/* BridgeQ — brand styles */
:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --ink: #e8e8e8;
  --ink-muted: #9a9a9a;
  --ink-dim: #6b6b6b;
  --lime: #b8ff3c;
  --lime-bright: #39ff14;
  --lime-dim: rgba(184, 255, 60, 0.12);
  --lime-border: rgba(184, 255, 60, 0.35);
  --forest: #1a3d2e;
  --forest-mid: #234d3a;
  --white: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --max: 1120px;
  --nav-h: 72px;
  --font-sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-display: "Bebas Neue", "Anton", Impact, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fs-body: 16px;
  --fs-xs: 0.625rem;
  --fs-label: 0.75rem;
  --fs-caption: 0.8125rem;
  --fs-nav: 0.875rem;
  --fs-text: 0.875rem;
  --fs-btn: 0.9375rem;
  --fs-card-title: 1.125rem;
  --fs-lead: 1.0625rem;
  --fs-subhead: 1.375rem;
  --fs-h3: 1.5rem;
  --fs-section-sm: 1.4rem;
  --fs-section: clamp(1.75rem, 4vw, 2.75rem);
  --fs-hero: clamp(2.5rem, 6vw, 4.25rem);
  --fs-stat: clamp(2.5rem, 5vw, 3.5rem);
  --fs-marquee: clamp(1.25rem, 3vw, 2rem);
  --fs-display: 2.5rem;
  --fs-meta: 1.75rem;
  --fs-watermark: 10rem;
}

/* Nested section titles (pillars / flow / rocket / HK) — controlled by --fs-section-sm */
.section-title--sm {
  font-size: var(--fs-section-sm) !important;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: var(--fs-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--lime); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--lime-bright); }
ul { list-style: none; }

.container {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

/* —— Lang visibility —— */
[data-lang="zh"] .lang-en { display: none !important; }
[data-lang="en"] .lang-zh { display: none !important; }

/* —— Nav —— */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
}

.nav-brand img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
}

.nav-brand-text {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  letter-spacing: 0.06em;
  line-height: 1;
}

.nav-brand-text span { color: var(--lime); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: var(--ink-muted);
  font-size: var(--fs-nav);
  padding: 8px 12px;
  border-radius: 6px;
  text-decoration: none;
}

.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.04); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.lang-toggle button,
.lang-toggle a {
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.2s var(--ease);
  text-decoration: none;
  display: inline-block;
}

.lang-toggle button.active,
.lang-toggle a.active {
  background: var(--lime);
  color: #0a0a0a;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: var(--lime);
  color: #0a0a0a !important;
  font-weight: 700;
  font-size: var(--fs-caption);
  border-radius: 999px;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-cta:hover { background: var(--lime-bright); color: #0a0a0a !important; }

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: var(--fs-btn);
  font-weight: 700;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s, color 0.2s, border-color 0.2s;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--lime);
  color: #0a0a0a;
}

.btn-primary:hover { background: var(--lime-bright); color: #0a0a0a; }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

/* —— Sections —— */
.section {
  padding: 96px 0;
  position: relative;
}

.section-alt { background: var(--bg-elevated); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 16px;
}

.section-label::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--lime);
}

.section-title {
  font-size: var(--fs-section);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-lead {
  font-size: var(--fs-lead);
  color: var(--ink-muted);
  max-width: 560px;
  margin-bottom: 48px;
}

.section-head {
  margin-bottom: 48px;
}

.section-head .section-lead { margin-bottom: 0; }

/* —— Hero —— */
.hero {
  padding: 48px 0 96px;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(26, 61, 46, 0.45), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(184, 255, 60, 0.06), transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--lime-dim);
  border: 1px solid var(--lime-border);
  border-radius: 999px;
  font-size: var(--fs-caption);
  font-weight: 600;
  color: var(--lime);
  margin-bottom: 24px;
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime-bright);
  box-shadow: 0 0 8px var(--lime-bright);
}

.hero h1 {
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 1.08;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero h1 .accent {
  color: var(--lime);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  font-weight: 400;
}

.hero-pun {
  font-size: var(--fs-card-title);
  color: var(--ink-muted);
  margin-bottom: 12px;
  max-width: 480px;
}

.hero-pun strong { color: var(--lime); font-weight: 700; }

.hero-desc {
  font-size: var(--fs-lead);
  color: var(--ink-dim);
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-meta-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-meta);
  color: var(--lime);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 4px;
}

.hero-meta-item span {
  font-size: var(--fs-caption);
  color: var(--ink-dim);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo-wrap {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow:
    0 0 0 1px rgba(184, 255, 60, 0.08),
    0 24px 80px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(184, 255, 60, 0.08);
}

.hero-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-logo-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle, rgba(184, 255, 60, 0.15), transparent 60%);
  z-index: -1;
  pointer-events: none;
}

/* —— Stats —— */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.25s, background 0.25s;
}

.stat-card:hover {
  border-color: var(--lime-border);
  background: var(--bg-card-hover);
}

.stat-num {
  font-family: var(--font-display);
  font-size: var(--fs-stat);
  color: var(--lime);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: var(--fs-text);
  color: var(--ink-muted);
  font-weight: 500;
}

/* —— About —— */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-card {
  background: linear-gradient(145deg, var(--forest) 0%, #0f2419 100%);
  border: 1px solid var(--lime-border);
  border-radius: var(--radius);
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.about-card::after {
  content: "橋";
  position: absolute;
  right: -10px;
  bottom: -30px;
  font-size: var(--fs-watermark);
  font-weight: 900;
  color: rgba(184, 255, 60, 0.06);
  line-height: 1;
  pointer-events: none;
}

.about-card h3 {
  font-size: var(--fs-subhead);
  color: var(--white);
  margin-bottom: 12px;
  position: relative;
}

.about-card p {
  color: rgba(232, 232, 232, 0.85);
  position: relative;
  font-size: var(--fs-text);
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-point {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
}

.about-point-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lime-dim);
  border-radius: 8px;
  color: var(--lime);
  font-weight: 800;
  font-size: var(--fs-text);
}

.about-point h4 {
  font-size: calc(var(--fs-card-title) * 0.89);
  color: var(--white);
  margin-bottom: 4px;
}

.about-point p {
  font-size: var(--fs-text);
  color: var(--ink-muted);
}

/* —— Services —— */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.25s, transform 0.25s var(--ease);
}

.service-card:hover {
  border-color: var(--lime-border);
  transform: translateY(-2px);
}

.service-card.wide {
  grid-column: span 1;
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--forest);
  border: 1px solid var(--lime-border);
  border-radius: 10px;
  margin-bottom: 18px;
  font-size: calc(var(--fs-subhead) * 0.91);
}

.service-card h3 {
  font-size: var(--fs-card-title);
  color: var(--white);
  margin-bottom: 8px;
}

.service-card .en-sub {
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  color: var(--lime);
  margin-bottom: 12px;
}

.service-card p {
  font-size: var(--fs-text);
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tags li {
  font-size: var(--fs-label);
  padding: 4px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  color: var(--ink-dim);
}

/* —— Rocket / Process —— */
.rocket-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.rocket-step {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}

.rocket-step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -10px;
  width: 20px;
  height: 2px;
  background: var(--lime);
  opacity: 0.4;
  z-index: 1;
}

.rocket-step:last-child::after { display: none; }

.rocket-num {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  color: var(--lime);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  line-height: 1;
}

.rocket-step h3 {
  font-size: var(--fs-lead);
  color: var(--white);
  margin-bottom: 8px;
}

.rocket-step p {
  font-size: var(--fs-text);
  color: var(--ink-muted);
}

/* —— Cases —— */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.25s;
}

.case-card:hover { border-color: var(--lime-border); }

.case-brand {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.case-type {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 12px;
}

.case-card p {
  font-size: var(--fs-text);
  color: var(--ink-muted);
}

.cases-note {
  margin-top: 24px;
  font-size: var(--fs-caption);
  color: var(--ink-dim);
  text-align: center;
}

/* —— Advantages —— */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.adv-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.25s;
}

.adv-card:hover { border-color: var(--lime-border); }

.adv-num {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--forest-mid);
  -webkit-text-stroke: 1px var(--lime);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.adv-card h3 {
  font-size: calc(var(--fs-card-title) * 0.89);
  color: var(--white);
  margin-bottom: 8px;
}

.adv-card p {
  font-size: var(--fs-caption);
  color: var(--ink-muted);
  line-height: 1.55;
}

/* —— Team —— */
.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}

.team-role {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 24px 16px;
  text-align: center;
}

.team-count {
  font-family: var(--font-display);
  font-size: calc(var(--fs-display) * 0.8);
  color: var(--lime);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 8px;
}

.team-role h4 {
  font-size: var(--fs-text);
  color: var(--white);
  margin-bottom: 4px;
}

.team-role p {
  font-size: var(--fs-label);
  color: var(--ink-dim);
}

.mech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.mech-card {
  padding: 20px;
  border-left: 2px solid var(--lime);
  background: rgba(26, 61, 46, 0.25);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.mech-card h4 {
  font-size: var(--fs-btn);
  color: var(--white);
  margin-bottom: 6px;
}

.mech-card p {
  font-size: var(--fs-caption);
  color: var(--ink-muted);
}

/* —— Awards —— */
.awards-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.award-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
}

.award-item::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 8px rgba(184, 255, 60, 0.5);
}

.award-item span {
  font-size: var(--fs-btn);
  color: var(--ink);
}

.awards-note {
  margin-top: 20px;
  font-size: var(--fs-caption);
  color: var(--ink-dim);
}

/* —— Contact —— */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.contact-info h3 {
  font-size: var(--fs-h3);
  color: var(--white);
  margin-bottom: 12px;
}

.contact-info > p {
  color: var(--ink-muted);
  margin-bottom: 28px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s;
}

.contact-channel:hover {
  border-color: var(--lime-border);
  color: var(--white);
}

.contact-channel .ch-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lime-dim);
  border-radius: 8px;
  font-size: var(--fs-card-title);
}

.contact-channel strong {
  display: block;
  font-size: var(--fs-btn);
  color: var(--white);
}

.contact-channel small {
  font-size: var(--fs-label);
  color: var(--ink-dim);
}

.placeholder-badge {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  background: rgba(184, 255, 60, 0.15);
  color: var(--lime);
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-form h3 {
  font-size: var(--fs-card-title);
  color: var(--white);
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: var(--fs-label);
  font-weight: 600;
  color: var(--ink-muted);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: var(--fs-btn);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--lime);
}

.form-group textarea { min-height: 110px; resize: vertical; }

.form-group select option { background: var(--bg); }

.form-note {
  font-size: var(--fs-label);
  color: var(--ink-dim);
  margin-top: 12px;
}

.form-success {
  display: none;
  padding: 16px;
  background: var(--lime-dim);
  border: 1px solid var(--lime-border);
  border-radius: var(--radius-sm);
  color: var(--lime);
  font-size: var(--fs-text);
  margin-top: 12px;
}

.form-success.show { display: block; }

/* —— Footer —— */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 48px 0 32px;
  background: #050505;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--white);
  text-decoration: none;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: cover;
}

.footer-brand span {
  font-family: var(--font-display);
  font-size: var(--fs-subhead);
  letter-spacing: 0.06em;
}

.footer-brand span em {
  font-style: normal;
  color: var(--lime);
}

.footer-about {
  font-size: var(--fs-text);
  color: var(--ink-dim);
  max-width: 320px;
}

.footer-col h4 {
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--ink-dim);
  font-size: var(--fs-text);
  padding: 4px 0;
  text-decoration: none;
}

.footer-col a:hover { color: var(--lime); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: var(--fs-label);
  color: var(--ink-dim);
}

/* —— Mobile nav —— */
.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(12px);
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  z-index: 99;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  color: var(--ink);
  font-size: var(--fs-card-title);
  font-weight: 600;
  padding: 14px 16px;
  border-radius: 8px;
  text-decoration: none;
}

.nav-mobile a:hover { background: rgba(255,255,255,0.04); color: var(--lime); }

/* —— Responsive —— */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-logo-wrap { width: min(100%, 280px); margin-inline: auto; }
  .hero { min-height: auto; padding: 32px 0 72px; }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: 1fr 1fr; }
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .mech-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .rocket-step::after { display: none; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .rocket-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .mech-grid { grid-template-columns: 1fr; }
  .awards-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-meta { gap: 20px; }
  .container { width: min(100% - 28px, var(--max)); }
}

/* —— Reduced motion —— */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover, .service-card:hover { transform: none; }
}

/* —— Case Media Library —— */
.media-library {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.media-library-head { margin-bottom: 28px; text-align: center; }

.media-library-title {
  font-size: var(--fs-section-sm);
  color: var(--white);
  margin-bottom: 8px;
}

.media-library-lead {
  font-size: var(--fs-btn);
  color: var(--ink-muted);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.media-card {
  margin: 0;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  transition: border-color 0.25s, transform 0.35s var(--ease);
}

.media-card:hover {
  border-color: var(--lime-border);
  transform: translateY(-3px);
}

.media-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #000;
}

.media-card figcaption {
  padding: 12px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.media-card figcaption strong {
  font-size: var(--fs-btn);
  color: var(--white);
}

.media-card figcaption span {
  font-size: var(--fs-caption);
  color: var(--ink-muted);
}

.media-empty {
  text-align: center;
  color: var(--ink-dim);
  font-size: var(--fs-text);
  padding: 32px 16px;
  border: 1px dashed rgba(255,255,255,0.1);
  border-radius: var(--radius);
}

.media-empty[hidden] { display: none !important; }

.media-lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 24px;
  gap: 12px;
}

.media-lightbox.open { display: flex; }

.media-lightbox img {
  max-width: min(960px, 100%);
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
}

.media-lightbox .lb-cap {
  color: var(--ink-muted);
  font-size: var(--fs-text);
  text-align: center;
  max-width: 560px;
}

.media-lightbox .lb-close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  color: #fff;
  font-size: calc(var(--fs-display) * 0.8);
  cursor: pointer;
  line-height: 1;
}

/* —— Reveal animations —— */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

.hero-logo-wrap {
  animation: logoPulse 6s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 0 1px rgba(184,255,60,0.08), 0 24px 80px rgba(0,0,0,0.6), 0 0 40px rgba(184,255,60,0.06); }
  50% { box-shadow: 0 0 0 1px rgba(184,255,60,0.18), 0 28px 90px rgba(0,0,0,0.65), 0 0 70px rgba(184,255,60,0.14); }
}

.hero-tag .dot {
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (max-width: 960px) {
  .media-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .media-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .hero-logo-wrap, .hero-tag .dot { animation: none; }
  .media-card:hover { transform: none; }
}

/* —— Proof strip (hero meta 4-up) —— */
.hero-meta.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}
@media (max-width: 720px) {
  .hero-meta.proof-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* —— Industry tags —— */
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 12px;
  margin-top: 8px;
}
.industry-tag {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--lime-border);
  background: var(--lime-dim);
  color: var(--ink);
  font-size: var(--fs-text);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s;
}
.industry-tag:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: rgba(184, 255, 60, 0.18);
}

/* —— Case CAR cards —— */
.case-car .car-list {
  list-style: none;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.case-car .car-list li {
  font-size: var(--fs-text);
  color: var(--ink-muted);
  line-height: 1.55;
  padding-left: 0;
  border-left: 2px solid var(--lime-border);
  padding-left: 12px;
}
.case-car .car-k {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
  margin-right: 6px;
}

/* —— FAQ —— */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 4px 18px 4px;
  transition: border-color 0.25s;
}
.faq-item[open] { border-color: var(--lime-border); }
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: calc(var(--fs-card-title) * 0.89);
  padding: 14px 0;
  list-style: none;
  color: var(--white);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--lime);
  font-weight: 400;
  font-size: calc(var(--fs-subhead) * 0.91);
  line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p {
  color: var(--ink-muted);
  font-size: var(--fs-btn);
  padding-bottom: 16px;
  line-height: 1.65;
}
.faq-cta { margin-top: 28px; }

/* rough intensity toggle from CMS */
html.cms-rough .service-card,
html.cms-rough .case-card,
html.cms-rough .adv-card {
  border-radius: 4px;
  box-shadow: 3px 3px 0 rgba(184,255,60,0.15);
}

.cases-awaiting {
  margin: 8px 0 28px;
  padding: 16px 18px;
  border: 1px dashed var(--lime-border);
  border-radius: var(--radius);
  background: rgba(26, 61, 46, 0.25);
  color: var(--ink-muted);
  font-size: var(--fs-btn);
}


/* —— Featured case CAR blocks —— */
.case-card-featured .case-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-sm, 8px);
  margin-bottom: 14px;
  background: #000;
}
.case-block {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.case-block h4 {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 4px;
}
.case-block p {
  font-size: var(--fs-text);
  color: var(--ink-muted);
  margin: 0;
}
.cases-await-msg { margin: 0; }

/* —— Sticky WhatsApp CTA —— */
.sticky-cta {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,.45));
}
.sticky-cta .btn { padding: 12px 20px; font-size: var(--fs-btn); }
@media (max-width: 640px) {
  .sticky-cta { right: 12px; bottom: 12px; left: 12px; }
  .sticky-cta .btn { width: 100%; }
}



/* —— BridgeQ motion pack v3 (Nothin’-inspired) —— */
/* Fewer, slower, more deliberate. Black + lime only. */

:root {
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-dur: 1.05s;
}

/* Hero: slower staggered rise — editorial, not busy */
.hero-copy > * {
  opacity: 0;
  transform: translateY(40px);
  animation: heroRise var(--motion-dur) var(--motion-ease-out) forwards;
}
.hero-copy > *:nth-child(1) { animation-delay: 0.08s; }
.hero-copy > *:nth-child(2) { animation-delay: 0.22s; }
.hero-copy > *:nth-child(3) { animation-delay: 0.36s; }
.hero-copy > *:nth-child(4) { animation-delay: 0.5s; }
.hero-copy > *:nth-child(5) { animation-delay: 0.64s; }
.hero-copy > *:nth-child(6) { animation-delay: 0.78s; }
@keyframes heroRise {
  to { opacity: 1; transform: none; }
}

.hero-visual {
  opacity: 0;
  transform: translateY(48px);
  animation: heroVisualIn 1.25s var(--motion-ease-out) 0.28s forwards;
}
@keyframes heroVisualIn {
  to { opacity: 1; transform: none; }
}

/* Soft lime aura drift — very subtle */
.hero-logo-glow {
  animation: glowDrift 10s ease-in-out infinite alternate;
}
@keyframes glowDrift {
  from { transform: translate(-2%, -1%) scale(1); opacity: 0.55; }
  to { transform: translate(2%, 2%) scale(1.04); opacity: 0.9; }
}

/* Scroll reveals — longer travel, slower settle */
[data-reveal] {
  opacity: 0;
  transform: translateY(48px);
  transition:
    opacity var(--motion-dur) var(--motion-ease-out),
    transform var(--motion-dur) var(--motion-ease-out);
  transition-delay: var(--reveal-delay, 0s);
}
[data-reveal="up"] { transform: translateY(48px); }
[data-reveal="left"] { transform: translateX(-40px); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal="scale"] { transform: scale(0.96) translateY(24px); }
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* Section labels: slight tracking expand on reveal */
.section-label {
  letter-spacing: 0.12em;
  transition: letter-spacing 0.9s var(--motion-ease-out), color 0.3s;
}
[data-reveal].is-in .section-label,
.section.is-in .section-label {
  letter-spacing: 0.22em;
}

/* Cards: restrained lift — less glow spam than v2 */
.service-card,
.stat-card,
.adv-card,
.team-card,
.team-role,
.media-card,
.case-card {
  transition:
    transform 0.55s var(--motion-ease-out),
    border-color 0.4s,
    box-shadow 0.55s var(--motion-ease-out),
    background 0.35s;
}
.service-card:hover,
.stat-card:hover,
.adv-card:hover,
.team-card:hover,
.team-role:hover,
.media-card:hover,
.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--lime-border);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 0 1px rgba(184,255,60,0.1);
}
.industry-tag {
  transition: transform 0.4s var(--motion-ease-out), border-color 0.3s, background 0.3s, color 0.3s;
}
.industry-tag:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(184,255,60,0.14);
}

/* Buttons: no shine sweep — studio restraint; soft lift only */
.btn {
  transition: transform 0.35s var(--motion-ease-out), background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.4s;
}
.btn::after { display: none !important; }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(184,255,60,0.22);
}
.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
}

/* Nav underline — slower draw */
.nav-links a { position: relative; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--motion-ease-out);
}
.nav-links a:hover::after,
.nav-links a[aria-current="true"]::after {
  transform: scaleX(1);
}
.nav-cta {
  transition: transform 0.35s var(--motion-ease-out), box-shadow 0.4s;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(184,255,60,0.3);
}

/* Header glass on scroll */
.site-header,
.site-nav {
  transition: background 0.45s var(--motion-ease), border-color 0.45s, backdrop-filter 0.45s;
}
.site-header.is-scrolled,
.site-nav.is-scrolled {
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(14px);
  border-bottom-color: rgba(184,255,60,0.14);
}

/* Thin lime progress — still useful, keep subtle */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 1.5px;
  width: 0%;
  z-index: 2000;
  background: var(--lime);
  pointer-events: none;
  opacity: 0.85;
}

/* Horizontal marquee strip — Nothin’-style perspective line */
.bq-marquee {
  overflow: hidden;
  border-block: 1px solid rgba(184,255,60,0.18);
  background: #0a0a0a;
  padding: 22px 0;
}
.bq-marquee__track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: bqMarquee 42s linear infinite;
  will-change: transform;
}
.bq-marquee__track span {
  font-family: var(--font-display), Impact, sans-serif;
  font-size: var(--fs-marquee);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(184,255,60,0.55);
  padding-inline: 2.5rem;
  white-space: nowrap;
}
.bq-marquee__track span em {
  font-style: normal;
  color: var(--lime);
  -webkit-text-stroke: 0;
}
@keyframes bqMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.bq-marquee:hover .bq-marquee__track {
  animation-play-state: paused;
}

/* Image / visual slow zoom on hover — gallery/media */
.media-card img,
.hero-logo-wrap img,
.case-card img {
  transition: transform 1.1s var(--motion-ease-out);
}
.media-card:hover img,
.case-card:hover img {
  transform: scale(1.04);
}

@media (prefers-reduced-motion: reduce) {
  .hero-copy > *,
  .hero-visual,
  .hero-logo-glow {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .bq-marquee__track { animation: none !important; }
  .service-card:hover,
  .stat-card:hover,
  .adv-card:hover,
  .team-card:hover,
  .team-role:hover,
  .media-card:hover,
  .case-card:hover,
  .industry-tag:hover,
  .btn:hover,
  .nav-cta:hover {
    transform: none !important;
    box-shadow: none !important;
  }
  .media-card:hover img,
  .case-card:hover img { transform: none !important; }
  .scroll-progress { display: none; }
  .section-label { letter-spacing: 0.12em !important; }
}

/* Featured service tag (WeChat) */
.service-tags .is-featured {
  border-color: rgba(184, 255, 60, 0.55);
  color: var(--lime);
  background: rgba(184, 255, 60, 0.08);
  font-weight: 700;
}


/* === Partner ref 2026-10-16: platforms / pillars / flow / scenes === */
.bq-scene {
  margin: 36px 0 0;
  border-radius: var(--radius, 12px);
  overflow: hidden;
  border: 1px solid rgba(184, 255, 60, 0.18);
  background: #0a0a0a;
}
.bq-scene img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}
.bq-scene--platforms { margin-top: 28px; }

.platform-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 14px;
  margin-top: 8px;
}
.platform-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(184, 255, 60, 0.28);
  background: rgba(26, 61, 46, 0.35);
  color: #f2f2f2;
  font-size: var(--fs-text);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: border-color .2s, background .2s, transform .2s;
}
.platform-pill:hover {
  border-color: var(--lime, #b8ff3c);
  background: rgba(26, 61, 46, 0.55);
  transform: translateY(-1px);
}
.platform-pill img {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.platform-pill .lang-en { display: none; }
html[data-lang="en"] .platform-pill .lang-zh { display: none; }
html[data-lang="en"] .platform-pill .lang-en { display: inline; }

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.pillar-card {
  background: rgba(10, 10, 10, 0.65);
  border: 1px solid rgba(184, 255, 60, 0.22);
  border-radius: var(--radius, 12px);
  padding: 20px 18px;
}
.pillar-card .pillar-num {
  font-family: var(--font-display, inherit);
  color: var(--lime, #b8ff3c);
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.pillar-card h3 {
  font-size: calc(var(--fs-card-title) * 0.93);
  margin: 0 0 10px;
  color: #fff;
}
.pillar-card p {
  margin: 0;
  color: var(--muted, #a3a3a3);
  font-size: var(--fs-text);
  line-height: 1.55;
}
.pillar-card .pillar-map {
  margin-top: 12px;
  color: var(--lime, #b8ff3c);
  font-size: var(--fs-label);
  font-weight: 600;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.flow-step {
  position: relative;
  background: #0f0f0f;
  border: 1px solid rgba(184, 255, 60, 0.25);
  border-radius: var(--radius, 12px);
  padding: 22px 18px;
}
.flow-step .flow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--forest, #1a3d2e);
  color: var(--lime, #b8ff3c);
  font-weight: 700;
  font-size: var(--fs-caption);
  margin-bottom: 12px;
  border: 1px solid rgba(184, 255, 60, 0.35);
}
.flow-step h3 {
  font-size: calc(var(--fs-card-title) * 0.93);
  margin: 0 0 8px;
  color: #fff;
}
.flow-step p {
  margin: 0;
  color: var(--muted, #a3a3a3);
  font-size: var(--fs-text);
  line-height: 1.55;
}
.flow-step .lang-en { display: none; }
html[data-lang="en"] .flow-step .lang-zh { display: none; }
html[data-lang="en"] .flow-step .lang-en { display: inline; }

@media (max-width: 960px) {
  .pillars-grid,
  .flow-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .pillars-grid,
  .flow-grid { grid-template-columns: 1fr; }
  .platform-pill { font-size: var(--fs-caption); padding: 8px 12px 8px 10px; }
}

.footer-admin-link { font-size: var(--fs-label); }