/* Callback CRM landing — dark, bold, trades aesthetic */
:root {
  --bg: #0e1116;
  --bg-raise: #161b24;
  --bg-card: #1c2330;
  --ink: #eef2f7;
  --ink-dim: #9aa7b8;
  --accent: #ff7a1a;       /* safety orange */
  --accent-ink: #14100a;
  --good: #3ddc84;
  --line: #2a3344;
  --radius: 12px;
  --max: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 8px; }
.section-sub { color: var(--ink-dim); margin-bottom: 32px; max-width: 560px; }
section { padding: 72px 0; }
.fine { font-size: 0.78rem; color: var(--ink-dim); }
em { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.08s ease, filter 0.15s ease;
}
.btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-small { padding: 9px 18px; font-size: 0.9rem; }
.btn-big { padding: 15px 30px; font-size: 1.05rem; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(14, 17, 22, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.logo { font-size: 1.1rem; }

/* Hero */
.hero { padding: 96px 0 72px; text-align: center; }
.kicker {
  color: var(--accent); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; font-size: 0.82rem; margin-bottom: 16px;
}
.hero h1 { font-size: clamp(2.1rem, 5.5vw, 3.6rem); margin-bottom: 20px; }
.hero .sub { color: var(--ink-dim); max-width: 640px; margin: 0 auto 32px; font-size: 1.08rem; }
.hero .sub strong { color: var(--ink); }

/* Stats band */
.stats { background: var(--bg-raise); border-block: 1px solid var(--line); padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; }
.stat-n { font-size: 2.2rem; font-weight: 800; color: var(--accent); }
.stat-l { font-size: 0.85rem; color: var(--ink-dim); }

/* Calculator */
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.calc-inputs, .calc-results {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.calc-inputs label {
  display: block; margin-bottom: 22px;
  font-size: 0.85rem; font-weight: 600; color: var(--ink-dim);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.calc-inputs select, .calc-inputs input[type="range"] { display: block; width: 100%; margin-top: 8px; }
.calc-inputs select {
  background: var(--bg-raise); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px; font-size: 1rem;
}
.calc-inputs output { float: right; color: var(--ink); font-size: 1rem; font-weight: 700; }
input[type="range"] { accent-color: var(--accent); height: 28px; }

.result-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--line); gap: 12px;
}
.result-label { color: var(--ink-dim); font-size: 0.92rem; }
.result-value { font-weight: 800; font-size: 1.25rem; white-space: nowrap; }
.result-row.big .result-value { color: var(--accent); font-size: 1.9rem; }
.result-value small { font-size: 0.9rem; color: var(--ink-dim); font-weight: 600; }
.result-row.roi .result-value { color: var(--good); }
.calc-results .fine { margin: 16px 0 20px; }
.calc-results .btn { width: 100%; text-align: center; }

/* How it works */
.how { background: var(--bg-raise); border-block: 1px solid var(--line); }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.how-step { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.how-n {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; margin-bottom: 14px;
}
.how-step h3 { margin-bottom: 8px; font-size: 1.1rem; }
.how-step p { color: var(--ink-dim); font-size: 0.95rem; }

/* Anti / fine-print-up-front */
.anti-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.anti-item {
  background: var(--bg-card); border: 1px solid var(--line);
  border-left: 3px solid var(--good);
  border-radius: var(--radius); padding: 18px 20px;
  color: var(--ink-dim); font-size: 0.95rem;
}
.anti-item strong { color: var(--ink); display: block; margin-bottom: 2px; }

/* Waitlist */
.waitlist { text-align: center; }
.waitlist .section-sub { margin-inline: auto; }
.waitlist-form {
  display: grid; gap: 12px; max-width: 420px; margin: 0 auto;
}
.waitlist-form input, .waitlist-form select {
  background: var(--bg-card); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; font-size: 1rem;
}
.waitlist-form input::placeholder { color: var(--ink-dim); }
.wl-msg { margin-top: 16px; min-height: 1.5em; font-weight: 600; }
.wl-msg.ok { color: var(--good); }
.wl-msg.err { color: #ff6b6b; }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px; text-align: center; color: var(--ink-dim);
}
.footer .fine { margin-top: 10px; }

/* Mobile */
@media (max-width: 820px) {
  section { padding: 52px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .calc-grid, .how-grid, .anti-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
}