:root {
  --paper: #f3efe5;
  --paper-deep: #e9e1d2;
  --ink: #1b2926;
  --muted: #6d746f;
  --line: rgba(27, 41, 38, 0.18);
  --accent: #c45133;
  --accent-soft: #df9472;
  --blue: #3f6670;
  --serif: "Noto Serif TC", serif;
  --sans: "DM Sans", "Noto Sans TC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 6%, rgba(196, 81, 51, 0.08), transparent 24rem),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
  content: "";
  pointer-events: none;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.shell {
  width: min(1180px, calc(100% - 3rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(243, 239, 229, 0.9);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  align-items: center;
  min-height: 5rem;
}

.wordmark {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
}

.wordmark-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  color: var(--paper);
  background: var(--ink);
  place-items: center;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin-left: auto;
  font-size: 0.86rem;
  font-weight: 600;
}

.nav-links a {
  position: relative;
}

.nav-links a:not(.business-link)::after {
  position: absolute;
  right: 0;
  bottom: -0.25rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.business-link {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
}

.menu-button {
  display: none;
  width: 2.8rem;
  height: 2.8rem;
  padding: 0;
  margin-left: auto;
  border: 0;
  background: transparent;
}

.menu-button span:not(.sr-only) {
  display: block;
  width: 1.5rem;
  height: 1px;
  margin: 0.38rem auto;
  background: var(--ink);
  transition: transform 180ms ease;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  min-height: calc(100vh - 5rem);
  padding-block: 5rem 7rem;
}

.eyebrow,
.section-index,
.timeline-kicker,
.project-number {
  margin: 0 0 1.5rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.hero h1,
.section-heading h2,
.manifesto h2,
.now h2,
.contact h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.035em;
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(2.7rem, 6vw, 5.4rem);
}

.hero h1 span {
  position: relative;
  color: var(--accent);
  white-space: nowrap;
}

.hero h1 span::after {
  position: absolute;
  right: 0;
  bottom: 0.05em;
  left: 0;
  height: 0.12em;
  background: var(--accent-soft);
  content: "";
  opacity: 0.45;
  transform: rotate(-1deg);
}

.hero-lead {
  max-width: 680px;
  margin: 2.25rem 0;
  color: #4e5955;
  font-family: var(--serif);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.text-link {
  padding-bottom: 0.18rem;
  border-bottom: 1px solid currentColor;
  font-weight: 600;
}

.text-link.muted {
  color: var(--muted);
}

.portrait {
  margin: 0;
}

.portrait-frame {
  position: relative;
  padding: 0.85rem;
  background: #d7c8b6;
  transform: rotate(1.5deg);
}

.portrait-frame::before {
  position: absolute;
  top: -1rem;
  left: 50%;
  width: 5.5rem;
  height: 2rem;
  background: rgba(224, 205, 169, 0.78);
  content: "";
  transform: translateX(-50%) rotate(-3deg);
}

.portrait-frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.8) contrast(0.96);
}

.portrait figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manifesto {
  padding-block: 8rem;
  color: #f5f0e7;
  background: var(--ink);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 0.35fr 1.65fr;
  gap: 3rem;
}

.manifesto .section-index {
  color: #db9c82;
}

.manifesto h2,
.section-heading h2,
.now h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.prose-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  margin-top: 3rem;
  color: #bec7c2;
}

.prose-columns p {
  margin: 0;
}

blockquote {
  padding: 2.5rem 0 0 2rem;
  margin: 4rem 0 0;
  border-left: 2px solid var(--accent-soft);
  color: #f1c3ad;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  line-height: 1.7;
}

.journey {
  padding-block: 9rem;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.45fr 1.3fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 5rem;
}

.section-heading .section-index {
  margin-top: 0.7rem;
}

.timeline {
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline > li {
  display: grid;
  grid-template-columns: 0.45fr 1.3fr;
  gap: 2rem;
  padding-block: 4rem;
  border-top: 1px solid var(--line);
}

.timeline-period {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.timeline-body h3 {
  margin: 0 0 2.5rem;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.35;
}

.timeline-body article {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 2rem;
  padding: 1.5rem 0;
  border-top: 1px dashed var(--line);
}

.timeline-body article > p {
  grid-column: 1 / -1;
  max-width: 720px;
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.timeline-body h4,
.timeline-body .company {
  margin: 0;
}

.timeline-body h4 {
  font-size: 1.05rem;
}

.company,
.timeline-body time {
  color: var(--muted);
  font-size: 0.82rem;
}

.compact-roles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.compact-roles p {
  padding: 1rem;
  margin: 0;
  border: 1px solid var(--line);
}

.compact-roles strong,
.compact-roles span {
  display: block;
}

.compact-roles span {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.work {
  padding-block: 9rem;
  background: var(--paper-deep);
}

.work-heading {
  grid-template-columns: 0.45fr 1fr 0.7fr;
}

.work-heading > p:last-child {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.project-list {
  display: grid;
  gap: 8rem;
}

.project {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
}

.project.reverse .project-image {
  order: 2;
}

.project-image {
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 20px 50px rgba(55, 45, 36, 0.1);
}

.project-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.82);
  transition: filter 240ms ease, transform 240ms ease;
}

.project:hover img {
  filter: saturate(1);
  transform: scale(1.012);
}

.project-copy h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.project-copy > p:not(.project-number) {
  color: var(--muted);
}

.project-copy ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 1.5rem 0 0;
  list-style: none;
}

.project-copy li {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.now {
  padding-block: 9rem;
}

.now-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 5rem;
}

.now-grid ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.now-grid li {
  display: flex;
  gap: 1.5rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.05rem;
}

.now-grid li span {
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.72rem;
}

.contact {
  padding-block: 8rem;
  color: #f5f0e7;
  background: var(--blue);
}

.contact .section-index {
  color: #e9b49d;
}

.contact h2 {
  max-width: 900px;
  font-size: clamp(2.1rem, 5vw, 4.5rem);
}

.mail-link {
  display: inline-flex;
  gap: 1rem;
  align-items: center;
  margin-top: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  font-family: var(--serif);
  font-size: clamp(1rem, 2.5vw, 1.6rem);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 5rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2.5rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer p {
  margin: 0;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 820px) {
  .shell {
    width: min(100% - 2rem, 680px);
  }

  .menu-button {
    display: block;
  }

  .menu-button[aria-expanded="true"] span:nth-of-type(2) {
    transform: translateY(3.5px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:nth-of-type(3) {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .nav-links {
    position: absolute;
    top: 5rem;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    padding: 1rem;
    margin: 0;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .nav-links.open {
    display: grid;
  }

  .nav-links a {
    padding: 0.8rem;
  }

  .hero,
  .manifesto-grid,
  .section-heading,
  .timeline > li,
  .work-heading,
  .now-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 4rem;
    min-height: auto;
    padding-block: 4rem 6rem;
  }

  .portrait {
    max-width: 520px;
  }

  .manifesto,
  .journey,
  .work,
  .now,
  .contact {
    padding-block: 6rem;
  }

  .prose-columns {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .section-heading,
  .work-heading {
    gap: 0.5rem;
    margin-bottom: 3rem;
  }

  .timeline > li {
    gap: 1.5rem;
  }

  .project,
  .project.reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .project.reverse .project-image {
    order: initial;
  }

  .project-list {
    gap: 6rem;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.5rem);
  }

  .portrait figcaption,
  .footer {
    flex-direction: column;
  }

  .compact-roles {
    grid-template-columns: 1fr;
  }

  .timeline-body article {
    grid-template-columns: 1fr;
  }

  .timeline-body time {
    margin-top: 0.3rem;
  }

  blockquote {
    padding-left: 1.25rem;
  }
}