/* Secret Key — public splash. Light theme, black/white checkerboard motif. */
:root {
  --ink: #111111;
  --paper: #fdfdfb;
  --paper-soft: #f4f4f0;
  --line: #d9d9d2;
  --muted: #5b5b55;
  --check: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}
.wrap { max-width: 1020px; margin: 0 auto; padding: 0 1.25rem; }

.checker-band {
  height: calc(var(--check) * 2);
  background:
    conic-gradient(var(--ink) 90deg, var(--paper) 90deg 180deg,
                   var(--ink) 180deg 270deg, var(--paper) 270deg);
  background-size: calc(var(--check) * 2) calc(var(--check) * 2);
}

/* Header */
.topbar { border-bottom: 1px solid var(--line); background: var(--paper); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; }
.wordmark {
  font-size: 1.35rem; letter-spacing: 0.18em; font-weight: 700;
  color: var(--ink); text-decoration: none;
}
.wordmark-mint { font-size: 0.6em; letter-spacing: 0.3em; color: var(--muted); margin-left: 0.5em; vertical-align: middle; }
.topnav { display: flex; align-items: center; gap: 1.5rem; }
.topnav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.topnav a:hover { text-decoration: underline; }

/* Buttons */
.btn {
  display: inline-block; background: var(--ink); color: var(--paper);
  padding: 0.7rem 1.6rem; text-decoration: none; border: 1px solid var(--ink);
  font-family: inherit; font-size: 1rem; letter-spacing: 0.05em; cursor: pointer;
}
.btn:hover { background: var(--paper); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-small { padding: 0.4rem 1rem; font-size: 0.9rem; }

/* Hero */
.hero { text-align: center; padding: 4.5rem 1.25rem 3.5rem; }
.hero-emblem { margin-bottom: 2rem; }
.coin { width: 120px; height: 120px; }
.coin-rim { fill: var(--ink); }
.coin-face { fill: var(--paper); }
.keyhole { fill: var(--ink); }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 600; line-height: 1.15; letter-spacing: 0.01em; }
.lede { max-width: 640px; margin: 1.5rem auto 2.2rem; font-size: 1.12rem; color: var(--muted); }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Feature cards */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; padding-bottom: 3.5rem; }
.card { border: 1px solid var(--line); background: var(--paper); padding: 1.6rem; }
.card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; letter-spacing: 0.03em; }
.card p { color: var(--muted); font-size: 0.98rem; }

/* How it works */
.how { background: var(--paper-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 3.5rem 0; }
h2 { font-size: 1.8rem; margin-bottom: 1.5rem; letter-spacing: 0.02em; }
.steps { max-width: 720px; counter-reset: step; list-style: none; }
.steps li { padding: 0.9rem 0 0.9rem 3.2rem; position: relative; counter-increment: step; border-bottom: 1px dotted var(--line); }
.steps li:last-child { border-bottom: none; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0.9rem;
  width: 2.1rem; height: 2.1rem; display: flex; align-items: center; justify-content: center;
  background: var(--ink); color: var(--paper); font-size: 1rem;
}

/* Services */
.services { padding: 3.5rem 1.25rem; }

/* Contact / funnel */
.contact { background: var(--ink); color: var(--paper); padding: 3.5rem 0 4rem; }
.contact h2 { color: var(--paper); }
.contact-inner > p { color: #c9c9c2; margin-bottom: 2rem; }
#lead-form { display: flex; flex-direction: column; gap: 1.1rem; max-width: 720px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
#lead-form label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.95rem; letter-spacing: 0.04em; }
#lead-form .opt { color: #9a9a93; font-size: 0.85em; }
#lead-form input, #lead-form select, #lead-form textarea {
  font-family: inherit; font-size: 1rem; padding: 0.65rem 0.8rem;
  background: var(--paper); color: var(--ink); border: 1px solid var(--line);
}
#lead-form textarea { resize: vertical; }
#lead-form .btn { align-self: flex-start; background: var(--paper); color: var(--ink); border-color: var(--paper); }
#lead-form .btn:hover { background: transparent; color: var(--paper); }
.hp { position: absolute !important; left: -9999px !important; height: 0; width: 0; opacity: 0; }
#lead-status { min-height: 1.4em; font-size: 0.95rem; }
#lead-status.ok { color: #b5e0b5; }
#lead-status.err { color: #e0b5b5; }

/* Footer */
.footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; padding: 1.2rem 1.25rem 2rem; color: var(--muted); font-size: 0.9rem; }
.foot-tag { font-style: italic; }

@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; }
  .topnav a:not(.btn) { display: none; }
}