:root {
  --bg: #ffffff;
  --bg-alt: #f6f7fb;
  --bg-dark: #0f172a;
  --ink: #0f172a;
  --ink-muted: #475569;
  --ink-soft: #64748b;
  --line: #e2e8f0;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #dbeafe;
  --success: #16a34a;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 30px -12px rgba(15, 23, 42, 0.18);
  --max: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

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

h1, h2, h3 { line-height: 1.2; color: var(--ink); margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px; height: 30px;
  background: var(--bg-dark);
  color: #fff;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.02em;
}
.brand-name { font-size: 1rem; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.site-nav a {
  color: var(--ink-muted);
  font-size: .95rem;
}
.site-nav a:hover { color: var(--ink); text-decoration: none; }
.nav-cta {
  background: var(--ink);
  color: #fff !important;
  padding: 8px 14px;
  border-radius: 8px;
}
.nav-cta:hover { background: var(--accent-dark); text-decoration: none; }

@media (max-width: 680px) {
  .site-nav a:not(.nav-cta) { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(48px, 9vw, 110px) 0 clamp(40px, 7vw, 80px);
  background:
    radial-gradient(1000px 500px at 80% -10%, var(--accent-soft), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%);
}
.hero-inner { max-width: 820px; }
.eyebrow {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  font-size: .85rem;
  color: var(--ink-muted);
  margin: 0 0 18px;
}
.lede {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 640px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 24px;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
  color: var(--ink-muted);
  font-size: .95rem;
}
.hero-points li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  margin-right: 6px;
}
.hero-points strong { color: var(--ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform .05s ease, background .15s ease, color .15s ease, border-color .15s ease;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; }

/* ---------- Sections ---------- */
section { padding: clamp(48px, 7vw, 90px) 0; }
.section-lede {
  max-width: 640px;
  color: var(--ink-muted);
  margin-bottom: 2rem;
}

/* ---------- Who ---------- */
.who { background: #fff; }
.who-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.who-card {
  padding: 24px;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}
.who-card h3 { margin-bottom: .5rem; }
.who-card p { color: var(--ink-muted); margin: 0; }

/* ---------- What ---------- */
.what { background: var(--bg-alt); }
.feature-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.feature-grid li {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.feature-grid strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}
.feature-grid span {
  color: var(--ink-muted);
  font-size: .95rem;
}

.subhead {
  margin-top: 3rem;
  font-size: 1.4rem;
  color: var(--ink);
}
.subhead em {
  font-style: italic;
  color: var(--ink-muted);
  font-weight: 500;
}

.not-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.not-grid li {
  position: relative;
  padding: 18px 20px 18px 46px;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}
.not-grid li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 26px;
  width: 14px;
  height: 2px;
  background: var(--ink-soft);
  border-radius: 1px;
}
.not-grid strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}
.not-grid span {
  color: var(--ink-muted);
  font-size: .95rem;
}
.not-grid em {
  color: var(--ink);
  font-style: italic;
}

/* ---------- Pricing ---------- */
.pricing { background: #fff; }
.pricing-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  align-items: stretch;
}
.price-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.price-card header { margin-bottom: 14px; }
.price-card h3 { margin-bottom: 8px; font-size: 1.1rem; color: var(--ink-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.price {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.price .amount {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.price .period {
  color: var(--ink-soft);
  font-size: 1rem;
}
.price-note {
  margin: 6px 0 0;
  font-size: .85rem;
  color: var(--success);
  font-weight: 600;
}
.price-card > p {
  color: var(--ink-muted);
  margin-bottom: 18px;
}
.check-list {
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}
.check-list li {
  padding: 6px 0 6px 24px;
  position: relative;
  color: var(--ink-muted);
  font-size: .95rem;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}
.price-card-featured {
  border-color: var(--ink);
  box-shadow: var(--shadow-md);
  position: relative;
}
.price-card-featured::after {
  content: "Most popular";
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--ink);
  color: #fff;
  font-size: .75rem;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: .04em;
}
.pricing-footnote {
  margin-top: 2rem;
  padding: 18px 20px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  color: var(--ink-muted);
  font-size: .95rem;
}

/* ---------- Process ---------- */
.process { background: var(--bg-alt); }
.steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}
.steps li {
  background: #fff;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.step-num {
  display: inline-grid;
  place-items: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  margin-bottom: 10px;
}
.steps h3 { margin-bottom: 6px; }
.steps p { margin: 0; color: var(--ink-muted); font-size: .95rem; }

/* ---------- FAQ ---------- */
.faq { background: #fff; }
.faq details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--ink-soft);
  margin-left: 20px;
  transition: transform .15s ease;
}
.faq details[open] summary::after { content: "–"; }
.faq details p {
  margin: 10px 0 0;
  color: var(--ink-muted);
  max-width: 780px;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--bg-dark);
  color: #fff;
  text-align: center;
}
.contact h2 { color: #fff; }
.contact-inner { max-width: 640px; margin-inline: auto; }
.contact p { color: #cbd5e1; }
.contact .btn-primary {
  background: #fff;
  color: var(--ink);
  margin: 16px 0 10px;
}
.contact .btn-primary:hover { background: var(--accent-soft); }
.contact-note { font-size: .9rem; color: #94a3b8; margin-top: 6px; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  font-size: .9rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-links a { color: var(--ink-soft); }
.footer-links a:hover { color: var(--ink); }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}
