:root{
  --bg:#F7F6F4;
  --bg-soft:#F3F0EB;
  --text:#4A4A4A;
  --muted:#6F6B66;
  --primary:#9AAE95;
  --primary-dark:#82967D;
  --support:#D8CFC4;
  --white:#FFFFFF;
  --border:rgba(74,74,74,.08);
  --shadow:0 18px 40px rgba(74,74,74,.08);
  --shadow-strong:0 28px 60px rgba(34,52,41,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
}
a{text-decoration:none;color:inherit}
.container{width:min(1160px, calc(100% - 40px)); margin:0 auto}
.narrow{width:min(780px, 100%); margin:0 auto}
.center{text-align:center}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(10px);
  background:rgba(247,246,244,.88);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:18px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
}
.brand strong{display:block; font-size:15px}
.brand small{display:block; font-size:12px; color:var(--muted)}
.brand-mark{
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(145deg, #fff, #ECE8E1);
  border:1px solid var(--border);
  font-family:'Playfair Display',serif;
  font-size:18px;
}
.menu{display:flex; align-items:center; gap:20px; flex-wrap:wrap}
.menu a{font-size:14px; color:var(--muted)}
.nav-cta{
  padding:10px 16px;
  border-radius:999px;
  background:var(--text);
  color:var(--white) !important;
}

.hero{
  padding:82px 0 60px;
  background:
    radial-gradient(circle at 80% 20%, rgba(154,174,149,.18), transparent 26%),
    radial-gradient(circle at 12% 16%, rgba(216,207,196,.26), transparent 24%),
    linear-gradient(135deg, #F7F6F4 0%, #FBFAF8 58%, #F2EEE8 100%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:42px;
  align-items:center;
}
.eyebrow,.section-label{
  display:inline-block;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:12px;
  color:var(--muted);
  margin-bottom:14px;
}
h1,h2,h3{
  font-family:'Playfair Display',serif;
  line-height:1.08;
  margin:0 0 16px;
  font-weight:700;
}
h1{font-size:clamp(2.7rem, 5vw, 5rem)}
h2{font-size:clamp(1.9rem, 3vw, 3rem)}
h3{font-size:1.3rem}
.hero-subtitle{
  font-size:1.2rem;
  color:#33504B;
  font-weight:700;
  margin:0 0 14px;
}
.hero-text{
  color:var(--muted);
  font-size:1.05rem;
  max-width:640px;
}
.hero-points{
  margin:22px 0 0;
  padding:0;
  list-style:none;
}
.hero-points li{
  padding-left:28px;
  position:relative;
  margin-bottom:10px;
}
.hero-points li::before{
  content:"✓";
  position:absolute;
  left:0; top:0;
  color:var(--primary-dark);
  font-weight:800;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:28px 0 16px;
}
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 24px;
  border-radius:999px;
  font-weight:700;
  transition:.2s ease;
  border:1px solid transparent;
}
.button:hover{transform:translateY(-1px)}
.button.primary{
  background:var(--primary);
  color:#fff;
  box-shadow:var(--shadow);
}
.button.primary:hover{background:var(--primary-dark)}
.button.secondary{
  background:#fff;
  border-color:var(--border);
}
.button.large{
  width:100%;
  min-height:56px;
}
.microcopy{
  color:var(--muted);
  font-size:14px;
}

.hero-visual{
  display:flex;
  justify-content:center;
}
.book-card{
  width:min(420px, 100%);
  min-height:540px;
  background:linear-gradient(180deg, #FFF 0%, #F3EEE6 100%);
  border:1px solid var(--border);
  border-radius:28px;
  box-shadow:var(--shadow-strong);
  padding:32px;
  position:relative;
  overflow:hidden;
}
.book-card::before{
  content:"";
  position:absolute;
  width:280px;height:280px;
  border:1px solid rgba(154,174,149,.35);
  border-radius:50%;
  right:-80px; top:42px;
}
.book-card::after{
  content:"";
  position:absolute;
  width:220px;height:220px;
  border:1px solid rgba(216,207,196,.5);
  border-radius:50%;
  left:-80px; bottom:-40px;
}
.book-top{
  display:inline-block;
  padding:7px 12px;
  border-radius:999px;
  background:rgba(154,174,149,.14);
  font-size:12px;
  position:relative;
  z-index:1;
}
.book-card h2{position:relative; z-index:1; font-size:2.5rem; margin-top:24px}
.book-card p{position:relative; z-index:1; color:var(--muted)}
.book-brain{
  position:relative;
  z-index:1;
  margin:28px auto 24px;
  width:220px;
  height:120px;
  display:flex;
  gap:12px;
  justify-content:center;
  align-items:center;
}
.brain-half{
  width:96px;
  height:96px;
  border-radius:55% 45% 48% 52% / 52% 48% 50% 50%;
  border:2px solid rgba(51,80,75,.16);
}
.brain-half.chaos{
  background:
    repeating-linear-gradient(135deg, rgba(51,80,75,.72) 0 2px, transparent 2px 8px),
    linear-gradient(180deg, rgba(154,174,149,.2), rgba(216,207,196,.2));
}
.brain-half.clarity{
  background:
    radial-gradient(circle at 30% 30%, rgba(154,174,149,.6), transparent 30%),
    linear-gradient(180deg, rgba(154,174,149,.16), rgba(216,207,196,.18));
}
.book-authors{
  position:relative;
  z-index:1;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--muted);
  padding-top:16px;
  border-top:1px solid var(--border);
}

.section{padding:88px 0}
.soft{background:var(--bg-soft)}
.alt{background:linear-gradient(180deg, rgba(216,207,196,.17), rgba(247,246,244,1))}
.section-head{margin-bottom:34px}
.section-text{color:var(--muted)}

.benefits-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
}
.benefit-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  padding:28px;
  box-shadow:var(--shadow);
}
.benefit-card p{margin-bottom:0; color:var(--muted)}

.two-columns{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:34px;
  align-items:center;
}
.parts-list{
  display:grid;
  gap:14px;
}
.part-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px 20px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:center;
}
.part-item strong{font-size:14px}
.part-item span{color:var(--muted); text-align:right}

.quote-section blockquote{
  margin:0;
  font-family:'Playfair Display',serif;
  font-size:clamp(1.5rem, 3vw, 2.2rem);
  line-height:1.35;
}

.authors-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:22px;
}
.author-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  padding:30px;
  box-shadow:var(--shadow);
}
.author-card p{color:var(--muted)}
.author-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.author-links a{
  color:#33504B;
  font-weight:700;
}

.cta-panel{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:center;
  background:#fff;
  border:1px solid var(--border);
  border-radius:28px;
  padding:34px;
  box-shadow:var(--shadow);
}
.cta-box{
  background:linear-gradient(180deg, #FBFBFA, #F4EFE7);
  border-radius:22px;
  padding:28px;
}
.tiny{
  font-size:12px;
  color:var(--muted);
  margin-top:14px;
}

.faq-list{
  display:grid;
  gap:14px;
}
.faq-list details{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px 20px;
  box-shadow:var(--shadow);
}
.faq-list summary{
  cursor:pointer;
  font-weight:700;
}
.faq-list p{
  color:var(--muted);
  margin:12px 0 0;
}

.site-footer{
  border-top:1px solid var(--border);
  padding:26px 0 34px;
}
.footer-wrap{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer-wrap p{margin:.35rem 0 0; color:var(--muted)}
.footer-links{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  align-items:flex-start;
}
.footer-links a{color:#33504B; font-weight:700}

@media (max-width: 980px){
  .hero-grid,
  .two-columns,
  .cta-panel,
  .authors-grid{
    grid-template-columns:1fr;
  }
  .benefits-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width: 760px){
  .menu{display:none}
  .hero{padding-top:54px}
  .section{padding:64px 0}
  .benefits-grid{grid-template-columns:1fr}
  .book-card{min-height:auto}
  .part-item{
    flex-direction:column;
    align-items:flex-start;
  }
  .part-item span{text-align:left}
}