:root{
  --bg:#fbfaf7; --surface:#ffffff; --ink:#23303a; --muted:#5d6b72; --line:#e7e3da;
  --brand:#3f7d77; --brand-d:#2f615c; --accent:#c98b5e; --ring:rgba(63,125,119,.25);
  --maxw:1120px; --prose:none;
  --shadow:0 1px 2px rgba(20,40,45,.04),0 8px 28px rgba(20,40,45,.06);
  --serif:"Iowan Old Style",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.65;font-size:18px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-d);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.2;color:#1c2830;font-weight:600;margin:1.6rem 0 .7rem}
h1{font-size:clamp(2rem,4.4vw,3rem)}
h2{font-size:clamp(1.5rem,3vw,2.05rem)}
h3{font-size:1.3rem}
p{margin:0 0 1.05rem}
/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.86);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:70px}
.brand{font-family:var(--serif);font-weight:600;font-size:1.18rem;color:#1c2830;display:flex;flex-direction:column;line-height:1.05}
.brand small{font-family:var(--sans);font-weight:500;font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:var(--brand);margin-top:3px}
.nav-links{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.nav-links a{padding:9px 13px;border-radius:9px;color:var(--ink);font-size:.95rem;font-weight:500}
.nav-links a:hover{background:#eef3f1;text-decoration:none;color:var(--brand-d)}
.nav-cta{background:var(--brand);color:#fff!important;padding:10px 16px;border-radius:10px;font-weight:600}
.nav-cta:hover{background:var(--brand-d)!important}
.burger{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 11px;font-size:1.1rem;cursor:pointer}
/* hero */
.hero{background:linear-gradient(180deg,#eef4f2,transparent);padding:64px 0 30px}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{margin-top:0}
.kicker{color:var(--brand);font-weight:600;letter-spacing:.12em;text-transform:uppercase;font-size:.8rem}
.hero img{border-radius:18px;box-shadow:var(--shadow)}
.lead{font-size:1.15rem;color:var(--muted)}
/* layout */
main{padding:36px 0 10px}
.prose{max-width:760px;margin:0 auto}
.prose img{border-radius:12px;margin:1.4rem auto;box-shadow:var(--shadow)}
.prose ul{padding-left:1.2em}
.prose li{margin:.3rem 0}
.prose .embed{position:relative;padding-top:56.25%;margin:1.4rem 0;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.prose .embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.page-head{text-align:center;max-width:780px;margin:10px auto 6px}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 22px;border-radius:11px;font-weight:600;margin:.4rem 0}
.btn:hover{background:var(--brand-d);text-decoration:none}
/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;margin:26px 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 34px rgba(20,40,45,.1)}
.card .pad{padding:18px 20px}
.card h3{margin:.1rem 0 .4rem;font-size:1.15rem}
.card .meta{color:var(--muted);font-size:.82rem}
.card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.note{background:#f4efe7;border:1px dashed var(--accent);border-radius:12px;padding:14px 16px;color:#7a5a3a;font-size:.95rem;margin:1.2rem 0}
/* course */
.lessons{counter-reset:l;max-width:760px;margin:0 auto;list-style:none;padding:0}
.lessons li{counter-increment:l;background:#fff;border:1px solid var(--line);border-radius:13px;margin:10px 0;box-shadow:var(--shadow)}
.lessons a{display:flex;gap:14px;align-items:center;padding:15px 18px;color:var(--ink)}
.lessons a:hover{text-decoration:none;color:var(--brand-d)}
.lessons a::before{content:counter(l);flex:none;width:34px;height:34px;border-radius:50%;background:#eef3f1;color:var(--brand-d);font-weight:700;font-family:var(--serif);display:grid;place-items:center}
.badge{font-size:.72rem;background:#eef3f1;color:var(--brand-d);padding:3px 9px;border-radius:999px;margin-left:auto;font-weight:600}
/* footer */
.site-foot{margin-top:60px;background:#26343c;color:#cdd6da;padding:42px 0}
.site-foot a{color:#cdd6da}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.site-foot h4{color:#fff;font-size:1rem;margin:.2rem 0 .8rem}
.site-foot .muted{color:#8ea0a8;font-size:.85rem}
.foot-links{display:flex;flex-direction:column;gap:7px;font-size:.92rem}
.copy{border-top:1px solid #38474f;margin-top:26px;padding-top:18px;font-size:.82rem;color:#8ea0a8}
@media(max-width:820px){
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:var(--bg);flex-direction:column;padding:12px 18px;border-bottom:1px solid var(--line);gap:2px}
  .nav-links.open{display:flex}
  .burger{display:block}
  .hero .wrap{grid-template-columns:1fr}
  .hero{padding-top:40px}
  .foot-grid{grid-template-columns:1fr}
}
/* nested course topics */
.lessons li{counter-increment:none}
.lessons>li{counter-increment:l}
.lessons>li>a{font-weight:600}
.sublessons{list-style:none;margin:6px 0 12px;padding:4px 0 4px 16px;border-left:2px solid var(--line)}
.sublessons li{background:transparent;border:0;box-shadow:none;margin:3px 0}
.sublessons a{padding:8px 12px;font-size:.96rem;font-weight:500}
.sublessons a::before{display:none!important}
.sublessons a:hover{background:#eef3f1;border-radius:8px}
/* local video + extra sections */
.embed video{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000;object-fit:contain}
.band{background:#eef4f2;border-radius:20px;padding:36px 24px;margin:34px 0}
.band .btn{margin-top:10px}
.hero img{max-height:420px;object-fit:cover;width:100%}
.embed.placeholder{background:#eef4f2;display:grid;place-items:center}
.embed.placeholder span{position:absolute;color:var(--brand-d);font-weight:600;font-family:var(--sans)}
/* full-bleed home hero with photo */
.hero-bg{position:relative;background-size:cover;background-position:78% center;min-height:540px;display:flex;align-items:center}
.hero-bg::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(22,42,46,.9) 0%,rgba(22,42,46,.66) 40%,rgba(22,42,46,.12) 72%,rgba(22,42,46,0) 100%)}
.hero-inner{position:relative;z-index:1;color:#fff;max-width:660px;padding:64px 22px}
.hero-inner h1{color:#fff;margin-top:.3rem}
.hero-inner .kicker{color:#bfe0da}
.hero-inner .lead{color:#e9efed}
.hero-inner .btn{margin-top:14px}
@media(max-width:820px){
  .hero-bg{min-height:460px;background-position:70% center}
  .hero-bg::before{background:linear-gradient(180deg,rgba(22,42,46,.72),rgba(22,42,46,.86))}
}
/* testimonials */
.testimonials{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;margin:24px 0}
.prose .quote{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;box-shadow:var(--shadow)}
.prose .quote blockquote{margin:0;border:0;font-style:italic;color:var(--ink);line-height:1.6}
.prose .quote blockquote p{margin:0 0 .6rem}
.prose .quote figcaption{margin-top:10px;font-weight:700;color:var(--brand-d);font-style:normal}
/* Q&A list + price cards */
.qa-list{list-style:none;padding:0;max-width:820px;margin:10px auto;columns:1}
.qa-list li{margin:0 0 10px}
.qa-list a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;box-shadow:var(--shadow);font-weight:500;color:var(--ink)}
.qa-list a:hover{text-decoration:none;color:var(--brand-d);border-color:var(--brand)}
.qa-list a::after{content:" →";color:var(--brand)}
.prices{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:24px 0}
.pricecard{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);text-align:center}
.pricecard h3{margin:.2rem 0}
.pricecard .sub{color:var(--muted);margin:.2rem 0 1rem}
.pricecard .amount{font-size:1.2rem;color:var(--muted)}
.pricecard .amount b{font-size:2.4rem;color:var(--brand-d);font-family:var(--serif)}
.pricecard ul{list-style:none;padding:0;margin:1rem 0 0;color:var(--ink)}
.pricecard ul li{padding:.3rem 0;border-top:1px solid var(--line)}
.pricecard .ribbon{position:absolute;top:14px;right:-4px;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:6px 0 0 6px}
/* feature boxes (icon-box / icon-list -> separated boxes) */
.featlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin:20px 0}
.feat{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:10px;padding:13px 16px;box-shadow:var(--shadow);line-height:1.5}
.feat p{margin:0}
.feat strong{color:var(--brand-d)}

/* FAQ accordion */
.faq{max-width:760px;margin:18px auto}
.faq .qa{background:#fff;border:1px solid var(--line);border-radius:12px;margin:10px 0;box-shadow:var(--shadow);overflow:hidden}
.faq .qa summary{cursor:pointer;padding:16px 20px;font-weight:600;font-family:var(--serif);font-size:1.12rem;color:#1c2830;list-style:none}
.faq .qa summary::-webkit-details-marker{display:none}
.faq .qa summary::before{content:"+";color:var(--brand);font-weight:700;margin-right:12px}
.faq .qa[open] summary::before{content:"–"}
.faq .qa[open] summary{color:var(--brand-d)}
.faq .qa-a{padding:0 20px 18px;color:var(--ink)}