/* ============ Components ============ */

/* ---- Floating pill nav ---- */
.site-header {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  z-index: 50;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.site-header__inner {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  width: 100%;
  max-width: var(--container-max);
  height: var(--nav-height);
  padding-inline: var(--space-4) var(--space-3);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: box-shadow var(--motion-base) var(--ease-out);
}

.site-header.is-scrolled .site-header__inner {
  box-shadow: var(--shadow-nav);
}

.site-header__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: 0.08em;
}

.site-header__logo:hover {
  text-decoration: none;
  color: var(--color-accent);
}

.site-header__nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

.site-header__nav a:not(.button) {
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--color-text-primary);
  text-decoration: none;
}

.site-header__nav a:not(.button):hover {
  color: var(--color-accent);
}

.site-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
}

.site-header__menu {
  position: absolute;
  top: calc(var(--nav-height) + 8px);
  left: 0;
  right: 0;
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-nav);
}

.site-header__menu.is-open {
  display: flex;
}

.site-header__menu a {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
}

.site-header__menu a:hover {
  background: var(--color-ink-wash);
  color: var(--color-accent);
}

@media (min-width: 768px) {
  .site-header__nav {
    display: flex;
  }
  .site-header__toggle,
  .site-header__menu {
    display: none !important;
  }
}

/* ---- Buttons ---- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out),
    transform var(--motion-fast) var(--ease-out);
}

.button:active {
  transform: translateY(1px);
}

.button--primary {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}

.button--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  text-decoration: none;
  transform: translateY(-1px);
}

.button--ghost {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-text-primary);
}

.button--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  transform: translateY(-1px);
}

.button--small {
  min-height: 40px;
  padding: 0 var(--space-4);
  font-size: var(--text-caption);
}

/* ---- Hero ---- */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-16);
  position: relative;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg-elevated);
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--color-text-secondary);
  width: fit-content;
}

.hero__eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.hero__name {
  font-family: var(--font-display);
  font-size: var(--text-name);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  color: var(--color-text-primary);
  margin-block: var(--space-6) var(--space-6);
}

.hero__h1 {
  margin-bottom: var(--space-6);
  max-width: 18ch;
}

.hero__sub {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: 56ch;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .hero__content {
    grid-column: 1 / -1;
  }
}

/* Entrance animation */
@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__eyebrow,
.hero__name,
.hero__h1,
.hero__sub,
.hero__cta,
.hero__stats {
  animation: rise-in 600ms var(--ease-out) both;
}

.hero__name { animation-delay: 80ms; }
.hero__h1 { animation-delay: 160ms; }
.hero__sub { animation-delay: 240ms; }
.hero__cta { animation-delay: 320ms; }
.hero__stats { animation-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .hero__eyebrow, .hero__name, .hero__h1, .hero__sub, .hero__cta, .hero__stats {
    animation: none;
  }
}

/* Stats bar */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6) var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  max-width: 720px;
}

.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-accent);
}

.stat__num .suffix {
  font-size: 0.55em;
  margin-left: 2px;
}

.stat__label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .hero__stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---- Work cards (asymmetric stack) ---- */
.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .work-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .card--wide {
    grid-column: span 8;
  }
  .card--narrow {
    grid-column: span 4;
  }
}

.work-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--motion-base) var(--ease-out),
    transform var(--motion-base) var(--ease-out),
    box-shadow var(--motion-base) var(--ease-out);
}

.work-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.work-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-ink-wash);
}

.work-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--motion-slow) var(--ease-out);
}

.work-card:hover .work-card__media img {
  transform: scale(1.03);
}

.work-card__body {
  padding: var(--space-6) var(--space-8) var(--space-8);
}

.work-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.tag-pill {
  display: inline-block;
  padding: 2px var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  background: var(--color-bg-primary);
}

.work-card__title {
  margin-bottom: var(--space-3);
}

.work-card__desc {
  color: var(--color-text-secondary);
  max-width: 65ch;
  margin-bottom: var(--space-4);
}

.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}

.proof-row span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
}

.proof-row span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---- Gallery strip ---- */
.gallery {
  margin-top: var(--space-12);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .gallery__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.gallery__item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  transition: transform var(--motion-base) var(--ease-out),
    box-shadow var(--motion-base) var(--ease-out);
}

.gallery__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.gallery__item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---- Bento capabilities ---- */
.bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .bento {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .bento {
    grid-template-columns: repeat(4, 1fr);
  }
  .bento__cell--wide {
    grid-column: span 2;
  }
}

.bento__cell {
  padding: var(--space-6);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  transition: border-color var(--motion-base) var(--ease-out);
}

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

.bento__cell h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.bento__cell p {
  font-size: var(--text-caption);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.bento__cell--flow {
  background: var(--color-accent-muted);
  border-color: transparent;
}

.flow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.flow-steps span {
  padding: 2px var(--space-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-caption);
  color: var(--color-text-primary);
}

/* ---- Experience timeline ---- */
.timeline {
  max-width: 860px;
}

.timeline__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .timeline__item {
    grid-template-columns: 160px 1fr;
    gap: var(--space-8);
  }
}

.timeline__period {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  padding-top: 4px;
  white-space: nowrap;
}

.timeline__role {
  margin-bottom: var(--space-1);
}

.timeline__role .company {
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-weight: 500;
}

.timeline__role .title-tag {
  display: inline-block;
  margin-left: var(--space-2);
  padding: 1px var(--space-2);
  background: var(--color-accent-muted);
  color: var(--color-accent);
  border-radius: 4px;
  font-size: var(--text-caption);
  font-weight: 600;
}

.timeline__desc {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  max-width: 60ch;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1.6fr 1fr;
  }
}

.about__text p {
  margin-bottom: var(--space-6);
  max-width: 65ch;
  color: var(--color-text-secondary);
}

.about__quote {
  padding: var(--space-6);
  background: var(--color-accent-muted);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-body-lg);
  line-height: 1.7;
  color: var(--color-text-primary);
}

.skill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-content: start;
}

.skill-cloud .tag-pill {
  background: var(--color-bg-elevated);
}

/* ---- Contact ---- */
.contact-card {
  max-width: 780px;
  margin-inline: auto;
  padding: var(--space-12) var(--space-16);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-12);
  align-items: center;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-8);
}

.contact-line {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.contact-line__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1.5px solid var(--color-text-primary);
  border-radius: 50%;
  color: var(--color-text-primary);
  transition: border-color var(--motion-fast) var(--ease-out),
    color var(--motion-fast) var(--ease-out);
}

.contact-line:hover .contact-line__icon {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.contact-line__value {
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-text-primary);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: color var(--motion-fast) var(--ease-out);
}

a.contact-line__value:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.contact-qr {
  margin: 0;
  text-align: center;
}

.contact-qr img {
  display: block;
  width: min(136px, 34vw);
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.contact-qr figcaption {
  margin-top: var(--space-2);
  font-size: var(--text-caption);
  line-height: 1.6;
  color: var(--color-text-tertiary);
}

@media (max-width: 640px) {
  .contact-card {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: var(--space-10);
    padding: var(--space-10) var(--space-6);
  }
  .contact-list {
    justify-self: start;
  }
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-bg-secondary);
  padding-block: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-footer__logo {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.site-footer__meta {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
}

.site-footer a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-accent);
}

/* ---- Work category pages ---- */
.cat-hero {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-10);
  max-width: 860px;
}

.cat-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--motion-fast) var(--ease-out);
}

.cat-back:hover {
  color: var(--color-accent);
}

.cat-hero h1 {
  font-size: var(--text-display);
  margin-block: var(--space-3) var(--space-4);
}

.cat-hero__sub {
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 56ch;
}

.cat-count {
  display: inline-block;
  margin-top: var(--space-4);
  padding: 2px var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg-elevated);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
}

.cat-main {
  padding-bottom: var(--space-20);
}

.work-list {
  display: grid;
  gap: var(--space-8);
}

.work-row {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--motion-base) var(--ease-out),
    box-shadow var(--motion-base) var(--ease-out);
}

.work-row:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.work-row__media {
  background: var(--color-ink-wash);
}

.work-row__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.work-row__body {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-3);
}

.work-row__body h3 {
  font-size: var(--text-h3);
}

.work-row__desc {
  color: var(--color-text-secondary);
}

@media (min-width: 880px) {
  .work-row {
    grid-template-columns: minmax(0, 44%) 1fr;
  }
  .work-row__media img {
    height: 100%;
  }
}

.cat-extra {
  margin-top: var(--space-16);
}

.cat-extra h2 {
  font-size: var(--text-h2);
  margin-bottom: var(--space-6);
}

.extra-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-6);
}

.extra-list li {
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.extra-list h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.extra-list p {
  color: var(--color-text-secondary);
}

.cat-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.cat-nav a {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--motion-fast) var(--ease-out);
}

.cat-nav a:hover {
  color: var(--color-accent);
}

/* 可点击的作品卡 / 领域格 / 长廊图 */
a.work-card,
a.bento__cell,
a.gallery__item {
  color: inherit;
  text-decoration: none;
}

.work-card__more {
  margin-top: var(--space-2);
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--color-accent);
}

.cat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.cat-chips a {
  padding: 6px var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg-elevated);
  font-size: var(--text-caption);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: border-color var(--motion-fast) var(--ease-out),
    color var(--motion-fast) var(--ease-out);
}

.cat-chips a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.cat-hero .overline {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}