:root{
  --bg:#0b0f14;
  --bg2:#070b10;
  --panel:rgba(255,255,255,.035);
  --panel2:rgba(255,255,255,.02);
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.16);
  --text:#eaf0f8;
  --muted:#b2c0d3;
  --radius:14px;
  --radius2:18px;
  --shadow:0 22px 55px rgba(0,0,0,.45);
  --max:1120px;
}

*{box-sizing:border-box;}
html,body{height:100%;}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* BLACK/DARK BACKGROUND ONLY (no glow) */
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 70%, #06080c 100%);

  color: var(--text);
  line-height: 1.6;
}

a{color:inherit; text-decoration:none;}
a:hover{ text-decoration: underline; text-underline-offset: 4px; }

.container{width:min(100% - 2rem, var(--max)); margin-inline:auto;}

.skip-link{
  position:absolute; left:-999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px;
  width:auto; height:auto;
  padding:10px 12px;
  background:rgba(0,0,0,.75);
  border:1px solid var(--line);
  border-radius:12px;
  z-index:999;
}

/* Header */
.header{
  position:sticky; top:0; z-index:50;
  background: rgba(7,11,16,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}

/* Brand */
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  white-space:nowrap;
}

/* make SVG logo more legible */
.brand-logo{
  height: 40px;
  width: auto;
  max-width: 220px;
  display: block;
}

@media (max-width: 720px){
  .brand-logo{
    height: 30px;
    max-width: 170px;
  }
}

.nav{display:flex; align-items:center; gap: 14px; flex-wrap:wrap;}
.nav a{
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  transition: background .12s ease, color .12s ease, transform .12s ease;
}
.nav a:hover{
  background: rgba(255,255,255,.05);
  color: var(--text);
  transform: translateY(-1px);
}

/* Typography */
h1{
  font-size: clamp(2.2rem, 3.3vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: .6rem 0 .8rem;
}
h2{
  font-size: clamp(1.65rem, 2.3vw, 2.05rem);
  letter-spacing: -.01em;
  margin: 0 0 .55rem;
  line-height:1.18;
}
h3{ font-size: 1.06rem; margin: 0 0 .4rem; letter-spacing: .01em; }
p{margin: 0.7rem 0; color: var(--text);}
.muted{color: var(--muted);}
.tight{max-width: 72ch;}

/* Sections */
.section{
  padding: 84px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  background: transparent; /* keep clean */
}
.section.alt{ background: transparent; }
.section-head{ margin-bottom: 18px; }
.anchor{scroll-margin-top: 96px;}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line2);
  background: rgba(255,255,255,.03);
  color: var(--text);
  font-weight: 680;
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
  cursor:pointer;
  white-space:nowrap;
}
.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.26);
  background: rgba(255,255,255,.06);
  text-decoration:none;
}
.btn.primary{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.18);
}
.btn.secondary{
  background: rgba(255,255,255,.03);
  border-color: rgba(255,255,255,.16);
}
.btn.ghost{background: transparent;}
.btn.block{width:100%;}
.btn.small{padding:10px 12px; font-weight:700;}

/* Purchase card */
.purchase-card .card-title{
  text-align:center;
}

.buy-links{
  display:grid;
  gap: 12px;
  margin-top: 14px;
}

/* Cards */
.card{
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 10px 32px rgba(0,0,0,.22);
}
.card.callout{
  background: rgba(255,255,255,.03);
  border-color: rgba(255,255,255,.14);
}
.divider{height:1px; background: var(--line); margin: 14px 0;}

/* Hero */
.hero{ padding: 76px 0 56px; border-top:none; }
.hero-grid{
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 34px;
  align-items:start;
}
.hero-right{
  width: 100%;
  justify-self:end;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap: 16px;
}
.cta-row{ display:flex; gap: 12px; flex-wrap:wrap; margin: 18px 0 14px; }

/* Review wrapper */
.hero-review-left{
  max-width: 680px;
  margin: 14px 0 14px;
}

/* Cover: never crop */
.cover{ width:100%; max-width:420px; background:transparent; border:none; box-shadow:none; }
.cover img{
  display:block;
  width:100%;
  height:auto !important;
  object-fit: contain !important;
  border-radius: var(--radius2);
  background: transparent;
}

/* Reviewer rotator */
.kpi{
  margin-top: 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.review-rotator{
  position: relative;
  margin-top: 0;
  min-height: 140px;
}
.review-slide{
  position:absolute;
  inset:0;
  margin:0;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.016);
  opacity: 0;
  transform: translateY(2px);
  transition: opacity .65s ease, transform .65s ease;
  pointer-events:none;
}
.review-slide p{
  margin:0;
  color: rgba(234,240,248,.92);
  font-size: 13px;
  line-height: 1.6;
}
.review-slide.is-active{
  opacity:1;
  transform: translateY(0);
  pointer-events:auto;
}
.review-mini-meta{
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}
.review-mini-actions{
  margin-top: 12px;
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}

/* Layout grids */
.two-col{
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 22px;
  align-items:start;
  margin-top: 10px;
}

/* Operational Reality ONLY: collapse the two-col layout into one column */
.two-col.reality-cols{
  grid-template-columns: 1fr;
}

.signal-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.signal{
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.016);
  padding: 16px;
}

/* “What this book is” full-width inside the signal grid */
.signal-grid .signal.signal-book{
  grid-column: 1 / -1;
}

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 14px;
}
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 14px;
}

/* Testimonials */
.cards .card{ min-height: 210px; }
.quote-card{ position:relative; }
.quote-mark{
  position:absolute;
  top: 10px;
  right: 14px;
  font-size: 34px;
  opacity: .18;
}
.quote{ margin: 0; line-height: 1.7; font-size: 14px; color: rgba(234,240,248,.92); }
.pending .quote em{ font-style: normal; }

/* “Coming soon” pill */
.quote-meta{
  margin-top: 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  flex-wrap:nowrap;
}
.quote-meta > div{ min-width:0; }
.quote-name{ font-weight: 850; }
.quote-title{ color: var(--muted); font-size: 12px; margin-top: 2px; }
.pending{ opacity: .95; }

.status{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width: 112px;
  white-space: nowrap;
  flex: 0 0 auto;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(234,240,248,.88);
  background: rgba(255,255,255,.04);
}

/* Author */
.author-card{
  display:grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 26px;
  align-items:center;
}
.author-headshot-wrap{
  width:100%;
}
.author-headshot{
  display:block;
  width:100%;
  max-width: 220px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 16px 36px rgba(0,0,0,.28);
}
.author-copy p:first-child{ margin-top: 0; }
.author-copy p:last-child{ margin-bottom: 0; }

/* Forms */
.form{ display:grid; gap: 10px; margin-top: 12px; }
label{ color: var(--muted); font-size: .95rem; }
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline:none;
}
input:focus, textarea:focus{ border-color: rgba(255,255,255,.20); }

.notice{
  display:none;
  margin-top: 12px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.03);
}

/* Contact form: inline success/error (no redirect) overrides */
#contactForm .notice{
  display:none; /* JS toggles this */
  margin-top:12px;
  padding:14px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);
}

#contactForm .notice strong{
  display:block;
  font-weight:700;
  margin-bottom:6px;
}

#contactForm .notice a{
  text-decoration:underline;
  text-underline-offset:3px;
}

#contactForm button[disabled]{
  opacity:.75;
  cursor:not-allowed;
}

/* Exec brief segment checkboxes */
.seg-wrap{
  margin-top: 6px;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.016);
  display:grid;
  gap: 10px;
}
.seg-title{
  font-weight: 750;
  color: rgba(234,240,248,.92);
  font-size: 13px;
}
.seg-opt{
  display:flex;
  align-items:center;
  gap: 10px;
  color: rgba(234,240,248,.92);
  font-size: 14px;
}
.seg-opt input{
  width: 16px;
  height: 16px;
  accent-color: rgba(255,255,255,.75);
}
.seg-error{
  color: rgba(255,160,160,.95);
  font-size: 12px;
  min-height: 14px;
}

/* Footer */
.footer{
  padding: 44px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  color: var(--muted);
  background: rgba(7,11,16,.88);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  gap: 14px;
  flex-wrap:wrap;
}

/* Noscript */
.noscript{
  position: fixed;
  left: 16px;
  bottom: 16px;
  right: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(0,0,0,.75);
  padding: 10px 12px;
  color: var(--muted);
  z-index: 100;
}

/* Responsive */
@media (max-width: 980px){
  .hero-right{ justify-self:center; align-items:center; }
  .hero-grid{ grid-template-columns: 1fr; }
  .two-col{ grid-template-columns: 1fr; }
  .signal-grid{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .author-card{ grid-template-columns: 1fr; }
  .author-headshot{
    max-width: 260px;
    margin: 0 auto;
  }

  .brand-logo{ height: 36px; width: auto; max-width: 200px; }
  .hero-review-left{ max-width: 100%; }
}

@media (max-width: 768px){
  .section{
    padding: 68px 0;
  }

  .container{
    width:min(100% - 1.25rem, var(--max));
  }

  .hero{
    padding: 56px 0 40px;
  }

  .hero-review-left{
    margin: 12px 0 10px;
  }

  .kpi{
    padding: 14px;
  }

  .review-rotator{
    position: static;
    min-height: 0;
    height: auto;
    overflow: visible;
  }

  .review-slide{
    display: none;
    position: static;
    inset: auto;
    opacity: 1;
    transform: none;
    pointer-events: none;
    height: auto;
    max-height: none;
    overflow: visible;
    margin: 0;
    padding: 14px;
  }

  .review-slide.is-active{
    display: block;
    pointer-events: auto;
  }

  .review-slide p{
    font-size: 15px;
    line-height: 1.65;
    overflow: visible;
    word-break: normal;
  }

  .review-mini-meta{
    display: block;
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.45;
  }

  .review-mini-actions{
    margin-top: 12px;
  }

  .review-mini-actions .btn{
    width: auto;
    max-width: 100%;
    white-space: normal;
    text-align: center;
  }

  .quote-meta{
    flex-wrap: wrap;
  }

  .status{
    min-width: 0;
  }
}