:root{
  --bg:#0b1220;
  --bg-2:#111827;
  --panel:#ffffff;
  --panel-soft:#f8fafc;
  --text:#0f172a;
  --text-soft:#475569;
  --muted:#64748b;
  --border:#e2e8f0;
  --accent:#2563eb;
  --accent-dark:#1d4ed8;
  --accent-soft:#eff6ff;
  --success:#16a34a;
  --max:1180px;
  --radius:22px;
  --shadow:0 18px 50px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,sans-serif;
  background:linear-gradient(180deg,#f8fafc 0%,#eef2ff 100%);
  color:var(--text);
  line-height:1.6;
}
a{text-decoration:none;color:inherit}
.container{width:min(var(--max),calc(100% - 2rem));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(12px);
  background:rgba(255,255,255,.88);
  border-bottom:1px solid rgba(226,232,240,.9);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:1rem}
.brand a{font-size:1.2rem;font-weight:800;letter-spacing:-.03em;color:var(--text)}
.nav-links{display:flex;gap:1.2rem;flex-wrap:wrap}
.nav-links a{color:var(--text-soft);font-weight:600;font-size:.95rem}
.nav-links a:hover,.nav-links a.active{color:var(--text)}

.announcement-bar{
  background:#dbeafe;
  border-bottom:1px solid #bfdbfe;
  color:#1e3a8a;
  font-size:.92rem;
}
.announcement-inner{
  min-height:42px;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
}

.hero{padding:4rem 0 3rem}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
.eyebrow,.section-label,.tool-tag{
  display:inline-flex;align-items:center;gap:.4rem;
  font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);
}
.eyebrow{
  padding:.55rem .85rem;border-radius:999px;
  background:var(--accent-soft);
  border:1px solid #bfdbfe;
}
.hero h1,.page-hero h1{
  margin:1rem 0 0;
  font-size:clamp(2.5rem,5vw,4.7rem);
  line-height:1.02;
  letter-spacing:-.05em;
}
.hero-text,.page-hero p{
  margin-top:1.1rem;
  max-width:44rem;
  font-size:1.08rem;
  color:var(--text-soft);
}
.hero-actions,.card-actions,.quick-links,.category-pills{
  display:flex;flex-wrap:wrap;gap:.8rem;
}
.hero-actions{margin-top:1.6rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:.9rem 1.2rem;border-radius:16px;
  font-weight:700;border:1px solid transparent;transition:.18s ease;cursor:pointer;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}
.btn-secondary:hover{background:#f8fafc}
.hero-badges,.category-pills{margin-top:1.4rem}
.hero-badge,.category-pills span{
  padding:.55rem .8rem;border-radius:999px;background:#fff;border:1px solid var(--border);
  color:var(--text-soft);font-size:.9rem;font-weight:600;
}

.hero-card-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:1rem;
}
.mini-card,.feature-box,.industry-card,.calc-card,.tool-card,.result-card,.info-card,.contact-card,.calc-shell{
  background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);
}
.mini-card,.tool-card,.feature-box,.industry-card,.calc-card,.result-card,.info-card,.contact-card,.calc-shell{padding:1.35rem}
.mini-card h3,.feature-box h3,.industry-card h3,.calc-card h3,.tool-card h3{margin:.55rem 0 .35rem;font-size:1.05rem}
.mini-card p,.feature-box p,.industry-card p,.calc-card p,.tool-card p,.info-card p,.result-card p{margin:0;color:var(--text-soft)}

.stat-strip{margin-top:1.7rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:1rem;box-shadow:var(--shadow)
}
.stat-number{display:block;font-size:1.5rem;font-weight:800;letter-spacing:-.03em}
.stat-label{color:var(--muted);font-size:.92rem}

.section,.page-section{padding:4.2rem 0}
.page-hero{padding:2.7rem 0 1rem}
.section-heading{
  display:grid;grid-template-columns:1fr .95fr;gap:1.4rem;align-items:end;margin-bottom:1.7rem
}
.section h2,.page-section h2{
  margin:.45rem 0 0;font-size:clamp(2rem,4vw,3rem);letter-spacing:-.04em
}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.calculator-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}

.quick-nav{
  margin-top:1rem;padding:1rem;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)
}
.quick-links a{
  padding:.65rem .85rem;border-radius:12px;background:#f8fafc;border:1px solid var(--border);font-weight:600;color:var(--text-soft)
}
.quick-links a:hover{background:#eef2ff;color:var(--text)}

.highlight-band{
  margin-top:1rem;padding:1rem 1.1rem;border-radius:18px;background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a
}

.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.price-card{
  background:#fff;border:1px solid var(--border);border-radius:24px;padding:1.5rem;box-shadow:var(--shadow)
}
.price{font-size:2rem;font-weight:800;letter-spacing:-.04em;margin:.5rem 0}
.list-clean{list-style:none;padding:0;margin:1rem 0 0}
.list-clean li{padding:.45rem 0;border-bottom:1px solid #eef2f7;color:var(--text-soft)}

.contact-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:1rem}
.contact-form input,.contact-form textarea,.calc-shell input,.calc-shell select{
  width:100%;margin-bottom:.9rem;padding:.95rem 1rem;border-radius:14px;border:1px solid var(--border);background:#fff;color:var(--text);font:inherit
}
.contact-form input::placeholder,.contact-form textarea::placeholder,.calc-shell input::placeholder{color:var(--muted)}
.contact-form input:focus,.contact-form textarea:focus,.calc-shell input:focus,.calc-shell select:focus{
  outline:1px solid #93c5fd;border-color:#93c5fd
}
.form-message{min-height:1.2rem;color:var(--success);font-size:.94rem}
.error{min-height:1.2rem;color:#dc2626;font-size:.94rem}

.breadcrumbs{margin:0 0 1rem;color:var(--muted);font-size:.94rem}
.calc-layout{display:grid;grid-template-columns:1fr .95fr;gap:1rem;align-items:start}
.field-label{display:block;margin-bottom:.35rem;font-weight:700}
.result-value{font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.04em;margin:.45rem 0}
.formula{
  background:#f8fafc;border:1px solid var(--border);border-radius:14px;padding:.9rem 1rem;
  font-family:Consolas,Monaco,monospace;overflow:auto
}
.note-list{padding-left:1.1rem;color:var(--text-soft)}
.note-list li{margin-bottom:.45rem}

.site-footer{
  margin-top:2rem;background:#0f172a;color:#cbd5e1;padding:1.6rem 0
}
.footer-inner{display:flex;justify-content:space-between;gap:1rem;align-items:center}
.footer-note{color:#94a3b8}

@media (max-width:1040px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .industry-grid{grid-template-columns:repeat(2,1fr)}
  .calculator-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .hero-grid,.section-heading,.contact-layout,.calc-layout{grid-template-columns:1fr}
  .hero-card-wrap{grid-template-columns:1fr}
}
@media (max-width:640px){
  .nav{flex-direction:column;justify-content:center;padding:.9rem 0}
  .nav-links{justify-content:center}
  .feature-grid,.industry-grid,.calculator-grid,.pricing-grid,.stat-strip{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;align-items:flex-start}
}