.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(24px, calc((100vw - var(--container)) / 2));
  border-bottom: 1px solid var(--color-line-soft);
  background: color-mix(in oklab, var(--color-bg) 72%, transparent);
  backdrop-filter: blur(18px);
  transition: height var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}
.site-header.is-scrolled {
  height: 64px;
  border-bottom-color: var(--color-line);
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
}
.site-header__right { display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand__mark { width: 34px; height: 34px; color: var(--color-text); opacity: .96; filter: var(--asset-filter); }
.brand__text {
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.055em;
  font-weight: 430;
}
.site-nav { display: flex; gap: clamp(18px, 2vw, 30px); }
.site-nav__link {
  position: relative;
  padding: 28px 0 25px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--transition-fast);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  height: 1px;
  background: var(--color-text);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}
.site-nav__link:hover,
.site-nav__link.is-active { color: var(--color-text); }
.site-nav__link:hover::after,
.site-nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: .08em;
  font: 11px/1 var(--font-mono);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-line-strong); background: var(--color-surface); }
.theme-toggle__dot { width: 6px; height: 6px; background: currentColor; display: inline-block; }
.button {
  --button-bg: var(--color-text);
  --button-color: var(--color-bg);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--color-text);
  background: var(--button-bg);
  color: var(--button-color);
  cursor: pointer;
  letter-spacing: .02em;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in oklab, var(--button-color) 18%, transparent), transparent);
  transform: translateX(-120%);
  transition: transform 700ms cubic-bezier(.22, 1, .36, 1);
}
.button:hover { transform: translateY(-2px); }
.button:hover::before { transform: translateX(120%); }
.button span { transition: transform var(--transition); }
.button:hover span { transform: translateX(4px); }
.button--ghost { --button-bg: transparent; --button-color: var(--color-text); border-color: var(--color-line-strong); }
.button--ghost:hover { background: var(--color-surface-strong); border-color: var(--color-text); }
.section-kicker, .terminal-line, .tag, .project-card__category {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: .055em;
  color: var(--color-muted);
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  text-transform: uppercase;
}
.section-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border: 1px solid currentColor;
  background: currentColor;
}
.terminal-line { color: var(--color-muted-2); }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid var(--color-line-soft);
  color: var(--color-muted);
}
.skill-card, .project-card, .media-card, .contact-cta {
  position: relative;
  border: 1px solid var(--color-line);
  background: color-mix(in oklab, var(--color-bg-elevated) 76%, transparent);
  box-shadow: var(--shadow-soft), var(--shadow-inner);
  transition: border-color var(--transition), background var(--transition), transform var(--transition), filter var(--transition);
}
.skill-card::before, .project-card::before, .media-card::before, .contact-cta::before {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
    linear-gradient(135deg, var(--color-line-strong), transparent 22%, transparent 78%, var(--color-line-strong)) border-box;
  opacity: .22;
  transition: opacity var(--transition);
}
.skill-card:hover, .project-card:hover, .contact-cta:hover { transform: translateY(-4px); border-color: var(--color-line-strong); }
.skill-card:hover::before, .project-card:hover::before, .contact-cta:hover::before { opacity: .55; }
.skill-card { min-height: 224px; padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.skill-card__icon {
  width: 46px;
  height: 46px;
  object-fit: contain;
  filter: var(--asset-filter) saturate(.82) brightness(.92);
  transition: filter var(--transition), transform var(--transition);
}
.skill-card:hover .skill-card__icon { filter: var(--asset-filter) saturate(1) brightness(1.08); transform: translateY(-2px); }
.skill-card h3, .project-card h3, .contact-cta h3 { margin: 0; font-size: clamp(20px, 1.6vw, 26px); line-height: 1.1; font-weight: 440; letter-spacing: -0.035em; }
.skill-card p, .project-card p { color: var(--color-muted); line-height: 1.62; margin: 0; }
.is-hidden { display: none; }
.is-expanded .is-hidden { display: flex; }
.section-action { margin-top: 24px; }
.media-card { min-height: 320px; display: grid; place-items: center; color: var(--color-muted); overflow: hidden; }
.media-card__placeholder {
  width: calc(100% - 24px);
  min-height: 220px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--color-line);
  color: var(--color-muted-2);
  font: 12px/1.4 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  background:
    linear-gradient(135deg, transparent 0 48%, var(--color-line-soft) 49% 50%, transparent 51%),
    var(--color-surface);
}
.project-card { display: grid; grid-template-columns: .9fr 1.2fr; min-height: 230px; overflow: hidden; }
.project-card__media { padding: 12px; }
.project-card__body { padding: 26px; display: flex; flex-direction: column; justify-content: center; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.contact-list { display: grid; gap: 16px; color: var(--color-muted); }
.contact-list a, .contact-list p { margin: 0; padding-bottom: 12px; border-bottom: 1px solid var(--color-line-soft); transition: color var(--transition-fast), padding-left var(--transition); }
.contact-list a:hover { color: var(--color-text); padding-left: 8px; }
.contact-cta { padding: 32px; }
.read-more__extra { display: none; }
.is-expanded .read-more__extra { display: block; }
.site-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 100;
  transform: translate(-50%, 16px);
  opacity: 0;
  max-width: min(520px, calc(100vw - 32px));
  padding: 16px 18px;
  border: 1px solid var(--color-line-strong);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  transition: opacity 300ms ease, transform 300ms ease;
}
.site-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* v03 — header motion */
.site-header {
  will-change: height, background, border-color, transform;
}
.site-header.is-at-top:not(.is-scrolled) {
  border-bottom-color: transparent;
  background: transparent;
  backdrop-filter: none;
}
.site-header.is-at-top:not(.is-scrolled) .site-nav,
.site-header.is-at-top:not(.is-scrolled) .theme-toggle {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}
.site-nav,
.theme-toggle {
  transition:
    opacity var(--transition),
    transform var(--transition),
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}
.brand {
  position: relative;
  isolation: isolate;
  transition: transform var(--transition), opacity var(--transition);
}
.brand::after {
  content: "";
  position: absolute;
  left: 46px;
  right: -8px;
  bottom: -8px;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: opacity var(--transition), transform var(--transition);
}
.brand:hover::after {
  opacity: .7;
  transform: scaleX(1);
}
.site-header.is-scrolled .brand {
  transform: translateX(-2px) scale(.96);
}
.site-header.is-scrolled .brand__mark {
  width: 30px;
  height: 30px;
}
.site-header.is-scrolled .brand__text {
  font-size: 18px;
}
.site-header.is-scrolled .site-nav__link {
  padding-top: 23px;
  padding-bottom: 21px;
}
.site-header.is-scrolled .site-nav__link::after {
  bottom: 16px;
}

@media (max-width: 920px) {
  .site-header.is-at-top:not(.is-scrolled) .theme-toggle {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
}

/* v04 — side section indicator */
.side-indicator {
  position: fixed;
  right: max(18px, calc((100vw - var(--container)) / 2 - 58px));
  top: 50%;
  z-index: 44;
  transform: translateY(-50%) translateX(12px);
  display: grid;
  justify-items: center;
  gap: 10px;
  color: var(--color-muted-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), color var(--transition);
}
.side-indicator.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}
.side-indicator__current,
.side-indicator__total {
  font: 12px/1 var(--font-mono);
  letter-spacing: .12em;
  color: var(--color-muted);
  transition: color var(--transition-fast);
}
.side-indicator__current { color: var(--color-text); }
.side-indicator__line {
  width: 1px;
  height: 54px;
  background: linear-gradient(180deg, transparent, var(--color-line-strong), transparent);
}
.side-indicator__nav {
  display: grid;
  gap: 10px;
  padding: 4px 0;
}
.side-indicator__dot {
  position: relative;
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
}
.side-indicator__dot::before {
  content: "";
  width: 4px;
  height: 4px;
  background: currentColor;
  opacity: .54;
  transition: width var(--transition), height var(--transition), opacity var(--transition), background var(--transition);
}
.side-indicator__dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-line-strong);
  opacity: 0;
  transform: scale(.72);
  transition: opacity var(--transition), transform var(--transition), border-color var(--transition);
}
.side-indicator__dot:hover::before,
.side-indicator__dot.is-active::before {
  width: 6px;
  height: 6px;
  opacity: 1;
  background: var(--color-text);
}
.side-indicator__dot:hover::after,
.side-indicator__dot.is-active::after {
  opacity: .9;
  transform: scale(1);
}

/* v05 — expanded skill cards */
.skills-grid .skill-card {
  min-height: 318px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  border: 0;
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--color-bg-elevated) 84%, transparent), color-mix(in oklab, var(--color-bg) 82%, transparent)),
    var(--color-bg-elevated);
  box-shadow: none;
  overflow: hidden;
  isolation: isolate;
}
.skills-grid .skill-card::before {
  background:
    linear-gradient(90deg, transparent, var(--color-line-soft), transparent),
    linear-gradient(var(--color-bg-elevated), var(--color-bg-elevated)) padding-box,
    linear-gradient(135deg, var(--color-line-strong), transparent 34%, transparent 72%, var(--color-line)) border-box;
  opacity: .18;
}
.skills-grid .skill-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -44% 22%;
  height: 54%;
  background: radial-gradient(circle, color-mix(in oklab, var(--color-text) 10%, transparent), transparent 62%);
  opacity: 0;
  transform: translateY(18px) scale(.92);
  transition: opacity var(--transition), transform var(--transition);
  z-index: -1;
}
.skills-grid .skill-card:hover {
  transform: translateY(-5px);
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--color-bg-elevated) 96%, transparent), color-mix(in oklab, var(--color-bg) 72%, transparent)),
    var(--color-bg-elevated);
}
.skills-grid .skill-card:hover::after {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.skill-card__head,
.skill-card__meta,
.skill-card__stack {
  display: flex;
  align-items: center;
}
.skill-card__head {
  justify-content: space-between;
  gap: 16px;
  color: var(--color-muted-2);
  font: 11px/1 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.skill-card__index {
  color: var(--color-text);
  font: 12px/1 var(--font-mono);
  letter-spacing: .12em;
}
.skill-card__category { color: var(--color-muted-2); }
.skills-grid .skill-card__icon {
  width: 56px;
  height: 56px;
  color: var(--color-text);
  opacity: .9;
  filter: var(--asset-filter) saturate(.65) brightness(.9) contrast(1.08);
}
.skills-grid .skill-card:hover .skill-card__icon {
  filter: var(--asset-filter) saturate(1) brightness(1.08) contrast(1.05);
  transform: translateY(-3px) scale(1.03);
}
.skill-card__icon--no-invert,
.skill-card:hover .skill-card__icon--no-invert,
.skills-grid .skill-card__icon--no-invert,
.skills-grid .skill-card:hover .skill-card__icon--no-invert {
  filter: none;
}
.skill-card__body {
  display: grid;
  gap: 14px;
}
.skills-grid .skill-card h3 {
  font-size: clamp(22px, 1.75vw, 31px);
  letter-spacing: -0.045em;
}
.skills-grid .skill-card p {
  max-width: 34em;
  color: var(--color-muted);
  line-height: 1.62;
}
.skill-card__meta {
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.skill-card__stack {
  flex-wrap: wrap;
  gap: 6px;
}
.skill-card__stack span {
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  padding: 0 7px;
  border: 1px solid var(--color-line-soft);
  color: var(--color-muted-2);
  background: var(--color-surface);
  font: 10px/1 var(--font-mono);
  letter-spacing: .06em;
}
.skills-grid .is-hidden {
  display: none;
}
.skills-grid.is-expanded .is-hidden {
  display: flex;
  animation: cardIn 520ms cubic-bezier(.22, 1, .36, 1) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.skill-card--control {
  cursor: pointer;
  color: var(--color-text);
  text-align: left;
  font: inherit;
  min-height: 318px;
}
.skill-card--control .skill-card__index {
  font-size: clamp(28px, 3vw, 48px);
  letter-spacing: -.04em;
}
.skill-card__control-title {
  display: block;
  font-size: clamp(23px, 1.8vw, 32px);
  letter-spacing: -0.045em;
  line-height: 1;
}
.skill-card__control-text {
  display: block;
  max-width: 18em;
  color: var(--color-muted);
  line-height: 1.55;
}
.skill-card__arrow {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line-strong);
  margin-top: auto;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.skill-card--control:hover .skill-card__arrow {
  transform: translateX(5px);
  color: var(--color-bg);
  background: var(--color-text);
  border-color: var(--color-text);
}

.skills-grid .skill-card.skill-card--collapse {
  display: none;
}

.skills-grid.is-expanded .skill-card.skill-card--collapse {
  display: flex;
  animation: cardIn 420ms cubic-bezier(.22, 1, .36, 1) both;
}

.skills-grid.is-expanded .skill-card.skill-card--more {
  display: none;
}

.skill-card--collapse:hover .skill-card__arrow {
  transform: translateX(-5px);
}

.skill-card--more {
  background:
    repeating-linear-gradient(135deg, transparent 0 12px, var(--color-line-soft) 12px 13px),
    color-mix(in oklab, var(--color-bg-elevated) 72%, transparent) !important;
}
.skill-card--more::after,
.skill-card--collapse::after {
  opacity: .72;
}

/* v06 — portfolio cards */
.projects__top {
  display: grid;
  grid-template-columns: minmax(260px, .8fr) minmax(320px, .75fr);
  gap: clamp(28px, 4vw, 70px);
  align-items: end;
  margin-bottom: 30px;
}
.projects__intro {
  color: var(--color-muted);
  line-height: 1.7;
}
.projects__intro p { margin: 0 0 16px; }
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}
.project-filter {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--color-line-soft);
  background: color-mix(in oklab, var(--color-bg-elevated) 72%, transparent);
  color: var(--color-muted);
  cursor: pointer;
  font: 11px/1 var(--font-mono);
  letter-spacing: .075em;
  text-transform: uppercase;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}
.project-filter:hover,
.project-filter.is-active {
  color: var(--color-text);
  border-color: var(--color-line-strong);
  background: var(--color-surface-strong);
}
.project-filter:hover { transform: translateY(-1px); }
.project-list {
  display: grid;
  gap: 12px;
}
.project-card {
  isolation: isolate;
  cursor: default;
  grid-template-columns: minmax(260px, .88fr) minmax(300px, 1.12fr);
  height: 296px;
}
.project-card.is-hidden { display: none; }
.project-list.is-expanded .project-card.is-hidden,
.project-list.is-filtered .project-card.is-hidden { display: grid; }
.project-card.is-filtered-out { display: none !important; }
.project-card--collapse {
  display: none;
  min-height: 132px;
  padding: 26px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  text-align: left;
  color: var(--color-text);
  cursor: pointer;
}
.project-list.is-expanded:not(.is-filtered) .project-card--collapse { display: grid; }
.project-card--collapse .project-card__index {
  font-family: var(--font-mono);
  color: var(--color-muted-2);
}
.project-card__control-title {
  display: block;
  font-size: clamp(24px, 2vw, 34px);
  letter-spacing: -.045em;
}
.project-card__control-text {
  display: block;
  margin-top: 8px;
  color: var(--color-muted);
}
.project-card__control-arrow {
  font-size: 26px;
  color: var(--color-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}
.project-card--collapse:hover .project-card__control-arrow {
  color: var(--color-text);
  transform: translateX(-5px);
}
.project-card__media {
  position: relative;
  min-height: 280px;
}
.project-media {
  position: relative;
  height: 100%;
  min-height: 256px;
  overflow: hidden;
  border: 1px solid var(--color-line-soft);
  background: var(--color-bg);
}
.project-media::after {
  display: none;
}
.project-media__image,
.project-media__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1);
  filter: none;
  transition: transform var(--transition-slow), filter var(--transition-slow);
}
.project-media__image[hidden],
.project-media__video[hidden] {
  display: none;
}
.project-card:hover .project-media__image,
.project-card:hover .project-media__video {
  transform: scale(1.04);
  filter: none;
}
/* .project-media::after removed */
.project-card.is-open .project-media__image,
.project-card.is-open .project-media__video {
  transform: scale(1.06);
  filter: none;
}
.project-media__controls {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 4;
  display: flex;
  gap: 8px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.project-card.is-open .project-media__controls,
.project-card:hover .project-media__controls {
  opacity: 1;
  transform: translateY(0);
}
.project-media__control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line-strong);
  background: color-mix(in oklab, var(--color-bg) 78%, transparent);
  color: var(--color-text);
  cursor: pointer;
  font: 16px/1 var(--font-mono);
  backdrop-filter: blur(14px);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.project-media__control:hover {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
  transform: translateY(-2px);
}
.project-media__label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line-strong);
  background: color-mix(in oklab, var(--color-bg) 72%, transparent);
  color: var(--color-text);
  font: 12px/1 var(--font-mono);
}
.project-media__sound {
  position: absolute;
  left: 66px;
  bottom: 14px;
  z-index: 4;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--color-line-strong);
  background: color-mix(in oklab, var(--color-bg) 72%, transparent);
  color: var(--color-text);
  cursor: pointer;
  font: 11px/1 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
}
.project-media__sound[hidden] {
  display: none;
}
.project-card__body { gap: 0; }
.project-card__meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  color: var(--color-muted-2);
  font: 11px/1.2 var(--font-mono);
  letter-spacing: .075em;
  text-transform: uppercase;
}
.project-card__meta-row time { white-space: nowrap; }
.project-card__summary { margin-top: 16px !important; }
.project-card__full {
  display: none;
  margin-top: 18px !important;
  color: var(--color-text-soft) !important;
}
.project-card__tools,
.project-gallery {
  display: none;
}
.project-card.is-open {
  grid-template-columns: minmax(240px, .88fr) minmax(300px, 1.12fr);
  height: auto;
  min-height: 460px;
  border-color: var(--color-line-strong);
  background: color-mix(in oklab, var(--color-bg-elevated) 92%, transparent);
}
.project-card.is-open .project-card__media {
  min-height: 340px;
}
.project-card.is-open .project-card__body { justify-content: start; padding-block: 26px; }
.project-card.is-open .project-card__summary { color: var(--color-muted); }
.project-card.is-open .project-card__full,
.project-card.is-open .project-card__tools,
.project-card.is-open .project-gallery { display: flex; }
.project-card__tools {
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.project-card__tools span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid var(--color-line-soft);
  color: var(--color-text-soft);
  background: var(--color-surface);
  font: 11px/1 var(--font-mono);
  letter-spacing: .04em;
}
.project-gallery {
  gap: 8px;
  margin-top: 18px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
  flex-wrap: nowrap;
}
.project-gallery__item {
  flex: 0 0 clamp(92px, 31%, 150px);
  padding: 0;
  border: 1px solid var(--color-line-soft);
  background: transparent;
  cursor: pointer;
  opacity: .72;
  transition: opacity var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.project-gallery__item:hover,
.project-gallery__item.is-active {
  opacity: 1;
  border-color: var(--color-text);
  transform: translateY(-2px);
}
.project-gallery__item img,
.project-gallery__video-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 1.55;
  object-fit: contain;
  filter: saturate(1) brightness(.95) contrast(1.04);
}
.project-gallery__video-thumb {
  display: grid;
  place-items: center;
  color: var(--color-text-soft);
  background:
    linear-gradient(135deg, transparent 0 48%, var(--color-line-soft) 49% 50%, transparent 51%),
    var(--color-surface);
  font: 11px/1 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.project-card__toggle {
  align-self: flex-start;
  margin-top: 24px;
  padding: 0 0 8px;
  border: 0;
  border-bottom: 1px solid var(--color-line-strong);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  font: 12px/1 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.project-card__toggle span {
  display: inline-block;
  margin-left: 10px;
  transition: transform var(--transition-fast);
}
.project-card__toggle:hover span { transform: translateX(5px); }
.project-card.is-open .project-card__toggle:hover span { transform: translateY(-3px); }
.projects__more[hidden] { display: none; }

/* v07 — contact items and refined read-more states */
.contact-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line-soft);
}
.contact-list a,
.contact-list p,
.contact-list .contact-item {
  margin: 0;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-line-soft);
}
.contact-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(88px, .35fr) 1fr auto;
  gap: 18px;
  align-items: center;
  color: var(--color-muted);
  transition: color var(--transition-fast), padding-left var(--transition), border-color var(--transition-fast);
}
.contact-item:hover {
  color: var(--color-text);
  padding-left: 10px;
  border-bottom-color: var(--color-line-strong);
}
.contact-item--static:hover {
  padding-left: 0;
  color: var(--color-muted);
  border-bottom-color: var(--color-line-soft);
}
.contact-item__label {
  font: 11px/1.3 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-muted-2);
}
.contact-item__value {
  color: currentColor;
  overflow-wrap: anywhere;
}
.contact-item__arrow {
  font-family: var(--font-mono);
  transition: transform var(--transition);
}
.contact-item:hover .contact-item__arrow { transform: translateX(6px); }
.read-more__extra {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  margin: 0 !important;
  overflow: hidden;
  transition: grid-template-rows var(--transition-slow), opacity var(--transition-slow), margin var(--transition-slow);
}
.read-more__extra > * { min-height: 0; }
.is-expanded .read-more__extra {
  display: block;
  opacity: 1;
  margin-bottom: 22px !important;
}

/* v07 correction — smooth text expansion */
.read-more__extra {
  display: block;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), opacity var(--transition-slow), margin var(--transition-slow);
}
.is-expanded .read-more__extra {
  max-height: 420px;
  opacity: 1;
}

/* v09 release — mobile navigation */
.menu-toggle {
  display: none;
  width: 42px;
  height: 34px;
  place-items: center;
  gap: 5px;
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.menu-toggle span {
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle:hover { border-color: var(--color-line-strong); background: var(--color-surface); transform: translateY(-1px); }
.site-body.is-menu-open { overflow: hidden; }
.site-body.is-menu-open .menu-toggle span:first-child { transform: translateY(3px) rotate(45deg); }
.site-body.is-menu-open .menu-toggle span:last-child { transform: translateY(-3px) rotate(-45deg); }

@media (max-width: 920px) {
  .site-header { padding-inline: 18px; }
  .menu-toggle { display: grid; }
  .site-header.is-at-top:not(.is-scrolled) .menu-toggle {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .site-nav {
    position: fixed;
    inset: calc(var(--header-height) - 1px) 12px auto 12px;
    z-index: 49;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--color-line);
    background: color-mix(in oklab, var(--color-bg) 94%, transparent);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity var(--transition), transform var(--transition), border-color var(--transition), background var(--transition);
  }
  .site-body.is-menu-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .site-nav__link {
    display: flex;
    align-items: center;
    min-height: 52px;
    padding: 0 14px;
    border-bottom: 1px solid var(--color-line-soft);
  }
  .site-nav__link:last-child { border-bottom: 0; }
  .site-nav__link::after { bottom: 0; }
  .site-header.is-at-top:not(.is-scrolled) .site-nav {
    pointer-events: none;
  }
  .site-body.is-menu-open .site-header.is-at-top:not(.is-scrolled) .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}