/* SoloClientStack v2 — Dark Editorial Design System */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Mono:wght@400;500&family=Syne:wght@400;500;600;700;800&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:        #0C0C0A;
  --surface:   #141410;
  --card:      #1A1A15;
  --border:    #2A2A22;
  --border-lt: #333328;
  --amber:     #D4863A;
  --amber-lt:  #E8A55A;
  --amber-dim: #D4863A33;
  --cream:     #F0EBE0;
  --text:      #D8D3C8;
  --muted:     #7A7568;
  --dim:       #3A3830;
  --green:     #4CAF7D;
  --green-dim: #4CAF7D22;
  --red:       #C0392B;
  --radius:    14px;
  --radius-sm: 8px;
  --max:       1100px;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono:  'DM Mono', 'Courier New', monospace;
  --font-sans:  'Syne', system-ui, sans-serif;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-amber {
  0%, 100% { box-shadow: 0 0 0 0 var(--amber-dim); }
  50%       { box-shadow: 0 0 0 8px transparent; }
}
@keyframes flowDown {
  0%   { opacity: 0; transform: translateY(-6px); }
  100% { opacity: 1; transform: translateY(0); }
}
.anim-1 { animation: fadeUp .6s ease both; }
.anim-2 { animation: fadeUp .6s .1s ease both; }
.anim-3 { animation: fadeUp .6s .2s ease both; }
.anim-4 { animation: fadeUp .6s .3s ease both; }
.anim-5 { animation: fadeUp .6s .4s ease both; }

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6vw; height: 64px;
  background: #0C0C0Aee;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.logo {
  font-family: var(--font-sans); font-weight: 800; font-size: 1.05rem;
  letter-spacing: -.01em; color: var(--cream);
  display: flex; align-items: center; gap: 8px;
}
.logo-dot {
  width: 8px; height: 8px; background: var(--amber);
  border-radius: 50%; animation: pulse-amber 2.5s infinite;
}
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  font-size: .85rem; font-weight: 600; color: var(--muted);
  padding: 6px 12px; border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
}
.site-nav a:hover { color: var(--cream); background: var(--card); }
.nav-cta { background: var(--amber) !important; color: var(--bg) !important; font-weight: 700 !important; margin-left: 8px; }
.nav-cta:hover { background: var(--amber-lt) !important; }

/* ── Hero ──────────────────────────────────────────────────── */
.hero { padding: 80px 6vw 60px; max-width: var(--max); margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .75rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--amber); margin-bottom: 20px;
}
.eyebrow::before { content: ''; display: block; width: 20px; height: 1px; background: var(--amber); }
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  line-height: 1; letter-spacing: -.02em; color: var(--cream);
  margin-bottom: 12px; max-width: 860px;
}
.hero h1 em { font-style: italic; color: var(--amber); }
.hero-outcomes {
  display: flex; gap: 24px; flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-outcome {
  display: flex; align-items: center; gap: 8px;
  font-size: 1rem; font-weight: 600; color: var(--text);
}
.hero-outcome::before { content: '✓'; color: var(--green); font-weight: 700; }
.hero-lede {
  font-size: 1rem; color: var(--muted);
  max-width: 560px; line-height: 1.65; margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-size: .9rem; font-weight: 700;
  padding: 14px 22px; border-radius: 999px;
  transition: all .2s; cursor: pointer; border: none;
}
.btn-primary { background: var(--amber); color: var(--bg); }
.btn-primary:hover { background: var(--amber-lt); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border-lt); }
.btn-secondary:hover { border-color: var(--amber); color: var(--amber); }

/* ── OS Flow Diagram ───────────────────────────────────────── */
.os-flow {
  max-width: var(--max); margin: 0 auto;
  padding: 0 6vw 64px;
}
.os-flow-label {
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 20px;
}
.flow-track {
  display: flex; align-items: center; gap: 0;
  overflow-x: auto; padding-bottom: 8px;
}
.flow-node {
  display: flex; flex-direction: column; align-items: center;
  flex-shrink: 0; min-width: 110px;
}
.flow-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px;
  text-align: center; width: 100%;
  transition: border-color .25s;
}
.flow-box:hover { border-color: var(--amber); }
.flow-step-num {
  font-family: var(--font-mono); font-size: .62rem; color: var(--amber);
  margin-bottom: 4px; display: block;
}
.flow-step-name {
  font-size: .8rem; font-weight: 700; color: var(--cream);
  display: block; margin-bottom: 3px;
}
.flow-step-tool {
  font-family: var(--font-mono); font-size: .65rem; color: var(--muted);
  display: block;
}
.flow-arrow {
  flex-shrink: 0; color: var(--dim); font-size: 1.1rem;
  padding: 0 6px; margin-top: -16px;
}

/* ── Stat bar ──────────────────────────────────────────────── */
.stat-bar {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--surface); padding: 20px 6vw;
  display: flex; gap: 48px; flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-value { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 500; color: var(--amber); }
.stat-label { font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

/* ── Proof strip ───────────────────────────────────────────── */
.proof-strip {
  background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 24px 6vw;
  display: flex; gap: 0; flex-wrap: wrap;
  justify-content: space-between;
  max-width: 100%;
}
.proof-item {
  display: flex; flex-direction: column; align-items: center;
  padding: 0 24px; flex: 1; min-width: 120px;
  border-right: 1px solid var(--border);
}
.proof-item:last-child { border-right: none; }
.proof-num { font-family: var(--font-mono); font-size: 1.5rem; color: var(--amber); font-weight: 500; }
.proof-desc { font-size: .72rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); margin-top: 2px; text-align: center; }

/* ── Section ───────────────────────────────────────────────── */
.section { max-width: var(--max); margin: 0 auto; padding: 72px 6vw; }
.section-label {
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--amber); margin-bottom: 16px;
}
.section h2 {
  font-family: var(--font-serif); font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  line-height: 1.1; color: var(--cream); margin-bottom: 14px;
}
.section-sub { font-size: 1rem; color: var(--muted); max-width: 560px; margin-bottom: 40px; line-height: 1.65; }
hr.divider { border: none; border-top: 1px solid var(--border); margin: 0 6vw; }

/* ── Inline disclosure ─────────────────────────────────────── */
.inline-disclosure {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: .7rem; color: var(--muted);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 10px; margin-bottom: 32px;
}
.inline-disclosure a { color: var(--amber); border-bottom: 1px dashed var(--amber-dim); }

/* ── Cards ─────────────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color .25s, transform .25s;
}
.card:hover { border-color: var(--border-lt); transform: translateY(-2px); }
.card-num { font-family: var(--font-mono); font-size: .72rem; color: var(--amber); margin-bottom: 14px; }
.card h3 { font-family: var(--font-serif); font-size: 1.25rem; color: var(--cream); margin-bottom: 10px; line-height: 1.2; }
.card p { font-size: .88rem; color: var(--muted); line-height: 1.6; }
.card-icon { width: 40px; height: 40px; background: var(--amber-dim); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; margin-bottom: 16px; }

/* ── Stack table ───────────────────────────────────────────── */
.stack-table { width: 100%; border-collapse: collapse; }
.stack-table th {
  font-family: var(--font-mono); font-size: .7rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
  padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border);
}
.stack-table td { padding: 16px; border-bottom: 1px solid var(--border); font-size: .9rem; vertical-align: top; }
.stack-table tr:last-child td { border-bottom: none; }
.stack-table tr:hover td { background: var(--surface); }
.tool-name { font-weight: 700; color: var(--cream); }
.tool-role { color: var(--muted); font-size: .82rem; margin-top: 2px; }
.badge {
  display: inline-block; font-family: var(--font-mono);
  font-size: .68rem; font-weight: 500; padding: 3px 8px;
  border-radius: 4px; letter-spacing: .04em;
}
.badge-tier1 { background: var(--amber-dim); color: var(--amber); }
.badge-tier2 { background: var(--dim); color: var(--muted); }
.badge-free  { background: var(--green-dim); color: var(--green); }
.aff-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .82rem; color: var(--amber);
  border-bottom: 1px dashed var(--amber-dim); transition: border-color .2s;
}
.aff-link:hover { border-color: var(--amber); }

/* ── Workflow steps ────────────────────────────────────────── */
.workflow { display: flex; flex-direction: column; }
.workflow-step {
  display: grid; grid-template-columns: 48px 1fr; gap: 24px;
  padding: 28px 0; border-bottom: 1px solid var(--border);
}
.workflow-step:last-child { border-bottom: none; }
.step-num { font-family: var(--font-mono); font-size: .72rem; color: var(--amber); padding-top: 4px; }
.step-content h4 { font-size: 1rem; font-weight: 700; color: var(--cream); margin-bottom: 6px; }
.step-content p { font-size: .88rem; color: var(--muted); line-height: 1.6; }
.step-tools { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.tool-pill {
  font-family: var(--font-mono); font-size: .72rem;
  padding: 4px 10px; background: var(--card);
  border: 1px solid var(--border); border-radius: 999px; color: var(--muted);
}

/* ── ROI Calculator ────────────────────────────────────────── */
.roi-calculator {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.roi-calc-header {
  background: var(--amber-dim); border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex; align-items: center; gap: 10px;
}
.roi-calc-header h3 {
  font-family: var(--font-mono); font-size: .8rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase; color: var(--amber);
}
.roi-calc-body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.roi-inputs { padding: 28px; border-right: 1px solid var(--border); }
.roi-outputs { padding: 28px; background: var(--card); }
.roi-input-group { margin-bottom: 24px; }
.roi-input-group label {
  display: block; font-family: var(--font-mono); font-size: .72rem;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin-bottom: 10px;
}
.roi-slider-row { display: flex; align-items: center; gap: 12px; }
.roi-slider {
  flex: 1; -webkit-appearance: none; appearance: none;
  height: 4px; background: var(--border); border-radius: 2px; outline: none;
}
.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px;
  border-radius: 50%; background: var(--amber); cursor: pointer;
  box-shadow: 0 0 0 3px var(--amber-dim);
}
.roi-slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; border: none;
  background: var(--amber); cursor: pointer;
}
.roi-val {
  font-family: var(--font-mono); font-size: 1rem;
  font-weight: 500; color: var(--cream);
  min-width: 70px; text-align: right;
}
.roi-output-grid { display: flex; flex-direction: column; gap: 16px; }
.roi-output-item { display: flex; flex-direction: column; gap: 3px; }
.roi-output-label { font-family: var(--font-mono); font-size: .65rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.roi-output-value { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 500; color: var(--cream); transition: color .3s; }
.roi-output-value.positive { color: var(--green); }
.roi-multiple { font-size: 2rem !important; color: var(--amber) !important; }
.roi-cta-row { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }
.roi-cta-row p { font-size: .8rem; color: var(--muted); margin-bottom: 12px; }

/* ── Static ROI box ────────────────────────────────────────── */
.roi-box {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--amber); border-radius: var(--radius);
  padding: 28px 32px; margin: 40px 0;
}
.roi-box h4 {
  font-family: var(--font-mono); font-size: .72rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--amber); margin-bottom: 12px;
}
.roi-calc-static { display: flex; gap: 32px; flex-wrap: wrap; align-items: center; }
.roi-item { display: flex; flex-direction: column; gap: 2px; }
.roi-num { font-family: var(--font-mono); font-size: 1.8rem; font-weight: 500; color: var(--cream); }
.roi-desc { font-size: .78rem; color: var(--muted); }
.roi-equals { font-size: 1.4rem; color: var(--dim); }

/* ── Skip box ──────────────────────────────────────────────── */
.skip-box {
  background: #C0392B11; border: 1px solid #C0392B33;
  border-radius: var(--radius); padding: 24px 28px; margin: 32px 0;
}
.skip-box h4 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--red); margin-bottom: 10px; }
.skip-box p { font-size: .9rem; color: var(--muted); }

/* ── Lead magnet ───────────────────────────────────────────── */
.lead-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 56px 6vw;
  text-align: center; position: relative; overflow: hidden;
}
.lead-box::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--amber-dim) 0%, transparent 70%);
  pointer-events: none;
}
.lead-box h2 { font-family: var(--font-serif); font-size: clamp(1.8rem, 3vw, 2.4rem); color: var(--cream); margin-bottom: 10px; }
.lead-box p { color: var(--muted); margin-bottom: 28px; font-size: .95rem; }
.lead-contents {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin-bottom: 28px;
}
.lead-item {
  display: flex; align-items: center; gap: 6px;
  font-size: .82rem; color: var(--text);
  background: var(--card); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 12px;
}
.lead-item::before { content: '✓'; color: var(--green); font-weight: 700; }
.lead-form { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; max-width: 480px; margin: 0 auto; }
.lead-form input {
  flex: 1; min-width: 220px; padding: 14px 18px;
  background: var(--card); border: 1px solid var(--border-lt);
  border-radius: 999px; color: var(--cream);
  font-family: var(--font-sans); font-size: .9rem; outline: none;
  transition: border-color .2s;
}
.lead-form input:focus { border-color: var(--amber); }
.lead-form input::placeholder { color: var(--muted); }
.lead-note { font-size: .76rem; color: var(--muted); margin-top: 12px; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--border); padding: 48px 6vw 32px; max-width: var(--max); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { font-size: .85rem; color: var(--muted); margin-top: 12px; max-width: 280px; line-height: 1.65; }
.footer-col h5 {
  font-family: var(--font-mono); font-size: .7rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px;
}
.footer-col a { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--amber); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; padding-top: 24px;
  border-top: 1px solid var(--border); font-size: .78rem; color: var(--muted);
}
.footer-bottom a { color: var(--muted); transition: color .2s; }
.footer-bottom a:hover { color: var(--amber); }

/* ── Page header ───────────────────────────────────────────── */
.page-hero { padding: 80px 6vw 56px; max-width: var(--max); margin: 0 auto; border-bottom: 1px solid var(--border); }
.page-hero h1 { font-family: var(--font-serif); font-size: clamp(2rem, 5vw, 3.8rem); color: var(--cream); line-height: 1.05; margin-bottom: 14px; }
.page-hero p { font-size: 1rem; color: var(--muted); max-width: 580px; }

/* ── Prose ─────────────────────────────────────────────────── */
.prose { max-width: 720px; margin: 0 auto; padding: 60px 6vw; font-size: .95rem; line-height: 1.75; color: var(--text); }
.prose h2 { font-family: var(--font-serif); font-size: 1.6rem; color: var(--cream); margin: 48px 0 16px; }
.prose h3 { font-size: 1rem; font-weight: 700; color: var(--cream); margin: 28px 0 8px; }
.prose p { margin-bottom: 16px; color: var(--muted); }
.prose ul { padding-left: 20px; margin-bottom: 16px; }
.prose li { color: var(--muted); margin-bottom: 6px; }
.prose a { color: var(--amber); border-bottom: 1px dashed var(--amber-dim); }
.prose strong { color: var(--text); }
.prose .updated { font-family: var(--font-mono); font-size: .75rem; color: var(--muted); margin-bottom: 40px; }

/* ── Utilities ─────────────────────────────────────────────── */
.text-amber { color: var(--amber); }
.text-cream { color: var(--cream); }
.text-muted { color: var(--muted); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .roi-calc-body { grid-template-columns: 1fr; }
  .roi-inputs { border-right: none; border-bottom: 1px solid var(--border); }
  .proof-strip { gap: 16px; justify-content: flex-start; }
  .proof-item { border-right: none; align-items: flex-start; min-width: 140px; }
}
@media (max-width: 640px) {
  .site-header { padding: 0 5vw; }
  .site-nav .nav-label { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stat-bar { gap: 24px; }
  .stack-table { display: block; overflow-x: auto; }
  .flow-track { gap: 0; }
  .hero-outcomes { flex-direction: column; gap: 10px; }
}

/* ── v3 additions ──────────────────────────────────────────── */

/* ROI preset buttons */
.roi-presets {
  display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap;
}
.preset-btn {
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  padding: 7px 14px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: transparent;
  color: var(--muted); transition: all .2s; letter-spacing: .04em;
}
.preset-btn:hover { border-color: var(--amber); color: var(--amber); }
.preset-btn.active { background: var(--amber); color: var(--bg); border-color: var(--amber); }
.preset-label {
  font-family: var(--font-mono); font-size: .68rem;
  color: var(--muted); margin-bottom: 10px; display: block;
}

/* OS Stack cards */
.stack-cards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 32px;
}
.stack-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 16px;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color .2s, transform .2s;
}
.stack-card:hover { border-color: var(--border-lt); transform: translateY(-2px); }
.stack-card-layer {
  font-family: var(--font-mono); font-size: .62rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--amber);
}
.stack-card-tools {
  flex: 1;
}
.stack-card-tool-name {
  font-size: .9rem; font-weight: 700; color: var(--cream);
  display: block; line-height: 1.3;
}
.stack-card-tool-alt {
  font-size: .75rem; color: var(--muted);
  display: block; margin-top: 2px;
}
.stack-card-cost {
  font-family: var(--font-mono); font-size: .8rem; color: var(--green);
  padding-top: 10px; border-top: 1px solid var(--border);
}
.stack-total-card {
  background: var(--amber-dim); border: 1px solid var(--amber);
  border-radius: var(--radius); padding: 20px 16px;
  display: flex; flex-direction: column; gap: 12px;
  grid-column: span 2;
  flex-direction: row; align-items: center; justify-content: space-between;
}
.stack-total-left { display: flex; flex-direction: column; gap: 4px; }
.stack-total-label {
  font-family: var(--font-mono); font-size: .68rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--amber);
}
.stack-total-price {
  font-family: var(--font-mono); font-size: 2rem;
  font-weight: 500; color: var(--cream);
}
.stack-total-desc { font-size: .8rem; color: var(--muted); }

/* Tool layer grid */
.tool-layer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 32px;
}
.tool-layer-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  transition: border-color .2s;
}
.tool-layer-card:hover { border-color: var(--border-lt); }
.tool-layer-category {
  font-family: var(--font-mono); font-size: .65rem;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--amber); margin-bottom: 12px; display: block;
}
.tool-layer-name {
  font-size: 1rem; font-weight: 700; color: var(--cream);
  margin-bottom: 4px;
}
.tool-layer-alt { font-size: .8rem; color: var(--muted); margin-bottom: 12px; }
.tool-layer-use { font-size: .82rem; color: var(--muted); line-height: 1.5; margin-bottom: 14px; }
.tool-layer-meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px; border-top: 1px solid var(--border);
}
.tool-layer-price { font-family: var(--font-mono); font-size: .78rem; color: var(--green); }
.tool-layer-link {
  font-size: .78rem; color: var(--amber);
  border-bottom: 1px dashed var(--amber-dim);
  transition: border-color .2s;
}
.tool-layer-link:hover { border-color: var(--amber); }

/* Lead magnet v3 */
.lead-box-v3 {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  position: relative;
}
.lead-box-v3::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--amber-dim) 0%, transparent 65%);
  pointer-events: none;
}
.lead-box-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  position: relative; z-index: 1;
}
.lead-box-left { padding: 48px 40px; border-right: 1px solid var(--border); }
.lead-box-right { padding: 48px 40px; }
.lead-box-v3 h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  color: var(--cream); margin-bottom: 10px; line-height: 1.1;
}
.lead-box-v3 .lead-sub { font-size: .9rem; color: var(--muted); margin-bottom: 24px; }
.lead-checklist { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.lead-checklist li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .88rem; color: var(--text); line-height: 1.4;
}
.lead-checklist li::before {
  content: '✓'; color: var(--green); font-weight: 700;
  flex-shrink: 0; margin-top: 1px;
}
.lead-form-v3 { display: flex; flex-direction: column; gap: 12px; }
.lead-form-v3 input {
  width: 100%; padding: 14px 18px;
  background: var(--card); border: 1px solid var(--border-lt);
  border-radius: var(--radius-sm); color: var(--cream);
  font-family: var(--font-sans); font-size: .9rem; outline: none;
  transition: border-color .2s;
}
.lead-form-v3 input:focus { border-color: var(--amber); }
.lead-form-v3 input::placeholder { color: var(--muted); }
.lead-form-v3 .btn { width: 100%; justify-content: center; border-radius: var(--radius-sm); }
.lead-form-note { font-size: .75rem; color: var(--muted); margin-top: 4px; text-align: center; }

@media (max-width: 900px) {
  .stack-cards-grid { grid-template-columns: repeat(3, 1fr); }
  .stack-total-card { grid-column: span 3; }
  .tool-layer-grid { grid-template-columns: 1fr 1fr; }
  .lead-box-inner { grid-template-columns: 1fr; }
  .lead-box-left { border-right: none; border-bottom: 1px solid var(--border); padding: 36px 28px; }
  .lead-box-right { padding: 36px 28px; }
}
@media (max-width: 640px) {
  .stack-cards-grid { grid-template-columns: 1fr 1fr; }
  .stack-total-card { grid-column: span 2; flex-direction: column; }
  .tool-layer-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════════
   PHASE 2 — Multi-Operator Platform Styles
   ══════════════════════════════════════════════════════════════════ */

/* ── OS Switcher ─────────────────────────────────────────────────── */
.os-switcher-section {
  max-width: var(--max); margin: 0 auto; padding: 72px 6vw;
}
.os-switcher-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 40px;
}
.os-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  display: flex; flex-direction: column; gap: 16px;
  transition: border-color .25s, transform .2s;
  position: relative; overflow: hidden;
}
.os-card:hover { border-color: var(--border-lt); transform: translateY(-2px); }
.os-card--active {
  border-color: var(--amber);
  background: linear-gradient(160deg, var(--card) 60%, var(--amber-dim));
}
.os-card--active::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--amber);
}
.os-card--soon { opacity: .45; pointer-events: none; }
.os-card-eyebrow {
  font-family: var(--font-mono); font-size: .65rem;
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--amber);
}
.os-card-title {
  font-family: var(--font-serif); font-size: 1.2rem;
  color: var(--cream); line-height: 1.15;
}
.os-card-items {
  list-style: none; display: flex; flex-direction: column; gap: 7px;
}
.os-card-items li {
  font-size: .78rem; color: var(--muted);
  padding-left: 14px; position: relative; line-height: 1.4;
}
.os-card-items li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--dim); font-size: .7rem;
}
.os-card--active .os-card-items li::before { color: var(--amber-lt); }
.os-card-footer {
  margin-top: auto; display: flex; flex-direction: column; gap: 10px;
}
.os-status-badge {
  font-family: var(--font-mono); font-size: .68rem;
  padding: 4px 10px; border-radius: 100px;
  display: inline-block; width: fit-content;
}
.os-status-live { background: var(--green-dim); color: var(--green); }
.os-status-new  { background: var(--amber-dim); color: var(--amber); }
.os-status-soon { background: var(--dim); color: var(--muted); }

/* ── Advisor OS page — stage cards ─────────────────────────────── */
.advisor-stages { display: flex; flex-direction: column; gap: 0; margin-top: 40px; }
.advisor-stage {
  display: grid; grid-template-columns: 200px 1fr 1fr;
  gap: 0; border: 1px solid var(--border);
  border-bottom: none; background: var(--card);
}
.advisor-stage:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.advisor-stage:last-child { border-bottom: 1px solid var(--border); border-radius: 0 0 var(--radius) var(--radius); }
.advisor-stage:hover { background: var(--surface); }
.advisor-stage-label {
  padding: 24px 20px;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
}
.advisor-stage-num {
  font-family: var(--font-mono); font-size: .65rem;
  color: var(--amber); letter-spacing: .1em;
}
.advisor-stage-name {
  font-family: var(--font-serif); font-size: 1rem;
  color: var(--cream); line-height: 1.2;
}
.advisor-stage-col {
  padding: 20px 22px;
  border-right: 1px solid var(--border);
  font-size: .82rem; line-height: 1.55;
}
.advisor-stage-col:last-child { border-right: none; }
.advisor-stage-col-head {
  font-family: var(--font-mono); font-size: .62rem;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted); margin-bottom: 8px;
}
.advisor-stage-col p { color: var(--muted); margin: 0; }
.advisor-stage-col .tool-pill { margin-top: 8px; }

/* ── Comparison callout (what AI does / human keeps) ────────────── */
.split-callout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  margin-top: 40px;
}
.split-callout-panel { padding: 36px 32px; }
.split-callout-panel:first-child {
  border-right: 1px solid var(--border);
  background: var(--surface);
}
.split-callout-panel:last-child { background: var(--card); }
.split-callout-panel h4 {
  font-family: var(--font-mono); font-size: .72rem;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--amber); margin-bottom: 20px;
}
.split-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.split-list li {
  font-size: .9rem; color: var(--text);
  display: flex; align-items: flex-start; gap: 10px;
}
.split-list li::before { content: '—'; color: var(--muted); flex-shrink: 0; }
.split-list--human li::before { content: '✦'; color: var(--amber); flex-shrink: 0; }

/* ── Playbooks grid ────────────────────────────────────────────── */
.playbook-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px; margin-top: 40px;
}
.playbook-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 22px;
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color .2s, transform .2s;
}
.playbook-card:hover { border-color: var(--border-lt); transform: translateY(-2px); }
.playbook-card--available { border-color: var(--amber-dim); }
.playbook-card-category {
  font-family: var(--font-mono); font-size: .65rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--amber);
}
.playbook-card-title {
  font-family: var(--font-serif); font-size: 1.1rem;
  color: var(--cream); line-height: 1.2;
}
.playbook-card-meta {
  display: flex; flex-direction: column; gap: 6px;
  padding-top: 14px; border-top: 1px solid var(--border);
}
.playbook-meta-row {
  display: flex; justify-content: space-between;
  font-size: .75rem;
}
.playbook-meta-row span:first-child { color: var(--muted); }
.playbook-meta-row span:last-child { color: var(--text); font-family: var(--font-mono); }

/* ── Experiments / Proof metrics ────────────────────────────────── */
.experiment-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; margin: 40px 0;
}
.experiment-metric {
  background: var(--card); padding: 28px 20px;
  display: flex; flex-direction: column; gap: 6px;
}
.experiment-metric-num {
  font-family: var(--font-mono); font-size: 1.8rem;
  color: var(--amber); font-weight: 500;
}
.experiment-metric-label {
  font-size: .72rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: .08em;
}
.experiment-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px; margin-top: 32px;
}
.experiment-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.experiment-card-tag {
  font-family: var(--font-mono); font-size: .65rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--muted);
}
.experiment-card-title {
  font-family: var(--font-serif); font-size: 1rem;
  color: var(--cream); line-height: 1.2;
}
.experiment-card-result {
  font-size: .82rem; color: var(--text); line-height: 1.5;
}
.experiment-card-stat {
  font-family: var(--font-mono); font-size: .85rem;
  color: var(--green); margin-top: auto; padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* ── Ecosystem footer block ─────────────────────────────────────── */
.ecosystem-block {
  max-width: var(--max); margin: 0 auto; padding: 64px 6vw;
  border-top: 1px solid var(--border);
}
.ecosystem-block-title {
  font-family: var(--font-mono); font-size: .7rem;
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--muted); margin-bottom: 32px;
}
.ecosystem-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.ecosystem-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 22px;
  display: flex; flex-direction: column; gap: 10px;
  text-decoration: none; transition: border-color .2s, transform .2s;
}
.ecosystem-card:hover { border-color: var(--amber); transform: translateY(-2px); }
.ecosystem-card--inactive { opacity: .4; pointer-events: none; }
.ecosystem-card-domain {
  font-family: var(--font-mono); font-size: .65rem;
  text-transform: uppercase; letter-spacing: .12em; color: var(--amber);
}
.ecosystem-card-name {
  font-family: var(--font-serif); font-size: 1.15rem;
  color: var(--cream); line-height: 1.2;
}
.ecosystem-card-desc { font-size: .82rem; color: var(--muted); line-height: 1.5; }
.ecosystem-card-cta {
  font-size: .78rem; color: var(--amber);
  margin-top: auto; font-weight: 600;
}

/* ── Advisor page hero ──────────────────────────────────────────── */
.advisor-vs-table {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 0; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  margin: 32px 0;
}
.advisor-vs-col { padding: 0; }
.advisor-vs-head {
  padding: 16px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono); font-size: .68rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--muted);
}
.advisor-vs-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.advisor-vs-col:not(:last-child) { border-right: 1px solid var(--border); }
.advisor-vs-col:nth-child(2) .advisor-vs-head { color: var(--amber); }
.advisor-vs-item { font-size: .82rem; color: var(--muted); line-height: 1.45; }
.advisor-vs-col:nth-child(3) .advisor-vs-item { color: var(--text); }

/* ── Responsive additions ───────────────────────────────────────── */
@media (max-width: 900px) {
  .os-switcher-grid { grid-template-columns: 1fr 1fr; }
  .advisor-stage { grid-template-columns: 1fr; }
  .advisor-stage-label { border-right: none; border-bottom: 1px solid var(--border); }
  .advisor-stage-col { border-right: none; border-bottom: 1px solid var(--border); }
  .advisor-stage-col:last-child { border-bottom: none; }
  .split-callout { grid-template-columns: 1fr; }
  .split-callout-panel:first-child { border-right: none; border-bottom: 1px solid var(--border); }
  .playbook-grid { grid-template-columns: 1fr 1fr; }
  .experiment-metrics { grid-template-columns: 1fr 1fr; }
  .experiment-grid { grid-template-columns: 1fr 1fr; }
  .ecosystem-grid { grid-template-columns: 1fr; }
  .advisor-vs-table { grid-template-columns: 1fr; }
  .advisor-vs-col:not(:last-child) { border-right: none; border-bottom: 1px solid var(--border); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 640px) {
  .os-switcher-grid { grid-template-columns: 1fr; }
  .playbook-grid { grid-template-columns: 1fr; }
  .experiment-metrics { grid-template-columns: 1fr 1fr; }
  .experiment-grid { grid-template-columns: 1fr; }
}