50%) translateY(6px); }
  8%        { opacity: 1; transform: translateX(-50%) translateY(0); }
  55%       { opacity: 1; transform: translateX(-50%) translateY(10px); }
  66%, 100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}
.scroll-hint-line {
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
  animation: scroll-line 1.4s ease-in-out 2s infinite;
}
@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: .3; }
}

/* ── Nav extras ── */
.nav-kbd {
  display: inline-flex; align-items: center;
  padding: .1rem .4rem; background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: 4px;
  font-family: var(--font-mono); font-size: .68rem; color: var(--text-faint);
  margin-left: .35rem;
}
.cmd-trigger {
  display: flex; align-items: center; padding: .4rem .65rem;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  color: var(--text-muted); font-size: .8rem;
  transition: all var(--duration-fast);
}
.cmd-trigger:hover { color: var(--text); border-color: var(--accent); }

.mobile-menu-footer a {
  font-family: var(--font-mono); font-size: .8rem;
  color: var(--text-faint); text-decoration: none;
}
.mobile-menu-footer a:hover { color: var(--accent); }

/* SVG image display in project cards */
.project-cover object, .project-cover img[src$=".svg"] {
  width: 100%; height: 100%; object-fit: cover;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — mobile-first breakpoints
═══════════════════════════════════════════════ */

/* 1024px — tablet landscape */
@media (max-width: 1024px) {
  #hero { min-height: auto; padding-block: calc(var(--nav-height) + 2rem) 3rem; }
  .hero-inner       { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-3d-card     { max-width: 520px; margin-inline: auto; }
  .about-grid       { grid-template-columns: 1fr; }
  .contact-grid     { grid-template-columns: 1fr; }
  .profile-card     { position: static; max-width: 360px; margin-inline: auto; }
  .about-stats      { grid-template-columns: repeat(3,1fr); }
  .hero-float-badge { display: none; }
}

/* 900px — nav collapses */
@media (max-width: 900px) {
  .nav-links  { display: none; }
  .hamburger  { display: flex; }
  .nav-inner  { gap: .75rem; }
  .nav-actions{ gap: .35rem; }
}

/* 768px — mobile */
@media (max-width: 768px) {
  .hero-name  { font-size: clamp(2.2rem, 9vw, 3.4rem); letter-spacing: -.03em; }
  #hero       { min-height: auto; padding-top: calc(var(--nav-height) + 1.5rem); padding-bottom: 3rem; }
  .hero-inner { padding: 1rem 0; gap: 2rem; }
  .hero-visual-wrap { display: none; }
  .scroll-hint{ display: none; }
  .about-stats{ grid-template-columns: 1fr 1fr; }
  .about-grid { gap: var(--space-xl); }
}

/* 600px */
@media (max-width: 600px) {
  .hero-status-pill { font-size: .68rem; padding: .35rem .75rem; }
  .hero-actions     { flex-direction: column; }
  .hero-actions .btn{ justify-content: center; width: 100%; }
  .projects-grid    { grid-template-columns: 1fr; }
  .skills-grid      { grid-template-columns: 1fr; }
  .skills-tiles-grid{ grid-template-columns: 1fr 1fr; }
  .about-stats      { grid-template-columns: 1fr 1fr; }
  .contact-grid     { gap: var(--space-xl); }
}

/* 480px — small phones */
@media (max-width: 480px) {
  .about-stats   { grid-template-columns: 1fr; }
  .nav-kbd       { display: none; }
  .footer-links  { gap: .75rem 1rem; }
  .hero-name     { font-size: clamp(2rem, 10vw, 2.8rem); }
  .hero-desc     { font-size: .9rem; }
  .section-tag   { font-size: .7rem; }
  h2             { font-size: clamp(1.4rem, 6vw, 2rem); }
  .project-body  { padding: var(--space-lg); }
  .project-actions { flex-direction: column; align-items: stretch; }
  .project-actions-left { justify-content: stretch; }
  .project-actions .btn { justify-content: center; }
}

/* 360px — smallest supported */
@media (max-width: 380px) {
  .hero-name  { font-size: clamp(1.8rem, 10vw, 2.2rem); }
  .hero-status-pill { display: none; }
  .skills-tiles-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════
   CREDENTIALS — licenses & certifications
══════════════════════════════════════════════ */
.creds-summary {
  display: flex; flex-wrap: wrap; gap: .5rem 1.25rem;
  margin-top: var(--space-lg);
  font-family: var(--font-mono); font-size: .78rem; color: var(--text-muted);
}
.creds-summary span { display: inline-flex; align-items: center; gap: .35rem; }
.creds-summary strong { color: var(--accent); font-size: .95rem; }

.creds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}
.cred-card {
  display: flex; flex-direction: column;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
  transition: border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.cred-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

/* Thumbnail: A4 landscape, reserved space, placeholder shows until a scan is added */
.cred-thumb {
  position: relative; aspect-ratio: 1.414 / 1;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
  border-bottom: 1px solid var(--border);
  display: grid; place-items: center; overflow: hidden;
}
.cred-thumb-mark {
  font-family: var(--font-head); font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800; color: var(--accent); opacity: .5; letter-spacing: -.02em;
}
.cred-thumb img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: top;
}

.cred-body {
  flex: 1; display: flex; flex-direction: column;
  gap: .6rem; padding: var(--space-lg);
}
.cred-top {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
}
.cred-issuer-mark {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  display: grid; place-items: center;
  background: var(--accent-subtle); border: 1px solid var(--border-strong);
  font-family: var(--font-mono); font-size: .72rem; font-weight: 600; color: var(--accent);
  flex-shrink: 0;
}
.cred-title { font-size: var(--step-0); font-weight: 700; line-height: 1.25; }
.cred-issuer { font-size: .85rem; color: var(--text-muted); max-width: none; }

.cred-meta {
  display: flex; flex-wrap: wrap; gap: .5rem 1.25rem;
  padding-top: .6rem; border-top: 1px solid var(--border);
  font-size: .8rem;
}
.cred-meta > div { display: flex; gap: .4rem; }
.cred-meta dt { color: var(--text-faint); }
.cred-meta dd { color: var(--text); margin: 0; }
.cred-meta .mono { font-family: var(--font-mono); font-size: .75rem; }

.cred-skills { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: auto; }
.cred-actions { display: flex; flex-wrap: wrap; gap: .5rem; padding-top: .5rem; }

/* "Show all" for overflow credentials — spans the full grid row */
.cred-more { grid-column: 1 / -1; }
.cred-more > summary {
  list-style: none; width: fit-content; cursor: pointer;
}
.cred-more > summary::-webkit-details-marker { display: none; }
.cred-more[open] > summary { display: none; }
.cred-more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: var(--space-xl); margin-top: var(--space-xl);
}

/* Small screens: single column, full-width actions */
@media (max-width: 480px) {
  .cred-actions .btn { flex: 1; justify-content: center; }
  .creds-summary { font-size: .72rem; }
}

/* ══════════════════════════════════════════════
   CONTACT — professional redesign
══════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
  margin-top: var(--space-2xl);
}

/* Contact info items (email / location / phone) */
.contact-items {
  display: flex; flex-direction: column; gap: var(--space-md);
  margin: var(--space-xl) 0;
}
.contact-item {
  display: flex; align-items: flex-start; gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast), transform var(--duration-fast);
}
.contact-item:hover { border-color: var(--border-strong); transform: translateX(3px); }
.contact-item-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--accent-subtle); border: 1px solid rgba(99,102,241,.2);
  border-radius: var(--radius-md); color: var(--accent);
}
.contact-item-body { display: flex; flex-direction: column; gap: .15rem; }
.contact-item-label {
  font-family: var(--font-mono); font-size: .7rem;
  color: var(--text-faint); letter-spacing: .05em; text-transform: uppercase;
}
.contact-item-value {
  font-size: .9rem; font-weight: 600; color: var(--text);
  text-decoration: none; transition: color var(--duration-fast);
}
a.contact-item-value:hover { color: var(--accent); }

/* Social links — icon + title + handle + arrow */
.contact-socials {
  display: flex; flex-direction: column; gap: .6rem;
  margin-bottom: var(--space-lg);
}
.contact-social-link {
  display: flex; align-items: center; gap: var(--space-md);
  padding: .75rem var(--space-lg);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); text-decoration: none;
  transition: border-color var(--duration-fast), transform var(--duration-fast),
              box-shadow var(--duration-fast);
}
.contact-social-link:hover {
  border-color: var(--accent); transform: translateX(3px);
  box-shadow: 0 4px 16px var(--accent-glow);
  text-decoration: none;
}
.contact-social-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--accent-subtle); border: 1px solid rgba(99,102,241,.2);
  border-radius: var(--radius-md); color: var(--accent);
}
.contact-social-body { flex: 1; display: flex; flex-direction: column; gap: .1rem; }
.contact-social-title { font-size: .88rem; font-weight: 700; color: var(--text); }
.contact-social-handle { font-family: var(--font-mono); font-size: .72rem; color: var(--text-muted); }
.contact-social-arrow { color: var(--text-faint); flex-shrink: 0; transition: transform .2s; }
.contact-social-link:hover .contact-social-arrow { transform: translate(2px,-2px); color: var(--accent); }

.contact-reply-note {
  display: flex; align-items: center; gap: .45rem;
  font-size: .8rem; color: var(--text-faint);
  margin-top: var(--space-md); max-width: none;
}

/* Form card */
.contact-form-notice {
  padding: 1rem 1.25rem;
  background: var(--accent-subtle); border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg); color: var(--text-muted);
  font-size: .875rem; margin-bottom: var(--space-lg);
}
.contact-form-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  display: flex; flex-direction: column; gap: var(--space-md);
 
}
.contact-form-column {
  margin-top: clamp(7rem, 10vw, 9rem);
  padding-left: clamp(1.5rem, 3vw, 2.5rem);
  border-left: 1px solid var(--border-strong);
}
/* Two-column row for name + email */
.contact-form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md);
}
/* Override base form-group input to match card */
.contact-form-card .form-group input,
.contact-form-card .form-group textarea {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: .75rem 1rem;
  color: var(--text); font-family: var(--font-body); font-size: .9rem;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  width: 100%;
}
.contact-form-card .form-group input:focus,
.contact-form-card .form-group textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.contact-form-card .form-group input::placeholder,
.contact-form-card .form-group textarea::placeholder { color: var(--text-faint); opacity: 1; }
.contact-form-card .form-group label { color: var(--text); font-size: .8rem; letter-spacing: .01em; }
.contact-form-card .form-group { gap: .5rem; }
.contact-form-card .form-group input.error,
.contact-form-card .form-group textarea.error { border-color: #ef4444; }
.contact-form-card textarea { min-height: 120px; resize: vertical; }
.contact-submit-btn { min-width: 190px; justify-content: center; }

/* Responsive contact */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .contact-form-column {
    margin-top: 0;
    padding-left: 0;
    border-left: 0;
  }
  .contact-form-card { max-width: 680px; }
}
@media (max-width: 600px) {
  .contact-form-row { grid-template-columns: 1fr; }
  .contact-submit-btn { width: 100%; }
}

/* ══════════════════════════════════════════════
   SKILLS — compact pill redesign
══════════════════════════════════════════════ */
.skills-pills-grid {
  display: flex; flex-wrap: wrap; gap: .5rem;
}
.skill-pill {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .4rem .8rem;
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: border-color var(--duration-fast), background var(--duration-fast),
              transform var(--duration-fast);
  cursor: default;
}
.skill-pill:hover {
  border-color: var(--skill-brand, var(--accent));
  background: var(--bg-elevated);
  transform: translateY(-2px);
}
.skill-pill-icon {
  display: flex; align-items: center; flex-shrink: 0;
  width: 18px; height: 18px;
}
.skill-pill-icon svg { width: 100%; height: 100%; }
.skill-pill-name {
  font-size: .82rem; font-weight: 600; color: var(--text);
  white-space: nowrap;
}

/* On mobile, pills stay as pills — they wrap naturally */
@media (max-width: 480px) {
  .skill-pill { padding: .35rem .7rem; }
  .skill-pill-name { font-size: .78rem; }
  .skill-group { padding: var(--space-lg); }
}

/* ══════════════════════════════════════════════
   PROJECT CARDS — image-overlay action buttons
══════════════════════════════════════════════ */
.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color var(--duration), box-shadow var(--duration), transform var(--duration);
}
.project-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.project-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Image + overlay */
.pc-image-wrap {
  position: relative; width: 100%; aspect-ratio: 16/10; overflow: hidden;
  background: var(--bg-elevated);
}
.pc-image { width: 100%; height: 100%; }
.pc-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .55s var(--ease);
}
.project-card:hover .pc-image img { transform: scale(1.04); }

/* Top-left badges */
.pc-badges-top {
  position: absolute; top: .85rem; left: .85rem;
  display: flex; gap: .4rem; pointer-events: none;
}
.pc-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .25rem .6rem; border-radius: var(--radius-full);
  font-size: .68rem; font-weight: 600; font-family: var(--font-mono);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.pc-badge-live  { background: rgba(16,30,16,.75); color: #4ade80; border: 1px solid rgba(74,222,128,.25); }
.pc-badge-wip   { background: rgba(30,25,10,.75); color: #fbbf24; border: 1px solid rgba(251,191,36,.25); }
.pc-badge-feat  { background: rgba(20,20,40,.75); color: var(--accent-light); border: 1px solid rgba(99,102,241,.3); }

/* Overlay buttons — appear on hover */
.pc-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; gap: .6rem;
  background: rgba(6,6,14,.65);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
  padding: 1rem;
}
.project-card:hover .pc-overlay { opacity: 1; }
.project-card:focus-within .pc-overlay { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .project-card:hover .pc-overlay { transition: none; }
}
.pc-overlay-btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .55rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: .82rem; font-weight: 600;
  white-space: nowrap; text-decoration: none;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
  min-height: 40px;
  transform: translateY(6px);
}
.project-card:hover .pc-overlay-btn { transform: translateY(0); }
.project-card:focus-within .pc-overlay-btn { transform: translateY(0); }
.pc-overlay-btn:nth-child(2) { transition-delay: .04s; }
.pc-overlay-primary {
  background: var(--accent); color: #fff; border: 1px solid var(--accent);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.pc-overlay-primary:hover { background: var(--accent-light); transform: translateY(-2px); text-decoration: none; color: #fff; }
.pc-overlay-secondary {
  background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
}
.pc-overlay-secondary:hover { background: rgba(255,255,255,.22); transform: translateY(-2px); text-decoration: none; color: #fff; }

/* Mobile: overlay always visible as a strip */
@media (hover: none), (max-width: 600px) {
  .pc-overlay {
    opacity: 1; position: static;
    backdrop-filter: none; background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    padding: .65rem var(--space-lg);
    justify-content: flex-start;
  }
  .pc-overlay-btn { transform: none; padding: .45rem .85rem; font-size: .78rem; }
  .pc-overlay-secondary { background: transparent; color: var(--text-muted); border-color: var(--border); }
  .pc-overlay-secondary:hover { color: var(--text); background: var(--bg-card); }
}

/* Card body */
.pc-body {
  padding: var(--space-lg) var(--space-xl);
  display: flex; flex-direction: column; gap: .6rem; flex: 1;
}
.pc-meta-row {
  display: flex; align-items: center; justify-content: space-between;
}
.pc-year { font-family: var(--font-mono); font-size: .72rem; color: var(--text-faint); }
.pc-type { font-size: .72rem; color: var(--text-faint); }
.pc-title {
  font-size: 1.05rem; font-weight: 700; line-height: 1.25;
  margin: 0;
}
.pc-title-link {
  color: var(--text); text-decoration: none;
  transition: color var(--duration-fast);
}
.pc-title-link:hover { color: var(--accent); text-decoration: none; }
.pc-summary {
  font-size: .855rem; color: var(--text-muted); max-width: none;
  line-height: 1.6; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.pc-tech { display: flex; flex-wrap: wrap; gap: .3rem; }
.pc-case-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .8rem; font-weight: 600; color: var(--accent);
  text-decoration: none; margin-top: auto; padding-top: .6rem;
  border-top: 1px solid var(--border);
  transition: gap var(--duration-fast), color var(--duration-fast);
}
.pc-case-link:hover { gap: .65rem; text-decoration: none; }

/* Placeholder gradient */
.project-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: .95rem; font-weight: 700;
  color: rgba(255,255,255,.5); padding: 1rem; text-align: center;
}

/* ══════════════════════════════════════════════
   HAMBURGER — SVG morph to ✕
══════════════════════════════════════════════ */
.hamburger {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); color: var(--text);
  transition: border-color var(--duration-fast), background var(--duration-fast);
  flex-shrink: 0;
}
.hamburger:hover { border-color: var(--accent); color: var(--accent); }

.hbg-icon line {
  transform-origin: center;
  transition: transform var(--duration) var(--ease),
              opacity   var(--duration) var(--ease);
}
/* Open state: top → rotate +45°, mid → fade, bot → rotate −45° */
.hamburger.open .hbg-top { transform: translateY(6px)  rotate(45deg); }
.hamburger.open .hbg-mid { opacity: 0; transform: scaleX(0); }
.hamburger.open .hbg-bot { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .hamburger { display: inline-flex; }
}

/* ══════════════════════════════════════════════
   MOBILE MENU — slide-in panel redesign
══════════════════════════════════════════════ */
#mobile-menu {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(340px, 90vw);
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 0;
  padding: 0;
  /* slide in from the right */
  transform: translateX(100%);
  visibility: hidden;
  transition: transform .38s var(--ease), visibility 0s linear .38s;
  overflow-y: auto;
  box-shadow: -20px 0 60px rgba(0,0,0,.35);
}
#mobile-menu.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

/* Dim the page behind the panel */
#mobile-menu::before {
  content: '';
  position: fixed;
  inset: 0 min(340px,90vw) 0 0;
  background: rgba(0,0,0,0);
  pointer-events: none;
  transition: background .38s var(--ease);
}
#mobile-menu.open::before {
  background: rgba(0,0,0,.45);
  pointer-events: all;
}

/* Top bar */
.mm-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.mm-topbar-role {
  font-family: var(--font-mono); font-size: .72rem;
  color: var(--text-faint); letter-spacing: .04em;
}

/* Nav links */
.mm-nav {
  display: flex; flex-direction: column;
  padding: 1.25rem 0;
  flex: 1;
}
.mm-link {
  display: flex; align-items: center; gap: 1rem;
  padding: .85rem 1.5rem;
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 600;
  color: var(--text-muted); text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--duration-fast), background var(--duration-fast),
              border-color var(--duration-fast);
  min-height: 52px;
}
.mm-link:hover, .mm-link.active {
  color: var(--text);
  background: var(--accent-subtle);
  border-left-color: var(--accent);
  text-decoration: none;
}
.mm-num {
  font-family: var(--font-mono); font-size: .7rem; color: var(--accent);
  letter-spacing: .04em; min-width: 22px; flex-shrink: 0;
}

/* Stagger animation when menu opens */
#mobile-menu.open .mm-link {
  animation: mm-slide-in .35s var(--ease) both;
}
#mobile-menu.open .mm-link:nth-child(1) { animation-delay: .06s; }
#mobile-menu.open .mm-link:nth-child(2) { animation-delay: .10s; }
#mobile-menu.open .mm-link:nth-child(3) { animation-delay: .14s; }
#mobile-menu.open .mm-link:nth-child(4) { animation-delay: .18s; }
#mobile-menu.open .mm-link:nth-child(5) { animation-delay: .22s; }
#mobile-menu.open .mm-link:nth-child(6) { animation-delay: .26s; }
@keyframes mm-slide-in {
  from { opacity: 0; transform: translateX(18px); }
  to   { opacity: 1; transform: translateX(0); }
}
@media (prefers-reduced-motion: reduce) {
  #mobile-menu.open .mm-link { animation: none; }
}

/* Bottom: socials + CV */
.mm-bottom {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 1rem;
  flex-shrink: 0;
}
.mm-socials {
  display: flex; gap: .6rem; flex-wrap: wrap;
}
.mm-social-btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .5rem .9rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: .82rem; font-weight: 500; color: var(--text-muted);
  text-decoration: none; min-height: 40px;
  transition: all var(--duration-fast);
}
.mm-social-btn:hover {
  color: var(--accent); border-color: var(--accent);
  background: var(--accent-subtle); text-decoration: none;
}
.mm-cv-btn { width: 100%; justify-content: center; }

/* ══════════════════════════════════════════════
   FOOTER — professional four-zone layout
══════════════════════════════════════════════ */
footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 0;
}

/* TOP: brand + back-to-top */
.footer-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
}
.footer-brand { display: flex; flex-direction:column; gap: .35rem; }
.footer-logo  { font-size: 1rem; }
.footer-tagline {
  font-family: var(--font-mono); font-size: .75rem; color: var(--text-faint);
  letter-spacing: .03em;
}
.footer-top-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .55rem 1.1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: .8rem; font-weight: 500; color: var(--text-muted);
  transition: all var(--duration-fast); white-space: nowrap;
  min-height: 44px; min-width: max-content;
}
.footer-top-btn:hover {
  color: var(--accent); border-color: var(--accent); transform: translateY(-2px);
}

/* MID: three columns */
.footer-mid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.footer-col { display: flex; flex-direction: column; gap: .85rem; }
.footer-col-heading {
  font-family: var(--font-mono); font-size: .7rem; color: var(--accent);
  letter-spacing: .08em; text-transform: uppercase;
}
.footer-col nav { display: flex; flex-direction: column; gap: .5rem; }
.footer-col nav a {
  font-size: .85rem; color: var(--text-muted);
  text-decoration: none; transition: color var(--duration-fast);
  width: fit-content;
}
.footer-col nav a:hover { color: var(--text); }

/* Social links in footer */
.footer-socials { display: flex; flex-direction: column; gap: .55rem; }
.footer-social {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .85rem; color: var(--text-muted);
  text-decoration: none; transition: color var(--duration-fast);
  width: fit-content;
}
.footer-social:hover { color: var(--accent); }

/* BOTTOM: copyright */
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: 1.25rem 0;
}
.footer-copy, .footer-made-with {
  font-size: .78rem; color: var(--text-faint);
  margin: 0; max-width: none;
}

/* ── Footer responsive ── */
@media (max-width: 768px) {
  .footer-mid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  /* Move Connect column full-width last */
  .footer-col:last-child {
    grid-column: 1 / -1;
    flex-direction: row; flex-wrap: wrap; align-items: flex-start;
    gap: 1rem;
  }
  .footer-col:last-child .footer-socials {
    flex-direction: row; flex-wrap: wrap; gap: .65rem;
  }
  .footer-col:last-child .footer-col-heading { flex: 1 1 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: .4rem; }
  /* footer-top-btn stays visible on all sizes — only shrinks on tiny phones */
}

@media (max-width: 480px) {
  .footer-mid {
    grid-template-columns: 1fr;
  }
  .footer-col:last-child { grid-column: auto; }
  .footer-top { padding: 1.75rem 0 1.25rem; }
}

/* ══════════════════════════════════════════════
   CONTACT — icon-only social buttons
══════════════════════════════════════════════ */
.contact-social-icons {
  display: flex; gap: .65rem;
  margin-bottom: var(--space-lg);
}
.contact-icon-btn {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); color: var(--text-muted);
  transition: all var(--duration-fast); text-decoration: none;
}
.contact-icon-btn:hover {
  color: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-2px); text-decoration: none;
}

/* Contact thanks / success state */
.contact-thanks {
  display: none; flex-direction: column; align-items: center;
  justify-content: center; gap: var(--space-lg);
  padding: var(--space-2xl) var(--space-xl);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); text-align: center;
  min-height: 280px;
}
.contact-thanks-icon {
  width: 72px; height: 72px; display: grid; place-items: center;
  background: var(--green-glow); border: 1px solid rgba(34,197,94,.25);
  border-radius: 50%; color: var(--green);
}
.contact-thanks h3 { font-size: 1.4rem; }
.contact-thanks p  { font-size: .9rem; color: var(--text-muted); max-width: 32ch; }

/* ══════════════════════════════════════════════
   PROJECT CARD — GitHub pin top-right of image
══════════════════════════════════════════════ */
.pc-gh-pin {
  position: absolute; top: .75rem; right: .75rem; z-index: 3;
  width: 36px; height: 36px; display: grid; place-items: center;
  background: rgba(8,8,16,.75); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-md); color: #fff;
  transition: background var(--duration-fast), transform var(--duration-fast),
              border-color var(--duration-fast);
  text-decoration: none;
  display: none;
}
@media (hover: none), (max-width: 900px) {
  .pc-gh-pin { display: grid; opacity: 1; }
  .pc-overlay-secondary { display: none; }
}
.pc-gh-pin:hover {
  background: rgba(99,102,241,.85);
  border-color: var(--accent);
  transform: scale(1.08);
  text-decoration: none;
}
[data-theme="light"] .pc-gh-pin {
  background: rgba(245,246,255,.9);
  border-color: rgba(0,0,0,.12); color: #0d0d1a;
}

/* ══════════════════════════════════════════════
   CASE STUDY PAGE ACTIONS
══════════════════════════════════════════════ */
.cs-live-btn { /* inherits .btn .btn-primary .btn-sm */ }
.cs-gh-btn { align-items: center; }

.project-page-links:empty { display: none; }

/* footer-top-btn min-width set in main rule above */
@media (max-width: 380px) {
  /* Only hide text on the very smallest phones */
  .footer-top-btn span { display: none; }
  .footer-top-btn { padding: .55rem; width: 44px; justify-content: center; min-width: unset; }
}

/* ══════════════════════════════════════════════
   MOBILE MENU — final polish
══════════════════════════════════════════════ */
/* Overlay that dims page content behind the panel */
.mm-backdrop {
  position: fixed; inset: 0; z-index: 199;
  background: rgba(0,0,0,0);
  pointer-events: none;
  transition: background .38s var(--ease);
}
.mm-backdrop.visible {
  background: rgba(0,0,0,.45);
  pointer-events: all;
}

/* ══════════════════════════════════════════════
   NAV DESKTOP — left/right breathing room
══════════════════════════════════════════════ */
@media (min-width: 901px) {
  .nav-inner { padding: 0 var(--space-md); }
  .nav-links  { gap: .1rem; }
}