/* =========================================================================
   享享創意 — Website pages
   Editorial / cinematic structure (à la the reference template) rebuilt on
   the Sharenjoy design system: warm paper base, one ink hero with grain,
   sunshine-yellow accents, Fraunces × Noto display. Chinese-only.
   Depends on colors_and_type.css (tokens) + site.css (footer F1).
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg-1); font-family: var(--font-zh); overflow-x: hidden; }
img { max-width: 100%; display: block; }
::selection { background: var(--sj-yellow); color: var(--sj-ink); }

.wrap { max-width: var(--content-max); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-wide { max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--gutter); }

/* eyebrow */
.eyebrow {
  font-size: var(--fs-12); letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 700; color: var(--fg-1); display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ''; width: 28px; height: 3px; background: var(--sj-yellow); border-radius: 2px; }
.eyebrow.on-ink { color: var(--fg-on-dark); }

/* display helpers */
.display { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.02; text-wrap: balance; }
.zh-serif { font-family: var(--font-zh-serif); }

/* =========================================================================
   SITE HEADER — sticky, scroll-shrink (chosen behaviour)
   ========================================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: 88px;
  display: flex; align-items: center;
  background: transparent;
  transition: height var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header .bar {
  width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-6);
}
/* on ink hero the header sits over dark → use light logo + light links until scrolled */
.site-header .logo-img { height: 34px; width: auto; transition: height var(--dur-base) var(--ease-out); }
.site-header .logo-dark { display: none; }
.site-header[data-over="ink"] .logo-light { display: block; }
.site-header[data-over="ink"] .logo-dark { display: none; }

.site-nav { display: flex; align-items: center; gap: var(--space-8); }
.nav-link {
  font-size: var(--fs-16); font-weight: 500; color: var(--fg-on-dark); text-decoration: none;
  position: relative; padding: 6px 0; white-space: nowrap; transition: color var(--dur-base) var(--ease-out);
}
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--sj-yellow); transition: right var(--dur-base) var(--ease-out);
}
.nav-link:hover::after, .nav-link[aria-current="page"]::after { right: 0; }
.nav-link[aria-current="page"] { font-weight: 700; }

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

.cta-btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: var(--radius-sm);
  background: var(--sj-yellow); color: var(--sj-ink); font-family: var(--font-zh); font-size: var(--fs-16);
  font-weight: 700; line-height: 1; border: 0; cursor: pointer; white-space: nowrap; text-decoration: none;
  box-shadow: var(--shadow-inset); transition: background var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.cta-btn:hover { background: var(--sj-yellow-deep); }
.cta-btn:active { transform: scale(0.98); }
.cta-btn .ic { width: 17px; height: 17px; stroke-width: 1.75; transition: transform var(--dur-base) var(--ease-out); }
.cta-btn:hover .ic { transform: translateX(3px); }

/* scrolled / solid state */
.site-header.solid {
  height: 64px;
  background: rgba(251, 250, 246, 0.82);
  backdrop-filter: blur(14px) saturate(120%); -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.site-header.solid .logo-light { display: none; }
.site-header.solid .logo-dark { display: block; }
.site-header.solid .logo-img { height: 28px; }
.site-header.solid .nav-link { color: var(--fg-1); }

/* pages that are paper from the top (services/contact) start solid-ish */
.site-header[data-over="paper"] .logo-light { display: none; }
.site-header[data-over="paper"] .logo-dark { display: block; }
.site-header[data-over="paper"] .nav-link { color: var(--fg-1); }

/* mobile menu (simple) */
.menu-toggle { display: none; }
@media (max-width: 760px) {
  .site-nav { display: none; }
  .site-header .cta-btn .label-full { display: none; }
}

/* =========================================================================
   HERO — ink + grain + yellow (the cinematic moment)
   ========================================================================= */
.hero {
  position: relative; min-height: 100vh; background: var(--sj-ink); color: var(--fg-on-dark);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 140px 0 48px; overflow: hidden;
}
.hero::after {  /* grain */
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.06; mix-blend-mode: screen; z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* ---- 背景形象影片 / 動態替身 -------------------------------------------- */
.hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.hero-stage { position: absolute; inset: 0; }
.hero-vid {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1.2s var(--ease-out);
}
.hero-vid.on { opacity: 1; }
/* 遮罩：深色漸層，讓標題與黃字維持可讀 */
.hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(32,32,32,0.68) 0%, rgba(32,32,32,0.46) 38%, rgba(32,32,32,0.82) 100%),
    linear-gradient(90deg, rgba(32,32,32,0.72) 0%, rgba(32,32,32,0.24) 55%, rgba(32,32,32,0.22) 100%);
}
/* 品牌動態替身：三場景循環輪播（無影片時顯示） */
.hero-placeholder { position: absolute; inset: 0; background: var(--sj-ink); }
.hero-placeholder .ph-scene {
  position: absolute; inset: 0; opacity: 0; display: grid; place-items: center;
  animation: phCycle 21s var(--ease-in-out) infinite;
}
.hero-placeholder .ph-scene img {
  width: min(64vw, 760px); opacity: 0.16;
  filter: brightness(0) invert(1);
}
.hero-placeholder .ph-scene.s1 { animation-delay: 0s; }
.hero-placeholder .ph-scene.s2 {
  animation-delay: -7s;
  background:
    radial-gradient(120% 90% at 18% 12%, rgba(255,216,40,0.16) 0%, transparent 55%),
    var(--sj-ink);
}
.hero-placeholder .ph-scene.s3 { animation-delay: -14s; }
.hero-placeholder .ph-scene.s3 img { width: min(82vw, 980px); opacity: 0.10; transform: rotate(90deg); }
@keyframes phCycle {
  0%   { opacity: 0; transform: scale(1.06); }
  6%   { opacity: 1; }
  28%  { opacity: 1; transform: scale(1.12); }
  34%  { opacity: 0; transform: scale(1.13); }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-placeholder .ph-scene { animation: none; }
  .hero-placeholder .ph-scene.s1 { opacity: 1; }
}
.hero .inner { position: relative; z-index: 2; }
.hero-eyebrow { margin-bottom: 28px; }
.hero-title {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -0.03em; line-height: 0.98;
  font-size: clamp(2.75rem, 9vw, 7.5rem); margin: 0; text-wrap: balance;
}
.hero-title .line { display: block; }
.hero-title .accent { color: var(--sj-yellow); font-family: var(--font-zh-serif); font-style: normal; }
.hero-sub {
  margin: 34px 0 0; max-width: 30ch; font-size: clamp(var(--fs-18), 2vw, var(--fs-24));
  line-height: 1.6; color: var(--fg-on-dark); opacity: 0.86; font-weight: 400; text-wrap: pretty;
}
.hero-foot {
  position: relative; z-index: 2; margin-top: clamp(48px, 9vh, 110px);
  display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-6);
}
.scroll-cue { display: inline-flex; align-items: center; gap: 12px; color: var(--fg-on-dark); font-size: var(--fs-14); letter-spacing: 0.04em; }
.scroll-cue .dot { width: 38px; height: 38px; border: 1.5px solid rgba(247,244,234,0.4); border-radius: 50%; display: grid; place-items: center; }
.scroll-cue .dot .ic { width: 18px; height: 18px; animation: nudge 1.8s var(--ease-in-out) infinite; }
@keyframes nudge { 0%,100%{ transform: translateY(-2px);} 50%{ transform: translateY(3px);} }
.hero-count { font-size: var(--fs-14); letter-spacing: 0.06em; color: var(--fg-on-dark); opacity: 0.7; font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce){ .scroll-cue .dot .ic{ animation: none; } }

/* =========================================================================
   SECTION scaffolding
   ========================================================================= */
.section { padding: clamp(72px, 11vw, 150px) 0; }
.section.paper { background: var(--bg); }
.section.paper-deep { background: var(--bg-deep); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-8); margin-bottom: clamp(40px, 6vw, 72px); flex-wrap: wrap; }
.section-head h2 { margin: 16px 0 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; font-size: clamp(var(--fs-30), 4.5vw, var(--fs-60)); text-wrap: balance; }
.section-head .meta { font-size: var(--fs-14); color: var(--fg-3); font-variant-numeric: tabular-nums; }

hr.rule { border: 0; height: 1px; background: var(--border); margin: 0; }

/* =========================================================================
   WORK GRID — editorial project cards
   ========================================================================= */
.work-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(24px, 3vw, 48px); }
.work-item { grid-column: span 6; }
.work-item.wide { grid-column: span 7; }
.work-item.narrow { grid-column: span 5; }
.work-item:nth-child(odd) { margin-top: 0; }
.work-item.offset { margin-top: clamp(40px, 8vw, 120px); }

.work-card { display: block; text-decoration: none; color: inherit; }
.work-shot { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: var(--sj-paper-deep); }
.work-shot image-slot { width: 100%; aspect-ratio: 4 / 3; display: block; }
.work-item.wide .work-shot image-slot { aspect-ratio: 16 / 10; }
.work-shot .num {
  position: absolute; top: 14px; left: 16px; z-index: 3; font-family: var(--font-mono); font-size: var(--fs-12);
  font-weight: 600; color: var(--sj-ink); background: var(--sj-yellow); padding: 4px 9px; border-radius: var(--radius-sm);
}
.work-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 20px 4px 0; }
.work-title { font-size: clamp(var(--fs-20), 2.4vw, var(--fs-30)); font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }
.work-cat { font-size: var(--fs-14); color: var(--fg-3); white-space: nowrap; position: relative; padding-bottom: 2px; }
.work-card:hover .work-cat { color: var(--fg-1); box-shadow: 0 2px 0 var(--sj-yellow); }
.work-card .work-shot::after {
  content: ''; position: absolute; inset: 0; background: var(--sj-ink); opacity: 0; transition: opacity var(--dur-base) var(--ease-out); pointer-events: none;
}
.work-card:hover .work-title { color: var(--fg-1); }

/* =========================================================================
   STATEMENT — big centered line + two columns
   ========================================================================= */
.statement { text-align: center; }
.statement .big {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.18;
  font-size: clamp(var(--fs-30), 5vw, var(--fs-60)); text-wrap: balance; max-width: 20ch; margin: 0 auto;
}
.statement .big .hl { background: linear-gradient(transparent 62%, var(--sj-yellow) 62%); padding: 0 .06em; }
.statement .zh-serif { font-family: var(--font-zh-serif); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); margin-top: clamp(56px, 8vw, 110px); text-align: left; }
.col-block h3 { margin: 0 0 12px; font-size: var(--fs-20); font-weight: 700; }
.col-block h3 .kicker { color: var(--fg-3); font-family: var(--font-mono); font-size: var(--fs-12); margin-right: 8px; }
.col-block p { margin: 0; color: var(--fg-2); font-size: var(--fs-18); line-height: 1.7; text-wrap: pretty; }
.col-block + .col-block { }
@media (max-width: 760px){ .two-col{ grid-template-columns: 1fr; } }

/* link with arrow */
.text-link { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg-1); font-weight: 600; font-size: var(--fs-16); }
.text-link .ic { width: 18px; height: 18px; stroke-width: 1.75; transition: transform var(--dur-base) var(--ease-out); }
.text-link .lbl { box-shadow: 0 2px 0 var(--sj-yellow); padding-bottom: 2px; }
.text-link:hover .ic { transform: translateX(4px); }

/* =========================================================================
   SERVICES teaser — numbered list
   ========================================================================= */
.svc-list { border-top: 1px solid var(--border); }
.svc-row {
  display: grid; grid-template-columns: auto 1fr auto; gap: clamp(20px, 4vw, 60px); align-items: center;
  padding: clamp(28px, 4vw, 48px) 0; border-bottom: 1px solid var(--border); text-decoration: none; color: inherit;
  transition: padding-left var(--dur-base) var(--ease-out);
}
.svc-row:hover { padding-left: 14px; }
.svc-num { font-family: var(--font-mono); font-size: var(--fs-14); color: var(--fg-3); }
.svc-name { font-family: var(--font-display); font-weight: 600; font-size: clamp(var(--fs-24), 3.5vw, var(--fs-48)); letter-spacing: -0.02em; line-height: 1.1; }
.svc-name .en { display: block; font-family: var(--font-mono); font-size: var(--fs-12); letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-3); margin-top: 8px; font-weight: 400; }
.svc-desc { max-width: 34ch; color: var(--fg-2); font-size: var(--fs-16); line-height: 1.65; }
.svc-row .ic { width: 24px; height: 24px; stroke-width: 1.5; color: var(--fg-3); transition: transform var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out); }
.svc-row:hover .ic { transform: translate(4px,-4px); color: var(--sj-ink); }
@media (max-width: 860px){
  .svc-row { grid-template-columns: auto 1fr; }
  .svc-desc { display: none; }
}

/* =========================================================================
   FEATURE — full-bleed image-slot w/ overlaid statement
   ========================================================================= */
.feature { position: relative; min-height: 78vh; display: grid; }
.feature image-slot { position: absolute; inset: 0; width: 100%; height: 100%; }
.feature::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(32,32,32,.25), rgba(32,32,32,.55)); z-index: 2; }
.feature .feature-inner { position: relative; z-index: 3; align-self: center; text-align: center; color: var(--fg-on-dark); padding: 80px var(--gutter); }
.feature .feature-inner h2 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; font-size: clamp(var(--fs-36), 6vw, var(--fs-80)); margin: 0; text-wrap: balance; }
.feature .feature-inner .zh-serif { font-family: var(--font-zh-serif); }
.feature .feature-sub { margin: 22px auto 0; max-width: 40ch; opacity: 0.9; font-size: var(--fs-18); line-height: 1.6; }

/* =========================================================================
   YELLOW CTA block (signature)
   ========================================================================= */
.cta-block { background: var(--sj-yellow); color: var(--sj-ink); position: relative; overflow: hidden; }
.cta-block .inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-10); flex-wrap: wrap; padding-block: clamp(64px, 9vw, 128px); }
.cta-block h2 { margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; font-size: clamp(var(--fs-36), 6vw, var(--fs-80)); }
.cta-block h2 .zh-serif { font-family: var(--font-zh-serif); }
.cta-block .cta-aside { max-width: 30ch; }
.cta-block .cta-aside p { margin: 0 0 22px; font-size: var(--fs-18); line-height: 1.6; }
.cta-ink {
  display: inline-flex; align-items: center; gap: 10px; padding: 16px 28px; border-radius: var(--radius-sm);
  background: var(--sj-ink); color: var(--fg-on-dark); font-weight: 700; font-size: var(--fs-18);
  text-decoration: none; transition: background var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.cta-ink:hover { background: var(--sj-ink-90); }
.cta-ink:active { transform: scale(0.98); }
.cta-ink .ic { width: 19px; height: 19px; stroke-width: 1.75; transition: transform var(--dur-base) var(--ease-out); }
.cta-ink:hover .ic { transform: translateX(4px); }
.cta-block .bars-deco { position: absolute; right: -30px; bottom: -30px; width: min(28vw, 320px); opacity: 0.16; pointer-events: none; }

/* =========================================================================
   PAGE HERO (inner pages: services / contact) — paper, compact
   ========================================================================= */
.page-hero { padding: 160px 0 clamp(40px, 6vw, 80px); }
.page-hero h1 { margin: 18px 0 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.025em; line-height: 1.0; font-size: clamp(2.5rem, 8vw, 6rem); text-wrap: balance; }
.page-hero .lead { margin: 28px 0 0; max-width: 42ch; font-size: clamp(var(--fs-18), 2vw, var(--fs-24)); line-height: 1.6; color: var(--fg-2); text-wrap: pretty; }

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(40px, 7vw, 110px); align-items: start; }
@media (max-width: 860px){ .contact-grid { grid-template-columns: 1fr; } }
.contact-block h3 { font-size: var(--fs-12); letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-3); margin: 0 0 12px; font-weight: 700; }
.contact-block .big-mail { font-family: var(--font-display); font-weight: 600; font-size: clamp(var(--fs-24), 4vw, var(--fs-48)); letter-spacing: -0.01em; color: var(--fg-1); text-decoration: none; line-height: 1.1; display: inline-block; }
.contact-block .big-mail:hover { box-shadow: 0 3px 0 var(--sj-yellow); }
.contact-block + .contact-block { margin-top: clamp(36px, 5vw, 56px); }
.contact-block p { margin: 0; color: var(--fg-2); font-size: var(--fs-18); line-height: 1.7; }
.soc-row { display: flex; flex-wrap: wrap; gap: 14px; }
.soc-chip { font-size: var(--fs-16); font-weight: 500; color: var(--fg-1); text-decoration: none; border-bottom: 2px solid var(--sj-yellow); padding-bottom: 2px; transition: background var(--dur-base) var(--ease-out); }
.soc-chip:hover { background: var(--sj-yellow); }

/* simple form */
.form-row { display: grid; gap: 8px; margin-bottom: 22px; }
.form-row label { font-size: var(--fs-14); font-weight: 600; color: var(--fg-2); }
.form-row input, .form-row textarea, .form-row select {
  font-family: var(--font-zh); font-size: var(--fs-16); color: var(--fg-1); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-md); padding: 13px 15px; width: 100%;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.form-row textarea { min-height: 130px; resize: vertical; }
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { outline: none; border-color: var(--sj-ink); box-shadow: 0 0 0 3px var(--sj-yellow-pale); }
.form-submit { margin-top: 6px; }

/* =========================================================================
   reveal animations
   ========================================================================= */
.reveal { transform: translateY(20px); transition: transform 0.6s var(--ease-out); will-change: transform; }
.reveal.in { transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce){ .reveal { transform: none; transition: none; } }

/* =========================================================================
   SERVICE DETAIL rows (alternating) + deliverables + process
   ========================================================================= */
.svc-detail { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; padding: clamp(48px, 7vw, 96px) 0; border-top: 1px solid var(--border); }
.svc-detail:last-child { border-bottom: 1px solid var(--border); }
.svc-detail .media image-slot { width: 100%; aspect-ratio: 4 / 3; border-radius: var(--radius-lg); display: block; }
.svc-detail .media .svc-media-img { display: block; width: 100%; height: auto; border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-lg); }
.svc-detail .media .svc-media-video { display: block; width: 100%; height: auto; border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-lg); }
.svc-detail .svc-video-frame { overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.svc-detail .svc-video-frame .svc-media-video { width: 104%; max-width: none; margin: -1% -2%; border-radius: 0; box-shadow: none; }
.svc-detail.flip .copy { order: 2; }
.svc-detail.flip .media { order: 1; }
.svc-detail .svc-index { font-family: var(--font-mono); font-size: var(--fs-14); color: var(--fg-3); letter-spacing: 0.08em; }
.svc-detail h2 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; font-size: clamp(var(--fs-30), 4vw, var(--fs-48)); margin: 14px 0 6px; }
.svc-detail .en-sub { font-family: var(--font-mono); font-size: var(--fs-12); letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); }
.svc-detail p.lead-p { margin: 22px 0 0; color: var(--fg-2); font-size: var(--fs-18); line-height: 1.7; text-wrap: pretty; max-width: 42ch; }
.deliver { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.deliver li { font-size: var(--fs-14); color: var(--fg-1); background: transparent; border: 1px solid var(--border); padding: 7px 14px; border-radius: var(--radius-pill); }
@media (max-width: 800px){
  .svc-detail { grid-template-columns: 1fr; gap: 28px; }
  .svc-detail.flip .copy { order: 1; } .svc-detail.flip .media { order: 2; }
}

.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 40px); }
.step { border-top: 2px solid var(--sj-ink); padding-top: 20px; }
.step .step-num { font-family: var(--font-mono); font-size: var(--fs-12); color: var(--fg-3); }
.step h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-24); margin: 10px 0 10px; letter-spacing: -0.01em; }
.step p { margin: 0; color: var(--fg-2); font-size: var(--fs-16); line-height: 1.6; }
@media (max-width: 760px){ .process { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px){ .process { grid-template-columns: 1fr; } }

/* responsive grid collapse */
@media (max-width: 860px){
  .work-item, .work-item.wide, .work-item.narrow { grid-column: span 12; margin-top: 0 !important; }
  .section-head h2 br { display: none; }
}