:root {
  --primary: #0A4A2E;
  --primary-dark: #042215;
  --primary-light: #106842;
  --accent: #25D366;
  --accent-gold: #f59e0b;
  --bg-main: #ffffff;
  --bg-alt: #f8faf9;
  --bg-subtle: #f0f7f4;
  --border-light: #e5ede8;
  --border-strong: #b8d8c4;
  --text-main: #111827;
  --text-muted: #4b5563;
  --text-light: #6b7280;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 14px rgba(10,74,46,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Space Grotesk',sans-serif;color:var(--text-main);line-height:1.75;background:var(--bg-main);font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--primary-light);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}

/* Header & Nav */
.navbar{background:#fff;border-bottom:1px solid var(--border-light);padding:14px 0;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}
.navbar .inner{display:flex;justify-content:space-between;align-items:center}
.nav-logo{font-family:'Syne',sans-serif;font-weight:800;color:var(--primary);font-size:20px;letter-spacing:-0.5px;display:flex;align-items:center;gap:8px}
.nav-logo span{color:var(--accent-gold)}
.nav-links{display:flex;gap:24px;list-style:none;font-size:15px;align-items:center}
.nav-links a{color:var(--text-muted);font-weight:500}
.nav-links a:hover{color:var(--primary)}
.btn-wa-sm{background:var(--accent);color:#fff;padding:9px 20px;border-radius:var(--radius-sm);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:transform .2s,box-shadow .2s}
.btn-wa-sm:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,211,102,0.3);color:#fff}

/* Container */
.container{max-width:1160px;margin:0 auto;padding:0 24px}

/* Hero Section */
.hero{background:linear-gradient(135deg, #042215 0%, #0A4A2E 60%, #106842 100%);color:#fff;padding:64px 0 52px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;right:0;width:50%;height:100%;background:radial-gradient(circle at 70% 30%, rgba(37,211,102,0.12) 0%, transparent 60%);pointer-events:none}
.breadcrumb{list-style:none;display:flex;gap:8px;padding:0;margin-bottom:20px;font-size:13px;opacity:.8}
.breadcrumb a{color:#fff;opacity:.8}
.breadcrumb a:hover{opacity:1;text-decoration:underline}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.25);border-radius:30px;padding:6px 16px;font-size:13px;font-weight:700;color:#86efac;margin-bottom:20px;letter-spacing:0.5px;text-transform:uppercase}
.hero h1{font-family:'Syne',sans-serif;font-size:clamp(32px,4.5vw,52px);font-weight:800;margin:0 0 18px;line-height:1.15;letter-spacing:-0.5px}
.hero h1 span{color:#86efac}
.hero-lead{font-size:clamp(16px,2vw,19px);opacity:.92;max-width:840px;margin:0 0 32px;line-height:1.75;font-weight:400}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;background:rgba(0,0,0,0.22);border:1px solid rgba(255,255,255,0.12);border-radius:var(--radius-md);padding:16px 24px;margin-bottom:32px;font-size:14px}
.hero-meta-item{display:flex;align-items:center;gap:8px;opacity:.95}
.hero-meta-item strong{color:#86efac}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.btn-primary{background:var(--accent);color:#fff;padding:14px 28px;border-radius:var(--radius-md);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:10px;box-shadow:0 4px 16px rgba(37,211,102,0.3);transition:all .2s}
.btn-primary:hover{background:#1eb956;transform:translateY(-2px);color:#fff}
.btn-outline{background:rgba(255,255,255,0.1);color:#fff;border:1px solid rgba(255,255,255,0.3);padding:14px 28px;border-radius:var(--radius-md);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:all .2s}
.btn-outline:hover{background:rgba(255,255,255,0.2);color:#fff}

/* Main Layout */
.main-wrapper{padding:56px 0 80px;background:var(--bg-main)}
.article-grid{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start}

/* Sidebar & Table of Contents */
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:28px}
.toc-box{background:var(--bg-alt);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm)}
.toc-title{font-family:'Syne',sans-serif;font-size:17px;font-weight:800;color:var(--primary-dark);margin-bottom:16px;display:flex;align-items:center;gap:8px;border-bottom:2px solid var(--border-light);padding-bottom:10px}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:13.5px;max-height:calc(100vh - 280px);overflow-y:auto;padding-right:6px}
.toc-list::-webkit-scrollbar{width:4px}
.toc-list::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}
.toc-list a{color:var(--text-muted);font-weight:500;display:block;padding:4px 8px;border-radius:6px;transition:all .15s ease;line-height:1.4}
.toc-list a:hover{background:var(--bg-subtle);color:var(--primary);padding-left:12px}

.sidebar-cta{background:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);color:#fff;border-radius:var(--radius-md);padding:26px;box-shadow:var(--shadow-md)}
.sidebar-cta h3{font-family:'Syne',sans-serif;font-size:19px;font-weight:800;margin-bottom:12px;line-height:1.3}
.sidebar-cta p{font-size:14px;opacity:.9;margin-bottom:20px;line-height:1.6}
.sidebar-cta .btn-sidebar{background:var(--accent);color:#fff;padding:12px;border-radius:var(--radius-sm);font-weight:700;font-size:14px;display:block;text-align:center;transition:background .2s}
.sidebar-cta .btn-sidebar:hover{background:#1eb956;color:#fff}

/* Article Content Body */
.article-body{max-width:820px;font-size:16.5px;line-height:1.85;color:var(--text-main)}
.article-body h2{font-family:'Syne',sans-serif;font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--primary-dark);margin:48px 0 20px;padding-top:20px;border-top:1px solid var(--border-light);line-height:1.25;letter-spacing:-0.3px}
.article-body h2:first-child{margin-top:0;padding-top:0;border-top:none}
.article-body h3{font-family:'Syne',sans-serif;font-size:clamp(18px,2.2vw,22px);font-weight:700;color:var(--primary);margin:32px 0 16px;line-height:1.3}
.article-body h4{font-family:'Space Grotesk',sans-serif;font-size:17px;font-weight:700;color:var(--text-main);margin:24px 0 12px}
.article-body p{margin-bottom:20px;color:#27272a}
.article-body ul,.article-body ol{margin:0 0 24px 24px;color:#27272a}
.article-body li{margin-bottom:10px;padding-left:4px}
.article-body strong{color:var(--primary-dark);font-weight:700}

/* Component Boxes & Styling */
.callout{background:var(--bg-subtle);border-left:4px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:20px 24px;margin:28px 0;font-size:15.5px}
.callout-title{font-weight:700;color:var(--primary-dark);margin-bottom:8px;display:flex;align-items:center;gap:8px;font-size:16.5px}
.callout-warning{background:#fffbe0;border-left-color:var(--accent-gold)}
.callout-warning .callout-title{color:#92400e}
.callout-tip{background:#eef2ff;border-left-color:#4f46e5}
.callout-tip .callout-title{color:#3730a3}

/* Stepper Component */
.stepper{display:flex;flex-direction:column;gap:20px;margin:32px 0}
.step-item{display:flex;gap:20px;background:var(--bg-alt);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:22px;transition:border-color .2s}
.step-item:hover{border-color:var(--border-strong)}
.step-number{width:44px;height:44px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:800;font-size:18px;flex-shrink:0}
.step-content{flex:1}
.step-title{font-family:'Syne',sans-serif;font-size:18px;font-weight:800;color:var(--primary-dark);margin-bottom:8px}
.step-desc{font-size:15px;color:var(--text-muted);margin:0;line-height:1.6}

/* Custom Data Tables */
.table-responsive{overflow-x:auto;margin:32px 0;border-radius:var(--radius-md);border:1px solid var(--border-light);box-shadow:var(--shadow-sm)}
.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:14.5px}
.data-table th{background:var(--primary-dark);color:#fff;font-family:'Syne',sans-serif;font-weight:700;padding:14px 18px;border-bottom:2px solid var(--primary-light)}
.data-table td{padding:14px 18px;border-bottom:1px solid var(--border-light);color:var(--text-main);vertical-align:top}
.data-table tbody tr:nth-child(even){background:var(--bg-alt)}
.data-table tbody tr:hover{background:var(--bg-subtle)}

/* Cards Grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin:32px 0}
.info-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.info-card-icon{font-size:32px;margin-bottom:14px;display:inline-block}
.info-card-title{font-family:'Syne',sans-serif;font-size:17px;font-weight:800;color:var(--primary-dark);margin-bottom:10px}
.info-card-desc{font-size:14px;color:var(--text-muted);line-height:1.6;margin:0}

/* FAQ Accordion */
.faq-accordion{margin:36px 0;display:flex;flex-direction:column;gap:16px}
.faq-accordion details{background:var(--bg-alt);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:18px 24px;transition:border-color .2s}
.faq-accordion details[open]{background:#fff;border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
.faq-accordion summary{font-family:'Syne',sans-serif;font-size:17.5px;font-weight:700;color:var(--primary-dark);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-accordion summary::-webkit-details-marker{display:none}
.faq-accordion summary::after{content:'+';font-size:24px;font-weight:400;color:var(--primary);transition:transform .2s}
.faq-accordion details[open] summary::after{content:'−';transform:rotate(180deg)}
.faq-answer{margin-top:14px;font-size:15.5px;color:var(--text-muted);line-height:1.75;padding-top:14px;border-top:1px solid var(--border-light)}

/* Section Divider CTA */
.mid-article-cta{background:linear-gradient(135deg,#062E1C 0%,#0A4A2E 100%);color:#fff;border-radius:var(--radius-lg);padding:36px;margin:48px 0;text-align:center;box-shadow:var(--shadow-md)}
.mid-article-cta h3{font-family:'Syne',sans-serif;font-size:24px;font-weight:800;margin-bottom:12px;color:#fff}
.mid-article-cta p{font-size:16px;opacity:.9;max-width:620px;margin:0 auto 24px;line-height:1.6}

/* Footer */
.footer{background:var(--primary-dark);color:#fff;padding:60px 0 30px;border-top:1px solid rgba(255,255,255,0.1)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand h4{font-family:'Syne',sans-serif;font-size:22px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;opacity:.75;line-height:1.7;max-width:400px}
.footer-links h5{font-family:'Syne',sans-serif;font-size:16px;font-weight:700;color:#86efac;margin-bottom:16px}
.footer-links ul{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,0.8)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;text-align:center;font-size:13px;opacity:.6}

@media(max-width:992px){
  .article-grid{grid-template-columns:1fr}
  .sidebar{position:static;order:2;top:auto}
  .article-body{order:1}
  .toc-list{max-height:none}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .hero{padding:40px 0 36px}
  .hero-meta{flex-direction:column;gap:12px;padding:14px 18px}
  .hero-btns{flex-direction:column}
  .btn-primary,.btn-outline{width:100%;justify-content:center}
  .nav-links{display:none}
  .stepper .step-item{flex-direction:column;gap:12px}
}