:root {
  --color-bg: #0e1320;
  --color-bg-raised: #161c2c;
  --color-bg-card: #1b2235;
  --color-border: #2b3350;
  --color-text: #e7e9f2;
  --color-text-dim: #9aa3c0;
  --color-text-faint: #6b7395;
  --color-accent: #e8a33d;
  --color-accent-dim: #b9822f;
  --color-ok: #5fd98a;
  --color-warn: #f0c05a;
  --color-bad: #ef6f6f;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;

  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.3rem);
  --text-hero: clamp(2.25rem, 1.7rem + 2.6vw, 3.75rem);
  --text-h2: clamp(1.75rem, 1.5rem + 1.2vw, 2.5rem);
  --text-h3: clamp(1.15rem, 1.1rem + 0.3vw, 1.35rem);

  --space-section: clamp(3.5rem, 3rem + 3vw, 7rem);
  --radius: 10px;

  --duration-fast: 150ms;
  --duration-normal: 260ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 0.6em; }
h1 { font-size: var(--text-hero); font-weight: 700; }
h2 { font-size: var(--text-h2); font-weight: 700; }
h3 { font-size: var(--text-h3); font-weight: 600; }
p { margin: 0 0 1em; color: var(--color-text-dim); }

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

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--color-accent);
  margin: 0 0 0.75em;
  font-weight: 600;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(14, 19, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
  gap: 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}
.brand-mark {
  font-family: var(--font-mono);
  color: var(--color-accent);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.15rem 0.4rem;
  font-size: 0.9rem;
}
.main-nav { display: flex; gap: 1.75rem; }
.main-nav a {
  color: var(--color-text-dim);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--duration-fast) var(--ease-out-expo);
}
.main-nav a:hover, .main-nav a:focus-visible { color: var(--color-text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo),
              background var(--duration-fast) var(--ease-out-expo),
              border-color var(--duration-fast) var(--ease-out-expo);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-accent); color: #1a1206; }
.btn-primary:hover, .btn-primary:focus-visible { background: #f2ae4a; }
.btn-ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--color-accent); color: var(--color-accent); }
.btn-outline { background: transparent; color: var(--color-accent); border-color: var(--color-accent-dim); width: 100%; }
.btn-outline:hover, .btn-outline:focus-visible { background: rgba(232, 163, 61, 0.1); }
.btn-small { padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* Hero */
.hero { padding: clamp(3rem, 4vw, 5.5rem) 0 var(--space-section); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 0.5em; }
.lede { font-size: var(--text-lg); color: var(--color-text-dim); max-width: 46ch; }
.hero-ctas { display: flex; gap: 0.9rem; flex-wrap: wrap; margin: 1.75rem 0 1rem; }
.hero-note { font-size: 0.85rem; color: var(--color-text-faint); }

.diff-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.6);
}
.diff-card-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  background: var(--color-bg-raised);
  border-bottom: 1px solid var(--color-border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-r { background: #ef6f6f; } .dot-y { background: #f0c05a; } .dot-g { background: #5fd98a; }
.diff-title { margin-left: 0.6rem; font-family: var(--font-mono); font-size: 0.78rem; color: var(--color-text-faint); }
.diff-body {
  margin: 0;
  padding: 1.1rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  overflow-x: auto;
}
.diff-body .ln { color: var(--color-text-faint); margin-right: 0.9em; user-select: none; }
.diff-body .ok { color: var(--color-ok); }
.diff-body .warn { color: var(--color-warn); }

/* Trust bar */
.trust-bar { border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); background: var(--color-bg-raised); }
.trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 1.75rem 1.5rem;
}
.trust-row div { text-align: center; }
.trust-row strong { display: block; font-family: var(--font-mono); color: var(--color-accent); font-size: 1.3rem; margin-bottom: 0.25rem; }
.trust-row span { color: var(--color-text-faint); font-size: 0.85rem; }

/* Section spacing */
.section { padding: var(--space-section) 0; }
.section h2 { max-width: 24ch; }

/* Problems */
.problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 2rem; }
.problem-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-bad);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}
.problem-card p { color: var(--color-text); margin: 0.6em 0 0; }
.tag { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; padding: 0.2rem 0.5rem; border-radius: 4px; }
.tag-bad { background: rgba(239, 111, 111, 0.15); color: var(--color-bad); }
.problems-note { margin-top: 1.75rem; color: var(--color-text-dim); border-top: 1px dashed var(--color-border); padding-top: 1.5rem; }

/* Timeline */
.timeline { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; gap: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
}
.timeline li:last-child { border-bottom: 1px solid var(--color-border); }
.tl-num { font-family: var(--font-mono); color: var(--color-accent); font-size: 1.4rem; font-weight: 700; }
.timeline h3 { margin-bottom: 0.35em; }
.timeline p { max-width: 62ch; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2.25rem; }
.price-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card-featured { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent), 0 20px 50px -25px rgba(232,163,61,0.4); transform: translateY(-6px); }
.badge {
  position: absolute; top: -12px; right: 1.25rem;
  background: var(--color-accent); color: #1a1206;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem; border-radius: 999px;
}
.price-range { color: var(--color-text-faint); font-size: 0.85rem; margin-bottom: 0.75rem; }
.price { font-family: var(--font-mono); font-size: 2.1rem; font-weight: 700; color: var(--color-accent); margin: 0 0 1.1rem; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 1.5rem; flex-grow: 1; }
.price-card li { padding: 0.5rem 0; border-top: 1px solid var(--color-border); font-size: 0.9rem; color: var(--color-text-dim); }
.price-card li:first-child { border-top: none; }
.pricing-footnote { margin-top: 2rem; color: var(--color-text-faint); font-size: 0.88rem; max-width: 70ch; }

/* Estimator */
.estimator { background: var(--color-bg-raised); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.estimator-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: start; }
.estimator-points { padding-left: 1.1rem; color: var(--color-text-dim); font-size: 0.92rem; }
.estimator-points li { margin-bottom: 0.5em; }

.lead-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.form-row { margin-bottom: 1.1rem; }
.form-row-split { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row label { display: block; font-size: 0.85rem; color: var(--color-text-dim); margin-bottom: 0.4rem; font-weight: 500; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 6px;
  padding: 0.65rem 0.8rem;
  font-family: inherit;
  font-size: 0.92rem;
  transition: border-color var(--duration-fast) var(--ease-out-expo);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-result { margin: 0.9rem 0 0; font-size: 0.9rem; min-height: 1.2em; }
.form-result.ok { color: var(--color-ok); }
.form-result.err { color: var(--color-bad); }

/* Payment */
.payment-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; }
.payment-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.payment-label { font-size: 0.82rem; color: var(--color-text-faint); margin-bottom: 0.6rem; }
.wallet-address {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
  word-break: break-all;
  color: var(--color-accent);
}
.payment-note { font-size: 0.82rem; color: var(--color-text-faint); margin-top: 0.75rem; margin-bottom: 0; }

/* FAQ */
.faq-list { margin-top: 2rem; display: grid; gap: 0.75rem; }
.faq-list details {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before { content: "+ "; color: var(--color-accent); font-family: var(--font-mono); }
.faq-list details[open] summary::before { content: "– "; }
.faq-list p { margin: 0.75rem 0 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); padding: 2.5rem 0; background: var(--color-bg-raised); }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; }
.footer-tag { font-size: 0.85rem; color: var(--color-text-faint); max-width: 40ch; margin-top: 0.75rem; }
.footer-contact p { font-size: 0.85rem; color: var(--color-text-faint); margin: 0 0 0.5em; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .estimator-grid, .payment-grid { grid-template-columns: 1fr; }
  .trust-row, .problem-grid, .pricing-grid { grid-template-columns: 1fr; }
  .price-card-featured { transform: none; }
  .main-nav { display: none; }
  .form-row-split { grid-template-columns: 1fr; }
}