/* ============================================================
   Know Thy Buyer — Direction 2: Mercury Trust
   Intent: Fortune 500-grade authority and trust, expressed with
   warmth, style, elegance. Authority through calm. Boring on purpose.
   Palette:
     navy field      #16233a
     warm charcoal   #2a2e35
     card            #faf9f7
     page ground     #f5f4f2
     slate-blue      #4a5f7f
     amber hairline  #c8a24b  (hairlines only, never fills)
   ============================================================ */

:root {
  --navy: #16233a;
  --charcoal: #2a2e35;
  --card: #faf9f7;
  --ground: #f5f4f2;
  --slate: #4a5f7f;
  --amber: #c8a24b;

  --ink: #23262b;
  --ink-soft: #565b63;
  --paper: #f5f4f2;
  --paper-ink: #f2f3f5;      /* primary text on navy */
  --paper-ink-soft: #b9c1cd; /* secondary text on navy */

  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

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

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 6px;
  text-decoration: none;
  line-height: 1.2;
  min-height: 48px; /* tap-friendly */
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: #ffffff;
  color: var(--navy);
  border: 1px solid #ffffff;
}
.btn-primary:hover { background: #e6e9ee; border-color: #e6e9ee; }

.btn-ghost {
  background: transparent;
  color: var(--paper-ink);
  border: 1px solid rgba(242, 243, 245, 0.35);
}
.btn-ghost:hover { border-color: var(--amber); color: #fff; }

/* ---------- Nav ---------- */
.nav {
  background: var(--navy);
  border-bottom: 1px solid var(--amber); /* whisper-thin hairline */
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.wordmark {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--paper-ink);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, #16233a 0%, #1a2740 100%);
  color: var(--paper-ink);
  padding: 88px 0 104px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber); /* 5.9:1 on navy — passes AA */
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
  color: #ffffff;
}

.subhead {
  font-size: 1.08rem;
  color: var(--paper-ink-soft);
  max-width: 32rem;
  margin-bottom: 32px;
}

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--paper-ink-soft);
}

/* ---------- Report card (real HTML/CSS product visual) ---------- */
.card-stage {
  display: flex;
  justify-content: center;
}

.report-card {
  background: var(--card);
  color: var(--ink);
  border-radius: 10px;
  width: 100%;
  max-width: 400px;
  padding: 26px 26px 22px;
  border-top: 1px solid var(--amber); /* the whisper-thin hairline */
  box-shadow: 0 32px 64px -24px rgba(0, 0, 0, 0.55);
}

.rc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.rc-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.rc-dot {
  width: 7px; height: 7px; border-radius: 50%;
  border: 1px solid var(--amber); /* ring only, never a fill */
}

.rc-verdict {
  font-size: 1.02rem;
  line-height: 1.5;
  font-weight: 500;
  padding-bottom: 18px;
  margin-bottom: 6px;
  border-bottom: 1px solid #e4e1da;
}

.rc-verdict-key {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 6px;
}

.rc-segments { list-style: none; }

.rc-segments li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #ece9e3;
  font-size: 0.9rem;
}

.seg-name { color: var(--ink); }
.seg-fit { color: var(--ink-soft); white-space: nowrap; font-size: 0.85rem; }
.seg-fit strong { color: var(--ink); font-weight: 700; }

.rc-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--amber); /* hairline accent, no fill */
}

.rc-metrics > div { display: flex; flex-direction: column; }
.m-val { font-size: 1.25rem; font-weight: 700; color: var(--navy); }
.m-key { font-size: 0.72rem; letter-spacing: 0.04em; color: var(--ink-soft); }

/* ---------- Facts band ---------- */
.facts {
  background: var(--ground);
  border-top: 1px solid var(--amber);
  border-bottom: 1px solid #e2ded6;
}

.facts-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.fact { display: flex; flex-direction: column; gap: 4px; }
.fact-val { font-size: 1.15rem; font-weight: 700; color: var(--navy); }
.fact-key { font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- Steps ---------- */
.steps { padding: 96px 0; background: var(--ground); }

.steps h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--navy);
  margin-bottom: 10px;
}

.steps-sub { color: var(--ink-soft); margin-bottom: 44px; max-width: 36rem; }

.step-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step {
  background: var(--card);
  border: 1px solid #e6e2d9;
  border-radius: 8px;
  padding: 30px 26px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--amber); /* hairline ring, never a fill */
  border-radius: 50%;
  color: var(--slate);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.step h3 { font-size: 1.05rem; font-weight: 600; color: var(--navy); margin-bottom: 8px; }
.step p { font-size: 0.93rem; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.footer {
  background: var(--charcoal);
  color: var(--paper-ink-soft);
  padding: 56px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.slogan { font-size: 1rem; color: var(--paper-ink); }
.fine { font-size: 0.82rem; color: #8b929c; }

/* ---------- Responsive: 390px ---------- */
@media (max-width: 720px) {
  .hero { padding: 56px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero h1 { font-size: 2.15rem; }

  .cta-row { flex-direction: column; }
  .cta-row .btn { width: 100%; text-align: center; }

  .report-card { max-width: 100%; }

  .facts-inner { grid-template-columns: 1fr 1fr; gap: 28px 20px; }

  .steps { padding: 64px 0; }
  .step-list { grid-template-columns: 1fr; }

  .nav-inner { padding-top: 14px; padding-bottom: 14px; }
}