:root {
  color-scheme: light;
  --paper: #f5efe3;
  --paper-soft: #fbf8f0;
  --ink: #201a16;
  --muted: #6f6459;
  --line: rgba(77, 62, 48, 0.18);
  --deep: #283d36;
  --sage: #738876;
  --celadon: #c4d0bc;
  --gold: #b79458;
  --cinnabar: #8d3d2e;
  --shadow: 0 24px 70px rgba(52, 39, 29, 0.16);
  --radius: 8px;
  --max: 1180px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --sans: "Inter", "Avenir Next", "Segoe UI", "Microsoft YaHei", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #171815;
  --paper-soft: #20211d;
  --ink: #f0eadc;
  --muted: #b6aa99;
  --line: rgba(240, 234, 220, 0.18);
  --deep: #d5ddc9;
  --sage: #a8b69f;
  --celadon: #314238;
  --gold: #d0ad6d;
  --cinnabar: #d98977;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(196, 208, 188, 0.35), transparent 34rem),
    linear-gradient(180deg, var(--paper-soft), var(--paper));
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.36;
  background-image:
    linear-gradient(rgba(100, 82, 58, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 82, 58, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

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

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-150%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
  padding: 0.55rem 0.75rem;
  transition: transform 180ms ease;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 2.4rem);
  color: #fff8ec;
  transition:
    background 220ms ease,
    color 220ms ease,
    border-color 220ms ease,
    backdrop-filter 220ms ease;
}

.site-header.is-scrolled {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-soft) 84%, transparent);
  color: var(--ink);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 1.1rem;
  line-height: 1;
}

.brand-text {
  overflow: hidden;
  max-width: 16rem;
  font-family: var(--serif);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(0.7rem, 2vw, 1.4rem);
  font-size: 0.92rem;
}

.site-nav a {
  position: relative;
  padding: 0.4rem 0.1rem;
  opacity: 0.88;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.24rem;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.icon-button {
  display: grid;
  width: 2.45rem;
  height: 2.45rem;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
}

.hero {
  position: relative;
  display: grid;
  min-height: 88vh;
  min-height: 88svh;
  overflow: hidden;
  color: #fff8ec;
  isolation: isolate;
}

.hero-media,
.hero-media img,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% 50%;
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(20, 19, 14, 0.76) 0%, rgba(36, 32, 23, 0.44) 43%, rgba(45, 37, 28, 0.1) 100%),
    linear-gradient(0deg, rgba(25, 22, 16, 0.5), transparent 42%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(100% - 2rem, var(--max));
  min-height: 88vh;
  min-height: 88svh;
  margin: 0 auto;
  padding: clamp(7rem, 17vh, 10rem) 0 clamp(7rem, 15vh, 9rem);
  flex-direction: column;
  justify-content: flex-start;
}

.eyebrow,
.section-label {
  color: var(--gold);
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 1.25rem 0 1rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 6.4vw, 6rem);
  font-weight: 700;
  line-height: 1.04;
  text-wrap: balance;
}

.hero-lede {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 248, 236, 0.9);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.55vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 248, 236, 0.62);
  border-radius: var(--radius);
  padding: 0.65rem 1rem;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  border-color: #fff8ec;
  background: #fff8ec;
  color: #241e18;
}

.button.ghost {
  background: rgba(255, 248, 236, 0.08);
  color: #fff8ec;
  backdrop-filter: blur(10px);
}

.hero-card {
  position: absolute;
  right: clamp(1rem, 4vw, 4rem);
  bottom: clamp(1rem, 5vw, 4rem);
  z-index: 2;
  width: min(23rem, calc(100% - 2rem));
  border: 1px solid rgba(255, 248, 236, 0.28);
  border-radius: var(--radius);
  background: rgba(32, 27, 20, 0.42);
  padding: 1rem;
  backdrop-filter: blur(18px);
}

.hero-card p,
.hero-card strong,
.hero-card span {
  display: block;
  margin: 0;
}

.hero-card p {
  color: rgba(255, 248, 236, 0.7);
  font-size: 0.82rem;
}

.hero-card strong {
  margin-top: 0.24rem;
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.55;
}

.hero-card span {
  margin-top: 0.6rem;
  color: rgba(255, 248, 236, 0.72);
  font-size: 0.82rem;
}

.section {
  display: grid;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
  gap: clamp(1.4rem, 3vw, 3rem);
}

.intro,
.philosophy {
  grid-template-columns: 0.62fr 1.45fr 1fr;
  align-items: start;
}

.intro-copy h2,
.section-heading h2,
.philosophy h2,
.contact h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1.1;
  text-wrap: balance;
}

.intro-copy p,
.section-heading p,
.philosophy p,
.contact p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.04rem;
}

.signature-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
}

.signature-list div {
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.signature-list dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.signature-list dd {
  margin: 0.15rem 0 0;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
}

.philosophy {
  width: 100%;
  max-width: none;
  margin: 0;
  background:
    linear-gradient(90deg, rgba(196, 208, 188, 0.25), transparent),
    color-mix(in srgb, var(--paper-soft) 86%, var(--celadon));
  padding-right: max(1rem, calc((100vw - var(--max)) / 2));
  padding-left: max(1rem, calc((100vw - var(--max)) / 2));
}

.principle-grid {
  display: grid;
  gap: 0.8rem;
}

.principle-grid article,
.work-card,
.note-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--paper-soft) 86%, transparent);
  box-shadow: var(--shadow);
}

.principle-grid article {
  padding: 1rem;
}

.principle-grid span,
.timeline-date,
.work-type,
.note-meta {
  color: var(--cinnabar);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.principle-grid h3,
.work-card h3,
.note-card h3 {
  margin: 0.45rem 0 0;
  font-family: var(--serif);
  font-size: 1.24rem;
}

.principle-grid p,
.work-card p,
.note-card p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.inquiry,
.works,
.notes,
.contact {
  grid-template-columns: 0.62fr 2.45fr;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.2rem;
}

.section-heading h2 {
  font-size: clamp(2rem, 3.8vw, 3.6rem);
}

.section-heading p {
  max-width: 24rem;
  text-align: right;
}

.timeline {
  display: grid;
  gap: 1rem;
  grid-column: 2;
}

.timeline-item {
  display: grid;
  grid-template-columns: minmax(7rem, 0.35fr) 1fr;
  gap: clamp(1rem, 3vw, 2.6rem);
  border-bottom: 1px solid var(--line);
  padding: 0 0 1.4rem;
}

.timeline-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.42rem;
}

.timeline-item p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.work-grid,
.note-grid,
.contact-panel {
  grid-column: 2;
}

.work-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.work-card {
  display: flex;
  min-height: 20rem;
  padding: 1.1rem;
  flex-direction: column;
}

.work-card h3 {
  margin-top: 0.7rem;
}

.work-card footer {
  display: flex;
  margin-top: auto;
  padding-top: 1.5rem;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.86rem;
}

.work-card a {
  color: var(--deep);
  font-weight: 800;
}

.note-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.note-card {
  padding: 1.1rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 2rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(1.4rem, 4vw, 3rem) 0;
}

.contact-links {
  display: grid;
  gap: 0.7rem;
  align-content: center;
}

.contact-links a {
  display: flex;
  min-height: 3.3rem;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.65rem 0.85rem;
  background: color-mix(in srgb, var(--paper-soft) 72%, transparent);
  font-weight: 800;
}

.contact-links a span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 500;
}

.site-footer {
  display: flex;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 2rem 0 2.6rem;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .site-nav {
    order: 3;
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .icon-button {
    justify-self: end;
  }

  .hero {
    min-height: 92vh;
    min-height: 92svh;
  }

  .hero-inner {
    min-height: 92vh;
    min-height: 92svh;
    padding-top: clamp(8rem, 19vh, 10rem);
    padding-bottom: 12rem;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 11vw, 4.8rem);
  }

  .intro,
  .philosophy,
  .inquiry,
  .works,
  .notes,
  .contact,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .timeline,
  .work-grid,
  .note-grid,
  .contact-panel {
    grid-column: 1;
  }

  .section-heading {
    display: block;
  }

  .section-heading p {
    text-align: left;
  }

  .work-grid,
  .note-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 0.8rem 1rem;
  }

  .brand-text {
    max-width: 9rem;
  }

  .site-nav {
    gap: 0.85rem;
    font-size: 0.86rem;
  }

  .hero-inner {
    width: min(100% - 1.4rem, var(--max));
  }

  .hero-lede {
    font-size: 1rem;
  }

  .button {
    flex: 1 1 9rem;
  }

  .hero-card {
    right: 0.7rem;
    bottom: 0.7rem;
    left: 0.7rem;
    width: auto;
  }

  .section {
    width: min(100% - 1.4rem, var(--max));
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .site-footer {
    display: grid;
    width: min(100% - 1.4rem, var(--max));
  }
}

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

@media print {
  .site-header,
  .hero-actions,
  .icon-button {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .hero {
    min-height: auto;
    color: #000;
  }

  .hero-media,
  .hero-shade {
    display: none;
  }

  .hero-inner {
    padding: 2rem 0;
  }
}