:root{--navy:#081a2d;--blue:#0e67a8;--sky:#46a9e7;--gold:#f3b229;--ink:#18222c;--muted:#63707b;--light:#f3f6f8;--white:#fff;--line:#dfe5ea;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.65;background:#fff}img{max-width:100%;height:auto}.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}.narrow{max-width:820px}.center{text-align:center}.site-header{background:#071523;border-bottom:1px solid rgba(255,255,255,.1);position:sticky;top:0;z-index:50}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{color:#fff;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:.3px}.brand span{color:var(--gold);margin-left:4px}.nav{display:flex;gap:24px}.nav a{color:#dce8f2;text-decoration:none;font-size:15px;font-weight:700}.nav a:hover{color:#fff}.hero{min-height:680px;position:relative;display:flex;align-items:center;background:#071523 url('/assets/images/hero.jpg') center center/cover no-repeat;color:#fff}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,13,25,.86) 0%,rgba(3,17,31,.72) 45%,rgba(3,17,31,.35) 100%)}.hero-content{position:relative;z-index:2;max-width:850px;margin-left:max(20px,calc((100vw - var(--max))/2));margin-right:20px}.eyebrow{font-size:13px;letter-spacing:2px;font-weight:800;color:#8fd2ff;margin:0 0 12px}.eyebrow.dark{color:var(--blue)}h1,h2,h3{line-height:1.12;margin-top:0}h1{font-size:clamp(42px,6vw,74px);max-width:840px;margin-bottom:20px}h2{font-size:clamp(32px,4vw,48px);margin-bottom:18px}h3{font-size:22px}.hero-lead{font-size:clamp(18px,2.2vw,23px);max-width:780px;color:#edf5fb}.hero-tagline{font-weight:800;color:#fff;margin-top:22px}.button-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.center-row{justify-content:center}.btn{display:inline-block;padding:14px 22px;border-radius:6px;text-decoration:none;font-weight:800;text-transform:uppercase;letter-spacing:.5px;font-size:14px}.btn-primary{background:var(--gold);color:#15202a}.btn-primary:hover{filter:brightness(1.05)}.btn-outline{color:#fff;border:2px solid #fff}.btn-light{background:#fff;color:var(--navy)}.section{padding:82px 0}.section.alt{background:var(--light)}.intro{font-size:21px;color:#33424e}.section-heading{margin-bottom:38px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;box-shadow:0 8px 28px rgba(8,26,45,.06)}.card .icon{font-size:26px;font-weight:800;color:var(--blue);margin-bottom:14px}.card p{margin-bottom:0;color:#4e5c67}.dark-section{background:var(--navy);color:#e9f2f8}.split{display:grid;grid-template-columns:1.15fr .85fr;gap:58px;align-items:center}.question-box{background:#102c47;padding:30px;border-radius:12px;border:1px solid rgba(255,255,255,.12)}.question-box h3{color:#fff}.question-box li{margin:.55em 0}.book-grid{grid-template-columns:.9fr 1.1fr}.book-art{text-align:center}.book-art img{max-height:620px;width:auto}.asset-note{font-size:13px;color:#7c4a00;background:#fff3cd;border:1px solid #ffe69c;padding:10px;border-radius:6px}.subtitle{font-size:22px;color:var(--blue);font-weight:700}.check-list{padding-left:1.2em}.check-list li{margin:.45em 0}.purchase-intro{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.purchase-heading{display:block;font-size:21px;font-weight:800;color:var(--navy);margin-bottom:4px}.purchase-intro p{margin:0;color:#52616d}.purchase-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;margin-top:20px;align-items:stretch}.purchase-card{position:relative;padding:28px;border-radius:16px;text-decoration:none;color:#fff;display:flex;flex-direction:column;min-height:350px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.purchase-card:hover{transform:translateY(-4px)}.purchase-card strong{display:block;font-size:26px;line-height:1.15;margin:8px 0 12px}.purchase-option{border:2px solid transparent}.purchase-badge{display:inline-flex;align-self:flex-start;align-items:center;width:auto;padding:7px 11px;border-radius:999px;font-size:11px;line-height:1;letter-spacing:1.1px;font-weight:900;margin-bottom:20px}.purchase-label{font-size:13px;letter-spacing:1px;text-transform:uppercase;font-weight:800;opacity:.85}.purchase-copy{display:block;font-size:15px;line-height:1.55;opacity:.92;margin-bottom:18px}.purchase-button{display:block;margin-top:auto;padding:14px 16px;border-radius:8px;text-align:center;font-size:14px;font-weight:900;letter-spacing:.4px;text-transform:uppercase}.purchase-note{display:block;text-align:center;font-size:11px;margin-top:10px;opacity:.78}.amazon{background:linear-gradient(145deg,#0a1c2e,#173b5c);border-color:#294f70;box-shadow:0 12px 30px rgba(8,26,45,.14)}.amazon:hover{box-shadow:0 18px 40px rgba(8,26,45,.22);border-color:#4b789b}.amazon-badge{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18)}.amazon-button{background:#fff;color:#0d2942}.featured-purchase{min-height:390px}.gumroad{background:linear-gradient(145deg,#5426d8,#7a43f4 55%,#4c20c6);border-color:#8d69ff;box-shadow:0 18px 42px rgba(92,54,232,.30)}.gumroad:before{content:"BEST FOR INSTANT READING";position:absolute;top:18px;right:-47px;transform:rotate(35deg);background:var(--gold);color:#17202a;font-size:9px;font-weight:900;letter-spacing:.8px;padding:7px 48px}.gumroad:hover{box-shadow:0 24px 50px rgba(92,54,232,.40);border-color:#b39cff}.instant-badge{background:var(--gold);color:#17202a;box-shadow:0 4px 14px rgba(0,0,0,.18)}.purchase-price{display:block;font-size:72px;font-weight:900;letter-spacing:-4px;line-height:.95;margin:7px 0 10px;color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.16)}.price-dollar{font-size:.5em;vertical-align:top;position:relative;top:.12em;margin-right:2px}.price-cents{font-size:.5em;letter-spacing:-2px}.purchase-benefits{display:block;font-size:13px;font-weight:800;line-height:1.6;margin:2px 0 18px;color:#fff}.gumroad-button{background:var(--gold);color:#16202a;box-shadow:0 5px 0 rgba(112,75,0,.35);font-size:15px}.gumroad-button:hover{filter:brightness(1.04)}.faq details,details{background:#fff;border:1px solid var(--line);border-radius:8px;margin:12px 0;padding:18px 20px}.section.alt details{background:#fff}summary{font-weight:800;cursor:pointer}.cta{padding:70px 0;background:linear-gradient(135deg,#0b3559,#0e67a8);color:#fff}.cta p{font-size:20px}.site-footer{background:#06121e;color:#bac9d5;padding:48px 0 24px}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:40px}.site-footer strong{color:#fff;font-size:18px}.footer-links{display:grid;gap:8px}.footer-links a{color:#dbe7f0;text-decoration:none}.copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:20px;font-size:13px}.legal{padding:72px 0;min-height:65vh}.legal h1{color:var(--navy);font-size:44px}.legal h2{font-size:26px;margin-top:30px}.placeholder{background:#fff3cd;padding:2px 6px;border-radius:4px}code{font-family:Consolas,monospace;font-size:.9em}@media(max-width:850px){.header-inner{flex-direction:column;justify-content:center;padding:14px 0}.nav{gap:14px;flex-wrap:wrap;justify-content:center}.hero{min-height:620px;background-position:62% center}.hero-content{margin:auto;width:min(calc(100% - 40px),var(--max))}.card-grid{grid-template-columns:1fr 1fr}.split,.book-grid{grid-template-columns:1fr}.book-art{order:2}.purchase-grid{grid-template-columns:1fr}.featured-purchase{min-height:0}.purchase-card{min-height:0}.footer-grid{grid-template-columns:1fr}.section{padding:62px 0}}@media(max-width:560px){.wrap{width:min(calc(100% - 28px),var(--max))}.nav{font-size:13px}.hero{min-height:600px;background-position:66% center}.hero-overlay{background:rgba(3,17,31,.72)}h1{font-size:42px}.hero-lead{font-size:18px}.button-row .btn{width:100%;text-align:center}.card-grid{grid-template-columns:1fr}.section{padding:52px 0}.legal h1{font-size:36px}}
@media(max-width:560px){.purchase-card{padding:24px 20px}.purchase-price{font-size:64px}.purchase-card strong{font-size:23px}.gumroad:before{display:none}.purchase-benefits{font-size:12px}.purchase-button{font-size:13px}}

/* Anchor offset for sticky header. Use scroll-padding only so the offset is not doubled. */
html{scroll-padding-top:82px}
section[id]{scroll-margin-top:0}
@media(max-width:850px){html{scroll-padding-top:112px}}
@media(max-width:560px){html{scroll-padding-top:118px}}


/* Mobile purchase section ordering:
   Keep the desktop side-by-side layout unchanged, but show the book first on phones. */
@media (max-width: 767px) {
  .book-purchase-grid,
  .purchase-grid,
  .book-section-grid,
  .book-offer-grid {
    display: flex;
    flex-direction: column;
  }

  .book-purchase-grid .book-image,
  .purchase-grid .book-image,
  .book-section-grid .book-image,
  .book-offer-grid .book-image,
  .book-purchase-grid .book-mockup,
  .purchase-grid .book-mockup,
  .book-section-grid .book-mockup,
  .book-offer-grid .book-mockup {
    order: -1;
  }
}


/* Exact mobile ordering for the book section.
   Desktop remains side-by-side; on phones the book mockup appears first. */
@media (max-width: 767px) {
  .book-grid {
    display: flex;
    flex-direction: column;
  }

  .book-grid .book-art {
    order: -1;
  }
}


/* Desktop book-section rebalance.
   Keeps the current mobile layout unchanged. */
@media (min-width: 768px) {
  .book-grid {
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
    align-items: stretch;
    gap: clamp(2rem, 4vw, 4.5rem);
  }

  .book-grid .book-art {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
    padding: clamp(1.75rem, 3vw, 3rem);
    border-radius: 24px;
    background: linear-gradient(180deg, #f7f9fb 0%, #eef2f5 100%);
    border: 1px solid rgba(20, 50, 70, 0.08);
  }

  .book-grid .book-art img {
    width: min(100%, 420px);
    height: auto;
    display: block;
    margin: 0 auto;
    object-fit: contain;
  }
}


/* Desktop book-section correction:
   keep the improved proportions, remove the gray panel, and top-align the book. */
@media (min-width: 768px) {
  .book-grid {
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 4.5rem);
  }

  .book-grid .book-art {
    display: block;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .book-grid .book-art img {
    width: min(100%, 420px);
    height: auto;
    display: block;
    margin: 0 auto;
    object-fit: contain;
  }
}


/* Educational article pages */
.article-hero {
  padding: clamp(4rem, 8vw, 7rem) 0 2.5rem;
  background: #f4f7f9;
  border-bottom: 1px solid rgba(20,50,70,.1);
}
.article-wrap { max-width: 860px; }
.article-hero h1 { max-width: 820px; margin-bottom: 1rem; }
.article-deck { font-size: clamp(1.1rem, 2vw, 1.3rem); line-height: 1.65; max-width: 760px; }
.article-body { padding: clamp(2.5rem, 5vw, 5rem) 0; }
.article-body p, .article-body li { line-height: 1.78; }
.article-body h2 { margin-top: 2.75rem; margin-bottom: 1rem; }
.article-body h3 { margin-top: 2rem; margin-bottom: .6rem; }
.article-lead { font-size: 1.22rem; font-weight: 650; }
.article-callout {
  margin: 2rem 0;
  padding: 1.35rem 1.5rem;
  border-left: 5px solid #1e6f91;
  background: #f4f8fa;
  border-radius: 0 12px 12px 0;
}
.article-callout p { margin: .35rem 0 0; }
.question-list li { margin-bottom: 1.15rem; }
.article-book-cta {
  margin: 3.5rem 0;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: #f4f7f9;
  border: 1px solid rgba(20,50,70,.12);
  border-radius: 18px;
}
.article-cta-buttons { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 1.25rem; }
.article-cta-buttons .button { text-decoration: none; }
.sources-section {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(20,50,70,.14);
}
.sources-section li { margin-bottom: .7rem; }
.article-updated { margin-top: 2rem; font-size: .92rem; opacity: .75; }
@media (max-width: 767px) {
  .article-hero { padding-top: 2.75rem; }
  .article-cta-buttons { flex-direction: column; }
  .article-cta-buttons .button { width: 100%; text-align: center; }
}


/* Article purchase CTA: reuse the homepage purchase cards with tighter article spacing */
.article-book-cta-featured .purchase-intro {
  margin-top: 1.5rem;
}
.article-book-cta-featured .purchase-grid {
  margin-top: 1rem;
}
.article-book-cta-featured .purchase-card {
  min-height: 100%;
}
@media (max-width: 767px) {
  .article-book-cta-featured .purchase-grid {
    grid-template-columns: 1fr;
  }
}


/* Standard article book CTA with 3D cover */
.article-book-cta-with-cover .article-cta-grid {
  display: grid;
  grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}
.article-book-art {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.article-book-art img {
  display: block;
  width: min(100%, 330px);
  height: auto;
  object-fit: contain;
}
.article-book-cta-with-cover .article-book-copy {
  min-width: 0;
}
@media (max-width: 767px) {
  .article-book-cta-with-cover .article-cta-grid {
    grid-template-columns: 1fr;
  }
  .article-book-art {
    order: -1;
    margin-bottom: .5rem;
  }
  .article-book-art img {
    width: min(78vw, 320px);
  }
}
/* Add to existing style.css — preserves existing Learn card styling */
.article-book-cta-with-cover .article-cta-grid {
  display: grid;
  grid-template-columns: minmax(220px, .58fr) minmax(0, 1.42fr);
  gap: clamp(1.75rem, 3vw, 3rem);
  align-items: start;
}
.article-book-cta-with-cover .article-book-art {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.article-book-cta-with-cover .article-book-art img {
  display: block;
  width: min(100%, 330px);
  height: auto;
  margin: 0 auto;
}
@media (max-width: 767px) {
  .article-book-cta-with-cover .article-cta-grid {
    grid-template-columns: 1fr;
  }
  .article-book-cta-with-cover .article-book-art {
    order: -1;
    margin-bottom: .75rem;
  }
  .article-book-cta-with-cover .article-book-art img {
    width: min(78vw, 320px);
  }
}

/* ===== Learn hub card layout ===== */
.learn-section {
  padding: clamp(2.75rem, 6vw, 5rem) 0;
}

.learn-intro {
  max-width: 820px;
  margin-bottom: 2.25rem;
}

.learn-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.learn-card {
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(8,26,45,.06);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.learn-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(8,26,45,.11);
  border-color: #c9d6df;
}

.learn-kicker {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 1.35px;
}

.learn-card h2 {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.2;
}

.learn-card h2 a {
  color: var(--navy);
  text-decoration: none;
}

.learn-card h2 a:hover {
  color: var(--blue);
}

.learn-card p {
  margin: 0 0 20px;
  color: #4e5c67;
  line-height: 1.65;
}

.learn-link {
  display: inline-block;
  margin-top: auto;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.learn-link:hover {
  text-decoration: underline;
}

.learn-coming {
  margin: 42px 0 0;
  padding: 28px;
  background: var(--light);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.learn-coming h2 {
  margin-bottom: 14px;
}

.learn-topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.learn-topic-list span {
  display: inline-block;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #33424e;
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 950px) {
  .learn-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 650px) {
  .learn-grid {
    grid-template-columns: 1fr;
  }

  .learn-card {
    min-height: 0;
    padding: 24px 22px;
  }

  .learn-card h2 {
    font-size: 22px;
  }

  .learn-coming {
    padding: 24px 22px;
  }
}