*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --white:#FFFFFF;--cream:#FAF8F5;--bg:#FAF8F5;
  --navy:#12295B;--blue:#12295B;--blue-hover:#0D1F45;--blue-light:#F29A83;
  --corail:#F29A83;--corail-hover:#E8825F;--navy:#12295B;
  --blue-soft:#FCE4DC;--blue-pale:#FDF0EB;
  --text:#12295B;--text-2:#4A5568;--text-3:#8A91A8;
  --border:#E8EAF0;--border-light:#EEF0F5;
  --shadow-sm:0 1px 2px rgba(18,41,91,0.04);
  --shadow:0 4px 16px rgba(18,41,91,0.06);
  --shadow-lg:0 12px 40px rgba(18,41,91,0.08);
  --shadow-xl:0 24px 64px rgba(18,41,91,0.1);
  --font:'Inter',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --font-display:'DM Sans','Inter',system-ui,sans-serif;
  --ease:cubic-bezier(.25,.46,.45,.94);--ease-out:cubic-bezier(.16,1,.3,1)
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text-2);background:var(--cream);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;font-family:inherit;background:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:9999;background:var(--blue);color:#fff;padding:12px 24px;font-size:14px}.skip-link:focus{left:0}
a:focus-visible,.btn:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}

header{position:fixed;top:12px;left:50%;transform:translateX(-50%);z-index:1000;width:calc(100% - 48px);max-width:1200px}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:60px;background:rgba(250,248,245,0.8);border:1px solid rgba(216,212,202,0.5);border-radius:16px;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);box-shadow:0 1px 8px rgba(18,41,91,0.04)}
.logo{display:flex;align-items:center}.logo img{height:34px;width:auto;display:block}
#nav{display:flex;align-items:center;gap:6px}
#nav a{font-size:13px;font-weight:500;color:var(--text-3);transition:all .2s;padding:7px 14px;border-radius:8px}
#nav a:hover{color:var(--navy);background:rgba(18,41,91,0.04)}
#nav a.active{color:var(--navy);background:rgba(18,41,91,0.06);font-weight:600}
.nav-cta{background:var(--corail)!important;color:#fff!important;font-weight:600!important;font-size:13px!important;padding:9px 22px!important;border-radius:10px!important;transition:all .25s var(--ease)!important}
.nav-cta:hover{background:var(--corail-hover)!important}
.menu-toggle{display:none;padding:8px;flex-direction:column;gap:5px}
.menu-toggle span{width:20px;height:1.5px;background:var(--navy);border-radius:2px;transition:all .3s}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(4.5px,4.5px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(4.5px,-4.5px)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:10px;font-size:14px;font-weight:600;transition:all .25s var(--ease)}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--corail);color:#fff;box-shadow:0 4px 16px rgba(242,154,131,0.35)}
.btn-primary:hover{background:var(--corail-hover);transform:translateY(-1px);box-shadow:0 8px 24px rgba(242,154,131,0.45)}
.btn-outline{background:transparent;color:var(--navy);border:1.5px solid var(--border)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}

.page-banner{width:100%;height:280px;overflow:hidden;border-radius:0 0 24px 24px;margin-bottom:-40px;position:relative}
.page-banner img{width:100%;height:100%;object-fit:cover}
.page-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,41,91,0) 40%,rgba(18,41,91,0.06) 100%)}
.page{padding:140px 0 80px}
.page-container{max-width:720px;margin:0 auto}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:24px;display:flex;align-items:center;gap:8px}
.breadcrumb a{color:var(--text-3);transition:color .2s}.breadcrumb a:hover{color:var(--blue)}
.breadcrumb svg{width:14px;height:14px;stroke:var(--text-3);fill:none;stroke-width:2}
.page h1{font-family:var(--font-display);font-size:clamp(32px,4vw,48px);font-weight:800;letter-spacing:-1.5px;color:var(--navy);margin-bottom:16px;line-height:1.1}
.page .lead{font-size:17px;color:var(--text-3);margin-bottom:40px;line-height:1.7}
.page h2{font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--navy);margin:48px 0 16px;letter-spacing:-.5px}
.page h3{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--navy);margin:32px 0 12px}
.page p{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.page ul,.page ol{margin:0 0 20px 20px;font-size:15px;color:var(--text-2);line-height:2}
.page a:not(.btn){color:var(--blue);font-weight:500;transition:color .2s}.page a:not(.btn):hover{color:var(--blue-light)}
.page-cta{display:flex;gap:12px;margin:32px 0;flex-wrap:wrap}
.page-img{width:100%;border-radius:16px;margin:32px 0;box-shadow:var(--shadow)}
.highlight-box{background:var(--white);border:1px solid var(--border);border-radius:16px;padding:28px;margin:24px 0}
.highlight-box h3{margin-top:0}
.cross-links{margin:56px 0 0;padding:32px 0;border-top:1px solid var(--border-light)}
.cross-links h4{font-family:var(--font-display);font-size:14px;font-weight:700;color:var(--navy);margin-bottom:16px}
.cross-links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.cross-link{display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:12px;background:var(--white);border:1px solid var(--border-light);transition:all .25s;font-size:13px;font-weight:500;color:var(--navy)}
.cross-link:hover{border-color:var(--blue);transform:translateX(4px);box-shadow:var(--shadow)}
.cross-link svg{width:16px;height:16px;stroke:var(--blue);fill:none;stroke-width:2;flex-shrink:0}

footer{padding:40px 0 24px;border-top:1px solid var(--border-light);background:var(--cream)}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-inner p{font-size:12px;color:var(--text-3)}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{font-size:12px;color:var(--text-3);transition:color .2s}.footer-links a:hover{color:var(--blue)}

.whatsapp-fab{position:fixed;bottom:24px;right:24px;z-index:900;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,0.35);transition:all .3s var(--ease)}
.whatsapp-fab:hover{transform:scale(1.08) translateY(-2px)}
.whatsapp-fab svg{width:28px;height:28px;fill:#fff}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease-out)}
.reveal.v{opacity:1;transform:translateY(0)}

@media(max-width:1024px){
  header{top:8px;width:calc(100% - 32px)}.header-inner{padding:0 20px;height:56px}
  #nav{display:none;position:fixed;top:74px;left:16px;right:16px;background:rgba(250,248,245,0.97);border:1px solid var(--border);border-radius:16px;backdrop-filter:blur(24px);flex-direction:column;padding:20px;gap:4px;z-index:999;box-shadow:var(--shadow-xl)}
  #nav.open{display:flex}.menu-toggle{display:flex}
  #nav a{padding:12px 14px;font-size:15px}
}
@media(max-width:768px){
  .page{padding:100px 0 60px}
  .page-banner{height:200px}
  .page-cta{flex-direction:column}.page-cta .btn{justify-content:center}
  .cross-links-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:12px;text-align:center}
  .footer-links{justify-content:center}
  footer{padding-bottom:80px}
}

.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px}
.blog-card{display:flex;flex-direction:column;border-radius:16px;background:var(--white);border:1px solid var(--border);overflow:hidden;transition:all .5s cubic-bezier(.22,1,.36,1);position:relative}
.blog-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(18,41,91,0.08);border-color:var(--blue-soft)}
.blog-card img{width:100%;height:200px;object-fit:cover;transition:transform .8s cubic-bezier(.22,1,.36,1)}
.blog-card:hover img{transform:scale(1.05)}
.blog-card-body{padding:24px 24px 20px;display:flex;flex-direction:column;flex:1}
.blog-card-tag{font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--blue);margin-bottom:12px;display:inline-block;align-self:flex-start;padding:5px 10px;background:var(--blue-pale);border-radius:6px}
.blog-card h3{font-family:var(--font-display);font-size:16px;font-weight:700;color:var(--navy);margin-bottom:10px;line-height:1.35;letter-spacing:-.4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.blog-card p{font-size:13px;color:var(--text-3);line-height:1.6;margin-bottom:16px;flex:1}
.blog-card-meta{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--border-light)}
.blog-card-meta .dot{opacity:.5}
@media(max-width:768px){.blog-grid{grid-template-columns:1fr}}

.wa-popup{position:fixed;bottom:92px;right:24px;z-index:901;width:320px;background:var(--white);border-radius:20px;box-shadow:0 12px 48px rgba(18,41,91,0.15);border:1px solid var(--border-light);opacity:0;transform:translateY(16px) scale(0.95);pointer-events:none;transition:all .35s cubic-bezier(.22,1,.36,1);transform-origin:bottom right}
.wa-popup.open{opacity:1;transform:translateY(0) scale(1);pointer-events:all}
.wa-popup-header{background:var(--navy);padding:18px 20px;border-radius:20px 20px 0 0;display:flex;align-items:center;gap:12px}
.wa-popup-avatar{width:40px;height:40px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;color:#fff;font-size:16px;flex-shrink:0}
.wa-popup-header div strong{color:#fff;font-size:14px;display:block;font-weight:600}
.wa-popup-header div span{color:rgba(255,255,255,0.6);font-size:11px}
.wa-popup-close{margin-left:auto;color:rgba(255,255,255,0.5);font-size:20px;cursor:pointer;padding:4px;line-height:1;transition:color .2s}.wa-popup-close:hover{color:#fff}
.wa-popup-body{padding:20px}
.wa-popup-bubble{background:var(--cream);border-radius:0 14px 14px 14px;padding:14px 16px;font-size:14px;color:var(--text);line-height:1.5;margin-bottom:16px;position:relative}
.wa-popup-bubble::before{content:'';position:absolute;top:0;left:-6px;width:0;height:0;border-top:6px solid var(--cream);border-left:6px solid transparent}
.wa-popup-options{display:flex;flex-direction:column;gap:8px}
.wa-popup-opt{display:block;text-align:left;padding:12px 16px;border-radius:12px;background:transparent;border:1.5px solid var(--border);font-size:13px;font-weight:500;color:var(--navy);cursor:pointer;transition:all .25s;font-family:var(--font)}
.wa-popup-opt:hover{border-color:var(--blue);background:rgba(18,41,91,0.03);transform:translateX(4px)}
.wa-popup-free{text-align:center;margin-top:12px;font-size:11px;color:var(--text-3)}
@media(max-width:480px){.wa-popup{right:12px;left:12px;width:auto;bottom:88px}}

/* Article meta - signature, date, reading time */
.article-meta{display:flex;align-items:center;gap:14px;padding:16px 0;margin:0 0 28px;border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light);font-size:13px;color:var(--text-3);flex-wrap:wrap}
.article-author{display:flex;align-items:center;gap:10px}
.article-avatar{width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:13px;flex-shrink:0}
.article-author-info{display:flex;flex-direction:column;line-height:1.3}
.article-author-name{font-weight:600;color:var(--navy);font-size:13px}
.article-author-role{font-size:11px;color:var(--text-3)}
.article-meta-sep{width:1px;height:24px;background:var(--border-light)}
.article-meta-item{display:flex;align-items:center;gap:6px}
.article-meta-item svg{width:14px;height:14px;stroke:var(--text-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* TOC - table of contents */
.toc{margin:0 0 32px;padding:20px 24px;background:var(--cream);border-radius:12px;border:1px solid var(--border-light)}
.toc-title{font-family:var(--font-display);font-size:13px;font-weight:700;color:var(--navy);text-transform:uppercase;letter-spacing:1px;margin:0 0 10px;display:flex;align-items:center;gap:8px}
.toc-title svg{width:14px;height:14px;stroke:var(--blue);fill:none;stroke-width:2}
.toc-list{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc-list li{counter-increment:toc;padding:5px 0;font-size:13px}
.toc-list li::before{content:counter(toc, decimal-leading-zero);color:var(--blue);font-weight:600;margin-right:10px;font-family:var(--font-display)}
.toc-list a{color:var(--text-2);transition:color .2s}
.toc-list a:hover{color:var(--blue)}

/* Article image hero */
.article-hero-img{width:100%;border-radius:16px;margin:0 0 32px;aspect-ratio:16/9;object-fit:cover;box-shadow:var(--shadow)}

/* Article signature at end */
.article-signature{margin:48px 0 0;padding:24px;background:var(--cream);border-radius:14px;display:flex;align-items:center;gap:16px}
.article-signature .article-avatar{width:56px;height:56px;font-size:20px}
.article-signature-content h4{font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--navy);margin:0 0 4px}
.article-signature-content p{font-size:13px;color:var(--text-3);margin:0;line-height:1.5}

@media(max-width:480px){
  .article-meta{font-size:12px;gap:10px}
  .article-meta-sep{display:none}
  .toc{padding:16px 18px}
  .article-signature{flex-direction:column;text-align:center}
}