:root {
  --bg: #f6f8fd;
  --bg-soft: #eef2fb;
  --card: #ffffff;
  --text: #101828;
  --muted: #5b6b8c;
  --brand: #4f7cff;
  --brand-2: #7c5cff;
  --border: #e4e9f5;
  --shadow: 0 10px 30px rgba(16, 24, 40, 0.06);
  --radius: 16px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(124, 92, 255, 0.10), transparent 60%),
              radial-gradient(1000px 520px at -5% 0%, rgba(79, 124, 255, 0.10), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(160%) blur(10px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand img.logo { width: 30px; height: 30px; display: block; }
.nav a { color: var(--muted); margin-left: 22px; font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { padding: 90px 0 60px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
  font-weight: 600;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 32px;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .08s ease, box-shadow .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  box-shadow: 0 10px 26px rgba(79,124,255,0.32);
}
.btn-ghost { background: #fff; border-color: var(--border); color: var(--text); box-shadow: var(--shadow); }

/* Hero trust line */
.trust {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}
.trust .pulse {
  width: 9px; height: 9px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34,197,94,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  70% { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

/* Sections */
section.block { padding: 60px 0; }
.section-title {
  font-size: clamp(26px, 3.4vw, 36px);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.section-sub { color: var(--muted); max-width: 620px; margin: 0 0 40px; }

/* Pillars band */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.pillar { text-align: center; }
.pillar .big {
  font-size: 30px; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.pillar .lbl { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* Feature grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.card .icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(79,124,255,0.12), rgba(124,92,255,0.12));
  border: 1px solid var(--border);
  font-size: 22px;
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { position: relative; padding-left: 8px; }
.step .num {
  font-size: 40px; font-weight: 800;
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1;
}
.step h3 { margin: 10px 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); }

/* Comparison */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare .col {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.compare .col.good { border-color: rgba(79,124,255,0.45); }
.compare h3 { margin: 0 0 16px; font-size: 18px; }
.compare ul { list-style: none; padding: 0; margin: 0; }
.compare li { padding: 8px 0 8px 30px; position: relative; color: var(--muted); }
.compare li::before { position: absolute; left: 0; top: 8px; font-size: 15px; }
.compare .bad li::before { content: "\2715"; color: #ef4444; }
.compare .good li { color: var(--text); }
.compare .good li::before { content: "\2713"; color: #22c55e; }

/* Fairness split */
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.split ul { list-style: none; padding: 0; margin: 18px 0 0; }
.split li { padding: 10px 0 10px 30px; position: relative; color: var(--text); }
.split li::before { content: "\2713"; position: absolute; left: 0; color: var(--brand); font-weight: 700; }
.split .visual {
  background: linear-gradient(135deg, rgba(79,124,255,0.10), rgba(124,92,255,0.10));
  border: 1px solid var(--border);
  border-radius: 20px;
  min-height: 240px;
  display: grid; place-items: center;
  padding: 30px;
  text-align: center;
}
.split .visual .mark { width: 84px; height: 84px; }
.split .visual p { color: var(--muted); margin: 16px 0 0; }

/* Quote */
.quote { text-align: center; max-width: 760px; margin: 0 auto; }
.quote blockquote {
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.4;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.quote .who { color: var(--muted); font-size: 15px; }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; }
.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.faq summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 22px; font-weight: 700; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }

.center { text-align: center; }
.center .section-sub { margin-left: auto; margin-right: auto; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-radius: 20px;
  padding: 48px;
  text-align: center;
  color: #fff;
  box-shadow: 0 16px 40px rgba(79,124,255,0.28);
}
.cta-band h2 { margin: 0 0 10px; font-size: clamp(24px, 3vw, 32px); }
.cta-band p { color: rgba(255,255,255,0.9); margin: 0 0 24px; }
.cta-band .btn-primary { background: #fff; color: var(--brand); box-shadow: none; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--muted);
  font-size: 14px;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer .colophon { max-width: 520px; }
.site-footer .links a { color: var(--muted); margin-left: 18px; }
.site-footer .links a:hover { color: var(--text); }

/* Legal / content pages */
.doc { padding: 60px 0 80px; }
.doc h1 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 8px; }
.doc .updated { color: var(--muted); margin: 0 0 36px; font-size: 14px; }
.doc h2 { margin: 34px 0 10px; font-size: 22px; }
.doc p, .doc li { color: #2b374e; }
.doc ul { padding-left: 20px; }
.doc .back { display: inline-block; margin-bottom: 24px; color: var(--muted); }

.notice {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--muted);
  font-size: 14px;
  margin: 24px 0;
}

.address {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 16px 0;
  color: #2b374e;
}

@media (max-width: 820px) {
  .grid, .steps { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .compare, .split { grid-template-columns: 1fr; }
  .nav a:not(.btn) { display: none; }
}