/* ========================================
   Signal Recovery Labs
   Trust + Precision palette
   ======================================== */

:root {
  --ink: #0B1F36;
  --accent: #2BC48A;
  --accent-hover: #21A975;
  --bg: #FFFFFF;
  --bg-subtle: #F5F7FA;
  --text: #0F172A;
  --text-muted: #475569;
  --border: #E2E8F0;
}

/* ── Reset ────────────────────────────── */

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

/* ── Base ─────────────────────────────── */

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Layout ───────────────────────────── */

.container {
  max-width: 72ch;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Hero ─────────────────────────────── */

.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.subhead {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.lede {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 54ch;
}

.cta {
  display: inline-block;
  padding: 0.7rem 1.75rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.15s ease;
}

.cta:hover {
  background: var(--accent-hover);
}

/* ── Sections ─────────────────────────── */

.section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
}

.section--subtle {
  background: var(--bg-subtle);
}

.section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

.section p {
  color: var(--text);
  margin-bottom: 1.25rem;
}

/* ── Bullet list (What We Do) ─────────── */

.section ul {
  list-style: none;
  padding: 0;
}

.section ul li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ── Steps (How It Works) ─────────────── */

.steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.steps li:last-child {
  border-bottom: none;
}

.steps li strong {
  font-weight: 600;
  color: var(--ink);
}

.steps li strong::before {
  content: counter(step) ". ";
  color: var(--accent);
  font-weight: 600;
}

.steps li span {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ── Contact ──────────────────────────── */

.contact-email {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.contact-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ── Footer ───────────────────────────── */

footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

/* ── Responsive ───────────────────────── */

@media (min-width: 640px) {
  .hero {
    padding: 7rem 0 5rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .subhead {
    font-size: 1.15rem;
  }

  .section {
    padding: 4.5rem 0;
  }

  .section h2 {
    font-size: 1.4rem;
  }
}