:root{
  --blue:#064d69;
  --blue2:#07384f;
  --blue3:#0d6d90;
  --yellow:#ffd21f;
  --orange:#f47b34;
  --ink:#13202a;
  --muted:#5c6a76;
  --cream:#fff8e7;
  --paper:#ffffff;
  --soft:#eef8fb;
  --line:rgba(19,32,42,.14);
  --shadow:0 22px 60px rgba(6,77,105,.20);
  --radius:28px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f7fdff 0%,#fff 40%,#fff8e7 100%);line-height:1.65}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.skip-link{position:absolute;left:-999px;top:10px;background:#fff;color:#000;padding:10px 14px;border-radius:12px;z-index:10000}
.skip-link:focus{left:10px}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.90);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--max);margin:auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:950;letter-spacing:-.02em;color:var(--blue2)}
.brand img{height:46px;width:auto;object-fit:contain}
.brand span{font-size:15px;line-height:1.1}.top-nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.top-nav a{font-weight:800;text-decoration:none;color:var(--blue2);font-size:14px;padding:8px 12px;border-radius:999px;background:#f0f9fc;border:1px solid rgba(6,77,105,.10)}
.top-nav a:hover,.top-nav a.active{background:var(--yellow);color:#1d2329;border-color:rgba(0,0,0,.10)}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 15% 10%,rgba(255,210,31,.55),transparent 25%),radial-gradient(circle at 85% 10%,rgba(244,123,52,.35),transparent 26%),linear-gradient(135deg,var(--blue3),var(--blue2) 62%,#052f45);color:#fff}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;opacity:.35;pointer-events:none}.hero-inner{position:relative;z-index:1;max-width:var(--max);margin:auto;padding:70px 20px 72px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:54px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.20);padding:9px 14px;border-radius:999px;font-weight:900;letter-spacing:.01em;box-shadow:0 10px 30px rgba(0,0,0,.12)}.hero h1{font-size:clamp(38px,6vw,72px);line-height:.96;margin:18px 0 18px;letter-spacing:-.055em;text-wrap:balance}.hero .sub{font-size:clamp(19px,2vw,25px);font-weight:780;color:#f9fcff;margin:0 0 14px;max-width:760px;text-wrap:balance}.hero p{color:#e9f7fb;font-size:18px;max-width:730px}.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:28px 0 12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;border-radius:999px;font-weight:950;padding:16px 24px;border:0;box-shadow:0 14px 30px rgba(0,0,0,.18);transition:transform .15s ease,box-shadow .15s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(0,0,0,.24)}.btn-primary{background:linear-gradient(135deg,var(--yellow),#ffb703);color:#111}.btn-secondary{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff}.affiliate{font-size:12px;color:rgba(255,255,255,.78);margin-top:4px}.affiliate.dark{color:var(--muted);text-align:center;font-size:11px;margin:6px 0 0}.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:26px;max-width:760px}.stat{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:13px 12px;min-height:82px}.stat strong{display:block;font-size:24px;line-height:1.05;color:var(--yellow);font-weight:1000}.stat span{display:block;font-size:13px;color:#e9f7fb;font-weight:800}.book-stage{position:relative;display:grid;place-items:center;min-height:540px}.book-stage:before{content:"";position:absolute;width:78%;height:68%;background:radial-gradient(circle,rgba(255,210,31,.32),transparent 68%);filter:blur(20px);transform:translateY(25px)}.book-mockup{position:relative;z-index:2;width:min(360px,82vw);perspective:1200px}.book-cover{position:relative;transform:rotate(-5deg) rotateY(-14deg);transform-origin:center;filter:drop-shadow(0 26px 34px rgba(0,0,0,.38));border-radius:10px}.book-cover img{border-radius:8px;box-shadow:0 0 0 2px rgba(255,255,255,.2)}.book-cover:after{content:"";position:absolute;top:3%;right:-18px;width:18px;height:94%;background:linear-gradient(90deg,#d8e4e8,#8fa4ac);transform:skewY(8deg);border-radius:0 8px 8px 0;box-shadow:8px 10px 18px rgba(0,0,0,.25)}.bubble{position:absolute;z-index:3;background:#fff;color:var(--blue2);font-weight:950;border-radius:999px;padding:10px 14px;box-shadow:0 14px 30px rgba(0,0,0,.18);border:2px solid rgba(255,210,31,.85)}.bubble.one{top:34px;right:20px}.bubble.two{bottom:42px;left:0;background:var(--yellow);color:#111;max-width:190px;text-align:center;line-height:1.08;padding:12px 17px}.section{padding:70px 20px}.section.alt{background:#f0f9fc}.section-inner{max-width:var(--max);margin:auto}.section h2{font-size:clamp(30px,4vw,48px);line-height:1.05;margin:0 0 16px;letter-spacing:-.035em;color:var(--blue2);text-wrap:balance}.lead{font-size:20px;color:#43515c;max-width:930px;margin:0 0 30px}.grid{display:grid;gap:22px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 14px 34px rgba(6,77,105,.08)}.card h3{margin:0 0 8px;font-size:22px;line-height:1.15;color:var(--blue2)}.card p{margin:0;color:#4f5d68}.benefit-card{position:relative;overflow:hidden}.benefit-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:5px;background:linear-gradient(90deg,var(--yellow),var(--orange))}.steps{counter-reset:step}.step{display:grid;grid-template-columns:54px 1fr;gap:16px;align-items:start}.step:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:54px;height:54px;border-radius:18px;background:var(--yellow);font-weight:1000;font-size:24px;box-shadow:0 10px 20px rgba(255,210,31,.28)}.text-columns{columns:2 360px;column-gap:44px}.text-columns p{break-inside:avoid;margin-top:0;color:#45525d;font-size:18px}.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.chip{background:#fff;border:1px solid rgba(6,77,105,.14);border-radius:999px;padding:10px 14px;font-weight:850;color:var(--blue2);box-shadow:0 8px 18px rgba(6,77,105,.06)}.book-gallery{display:grid;grid-template-columns:minmax(220px,330px) minmax(220px,330px) 1fr;gap:26px;align-items:center}.gallery-img{background:#fff;border-radius:22px;padding:12px;box-shadow:var(--shadow);border:1px solid var(--line)}.gallery-img img{border-radius:14px}.gallery-copy{padding:10px}.gallery-copy p{font-size:18px;color:#4f5d68}.cta-band{background:linear-gradient(135deg,var(--blue2),var(--blue));color:#fff;border-radius:38px;padding:42px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;box-shadow:var(--shadow);overflow:hidden;position:relative}.cta-band:after{content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;background:var(--yellow);border-radius:50%;opacity:.18}.cta-band h2{color:#fff;margin-bottom:10px}.cta-band p{color:#e9f7fb;font-size:18px;margin:0;max-width:800px}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px 22px;box-shadow:0 10px 24px rgba(6,77,105,.06)}.faq-item h3{margin:0 0 6px;color:var(--blue2);font-size:19px}.faq-item p{margin:0;color:#4d5a64}.language-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.language-strip a{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;text-decoration:none;font-weight:850;font-size:13px}.language-strip a.active{background:var(--yellow);color:#111}.site-footer{background:#f7fbfc;border-top:1px solid var(--line);padding:44px 20px}.footer-inner{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:center}.footer-logo{display:flex;gap:14px;align-items:center}.footer-logo img{height:46px;width:auto;object-fit:contain}.footer-logo p{margin:6px 0 0;color:#51616d}.footer-links{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.footer-links a{background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:999px;text-decoration:none;font-weight:800;color:var(--blue2)}.footer-links a:hover{background:var(--yellow)}.floating-buy{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:998;background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;width:176px;box-shadow:0 16px 42px rgba(0,0,0,.20);display:block}.floating-buy img{border-radius:10px;margin-bottom:10px}.floating-buy strong{display:block;font-size:13px;line-height:1.18;margin-bottom:9px;color:var(--blue2)}.floating-buy .mini-btn{display:block;text-align:center;background:var(--yellow);border-radius:999px;padding:9px 10px;text-decoration:none;font-weight:950;color:#111;font-size:13px}.overview-hero{padding:64px 20px;background:linear-gradient(135deg,#fff8e7,#e9f9ff);border-bottom:1px solid var(--line)}.overview-hero .section-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}.overview-hero h1{font-size:clamp(40px,6vw,72px);letter-spacing:-.055em;line-height:.98;margin:0 0 18px;color:var(--blue2)}.overview-hero p{font-size:20px;color:#43515c}.overview-covers{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;transform:rotate(-2deg)}.overview-covers img{border-radius:12px;box-shadow:0 14px 28px rgba(6,77,105,.18);background:#fff}.language-card{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center}.language-card img{border-radius:12px;box-shadow:0 10px 24px rgba(6,77,105,.16)}.language-card .btn{padding:12px 16px;font-size:14px;box-shadow:none;margin-top:12px}.kicker{font-weight:950;color:var(--orange);text-transform:uppercase;letter-spacing:.06em;font-size:13px}.sr-only{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
@media (max-width:1100px){.floating-buy{display:none}.hero-inner{grid-template-columns:1fr;gap:26px}.book-stage{min-height:auto}.book-mockup{width:min(320px,76vw)}.book-gallery{grid-template-columns:1fr 1fr}.gallery-copy{grid-column:1/-1}.cta-band{grid-template-columns:1fr}.overview-hero .section-inner{grid-template-columns:1fr}.overview-covers{max-width:520px}}
@media (max-width:720px){.header-inner{align-items:flex-start;flex-direction:column}.brand img{height:38px}.top-nav{justify-content:flex-start}.top-nav a{font-size:13px;padding:7px 10px}.hero-inner{padding:44px 18px 50px}.hero-stats{grid-template-columns:repeat(2,1fr)}.hero-actions .btn{width:100%}.section{padding:52px 18px}.grid.two,.grid.three{grid-template-columns:1fr}.book-gallery{grid-template-columns:1fr}.cta-band{padding:28px;border-radius:28px}.footer-inner{grid-template-columns:1fr}.footer-links{justify-content:flex-start}.language-card{grid-template-columns:88px 1fr}.overview-covers{grid-template-columns:repeat(2,1fr)}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}