:root {
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;

  --bg: #F7FAFC;
  --bg-2: #EEF4F8;
  --bg-3: #E4EEF5;
  --surface: rgba(255,255,255,0.95);
  --surface-2: rgba(255,255,255,0.985);
  --line: rgba(13, 94, 166, 0.12);
  --line-soft: rgba(13, 94, 166, 0.08);
  --text: #0B1B28;
  --muted: #5E7385;
  --muted-2: #73889A;
  --blue: #0D5EA6;
  --blue-2: #2F7BC0;
  --blue-3: #0B4E89;
  --cyan: #57B8E8;
  --cyan-soft: rgba(87,184,232,0.12);
  --green: #119869;
  --green-soft: rgba(17,152,105,0.12);
  --gold: #C8912E;
  --gold-soft: rgba(200,145,46,0.12);
  --red: #C24A4A;
  --red-soft: rgba(194,74,74,0.10);
  --shadow: 0 24px 70px rgba(13,94,166,0.10);
  --page-grad-1: rgba(13,94,166,0.08);
  --page-grad-2: rgba(87,184,232,0.06);
  --page-start: #FBFDFF;
  --page-end: #F7FAFC;
  --grid-line: rgba(13,94,166,0.03);
  --sticky-bg: rgba(255,255,255,0.80);
  --sticky-line: rgba(13,94,166,0.10);
  --glass-top: rgba(255,255,255,0.99);
  --glass-bottom: rgba(245,249,253,0.97);
  --surface-top: rgba(255,255,255,0.99);
  --surface-bottom: rgba(242,248,253,0.98);
  --surface-soft-top: rgba(13,94,166,0.10);
  --surface-soft-bottom: rgba(13,94,166,0.04);
  --hero-panel-top: rgba(255,255,255,0.99);
  --hero-panel-bottom: rgba(243,249,253,0.98);
  --hero-chip-text: #082033;
  --nav-text: #5E7385;
  --nav-hover: #0B1B28;
  --primary-btn-text: #FFFFFF;
  --secondary-btn-text: #0B1B28;
}

html { scroll-behavior: smooth; }

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, var(--page-grad-1), transparent 28%),
    radial-gradient(circle at top right, var(--page-grad-2), transparent 22%),
    linear-gradient(180deg, var(--page-start) 0%, var(--bg-2) 44%, var(--page-end) 100%);
  color: var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, summary {
  font-family: Manrope, Inter, sans-serif;
  letter-spacing: -0.035em;
}

.site-grid::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(13,94,166,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(13,94,166,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, rgba(0,0,0,0.65), transparent 78%);
  -webkit-mask-image: radial-gradient(circle at center, rgba(0,0,0,0.65), transparent 78%);
  z-index: 0;
}

.sticky-shell {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: var(--sticky-bg);
  border-bottom: 1px solid var(--sticky-line);
}

.glass {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--glass-top) 0%, var(--glass-bottom) 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.surface {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--surface-top) 0%, var(--surface-bottom) 100%);
  border: 1px solid var(--line-soft);
  box-shadow: 0 16px 40px rgba(13,94,166,0.08);
}

.surface-soft {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--surface-soft-top) 0%, var(--surface-soft-bottom) 100%);
  border: 1px solid rgba(13,94,166,0.12);
}

.brand-primary-btn {
  background: linear-gradient(180deg, #1A6BB8 0%, #0D5EA6 100%);
  color: var(--primary-btn-text);
  box-shadow: 0 16px 34px rgba(13,94,166,0.24);
}

.brand-primary-btn:hover {
  background: linear-gradient(180deg, #2276C4 0%, #0E5B9C 100%);
  transform: translateY(-1px);
}

.brand-secondary-btn:hover {
  background: rgba(13,94,166,0.06);
  border-color: rgba(13,94,166,0.18);
}

.brand-badge {
  background: linear-gradient(180deg, rgba(13,94,166,0.06) 0%, rgba(13,94,166,0.10) 100%);
  border-color: var(--line);
  color: var(--blue);
}

.eyebrow {
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.signal-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0 8px rgba(87,184,232,0.10);
}

.section-divider {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(13,94,166,0.12), rgba(255,255,255,0));
}

.hero-stage {
  position: relative;
  min-height: 560px;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: center;
}

.hero-panel-main {
  grid-column: 1 / -1;
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 30px;
  background:
    radial-gradient(circle at top left, rgba(87,184,232,0.12), transparent 32%),
    linear-gradient(180deg, rgba(13,94,166,0.09) 0%, rgba(255,255,255,0.045) 100%);
  border: 1px solid rgba(13,94,166,0.12);
  box-shadow: 0 24px 60px rgba(13,94,166,0.09);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-panel-main::after {
  content: "";
  position: absolute;
  right: -100px;
  top: -85px;
  width: 300px;
  height: 300px;
  border-radius: 999px;
  background: rgba(13,94,166,0.16);
  z-index: 0;
}

.hero-panel-main > *, .hero-chip > * { position: relative; z-index: 1; }

.hero-chip {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  padding: 18px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--hero-chip-text);
  border: 1px solid rgba(13,94,166,0.10);
  background: linear-gradient(180deg, var(--surface-top) 0%, var(--surface-bottom) 100%);
  box-shadow: 0 12px 28px rgba(13,94,166,0.07);
}

.hero-chip::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 110px;
  height: 110px;
  border-radius: 999px;
  background: rgba(13,94,166,0.10);
  z-index: 0;
}

.hero-chip strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.metric-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(242,248,253,0.98) 100%);
  border: 1px solid rgba(13,94,166,0.10);
  box-shadow: 0 14px 28px rgba(13,94,166,0.06);
}

.loop-step {
  position: relative;
  border: 1px solid rgba(13,94,166,0.10);
  background: linear-gradient(180deg, rgba(255,255,255,0.99) 0%, rgba(241,248,253,0.98) 100%);
  box-shadow: 0 14px 28px rgba(13,94,166,0.06);
}

.loop-step::after {
  content: "→";
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blue);
  font-size: 24px;
  font-weight: 800;
}

.loop-step:last-child::after,
.loop-step.end-loop::after { display: none; }

.accent-blue { color: var(--blue); }
.accent-green { color: var(--green); }
.accent-gold { color: var(--gold); }
.accent-red { color: var(--red); }

.pill-blue {
  background: rgba(13,94,166,0.08);
  color: var(--blue);
  border: 1px solid rgba(13,94,166,0.12);
}
.pill-green {
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid rgba(17,152,105,0.14);
}
.pill-gold {
  background: var(--gold-soft);
  color: var(--gold);
  border: 1px solid rgba(200,145,46,0.14);
}
.pill-red {
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid rgba(194,74,74,0.14);
}

.pricing-card {
  position: relative;
  border: 1px solid rgba(13,94,166,0.11);
  background: linear-gradient(180deg, rgba(255,255,255,0.995) 0%, rgba(241,248,253,0.985) 100%);
  box-shadow: 0 20px 42px rgba(13,94,166,0.08);
  overflow: hidden;
}

.pricing-card.popular {
  transform: translateY(-10px);
  border-color: rgba(13,94,166,0.18);
  box-shadow: 0 28px 52px rgba(13,94,166,0.14);
}

.pricing-card.intelligence {
  background:
    radial-gradient(circle at top right, rgba(200,145,46,0.14), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.995) 0%, rgba(247,250,254,0.985) 100%);
  border-color: rgba(200,145,46,0.20);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge-blue { background: rgba(13,94,166,0.08); color: var(--blue); border: 1px solid rgba(13,94,166,0.12); }
.badge-gold { background: rgba(200,145,46,0.10); color: #8D5D07; border: 1px solid rgba(200,145,46,0.18); }
.badge-green { background: rgba(18,152,103,0.10); color: #0C734B; border: 1px solid rgba(18,152,103,0.16); }

.check-list li { position: relative; padding-left: 1.7rem; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.05rem;
  color: var(--green);
  font-weight: 800;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(13,94,166,0.08);
}
.comparison-row:first-child { border-top: 0; padding-top: 0; }

@media (max-width: 1100px) {
  .hero-stage { min-height: 420px; }
  .loop-step::after { display: none; }
}

@media (max-width: 1024px) {
  .pricing-card.popular { transform: none; }
}

@media (max-width: 900px) {
  .hero-stage {
    min-height: 320px;
    grid-template-columns: 1fr;
  }
  .hero-panel-main { padding: 24px; }
  .comparison-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}