:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-muted: #f1f5f9;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-border: #e2e8f0;
  --color-primary: #163d6b;
  --color-primary-hover: #122f52;
  --color-secondary: #0f766e;
  --color-secondary-soft: #ecfdf5;
  --color-accent-soft: #eff6ff;
  --color-highlight: #fff7ed;
  --color-highlight-border: #fdba74;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --container: 1180px;
  --container-narrow: 780px;
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.5rem;
  --border: 1px solid var(--color-border);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 22px 60px rgba(15, 23, 42, 0.10);
  --transition: 180ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p, li { color: var(--color-text-muted); }
ul { margin: 0; padding: 0; list-style: none; }
button, input { font: inherit; }
.container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }
.narrow { width: min(100% - 2rem, var(--container-narrow)); margin-inline: auto; }
.section { padding: var(--space-20) 0; }
.section-heading { max-width: 760px; margin-bottom: var(--space-10); }
.section-heading.centered, .centered { text-align: center; margin-inline: auto; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 999px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  font-size: 0.84rem;
  font-weight: 700;
}
h1, h2, h3, h4 { margin: 0 0 var(--space-4); line-height: 1.1; color: var(--color-text); }
h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(1.8rem, 3.2vw, 3rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p { margin: 0 0 var(--space-4); }
.lead { font-size: 1.125rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 76px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  font-size: 1.05rem;
}
.logo img { width: 34px; height: 34px; }
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
}
.main-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.main-nav a:hover, .footer-links a:hover { color: var(--color-primary); }
.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 0.75rem;
  border: var(--border);
  background: var(--color-surface);
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-muted); }
.btn-link {
  padding: 0;
  min-height: auto;
  border: 0;
  color: var(--color-primary);
  background: transparent;
}
.btn-link:hover { color: var(--color-secondary); }

.hero {
  position: relative;
  padding: var(--space-20) 0 var(--space-16);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 10%, rgba(15, 118, 110, 0.08), transparent 32%),
    radial-gradient(circle at 90% 20%, rgba(22, 61, 107, 0.10), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,1) 100%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: var(--space-12);
  align-items: center;
}
.hero-copy { max-width: 650px; }
.hero-copy h1 { margin-bottom: var(--space-5); }
.hero-copy .lead { margin-bottom: var(--space-6); }
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-6); }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.hero-meta li {
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.75);
  border: var(--border);
  font-size: 0.92rem;
}
.hero-panel {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
}
.hero-panel::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(15, 118, 110, 0.10);
  border-radius: calc(var(--radius-xl) - 8px);
  pointer-events: none;
}
.panel-kicker {
  display: inline-flex;
  margin-bottom: var(--space-4);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
  font-weight: 700;
  font-size: 0.84rem;
}
.preview-stack { display: grid; gap: var(--space-4); margin: var(--space-6) 0; }
.preview-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border);
  background: rgba(255,255,255,0.8);
}
.preview-item strong { display: block; margin-bottom: 0.15rem; color: var(--color-text); }
.preview-item span { color: var(--color-text-muted); font-size: 0.92rem; }
.preview-label {
  white-space: nowrap;
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
}
.panel-footer {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--border);
}
.panel-footer strong { font-size: 1.4rem; }
.panel-footer small { color: var(--color-text-muted); }

.trust-strip {
  border-top: var(--border);
  border-bottom: var(--border);
  background: rgba(255,255,255,0.75);
}
.trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  padding: var(--space-5) 0;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  color: var(--color-text);
}
.trust-item::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  color: #fff;
  background: var(--color-secondary);
  flex-shrink: 0;
}

.card-grid { display: grid; gap: var(--space-6); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  height: 100%;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: var(--border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}
.card p:last-child { margin-bottom: 0; }
.audience-card { display: flex; flex-direction: column; }
.audience-card ul { display: grid; gap: var(--space-2); margin: var(--space-4) 0 var(--space-6); }
.audience-card li::before, .check-list li::before, .faq-answer li::before {
  content: "•";
  color: var(--color-secondary);
  font-weight: 700;
  margin-right: 0.55rem;
}
.audience-card a { margin-top: auto; font-weight: 700; color: var(--color-primary); }

.feature-card,
.step-card,
.bundle-card,
.product-card,
.preview-card {
  display: flex;
  flex-direction: column;
}
.icon-chip {
  width: 42px;
  height: 42px;
  border-radius: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  font-weight: 800;
  margin-bottom: var(--space-4);
}
.split-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-10);
  align-items: start;
}
.check-list { display: grid; gap: var(--space-3); }
.check-list li {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: var(--border);
  color: var(--color-text);
  font-weight: 600;
}

.bundles { background: linear-gradient(180deg, #f8fafc 0%, #eef6fb 100%); }
.bundle-card-featured {
  border-color: rgba(22, 61, 107, 0.28);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.bundle-card .bundle-meta,
.product-card .product-meta { margin-top: auto; }
.bundle-card ul, .product-card ul { display: grid; gap: var(--space-2); margin: var(--space-4) 0 var(--space-6); }
.bundle-card ul li, .product-card ul li { font-size: 0.95rem; }
.bundle-card .btn, .product-card .btn { width: 100%; }
.bundle-links, .product-links {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.product-card small, .bundle-card small { display: block; margin-top: var(--space-4); }
.price-note { font-size: 0.9rem; color: var(--color-text-muted); }
.bundle-highlight {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-highlight-border);
  background: var(--color-highlight);
}

.catalog-group {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}
.catalog-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}
.catalog-heading p { margin: 0; font-size: 0.95rem; }
.product-card .category-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.product-card h3 { min-height: 2.4em; }
.product-card ul { min-height: 7.2em; }

.preview-stage {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: var(--border);
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  box-shadow: var(--shadow-md);
}
.preview-stage .sample-window {
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.sample-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-muted);
  border-bottom: var(--border);
}
.sample-toolbar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #cbd5e1;
}
.sample-body { display: grid; gap: var(--space-4); padding: var(--space-6); }
.sample-panel {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  border: var(--border);
}
.sample-panel strong { display: block; margin-bottom: var(--space-2); color: var(--color-text); }

.lead-form-wrap {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
  border: var(--border);
  box-shadow: var(--shadow-md);
}
.email-form {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}
.email-form input,
.email-form select {
  flex: 1 1 220px;
  min-height: 52px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border);
  background: #fff;
  color: var(--color-text);
}
.form-note { margin-top: var(--space-4); font-size: 0.92rem; }

.faq-list {
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  overflow: hidden;
}
.faq-item + .faq-item { border-top: var(--border); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border: 0;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  font-weight: 700;
  cursor: pointer;
}
.faq-icon { color: var(--color-primary); font-size: 1.1rem; }
.faq-answer {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
}
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-icon { transform: rotate(45deg); }

.final-cta {
  background: linear-gradient(180deg, #f8fafc 0%, #eef6fb 100%);
  border-top: var(--border);
}
.footer {
  padding: var(--space-10) 0 var(--space-12);
  border-top: var(--border);
  background: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}
.footer-links { display: grid; gap: var(--space-3); }
.footer-links a { color: var(--color-text-muted); }
.footer-note { font-size: 0.92rem; }

@media (max-width: 1100px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 920px) {
  .section { padding: var(--space-16) 0; }
  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-6) 1rem;
    background: rgba(248, 250, 252, 0.98);
    border-bottom: var(--border);
  }
  .main-nav.open { display: flex; }
  .mobile-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .split-layout,
  .card-grid-3,
  .card-grid-2,
  .trust-items,
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .container, .narrow { width: min(100% - 1.25rem, var(--container)); }
  .header-actions .btn { display: none; }
  .card-grid-4 { grid-template-columns: 1fr; }
  .hero-actions, .email-form { flex-direction: column; }
  .hero-actions .btn, .email-form input, .email-form select, .email-form .btn { width: 100%; }
  .hero-panel, .preview-stage, .lead-form-wrap { padding: var(--space-6); }
  .faq-question { padding-inline: var(--space-4); }
  .faq-answer { padding: 0 var(--space-4) var(--space-4); }
}