:root {
  --blue: #0B5CAB;
  --blue-2: #1D7ED6;
  --lightblue: #E8F3FF;
  --gray: #64748B;
  --ink: #0F172A;
  --green: #16A34A;
  --orange: #F59E0B;
  --border: #E2E8F0;
  --bg: #F6F9FF;
  --card: #FFFFFF;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  overflow-x: hidden;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-wide {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 10px;
  background: var(--ink);
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 9999;
}
.skip-link:focus { left: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226,232,240,0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img {
  width: 150px;
  height: auto;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav a {
  font-size: 14px;
  color: var(--ink);
  padding: 8px 10px;
  border-radius: 10px;
}
.nav a:hover { background: rgba(11,92,171,0.08); text-decoration: none; }
.nav a.active { background: rgba(11,92,171,0.12); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--green), #2DD4BF);
  color: #fff !important;
  font-weight: 700;
}
.nav-cta:hover { filter: brightness(0.98); text-decoration: none; }

.burger {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
  border-radius: 2px;
}

.mobile-nav {
  display: none;
  padding: 0 0 16px 0;
}
.mobile-nav a {
  display: block;
  padding: 10px 10px;
  border-radius: 12px;
  margin: 6px 0;
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border);
  color: var(--ink);
}
.mobile-nav a:hover { text-decoration: none; background: rgba(11,92,171,0.06); }

.hero {
  position: relative;
  padding: 44px 0 28px 0;
  background: radial-gradient(1200px 600px at 20% -20%, rgba(29,126,214,0.28), transparent 65%),
              radial-gradient(1000px 700px at 100% 0%, rgba(245,158,11,0.15), transparent 60%),
              linear-gradient(180deg, #ffffff 0%, #F3F8FF 100%);
  border-bottom: 1px solid rgba(226,232,240,0.8);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 22px;
  align-items: start;
}
.hero h1 {
  font-size: 42px;
  line-height: 1.1;
  margin: 0 0 12px 0;
  letter-spacing: -0.02em;
}
.hero .lead {
  font-size: 18px;
  color: rgba(15,23,42,0.82);
  margin: 0 0 18px 0;
}
.hero-card {
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(226,232,240,0.95);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 18px;
}
.hero-card h2 {
  font-size: 16px;
  margin: 0 0 10px 0;
}
.hero-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.hero-card li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(226,232,240,0.7);
  color: rgba(15,23,42,0.82);
}
.hero-card li:last-child { border-bottom: 0; }

.bubbles {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0 0 0;
}
.bubble {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(11,92,171,0.08);
  border: 1px solid rgba(11,92,171,0.14);
  font-weight: 700;
  font-size: 13px;
  color: rgba(15,23,42,0.92);
}

.cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 16px 0 0 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #fff !important;
}
.btn-primary:hover { filter: brightness(0.98); text-decoration: none; }
.btn-secondary {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(226,232,240,1);
  color: var(--ink) !important;
}
.btn-secondary:hover { background: rgba(11,92,171,0.06); text-decoration: none; }

.section {
  padding: 26px 0;
}
.card {
  background: var(--card);
  border: 1px solid rgba(226,232,240,0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.card h2, .card h3 {
  margin-top: 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.kpi {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(226,232,240,0.95);
  background: linear-gradient(180deg, rgba(232,243,255,0.8), rgba(255,255,255,0.9));
}
.kpi strong { display: block; font-size: 14px; }
.kpi span { color: var(--gray); font-size: 13px; }

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}
.checklist li {
  padding-left: 26px;
  margin: 10px 0;
  position: relative;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 900;
}

.note {
  border-left: 4px solid var(--orange);
  background: #fff;
  border: 1px solid rgba(226,232,240,0.95);
  padding: 14px 16px;
  border-radius: 14px;
}

.breadcrumbs {
  font-size: 13px;
  color: rgba(100,116,139,0.95);
  padding: 12px 0 0 0;
}
.breadcrumbs a { color: rgba(11,92,171,0.95); }

.tool-section {
  padding: 18px 0 26px 0;
  background: #fff;
  border-bottom: 1px solid rgba(226,232,240,0.9);
}
.tool-shell {
  border: 1px solid rgba(226,232,240,0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.tool-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(90deg, rgba(11,92,171,0.08), rgba(245,158,11,0.08));
  border-bottom: 1px solid rgba(226,232,240,0.95);
  font-size: 13px;
}
.tool-topbar .left {
  font-weight: 900;
  color: rgba(15,23,42,0.9);
}
.tool-topbar .right {
  color: rgba(15,23,42,0.7);
  font-weight: 800;
}
.tool-inner {
  padding: 0;
}
.tool-disclaimer {
  padding: 12px 14px;
  font-size: 13px;
  color: rgba(15,23,42,0.78);
  border-top: 1px solid rgba(226,232,240,0.95);
  background: rgba(248,250,252,0.9);
}

.faq details {
  background: #fff;
  border: 1px solid rgba(226,232,240,0.95);
  border-radius: 14px;
  padding: 12px 14px;
  margin: 10px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 900;
  color: rgba(15,23,42,0.92);
}
.faq summary::marker { color: var(--blue); }

.howto-steps {
  counter-reset: step;
  margin: 0;
  padding: 0;
  list-style: none;
}
.howto-steps li {
  counter-increment: step;
  padding: 14px 14px 14px 54px;
  margin: 10px 0;
  border-radius: 16px;
  background: rgba(232,243,255,0.6);
  border: 1px solid rgba(11,92,171,0.12);
  position: relative;
}
.howto-steps li::before {
  content: counter(step);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #fff;
  font-weight: 900;
}

.site-footer {
  padding: 26px 0;
  border-top: 1px solid rgba(226,232,240,0.9);
  background: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}
.footer-links a {
  display: inline-block;
  margin: 6px 12px 6px 0;
  color: rgba(15,23,42,0.78);
}
.footer-links a:hover { color: var(--blue); }
.small {
  font-size: 12px;
  color: rgba(100,116,139,0.95);
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .nav { display: none; }
  .burger { display: inline-block; }
  .mobile-nav.open { display: block; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 34px; }
  .container, .container-wide { padding: 0 14px; }
  .tool-section .container-wide { padding: 0; }
  .tool-shell { border-radius: 0; border-left: 0; border-right: 0; }
}