/* Site Audit Desk — clean professional B2B. Vanilla CSS, no frameworks. */

:root {
  --paper: #faf9f6;
  --paper-alt: #f1efe9;
  --ink: #0f2740;
  --ink-soft: #3d5266;
  --ink-faint: #6b7f92;
  --accent: #b8860b;
  --accent-bright: #e8b93c;
  --line: #e2ddd1;
  --card: #ffffff;
  --success: #1e7e46;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 720px; }
.center { text-align: center; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 249, 246, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex; align-items: center; gap: 28px;
  padding-top: 14px; padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 30px; height: 30px; }
.brand-name { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.main-nav { display: flex; gap: 22px; margin-left: auto; }
.main-nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.main-nav a:hover { color: var(--ink); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; text-decoration: none; cursor: pointer;
  font-family: var(--font); font-weight: 600; font-size: 1rem;
  padding: 13px 28px; border-radius: var(--radius);
  border: 1px solid transparent; transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #16334f; box-shadow: 0 4px 14px rgba(15, 39, 64, 0.25); }
.btn-secondary { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--ink-faint); }
.btn-ghost { color: var(--ink); border-color: var(--line); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.btn-sm { padding: 9px 18px; font-size: 0.9rem; }
.btn-lg { width: 100%; padding: 15px 28px; font-size: 1.05rem; }

/* ---------- hero ---------- */
.hero { padding: 88px 0 72px; border-bottom: 1px solid var(--line); }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem;
  color: var(--accent); font-weight: 700; margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 20px;
}
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 640px; margin-bottom: 32px; }
.lede strong { color: var(--ink); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-points { list-style: none; display: flex; gap: 26px; flex-wrap: wrap; }
.hero-points li {
  font-size: 0.95rem; color: var(--ink-soft); font-weight: 500;
  padding-left: 26px; position: relative;
}
.hero-points li::before {
  content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 700;
}

/* ---------- sections ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--paper-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); letter-spacing: -0.015em; margin-bottom: 10px; }
.section-sub { color: var(--ink-soft); font-size: 1.08rem; margin-bottom: 36px; max-width: 620px; }
.center .section-sub { margin-left: auto; margin-right: auto; }

/* ---------- cards ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 22px;
}
.card h3 { font-size: 1.08rem; margin-bottom: 10px; }
.card p { font-size: 0.94rem; color: var(--ink-soft); }

/* ---------- steps ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.steps li {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 24px; position: relative;
}
.step-n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--ink); color: #fff; font-weight: 700; margin-bottom: 16px;
}
.steps h3 { font-size: 1.08rem; margin-bottom: 8px; }
.steps p { font-size: 0.94rem; color: var(--ink-soft); }

/* ---------- pricing ---------- */
.price-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 44px 40px; max-width: 560px; text-align: center;
  box-shadow: 0 8px 30px rgba(15, 39, 64, 0.07);
}
.price { margin-bottom: 22px; }
.price-amount { font-size: 3.4rem; font-weight: 800; letter-spacing: -0.03em; }
.price-per { color: var(--ink-faint); font-size: 1.1rem; margin-left: 6px; }
.price-list { list-style: none; text-align: left; margin: 0 auto 30px; max-width: 400px; }
.price-list li { padding: 9px 0 9px 28px; position: relative; border-bottom: 1px solid var(--line); font-size: 0.98rem; }
.price-list li:last-child { border-bottom: none; }
.price-list li::before { content: "✓"; position: absolute; left: 2px; color: var(--success); font-weight: 700; }

/* ---------- payment ---------- */
.pay-options { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 28px; }
.pay-option {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; text-align: center;
}
.pay-option strong { display: block; font-size: 1.25rem; margin-bottom: 4px; }
.pay-option span { color: var(--ink-faint); font-size: 0.9rem; }
.wallet-box {
  background: var(--ink); color: #fff; border-radius: var(--radius);
  padding: 24px; margin-bottom: 24px;
}
.wallet-label { font-size: 0.92rem; color: #b9c6d4; margin-bottom: 12px; }
.wallet-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.wallet-address {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86rem; word-break: break-all; flex: 1; min-width: 220px;
  background: rgba(255,255,255,0.08); padding: 10px 14px; border-radius: 6px;
}
.wallet-box .btn-secondary { background: #fff; }
.wallet-note { font-size: 0.88rem; color: var(--accent-bright); margin-top: 10px; min-height: 1.2em; }
.pay-terms { list-style: none; }
.pay-terms li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 0.96rem; color: var(--ink-soft); }
.pay-terms li:last-child { border-bottom: none; }
.pay-terms strong { color: var(--ink); }

/* ---------- claim form ---------- */
.claim-form {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 36px 34px; box-shadow: 0 8px 30px rgba(15, 39, 64, 0.07);
}
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 7px; }
.field input {
  width: 100%; font-family: var(--font); font-size: 1rem;
  padding: 13px 14px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--paper); color: var(--ink);
}
.field input:focus { outline: 2px solid var(--accent-bright); outline-offset: -1px; border-color: var(--accent); }
.field-hint { font-size: 0.85rem; color: var(--ink-faint); margin-top: 6px; }
.form-error { color: #b3261e; font-size: 0.92rem; margin-bottom: 16px; font-weight: 500; }
.form-fine { text-align: center; font-size: 0.88rem; color: var(--ink-faint); margin-top: 14px; }
.claim-success {
  background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--success);
  border-radius: var(--radius); padding: 36px 34px; text-align: center;
}
.claim-success h3 { font-size: 1.5rem; margin-bottom: 10px; }
.claim-success p { color: var(--ink-soft); font-size: 1.05rem; }

/* ---------- contact ---------- */
.contact-email {
  font-size: clamp(1.3rem, 3.4vw, 1.9rem); font-weight: 700; color: var(--ink);
  text-decoration: none; border-bottom: 3px solid var(--accent-bright);
}
.contact-email:hover { color: #16334f; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #cfd9e3; padding: 44px 0; }
.footer-inner { text-align: center; }
.footer-brand { font-weight: 700; font-size: 1.05rem; color: #fff; margin-bottom: 6px; }
.footer-line { font-size: 0.92rem; margin-bottom: 10px; }
.footer-contact a { color: var(--accent-bright); text-decoration: none; font-size: 0.92rem; }
.footer-contact a:hover { text-decoration: underline; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .header-inner .btn-sm { margin-left: auto; }
}
@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
  .pay-options { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 52px; }
  .section { padding: 52px 0; }
  .claim-form { padding: 26px 22px; }
  .wallet-row { flex-direction: column; align-items: stretch; }
  .wallet-row .btn { width: 100%; }
}