/* ============================================================
   SPECVALTECH — Global Design System v3.0
   Reference: Vaisala / Honeywell / Axetris visual language
   ============================================================ */

/* ── 1. CSS Custom Properties ─────────────────────────────── */
:root {
  --ink:        #0A1628;
  --ink-2:      #162540;
  --ink-3:      #1E3A5F;
  --cyan:       #00C8A0;
  --cyan-dim:   #00A882;
  --cyan-pale:  #E6F9F5;
  --white:      #FFFFFF;
  --off-white:  #F4F7FA;
  --mid-gray:   #E2E8EF;
  --text-body:  #2D4159;
  --text-muted: #6B7E8F;
  --warn:       #F59E0B;
  --danger:     #EF4444;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --w-content: 1280px;
  --w-text:    720px;
  --pad-x: clamp(20px, 5vw, 80px);
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --shadow-sm:  0 1px 3px rgba(10,22,40,.08);
  --shadow-md:  0 4px 16px rgba(10,22,40,.10);
  --shadow-lg:  0 12px 40px rgba(10,22,40,.14);
  --shadow-xl:  0 24px 64px rgba(10,22,40,.18);
  --ease: cubic-bezier(.25,.46,.45,.94);
  --t-fast: 160ms;
  --t-base: 260ms;
  --t-slow: 400ms;
}

/* ── 2. Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--cyan-dim); text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--cyan); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── 3. Typography ────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--ink);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1.06; letter-spacing: -0.05em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); line-height: 1.10; }
h3 { font-size: clamp(1.1rem, 2vw, 1.45rem); line-height: 1.20; letter-spacing: -0.02em; }
h4 { font-size: 1.05rem; line-height: 1.30; }
h5 { font-size: .85rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
p { margin-bottom: 1.1em; }
p:last-child { margin-bottom: 0; }
.lead { font-size: clamp(1.05rem, 1.8vw, 1.2rem); line-height: 1.65; color: var(--text-body); }
.eyebrow {
  display: inline-block; font-size: .75rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 14px;
}
/* CJK overrides */
:lang(zh) h1, :lang(zh) h2 { line-height: 1.22; letter-spacing: -.01em; }
:lang(zh) h3, :lang(zh) h4 { line-height: 1.38; }
:lang(zh) p, :lang(zh) li  { line-height: 1.90; }
:lang(de) h1, :lang(de) h2 { line-height: 1.14; }
:lang(ru) h1, :lang(ru) h2 { line-height: 1.16; }
:lang(pl) h1, :lang(pl) h2 { line-height: 1.16; }

/* ── 4. Layout ────────────────────────────────────────────── */
.container {
  width: 100%; max-width: var(--w-content);
  margin-inline: auto; padding-inline: var(--pad-x);
}
.container-narrow {
  width: 100%; max-width: var(--w-text);
  margin-inline: auto; padding-inline: var(--pad-x);
}
.section      { padding-block: 96px; }
.section-sm   { padding-block: 64px; }
.section-lg   { padding-block: clamp(96px, 8vw, 120px); }

/* Section backgrounds */
.bg-white     { background: var(--white); }
.bg-off       { background: var(--off-white); }
.bg-ink       { background: var(--ink); color: var(--white); }
.bg-ink-2     { background: var(--ink-2); color: var(--white); }
.bg-ink-3     { background: var(--ink-3); color: var(--white); }
.bg-cyan-pale { background: var(--cyan-pale); }
.bg-ink h1,.bg-ink h2,.bg-ink h3,.bg-ink h4,
.bg-ink-2 h1,.bg-ink-2 h2,.bg-ink-2 h3,.bg-ink-2 h4,
.bg-ink-3 h1,.bg-ink-3 h2,.bg-ink-3 h3,.bg-ink-3 h4 { color: var(--white); }
.text-muted   { color: var(--text-muted); }
.text-center  { text-align: center; }
.text-white   { color: var(--white); }
.text-cyan    { color: var(--cyan); }

/* ── 5. Navigation ────────────────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--mid-gray);
  transition: box-shadow var(--t-base) var(--ease);
}
.site-nav.scrolled { box-shadow: 0 2px 20px rgba(10,22,40,.10); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.nav-logo-mark {
  width: 34px; height: 34px; background: var(--ink);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-mark span { color: var(--cyan); font-size: .95rem; font-weight: 900; }
.nav-logo-text { font-size: 1.05rem; font-weight: 800; color: var(--ink); letter-spacing: -.03em; }
.nav-logo-text em { color: var(--cyan); font-style: normal; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  padding: 6px 14px; font-size: .86rem; font-weight: 600;
  color: var(--text-body); border-radius: var(--r-sm);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { background: var(--off-white); color: var(--ink); }
.nav-cta { flex-shrink: 0; }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: var(--r-sm); cursor: pointer;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: transform var(--t-base) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav-mobile {
  display: none; flex-direction: column;
  padding: 12px var(--pad-x) 20px;
  border-top: 1px solid var(--mid-gray);
  background: var(--white); gap: 4px;
}
.nav-mobile a {
  padding: 10px 14px; font-size: .95rem; font-weight: 600;
  color: var(--text-body); border-radius: var(--r-sm);
  transition: background var(--t-fast) var(--ease);
}
.nav-mobile a:hover { background: var(--off-white); }
.nav-mobile.open { display: flex; }

/* ── 6. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; font-size: .9rem; font-weight: 700;
  letter-spacing: .01em; border-radius: var(--r-md);
  transition: background var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
  white-space: nowrap; cursor: pointer;
  border: 2px solid transparent; text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--cyan); color: var(--ink); border-color: var(--cyan); }
.btn-primary:hover {
  background: var(--cyan-dim); border-color: var(--cyan-dim); color: var(--ink);
  box-shadow: 0 6px 20px rgba(0,200,160,.35);
}
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--mid-gray); }
.btn-secondary:hover { background: var(--off-white); border-color: var(--ink); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: var(--white); color: var(--white); }
.btn-ghost-cyan { background: transparent; color: var(--cyan); border-color: var(--cyan); }
.btn-ghost-cyan:hover { background: var(--cyan); color: var(--ink); }
.btn-sm { padding: 8px 18px; font-size: .8rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ── 7. Hero ──────────────────────────────────────────────── */
.hero {
  background: var(--ink); min-height: 88vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 50%, rgba(0,200,160,.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(0,200,160,.05) 0%, transparent 50%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center; padding-block: 96px;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,200,160,.12); border: 1px solid rgba(0,200,160,.3);
  color: var(--cyan); font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px; margin-bottom: 24px;
}
.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 em { color: var(--cyan); font-style: normal; }
.hero .lead { color: rgba(255,255,255,.72); margin-bottom: 40px; max-width: 520px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stat-value { font-size: 1.9rem; font-weight: 900; color: var(--cyan); letter-spacing: -.04em; line-height: 1; }
.hero-stat-label { font-size: .75rem; color: rgba(255,255,255,.5); margin-top: 4px; line-height: 1.3; }
.hero-visual { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; }
.hero-visual-frame {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--r-xl); padding: 40px;
  width: 100%; min-height: 500px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.hero-visual-frame::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(0,200,160,.06) 0%, transparent 70%);
  border-radius: inherit;
}
.hero-visual-frame img, .hero-visual-frame svg {
  width: 100%; height: auto; max-height: 460px; object-fit: contain; position: relative; z-index: 1;
}

/* ── 8. AEO Block ─────────────────────────────────────────── */
.aeo-block { background: var(--cyan); padding-block: 64px; }
.aeo-inner { display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: start; }
.aeo-icon {
  width: 52px; height: 52px; background: var(--ink); border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 4px;
}
.aeo-icon svg { width: 26px; height: 26px; }
.aeo-label { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink); opacity: .6; margin-bottom: 8px; }
.aeo-block h2 { font-size: clamp(1.2rem, 2.5vw, 1.65rem); color: var(--ink); margin-bottom: 14px; letter-spacing: -.03em; }
.aeo-block p { font-size: .97rem; color: var(--ink); opacity: .78; max-width: 820px; }

/* ── 9. Pain Cards ────────────────────────────────────────── */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.pain-card {
  background: var(--white); border: 1px solid var(--mid-gray);
  border-radius: var(--r-lg); padding: 32px;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.pain-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--cyan); }
.pain-icon {
  width: 48px; height: 48px; background: var(--cyan-pale); border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.4rem;
}
.pain-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--ink); }
.pain-card p { font-size: .88rem; color: var(--text-muted); line-height: 1.65; margin: 0; }

/* ── 10. Audience Cards ───────────────────────────────────── */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.audience-card {
  background: var(--ink); border-radius: var(--r-lg); padding: 32px;
  position: relative; overflow: hidden;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}
.audience-card::before {
  content: ''; position: absolute; top: 0; right: 0;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(0,200,160,.15) 0%, transparent 70%);
  border-radius: 50%;
}
.audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.audience-card h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 10px; }
.audience-card p { color: rgba(255,255,255,.62); font-size: .88rem; line-height: 1.65; margin: 0; }
.audience-tag {
  display: inline-block; background: rgba(0,200,160,.15); color: var(--cyan);
  font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px; margin-bottom: 14px;
}

/* ── 11. Bridge Section ───────────────────────────────────── */
.bridge-section { background: var(--ink-3); padding-block: 80px; }
.bridge-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.bridge-visual {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--r-xl); padding: 40px;
  min-height: 420px; display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.bridge-visual img, .bridge-visual svg {
  width: 100%; height: auto; max-height: 380px; object-fit: contain;
}
.bridge-points { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.bridge-point { display: flex; gap: 16px; align-items: flex-start; }
.bridge-point-num {
  width: 32px; height: 32px; background: var(--cyan); color: var(--ink);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 900; flex-shrink: 0; margin-top: 2px;
}
.bridge-point-text h4 { color: var(--white); font-size: .95rem; margin-bottom: 4px; }
.bridge-point-text p { color: rgba(255,255,255,.58); font-size: .84rem; line-height: 1.6; margin: 0; }

/* ── 12. Module Cards ─────────────────────────────────────── */
.module-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 48px; }
.module-card {
  background: var(--white); border: 1px solid var(--mid-gray);
  border-radius: var(--r-xl); overflow: hidden;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  display: flex; flex-direction: column;
}
.module-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); border-color: var(--cyan); }
.module-card-visual {
  background: var(--off-white); min-height: 360px;
  display: flex; align-items: center; justify-content: center;
  padding: 40px; overflow: hidden; position: relative;
}
.module-card-visual img, .module-card-visual svg {
  width: 100%; height: auto; max-height: 320px; object-fit: contain;
  transition: transform var(--t-slow) var(--ease);
}
.module-card:hover .module-card-visual img,
.module-card:hover .module-card-visual svg { transform: scale(1.04); }
.module-card-body { padding: 32px; flex: 1; display: flex; flex-direction: column; }
.module-card-tag {
  display: inline-block; background: var(--cyan-pale); color: var(--cyan-dim);
  font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px; margin-bottom: 14px;
}
.module-card h3 { font-size: 1.35rem; color: var(--ink); margin-bottom: 10px; }
.module-card p { font-size: .9rem; color: var(--text-muted); line-height: 1.65; flex: 1; margin-bottom: 24px; }
.module-specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-bottom: 24px; padding: 18px; background: var(--off-white); border-radius: var(--r-md);
}
.spec-item-label { font-size: .7rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); }
.spec-item-value { font-size: .9rem; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }

/* ── 13. App Cards ────────────────────────────────────────── */
.app-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px; }
.app-card {
  background: var(--ink); border-radius: var(--r-lg); overflow: hidden;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.app-card-visual {
  min-height: 280px; display: flex; align-items: center; justify-content: center;
  padding: 32px; background: var(--ink-2); overflow: hidden;
}
.app-card-visual img, .app-card-visual svg {
  width: 100%; height: auto; max-height: 240px; object-fit: contain;
  transition: transform var(--t-slow) var(--ease);
}
.app-card:hover .app-card-visual img,
.app-card:hover .app-card-visual svg { transform: scale(1.05); }
.app-card-body { padding: 24px 28px; }
.app-card h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 8px; }
.app-card p { color: rgba(255,255,255,.58); font-size: .86rem; line-height: 1.6; margin: 0; }

/* ── 14. Process Steps ────────────────────────────────────── */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; position: relative; }
.process-steps::before {
  content: ''; position: absolute; top: 28px;
  left: calc(12.5% + 28px); right: calc(12.5% + 28px);
  height: 2px; background: linear-gradient(to right, var(--cyan), var(--cyan-dim)); z-index: 0;
}
.process-step { text-align: center; position: relative; z-index: 1; }
.step-num {
  width: 56px; height: 56px; background: var(--cyan); color: var(--ink);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 900; margin: 0 auto 20px;
  position: relative; z-index: 1; box-shadow: 0 0 0 6px var(--ink);
}
.process-step h4 { font-size: .95rem; color: var(--white); margin-bottom: 8px; }
.process-step p { font-size: .82rem; color: rgba(255,255,255,.52); line-height: 1.55; margin: 0; }

/* ── 15. Blog Strip ───────────────────────────────────────── */
.blog-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.blog-card {
  background: var(--white); border: 1px solid var(--mid-gray);
  border-radius: var(--r-lg); overflow: hidden;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--cyan); }
.blog-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card-tag {
  display: inline-block; background: var(--cyan-pale); color: var(--cyan-dim);
  font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px; margin-bottom: 12px;
}
.blog-card h3 { font-size: .98rem; color: var(--ink); line-height: 1.35; margin-bottom: 10px; }
.blog-card p { font-size: .84rem; color: var(--text-muted); line-height: 1.6; flex: 1; margin-bottom: 18px; }
.blog-card-link {
  font-size: .8rem; font-weight: 700; color: var(--cyan-dim);
  display: flex; align-items: center; gap: 4px;
  transition: gap var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.blog-card:hover .blog-card-link { gap: 8px; color: var(--cyan); }

/* ── 16. Assessment Form ──────────────────────────────────── */
.assessment-section { background: var(--cyan-pale); padding-block: 96px; }
.assessment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.assessment-info h2 { color: var(--ink); }
.assessment-info .lead { color: var(--text-body); }
.assessment-checklist { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.check-item { display: flex; gap: 12px; align-items: flex-start; }
.check-icon {
  width: 22px; height: 22px; background: var(--cyan); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px; font-size: .68rem; color: var(--ink); font-weight: 900;
}
.check-item p { font-size: .9rem; color: var(--text-body); line-height: 1.55; margin: 0; }
.assessment-form { background: var(--white); border-radius: var(--r-xl); padding: 40px; box-shadow: var(--shadow-lg); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .8rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; letter-spacing: .02em; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; font-size: .9rem; font-family: var(--font-sans);
  color: var(--ink); background: var(--off-white);
  border: 1.5px solid var(--mid-gray); border-radius: var(--r-md);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  outline: none; appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--cyan); background: var(--white);
  box-shadow: 0 0 0 3px rgba(0,200,160,.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── 17. Contact Cards ────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.contact-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-lg); padding: 32px;
  transition: background var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.contact-card:hover { background: rgba(255,255,255,.10); border-color: var(--cyan); }
.contact-card-icon {
  width: 44px; height: 44px; background: rgba(0,200,160,.15); border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.2rem;
}
.contact-card h4 { color: var(--white); font-size: .9rem; margin-bottom: 10px; }
.contact-card p, .contact-card a { color: rgba(255,255,255,.62); font-size: .88rem; line-height: 1.65; }
.contact-card a:hover { color: var(--cyan); }
.contact-name { font-weight: 700; color: var(--white) !important; font-size: .95rem !important; margin-bottom: 8px; }
.contact-hotline {
  background: rgba(0,200,160,.10); border: 1px solid rgba(0,200,160,.25);
  border-radius: var(--r-md); padding: 10px 14px; margin-top: 10px;
}
.contact-hotline-label { font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); margin-bottom: 4px; }

/* ── 18. Footer ───────────────────────────────────────────── */
.site-footer { background: #060E1A; padding-block: 64px 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { color: rgba(255,255,255,.45); font-size: .84rem; line-height: 1.7; margin-top: 14px; max-width: 280px; }
.footer-col h5 { color: var(--white); font-size: .72rem; letter-spacing: .12em; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,.48); font-size: .84rem; transition: color var(--t-fast) var(--ease); }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px;
}
.footer-bottom p { color: rgba(255,255,255,.32); font-size: .78rem; }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: rgba(255,255,255,.32); font-size: .78rem; }
.footer-bottom-links a:hover { color: var(--cyan); }
.footer-lang-switcher { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.lang-btn {
  padding: 5px 12px; font-size: .72rem; font-weight: 600;
  color: rgba(255,255,255,.48); border: 1px solid rgba(255,255,255,.15);
  border-radius: 100px; transition: all var(--t-fast) var(--ease); text-decoration: none;
}
.lang-btn:hover, .lang-btn.active { color: var(--ink); background: var(--cyan); border-color: var(--cyan); }

/* ── 19. Page Header ──────────────────────────────────────── */
.page-header { background: var(--ink); padding-block: 64px 48px; position: relative; overflow: hidden; }
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 100% at 80% 50%, rgba(0,200,160,.08) 0%, transparent 60%);
}
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; font-size: .8rem; }
.breadcrumb a { color: rgba(255,255,255,.48); transition: color var(--t-fast) var(--ease); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb-sep { color: rgba(255,255,255,.22); font-size: .68rem; }
.breadcrumb-current { color: var(--cyan); font-weight: 600; }
.page-header h1 { color: var(--white); }
.page-header .lead { color: rgba(255,255,255,.68); max-width: 680px; margin-top: 16px; }

/* ── 20. Figure / Image ───────────────────────────────────── */
figure { margin: 40px 0; }
.fig-full {
  background: var(--off-white); border-radius: var(--r-lg);
  padding: 40px; display: flex; align-items: center; justify-content: center;
  min-height: 400px; overflow: hidden;
}
.fig-full img, .fig-full svg { width: 100%; height: auto; max-height: 520px; object-fit: contain; }
figcaption { margin-top: 14px; font-size: .78rem; color: var(--text-muted); text-align: center; font-style: italic; }

/* ── 21. Spec Table ───────────────────────────────────────── */
.spec-table-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--mid-gray); margin-top: 32px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.spec-table th {
  background: var(--ink); color: var(--white); font-size: .72rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; padding: 14px 20px; text-align: left; white-space: nowrap;
}
.spec-table td { padding: 14px 20px; border-bottom: 1px solid var(--mid-gray); color: var(--text-body); vertical-align: top; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: var(--off-white); }
.spec-table td:first-child { font-weight: 600; color: var(--ink); white-space: nowrap; }

/* ── 22. Article Layout ───────────────────────────────────── */
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 64px; align-items: start; }
.article-body h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem); margin-top: 48px; margin-bottom: 18px;
  padding-top: 32px; border-top: 1px solid var(--mid-gray);
}
.article-body h2:first-of-type { border-top: none; padding-top: 0; }
.article-body h3 { font-size: 1.15rem; margin-top: 32px; margin-bottom: 14px; }
.article-body p { font-size: .97rem; line-height: 1.82; color: var(--text-body); margin-bottom: 18px; }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 18px; }
.article-body li { font-size: .95rem; line-height: 1.75; color: var(--text-body); margin-bottom: 8px; list-style: disc; }
.article-sidebar { position: sticky; top: 88px; }
.sidebar-card { background: var(--off-white); border-radius: var(--r-lg); padding: 24px; margin-bottom: 24px; }
.sidebar-card h4 { font-size: .85rem; color: var(--ink); margin-bottom: 14px; }
.toc-list { display: flex; flex-direction: column; gap: 8px; }
.toc-list a {
  font-size: .8rem; color: var(--text-muted); padding: 4px 0;
  border-left: 2px solid var(--mid-gray); padding-left: 12px;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.toc-list a:hover, .toc-list a.active { border-color: var(--cyan); color: var(--ink); }

/* ── 23. Bottom Nav ───────────────────────────────────────── */
.page-bottom-nav { background: var(--off-white); border-top: 1px solid var(--mid-gray); padding-block: 40px; }
.bottom-nav-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.bottom-nav-back a {
  display: flex; align-items: center; gap: 8px; font-size: .88rem; font-weight: 600;
  color: var(--text-muted); transition: color var(--t-fast) var(--ease);
}
.bottom-nav-back a:hover { color: var(--ink); }
.bottom-nav-cta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }

/* ── 24. Scroll Reveal ────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

/* ── 25. Utilities ────────────────────────────────────────── */
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4  { margin-bottom: 16px; }
.mb-8  { margin-bottom: 32px; }
.flex  { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ── 26. Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { min-height: auto; }
  .hero-visual { display: none; }
  .bridge-grid { grid-template-columns: 1fr; }
  .assessment-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
}
@media (max-width: 768px) {
  :root { --pad-x: 20px; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .pain-grid, .audience-grid, .module-grid, .app-grid,
  .contact-grid, .blog-strip { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .section { padding-block: 64px; }
}
@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .module-card-visual { min-height: 260px; }
  .fig-full { min-height: 280px; padding: 24px; }
}
@media print {
  .site-nav, .site-footer, .page-bottom-nav { display: none; }
  body { font-size: 12pt; color: #000; }
}

/* ── 15. Inner Page Content ────────────────────────────────── */
.breadcrumb { padding-block: 20px; border-bottom: 1px solid var(--mid-gray); background: var(--off-white); }
.breadcrumb nav { display: flex; align-items: center; gap: 8px; font-size: .85rem; font-weight: 600; }
.breadcrumb .sep { color: var(--text-muted); opacity: .5; }
.breadcrumb .current { color: var(--text-muted); }

.page-hero { padding-block: 80px 60px; background: var(--off-white); border-bottom: 1px solid var(--mid-gray); }
.page-hero h1 { margin-bottom: 20px; }
.page-hero .lead { max-width: 800px; }

.article-body { max-width: 1000px; margin-inline: auto; }
.article-body h2 { margin-top: 60px; margin-bottom: 24px; padding-bottom: 12px; border-bottom: 1px solid var(--mid-gray); }
.article-body h3 { margin-top: 40px; margin-bottom: 16px; }
.article-body p { margin-bottom: 24px; font-size: 1.05rem; }
.article-body ul, .article-body ol { margin-bottom: 32px; padding-left: 24px; }
.article-body li { margin-bottom: 12px; font-size: 1.05rem; }

.article-body figure { margin-block: 48px; background: var(--off-white); border: 1px solid var(--mid-gray); border-radius: var(--r-lg); padding: 40px; }
.article-body figure img { width: 100%; height: auto; border-radius: var(--r-md); }
.article-body figcaption { margin-top: 20px; text-align: center; font-size: .9rem; color: var(--text-muted); font-style: italic; }

.spec-table-wrap { margin-block: 40px; overflow-x: auto; border: 1px solid var(--mid-gray); border-radius: var(--r-md); }
.spec-table { width: 100%; border-collapse: collapse; text-align: left; }
.spec-table th, .spec-table td { padding: 16px 24px; border-bottom: 1px solid var(--mid-gray); }
.spec-table th { background: var(--off-white); font-weight: 700; color: var(--ink); width: 40%; }
.spec-table tr:last-child td, .spec-table tr:last-child th { border-bottom: none; }

.app-nodes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-block: 48px; }
.app-node { background: var(--off-white); border-radius: var(--r-lg); padding: 32px; border: 1px solid var(--mid-gray); }
.app-node figure { margin: 0 0 24px 0; padding: 20px; background: var(--white); }
.app-node h3 { margin-bottom: 12px; }
.app-node p { font-size: .95rem; margin: 0; }

.page-bottom-nav { padding-block: 60px; background: var(--ink); border-top: 1px solid var(--mid-gray); }
.bottom-nav-inner { display: flex; justify-content: space-between; align-items: center; }

@media (max-width: 768px) {
  .app-nodes-grid { grid-template-columns: 1fr; }
}

/* ── 16. Resources Grid ────────────────────────────────────── */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.blog-card { background: var(--white); border: 1px solid var(--mid-gray); border-radius: var(--r-lg); padding: 32px; transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease); }
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--cyan); }
.blog-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.blog-card p { font-size: .95rem; color: var(--text-muted); margin-bottom: 24px; }
.btn-text { font-weight: 700; color: var(--cyan-dim); transition: color var(--t-fast); }
.btn-text:hover { color: var(--cyan); }

@media (max-width: 992px) { .blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 576px) { .blog-grid { grid-template-columns: 1fr; } }