*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue:#2563EB; --blue-dark:#1d4ed8; --teal:#14B8A6; --coral:#FB7185;
  --navy:#0B1F3B; --offwhite:#F8FAFC; --white:#ffffff;
  --gray-100:#f1f5f9; --gray-300:#cbd5e1; --gray-500:#64748b;
  --gray-700:#334155; --gray-900:#0f172a;
  --radius-md:14px; --radius-lg:20px;
  --shadow-card:0 2px 24px rgba(11,31,59,0.07);
  --shadow-hover:0 8px 40px rgba(37,99,235,0.14);
}
html { scroll-behavior: smooth; }
body { font-family:'DM Sans',sans-serif; background:var(--offwhite); color:var(--gray-900); line-height:1.6; -webkit-font-smoothing:antialiased; }

/* NAV */
nav { position:fixed; top:0; left:0; right:0; z-index:100; background:rgba(248,250,252,0.92); backdrop-filter:blur(16px); border-bottom:1px solid rgba(203,213,225,0.4); padding:0 24px; }
.nav-inner { max-width:1200px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; height:64px; gap:16px; }
.nav-logo { display:flex; align-items:center; text-decoration:none; }
.nav-links { display:flex; align-items:center; gap:8px; list-style:none; }
.nav-links a { text-decoration:none; color:var(--gray-700); font-size:14px; font-weight:500; padding:6px 14px; border-radius:8px; transition:color .2s,background .2s; }
.nav-links a:hover { color:var(--blue); background:rgba(37,99,235,0.06); }
.nav-cta { background:var(--blue); color:white; padding:10px 22px; border-radius:10px; font-weight:700; font-size:14px; font-family:'DM Sans',sans-serif; border:none; cursor:pointer; transition:background .2s,transform .15s; }
.nav-cta:hover { background:var(--blue-dark); transform:translateY(-1px); }
@media (max-width:860px) { .nav-links { display:none; } }

/* ARTICLE LAYOUT */
.article-wrap { max-width:760px; margin:0 auto; padding:100px 24px 80px; }
.breadcrumb { font-size:13px; color:var(--gray-500); margin-bottom:32px; display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.breadcrumb a { color:var(--blue); text-decoration:none; }
.breadcrumb a:hover { text-decoration:underline; }
.breadcrumb span { color:var(--gray-300); }
.article-title { font-family:'DM Serif Display',serif; font-size:clamp(32px,5vw,48px); line-height:1.1; color:var(--navy); margin-bottom:16px; }
.article-subtitle { font-size:18px; color:var(--gray-500); line-height:1.7; margin-bottom:24px; max-width:620px; }
.article-meta { display:flex; align-items:center; gap:16px; font-size:13px; color:var(--gray-500); margin-bottom:40px; flex-wrap:wrap; }
.article-meta-dot { width:4px; height:4px; background:var(--gray-300); border-radius:50%; }
.article-meta strong { color:var(--navy); }
.article-category { display:inline-flex; align-items:center; gap:6px; font-size:11px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; padding:5px 12px; border-radius:100px; margin-bottom:20px; }
.article-category::before { content:''; width:6px; height:6px; border-radius:50%; }

/* QUICK ANSWER */
.quick-answer { border-radius:var(--radius-lg); padding:28px 32px; margin-bottom:40px; }
.quick-answer-label { font-size:11px; font-weight:700; letter-spacing:0.09em; text-transform:uppercase; margin-bottom:10px; }
.quick-answer-title { font-family:'DM Serif Display',serif; font-size:20px; color:var(--navy); margin-bottom:12px; }
.quick-answer p { font-size:15px; color:var(--gray-700); line-height:1.75; margin-bottom:10px; }
.quick-answer ul, .quick-answer ol { list-style:none; display:flex; flex-direction:column; gap:6px; }
.quick-answer ul li, .quick-answer ol li { font-size:14px; color:var(--gray-700); display:flex; align-items:center; gap:10px; }

/* TOC */
.toc { background:white; border:1px solid var(--gray-300); border-radius:var(--radius-md); padding:24px 28px; margin-bottom:48px; }
.toc-title { font-size:13px; font-weight:700; letter-spacing:0.07em; text-transform:uppercase; color:var(--navy); margin-bottom:14px; }
.toc ol { list-style:none; counter-reset:toc-counter; display:flex; flex-direction:column; gap:8px; }
.toc ol li { counter-increment:toc-counter; display:flex; align-items:center; gap:10px; }
.toc ol li::before { content:counter(toc-counter,decimal-leading-zero); font-size:11px; font-weight:700; color:var(--teal); min-width:22px; }
.toc ol li a { font-size:14px; color:var(--blue); text-decoration:none; }
.toc ol li a:hover { color:var(--navy); text-decoration:underline; }

/* ARTICLE BODY */
.article-body { font-size:16px; color:var(--gray-700); line-height:1.8; }
.article-body h2 { font-family:'DM Serif Display',serif; font-size:clamp(22px,3vw,28px); color:var(--navy); margin:52px 0 18px; line-height:1.2; }
.article-body h3 { font-size:18px; font-weight:700; color:var(--navy); margin:32px 0 12px; }
.article-body p { margin-bottom:20px; }
.article-body ul, .article-body ol { margin:0 0 20px; list-style:none; display:flex; flex-direction:column; gap:8px; }
.article-body ul li, .article-body ol li { display:flex; align-items:flex-start; gap:12px; font-size:15px; color:var(--gray-700); }
.article-body ul li::before { content:''; width:8px; height:8px; background:linear-gradient(135deg,var(--teal),var(--blue)); border-radius:50%; flex-shrink:0; margin-top:8px; }
.article-body ol { counter-reset:ol-counter; }
.article-body ol li { counter-increment:ol-counter; }
.article-body ol li::before { content:counter(ol-counter); min-width:26px; height:26px; background:rgba(37,99,235,0.08); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:700; color:var(--blue); flex-shrink:0; margin-top:2px; }
.article-body strong { color:var(--navy); font-weight:700; }
.article-body a { color:var(--blue); text-decoration:none; border-bottom:1px solid rgba(37,99,235,0.25); }
.article-body a:hover { border-color:var(--blue); }
.article-divider { border:none; border-top:1px solid var(--gray-100); margin:40px 0; }

/* REFLECTION BOX */
.reflection-box { background:var(--offwhite); border-left:4px solid var(--teal); border-radius:0 var(--radius-md) var(--radius-md) 0; padding:28px 32px; margin:40px 0; }
.reflection-box-title { font-family:'DM Serif Display',serif; font-size:20px; color:var(--navy); margin-bottom:16px; font-style:italic; }
.reflection-box p { font-size:15px; color:var(--gray-700); line-height:1.75; margin-bottom:14px; }
.reflection-box ul { list-style:none; display:flex; flex-direction:column; gap:8px; margin:0; }
.reflection-box ul li { font-size:15px; color:var(--gray-700); display:flex; align-items:flex-start; gap:10px; }
.reflection-box ul li::before { content:'?'; width:22px; height:22px; background:rgba(20,184,166,0.12); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:800; color:var(--teal); flex-shrink:0; margin-top:1px; }

/* PRODUCT MENTION */
.product-mention { background:white; border:1px solid rgba(37,99,235,0.12); border-radius:var(--radius-lg); padding:28px 32px; margin:40px 0; }
.product-mention-label { font-size:11px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--blue); margin-bottom:10px; }
.product-mention h3 { font-family:'DM Serif Display',serif; font-size:20px; color:var(--navy); margin-bottom:12px; }
.product-mention p { font-size:15px; color:var(--gray-500); line-height:1.75; margin-bottom:14px; }
.product-mention ul { list-style:none; display:flex; flex-direction:column; gap:7px; margin-bottom:0; }
.product-mention ul li { font-size:14px; color:var(--gray-700); display:flex; align-items:center; gap:10px; }
.product-mention ul li::before { content:''; width:7px; height:7px; background:var(--teal); border-radius:50%; flex-shrink:0; }

/* CONVERSION BLOCK */
.conversion-block { background:var(--navy); border-radius:var(--radius-lg); padding:36px 40px; margin:48px 0; text-align:center; position:relative; overflow:hidden; }
.conversion-block::before { content:''; position:absolute; inset:0; background:radial-gradient(ellipse at 50% 0%,rgba(20,184,166,0.15) 0%,transparent 60%); pointer-events:none; }
.conversion-block-inner { position:relative; z-index:1; }
.conversion-block h3 { font-family:'DM Serif Display',serif; font-size:24px; color:white; margin-bottom:10px; line-height:1.2; }
.conversion-block h3 em { font-style:italic; color:var(--teal); }
.conversion-block p { font-size:15px; color:rgba(255,255,255,0.65); margin-bottom:24px; line-height:1.65; }
.btn-primary { display:inline-flex; align-items:center; gap:8px; background:var(--blue); color:white; font-family:'DM Sans',sans-serif; font-size:15px; font-weight:700; padding:14px 28px; border-radius:12px; text-decoration:none; border:none; cursor:pointer; transition:background .2s,transform .15s,box-shadow .2s; box-shadow:0 4px 20px rgba(37,99,235,0.3); }
.btn-primary:hover { background:var(--blue-dark); transform:translateY(-1px); box-shadow:0 8px 28px rgba(37,99,235,0.4); border-bottom:none; }

/* RELATED ARTICLES */
.related-articles { margin:48px 0; }
.related-title { font-size:13px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--navy); margin-bottom:16px; }
.related-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.related-card { background:white; border:1px solid var(--gray-300); border-radius:var(--radius-md); padding:20px; text-decoration:none; display:flex; flex-direction:column; gap:6px; transition:box-shadow .2s,transform .2s,border-color .2s; }
.related-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-2px); border-color:rgba(37,99,235,0.2); border-bottom:1px solid rgba(37,99,235,0.2); }
.related-card-label { font-size:11px; font-weight:700; letter-spacing:0.07em; text-transform:uppercase; color:var(--teal); }
.related-card-title { font-size:14px; font-weight:700; color:var(--navy); line-height:1.4; }
.related-card-arrow { font-size:13px; color:var(--blue); margin-top:4px; }

/* FAQ */
.faq-section { margin:48px 0; }
.faq-title { font-family:'DM Serif Display',serif; font-size:26px; color:var(--navy); margin-bottom:24px; }
.faq-item { border-bottom:1px solid var(--gray-100); padding:20px 0; }
.faq-item:last-child { border-bottom:none; }
.faq-q { font-size:16px; font-weight:700; color:var(--navy); margin-bottom:10px; line-height:1.4; }
.faq-a { font-size:15px; color:var(--gray-500); line-height:1.75; }

/* FOOTER */
footer { background:#07152a; padding:48px 24px 36px; margin-top:80px; }
.footer-inner { max-width:1200px; margin:0 auto; display:flex; align-items:flex-start; justify-content:space-between; flex-wrap:wrap; gap:24px; }
.footer-logo { font-size:16px; font-weight:700; color:rgba(255,255,255,0.7); margin-bottom:4px; }
.footer-email a { color:rgba(255,255,255,0.5); font-size:13px; text-decoration:none; }
.footer-copy { font-size:12px; color:rgba(255,255,255,0.25); margin-top:4px; }
.footer-links { display:flex; gap:20px; flex-wrap:wrap; align-items:center; }
.footer-links a { color:rgba(255,255,255,0.4); font-size:13px; text-decoration:none; transition:color .2s; }
.footer-links a:hover { color:rgba(255,255,255,0.8); }

/* MODAL */
.modal-overlay { position:fixed; inset:0; z-index:1000; background:rgba(11,31,59,0.65); backdrop-filter:blur(8px); display:flex; align-items:center; justify-content:center; padding:24px; opacity:0; pointer-events:none; transition:opacity .25s ease; }
.modal-overlay.open { opacity:1; pointer-events:all; }
.modal { background:white; border-radius:24px; padding:48px 44px 40px; max-width:520px; width:100%; position:relative; box-shadow:0 32px 80px rgba(11,31,59,0.25); transform:translateY(20px) scale(0.97); transition:transform .3s ease; }
.modal-overlay.open .modal { transform:translateY(0) scale(1); }
.modal-close { position:absolute; top:18px; right:20px; width:32px; height:32px; background:var(--gray-100); border:none; border-radius:50%; cursor:pointer; font-size:16px; color:var(--gray-500); display:flex; align-items:center; justify-content:center; }
.modal-close:hover { background:var(--gray-300); }
.modal-badge { display:inline-flex; align-items:center; gap:6px; background:linear-gradient(90deg,rgba(37,99,235,0.08),rgba(20,184,166,0.08)); border:1px solid rgba(37,99,235,0.15); color:var(--blue); font-size:11px; font-weight:700; letter-spacing:0.07em; text-transform:uppercase; padding:5px 12px; border-radius:100px; margin-bottom:20px; }
.modal-badge::before { content:''; width:6px; height:6px; background:var(--teal); border-radius:50%; }
.modal-title { font-family:'DM Serif Display',serif; font-size:28px; color:var(--navy); margin-bottom:10px; }
.modal-sub { font-size:15px; color:var(--gray-500); line-height:1.65; margin-bottom:24px; }
.modal-benefits { list-style:none; margin-bottom:28px; display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.modal-benefits li { display:flex; align-items:center; gap:8px; font-size:14px; color:var(--gray-700); font-weight:500; }
.modal-benefits li::before { content:'✓'; width:20px; height:20px; flex-shrink:0; background:linear-gradient(135deg,rgba(20,184,166,0.15),rgba(37,99,235,0.1)); border-radius:6px; display:flex; align-items:center; justify-content:center; color:var(--teal); font-size:11px; font-weight:800; }
.modal-divider { border:none; border-top:1px solid var(--gray-100); margin:0 0 24px; }
.waitlist-form { display:flex; flex-direction:column; gap:12px; }
.email-input { width:100%; padding:14px 18px; font-family:'DM Sans',sans-serif; font-size:15px; border:1.5px solid var(--gray-300); border-radius:12px; color:var(--navy); background:var(--offwhite); outline:none; transition:border-color .2s,box-shadow .2s; }
.email-input:focus { border-color:var(--blue); box-shadow:0 0 0 4px rgba(37,99,235,0.1); }
.modal-submit { width:100%; padding:15px; font-family:'DM Sans',sans-serif; font-size:16px; font-weight:700; background:var(--blue); color:white; border:none; border-radius:12px; cursor:pointer; display:flex; align-items:center; justify-content:center; gap:8px; transition:background .2s,transform .15s; box-shadow:0 4px 20px rgba(37,99,235,0.25); }
.modal-submit:hover { background:var(--blue-dark); transform:translateY(-1px); }
.modal-submit:disabled { opacity:.65; cursor:not-allowed; transform:none; }
.modal-spam { font-size:12px; color:var(--gray-500); text-align:center; }
.modal-success { text-align:center; padding:20px 0; display:none; }
.modal-success.visible { display:block; }
.success-emoji { font-size:48px; margin-bottom:16px; }
.success-title { font-family:'DM Serif Display',serif; font-size:26px; color:var(--navy); margin-bottom:10px; }
.success-body { font-size:15px; color:var(--gray-500); line-height:1.7; }

@media (max-width:640px) {
  .related-grid { grid-template-columns:1fr; }
  .modal { padding:36px 24px 28px; }
  .modal-benefits { grid-template-columns:1fr; }
  .conversion-block { padding:28px 24px; }
}