/* Breakeven Advisory — "Ledger Confidence" system per design-tokens.md.
   Layout archetypes distinct from projects 01-07: ledger stat strip, vertical
   session timeline, fit/not-fit rule table, mono numeric callouts, navy form band.
   Numbers are first-class visual content (IBM Plex Mono, tabular-nums). */
:root {
  --color-bg: #F7F7F5;
  --color-surface: #FFFFFF;
  --color-primary: #1B2A4A;
  --color-primary-dark: #101A30;
  --color-accent: #D2691E;
  --color-accent-text: #B4581A; /* darkened for text use; base accent reserved for large figures/rules */
  --color-accent-soft: #F5DFC9;
  --color-text: #1A1D24;
  --color-muted: #5A6072;
  --color-border: #D9DCE3;
  --radius: 4px;
  --font-head: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
  --max-width: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 27px;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
img { height: auto; }

h1, h2, h3 { font-family: var(--font-head); color: var(--color-primary); margin: 0 0 16px; }
h1 { font-size: 46px; line-height: 54px; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 32px; line-height: 40px; font-weight: 700; }
h3 { font-size: 19px; line-height: 26px; font-weight: 500; }

p { margin: 0 0 16px; }

.caption { font-size: 14px; line-height: 20px; color: var(--color-muted); }

.stat-mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 64px; }

section { padding: 88px 0; }
section + section { border-top: 1px solid var(--color-border); }

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  margin-bottom: 16px;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-block;
  background: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 16px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--color-primary);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

/* ---------- Header / logo ---------- */
.site-header { padding: 20px 0; border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }

.wordmark { display: inline-block; text-decoration: none; line-height: 1.2; }
.wordmark .wm-breakeven {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  color: var(--color-primary);
}
.wordmark .wm-advisory {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 15px;
  color: var(--color-muted);
  margin-left: 8px;
}
.wordmark .wm-underscore {
  display: block;
  width: 44px;
  height: 3px;
  background: var(--color-accent);
  margin-top: 3px;
}

/* Language toggle — mono ledger tag (Breakeven variant) */
.lang-toggle {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 7px 12px;
  text-decoration: none;
  box-shadow: inset 0 -3px 0 var(--color-accent-soft);
  transition: background 0.2s ease, color 0.2s ease;
}
.lang-toggle:hover { background: var(--color-primary); color: #FFFFFF; }

/* ---------- Hero: copy + small precise image, ledger stat strip below ---------- */
.hero { padding: 72px 0; }
.hero .container { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 64px; align-items: center; }
.hero .sub { font-size: 18px; line-height: 28px; color: var(--color-muted); max-width: 560px; }
.hero .cta-block { margin-top: 32px; }
.hero .trust-signal {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 22px;
  color: var(--color-muted);
}
.hero-visual {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 0 var(--color-border);
}

/* ---------- Value prop: stat ledger row + chart ---------- */
.value-props .lead { max-width: 780px; }
.value-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; margin-top: 24px; }
.stat-ledger { margin-top: 32px; border-top: 2px solid var(--color-primary); }
.stat-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.stat-row .figure {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 40px;
  line-height: 1;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.stat-row .label { font-size: 16px; color: var(--color-text); }
.value-visual { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }

/* ---------- Methodology: vertical session timeline ---------- */
.method { background: var(--color-surface); }
.method .sub-copy { max-width: 720px; color: var(--color-muted); }
.method-layout { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: start; margin-top: 48px; }
.session-timeline { position: relative; }
.session-timeline::before {
  content: "";
  position: absolute;
  left: 27px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--color-border);
}
.session {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 28px;
  padding: 0 0 40px;
}
.session:last-child { padding-bottom: 0; }
.session .s-badge {
  position: relative;
  z-index: 1;
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 17px;
  border-radius: var(--radius);
}
.session h3 { font-weight: 700; font-size: 21px; margin-bottom: 12px; }
.session .s-part { margin-bottom: 10px; font-size: 15.5px; line-height: 25px; }
.session .s-part strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  margin-bottom: 2px;
}
.session .s-part p { margin: 0; color: var(--color-muted); }
.method-visual { position: sticky; top: 24px; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }

/* ---------- Fit / not fit: rule table ---------- */
.fit-table { margin-top: 40px; border-top: 2px solid var(--color-primary); }
.fit-row {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
  font-size: 16.5px;
  line-height: 26px;
}
.fit-row .mark { font-family: var(--font-mono); font-weight: 600; font-size: 18px; }
.fit-row.yes .mark { color: #2E6B35; }
.fit-row.no .mark { color: var(--color-accent-text); }
.fit-heading {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 28px 0 10px;
}

/* ---------- Proof: numbered cases with mono callouts ---------- */
.proof { background: var(--color-surface); }
.proof h2 .caption { display: block; margin-top: 6px; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.case-card {
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius);
  background: var(--color-bg);
  padding: 28px;
}
.case-card .case-figure {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 34px;
  line-height: 1.1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  display: block;
  margin-bottom: 16px;
}
.case-card p { margin: 0; font-size: 15px; line-height: 24px; color: var(--color-muted); }
.proof-visual { margin-top: 40px; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }

/* ---------- About ---------- */
.about .container { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 64px; align-items: center; }
.about-visual { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.capacity-note {
  margin-top: 24px;
  padding: 18px 22px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: var(--radius);
  font-size: 14.5px;
  line-height: 23px;
}

/* ---------- Testimonials: square avatars, ruled columns ---------- */
.testimonials h2 em { font-style: normal; font-family: var(--font-body); font-weight: 400; font-size: 15px; color: var(--color-muted); display: block; margin-top: 6px; }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.testi-item { border-top: 2px solid var(--color-primary); padding-top: 24px; }
.testi-item .avatar { width: 48px; height: 48px; margin-bottom: 16px; }
.testi-item blockquote { margin: 0 0 14px; font-size: 16px; line-height: 26px; }
.testi-item cite { font-style: normal; font-size: 14px; color: var(--color-muted); }

/* ---------- CTA band: navy pre-qualification form ---------- */
.cta-section { padding-top: 0; border-top: none; }
.cta-band {
  background: var(--color-primary);
  border-radius: var(--radius);
  padding: 64px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.cta-band h2 { color: #FFFFFF; }
.cta-band p { color: rgba(255, 255, 255, 0.82); }
.prequal-form {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 32px;
}
.prequal-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.prequal-form .field { margin-bottom: 16px; }
.prequal-form label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}
.prequal-form input, .prequal-form select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.prequal-form input:focus, .prequal-form select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 0;
  border-color: var(--color-primary);
}
.prequal-form .btn-primary { width: 100%; text-align: center; margin-top: 8px; }
.form-confirm {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--color-accent-soft);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  font-size: 15px;
}
.form-confirm.visible { display: block; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 780px; margin-top: 48px; }
.faq-list details { border-top: 1px solid var(--color-border); }
.faq-list details:last-child { border-bottom: 1px solid var(--color-border); }
.faq-list summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 18px;
  color: var(--color-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 0;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--color-accent-text);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin: 0; padding: 0 40px 22px 0; color: var(--color-muted); }
.faq-list .faq-answer {
  overflow: hidden;
  transition: height 0.4s cubic-bezier(0.33, 1, 0.68, 1),
              opacity 0.3s ease,
              transform 0.4s cubic-bezier(0.33, 1, 0.68, 1);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.82);
  padding: 56px 0 44px;
  font-size: 15px;
  line-height: 25px;
}
.site-footer .wordmark .wm-breakeven { color: #FFFFFF; }
.site-footer .wordmark .wm-advisory { color: rgba(255, 255, 255, 0.6); }
.site-footer a { color: #FFFFFF; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-grid h3 { color: #FFFFFF; font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; }
.site-footer .legal { border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 24px; font-size: 13px; line-height: 20px; color: rgba(255, 255, 255, 0.65); }
.site-footer .lang-toggle { color: #FFFFFF; border-color: rgba(255, 255, 255, 0.55); box-shadow: inset 0 -3px 0 rgba(210, 105, 30, 0.55); margin-top: 16px; }
.site-footer .lang-toggle:hover { background: rgba(255, 255, 255, 0.12); color: #FFFFFF; }

/* ---------- Hover micro-interactions (restrained) ---------- */
.case-card { transition: transform 0.25s ease, border-color 0.25s ease; }
.case-card:hover { transform: translateY(-3px); border-top-color: var(--color-primary); }
.hero-visual img, .value-visual img, .about-visual img, .method-visual img, .proof-visual img { transition: transform 0.5s ease; }
.hero-visual:hover img, .value-visual:hover img, .about-visual:hover img, .method-visual:hover img, .proof-visual:hover img { transform: scale(1.015); }

/* ---------- Scroll reveal ---------- */
html.anim .reveal { opacity: 0; transform: translateY(20px); }
html.anim .reveal.revealed {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease var(--rd, 0ms),
              transform 0.6s cubic-bezier(0.33, 1, 0.68, 1) var(--rd, 0ms);
}
@media (prefers-reduced-motion: reduce) {
  .case-card, .hero-visual img, .value-visual img, .about-visual img,
  .method-visual img, .proof-visual img, .btn-primary { transition: none; transform: none; }
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  body { font-size: 16px; line-height: 26px; }
  h1 { font-size: 33px; line-height: 41px; }
  h2 { font-size: 26px; line-height: 34px; }
  .container { padding: 0 24px; }
  section { padding: 48px 0; }
  .hero { padding: 40px 0 48px; }
  .hero .container, .value-layout, .method-layout, .about .container { grid-template-columns: 1fr; gap: 36px; }
  .case-grid, .testi-grid { grid-template-columns: 1fr; }
  .method-visual { position: static; }
  .stat-row .figure { font-size: 30px; }
  .cta-band { grid-template-columns: 1fr; padding: 36px 24px; gap: 32px; }
  .prequal-form .row { grid-template-columns: 1fr; }
  .session { grid-template-columns: 44px 1fr; gap: 18px; }
  .session .s-badge { width: 44px; height: 44px; }
  .session-timeline::before { left: 21px; }
}