:root {
  --paper: #f5f4f0;
  --white: #fff;
  --ink: #171918;
  --muted: #626964;
  --line: #d8dcd8;
  --green: #29483a;
  --green-soft: #e6ece8;
  --red: #9f4537;
  --gold: #b08c58;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}
body.is-leaving { pointer-events: none; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
p, h1, h2, h3, figure, dl, dd { margin-top: 0; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  min-height: 72px;
  padding: 12px max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  transition: transform .45s cubic-bezier(.22,1,.36,1), background .3s ease;
}
.site-header.header-hidden { transform: translateY(-105%); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 760; white-space: nowrap; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #fff;
  background: var(--green);
  font-size: 12px;
  font-weight: 800;
}
.site-nav { display: flex; justify-content: center; gap: clamp(18px, 3vw, 38px); font-size: 14px; }
.site-nav a { padding: 9px 0; color: var(--muted); border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--green); border-color: var(--green); }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  color: currentColor;
  background: transparent;
  border: 1px solid rgba(255,255,255,.28);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle span { position: relative; margin: auto; }
.nav-toggle span::before,
.nav-toggle span::after { position: absolute; left: 0; content: ""; }
.nav-toggle span::before { transform: translateY(-6px); }
.nav-toggle span::after { transform: translateY(6px); }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: rotate(45deg); }
.nav-open .nav-toggle span::after { transform: rotate(-45deg); }
.header-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-weight: 700;
  border: 1px solid var(--green);
}
.header-cta, .button.primary { color: #fff; background: var(--green); }
.button.secondary { color: var(--green); background: transparent; }
.button:hover, .header-cta:hover { filter: brightness(.94); }
a:focus-visible,
button:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 72px));
  display: flex;
  align-items: flex-end;
  padding: 90px max(24px, calc((100vw - var(--max)) / 2)) 64px;
  color: #fff;
  background: linear-gradient(90deg, rgba(14,23,19,.88), rgba(14,23,19,.45) 58%, rgba(14,23,19,.08)), url("./assets/office-project.webp") center calc(50% + var(--hero-y, 0px))/cover;
  isolation: isolate;
  overflow: hidden;
}
.hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: rgba(255,255,255,.03);
  transform: scale(var(--hero-scale, 1));
  transform-origin: center;
}
.hero-content { width: min(720px, 100%); transform: translateY(var(--hero-copy-y, 0px)); opacity: var(--hero-copy-opacity, 1); }
.hero-note { display: flex; align-items: center; gap: 12px; margin: 28px 0 0; color: rgba(255,255,255,.68); font-size: 12px; letter-spacing: .02em; }
.hero-note span { color: #d9c39f; font-weight: 800; }
.hero-note::before { width: 34px; height: 1px; content: ""; background: rgba(255,255,255,.45); }
.hero-index { position: absolute; right: max(24px, calc((100vw - var(--max)) / 2)); bottom: 52px; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; color: rgba(255,255,255,.72); font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.hero-index i { display: block; width: 1px; height: 42px; background: #d9c39f; }
.hero-index b { color: rgba(255,255,255,.48); font-size: 9px; font-weight: 700; writing-mode: vertical-rl; }
.eyebrow { margin-bottom: 14px; color: var(--gold); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.hero .eyebrow { color: #d9c39f; }
h1 { margin-bottom: 20px; font-size: clamp(48px, 8vw, 100px); line-height: 1; font-weight: 660; }
.hero-lead { max-width: 650px; margin-bottom: 30px; color: rgba(255,255,255,.83); font-size: clamp(17px, 2vw, 21px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .button.secondary { color: #fff; border-color: rgba(255,255,255,.7); }

.proof-band { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--green); color: #fff; }
.proof-band div { min-height: 118px; padding: 26px clamp(18px, 3vw, 42px); border-right: 1px solid rgba(255,255,255,.15); }
.proof-band strong { display: block; margin-bottom: 4px; font-size: 19px; }
.proof-band span { color: rgba(255,255,255,.65); font-size: 13px; }

.section { padding: clamp(64px, 9vw, 110px) max(24px, calc((100vw - var(--max)) / 2)); }
.section.white { background: var(--white); }
.section.green { color: #fff; background: var(--green); }
.section-head { display: grid; grid-template-columns: minmax(260px,.8fr) minmax(300px,1.2fr); gap: 60px; align-items: end; margin-bottom: 42px; }
.section-head h2, .page-intro h1 { margin-bottom: 0; font-size: clamp(34px, 5vw, 60px); line-height: 1.08; }
.section-head > p { max-width: 620px; margin: 0; color: var(--muted); }
.section.green .section-head > p { color: rgba(255,255,255,.7); }

.path-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.path-card { position: relative; min-height: 500px; overflow: hidden; color: #fff; }
.path-card img { position: absolute; inset: 0; height: 100%; object-fit: cover; transition: transform .35s ease; }
.path-card:hover img { transform: scale(1.025); }
.path-card::after { position: absolute; inset: 0; content: ""; background: linear-gradient(0deg, rgba(10,15,13,.86), transparent 68%); }
.path-copy { position: absolute; z-index: 2; left: 32px; right: 32px; bottom: 28px; }
.path-copy span { font-size: 12px; font-weight: 800; }
.path-copy h3 { margin: 6px 0 8px; font-size: 30px; }
.path-copy p { max-width: 480px; margin: 0; color: rgba(255,255,255,.76); }

.visual-index { padding: clamp(64px, 9vw, 110px) max(24px, calc((100vw - var(--max)) / 2)); color: #fff; background: var(--green); }
.visual-index-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 38px; }
.visual-index .eyebrow { color: #d9c39f; }
.visual-index h2 { margin: 0; font-size: clamp(34px, 5vw, 60px); line-height: 1.08; }
.text-link { display: inline-flex; align-items: center; gap: 8px; padding-bottom: 8px; color: rgba(255,255,255,.82); border-bottom: 1px solid rgba(255,255,255,.45); font-weight: 700; }
.text-link span { color: #d9c39f; font-size: 20px; line-height: 1; }
.visual-index-grid { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 12px; align-items: stretch; }
.visual-tile { position: relative; min-height: 310px; overflow: hidden; color: #fff; background: #1a2b23; }
.visual-tile-tall { min-height: 390px; }
.visual-tile img { height: 100%; object-fit: cover; opacity: .78; transition: transform .6s cubic-bezier(.22,1,.36,1), opacity .35s ease; }
.visual-tile::after { position: absolute; inset: 0; content: ""; background: linear-gradient(0deg, rgba(10,15,13,.88), transparent 64%); }
.visual-tile span, .visual-tile strong { position: absolute; z-index: 2; left: 24px; right: 24px; }
.visual-tile span { bottom: 64px; color: #d9c39f; font-size: 11px; font-weight: 800; letter-spacing: .04em; }
.visual-tile strong { bottom: 27px; font-size: 21px; }
.visual-tile:hover img { opacity: 1; transform: scale(1.045); }

.feature-grid, .product-grid, .case-grid, .principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature, .product-card, .case-card, .principle { padding: 28px; background: var(--white); border: 1px solid var(--line); }
.feature, .product-card, .case-card, .principle, .path-card { transform-style: preserve-3d; will-change: transform; }
.feature .number, .principle .number { color: var(--red); font-size: 12px; font-weight: 800; }
.feature h3, .product-card h3, .case-card h3, .principle h3 { margin: 18px 0 10px; font-size: 22px; line-height: 1.25; }
.feature p, .product-card p, .case-card p, .principle p { margin: 0; color: var(--muted); }

.image-feature { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 520px; background: var(--white); }
.image-feature img { height: 100%; object-fit: cover; }
.image-feature-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(34px, 6vw, 72px); }
.image-feature-copy h2 { margin-bottom: 20px; font-size: clamp(34px, 4vw, 52px); line-height: 1.1; }
.image-note { display: inline-block; margin-top: 15px; color: var(--muted); font-size: 12px; }

.page-intro { padding: 86px max(24px, calc((100vw - var(--max)) / 2)) 60px; background: var(--white); border-bottom: 1px solid var(--line); }
.page-intro .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; }
.page-intro p { max-width: 590px; margin: 0; color: var(--muted); font-size: 17px; }
.page-visual { height: clamp(320px, 48vw, 600px); }
.page-visual img { height: 100%; object-fit: cover; }

.product-grid { grid-template-columns: repeat(4, 1fr); }
.product-card { padding: 0; overflow: hidden; }
.product-card img { aspect-ratio: 4/3; object-fit: cover; }
.product-card div { padding: 24px; }
.product-card span, .case-card span { color: var(--red); font-size: 12px; font-weight: 800; }
.product-card h3 { margin-top: 10px; }

.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.filter-row span { padding: 8px 13px; color: var(--green); background: var(--green-soft); font-size: 13px; }

.case-grid { grid-template-columns: repeat(2, 1fr); }
.case-card { display: grid; grid-template-columns: 180px 1fr; padding: 0; overflow: hidden; }
.case-card img { height: 100%; min-height: 250px; object-fit: cover; }
.case-card div { padding: 28px; }
.case-card ul { margin: 18px 0 0; padding-left: 18px; color: var(--muted); }
.privacy-note { padding: 22px 26px; color: var(--green); background: var(--green-soft); border-left: 4px solid var(--green); }

.steps { counter-reset: step; display: grid; gap: 0; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 80px minmax(180px,.6fr) 1fr; gap: 24px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.step .step-number { color: var(--red); font-weight: 800; }
.step h3 { margin: 0; font-size: 21px; }
.step p { margin: 0; color: var(--muted); }
.steps { position: relative; }
.steps::after {
  position: absolute;
  top: 0;
  bottom: calc(100% - var(--steps-progress, 0%));
  left: 0;
  width: 3px;
  content: "";
  background: var(--red);
  transition: bottom .1s linear;
}

.service-scope { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.18); }
.service-scope article { padding: 30px; background: var(--green); }
.service-scope h3 { margin-bottom: 8px; }
.service-scope p { margin: 0; color: rgba(255,255,255,.68); }

.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.about-grid h2 { font-size: clamp(34px, 4.5vw, 56px); line-height: 1.1; }
.about-copy { color: var(--muted); font-size: 17px; }
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 34px; background: var(--line); border: 1px solid var(--line); }
.contact-panel div { padding: 24px; background: var(--white); }
.contact-panel span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }

.cta-band { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 46px max(24px, calc((100vw - var(--max)) / 2)); color: #fff; background: var(--red); }
.cta-band h2 { margin-bottom: 8px; font-size: clamp(28px, 4vw, 42px); line-height: 1.1; }
.cta-band p { margin: 0; color: rgba(255,255,255,.78); }
.cta-band .button { color: var(--red); background: #fff; border-color: #fff; }

.site-footer { display: grid; grid-template-columns: auto 1fr auto; gap: 30px; align-items: center; padding: 34px max(24px, calc((100vw - var(--max)) / 2)); color: rgba(255,255,255,.65); background: #151a17; font-size: 13px; }
.site-footer .brand { color: #fff; }
.footer-nav { display: flex; justify-content: center; gap: 24px; }
.site-footer p { margin: 0; }

/* Progressive interaction layer */
.js .reveal {
  opacity: 0;
  transform: translateY(42px);
  transition: opacity .8s ease, transform .9s cubic-bezier(.22,1,.36,1);
}
.js .reveal.reveal-left { transform: translateX(-44px); }
.js .reveal.reveal-right { transform: translateX(44px); }
.js .reveal.is-visible { opacity: 1; transform: translate(0,0); }
.js .reveal[data-delay="1"] { transition-delay: .08s; }
.js .reveal[data-delay="2"] { transition-delay: .16s; }
.js .reveal[data-delay="3"] { transition-delay: .24s; }

.hero-content > * {
  animation: hero-rise .9s cubic-bezier(.22,1,.36,1) both;
}
.hero-content > *:nth-child(2) { animation-delay: .08s; }
.hero-content > *:nth-child(3) { animation-delay: .16s; }
.hero-content > *:nth-child(4) { animation-delay: .24s; }
@keyframes hero-rise { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: translateY(0); } }

.scroll-progress {
  position: fixed;
  z-index: 80;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  pointer-events: none;
  transform: scaleX(var(--page-progress, 0));
  transform-origin: left;
  background: var(--red);
}
.page-veil {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  background: #0a0b0b;
  pointer-events: none;
  transform: translateY(-101%);
  transition: transform .24s cubic-bezier(.76,0,.24,1);
}
.page-veil::before { content: "HY"; font-size: clamp(52px, 9vw, 120px); font-weight: 800; }
.is-leaving .page-veil { transform: translateY(0); }

.scroll-cue {
  position: absolute;
  right: max(24px, calc((100vw - var(--max)) / 2));
  bottom: 48px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.68);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.scroll-cue::after { width: 1px; height: 56px; content: ""; background: currentColor; animation: cue-line 1.8s ease-in-out infinite; transform-origin: top; }
@keyframes cue-line { 0%,100% { transform: scaleY(.25); opacity: .4; } 50% { transform: scaleY(1); opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .scroll-cue, .page-veil { display: none; }
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: auto 1fr; gap: 8px 20px; }
  .site-nav { grid-column: 1 / -1; justify-content: flex-start; overflow-x: auto; order: 3; padding-bottom: 2px; }
  .header-cta { justify-self: end; }
  .proof-band { grid-template-columns: repeat(2, 1fr); }
  .section-head, .page-intro .intro-grid, .image-feature, .about-grid { grid-template-columns: 1fr; gap: 26px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .principle-grid { grid-template-columns: 1fr 1fr; }
  .case-card { grid-template-columns: 150px 1fr; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .site-footer .brand, .footer-nav { justify-content: center; }
}

@media (max-width: 620px) {
  .site-header {
    position: sticky;
    grid-template-columns: auto 1fr auto auto;
    grid-template-rows: auto;
    gap: 8px;
    min-height: 64px;
    padding: 10px 16px;
  }
  .site-header .brand { grid-column: 1; grid-row: 1; }
  .brand-mark { width: 36px; height: 36px; }
  .site-header .header-cta { grid-column: 3; grid-row: 1; min-height: 40px; padding: 0 13px; font-size: 13px; }
  .nav-toggle { grid-column: 4; grid-row: 1; }
  .js .nav-toggle { display: grid; place-items: center; }
  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
    padding: 6px 0 0;
  }
  .js .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    justify-content: stretch;
    gap: 0;
    overflow: visible;
    padding: 8px 16px 14px;
    color: #fff;
    background: rgba(10,11,11,.98);
    border-top: 1px solid rgba(255,255,255,.14);
    box-shadow: 0 18px 40px rgba(0,0,0,.2);
  }
  .js .nav-open .site-nav { display: grid; }
  .js .site-nav a {
    width: 100%;
    min-width: 0;
    padding: 12px 2px;
    color: rgba(255,255,255,.72);
    border-bottom: 1px solid rgba(255,255,255,.13);
    white-space: nowrap;
    word-break: keep-all;
  }
  .js .site-nav a:last-child { border-bottom: 0; }
  .js .site-nav a:hover,
  .js .site-nav a[aria-current="page"] { color: #fff; border-color: rgba(255,255,255,.45); }
  .hero { min-height: 610px; padding: 70px 20px 42px; background-position: 58% center; }
  .hero-index { display: none; }
  h1 { font-size: 52px; }
  .proof-band, .path-grid, .feature-grid, .product-grid, .case-grid, .principle-grid, .service-scope, .contact-panel { grid-template-columns: 1fr; }
  .proof-band div { min-height: 94px; }
  .path-card { min-height: 390px; }
  .path-copy { left: 22px; right: 22px; }
  .case-card { grid-template-columns: 1fr; }
  .case-card img { min-height: 220px; }
  .step { grid-template-columns: 42px 1fr; gap: 14px; }
  .step p { grid-column: 2; }
  .cta-band { grid-template-columns: 1fr; }
  .footer-nav { flex-wrap: wrap; }
  .scroll-cue { display: none; }
  .visual-index-head { align-items: flex-start; flex-direction: column; gap: 20px; }
  .visual-index-grid { grid-template-columns: 1fr; }
  .visual-tile, .visual-tile-tall { min-height: 280px; }
  .js .reveal, .js .reveal.reveal-left, .js .reveal.reveal-right { transform: translateY(22px); }
}

/* 2026 editorial home page */
.home-page {
  --home-black: #0a0b0b;
  --home-ink: #151716;
  --home-paper: #f3f3f0;
  --home-muted: #70736f;
  --home-line: #d5d6d2;
  --home-accent: #b64332;
  background: var(--home-paper);
  letter-spacing: 0;
}
.home-page .site-header {
  color: #fff;
  background: rgba(10,11,11,.9);
  border-color: rgba(255,255,255,.16);
  backdrop-filter: saturate(130%) blur(18px);
}
.home-page .brand-mark { color: var(--home-black); background: #fff; }
.home-page .site-nav a { color: rgba(255,255,255,.62); }
.home-page .site-nav a:hover,
.home-page .site-nav a[aria-current="page"] { color: #fff; border-color: #fff; }
.home-page .header-cta { color: var(--home-black); background: #fff; border-color: #fff; }

.home-hero {
  min-height: calc(100svh - 96px);
  align-items: flex-end;
  padding: 96px max(24px, calc((100vw - 1280px) / 2)) 68px;
  background: url("./assets/office-project.webp") center calc(50% + var(--hero-y, 0px))/cover no-repeat;
}
.home-hero::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(7,8,8,.66) 0%, rgba(7,8,8,.42) 48%, rgba(7,8,8,.12) 100%);
}
.home-hero::after { display: none; }
.home-hero-copy { position: relative; z-index: 1; width: min(780px, 85%); }
.home-kicker,
.home-section-label {
  margin: 0 0 18px;
  color: var(--home-accent);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0;
}
.home-hero .home-kicker { color: rgba(255,255,255,.7); }
.home-hero .home-kicker span {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-right: 10px;
  color: #fff;
  border: 1px solid rgba(255,255,255,.45);
  font-size: 10px;
}
.home-hero h1 {
  margin: 0 0 20px;
  font-size: 88px;
  font-weight: 480;
  line-height: 1;
  letter-spacing: 0;
}
.home-hero-copy > p:not(.home-kicker) { max-width: 590px; margin: 0; color: rgba(255,255,255,.82); font-size: 19px; line-height: 1.6; }
.home-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 26px; margin-top: 34px; }
.home-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid currentColor;
  border-radius: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}
.home-button-light { color: var(--home-black); background: #fff; border-color: #fff; }
.home-button-dark { color: #fff; background: var(--home-black); border-color: var(--home-black); }
.home-button { transition: color .25s ease, background .25s ease, transform .25s ease; }
.home-button:hover { filter: none; opacity: 1; transform: translateY(-2px); }
.home-button-light:hover { color: #fff; background: transparent; }
.home-arrow-link,
.home-text-link { display: inline-flex; align-items: center; gap: 10px; padding-bottom: 6px; border-bottom: 1px solid currentColor; font-size: 14px; font-weight: 700; }
.home-arrow-link { color: #fff; }
.home-arrow-link span,
.home-text-link span { font-size: 18px; font-weight: 400; line-height: 1; }
.home-hero-caption {
  position: absolute;
  z-index: 1;
  right: max(24px, calc((100vw - 1280px) / 2));
  bottom: 28px;
  display: grid;
  grid-template-columns: 30px auto;
  min-width: 190px;
  padding-top: 14px;
  color: #fff;
  border-top: 1px solid rgba(255,255,255,.42);
}
.home-hero-caption span { grid-row: 1 / 3; color: rgba(255,255,255,.5); font-size: 10px; }
.home-hero-caption strong { font-size: 12px; font-weight: 620; }
.home-hero-caption small { color: rgba(255,255,255,.48); font-size: 10px; }

.home-statement,
.home-gallery,
.home-process { padding: 110px max(24px, calc((100vw - 1280px) / 2)); }
.home-statement { background: #fff; }
.home-statement-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 100px; align-items: end; }
.home-statement h2,
.home-gallery h2,
.home-paths h2,
.home-detail h2,
.home-process h2,
.home-contact h2 {
  margin: 0;
  font-size: 56px;
  font-weight: 430;
  line-height: 1.08;
  letter-spacing: 0;
}
.home-statement-grid > div > p { max-width: 520px; margin: 0 0 28px; color: var(--home-muted); font-size: 17px; line-height: 1.8; }
.home-text-link { color: var(--home-ink); }
.home-scope { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 88px; border-top: 1px solid var(--home-line); }
.home-scope > div { min-height: 156px; padding: 25px 28px 0 0; border-right: 1px solid var(--home-line); }
.home-scope > div + div { padding-left: 28px; }
.home-scope > div:last-child { border-right: 0; }
.home-scope span { display: block; margin-bottom: 28px; color: var(--home-accent); font-size: 11px; font-weight: 750; }
.home-scope strong { display: block; margin-bottom: 6px; font-size: 20px; font-weight: 650; }
.home-scope small { color: var(--home-muted); font-size: 13px; line-height: 1.55; }

.home-gallery { color: #fff; background: var(--home-black); }
.home-gallery .home-section-label { color: rgba(255,255,255,.5); }
.home-gallery-head { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 48px; }
.home-gallery .home-text-link { color: #fff; }
.home-gallery-grid { display: grid; grid-template-columns: 1.6fr 1fr; grid-template-rows: repeat(2, 320px); gap: 12px; }
.home-gallery-grid > a { position: relative; display: block; min-width: 0; overflow: hidden; background: #181a19; }
.home-gallery-main { grid-row: 1 / 3; }
.home-gallery-grid img { height: 100%; object-fit: cover; opacity: .88; transition: transform .7s cubic-bezier(.22,1,.36,1), opacity .35s ease; }
.home-gallery-grid a:hover img { transform: scale(1.025); opacity: 1; }
.home-gallery-grid a:focus-visible img { transform: scale(1.025); opacity: 1; }
.home-gallery-grid a::after { position: absolute; inset: 0; content: ""; background: linear-gradient(0deg, rgba(0,0,0,.78), transparent 52%); }
.home-gallery-grid a > div { position: absolute; z-index: 2; left: 28px; right: 28px; bottom: 25px; }
.home-gallery-grid span { display: block; margin-bottom: 7px; color: rgba(255,255,255,.6); font-size: 11px; font-weight: 700; }
.home-gallery-grid strong { font-size: 23px; font-weight: 560; }
.home-gallery-grid small { float: right; padding-top: 8px; color: rgba(255,255,255,.55); font-size: 11px; }
.home-image-note { margin: 14px 0 0; color: rgba(255,255,255,.42); font-size: 11px; }

.home-paths { display: grid; grid-template-columns: .78fr 1.22fr; gap: 100px; padding: 110px max(24px, calc((100vw - 1280px) / 2)); background: var(--home-paper); }
.home-paths-intro > p:last-child { max-width: 430px; margin: 28px 0 0; color: var(--home-muted); font-size: 16px; line-height: 1.75; }
.home-path-list { border-top: 1px solid var(--home-line); }
.home-path-list a { display: grid; grid-template-columns: 50px 1fr auto; gap: 18px; align-items: start; padding: 30px 0; border-bottom: 1px solid var(--home-line); transition: padding .35s cubic-bezier(.22,1,.36,1), background .25s ease; }
.home-path-list a > span { color: var(--home-accent); font-size: 11px; font-weight: 750; }
.home-path-list strong { display: block; margin-bottom: 8px; font-size: 26px; font-weight: 530; }
.home-path-list p { margin: 0; color: var(--home-muted); font-size: 14px; }
.home-path-list b { font-size: 22px; font-weight: 400; transition: transform .25s ease; }
.home-path-list a:hover,
.home-path-list a:focus-visible { padding-right: 14px; padding-left: 14px; background: rgba(255,255,255,.7); }
.home-path-list a:hover b,
.home-path-list a:focus-visible b { transform: translate(4px,-4px); }

.home-detail { display: grid; grid-template-columns: 1.18fr .82fr; min-height: 690px; color: #fff; background: #202321; }
.home-detail-media { position: relative; min-height: 600px; }
.home-detail-media img { height: 100%; object-fit: cover; }
.home-detail-media span { position: absolute; left: 24px; bottom: 20px; padding: 7px 9px; color: rgba(255,255,255,.72); background: rgba(0,0,0,.45); font-size: 10px; }
.home-detail-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 70px; }
.home-detail .home-section-label { color: rgba(255,255,255,.5); }
.home-detail-copy > p:not(.home-section-label) { margin: 28px 0 34px; color: rgba(255,255,255,.65); font-size: 16px; line-height: 1.8; }
.home-detail .home-button-dark { color: var(--home-black); background: #fff; border-color: #fff; }

.home-process { background: #fff; }
.home-process-head { display: grid; grid-template-columns: .5fr 1.5fr; gap: 60px; align-items: end; margin-bottom: 64px; }
.home-process-head .home-section-label { margin-bottom: 8px; }
.home-process ol { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--home-line); }
.home-process li { min-height: 230px; padding: 24px 24px 0 0; border-right: 1px solid var(--home-line); }
.home-process li + li { padding-left: 24px; }
.home-process li:last-child { border-right: 0; }
.home-process li span { display: block; margin-bottom: 48px; color: var(--home-accent); font-size: 11px; font-weight: 750; }
.home-process li strong { display: block; margin-bottom: 10px; font-size: 19px; }
.home-process li p { margin: 0; color: var(--home-muted); font-size: 13px; line-height: 1.65; }

.home-contact { padding: 96px max(24px, calc((100vw - 1280px) / 2)); color: #fff; background: var(--home-accent); }
.home-contact .home-section-label { color: rgba(255,255,255,.6); }
.home-contact > div { display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.home-contact > p:last-child { max-width: 600px; margin: 38px 0 0; color: rgba(255,255,255,.7); }
.home-page .site-footer { background: var(--home-black); }

@media (max-width: 900px) {
  .home-hero h1 { font-size: 68px; }
  .home-statement h2,
  .home-gallery h2,
  .home-paths h2,
  .home-detail h2,
  .home-process h2,
  .home-contact h2 { font-size: 44px; }
  .home-statement-grid,
  .home-paths { grid-template-columns: 1fr; gap: 46px; }
  .home-gallery-grid { grid-template-columns: 1.25fr 1fr; grid-template-rows: repeat(2, 260px); }
  .home-detail { grid-template-columns: 1fr; }
  .home-detail-media { min-height: 560px; }
  .home-detail-copy { padding: 70px max(24px, calc((100vw - 680px) / 2)); }
  .home-process-head { grid-template-columns: 1fr; gap: 16px; }
  .home-process ol { grid-template-columns: repeat(2, 1fr); }
  .home-process li:nth-child(2) { border-right: 0; }
  .home-process li:nth-child(n+3) { border-top: 1px solid var(--home-line); }
}

@media (max-width: 620px) {
  .home-page .site-header { position: sticky; }
  .home-hero { min-height: calc(100svh - 112px); padding: 72px 20px 46px; background-position: 61% center; }
  .home-hero::before { background: linear-gradient(90deg, rgba(7,8,8,.64), rgba(7,8,8,.3)); }
  .home-hero-copy { width: 100%; }
  .home-hero h1 { font-size: 50px; }
  .home-hero-copy > p:not(.home-kicker) { max-width: 92%; font-size: 16px; }
  .home-hero-caption { display: none; }
  .home-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .home-statement,
  .home-gallery,
  .home-process { padding: 72px 20px; }
  .home-statement h2,
  .home-gallery h2,
  .home-paths h2,
  .home-detail h2,
  .home-process h2,
  .home-contact h2 { font-size: 36px; }
  .home-statement-grid { gap: 30px; }
  .home-scope { grid-template-columns: 1fr; margin-top: 56px; }
  .home-scope > div,
  .home-scope > div + div { min-height: auto; padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--home-line); }
  .home-scope span { margin-bottom: 14px; }
  .home-gallery-head { align-items: flex-start; flex-direction: column; margin-bottom: 30px; }
  .home-gallery-grid { display: block; }
  .home-gallery-grid > a { height: 360px; min-height: 0; margin-bottom: 10px; }
  .home-gallery-grid > a:not(.home-gallery-main) { height: 280px; min-height: 0; }
  .home-gallery-grid strong { font-size: 20px; }
  .home-paths { padding: 72px 20px; }
  .home-path-list a { grid-template-columns: 34px 1fr auto; gap: 10px; }
  .home-path-list strong { font-size: 21px; }
  .home-detail { min-height: 0; }
  .home-detail-media { min-height: 460px; }
  .home-detail-copy { padding: 64px 20px; }
  .home-process-head { margin-bottom: 38px; }
  .home-process ol { grid-template-columns: 1fr; }
  .home-process li,
  .home-process li + li { min-height: 0; padding: 22px 0 28px; border-right: 0; border-top: 1px solid var(--home-line); }
  .home-process li span { margin-bottom: 24px; }
  .home-contact { padding: 72px 20px; }
  .home-contact > div { align-items: flex-start; flex-direction: column; }
}

/* Inner pages share the editorial system without inheriting home-only layout. */
.inner-page {
  --home-black: #0a0b0b;
  --home-ink: #151716;
  --home-paper: #f3f3f0;
  --home-muted: #70736f;
  --home-line: #d5d6d2;
  --home-accent: #b64332;
  --max: 1280px;
  color: var(--home-ink);
  background: var(--home-paper);
  letter-spacing: 0;
}
.inner-page .site-header {
  color: #fff;
  background: rgba(10,11,11,.9);
  border-color: rgba(255,255,255,.16);
  backdrop-filter: saturate(130%) blur(18px);
}
.inner-page .brand-mark { color: var(--home-black); background: #fff; }
.inner-page .site-nav a { color: rgba(255,255,255,.62); }
.inner-page .site-nav a:hover,
.inner-page .site-nav a[aria-current="page"] { color: #fff; border-color: #fff; }

/* Daily design research archive */
.studies-intro { background: #17231d; }
.studies-intro h1 { max-width: 560px; }
.studies-section { background: #f1eee8; }
.studies-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 36px; }
.studies-toolbar h2 { margin: 0; color: #17231d; }
.studies-updated { margin: 0; color: #6a716b; font-size: 12px; }
.study-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.study-card { min-width: 0; background: #fff; }
.study-card-media { aspect-ratio: 4 / 3; overflow: hidden; background: #d9d6ce; }
.study-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.22,1,.36,1); }
.study-card:hover .study-card-media img { transform: scale(1.025); }
.study-card-copy { padding: 22px 22px 25px; }
.study-card-copy p { margin: 0 0 10px; color: #687068; font-size: 11px; letter-spacing: .05em; text-transform: uppercase; }
.study-card-copy h3 { margin: 0 0 9px; color: #17231d; font-size: 20px; font-weight: 560; }
.study-card-copy span { color: #657069; font-size: 14px; line-height: 1.7; }
.study-empty { grid-column: 1 / -1; margin: 0; padding: 72px 24px; color: #687068; text-align: center; background: rgba(255,255,255,.58); }

@media (max-width: 900px) {
  .study-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .studies-toolbar { align-items: flex-start; flex-direction: column; gap: 12px; }
  .study-gallery { display: block; }
  .study-card { margin-bottom: 12px; }
}
.inner-page .header-cta { color: var(--home-black); background: #fff; border-color: #fff; }

.inner-page .page-intro {
  padding-top: 106px;
  padding-bottom: 82px;
  color: #fff;
  background: var(--home-black);
  border: 0;
}
.inner-page .page-intro .intro-grid { grid-template-columns: 1.08fr .92fr; gap: 92px; }
.inner-page .page-intro h1 {
  margin: 0;
  font-size: 60px;
  font-weight: 430;
  line-height: 1.08;
  letter-spacing: 0;
}
.inner-page .page-intro p { color: rgba(255,255,255,.62); font-size: 16px; line-height: 1.8; }
.inner-page .eyebrow {
  margin-bottom: 18px;
  color: var(--home-accent);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.4;
  letter-spacing: 0;
}
.inner-page .page-visual { height: min(62vh, 680px); background: #222; }
.inner-page .page-visual img { height: 100%; object-fit: cover; }

.inner-page .section { background: var(--home-paper); }
.inner-page .section.white { background: #fff; }
.inner-page .section.green { color: #fff; background: var(--home-black); }
.inner-page .section-head { gap: 92px; margin-bottom: 48px; }
.inner-page .section-head h2,
.inner-page .about-grid h2 {
  margin: 0;
  font-size: 50px;
  font-weight: 430;
  line-height: 1.1;
  letter-spacing: 0;
}
.inner-page .section-head > p,
.inner-page .about-copy { color: var(--home-muted); line-height: 1.8; }
.inner-page .section.green .section-head > p { color: rgba(255,255,255,.62); }

.inner-page .filter-row { gap: 8px; margin-bottom: 34px; }
.inner-page .filter-row span {
  padding: 8px 12px;
  color: var(--home-ink);
  background: transparent;
  border: 1px solid var(--home-line);
  font-size: 12px;
}
.product-focus { background: #fff; }
.product-focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.product-focus-grid article {
  min-width: 0;
  padding: 30px;
  background: var(--home-paper);
  border-top: 3px solid var(--home-accent);
}
.product-focus-grid article > span {
  display: block;
  margin-bottom: 26px;
  color: var(--home-accent);
  font-size: 11px;
  font-weight: 750;
}
.product-focus-grid h3 { margin: 0 0 14px; font-size: 25px; font-weight: 580; }
.product-focus-grid p { margin: 0; color: var(--home-muted); line-height: 1.75; }
.product-focus-grid ul { margin: 24px 0 0; padding: 22px 0 0 18px; border-top: 1px solid var(--home-line); }
.product-focus-grid li { margin-top: 9px; color: var(--home-muted); font-size: 13px; line-height: 1.65; }
.focus-contact {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  align-items: center;
  margin-top: 12px;
  padding: 22px 24px;
  color: #fff;
  background: var(--home-black);
}
.focus-contact p { margin: 0; color: rgba(255,255,255,.68); }
.focus-contact .button { color: var(--home-black); background: #fff; border-color: #fff; }
.focus-contact > span { color: rgba(255,255,255,.62); font-size: 13px; white-space: nowrap; }
.inner-page .product-grid { gap: 12px; }
.inner-page .product-card,
.inner-page .case-card,
.inner-page .principle {
  position: relative;
  background: #fff;
  border: 0;
  box-shadow: inset 0 0 0 1px var(--home-line);
}
.inner-page .product-card::after,
.inner-page .case-card::after {
  position: absolute;
  top: 12px;
  right: 12px;
  content: "方案示意";
  padding: 5px 7px;
  color: rgba(255,255,255,.78);
  background: rgba(10,11,11,.58);
  font-size: 10px;
  line-height: 1;
}
.inner-page .product-card img { height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.inner-page .product-card div { padding: 24px; }
.inner-page .product-card span,
.inner-page .case-card span,
.inner-page .feature .number,
.inner-page .principle .number { color: var(--home-accent); }
.inner-page .product-card h3,
.inner-page .case-card h3,
.inner-page .principle h3 { font-weight: 600; }
.inner-page .product-card p,
.inner-page .case-card p,
.inner-page .principle p,
.inner-page .case-card ul { color: var(--home-muted); }
.inner-page .image-note { color: var(--home-muted); }

.inner-page .privacy-note {
  padding: 20px 22px;
  color: var(--home-muted);
  background: transparent;
  border: 1px solid var(--home-line);
  border-left: 3px solid var(--home-accent);
}
.inner-page .case-grid { gap: 12px; }
.inner-page .case-card { grid-template-columns: 230px 1fr; }
.inner-page .case-card img { min-height: 290px; object-fit: cover; }

.inner-page .steps { border-color: var(--home-line); }
.inner-page .step { padding: 31px 0; border-color: var(--home-line); }
.inner-page .step .step-number { color: var(--home-accent); }
.inner-page .step h3 { font-weight: 600; }
.inner-page .step p { color: var(--home-muted); line-height: 1.7; }
.inner-page .steps::after { background: var(--home-accent); }
.inner-page .service-scope { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.16); }
.inner-page .service-scope article { background: var(--home-black); }
.inner-page .service-scope p { color: rgba(255,255,255,.62); }

.inner-page .about-grid { gap: 92px; }
.contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: -10px; }
.contact-actions .button { min-height: 52px; }
.contact-actions > span { color: var(--home-muted); font-weight: 650; }
.inner-page .contact-panel { background: var(--home-line); border-color: var(--home-line); }
.inner-page .contact-panel div { background: #fff; }
.inner-page .contact-panel span { color: var(--home-muted); }
.inner-page .contact-panel a { color: var(--home-accent); }
.inner-page .cta-band { color: #fff; background: var(--home-accent); }
.inner-page .cta-band p { color: rgba(255,255,255,.72); }
.inner-page .cta-band .button { color: var(--home-accent); background: #fff; border-color: #fff; }
.inner-page .button,
.inner-page .header-cta { border-radius: 0; }
.inner-page .site-footer { background: var(--home-black); }
.site-footer p { line-height: 1.7; }
.site-footer p a { color: #fff; font-weight: 650; }

@media (max-width: 900px) {
  .inner-page .page-intro .intro-grid,
  .inner-page .section-head,
  .inner-page .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .inner-page .page-intro h1 { font-size: 46px; }
  .inner-page .section-head h2,
  .inner-page .about-grid h2 { font-size: 42px; }
  .product-focus-grid { grid-template-columns: 1fr; }
  .focus-contact { grid-template-columns: 1fr auto; }
  .focus-contact p { grid-column: 1 / -1; }
  .inner-page .case-card { grid-template-columns: 180px 1fr; }
}

@media (max-width: 620px) {
  .inner-page .site-header { position: sticky; }
  .inner-page .page-intro { padding: 66px 20px 58px; }
  .inner-page .page-intro h1 { font-size: 38px; }
  .inner-page .page-visual { height: 390px; }
  .inner-page .section { padding: 70px 20px; }
  .inner-page .section-head h2,
  .inner-page .about-grid h2 { font-size: 36px; }
  .inner-page .product-grid,
  .inner-page .case-grid,
  .inner-page .principle-grid { grid-template-columns: 1fr; }
  .inner-page .case-card { grid-template-columns: 1fr; }
  .inner-page .case-card img { min-height: 250px; aspect-ratio: 4 / 3; }
  .inner-page .contact-panel { grid-template-columns: 1fr; }
  .focus-contact { grid-template-columns: 1fr; align-items: start; }
  .focus-contact .button { width: 100%; }
  .contact-actions { align-items: flex-start; flex-direction: column; }
}