:root{
  /* Satinbird Premium Brand Style Guide v1.0 — approved palette */
  --satinbird-navy:#0A1F3D;
  --antique-gold:#C9A24D;
  --warm-ivory:#F7EFD7;
  --ink:#111820;
  --forest-teal:#1E4C50;
  --mist:#D9E4E7;

  --background:#FBF9F3;
  --foreground:var(--ink);
  --primary:var(--antique-gold);
  --primary-foreground:var(--satinbird-navy);
  --border:#E5DFD0;
  --ring:var(--antique-gold);
  --input:#77818a;
  --radius:.2rem;
  --gold:var(--antique-gold);
  --muted-foreground:var(--forest-teal);
  --divider:#11182016;

  /* Typography roles per brand guide: Charter for display/editorial, DejaVu Sans for functional */
  --font-display:Charter,'Bitstream Charter','Iowan Old Style',Constantia,Georgia,serif;
  --font-functional:'DejaVu Sans',Verdana,Geneva,Arial,Helvetica,sans-serif;
  --font-sans:var(--font-functional);

  /* Accessible gold-on-light: Antique Gold fails contrast on Warm Ivory,
     so light sections use this deeper, brand-consistent gold for text. */
  --gold-on-light:#8B6B2E;
  --navy-teal-deep:#16323B;
}

*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:var(--background);color:var(--foreground);font-family:var(--font-functional);font-size:1rem;line-height:1.7}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:5px}button,input{font:inherit}.masthead{max-width:1440px;margin:auto;padding:27px 5%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--divider)}.wordmark{display:flex;flex-direction:column;gap:.6rem}.wordmark img{height:38px;width:auto;display:block}.wordmark span{display:block;font-family:var(--font-functional);font-size:.75rem;letter-spacing:.08em;color:var(--forest-teal)}nav{display:flex;align-items:center;gap:2rem;font-size:.9rem;font-family:var(--font-functional)}nav a:hover,.text-link:hover{color:var(--gold-on-light)}nav a.current{color:var(--gold-on-light);border-bottom:1px solid var(--gold-on-light);padding-bottom:.4rem}.nav-cta{border-bottom:1px solid var(--gold);padding:.4rem 0}.nav-dropdown{position:relative}.nav-dropdown-menu{position:absolute;top:100%;left:-1.2rem;background:#fff;border:1px solid var(--border);box-shadow:0 16px 32px #11182018;padding:.6rem 0;min-width:240px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:30}.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.nav-dropdown-menu a{display:block;padding:.65rem 1.2rem;font-size:.85rem;color:var(--foreground);white-space:nowrap}.nav-dropdown-menu a:hover{background:var(--background);color:var(--gold-on-light)}.hero{max-width:1440px;margin:auto;min-height:720px;padding:85px 5% 65px;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:5%}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--gold-on-light);font-size:.8rem;font-weight:600;margin:0 0 1.5rem;font-family:var(--font-functional)}h1,h2,h3{font-family:var(--font-display);font-weight:400;line-height:1.07;margin:0}h1{font-size:clamp(3.5rem,5.5vw,5.8rem);letter-spacing:-.035em}em{font-weight:400;font-style:italic;color:var(--gold-on-light)}.intro{font-size:1.2rem;margin:1.7rem 0 1rem;line-height:1.6}.hero-detail{max-width:390px;color:var(--forest-teal);margin-bottom:2rem}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:2rem;padding:.9rem 1.4rem;background:var(--gold);border:1px solid var(--gold);color:var(--satinbird-navy);font-family:var(--font-functional);font-size:.95rem;font-weight:600;cursor:pointer;min-height:48px}.button:hover{background:#e0bb6a}.button:disabled{opacity:.6;cursor:wait}.hero-cta-row{display:flex;flex-wrap:wrap;gap:1rem}.button-ghost{background:transparent;border:1px solid var(--gold-on-light);color:var(--gold-on-light)}.button-ghost:hover{background:#C9A24D1a}.hero-shelf{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:center;position:relative;padding-top:1rem}.hero-book{display:block;box-shadow:0 25px 45px #0009;transition:transform .25s}.hero-book img{width:100%;height:auto;display:block}.hero-book-1{transform:translateY(25px)}.hero-book-2{transform:translateY(-18px)}.hero-book-3{transform:translateY(45px)}.hero-book:hover{transform:translateY(-4px)}.hero-shelf>p{grid-column:1/-1;text-align:center;margin:5rem 0 0;font-size:.75rem;letter-spacing:.13em;color:var(--gold-on-light)}.hero-shelf>p span{display:block;color:var(--forest-teal);margin-top:.5rem;font-size:.75rem}.ribbon{display:flex;justify-content:center;gap:8vw;padding:1.3rem 5%;background:var(--navy-teal-deep);color:var(--warm-ivory);border-top:1px solid #C9A24D45;border-bottom:1px solid #C9A24D45;font-family:var(--font-display);font-size:1.2rem}.section{padding:6rem max(5%,calc((100vw - 1296px)/2));scroll-margin-top:1rem}.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:12%;align-items:end;margin-bottom:5rem}h2{font-size:clamp(2.5rem,4vw,4rem);letter-spacing:-.025em}.section-heading>p{margin:0;color:var(--forest-teal);max-width:460px}.book-row{display:grid;grid-template-columns:1fr 1fr;gap:11%;align-items:center;padding:4.5rem 0;border-bottom:1px solid var(--divider);scroll-margin-top:1rem}.book-row:first-of-type{padding-top:0}.book-art{background:var(--navy-teal-deep);padding:3rem 18%;position:relative;overflow:hidden}.book-row-2 .book-art{background:var(--forest-teal)}.book-row-3 .book-art{background:#0F2A30}.book-art a{display:block}.book-art img{display:block;width:100%;height:auto;position:relative;box-shadow:0 20px 40px rgba(0,0,0,.4);transition:transform .3s ease,box-shadow .3s ease}.book-art a:hover img{transform:translateY(-6px);box-shadow:0 30px 50px rgba(0,0,0,.5)}.book-number{position:absolute;top:-.1em;left:.025em;font:18rem/.9 var(--font-display);color:#ffffff06}.book-copy h3{font-size:clamp(2.1rem,3.1vw,3.4rem)}.book-copy h3 span{display:block;font-size:1.25rem;color:var(--forest-teal);margin-bottom:.6rem}.book-hook{font:italic 1.4rem/1.5 var(--font-display);color:var(--gold-on-light);margin:1.5rem 0}.book-copy>p:not(.eyebrow):not(.book-hook){color:var(--forest-teal)}.book-meta{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;font-size:.875rem;color:var(--forest-teal);margin:1.5rem 0;font-family:var(--font-functional)}.text-link{display:inline-block;border-bottom:1px solid var(--gold-on-light);padding:.5rem 0;color:var(--gold-on-light);font-family:var(--font-functional)}.text-link span{margin-left:.75rem}.catalogue-intro{max-width:760px;margin-bottom:4rem}.catalogue-intro p{color:var(--forest-teal);margin-top:1.2rem}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.4rem;margin-top:3rem}.category-card{display:block;padding:1.8rem 1.5rem;background:#fff;border:1px solid var(--border);box-shadow:0 8px 20px #11182010;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}.category-card:hover{transform:translateY(-5px);border-color:var(--gold-on-light);background:var(--warm-ivory);box-shadow:0 16px 30px #11182018}.category-card .eyebrow{margin-bottom:.8rem;font-size:.7rem}.category-card h4{font-family:var(--font-display);font-weight:400;font-size:1.1rem;margin:0 0 .6rem;color:var(--foreground);line-height:1.3}.category-card .small{margin:0;line-height:1.5}.series-block{padding:3.5rem 0;border-bottom:1px solid var(--divider)}.series-block:last-child{border-bottom:none;padding-bottom:0}.series-block:first-of-type{padding-top:0}.series-heading{max-width:640px;margin-bottom:2.5rem}.series-heading h3{font-size:clamp(1.7rem,2.6vw,2.3rem);margin-bottom:.8rem}.series-heading p{color:var(--forest-teal);margin:0}.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}.mini-book{display:flex;flex-direction:column}.mini-book a{display:block;overflow:hidden}.mini-book img{width:100%;height:auto;box-shadow:0 16px 34px rgba(0,0,0,.4);margin-bottom:1.3rem;transition:transform .3s ease,box-shadow .3s ease}.mini-book a:hover img{transform:translateY(-6px);box-shadow:0 26px 44px rgba(0,0,0,.5)}.mini-eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;color:var(--gold-on-light);margin:0 0 .5rem;font-family:var(--font-functional)}.mini-book h4{font-family:var(--font-display);font-weight:400;font-size:1.3rem;margin:0 0 .5rem;color:var(--foreground)}.mini-sub{color:var(--forest-teal);font-size:.9rem;margin:0 0 1rem;line-height:1.55}.mini-book .text-link{font-size:.85rem}.mini-format{font-size:.75rem!important;letter-spacing:.05em;text-transform:uppercase;color:var(--gold-on-light)!important;margin:-.4rem 0 1rem!important}.feature-book{display:grid;grid-template-columns:260px 1fr;gap:3rem;align-items:center}.feature-book>a{display:block}.feature-book img{width:100%;height:auto;box-shadow:0 22px 42px rgba(0,0,0,.42);transition:transform .3s ease,box-shadow .3s ease}.feature-book>a:hover img{transform:translateY(-6px);box-shadow:0 30px 52px rgba(0,0,0,.5)}.feature-book-copy h3{font-size:clamp(1.7rem,2.8vw,2.4rem);margin-bottom:.8rem}.feature-book-copy p{color:var(--forest-teal)}.feature-book-copy .book-hook{margin:1rem 0;font-size:1.15rem}.interior-preview{margin-top:2.5rem}.interior-label{font-family:var(--font-display);font-style:italic;color:var(--gold-on-light);font-size:1rem;margin:0 0 1rem}.interior-strip{display:flex;gap:.9rem}.interior-strip img{width:33.3%;height:auto;background:#fff;padding:6px;border:1px solid var(--divider)}.book-detail{max-width:1100px;margin:auto}.back-link{display:inline-block;margin-bottom:3rem}.book-detail-grid{display:grid;grid-template-columns:380px 1fr;gap:4rem;align-items:start}.book-detail-art{background:var(--navy-teal-deep);padding:2.5rem 12%;position:sticky;top:2rem}.book-detail-art img{width:100%;height:auto;display:block;box-shadow:14px 18px 30px #0006}.book-detail-copy h1{font-size:clamp(2.2rem,3.5vw,3.4rem);letter-spacing:-.025em;margin-bottom:1.2rem}.book-detail-copy .book-hook{font:italic 1.35rem/1.5 var(--font-display);color:var(--gold-on-light);margin:0 0 1.5rem}.book-detail-copy>p:not(.eyebrow):not(.book-hook){color:var(--forest-teal);max-width:600px}.book-detail-copy .book-meta{margin:1.6rem 0}.book-detail-copy .button{margin-top:1.4rem}.book-detail-series-nav{margin-top:3.5rem;padding-top:2.5rem;border-top:1px solid var(--divider)}.book-detail-series-nav p.eyebrow{margin-bottom:1rem}.series-nav-links{display:flex;flex-wrap:wrap;gap:.8rem 2rem}.series-nav-links a{color:var(--forest-teal);border-bottom:1px solid transparent}.series-nav-links a:hover,.series-nav-links a.current{color:var(--gold-on-light);border-color:var(--gold-on-light)}.author{background:var(--warm-ivory);color:var(--ink);display:grid;grid-template-columns:.8fr 1.2fr;gap:12%}.author .eyebrow,.author em{color:var(--gold-on-light)}.author .small{color:var(--forest-teal)}.author-copy{max-width:640px}.large-copy{font:1.8rem/1.45 var(--font-display);margin-top:0}.signature{font:italic 2rem var(--font-display);color:var(--gold-on-light);margin-top:2rem}.newsletter{display:grid;grid-template-columns:1fr 1fr;gap:12%;background:var(--navy-teal-deep);color:var(--warm-ivory)}.newsletter .eyebrow,.newsletter em{color:var(--gold)}.newsletter .small{color:var(--mist)}.newsletter>div>p:not(.eyebrow){max-width:450px}.signup{align-self:center;position:relative}.signup>label{display:block;margin-bottom:.6rem}.signup>input{width:100%;background:var(--satinbird-navy);border:1px solid #8396a0;padding:.9rem 1rem;color:#fff;min-height:50px;border-radius:0;font-family:var(--font-functional)}.signup>input::placeholder{color:var(--mist)}.consent{display:flex;align-items:flex-start;gap:.8rem;margin:1.1rem 0 1.5rem;font-size:.9rem;line-height:1.55}.consent button{margin-top:.2rem;flex-shrink:0}.small{font-size:.875rem;color:var(--forest-teal);line-height:1.6}.signup a{text-decoration:underline}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.privacy{padding-top:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid var(--divider)}.privacy h2{font:1.2rem var(--font-display)}.privacy p{font-size:.875rem;max-width:850px;color:var(--forest-teal)}footer{display:flex;gap:2rem;align-items:center;justify-content:space-between;padding:3rem 5%;font-size:.875rem;font-family:var(--font-functional)}footer p{color:var(--forest-teal)}footer>a{text-decoration:underline}.footer-mark{height:30px;width:auto;margin-bottom:.6rem}.skip{position:absolute;top:-100px;left:15px;background:var(--gold);color:var(--satinbird-navy);padding:1rem;z-index:50}.skip:focus{top:15px}.unsubscribe{max-width:650px;margin:8vh auto;padding:2rem}.unsubscribe h1{font-size:3rem}.unsubscribe button{margin-top:1rem}
@media(max-width:850px){.book-detail-grid{grid-template-columns:1fr;gap:2.5rem;text-align:center}.book-detail-art{position:static;max-width:340px;margin:0 auto}.book-detail-copy .book-meta{justify-content:center}.hero{grid-template-columns:1fr;padding-top:4rem;gap:3rem;min-height:0}.hero-copy{text-align:center}.hero-cta-row{justify-content:center}.hero-detail{margin-left:auto;margin-right:auto}.hero-shelf{max-width:650px;margin:0 auto 2rem;width:100%}.section{padding:4rem 6%}.section-heading{grid-template-columns:1fr;gap:2rem;margin-bottom:3rem}.book-row{gap:6%}.book-art{padding:2rem 10%}.book-copy h3{font-size:2rem}.author,.newsletter{grid-template-columns:1fr;gap:2.5rem}.ribbon{gap:2rem;font-size:1rem}footer{flex-wrap:wrap}.masthead{gap:1.5rem;flex-wrap:wrap}.wordmark img{height:30px}nav{gap:1.2rem}.mini-grid{grid-template-columns:repeat(3,1fr);gap:1.6rem}.feature-book{grid-template-columns:200px 1fr;gap:2rem}.category-grid{grid-template-columns:repeat(2,1fr)}.nav-dropdown-menu{display:none}}
@media(max-width:540px){.masthead{justify-content:center;text-align:center}nav{width:100%;justify-content:center}.hero{padding-top:3rem}h1{font-size:3.4rem}.hero-shelf{gap:8px}.hero-shelf>p{margin-top:4rem}.ribbon{flex-direction:column;gap:.3rem;text-align:center}.book-row{grid-template-columns:1fr;gap:2rem;padding:3rem 0}.book-art{max-width:350px;width:100%;margin:auto;padding:2rem 15%}.book-copy .eyebrow{margin-bottom:1rem}.book-copy h3{font-size:2.4rem}footer{flex-direction:column;align-items:flex-start}.hero-book{box-shadow:0 12px 25px #0007}.mini-grid{grid-template-columns:1fr;gap:2.2rem}.feature-book{grid-template-columns:1fr;text-align:center}.feature-book img{max-width:240px;margin:0 auto}.category-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-book{transition:none}}

.carousel-band{background:#F1EEE3;padding:1.8rem 0;margin:2.5rem 0}
.carousel-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.4rem}
.carousel-head h3{font-family:var(--font-display);font-weight:400;font-size:1.4rem;margin:0}
.carousel-pill{display:inline-flex;align-items:center;gap:.3rem;background:#fff;border:1px solid var(--border);border-radius:999px;padding:.4rem 1rem;font-size:.82rem;color:var(--foreground);text-decoration:none}
.carousel-pill:hover{background:var(--warm-ivory)}
.carousel-arrows{margin-left:auto;display:flex;gap:.5rem}
.carousel-arrow{width:2.4rem;height:2.4rem;border-radius:50%;border:1px solid var(--border);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.1rem;color:var(--foreground);line-height:1}
.carousel-arrow:hover{background:var(--warm-ivory)}
.carousel-track{display:flex;gap:1.6rem;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:.4rem;-ms-overflow-style:none;scrollbar-width:none}
.carousel-track::-webkit-scrollbar{display:none}
.carousel-item{flex:0 0 auto;width:170px;scroll-snap-align:start}
.carousel-item img{width:100%;aspect-ratio:2/3;object-fit:cover;border-radius:4px;box-shadow:0 6px 16px #11182018;display:block}
.carousel-item h4{font-size:.92rem;font-weight:600;margin:.7rem 0 .15rem;line-height:1.25}
.carousel-item p{font-size:.8rem;color:var(--forest-teal);margin:0}
.carousel-item a{text-decoration:none;color:inherit}
@media(max-width:600px){.carousel-item{width:130px}}

[hidden]{display:none!important}

/* Ember Wren companion resources */
.resource-title{font-family:var(--font-display);font-weight:400;font-size:clamp(2.4rem,4vw,4rem);line-height:1.12}
.resource-book{display:grid;grid-template-columns:minmax(140px,220px) minmax(0,1fr);gap:3rem;border-top:1px solid #d8d5cd}
.resource-cover{width:100%;height:auto;box-shadow:0 12px 30px #0002}
.resource-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;margin-top:1.5rem}
.resource-card{padding:1.5rem;border:1px solid #d8d5cd;border-radius:8px}
.resource-card h3{font-size:1.5rem;line-height:1.2}.resource-downloads{display:flex;gap:.7rem;flex-wrap:wrap}
.resource-card .button{white-space:normal;text-align:center}
@media(max-width:760px){.resource-book{grid-template-columns:1fr;gap:1.5rem}.resource-cover{max-width:180px}.resource-options{grid-template-columns:1fr}}

.all-books-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:2rem;margin-top:2rem}.catalogue-tile img{width:100%;height:290px;object-fit:contain}.catalogue-tile h2{font-size:1.35rem;line-height:1.3;margin-top:1rem}nav{flex-wrap:wrap}footer{flex-wrap:wrap}

.catalogue-jump-links{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;margin-top:1.5rem}.catalogue-group{border-top:1px solid #d8d5cd;scroll-margin-top:8rem}.catalogue-group .all-books-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalogue-tile h3{font-size:1.35rem;line-height:1.3;margin-top:1rem}@media(max-width:760px){.catalogue-group .all-books-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:460px){.catalogue-group .all-books-grid{grid-template-columns:1fr}}


/* Ember Wren mini-site */
.ember-subnav{display:flex;gap:1.2rem;justify-content:center;flex-wrap:wrap;padding:.8rem 5%;background:var(--navy-teal-deep);border-top:1px solid #C9A24D35;border-bottom:1px solid #C9A24D35;position:relative;z-index:20}.ember-subnav a{font-family:var(--font-functional);font-size:.78rem;letter-spacing:.04em;color:var(--warm-ivory);padding:.35rem 0;border-bottom:1px solid transparent}.ember-subnav a:hover,.ember-subnav a.current{color:var(--gold);border-color:var(--gold)}.ember-hero{min-height:650px;display:grid;grid-template-columns:.9fr 1.1fr;gap:5%;align-items:center;background:linear-gradient(135deg,#06182f 0%,#103942 100%);color:var(--warm-ivory);max-width:none}.ember-hero .eyebrow,.ember-hero em{color:var(--gold)}.ember-hero .hero-detail{color:var(--mist)}.ember-page-hero{background:linear-gradient(135deg,#071a34 0%,#123e47 100%);color:var(--warm-ivory);padding-top:5rem;padding-bottom:5rem}.ember-page-hero .eyebrow,.ember-page-hero em{color:var(--gold)}.ember-page-hero .intro{max-width:760px}.ember-quicklinks{padding-top:3.5rem;padding-bottom:3.5rem}.quicklink-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem}.ember-light{background:var(--warm-ivory);color:var(--ink)}.ember-resource-callout,.ember-author-cta{background:var(--navy-teal-deep);color:var(--warm-ivory)}.ember-resource-callout .eyebrow,.ember-author-cta .eyebrow,.ember-resource-callout em,.ember-author-cta em{color:var(--gold)}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.resource-card{display:grid;grid-template-columns:150px 1fr;gap:1.5rem;background:#fff;border:1px solid var(--border);padding:1.4rem;box-shadow:0 12px 25px #1118200f}.resource-thumb img{width:100%;height:auto;display:block;box-shadow:0 12px 22px #0003}.resource-card h3{font-size:1.45rem;margin-bottom:.6rem}.resource-card p:not(.eyebrow){color:var(--forest-teal)}.resource-actions{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-top:1rem}.resource-actions .button{padding:.7rem 1rem;min-height:42px}.clean-list{columns:2;gap:3rem;max-width:800px;margin:1.5rem 0 2rem;padding-left:1.2rem}.clean-list li{margin-bottom:.65rem}.category-card h3{font-family:var(--font-display);font-weight:400;font-size:1.5rem;margin:.25rem 0 .7rem}.category-card p{color:var(--forest-teal)}
@media(max-width:900px){.ember-hero{grid-template-columns:1fr}.quicklink-grid{grid-template-columns:1fr 1fr}.resource-grid{grid-template-columns:1fr}.ember-subnav{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}.ember-subnav a{white-space:nowrap}.clean-list{columns:1}}
@media(max-width:600px){.quicklink-grid{grid-template-columns:1fr}.resource-card{grid-template-columns:90px 1fr}.ember-hero{padding-top:3rem}.hero-shelf{margin-top:1rem}}

/* four-card category grid */
.category-grid.four{grid-template-columns:repeat(4,1fr)}
@media(max-width:850px){.category-grid.four{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.category-grid.four{grid-template-columns:1fr}}