:root{
  --ink:#0d2235;--blue:#0b5f9e;--blue2:#0b7fc2;--gold:#c99a43;--paper:#fbfcfe;--soft:#edf5fb;--muted:#647789;--line:#dbe6ee;
  --shadow:0 18px 50px rgba(12,48,76,.12);--radius:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Segoe UI",Tahoma,Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.85}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin:auto}
.topbar{background:#071d30;color:#fff;font-size:.92rem}.topbar .container{display:flex;justify-content:space-between;gap:18px;padding:7px 0}.topbar a{color:#cfeaff}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav .container{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 0}.brand{font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;display:grid;place-items:center;font-weight:900}.menu{display:flex;gap:20px;align-items:center;font-size:.95rem}.menu a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:13px;border:1px solid transparent;font-weight:700;cursor:pointer;transition:.2s}.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue2));color:white;box-shadow:0 10px 24px rgba(11,95,158,.22)}.btn-primary:hover{transform:translateY(-1px)}.btn-ghost{border-color:var(--line);background:white}.btn-gold{background:var(--gold);color:#142536}
.hero{padding:72px 0 54px;background:radial-gradient(circle at 20% 10%,#e6f6ff 0,transparent 35%),linear-gradient(180deg,#fff,#f5faff)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}.eyebrow{display:inline-block;background:#eaf6ff;color:var(--blue);padding:6px 12px;border-radius:999px;font-weight:800;font-size:.88rem}.hero h1{font-size:clamp(2.3rem,5vw,4.7rem);line-height:1.08;margin:18px 0 14px;letter-spacing:-.04em}.hero h1 .en{display:block;font-size:.42em;letter-spacing:0;color:var(--blue);margin-top:12px}.lead{font-size:1.14rem;color:#31495d;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.cover-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:20px;box-shadow:var(--shadow);transform:rotate(1.2deg)}.cover-card img{border-radius:18px}.mini-note{font-size:.85rem;color:var(--muted);margin-top:12px;text-align:center}
.section{padding:72px 0}.section.soft{background:var(--soft)}.section h2{font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.25;margin:0 0 14px}.section-head{max-width:780px;margin-bottom:34px}.section-head p{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 24px rgba(12,48,76,.05)}.card h3{margin:8px 0 8px}.card p{color:var(--muted);margin:0}.icon{width:44px;height:44px;border-radius:14px;background:#e9f5fd;color:var(--blue);display:grid;place-items:center;font-weight:900}
.chapters{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.chapter{display:flex;gap:16px;background:white;border:1px solid var(--line);padding:18px;border-radius:16px;align-items:flex-start}.chapter-num{min-width:44px;height:44px;border-radius:12px;background:#0d2235;color:white;display:grid;place-items:center;font-weight:800}.chapter strong{display:block}.chapter small{color:var(--blue)}
.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}.metric{background:#071d30;color:white;padding:22px;border-radius:18px;text-align:center}.metric b{font-size:1.55rem;display:block}.metric span{font-size:.9rem;color:#b8cddd}
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.reader-demo{background:#071d30;border-radius:24px;padding:18px;box-shadow:var(--shadow)}.reader-toolbar{display:flex;justify-content:space-between;color:#dbeaff;font-size:.9rem;padding:2px 4px 12px}.page-shell{position:relative;background:#fff;border-radius:12px;overflow:hidden}.page-shell img{width:100%;user-select:none;-webkit-user-drag:none}.wm{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;color:rgba(11,95,158,.14);font-size:clamp(1.3rem,4vw,3rem);font-weight:900;transform:rotate(-26deg)}
.tags{display:flex;gap:8px;flex-wrap:wrap}.tag{padding:7px 10px;border-radius:999px;background:white;border:1px solid var(--line);font-size:.86rem}
.cta{background:linear-gradient(135deg,#071d30,#0b5f9e);color:#fff;border-radius:28px;padding:42px;display:flex;justify-content:space-between;gap:28px;align-items:center}.cta p{color:#d5e8f5;margin-bottom:0}.cta .btn{white-space:nowrap}
.footer{padding:38px 0;background:#061725;color:#d8e5ed;margin-top:70px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footer small,.footer p{color:#9db3c2}.footer a{color:#d8e5ed}
.page-hero{padding:52px 0 34px;background:linear-gradient(180deg,#eff8fd,#fff)}.page-hero h1{font-size:clamp(2rem,4vw,3.3rem);margin:0 0 10px}.content-grid{display:grid;grid-template-columns:1fr 310px;gap:28px}.sidebox{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;position:sticky;top:92px;height:max-content}.toc{display:grid;gap:12px}.toc a{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#fff}.toc a:hover{border-color:#98cbe7;background:#f5fbff}
.term-table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}.term-table th,.term-table td{padding:14px;border-bottom:1px solid var(--line);text-align:right}.term-table th{background:#0d2235;color:white}.term-table tr:last-child td{border-bottom:0}
.form{background:#fff;border:1px solid var(--line);padding:26px;border-radius:20px}.field{margin-bottom:15px}.field label{display:block;font-weight:700;margin-bottom:6px}.field input,.field textarea,.field select{width:100%;padding:12px 13px;border:1px solid #cfdde7;border-radius:11px;font:inherit;background:#fff}.field textarea{min-height:130px;resize:vertical}.notice{padding:14px 16px;border-radius:14px;background:#fff8e7;border:1px solid #ecd398;color:#70541c}
.lang-badge{display:inline-flex;gap:6px;align-items:center;background:#0d2235;color:white;padding:5px 10px;border-radius:999px;font-size:.78rem}.lock-note{font-size:.88rem;color:#a9c0cf}.reader-page{max-width:900px;margin:40px auto}.reader-page .reader-demo{padding:14px}.reader-controls{display:flex;justify-content:center;gap:10px;margin-top:15px}.reader-controls button{padding:10px 14px;border-radius:10px;border:1px solid #c9d8e3;background:white;cursor:pointer}
@media(max-width:900px){.menu{display:none}.hero-grid,.split,.content-grid{grid-template-columns:1fr}.cover-card{max-width:520px;margin:auto}.cards{grid-template-columns:1fr 1fr}.feature-strip{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.sidebox{position:static}.cta{flex-direction:column;align-items:flex-start}}
@media(max-width:620px){.cards,.chapters{grid-template-columns:1fr}.feature-strip{grid-template-columns:1fr 1fr}.hero{padding-top:42px}.hero h1{font-size:2.4rem}.topbar .container{font-size:.78rem}.cta{padding:28px}.section{padding:52px 0}}

/* Full Chapter 1 preview reader */
.chapter-reader{max-width:980px;margin:20px auto 0}.chapter-reader .page-shell{max-width:860px;margin:0 auto;background:#eef2f7;padding:14px;border-radius:18px;box-shadow:0 16px 44px rgba(10,35,66,.12)}
.chapter-reader .page-shell img{width:100%;height:auto;display:block;border-radius:8px;background:white;user-select:none;-webkit-user-select:none;-webkit-user-drag:none;pointer-events:none}
.chapter-reader .reader-toolbar{position:sticky;top:8px;z-index:20;gap:12px;flex-wrap:wrap}
.chapter-reader .reader-controls{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:16px 0 4px}
.chapter-reader .reader-controls button,.chapter-reader .reader-controls select{border:1px solid #d7e0ea;background:#fff;border-radius:10px;padding:10px 14px;font:inherit;cursor:pointer}
.chapter-reader .reader-controls button:disabled{opacity:.45;cursor:not-allowed}
.chapter-reader .page-status{font-weight:700;min-width:110px;text-align:center}
.chapter-reader .chapter-badge{display:inline-flex;align-items:center;gap:6px;background:#eaf4ff;color:#0f4f86;border-radius:999px;padding:7px 11px;font-weight:700}
.reader-intro{max-width:980px;margin:0 auto 14px}.reader-intro h1{margin-bottom:8px}.reader-intro p{margin-top:0}
@media(max-width:700px){.chapter-reader .page-shell{padding:6px;border-radius:10px}.chapter-reader .reader-toolbar{position:static}.chapter-reader .reader-controls button{padding:9px 11px}.reader-page{padding-left:10px;padding-right:10px}}

/* Final site additions */
.mobile-toggle{display:none;border:0;background:#eef6fb;border-radius:10px;padding:8px 11px;font-size:1.3rem}.cards.two{grid-template-columns:repeat(2,1fr)}.article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px}.article h2{margin-top:28px}.article h2:first-child{margin-top:0}.side-cover{border-radius:14px}.full{width:100%;margin-top:10px}.seo-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.seo-links a{background:#fff;border:1px solid var(--line);padding:16px 18px;border-radius:14px;font-weight:700}.seo-links a span{display:block;color:var(--blue);font-size:.85rem}.text-link{display:inline-block;color:var(--blue);font-weight:800;margin-top:12px}.free-pill,.locked-pill{display:inline-block;margin-top:10px;padding:4px 9px;border-radius:999px;font-size:.78rem;font-weight:800}.free-pill{background:#e6f7ed;color:#176a3a}.locked-pill{background:#eef2f6;color:#5b6873}.searchbox{margin-bottom:16px}.searchbox input{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;font:inherit;background:#fff}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:34px}.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}.step>span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:900;margin-bottom:9px}.step p{margin:4px 0 0;color:var(--muted);font-size:.9rem}.purchase-grid{align-items:start}.bank-card{margin-bottom:18px}.future-card{background:#f5f9fc}.order-box{margin-top:18px;padding:18px;border:1px solid #bad7e9;background:#f3fbff;border-radius:15px}.order-box textarea{width:100%;min-height:235px;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit;direction:rtl}.faq-list{display:grid;gap:12px;max-width:900px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px 18px}.faq-list summary{font-weight:800;cursor:pointer}.faq-list p{color:var(--muted)}.spaced{margin-top:36px}
@media print{.protected,.reader-page{display:none!important}}
@media(max-width:900px){.mobile-toggle{display:block}.menu{display:none;position:absolute;top:64px;left:4%;right:4%;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:16px;border-radius:16px;flex-direction:column;align-items:stretch}.menu-open .menu{display:flex}.seo-links{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.cards.two{grid-template-columns:1fr}}
@media(max-width:620px){.steps{grid-template-columns:1fr}}