:root{--green:#5bb85a;--blue:#3a7fc1;--purple:#7b4fa6;--red:#d94040;--orange:#e8832a;--yellow:#f0c030;--black:#111;--white:#fff;--off:#f8f8f6;--accent:#7b4fa6}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--white);color:var(--black);font-family:'Jost',sans-serif;font-weight:300;overflow-x:hidden}
.top-bar{display:flex;width:100%;height:6px;position:fixed;top:0;left:0;right:0;z-index:100}
.top-bar div{flex:1}
.site-header{position:fixed;top:6px;left:0;right:0;z-index:150;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06);padding:0 28px;height:52px;display:flex;align-items:center;justify-content:space-between}
.header-logo{font-family:'Anton',sans-serif;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--black);text-decoration:none;display:flex;align-items:center;gap:10px}
.header-logo .logo-dots{display:flex;gap:3px}
.header-logo .logo-dots span{width:6px;height:6px;border-radius:50%}
.header-nav{display:flex;align-items:center;gap:26px}
.header-nav a{font-family:'Jost',sans-serif;font-weight:400;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:#666;text-decoration:none;transition:color .3s}
.header-nav a:hover{color:var(--black)}
@media(max-width:620px){.header-nav a:not(.back-link){display:none}}
.article-hero{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:140px 32px 80px;text-align:center;position:relative;overflow:hidden;background:var(--off)}
.book-cover-hero{margin-bottom:28px;opacity:0;animation:fadeUp .8s ease forwards .1s;width:220px;height:auto;aspect-ratio:2/3;border-radius:4px;box-shadow:0 20px 60px rgba(0,0,0,.28);position:relative;overflow:hidden;background:#f0f0f0}
.book-cover-hero img{width:100%;height:100%;object-fit:cover;display:block}
.book-cover-hero::after{content:'';position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--green),var(--blue),var(--purple),var(--red),var(--orange),var(--yellow));z-index:2}
.book-cover-caption{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:.76rem;color:#999;margin:-14px 0 18px;opacity:0;animation:fadeUp .8s ease forwards .3s}
.article-category{font-weight:400;font-size:.68rem;letter-spacing:.35em;text-transform:uppercase;color:var(--accent);margin-bottom:22px;opacity:0;animation:fadeUp .8s ease forwards .2s}
.article-title{font-family:'Anton',sans-serif;font-size:clamp(1.8rem,5vw,3.4rem);text-transform:uppercase;line-height:1.05;max-width:920px;opacity:0;animation:fadeUp .8s ease forwards .4s}
.article-title-en{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:clamp(1rem,2.4vw,1.45rem);color:#888;max-width:820px;margin:14px auto 0;opacity:0;animation:fadeUp .8s ease forwards .55s;line-height:1.3}
.article-title-en::before{content:'en';font-family:'Jost',sans-serif;font-style:normal;font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);display:inline-block;margin-right:10px;padding:3px 8px;border:1px solid var(--accent);border-radius:2px;vertical-align:middle;font-weight:400}
.bilingual-fact{background:linear-gradient(135deg,rgba(123,79,166,.05),rgba(58,127,193,.04));border:1px solid rgba(123,79,166,.15);border-radius:6px;padding:22px 26px;margin:30px 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:560px){.bilingual-fact{grid-template-columns:1fr}}
.bilingual-fact h5{font-family:'Anton',sans-serif;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.bilingual-fact p{font-size:.88rem;line-height:1.65;color:#333;margin:0}
.quote-bilingual{margin:40px auto;padding:28px 24px;max-width:680px;background:var(--off);border-radius:6px;border-left:4px solid var(--accent)}
.quote-bilingual .q-en{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:1.2rem;line-height:1.5;color:#1a1a1a;margin-bottom:12px}
.quote-bilingual .q-es{font-family:'Cormorant Garamond',serif;font-size:1rem;line-height:1.55;color:#555;padding-top:10px;border-top:1px solid rgba(123,79,166,.15)}
.quote-bilingual .q-lang{font-family:'Jost',sans-serif;font-weight:500;font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);display:inline-block;margin-right:8px}
.quote-bilingual .q-source{font-family:'Jost',sans-serif;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:#888;margin-top:10px;display:block}
.faq-item{border-bottom:1px solid #eee;padding:18px 0}
.faq-item:last-child{border-bottom:none}
.faq-item h4{font-family:'Anton',sans-serif;font-size:.98rem;text-transform:none;letter-spacing:0;line-height:1.25;color:var(--black);margin-bottom:10px}
.faq-item p{font-size:.92rem;line-height:1.75;color:#333;margin-bottom:0}
.glossary{background:var(--off);padding:26px 28px;margin:30px 0;border-radius:6px}
.glossary h4{font-family:'Anton',sans-serif;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.glossary table{width:100%;border-collapse:collapse;font-size:.88rem}
.glossary table th{font-family:'Anton',sans-serif;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;text-align:left;padding:8px 10px;color:var(--accent);border-bottom:2px solid var(--accent)}
.glossary table td{padding:9px 10px;border-bottom:1px solid #e4e4e4;vertical-align:top;line-height:1.55}
.glossary table td:first-child{font-weight:500;color:var(--black);font-style:italic}
.buy-box{background:var(--white);border:1.5px solid var(--black);padding:26px 30px;margin:36px 0;border-radius:4px;position:relative}
.buy-box::before{content:'';position:absolute;top:-1.5px;left:-1.5px;right:-1.5px;height:5px;background:linear-gradient(90deg,var(--green),var(--blue),var(--purple),var(--red),var(--orange),var(--yellow))}
.buy-box h4{font-family:'Anton',sans-serif;font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;color:var(--black);margin-bottom:14px}
.buy-box ul{padding-left:20px;margin:0}
.buy-box li{font-size:.92rem;line-height:1.75;color:#222;margin-bottom:8px}
.article-brush{width:clamp(180px,42vw,420px);height:20px;margin:22px auto 18px;opacity:0;animation:fadeUp .6s ease forwards .7s}
.article-subtitle{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:clamp(1rem,2.2vw,1.3rem);color:#666;max-width:760px;opacity:0;animation:fadeUp .8s ease forwards .9s}
.article-meta{margin-top:32px;display:flex;align-items:center;justify-content:center;gap:18px;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:#aaa;opacity:0;animation:fadeUp .8s ease forwards 1.1s;flex-wrap:wrap}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#ccc}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.reading-progress{position:fixed;top:58px;left:0;height:2px;width:0%;background:linear-gradient(90deg,var(--green),var(--blue),var(--purple),var(--red),var(--orange),var(--yellow));z-index:160;transition:width .15s ease}
.article-body{max-width:760px;margin:0 auto;padding:70px 32px 50px}
.article-body .lead{font-family:'Cormorant Garamond',serif;font-size:clamp(1.1rem,2.3vw,1.35rem);line-height:1.65;color:#444;margin-bottom:38px;font-weight:300}
.article-body h2{font-family:'Anton',sans-serif;font-size:clamp(1.4rem,3.4vw,2rem);text-transform:uppercase;line-height:1.1;margin:50px 0 16px;letter-spacing:.01em}
.article-body h3{font-family:'Anton',sans-serif;font-size:1.08rem;text-transform:uppercase;letter-spacing:.02em;margin:28px 0 10px}
.article-body h4{font-family:'Anton',sans-serif;font-size:.86rem;text-transform:uppercase;letter-spacing:.08em;margin:22px 0 10px;color:var(--accent)}
.article-body p{font-size:.96rem;line-height:1.85;color:#2a2a2a;margin-bottom:16px}
.article-body p strong{font-weight:500;color:var(--black)}
.article-body a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{text-decoration-thickness:2px}
.article-body ul,.article-body ol{padding-left:24px;margin-bottom:20px}
.article-body ul li,.article-body ol li{font-size:.94rem;line-height:1.8;color:#2a2a2a;margin-bottom:8px}
.accent-line{width:60px;height:3px;background:var(--accent);margin:40px auto;border-radius:2px}
.pull-quote{margin:44px auto;padding:26px 20px;text-align:center;max-width:620px}
.pull-quote p{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:clamp(1.2rem,2.6vw,1.6rem);line-height:1.45;color:#1a1a1a;margin:0}
.pull-quote .pq-dash{width:42px;height:3px;background:var(--accent);margin:16px auto 0;border-radius:2px}
.pull-quote .pq-source{font-family:'Jost',sans-serif;font-style:normal;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:#888;margin-top:12px;display:block}
.tldr{background:linear-gradient(135deg,rgba(123,79,166,.08),rgba(58,127,193,.06));border-radius:6px;padding:26px 28px;margin:26px 0 36px;border:1px solid rgba(123,79,166,.18)}
.tldr h3{font-family:'Anton',sans-serif;font-size:.8rem;text-transform:uppercase;letter-spacing:.22em;color:var(--accent);margin-bottom:12px}
.tldr ul{padding-left:22px;margin:0}
.tldr ul li{font-size:.9rem;line-height:1.7;color:#2a2a2a;margin-bottom:7px}
.tldr ul li strong{color:var(--black)}
.factbox{background:var(--white);border:1.5px solid var(--black);padding:24px 28px;margin:36px 0;border-radius:4px;position:relative}
.factbox::before{content:'';position:absolute;top:-1.5px;left:-1.5px;right:-1.5px;height:5px;background:linear-gradient(90deg,var(--green),var(--blue),var(--purple),var(--red),var(--orange),var(--yellow))}
.factbox h4{font-family:'Anton',sans-serif;font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--black);margin-bottom:14px}
.factbox ul{padding-left:20px;margin:0}
.factbox ul li{font-size:.92rem;line-height:1.7;color:#222;margin-bottom:7px}
.factbox ul li strong{color:var(--black);font-weight:500}
.toc{background:var(--white);padding:20px 24px;border:1px solid #eee;border-radius:6px;margin:0 0 34px;font-size:.86rem}
.toc h4{font-family:'Anton',sans-serif;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:#888;margin:0 0 12px}
.toc ol{padding-left:22px;margin:0}
.toc ol li{margin-bottom:5px;font-size:.9rem;line-height:1.45}
.toc ol li a{color:#444;text-decoration:none}
.toc ol li a:hover{color:var(--accent);text-decoration:underline}
.week-card{background:var(--off);border-left:4px solid var(--accent);padding:18px 22px;margin:18px 0;border-radius:4px}
.week-card.c1{border-left-color:var(--green)}
.week-card.c2{border-left-color:var(--blue)}
.week-card.c3{border-left-color:var(--purple)}
.week-card.c4{border-left-color:var(--red)}
.week-card.c5{border-left-color:var(--orange)}
.week-card.c6{border-left-color:var(--yellow)}
.week-card h4{font-family:'Anton',sans-serif;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:8px;color:var(--accent)}
.week-card h3{font-family:'Anton',sans-serif;font-size:1.05rem;text-transform:uppercase;margin-bottom:8px}
.week-card p{font-size:.9rem;line-height:1.75;color:#333;margin-bottom:0}
.exercise{background:rgba(123,79,166,.06);border-radius:4px;padding:20px 24px;margin:24px 0;border-left:3px solid var(--accent)}
.exercise h4{font-family:'Anton',sans-serif;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.exercise p{font-size:.92rem;margin-bottom:10px;line-height:1.8}
.exercise p:last-child{margin-bottom:0}
.cta-box{margin:60px auto 20px;max-width:620px;background:var(--black);color:var(--white);padding:46px 36px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--green),var(--blue),var(--purple),var(--red),var(--orange),var(--yellow))}
.cta-box h3{font-family:'Anton',sans-serif;font-size:clamp(1.3rem,3.2vw,1.8rem);text-transform:uppercase;letter-spacing:.02em;margin-bottom:12px}
.cta-box p{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:1rem;line-height:1.6;color:rgba(255,255,255,.75);margin-bottom:26px}
.btn{display:inline-block;font-family:'Anton',sans-serif;font-size:.88rem;letter-spacing:.08em;text-transform:uppercase;color:var(--black);background:var(--white);padding:14px 36px;cursor:pointer;border:none;position:relative;overflow:hidden;transition:transform .2s ease;text-decoration:none}
.btn::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--green),var(--blue),var(--purple),var(--red),var(--orange),var(--yellow));transform:translateX(-100%);transition:transform .4s ease;z-index:0}
.btn:hover::before{transform:translateX(0)}
.btn:hover{transform:translateY(-2px);color:var(--white)}
.btn span{position:relative;z-index:1}
.related-posts{margin-top:44px;padding:28px;background:var(--off);border-radius:6px}
.related-posts h4{font-family:'Anton',sans-serif;font-size:.76rem;letter-spacing:.22em;text-transform:uppercase;color:#888;margin-bottom:14px}
.related-posts ul{list-style:none;padding:0;margin:0}
.related-posts ul li{margin-bottom:9px;font-size:.88rem}
.related-posts ul li a{color:#444;text-decoration:none;border-bottom:1px solid transparent;transition:all .25s}
.related-posts ul li a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-footer{margin-top:60px;padding:42px 32px 50px;text-align:center;background:var(--off)}
.article-footer p{font-family:'Cormorant Garamond',serif;font-style:italic;color:#888;font-size:1rem;margin-bottom:22px}
.back-to-blog{display:inline-flex;align-items:center;gap:10px;font-family:'Jost',sans-serif;font-weight:400;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--black);text-decoration:none;border-bottom:1.5px solid var(--black);padding-bottom:3px;transition:color .25s,border-color .25s}
.back-to-blog:hover{color:var(--accent);border-color:var(--accent)}
footer.site-footer{background:var(--black);padding:28px 36px;text-align:center}
footer.site-footer p{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:#444}
@media(max-width:520px){
  .site-header{padding:0 16px}
  .article-hero{padding:125px 20px 45px}
  .article-body{padding:45px 20px 35px}
  .book-cover-hero{width:180px}
  .cta-box{padding:38px 22px}
}