@charset "UTF-8";

:root {
  --paper: #f2efe8;
  --paper-deep: #e7e1d6;
  --ink: #171716;
  --muted: #6d6961;
  --line: rgba(23, 23, 22, .18);
  --orange: #d85b2c;
  --blue: #38475d;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --gutter: clamp(1.25rem, 3.2vw, 3.75rem);
  --content-max: 70rem;
  --scroll-progress: 0;
  --hero-exit: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button { color: inherit; font: inherit; }
::selection { background: var(--ink); color: var(--paper); }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 5px; }

.skip-link {
  position: fixed; z-index: 100; top: 1rem; left: 1rem; padding: .65rem 1rem;
  background: var(--ink); color: white; transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

.site-header {
  position: fixed; z-index: 20; top: 0; left: 0; width: 100%; height: 4.4rem;
  display: flex; align-items: center; justify-content: space-between;
  padding-inline: max(var(--gutter), calc((100% - var(--content-max)) / 2 + var(--gutter)));
  border-bottom: 1px solid transparent; transition: background .3s, border-color .3s, opacity .55s var(--ease), transform .55s var(--ease);
}
.site-header.is-scrolled { background: rgba(242,239,232,.9); border-color: var(--line); backdrop-filter: blur(14px); }
.scroll-progress { position: absolute; left: 0; bottom: -1px; width: 100%; height: 1px; background: var(--orange); transform: scaleX(var(--scroll-progress)); transform-origin: left; will-change: transform; }
.brand { display: flex; align-items: center; text-decoration: none; line-height: 0; }
.brand-logo {
  display: block;
  width: auto;
  height: clamp(1.05rem, 1.8vw, 1.28rem);
  transition: opacity .35s var(--ease), transform .55s var(--ease);
}
.brand-logo--on-dark { display: none; }
.site-header.is-scrolled .brand-logo { transform: translateY(-1px); }

/* Dark surfaces: swap to the light wordmark */
.site-header.is-on-dark .brand-logo--on-light,
[data-theme="dark"] .brand-logo--on-light { display: none; }
.site-header.is-on-dark .brand-logo--on-dark,
[data-theme="dark"] .brand-logo--on-dark { display: block; }
.site-nav { display: flex; gap: clamp(1.5rem, 3.2vw, 3.75rem); }
.site-nav a { position: relative; text-decoration: none; font-size: .72rem; letter-spacing: .08em; }
.site-nav a::after { content: ""; position: absolute; left: 0; bottom: -.5rem; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle, .mobile-nav { display: none; }

.hero {
  width: min(100%, var(--content-max));
  min-height: 80svh;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 43%) minmax(0, 57%);
  gap: clamp(1rem, 2vw, 2.25rem);
  padding: 4.4rem var(--gutter) 1.35rem;
  position: relative;
  transform: translate3d(0, calc(var(--hero-exit) * -18px), 0) scale(calc(1 - var(--hero-exit) * .018));
  transform-origin: center top;
  opacity: calc(1 - var(--hero-exit) * .18);
  transition: transform .45s var(--ease), opacity .45s var(--ease);
  will-change: transform, opacity;
}
.hero-copy { align-self: center; position: relative; z-index: 2; padding: 1.85rem 1.25rem 2.35rem 0; }
.eyebrow { margin: 0; text-transform: uppercase; font-size: .62rem; font-weight: 600; letter-spacing: .16em; }
.hero-copy > .eyebrow { display: flex; gap: 2.5rem; margin-bottom: clamp(1.4rem, 3.4vh, 2.75rem); }
h1, h2 { margin: 0; font-weight: 400; letter-spacing: -.055em; line-height: .9; }
h1 { font-size: clamp(3.05rem, 5vw, 6.2rem); }
h1 em, h2 em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.title-line { display: block; white-space: nowrap; }
.hero-intro { margin-top: clamp(1.65rem, 3.8vh, 3.15rem); display: flex; align-items: flex-end; justify-content: space-between; gap: 1.75rem; flex-wrap: wrap; }
.hero-intro p { margin: 0; max-width: 22rem; color: var(--muted); font-size: clamp(.84rem, .9vw, .98rem); line-height: 1.75; }
.text-link { width: fit-content; display: inline-flex; justify-content: space-between; gap: 1.8rem; padding-bottom: .45rem; border-bottom: 1px solid; text-decoration: none; font-size: .7rem; text-transform: uppercase; letter-spacing: .09em; }
.text-link span { transition: transform .35s var(--ease); }
.text-link:hover span, .text-link:focus-visible span { transform: translate(4px, 4px); }

.hero-space {
  position: relative;
  overflow: visible;
  min-height: calc(80svh - 5.5rem);
  background: transparent;
  perspective: 1120px;
  transform-style: preserve-3d;
  isolation: isolate;
  transform: translate3d(0, calc(var(--hero-exit) * 28px), 0);
  transition: transform .55s var(--ease);
}
.hero-space::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: -2% -3% -2% -14%;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 34% 17%, rgba(255,250,236,.72), transparent 44%),
    linear-gradient(160deg, rgba(227,221,210,.1) 0%, #d4cfc4 51%, #c8c2b6 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, rgba(0,0,0,.28) 10%, #000 25%);
  mask-image: linear-gradient(90deg, transparent 0, rgba(0,0,0,.28) 10%, #000 25%);
  transform: translate3d(calc(var(--mx, 0) * -4px), calc(var(--my, 0) * -3px), -80px) scale(1.035);
  transition: transform 1.15s var(--ease);
  will-change: transform;
}
.hero-space::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -1% -2% -2% -8%;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 58%, rgba(23,23,22,.08)),
    linear-gradient(112deg, rgba(255,250,236,.24), transparent 34%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 24%);
  mask-image: linear-gradient(90deg, transparent 0, #000 24%);
  opacity: calc(.35 + var(--hero-exit) * .45);
  transform: translate3d(calc(var(--mx, 0) * -7px), calc(var(--my, 0) * -4px), -34px);
  transition: transform 1s var(--ease), opacity .55s var(--ease);
  will-change: transform;
}
.architectural-grid {
  position: absolute; z-index: -1; inset: -2% -3% -2% -12%; opacity: .36;
  background:
    linear-gradient(112deg, transparent 0 47%, rgba(23,23,22,.16) 47.1% 47.25%, transparent 47.4%),
    linear-gradient(14deg, transparent 0 58%, rgba(23,23,22,.11) 58.1% 58.25%, transparent 58.4%),
    repeating-linear-gradient(90deg, transparent 0 24.8%, rgba(23,23,22,.1) 25% 25.15%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, rgba(0,0,0,.32) 13%, #000 28%);
  mask-image: linear-gradient(90deg, transparent 0, rgba(0,0,0,.32) 13%, #000 28%);
  transform: translate3d(calc(var(--mx, 0) * -11px), calc(var(--my, 0) * -6px), -18px) scale(1.025);
  transition: transform 1.05s var(--ease);
  will-change: transform;
}
.sun-wash {
  position: absolute; z-index: 0; inset: -1% -2% -1% -9%;
  background:
    linear-gradient(124deg, rgba(255,250,236,.95) 0 15%, transparent 40%),
    linear-gradient(18deg, transparent 0 58%, rgba(255,248,230,.55) 58.1% 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 27%);
  mask-image: linear-gradient(90deg, transparent 0, #000 27%);
  mix-blend-mode: screen;
  transform: translate3d(calc(var(--mx, 0) * 7px), calc(var(--my, 0) * 5px), 8px);
  transition: transform 1s var(--ease);
  will-change: transform;
}
.portal {
  position: absolute; z-index: 1; width: 47%; height: 64%; top: 18%; left: 28%;
  border: 1px solid rgba(23,23,22,.22); border-bottom: 0;
  background: rgba(245,241,230,.22);
  box-shadow: inset 0 0 4.5rem rgba(255,250,236,.38), 1.5rem 2.5rem 4.5rem rgba(74,69,61,.12);
  transform-style: preserve-3d;
  transform: perspective(1050px) rotateX(calc(var(--my, 0) * -1.8deg)) rotateY(calc(var(--mx, 0) * 4deg)) translate3d(calc(var(--mx, 0) * 22px), calc(var(--my, 0) * 12px), 46px);
  transition: transform .95s var(--ease);
  will-change: transform;
}
.portal::before {
  content: "";
  position: absolute; inset: 12% 14% 0;
  border: 1px solid rgba(23,23,22,.16);
  background: linear-gradient(156deg, #7f7a71, #d4cfc4 46%, #a39e94 47%, #ece7dc 80%);
  clip-path: polygon(0 0, 100% 7%, 100% 100%, 0 100%);
  transform: translate3d(calc(var(--mx, 0) * -5px), calc(var(--my, 0) * -3px), 28px);
  transition: transform .9s var(--ease);
  will-change: transform;
}
.portal::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 17% 2% -5% 12%;
  background: linear-gradient(145deg, rgba(76,72,66,.08), rgba(48,45,41,.32));
  filter: blur(1.1rem);
  opacity: .58;
  transform: translate3d(calc(var(--mx, 0) * -12px), calc(var(--my, 0) * 8px), -34px);
  transition: transform 1.05s var(--ease);
  will-change: transform;
}
.portal-side {
  position: absolute; z-index: 1; width: 14%; height: 100%; right: -14%;
  background: linear-gradient(160deg, #b3aea4, #918c83 62%, #aaa59b);
  clip-path: polygon(0 0, 100% 12%, 100% 94%, 0 100%);
  transform: translate3d(calc(var(--mx, 0) * 7px), calc(var(--my, 0) * 4px), 16px);
  transition: transform .9s var(--ease);
  will-change: transform;
}
.portal-floor {
  position: absolute; z-index: 2; left: -45%; bottom: -17%; width: 190%; height: 18%;
  background: linear-gradient(90deg, #b7b1a6, #eee8dc 52%, #d6cfc2);
  clip-path: polygon(17% 0, 82% 0, 100% 100%, 0 100%);
  filter: drop-shadow(0 .8rem 1rem rgba(57,53,48,.12));
  transform: translate3d(calc(var(--mx, 0) * -13px), calc(var(--my, 0) * 9px), 34px);
  transition: transform .82s var(--ease);
  will-change: transform;
}
.orbit { position: absolute; z-index: 3; border: 1px solid rgba(23,23,22,.48); border-radius: 50%; pointer-events: none; transition: transform .82s var(--ease), opacity .9s var(--ease); will-change: transform; }
.orbit-a {
  width: 76%; aspect-ratio: 2.1; left: 9%; top: 33%;
  opacity: calc(.92 - var(--hero-exit) * .25);
  transform: rotate(calc(-24deg + var(--mx, 0) * 3.4deg)) translate3d(calc(var(--mx, 0) * 27px), calc(var(--my, 0) * 19px), 112px);
}
.orbit-b {
  width: 55%; aspect-ratio: 1.1; left: 22%; top: 20%;
  border-color: rgba(23,23,22,.22);
  opacity: calc(.75 - var(--hero-exit) * .2);
  transform: rotate(calc(61deg + var(--my, 0) * 2.8deg)) translate3d(calc(var(--my, 0) * 18px), calc(var(--mx, 0) * -15px), 78px);
}
.orbit-label { position: absolute; z-index: 4; top: 32%; right: 7%; font-size: .5rem; letter-spacing: .16em; writing-mode: vertical-rl; opacity: .72; transform: translate3d(calc(var(--mx, 0) * 13px), calc(var(--my, 0) * 9px), 96px); transition: transform .85s var(--ease); will-change: transform; }
.star-glyph {
  position: absolute; z-index: 5; left: 48%; top: 49%;
  width: clamp(5rem, 9vw, 9rem); aspect-ratio: 1;
  transform: translate3d(calc(-50% + var(--mx, 0) * 22px), calc(-50% + var(--my, 0) * 17px), 152px) rotate(calc(var(--mx, 0) * 6deg)) scale(calc(1 + var(--hero-exit) * .06));
  transition: transform .72s var(--ease);
  will-change: transform;
}
.star-glyph span { position: absolute; inset: 49% 0 auto; height: 1px; background: var(--ink); transform-origin: center; }
.star-glyph span:nth-child(2) { transform: rotate(90deg); }
.star-glyph span:nth-child(3) { transform: rotate(45deg); }
.star-glyph span:nth-child(4) { transform: rotate(-45deg); }
.star-glyph::before {
  content: "";
  position: absolute; inset: 18%;
  border-radius: 50%;
  border: 1px solid rgba(216,91,44,.18);
  transform: scale(calc(.86 + var(--hero-exit) * .16));
  opacity: calc(.55 + var(--hero-exit) * .25);
  transition: transform .8s var(--ease), opacity .8s var(--ease);
}
.star-glyph::after {
  content: "";
  position: absolute; inset: 46%;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 .42rem rgba(216,91,44,.1);
}
.space-caption { position: absolute; z-index: 4; left: 1rem; right: 1rem; bottom: 1rem; display: flex; justify-content: space-between; font-size: .48rem; letter-spacing: .14em; text-transform: uppercase; opacity: .78; transform: translate3d(calc(var(--mx, 0) * 5px), calc(var(--my, 0) * 3px), 42px); transition: transform 1s var(--ease); }

.play-depth-key {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: .5rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.play-depth-key span { display: flex; align-items: center; gap: .45rem; }
.play-depth-key i { width: .38rem; aspect-ratio: 1; border-radius: 50%; background: #bfb8ac; }
.play-depth-key span:nth-child(2) i { background: #817c73; }
.play-depth-key span:nth-child(3) i { background: var(--ink); }
.play-depth-key span:nth-child(4) i { background: var(--orange); }
.scroll-note {
  position: absolute; left: var(--gutter); bottom: .55rem; margin: 0;
  display: flex; align-items: center; gap: .7rem;
  font-size: .52rem; text-transform: uppercase; letter-spacing: .14em;
  opacity: calc(.85 - var(--hero-exit) * .85);
  transition: opacity .4s var(--ease);
}
.scroll-note span {
  width: 2.2rem; height: 1px; background: var(--ink);
  transform-origin: left center;
  animation: scroll-pulse 2.4s var(--ease) infinite;
}
@keyframes scroll-pulse {
  0%, 100% { transform: scaleX(.55); opacity: .45; }
  50% { transform: scaleX(1); opacity: 1; }
}

.work {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding: clamp(4.5rem, 7vw, 6.75rem) var(--gutter) clamp(5.5rem, 8.5vw, 8.5rem);
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 0 0 100vmax var(--ink);
  clip-path: inset(0 -100vmax);
}
.section-heading {
  display: grid;
  grid-template-columns: .75fr 1.7fr .9fr;
  align-items: end;
  gap: 1.65rem;
  padding-bottom: clamp(2.75rem, 4.5vw, 4.5rem);
}
.section-heading h2 { font-size: clamp(2.45rem, 4.2vw, 5.1rem); }
.section-heading > p:last-child { margin: 0; color: #a9a59d; font-size: .78rem; line-height: 1.7; }
.gallery { display: grid; grid-template-columns: 1.05fr .9fr 1.05fr; gap: clamp(.85rem, 1.8vw, 2.1rem); align-items: end; }
.project { min-width: 0; outline-offset: 4px; transition: opacity .5s var(--ease), transform .65s var(--ease); --px: 0; --py: 0; }
.project-link {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  outline-offset: 4px;
}
.gallery:has(.project:hover) .project:not(:hover),
.gallery:has(.project:focus-within) .project:not(:focus-within) { opacity: .48; }
.project:nth-child(2) { margin-bottom: clamp(2.25rem, 5.5vw, 5.5rem); }
.room-visual {
  height: clamp(22rem, 36vw, 34rem);
  position: relative;
  overflow: hidden;
  background: #d8d2c7;
  perspective: 780px;
  transform-style: preserve-3d;
  transition: transform .65s var(--ease), box-shadow .65s var(--ease), filter .65s var(--ease);
}
.project:nth-child(2) .room-visual { height: clamp(19.5rem, 30vw, 29rem); }
.room-visual::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.16), transparent 24% 72%, rgba(0,0,0,.1)),
    linear-gradient(160deg, rgba(255,255,255,.58), transparent 48%);
  pointer-events: none;
}
.room-depth {
  position: absolute; inset: 8% 8% 0;
  border: 1px solid rgba(23,23,22,.22);
  background: linear-gradient(145deg, #ebe6dc, #a8a49b);
  clip-path: polygon(3% 0, 97% 8%, 100% 100%, 0 100%);
  transform: translate3d(calc(var(--px) * -8px), calc(var(--py) * -5px), 0);
  transition: transform .6s var(--ease);
}
.project-meta {
  display: grid;
  grid-template-columns: 2.2rem 1fr auto;
  gap: 1rem;
  align-items: start;
  border-top: 1px solid rgba(242,239,232,.32);
  padding-top: .95rem;
  margin-top: .95rem;
  transition: transform .45s var(--ease), border-color .45s;
}
.project-no { font: italic 1rem Georgia, serif; color: #aaa59c; }
.project h3 { margin: 0 0 .25rem; font-size: 1.05rem; font-weight: 500; }
.project-meta p { margin: 0; color: #aaa59c; font-size: .64rem; text-transform: uppercase; letter-spacing: .1em; }
.project-arrow { font-size: 1.1rem; transition: transform .35s var(--ease); }
.project:hover .project-arrow, .project:focus-within .project-arrow { transform: translate(4px,-4px); }
.project:hover .room-visual, .project:focus-within .room-visual {
  transform: translateY(-10px);
  box-shadow: 0 1.65rem 3.6rem rgba(0,0,0,.34);
  filter: saturate(1.05) contrast(1.03);
}
.project:hover .project-meta, .project:focus-within .project-meta {
  transform: translateX(5px);
  border-color: rgba(242,239,232,.78);
}
.wall-type { position: absolute; left: 13%; top: 13%; margin: 0; color: rgba(23,23,22,.22); font-size: clamp(1rem, 2.2vw, 2.3rem); line-height: .85; letter-spacing: -.04em; }
.course-object { position: absolute; z-index: 2; width: 55%; height: 31%; left: 27%; bottom: 15%; transform: translate3d(calc(var(--px) * 13px), calc(var(--py) * 9px), 48px); transition: transform .65s var(--ease); }
.course-object span { position: absolute; width: 58%; height: 37%; background: #1b1b1a; transform: skewY(-12deg); box-shadow: 0 1rem 2rem rgba(0,0,0,.22); }
.course-object span:nth-child(2) { left: 22%; top: 23%; background: #c95a31; }
.course-object span:nth-child(3) { left: 6%; top: 48%; background: #ece7dd; border: 1px solid #77736c; }
.project-course .room-visual { background: linear-gradient(165deg, #ddd7cc, #c9c3b7); }
.project-letter .room-visual { background: linear-gradient(150deg, #7a4b3b, #5f3a2e 55%, #4a2d24); }
.project-letter .room-depth { background: linear-gradient(110deg, #4d3028, #b67b60 66%, #d5ab8c); }
.letter-light { position: absolute; inset: -20%; background: linear-gradient(120deg, transparent 25%, rgba(255,223,170,.55) 43%, transparent 64%); transform: translateX(calc(var(--px) * 9px)); transition: transform .7s var(--ease); }
.letter-sheet {
  position: absolute; z-index: 2; left: 24%; top: 25%; width: 52%; aspect-ratio: .75;
  display: flex; flex-direction: column; justify-content: space-between; padding: 10% 8%;
  background: #e8d6b7; color: #5e2921;
  box-shadow: 1rem 2rem 4rem rgba(28,11,7,.35);
  transform: rotate(-4deg) translate3d(calc(var(--px) * 13px), calc(var(--py) * 10px), 38px);
  transition: transform .7s var(--ease);
}
.letter-sheet i { font: .55rem Georgia, serif; }
.letter-sheet b { font: 400 clamp(1.5rem, 3vw, 3.6rem) Georgia, "Songti SC", serif; writing-mode: vertical-rl; letter-spacing: .14em; }
.letter-sheet span { align-self: end; font: italic 1rem Georgia, serif; }
.project-kimo .room-visual { background: linear-gradient(145deg, #a8adb1, #8d9499 48%, #6f7880); }
.project-kimo .room-depth { background: linear-gradient(135deg, #d8d9d7, #737f8c); }
.kimo-orb {
  position: absolute; z-index: 2; left: 22%; top: 28%; width: 58%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #f9f6ef 0 5%, #a7d4dd 16%, #405b79 49%, #111824 75%);
  box-shadow: inset -1rem -2rem 3rem rgba(0,0,0,.45), 1rem 2rem 4rem rgba(12,19,27,.4);
  transform: translate3d(calc(var(--px) * 16px), calc(var(--py) * 11px), 58px);
  transition: transform .75s var(--ease);
}
.kimo-orb span { position: absolute; inset: -13%; border: 1px solid rgba(235,245,244,.65); border-radius: 50%; transform: rotateX(70deg) rotateZ(-20deg); }
.kimo-type { position: absolute; z-index: 3; right: 10%; bottom: 12%; margin: 0; color: white; font: italic clamp(2rem, 5vw, 5rem) Georgia, serif; letter-spacing: -.08em; }

.closing {
  position: relative;
  width: min(100%, var(--content-max));
  min-height: 78vh;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: clamp(6rem, 10vw, 8.5rem) var(--gutter);
  overflow: hidden;
}
.closing .eyebrow { margin-bottom: .35rem; letter-spacing: .18em; }
.closing h2 { max-width: 14ch; margin: 1.5rem 0 2.75rem; font-size: clamp(3.1rem, 7.2vw, 8.2rem); }
.closing .text-link { margin-top: .25rem; }
.closing-star {
  position: absolute; z-index: -1;
  color: rgba(216,91,44,.09);
  font-size: min(38vw, 32rem);
  line-height: 1;
  animation: star-turn 36s linear infinite;
}
@keyframes star-turn { to { transform: rotate(1turn); } }

.site-footer {
  width: min(calc(100% - var(--gutter) - var(--gutter)), calc(var(--content-max) - var(--gutter) - var(--gutter)));
  min-height: 5.5rem;
  margin-inline: auto;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  font-size: .56rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.site-footer p { margin: 0; }
.site-footer p:nth-child(2) { text-align: center; }
.site-footer a { justify-self: end; text-decoration: none; transition: color .3s; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--orange); }
.notice {
  position: fixed; z-index: 50; left: 50%; bottom: 1.5rem;
  padding: .8rem 1.1rem; background: var(--ink); color: var(--paper);
  font-size: .68rem; letter-spacing: .06em;
  transform: translate(-50%, 150%); opacity: 0; transition: .4s var(--ease);
  /* 隐藏态仍占视口底部一条命中区，会挡住作品卡底部点击 */
  pointer-events: none;
}
.notice.is-visible { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }

.has-js .site-header { opacity: 0; transform: translateY(-12px); }
.has-js.page-ready .site-header { opacity: 1; transform: translateY(0); }
.has-js.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
  transition: opacity .78s var(--ease), transform .88s var(--ease);
}
.has-js.reveal-ready [data-reveal].is-visible { opacity: 1; transform: translate3d(0, 0, 0); }
.has-js.reveal-ready .hero-space[data-reveal] {
  opacity: 0;
  transform: translate3d(0, calc(26px + var(--hero-exit) * 28px), 0);
  transition: opacity .78s var(--ease), transform .72s var(--ease);
}
.has-js.reveal-ready .hero-space[data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, calc(var(--hero-exit) * 28px), 0);
}
.has-js.reveal-ready .hero-copy > [data-reveal]:nth-child(1) { transition-delay: .06s; }
.has-js.reveal-ready .hero-copy > [data-reveal]:nth-child(2) { transition-delay: .14s; }
.has-js.reveal-ready .hero-copy > [data-reveal]:nth-child(3) { transition-delay: .24s; }
.has-js.reveal-ready .hero-space[data-reveal] { transition-delay: .1s; }
.has-js.reveal-ready .scroll-note[data-reveal] { transition-delay: .34s; }
.has-js.reveal-ready .gallery .project[data-reveal]:nth-child(1) { transition-delay: 0s; }
.has-js.reveal-ready .gallery .project[data-reveal]:nth-child(2) { transition-delay: .1s; }
.has-js.reveal-ready .gallery .project[data-reveal]:nth-child(3) { transition-delay: .2s; }
.has-js.reveal-ready .project[data-reveal].is-visible:hover,
.has-js.reveal-ready .project[data-reveal].is-visible:focus-within { transform: translate3d(0, -7px, 0); }

@media (max-width: 900px) {
  .site-header { height: 4.25rem; }
  .site-nav { display: none; }
  .menu-toggle { display: flex; align-items: center; gap: .7rem; border: 0; background: none; padding: .5rem 0; font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; }
  .menu-toggle i, .menu-toggle i::after { display: block; width: 1.4rem; height: 1px; background: currentColor; transition: transform .3s; }
  .menu-toggle i::after { content: ""; transform: translateY(5px); }
  .menu-toggle[aria-expanded="true"] i { transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] i::after { transform: rotate(90deg); }
  .mobile-nav { position: fixed; z-index: 19; inset: 0; padding: 7rem var(--gutter) 3rem; background: var(--paper); flex-direction: column; gap: 1.2rem; }
  .mobile-nav:not([hidden]) { display: flex; }
  .mobile-nav a { text-decoration: none; font-size: clamp(2.4rem, 12vw, 4.5rem); letter-spacing: -.05em; line-height: 1; }
  .mobile-nav a[aria-current="page"] { font-family: Georgia, "Times New Roman", serif; font-style: italic; }
  .mobile-nav a[aria-current="page"]::after { content: ""; display: inline-block; width: .38rem; height: .38rem; margin-left: .8rem; border-radius: 50%; background: var(--orange); vertical-align: middle; }
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 4.25rem;
    padding-bottom: 2.5rem;
    transform: none;
    opacity: 1;
  }
  .hero-copy { min-height: 50svh; display: flex; flex-direction: column; justify-content: center; padding: 1.75rem 0 2.25rem; }
  .hero-copy > .eyebrow { justify-content: space-between; }
  h1 { font-size: clamp(2.95rem, 10.2vw, 5.2rem); }
  .title-line { white-space: normal; }
  .hero-intro { align-items: flex-start; flex-direction: column; gap: 1.35rem; }
  .hero-space { min-height: 50svh; overflow: hidden; transform: none; }
  .hero-space::before, .hero-space::after, .architectural-grid, .sun-wash {
    -webkit-mask-image: none;
    mask-image: none;
  }
  .has-js.reveal-ready .hero-space[data-reveal],
  .has-js.reveal-ready .hero-space[data-reveal].is-visible { transform: none; }
  .scroll-note { display: none; }
  .section-heading { grid-template-columns: 1fr; gap: 1.1rem; }
  .section-heading h2 { max-width: 13ch; }
  .gallery { grid-template-columns: 1fr; gap: 3.5rem; }
  .project:nth-child(2) { margin: 0; }
  .room-visual, .project:nth-child(2) .room-visual { height: min(108vw, 35rem); }
}

@media (max-width: 560px) {
  .site-header { height: 4.25rem; }
  .hero { padding-top: 4.25rem; }
  h1 { font-size: clamp(2.7rem, 11.4vw, 3.4rem); }
  .hero-copy { min-height: 48svh; padding-top: 1.35rem; }
  .hero-copy > .eyebrow span:last-child { display: none; }
  .hero-intro { margin-top: 1.75rem; }
  .hero-intro p { font-size: .88rem; }
  .hero-space { min-height: 46svh; }
  .work { padding-top: 4.25rem; }
  .section-heading { padding-bottom: 2.75rem; }
  .section-heading h2 { font-size: 2.75rem; }
  .closing { min-height: 68vh; padding-block: 5rem; }
  .closing h2 { font-size: clamp(2.65rem, 12.5vw, 3.85rem); margin-bottom: 2.25rem; }
  .site-footer { grid-template-columns: 1fr 1fr; gap: .5rem; padding: 1.5rem 0; }
  .site-footer p:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero, .hero-space { transform: none !important; opacity: 1 !important; }
  .hero-space, .project { --mx: 0 !important; --my: 0 !important; --px: 0 !important; --py: 0 !important; }
  .has-js .site-header, .has-js.reveal-ready [data-reveal] { opacity: 1 !important; transform: none !important; }
  .scroll-progress, .scroll-note span { display: none; }
  :root { --hero-exit: 0 !important; }
}