/* Signal & Stone — shared styles */

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

:root {
  --amber: #BA7517;
  --amber-light: #FAEEDA;
  --text-primary: #1a1a18;
  --text-secondary: #5f5e5a;
  --text-tertiary: #888780;
  --bg-primary: #ffffff;
  --bg-secondary: #f5f4f0;
  --border: rgba(0,0,0,0.12);
  --border-strong: rgba(0,0,0,0.22);
  --radius-md: 8px;
  --radius-lg: 12px;
  --green: #3B6D11;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #e8e7e2;
    --text-secondary: #a8a79f;
    --text-tertiary: #6e6d68;
    --bg-primary: #1a1a18;
    --bg-secondary: #242421;
    --border: rgba(255,255,255,0.1);
    --border-strong: rgba(255,255,255,0.2);
    --amber-light: #2a1f08;
    --green: #7ac142;
  }
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
}

.site-wrap { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }

/* NAV */
.site-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 0 1.5rem;
  border-bottom: 0.5px solid var(--border);
}
.nav-logo { font-size: 15px; font-weight: 500; letter-spacing: 0.04em; text-decoration: none; color: var(--text-primary); }
.nav-logo span { color: var(--amber); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { font-size: 13px; color: var(--text-secondary); text-decoration: none; }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--text-primary); font-weight: 500; }
.nav-cta {
  background: var(--amber); color: #fff; border: none;
  padding: 7px 14px; border-radius: var(--radius-md);
  font-size: 12px; font-weight: 500; cursor: pointer;
  font-family: inherit; text-decoration: none; display: inline-block;
}
@media (max-width: 560px) {
  .nav-links { gap: 1rem; }
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-links a.nav-mobile-show { display: inline; }
}

/* SHARED ELEMENTS */
.signal-line { width: 36px; height: 2px; background: var(--amber); margin: 2.5rem 0 1.25rem; }
.eyebrow { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 0.875rem; font-weight: 500; }
.section-label { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 1.25rem; font-weight: 500; }
.divider { height: 0.5px; background: var(--border); margin: 2.5rem 0; }
h1 { font-size: 30px; font-weight: 500; line-height: 1.2; margin-bottom: 1rem; }
h2 { font-size: 20px; font-weight: 500; margin-bottom: 0.75rem; }
h3 { font-size: 17px; font-weight: 500; margin-bottom: 0.5rem; }
h4 { font-size: 14px; font-weight: 500; margin-bottom: 0.35rem; }
p { color: var(--text-secondary); line-height: 1.75; }
.lead { font-size: 16px; line-height: 1.75; max-width: 540px; }
strong { color: var(--text-primary); font-weight: 500; }

/* BUTTONS */
.btn { background: var(--amber); color: #fff; border: none; padding: 10px 22px; border-radius: var(--radius-md); font-size: 14px; font-weight: 500; cursor: pointer; font-family: inherit; text-decoration: none; display: inline-block; }
.btn:hover { background: #9e6312; }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 0.5px solid var(--border-strong); padding: 10px 22px; border-radius: var(--radius-md); font-size: 14px; cursor: pointer; font-family: inherit; text-decoration: none; display: inline-block; }
.btn-ghost:hover { background: var(--bg-secondary); }
.btn-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* CARDS */
.card { background: var(--bg-primary); border: 0.5px solid var(--border); border-radius: var(--radius-lg); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }

/* DEFINITION BOX */
.definition { border-left: 2px solid var(--amber); padding: 1rem 1.25rem; background: var(--bg-secondary); border-radius: 0 var(--radius-md) var(--radius-md) 0; margin-bottom: 1.5rem; }
.definition p { font-size: 14px; }

/* BORDERED TABLE */
.bordered { border: 0.5px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.bordered-row { display: grid; border-bottom: 0.5px solid var(--border); }
.bordered-row:last-child { border-bottom: none; }
.bordered-cell { padding: 0.75rem 1rem; font-size: 13px; border-right: 0.5px solid var(--border); }
.bordered-cell:last-child { border-right: none; }

/* PROOF CARDS */
.proof-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.proof-card { background: var(--bg-secondary); border-radius: var(--radius-md); padding: 1rem; }
.proof-num { font-size: 26px; font-weight: 500; line-height: 1; color: var(--text-primary); }
.proof-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.proof-ctx { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }

/* STEPS */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); border: 0.5px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.step { padding: 1.1rem; border-right: 0.5px solid var(--border); background: var(--bg-primary); }
.step:last-child { border-right: none; }
.step-num { font-size: 11px; color: var(--amber); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.5rem; }
.step h4 { font-size: 13px; }
.step p { font-size: 12px; }

/* INDUSTRY CARDS */
.industry-card { padding: 1.1rem 1.25rem; }
.industry-card i { font-size: 18px; color: var(--amber); display: block; margin-bottom: 0.6rem; }
.industry-card p { font-size: 12px; }

/* DELIVERABLE ITEM */
.deliv { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 0.6rem; }
.deliv i { font-size: 14px; color: var(--amber); margin-top: 2px; flex-shrink: 0; }
.deliv span { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* CREDENTIAL CARD */
.cred-card { padding: 1.1rem 1.25rem; }
.cred-card i { font-size: 18px; color: var(--amber); display: block; margin-bottom: 0.6rem; }
.cred-card h4 { font-size: 13px; }
.cred-card p { font-size: 12px; }

/* FAQ */
.faq { border: 0.5px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.faq-item { padding: 1rem 1.25rem; border-bottom: 0.5px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-item h4 { margin-bottom: 0.4rem; }
.faq-item p { font-size: 13px; }

/* INLINE CRED */
.inline-cred { display: flex; gap: 10px; align-items: flex-start; padding: 0.75rem 1rem; background: var(--bg-secondary); border-radius: var(--radius-md); margin-bottom: 8px; }
.inline-cred i { font-size: 15px; color: var(--amber); margin-top: 1px; flex-shrink: 0; }
.inline-cred p { font-size: 13px; margin: 0; }

/* PAGE CTA SECTION */
.page-cta { text-align: center; padding: 3rem 0 1.5rem; }
.page-cta .cta-line { width: 32px; height: 2px; background: var(--amber); margin: 0 auto 1.5rem; }
.page-cta h2 { font-size: 22px; }
.page-cta p { font-size: 15px; margin-bottom: 1.75rem; }

/* FOOTER */
.site-footer { padding: 1.25rem 0; border-top: 0.5px solid var(--border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 1rem; }
.site-footer p { font-size: 12px; color: var(--text-tertiary); margin: 0; }

@media (max-width: 500px) {
  h1 { font-size: 24px; }
  h2 { font-size: 18px; }
  .steps { grid-template-columns: 1fr 1fr; }
}