/* Direction C — Cool minimalist (off-white / deep navy / electric) */
.dirC {
  --bg: #f4f3ee;
  --bg-2: #ebeae3;
  --ink: #0a1629;
  --ink-2: #1f2b41;
  --ink-dim: #5b6478;
  --line: rgba(10,22,41,0.12);
  --line-soft: rgba(10,22,41,0.06);
  --accent: #2752ff;
  --accent-2: #c2cdff;
  --serif: 'Fraunces', 'GT Sectra', 'Source Serif Pro', Georgia, serif;
  --sans: 'Inter Tight', 'Söhne', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  width: 100%; min-height: 100%; position: relative; overflow: hidden;
}
.dirC [data-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity 800ms cubic-bezier(.2,.7,.2,1), transform 800ms cubic-bezier(.2,.7,.2,1);
}
.dirC [data-reveal].is-in { opacity: 1; transform: none; }
.dirC [data-placeholder] {
  background:
    repeating-linear-gradient(135deg, rgba(10,22,41,0.05) 0 8px, transparent 8px 16px),
    linear-gradient(180deg, #dadcd5, #c8cac3);
  outline: 1px solid var(--line);
  outline-offset: -1px; display: block;
}

/* Background motif */
.dC-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.dC-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, black 0%, transparent 60%);
}
.dC-bg-orb {
  position: absolute; top: 200px; right: -5px;
  width: 350px; height: 350px; border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(39,82,255,0.25), transparent 60%);
  filter: blur(40px);
  animation: dC-orb 22s ease-in-out infinite alternate;
  overflow: hidden;
}
@keyframes dC-orb {
  to { transform: translate(-80px, 160px); }
}
.dirC > *:not(.dC-bg) { position: relative; z-index: 1; }

/* Nav */
.dC-nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 48px;
  background: rgba(244,243,238,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.dC-wordmark { display: flex; align-items: center; gap: 12px; }
.dC-logo { width: 28px; height: 28px; color: var(--ink); }
.dC-wordmark > span:nth-child(2) { font-family: var(--serif); font-size: 20px; }
.dC-zh { font-family: var(--serif); color: var(--ink-dim); font-size: 16px; }
.dC-navlinks { display: flex; gap: 32px; justify-self: center; font-size: 13px; }
.dC-navlinks a {
  color: var(--ink-2); text-decoration: none;
  display: inline-flex; gap: 8px; align-items: baseline;
  transition: color .2s;
}
.dC-navlinks a span { font-family: var(--mono); font-size: 10px; color: var(--ink-dim); }
.dC-navlinks a:hover { color: var(--accent); }
.dC-lang-toggle { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-dim); text-decoration: none; padding: 4px 8px; border: 1px solid var(--line); transition: color .2s, border-color .2s; white-space: nowrap; border-radius: 3px; }
.dC-lang-toggle:hover { color: var(--accent); border-color: var(--accent); }
.dC-navlinks a:hover span { color: var(--accent); }
.dC-nav-cta {
  justify-self: end;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--ink); color: var(--ink);
  text-decoration: none; font-size: 13px; border-radius: 999px;
  transition: background .2s, color .2s;
}
.dC-nav-cta:hover { background: var(--ink); color: var(--bg); }
.dC-dot { width: 6px; height: 6px; background: #2bd47b; border-radius: 50%; box-shadow: 0 0 0 3px rgba(43,212,123,0.18); }

/* Hero strip - 3 industry images */
.dC-hero-strip {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.dC-hero-strip img {
  flex: 1;
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.dC-hero-strip .strip-divider {
  width: 100%;
  height: 1px;
  background: var(--bg);
  flex-shrink: 0;
}

  gap: 48px 64px;
  min-height: 760px;
}
.dC-hero-meta {
  grid-area: meta;
  display: flex; gap: 32px; flex-wrap: wrap;
}
.dC-meta-item {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim);
}
.dC-meta-item span { color: var(--accent); margin-right: 8px; }
.dC-title {
  grid-area: title;
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px, 6.4vw, 96px);
  line-height: 0.98; letter-spacing: -0.03em;
  margin: 0;
}
.dC-title span { display: block; }
.dC-title-em { font-style: italic; color: var(--accent); }
.dC-hero-foot {
  grid-area: foot;
  display: grid; gap: 24px;
}
.dC-hero-foot p { color: var(--ink-2); font-size: 16px; line-height: 1.65; max-width: 50ch; margin: 0; }
.dC-hero-zh { font-family: var(--serif); color: var(--accent); margin-right: 4px; }
.dC-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.dC-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px;
  border: 1px solid var(--ink); color: var(--ink);
  font-size: 13px; text-decoration: none;
  background: transparent;
  transition: background .25s, color .25s, transform .25s;
}
.dC-btn:hover { background: var(--ink); color: var(--bg); transform: translateY(-1px); }
.dC-btn svg { width: 14px; height: 14px; }
.dC-btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.dC-btn-primary:hover { background: var(--ink); border-color: var(--ink); }
.dC-hero-mark {
  grid-area: mark;
  align-self: stretch;
  position: relative;
  display: flex;
  overflow: hidden;
}
.dC-hero-strip { display: flex; flex-direction: column; width: 100%; height: 100%; }
.dC-hero-strip img { flex: 1; width: 100%; object-fit: cover; }
.dC-hero-strip .strip-divider { width: 100%; height: 1px; }

/* Stats */
.dC-stats {
  padding: 64px 48px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--bg);
}
.dC-stats-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 48px; }
.dC-stats-meta { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); }
.dC-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.dC-stat {
  padding: 16px 40px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
}
.dC-stat:nth-child(1) { padding-left: 40px; border-left: 1px solid var(--line); }
.dC-stat:last-child { border-right: none; padding-right: 40px; }
.dC-stat-label { text-align: center; }
.dC-stat-sub { text-align: center; }
.dC-stat-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); }
.dC-stat-num {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(44px, 5vw, 80px);
  letter-spacing: -0.03em; line-height: 1; color: var(--ink);
}
.dC-stat-pre, .dC-stat-suf { font-family: var(--sans); font-size: 0.5em; color: var(--accent); margin: 0 4px; vertical-align: super; }
.dC-stat-sub { font-size: 13px; color: var(--ink-dim); }

/* Sections */
.dC-section { padding: 120px 48px; }
.dC-eyebrow {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; gap: 12px; align-items: center;
}
.dC-h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(32px, 4.4vw, 64px);
  line-height: 1.05; letter-spacing: -0.025em;
  margin: 0; max-width: 22ch;
}
.dC-h2-em { font-style: italic; color: var(--accent); }
.dC-section-head { display: grid; gap: 24px; margin-bottom: 80px; }

/* About */
.dC-about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: start; margin-top: 32px; }
.dC-about-side { display: grid; gap: 16px; }
.dC-about-card {
  border: 1px solid var(--line); padding: 24px;
  background: rgba(255,255,255,0.4); backdrop-filter: blur(8px);
  border-radius: 4px;
  transition: border-color .25s, transform .25s;
}
.dC-about-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.dC-card-n { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 12px; }
.dC-about-card h4 { font-family: var(--serif); font-weight: 400; font-size: 22px; margin: 0 0 6px; }
.dC-about-card p { color: var(--ink-2); font-size: 14px; line-height: 1.55; margin: 0; }

/* Sectors */
.dC-sectors { background: var(--ink); color: var(--bg); border-radius: 8px; margin: 0 48px; padding: 96px 48px; position: relative; overflow: hidden; }
.dC-sectors::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.dC-sectors > * { position: relative; }
.dC-sectors .dC-eyebrow { color: var(--accent-2); }
.dC-sectors .dC-h2 { color: var(--bg); }

.dC-sec-tabs {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 48px;
}
.dC-sec-tab {
  position: relative;
  background: transparent; border: none; border-right: 1px solid rgba(255,255,255,0.15);
  padding: 28px 24px; cursor: pointer; text-align: left;
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: baseline;
  font-family: inherit; color: var(--bg);
  transition: background .25s;
}
.dC-sec-tab:last-child { border-right: none; }
.dC-sec-tab:hover { background: rgba(255,255,255,0.04); }
.dC-sec-tab-n { font-family: var(--mono); font-size: 11px; color: rgba(255,255,255,0.5); letter-spacing: 0.1em; }
.dC-sec-tab.is-active .dC-sec-tab-n { color: var(--accent-2); }
.dC-sec-tab-name { font-family: var(--serif); font-size: 22px; }
.dC-sec-tab-zh { font-family: var(--serif); color: rgba(255,255,255,0.55); font-size: 18px; }
.dC-sec-tab-bar {
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.dC-sec-tab.is-active .dC-sec-tab-bar { transform: scaleX(1); }

.dC-sec-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.dC-sec-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 16px; }
.dC-sec-h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(36px, 4.4vw, 56px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 24px; }
.dC-sec-h3 span { color: rgba(255,255,255,0.45); }
.dC-sec-blurb { font-size: 17px; line-height: 1.6; color: rgba(255,255,255,0.75); margin: 0 0 36px; max-width: 44ch; }
.dC-sec-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid rgba(255,255,255,0.15); }
.dC-kpi { padding: 20px 0; border-right: 1px solid rgba(255,255,255,0.15); padding-right: 16px; }
.dC-kpi:last-child { border-right: none; }
.dC-kpi-l { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 8px; }
.dC-kpi-v { font-family: var(--serif); font-size: 26px; color: var(--bg); }
.dC-sec-r { position: relative; }
.dC-sec-r img { width: 100%; aspect-ratio: 4/3; transition: opacity .4s; }
.dC-sec-r-meta {
  position: absolute; left: 14px; right: 14px; bottom: 14px;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; color: var(--bg);
  letter-spacing: 0.1em; text-transform: uppercase;
  background: rgba(10,22,41,0.7); padding: 8px 12px;
}

/* Portfolio */
.dC-port-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.dC-port-card {
  position: relative;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 20px;
  display: grid; gap: 24px; grid-template-rows: auto 1fr auto;
  background: rgba(255,255,255,0.4);
  transition: background .25s;
  cursor: pointer; min-height: 240px;
}
.dC-port-card:hover { background: var(--ink); color: var(--bg); }
.dC-port-card:hover .dC-port-id, .dC-port-card:hover .dC-port-region, .dC-port-card:hover .dC-port-meta { color: rgba(255,255,255,0.6); }
.dC-port-card:hover .dC-port-stage { background: var(--accent); border-color: var(--accent); color: #fff; }
.dC-port-top { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); }
.dC-port-mid { display: grid; place-items: center; }
.dC-port-logo { width: 80%; aspect-ratio: 4/3; object-fit: cover; }
.dC-port-bot h4 { font-family: var(--serif); font-weight: 400; font-size: 18px; margin: 0 0 6px; }
.dC-port-meta { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-dim); display: flex; justify-content: space-between; align-items: center; }
.dC-port-stage {
  width: 24px; height: 24px; border: 1px solid var(--line); border-radius: 50%;
  display: inline-grid; place-items: center; color: var(--ink); font-size: 10px;
  transition: background .2s, color .2s, border-color .2s;
}
.dC-port-arr { position: absolute; top: 16px; right: 16px; opacity: 0; color: var(--accent-2); transition: opacity .25s; }
.dC-port-card:hover .dC-port-arr { opacity: 1; }

/* Thesis */
.dC-thesis {
  padding: 140px 48px;
  background: var(--bg-2);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.dC-thesis-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; align-items: start; }
.dC-thesis-l { display: grid; gap: 32px; }
.dC-thesis-zh {
  font-family: var(--serif); font-size: clamp(140px, 18vw, 280px);
  line-height: 0.85; color: var(--accent); opacity: 0.18;
  letter-spacing: -0.05em;
}
.dC-thesis blockquote {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.18; letter-spacing: -0.022em;
  margin: 0; color: var(--ink);
}
.dC-thesis-em { color: var(--accent); font-style: italic; }
.dC-thesis-attr { display: flex; gap: 16px; align-items: center; margin-top: 40px; font-family: var(--mono); font-size: 11px; color: var(--ink-dim); letter-spacing: 0.1em; text-transform: uppercase; }
.dC-thesis-line { width: 56px; height: 1px; background: var(--accent); }

/* Insights */
.dC-insights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dC-insight {
  display: grid; gap: 32px; padding: 32px;
  border: 1px solid var(--line); border-radius: 4px;
  background: rgba(255,255,255,0.4);
  text-decoration: none; color: var(--ink);
  transition: border-color .25s, transform .25s, background .25s;
  min-height: 280px;
  grid-template-rows: auto 1fr auto;
}
.dC-insight:hover { border-color: var(--ink); transform: translateY(-3px); background: var(--bg); }
.dC-insight-head { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); }
.dC-insight-tag { color: var(--accent); }
.dC-insight h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; line-height: 1.22; margin: 0; }
.dC-insight-foot { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); padding-top: 16px; border-top: 1px solid var(--line-soft); }
.dC-insight-arr { color: var(--accent); transition: transform .2s; }
.dC-insight:hover .dC-insight-arr { transform: translateX(4px); }

/* Footer */
.dC-footer { padding: 80px 48px 32px; background: var(--ink); color: var(--bg); }
.dC-foot-top { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: end; padding-bottom: 64px; border-bottom: 1px solid rgba(255,255,255,0.12); margin-bottom: 64px; }
.dC-foot-h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(32px, 4.4vw, 64px);
  line-height: 1.05; letter-spacing: -0.025em;
  margin: 0; max-width: 16ch;
}
.dC-foot-mail {
  display: inline-flex; gap: 16px; align-items: center;
  padding: 18px 28px; border-radius: 999px;
  background: var(--accent); color: #fff;
  font-family: var(--serif); font-size: 18px; text-decoration: none;
  transition: background .2s, transform .2s;
}
.dC-foot-mail:hover { background: var(--bg); color: var(--ink); transform: translateY(-2px); }
.dC-foot-mail svg { width: 16px; height: 16px; }
.dC-foot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding-bottom: 64px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.dC-foot-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 12px; }
.dC-foot-grid p { font-size: 14px; line-height: 1.65; color: rgba(244,243,238,0.75); margin: 0; }
.dC-foot-grid a { color: rgba(244,243,238,0.75); text-decoration: none; transition: color .15s; }
.dC-foot-grid a:hover { color: var(--bg); }
.dC-foot-base { padding-top: 32px; display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; color: rgba(244,243,238,0.5); letter-spacing: 0.1em; text-transform: uppercase; }
.dC-foot-zh { color: var(--accent-2) !important; }

.dC-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas: "meta  mark" "title mark" "foot  mark";
  gap: 0;
  min-height: 100vh;
  padding: 0;
  align-items: stretch;
}
.dC-hero-meta { grid-area: meta; align-self: start; padding: 48px 48px 0 64px; }
.dC-title { grid-area: title; align-self: start; padding: 0 48px 0 64px; display: flex; flex-direction: column; justify-content: flex-end; min-height: 0; }
.dC-hero-foot { grid-area: foot; align-self: end; padding: 0 48px 64px 64px; }
.dC-hero-mark { grid-area: mark; align-self: stretch; height: 100vh; position: relative; display: flex; overflow: hidden; }
.dC-hero-strip { display: flex; flex-direction: column; width: 100%; height: 100%; }
.dC-hero-strip img { flex: 1 1 0%; width: 100%; height: 0; object-fit: cover; display: block; }
.dC-hero-strip .strip-divider { display: none; }

@media (max-width: 1000px) {
  .dC-nav { padding: 16px 24px; }
  html, body { overflow-x: hidden; }
  .dC-navlinks { display: none; }
  .dC-zh { display: none; }
  .dC-hero { padding: 48px 24px 64px; display: flex; flex-direction: column; gap: 32px; min-height: auto; }
  .dC-hero-meta { order: 1; }
  .dC-title { order: 2; }
  .dC-hero-mark { order: 4; height: 240px; overflow: hidden; margin-top: 16px; }
  .dC-hero-foot { order: 3; display: grid; gap: 24px; }
  .dC-hero-strip { flex-direction: row; height: 100%; width: 100%; justify-content: space-between; }
  .dC-hero-strip img { flex: none; width: 33.33%; height: 100%; object-fit: cover; }
  .dC-hero-strip .strip-divider { width: 1px; height: 100%; flex-shrink: 0; }
  .dC-stats { padding: 48px 24px; }
  .dC-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .dC-stat { padding: 0; border-right: none; }
  .dC-stat:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 16px; }
  .dC-stat:nth-child(even) { padding-left: 16px; }
  .dC-section { padding: 72px 24px; }
  .dC-about-grid { grid-template-columns: 1fr; gap: 32px; }
  .dC-sectors { margin: 0 24px; padding: 64px 24px; }
  .dC-sec-tabs { grid-template-columns: 1fr; }
  .dC-sec-tab { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .dC-sec-tab:last-child { border-bottom: none; }
  .dC-sec-panel { grid-template-columns: 1fr; gap: 32px; }
  .dC-sec-kpis { grid-template-columns: 1fr; }
  .dC-kpi { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .dC-port-grid { grid-template-columns: repeat(2, 1fr); }
  .dC-thesis { padding: 80px 24px; }
  .dC-thesis-grid { grid-template-columns: 1fr; gap: 32px; }
  .dC-insights { grid-template-columns: 1fr; }
  .dC-footer { padding: 64px 24px 24px; }
  .dC-foot-top { grid-template-columns: 1fr; gap: 24px; padding-bottom: 48px; margin-bottom: 48px; }
  .dC-foot-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; padding-bottom: 48px; }
  .dC-foot-base { flex-direction: column; gap: 8px; }
}

/* Nav layout helpers */
.dC-nav .dC-wordmark { flex-shrink: 0; }
.dC-nav .dC-navlinks { flex-shrink: 0; }
.dC-nav .dC-lang-toggle { flex-shrink: 0; }

/* Chinese pages: disable italic for CJK characters (Chinese doesn't use italic the same way) */
html[lang="zh-Hant"] .dC-title-em,
html[lang="zh-Hant"] .dC-h2-em,
html[lang="zh-Hant"] .dC-thesis-em { font-style: normal; }