/* ==========================================================================
   Widgeted — design tokens
   Palette: cyan from the logo (#00ABC9) on a cool paper canvas, with deep
   teal bands for contrast. Type: system sans for Chinese, mono for labels.
   ========================================================================== */

:root {
  --canvas: #eef2f4;
  --canvas-2: #e5ecef;
  --surface: #ffffff;
  --surface-2: #f6f9fa;
  --ink: #08191f;
  --ink-2: #3f545c;
  --muted: #71858d;
  --line: #d8e2e6;
  --line-strong: #c2d0d6;
  --accent: #00abc9;
  --accent-strong: #008ba3;
  --accent-soft: #dff6fb;
  --deep: #061a21;
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --pill: 999px;
  --shadow-float: 0 24px 60px rgba(6, 26, 33, 0.16);
  --maxw: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
[id] { scroll-margin-top: 110px; }

:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 16px; }

/* ---------- layout ---------- */

.container {
  width: min(var(--maxw), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}
.narrow { max-width: 820px; }

.section { padding: 96px 0; }
.section-tight { padding-top: 32px; }
.section-alt { background: var(--canvas-2); }
.section-dark { background: var(--deep); color: #fff; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- typography ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-strong);
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  flex: none;
}
.eyebrow-light { color: #7fe3f2; }
.eyebrow-light .dot { box-shadow: 0 0 0 4px rgba(127, 227, 242, 0.15); }

.display {
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.98;
}
.display-cn { display: block; font-size: clamp(44px, 7.2vw, 96px); }
.display-en {
  display: block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: clamp(11px, 1.2vw, 15px);
  font-weight: 500;
  letter-spacing: 0.3em;
  line-height: 1.7;
  color: var(--ink-2);
}
.display-page {
  margin-top: 18px;
  font-size: clamp(38px, 5.8vw, 78px);
}

.h2 {
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 800;
}
.h2-light { color: #fff; }
.h3 { font-size: clamp(21px, 2.2vw, 28px); letter-spacing: -0.02em; font-weight: 700; }

.lede {
  margin-top: 26px;
  max-width: 34em;
  font-size: clamp(16px, 1.4vw, 18.5px);
  line-height: 1.75;
  color: var(--ink-2);
}
.lede-wide { max-width: 46em; }
.body-lg { font-size: 16.5px; line-height: 1.85; color: var(--ink-2); margin-top: 18px; }

.section-head {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px 48px;
  align-items: end;
  margin-bottom: 48px;
}
.section-head .eyebrow { grid-column: 1 / -1; }
.section-note {
  justify-self: end;
  max-width: 34em;
  color: var(--ink-2);
  line-height: 1.75;
  font-size: 15px;
}

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-block;
  padding: 5px 11px;
  border-radius: var(--pill);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease,
    transform 0.18s ease;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-accent { background: var(--accent); color: #002b33; }
.btn-accent:hover { background: var(--accent-strong); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #0d2a33; }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); background: rgba(255, 255, 255, 0.5); }
.btn-quiet { border-color: rgba(6, 26, 33, 0.2); color: var(--ink); }
.btn-quiet:hover { border-color: var(--ink); }
.btn-sm { padding: 10px 18px; font-size: 13.5px; }
.btn-block { width: 100%; }

/* ---------- floating nav ---------- */

.nav {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: min(var(--maxw), calc(100% - 28px));
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 68px;
  padding: 0 14px 0 20px;
  border: 1px solid rgba(6, 26, 33, 0.08);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 8px 30px rgba(6, 26, 33, 0.07);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}
.nav.is-scrolled .nav-inner {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 40px rgba(6, 26, 33, 0.12);
}
.brand { display: flex; align-items: center; flex: none; }
.brand img { height: 34px; width: auto; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
  padding: 9px 14px;
  border-radius: var(--pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  transition: background 0.16s ease, color 0.16s ease;
}
.nav-link:hover { background: var(--canvas-2); color: var(--ink); }
.nav-link.is-active { background: var(--accent-soft); color: var(--ink); }
.nav-cta { margin-left: 2px; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  align-items: center;
  justify-content: center;
  margin-left: auto;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }
.nav-toggle-close { display: none; }
.nav.is-open .nav-toggle-open { display: none; }
.nav.is-open .nav-toggle-close { display: block; }

/* ---------- hero ---------- */

.hero { position: relative; padding: 152px 0 88px; overflow: hidden; }

.hero-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(6, 26, 33, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 26, 33, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(70% 60% at 60% 30%, #000 0%, transparent 78%);
  mask-image: radial-gradient(70% 60% at 60% 30%, #000 0%, transparent 78%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.hero-meta li::before { content: "—"; margin-right: 8px; color: var(--accent); }

/* floating app mockups */

.hero-visual { position: relative; height: 470px; }
.orb {
  position: absolute;
  right: -8%;
  top: -12%;
  width: min(420px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #c9f3fa 0%, #00abc9 46%, #06414f 100%);
  opacity: 0.85;
  filter: blur(1px);
}
.mock {
  position: absolute;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-float);
}
.mock-back { left: 0; top: 54px; width: 58%; transform: rotate(-6deg); }
.mock-mid { right: 0; top: 0; width: 44%; transform: rotate(4deg); }
.mock-front { right: 5%; bottom: 0; width: 60%; transform: rotate(-2deg); }
.mock-head { display: flex; gap: 6px; margin-bottom: 16px; }
.mock-head span { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.mock-row { height: 10px; border-radius: 6px; background: var(--canvas-2); margin-bottom: 10px; }
.w-90 { width: 90%; } .w-80 { width: 80%; } .w-70 { width: 70%; }
.w-60 { width: 60%; } .w-50 { width: 50%; } .w-45 { width: 45%; }
.mock-chart { display: flex; align-items: flex-end; gap: 8px; height: 84px; margin-top: 18px; }
.mock-chart .bar { flex: 1; border-radius: 6px; background: var(--accent-soft); }
.bar.b1 { height: 42%; } .bar.b2 { height: 68%; } .bar.b3 { height: 52%; }
.bar.b4 { height: 88%; background: var(--accent); } .bar.b5 { height: 60%; }
.mock-kpi {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 16px;
}
.mock-pill {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 11px;
  border-radius: var(--pill);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
}
.mock-cta { margin-top: 16px; height: 34px; border-radius: var(--pill); background: var(--ink); }

/* ---------- marquee ---------- */

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--surface);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee-track span {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 17px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}
.marquee-track span::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
  margin-left: 20px;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- service cards ---------- */

.card,
.product-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}
.card:hover,
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 18px 40px rgba(6, 26, 33, 0.08);
}
.card-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.card-icon svg { width: 22px; height: 22px; }
.card-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.card h3 { margin: 8px 0 10px; font-size: 19px; letter-spacing: -0.01em; }
.card p { flex: 1; font-size: 14.5px; line-height: 1.65; color: var(--ink-2); }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent-strong);
}
.card-link svg { width: 16px; height: 16px; transition: transform 0.18s ease; }

.card-cta { background: var(--deep); border-color: transparent; color: #fff; }
.card-cta h3 { color: #fff; }
.card-cta p { color: rgba(255, 255, 255, 0.64); }
.card-cta .card-icon { background: rgba(255, 255, 255, 0.08); color: #7fe3f2; }
.card-cta .card-tag { color: #7fe3f2; }
.card-cta .card-link { color: #7fe3f2; }
.card-cta:hover { border-color: var(--accent); }
.card:hover .card-link svg,
.product-card:hover .card-link svg { transform: translateX(3px); }

/* ---------- work ---------- */

.work-card,
.work-feature {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.work-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(6, 26, 33, 0.1); }

.work-art { position: relative; display: block; height: 176px; overflow: hidden; }
.work-art-lg { height: 240px; }
.work-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 34px 34px;
  mix-blend-mode: overlay;
}
.art-1 { background: radial-gradient(120% 120% at 18% 12%, #d6f4fa 0%, #00abc9 46%, #06414f 100%); }
.art-2 { background: conic-gradient(from 205deg at 62% 40%, #06414f, #00abc9, #d6f4fa, #06414f); }
.art-3 { background: radial-gradient(100% 140% at 80% 20%, #7fe3f2 0%, #00abc9 38%, #061a21 100%); }
.art-4 { background: linear-gradient(135deg, #061a21 0%, #0d4b59 55%, #00abc9 100%); }
.art-5 { background: radial-gradient(90% 120% at 30% 80%, #dff6fb 0%, #4fc9dd 40%, #06414f 100%); }
.art-6 { background: linear-gradient(200deg, #bff0f8 0%, #00abc9 45%, #061a21 100%); }

.work-body { display: flex; flex-direction: column; gap: 10px; padding: 24px; }
.work-cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}
.work-body h3, .work-feature-body h2 { font-size: 19px; letter-spacing: -0.01em; }
.work-body p, .work-feature-body p { font-size: 14.5px; line-height: 1.65; color: var(--ink-2); }
.work-feature-body { display: flex; flex-direction: column; gap: 12px; padding: 28px; }

/* ---------- dark band ---------- */

.dark-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 48px;
  align-items: end;
  margin-bottom: 48px;
}
.dark-head .eyebrow { grid-column: 1 / -1; }

.principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.12);
}
.principle { padding: 32px; background: var(--deep); }
.principle h3 { margin-bottom: 10px; font-size: 17px; color: #fff; }
.principle p { font-size: 14.5px; line-height: 1.75; color: rgba(255, 255, 255, 0.64); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.stat-value {
  display: block;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
  color: #fff;
}
.stat-label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7fe3f2;
}

/* ---------- products ---------- */

.product-card { gap: 8px; }
.product-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}
.product-card h3 { margin: 6px 0 8px; font-size: 20px; letter-spacing: -0.015em; }
.product-card p { font-size: 14.5px; line-height: 1.65; color: var(--ink-2); flex: 1; }

.product-list { display: grid; gap: 20px; }
.product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 36px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.product-head h2 { margin: 8px 0 12px; }
.product-head p { color: var(--ink-2); line-height: 1.7; }
.product-for { margin-top: 18px; font-size: 14px; color: var(--ink-2); }
.product-for strong { color: var(--ink); }

/* ---------- process ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  list-style: none;
}
.step { padding-top: 18px; border-top: 2px solid var(--ink); }
.step-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--accent-strong);
}
.step h3 { margin: 12px 0 8px; font-size: 16.5px; }
.step p { font-size: 14px; line-height: 1.7; color: var(--ink-2); }

/* ---------- cta ---------- */

.cta-band { padding: 76px 0; background: var(--accent); color: #002b33; }
.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
}
.cta-band .eyebrow { color: #00505f; }
.cta-note { margin-top: 14px; color: #00505f; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- inner page hero ---------- */

.page-hero { padding: 150px 0 56px; }
.page-hero-detail { padding-bottom: 40px; }
.notfound { min-height: 70vh; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.back-link svg { width: 16px; height: 16px; transform: rotate(180deg); }
.back-link:hover { color: var(--ink); }

/* ---------- services list ---------- */

.service-list { border-top: 1px solid var(--line); }
.service-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 300px;
  gap: 32px;
  padding: 36px 8px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.service-row:hover { background: rgba(255, 255, 255, 0.62); }
.service-index {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.service-main h2 {
  margin: 6px 0 10px;
  font-size: clamp(21px, 2.3vw, 29px);
  letter-spacing: -0.02em;
}
.service-main p { max-width: 38em; line-height: 1.72; color: var(--ink-2); }
.service-side {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}
.service-side .tag-row { flex: 1; }

.round-link {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.round-link svg { width: 18px; height: 18px; }
.service-row:hover .round-link {
  background: var(--accent);
  border-color: var(--accent);
  color: #002b33;
  transform: rotate(45deg);
}

.deliver-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}
.deliver { padding-top: 18px; border-top: 1px solid var(--line); }
.deliver h3 { margin-bottom: 8px; font-size: 16px; }
.deliver p { font-size: 14px; line-height: 1.7; color: var(--ink-2); }

/* ---------- service detail ---------- */

.detail-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 48px; }
.check-list { display: grid; gap: 18px; margin-top: 24px; list-style: none; }
.check-list li { display: flex; gap: 14px; font-size: 16px; line-height: 1.7; color: var(--ink-2); }
.check {
  display: grid;
  place-items: center;
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.check svg { width: 14px; height: 14px; }

.side-card {
  position: sticky;
  top: 110px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.side-card h3, .side-card h2 { margin-bottom: 16px; }
.plain-list { display: grid; gap: 10px; margin-bottom: 24px; list-style: none; }
.plain-list li { position: relative; padding-left: 18px; font-size: 14.5px; line-height: 1.6; color: var(--ink-2); }
.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- about ---------- */

.about-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 56px; }
.facts {
  align-self: start;
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--line);
}
.fact {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  font-size: 14px;
}
.fact span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.fact strong { font-weight: 600; text-align: right; }

/* ---------- contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1.35fr 0.85fr; gap: 40px; align-items: start; }
.contact-form {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.field-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.form-status { font-size: 14px; color: var(--ink-2); }
.form-status.is-error { color: #b42318; }
.form-status.is-ok { color: #0a7a3d; }
.form-note { margin-top: 18px; font-size: 12px; line-height: 1.65; color: var(--muted); }

.contact-side { position: sticky; top: 110px; display: grid; gap: 20px; }
.side-card-dark { background: var(--deep); border-color: transparent; color: #fff; }
.side-card-dark h2 { color: #fff; }
.contact-list { display: grid; gap: 14px; margin: 18px 0; list-style: none; }
.contact-list li { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: rgba(255, 255, 255, 0.82); }
.contact-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #7fe3f2;
}
.contact-icon svg { width: 17px; height: 17px; }
.contact-list a { color: #fff; border-bottom: 1px solid rgba(255, 255, 255, 0.25); }
.contact-note {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
}
.reply-steps { display: grid; gap: 12px; margin-top: 14px; list-style: none; counter-reset: r; }
.reply-steps li {
  position: relative;
  padding-left: 32px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
  counter-increment: r;
}
.reply-steps li::before {
  content: counter(r);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

/* ---------- footer ---------- */

.footer { padding: 72px 0 32px; background: var(--deep); color: rgba(255, 255, 255, 0.72); }
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand img { height: 46px; width: auto; }
.footer-tagline {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: #7fe3f2;
}
.footer-intro { margin-top: 14px; max-width: 34em; font-size: 14px; line-height: 1.75; color: rgba(255, 255, 255, 0.58); }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer-links h3 {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7fe3f2;
}
.footer-links ul { display: grid; gap: 10px; list-style: none; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.42);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: #fff; }

/* ---------- motion ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .btn, .card, .work-card, .round-link, .card-link svg { transition: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 400px; max-width: 540px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .detail-grid, .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .side-card, .contact-side { position: static; }
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 2px;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow-float);
  }
  .nav-links.is-open { display: flex; }
  .nav-link { padding: 12px 14px; border-radius: 12px; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-inner { gap: 12px; }
}

@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .grid-2, .grid-3, .grid-4, .principles { grid-template-columns: 1fr; }
  .product-row, .contact-grid, .section-head, .dark-head { grid-template-columns: 1fr; gap: 28px; }
  .section-note { justify-self: start; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .deliver-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-row { grid-template-columns: 40px minmax(0, 1fr); gap: 16px; padding: 28px 4px; }
  .service-side { grid-column: 2; flex-direction: row; align-items: center; justify-content: space-between; }
  .product-row { padding: 26px; }
  .page-hero { padding-top: 128px; }
  .footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .hero { padding-top: 120px; }
  .display-cn { font-size: clamp(38px, 11.5vw, 60px); }
  .field-row { grid-template-columns: 1fr; }
  .steps, .stats { grid-template-columns: 1fr 1fr; }
  .hero-meta { gap: 6px 18px; }
  .cta-inner { align-items: flex-start; }
  .contact-form { padding: 22px; }
  .footer-bottom { flex-direction: column; }
}