/* ─────────────────────────────────────────────────
   Navigation — Apple glass nav
   ───────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  /* Extend up under the status-bar safe area so content scrolling
     beneath can never peek above the bar on notched phones. */
  height: var(--nav-total);
  padding-top: env(safe-area-inset-top, 0px);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--t-2) var(--ease),
              backdrop-filter var(--t-2) var(--ease),
              border-color var(--t-2) var(--ease);
}

.nav.scrolled,
.nav--solid {
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(28px);
  -webkit-backdrop-filter: saturate(180%) blur(28px);
  border-color: var(--hairline);
}

.nav__inner {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-0);
}

.nav__logo-mark {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: conic-gradient(from 220deg at 60% 40%, var(--accent), var(--accent-2), var(--accent));
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18), 0 6px 16px var(--accent-glow);
}

.nav__logo-mark::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 4px;
  background: var(--surface-0);
  display: grid;
  place-items: center;
}

.nav__logo-mark::before {
  content: 'Y';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  color: var(--ink-0);
  z-index: 1;
}

.nav__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin: 0;
}

.nav__links a:not(.btn) {
  font-size: 0.86rem;
  color: var(--ink-2);
  padding: 0.5rem 0.9rem;
  border-radius: var(--r-pill);
  transition: color var(--t-1) var(--ease), background var(--t-1) var(--ease);
}

.nav__links a:not(.btn):hover {
  color: var(--ink-0);
  background: var(--surface-elev);
}

.nav__links a.is-active {
  color: var(--ink-0);
  background: var(--surface-elev);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-self: end;
}

/* Theme toggle */
.theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: var(--ink-1);
  background: var(--surface-elev);
  border: 1px solid var(--hairline);
  transition: color var(--t-1), background var(--t-1), transform var(--t-1) var(--ease-spring);
}
.theme-toggle:hover { color: var(--ink-0); transform: scale(1.05); }
.theme-toggle svg { width: 15px; height: 15px; }
.theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun  { display: block; }
:root[data-theme="light"] .theme-toggle .icon-sun  { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: 6px 0;
  z-index: 110;
}
.nav__toggle span {
  display: block;
  height: 1.5px;
  background: var(--ink-0);
  border-radius: 2px;
  transition: transform var(--t-2) var(--ease), opacity var(--t-2) var(--ease);
}
.nav.menu-active .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.menu-active .nav__toggle span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav.menu-active .nav__toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav__mobile {
  position: fixed;
  inset: 0;
  background: var(--surface-glass-strong);
  backdrop-filter: saturate(180%) blur(40px);
  -webkit-backdrop-filter: saturate(180%) blur(40px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  z-index: 105;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-3) var(--ease);
}
.nav__mobile.active { opacity: 1; pointer-events: all; }
.nav__mobile a {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: var(--tracking-tighter);
  transition: color var(--t-1) var(--ease);
}
.nav__mobile a:hover { color: var(--ink-0); }

/* ─────────────────────────────────────────────────
   Buttons (Apple pill / segmented)
   ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--r-pill);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: transform var(--t-1) var(--ease-spring),
              background var(--t-1) var(--ease),
              color var(--t-1) var(--ease),
              box-shadow var(--t-1) var(--ease),
              border-color var(--t-1) var(--ease);
  border: 1px solid transparent;
  will-change: transform;
}

.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--ink-0);
  color: var(--surface-0);
  box-shadow: 0 1px 0 rgba(255,255,255,0.12) inset, 0 6px 22px rgba(0,0,0,0.18);
}
.btn--primary:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn--accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 30px var(--accent-glow);
}
.btn--accent:hover { filter: brightness(1.08); transform: translateY(-1px); }

.btn--ghost {
  border-color: var(--hairline-strong);
  color: var(--ink-1);
  background: transparent;
}
.btn--ghost:hover {
  background: var(--surface-elev);
  color: var(--ink-0);
  border-color: var(--ink-2);
}

.btn--sm { padding: 0.5rem 1rem; font-size: 0.82rem; }
.btn--lg { padding: 1rem 2rem; font-size: 1rem; }

.btn .arrow {
  width: 14px; height: 14px;
  transition: transform var(--t-2) var(--ease);
}
.btn:hover .arrow { transform: translate(2px, -2px); }

/* Magnetic affordance handled by JS via translate3d */
.btn--magnetic { will-change: transform; }

/* ─────────────────────────────────────────────────
   Cards (universal, Apple-style)
   ───────────────────────────────────────────────── */
.card {
  position: relative;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 2rem;
  transition: border-color var(--t-2) var(--ease),
              background var(--t-2) var(--ease),
              transform var(--t-3) var(--ease);
  overflow: hidden;
}

.card:hover {
  border-color: var(--hairline-strong);
  background: var(--surface-2);
  transform: translateY(-3px);
}

.card__shine {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    radial-gradient(600px 220px at var(--mx, 50%) var(--my, 0%),
      rgba(255,255,255,0.05), transparent 60%);
  opacity: 0;
  transition: opacity var(--t-2) var(--ease);
}
.card:hover .card__shine { opacity: 1; }

/* ─────────────────────────────────────────────────
   Project tile (homepage + index)
   ───────────────────────────────────────────────── */
.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 380px;
  padding: 2.25rem;
  border-radius: var(--r-xl);
  border: 1px solid var(--hairline);
  background:
    radial-gradient(120% 100% at 100% 0%, var(--tile-glow, transparent) 0%, transparent 60%),
    linear-gradient(180deg, var(--surface-2), var(--surface-1));
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--t-3) var(--ease),
              border-color var(--t-2) var(--ease),
              box-shadow var(--t-3) var(--ease);
  text-decoration: none;
  color: inherit;
}

.tile::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    var(--tile-edge, rgba(255,255,255,0.18)) 0%,
    rgba(255,255,255,0) 35%,
    rgba(255,255,255,0) 65%,
    var(--tile-edge-2, rgba(255,255,255,0.06)) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.9;
}

.tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--hairline-strong);
}

.tile__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.tile__head .tile__meta { margin-bottom: 0; }

.tile__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  overflow: hidden;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline);
  box-shadow: 0 8px 22px rgba(0,0,0,0.28),
              inset 0 0 0 1px rgba(255,255,255,0.04);
  background: var(--surface-elev);
  transition: transform var(--t-2) var(--ease-spring), box-shadow var(--t-2) var(--ease);
}

.tile__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tile:hover .tile__icon {
  transform: scale(1.05) rotate(-2deg);
  box-shadow: 0 14px 32px rgba(0,0,0,0.34),
              0 0 0 1px var(--tile-edge, rgba(255,255,255,0.18));
}

.tile__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--ink-3);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.tile__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--tile-chip, var(--accent));
  background: color-mix(in srgb, var(--tile-chip, var(--accent)) 14%, transparent);
  padding: 0.3rem 0.7rem;
  border-radius: var(--r-pill);
}

.tile__title {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.05;
  margin-bottom: 0.85rem;
}

.tile__desc {
  font-size: 0.98rem;
  color: var(--ink-2);
  line-height: 1.55;
  flex: 1;
}

.tile__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
  gap: 1rem;
}

.tile__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tile__stack span {
  font-size: 0.74rem;
  color: var(--ink-2);
  background: var(--surface-elev);
  padding: 0.25rem 0.65rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  letter-spacing: 0.01em;
}

.tile__cta {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--hairline-strong);
  color: var(--ink-1);
  flex-shrink: 0;
  transition: transform var(--t-2) var(--ease), color var(--t-1), background var(--t-1), border-color var(--t-1);
}
.tile__cta svg { width: 14px; height: 14px; }
.tile:hover .tile__cta {
  transform: rotate(-45deg);
  color: var(--surface-0);
  background: var(--ink-0);
  border-color: var(--ink-0);
}

/* Per-project accent palettes */
.tile--airmesh   { --tile-chip: #ff6b6b; --tile-glow: rgba(255,107,107,0.16); --tile-edge: rgba(255,107,107,0.4); --tile-edge-2: rgba(124,92,255,0.25); }
.tile--flint     { --tile-chip: #ff9f0a; --tile-glow: rgba(255,159,10,0.14); --tile-edge: rgba(255,159,10,0.35); --tile-edge-2: rgba(232,179,64,0.22); }
.tile--unopomo   { --tile-chip: #66d4cf; --tile-glow: rgba(102,212,207,0.16); --tile-edge: rgba(102,212,207,0.35); --tile-edge-2: rgba(110,108,255,0.22); }
.tile--tinyfiles { --tile-chip: #6e8cff; --tile-glow: rgba(110,140,255,0.16); --tile-edge: rgba(110,140,255,0.35); --tile-edge-2: rgba(110,108,255,0.22); }

/* ─────────────────────────────────────────────────
   Capability cards (expertise)
   ───────────────────────────────────────────────── */
.cap {
  position: relative;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  transition: border-color var(--t-2) var(--ease),
              background var(--t-2) var(--ease),
              transform var(--t-3) var(--ease);
  overflow: hidden;
}
.cap:hover {
  border-color: var(--hairline-strong);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.cap__icon {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.cap__icon svg { width: 22px; height: 22px; }

.cap--life .cap__icon  { background: linear-gradient(135deg, var(--life-accent), #ffb56b); box-shadow: 0 8px 24px rgba(255,138,107,0.28); }
.cap--mind .cap__icon  { background: linear-gradient(135deg, var(--travel-accent), #66e6e6); box-shadow: 0 8px 24px rgba(102,212,207,0.24); }

.cap h3 {
  font-size: 1.18rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.cap p {
  font-size: 0.95rem;
  color: var(--ink-2);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.cap__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.cap__tags li {
  font-size: 0.72rem;
  color: var(--ink-2);
  border: 1px solid var(--hairline);
  background: var(--surface-elev);
  padding: 0.22rem 0.6rem;
  border-radius: var(--r-pill);
}

/* ─────────────────────────────────────────────────
   Blog card
   ───────────────────────────────────────────────── */
.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.85rem;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  transition: border-color var(--t-2) var(--ease),
              background var(--t-2) var(--ease),
              transform var(--t-3) var(--ease);
  cursor: pointer;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.blog-card:hover {
  background: var(--surface-2);
  border-color: var(--hairline-strong);
  transform: translateY(-2px);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-card__category {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  padding: 0.24rem 0.7rem;
  border-radius: var(--r-pill);
  border: 1px solid currentColor;
  color: var(--accent);
  background: var(--accent-soft);
}

.blog-card__category--tech   { color: var(--tech-accent);   background: color-mix(in srgb, var(--tech-accent) 12%, transparent); }
.blog-card__category--life   { color: var(--life-accent);   background: color-mix(in srgb, var(--life-accent) 14%, transparent); }
.blog-card__category--travel { color: var(--travel-accent); background: color-mix(in srgb, var(--travel-accent) 14%, transparent); }
.blog-card__category--medium { color: #00ab6c; background: rgba(0,171,108,0.14); }
.blog-card__category--devto  { color: #6e8cff; background: rgba(110,140,255,0.14); }

.blog-card__date { font-size: 0.8rem; color: var(--ink-3); }

.blog-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
  color: var(--ink-0);
  transition: color var(--t-1) var(--ease);
}
.blog-card:hover .blog-card__title { color: var(--accent); }

.blog-card__excerpt {
  font-size: 0.95rem;
  color: var(--ink-2);
  line-height: 1.6;
  flex: 1;
}

.blog-card__read {
  font-size: 0.78rem;
  color: var(--ink-3);
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.blog-card__read::after {
  content: '→';
  transition: transform var(--t-2) var(--ease);
}
.blog-card:hover .blog-card__read::after { transform: translateX(3px); }

/* ─────────────────────────────────────────────────
   Marquee (Apple-style scroller)
   ───────────────────────────────────────────────── */
.marquee {
  position: relative;
  overflow: hidden;
  padding: 1.5rem 0;
  border-block: 1px solid var(--hairline);
  background: var(--surface-1);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track {
  display: flex;
  gap: 3.5rem;
  width: max-content;
  animation: marqueeSlide 38s linear infinite;
  align-items: center;
}
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 500;
  color: var(--ink-1);
  letter-spacing: var(--tracking-tighter);
  white-space: nowrap;
}
.marquee__item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--accent-soft);
}
@keyframes marqueeSlide {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ─────────────────────────────────────────────────
   Stats grid
   ───────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.stat {
  padding: 2rem 1.25rem;
  border-right: 1px solid var(--hairline);
}
.stat:last-child { border-right: 0; }

.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tighter);
  line-height: 1;
  color: var(--ink-0);
}

.stat__num .text-grad {
  background: linear-gradient(135deg, var(--accent), var(--accent-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat__label {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-2);
  margin-top: 0.5rem;
  letter-spacing: 0.005em;
}

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3) { grid-column: span 2; border-top: 1px solid var(--hairline); }
}

/* ─────────────────────────────────────────────────
   Footer
   ───────────────────────────────────────────────── */
.footer {
  padding: 4rem 0 3rem;
  border-top: 1px solid var(--hairline);
  background: var(--surface-1);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--ink-2);
  max-width: 28ch;
  line-height: 1.55;
}

.footer__col h4 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1rem;
  font-family: var(--font-text);
}

.footer__col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__col a {
  font-size: 0.92rem;
  color: var(--ink-1);
  transition: color var(--t-1) var(--ease);
}
.footer__col a:hover { color: var(--ink-0); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.82rem;
  color: var(--ink-3);
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 760px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand-col { grid-column: span 2; }
}

@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__brand-col { grid-column: auto; }
}

/* ─── Avatar ──────────────────────────────────── */
.avatar-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  max-width: 480px;
  border-radius: var(--r-xl);
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 50% 20%, var(--accent-soft), transparent 60%),
    linear-gradient(180deg, var(--surface-2), var(--surface-1));
  border: 1px solid var(--hairline);
  isolation: isolate;
}

.avatar-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.4) 100%);
  pointer-events: none;
}

:root[data-theme="light"] .avatar-frame::after {
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.06) 100%);
}

.avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.avatar-frame__badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--r-pill);
  background: var(--surface-glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--hairline);
  font-size: 0.82rem;
  color: var(--ink-1);
}

.avatar-frame__badge .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hue-green);
  box-shadow: 0 0 0 0 rgba(48,209,88,0.5);
  animation: pulse 1.8s var(--ease-out) infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(48,209,88,0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(48,209,88,0); }
  100% { box-shadow: 0 0 0 0 rgba(48,209,88,0); }
}

/* ─── Pill (badge) ─────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: var(--surface-elev);
  font-size: 0.78rem;
  color: var(--ink-1);
}

.pill .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ─── Filter buttons (blog) ────────────────────── */
.blog-filters {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid var(--hairline);
}

.filter-btn {
  padding: 0.5rem 1.1rem;
  border-radius: var(--r-pill);
  font-size: 0.84rem;
  font-weight: 500;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: all var(--t-1) var(--ease);
}
.filter-btn:hover { color: var(--ink-0); border-color: var(--hairline-strong); }
.filter-btn.active {
  color: var(--surface-0);
  background: var(--ink-0);
  border-color: var(--ink-0);
}

/* ─── Cursor (custom on desktop) ───────────────── */
.cursor {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  top: 0; left: 0;
  transform: translate3d(-100px, -100px, 0) translate(-50%, -50%);
  transition: width var(--t-2) var(--ease), height var(--t-2) var(--ease),
              border-color var(--t-2) var(--ease), background var(--t-2) var(--ease),
              opacity var(--t-1);
  mix-blend-mode: difference;
  will-change: transform;
}

.cursor__dot {
  position: fixed;
  width: 4px; height: 4px;
  background: #fff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 10001;
  top: 0; left: 0;
  transform: translate3d(-100px, -100px, 0) translate(-50%, -50%);
  mix-blend-mode: difference;
  will-change: transform;
}

.cursor--hover {
  width: 60px; height: 60px;
  border-color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.04);
}

/* ─── Page header (used on subpages) ───────────── */
.page-header {
  padding: calc(var(--nav-total) + clamp(4rem, 10vh, 7rem)) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.page-header > .container {
  position: relative;
  z-index: 1;
}

/* Block-level flex + fit-content guarantees the eyebrow/label below it
   starts on its own line (fixes the "← Back … — LABEL" collision), and
   the chip styling reads as a clear, tappable control. */
.page-header__back {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--ink-2);
  margin-bottom: 1.75rem;
  padding: 0.5rem 0.95rem 0.5rem 0.8rem;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  background: var(--surface-elev);
  transition: color var(--t-1) var(--ease),
              background var(--t-1) var(--ease),
              border-color var(--t-1) var(--ease),
              transform var(--t-1) var(--ease-spring);
}
.page-header__back:hover {
  color: var(--ink-0);
  border-color: var(--hairline-strong);
  background: var(--surface-2);
}
.page-header__back:active { transform: scale(0.97); }
.page-header__back svg {
  width: 15px; height: 15px;
  transition: transform var(--t-2) var(--ease);
}
.page-header__back:hover svg { transform: translateX(-2px); }

.page-header__title {
  font-size: var(--fs-h1);
  letter-spacing: var(--tracking-tightest);
  line-height: 1;
  max-width: 16ch;
}

.page-header__sub {
  margin-top: 1.25rem;
  color: var(--ink-2);
  font-size: var(--fs-lead);
  max-width: 56ch;
  line-height: 1.5;
}

/* ─── Glow halo (hero / page-header) ───────────── */
.halo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(50% 40% at 20% 0%, var(--accent-soft) 0%, transparent 60%),
    radial-gradient(40% 50% at 90% 30%, color-mix(in srgb, var(--accent-2) 22%, transparent) 0%, transparent 60%);
  filter: blur(40px);
  opacity: 0.9;
}