:root{
  --green:#41D674; --green-d:#1A572F; --ink:#05120A; --grey:#464645;
  --paper:#F7F7F7; --white:#FFFFFF;
  --sea:#1FB6C9; --sky:#BFE9F2; --sand:#FCEFD6; --sun:#FFC94D; --coral:#FF8A6B;
  --shadow:0 18px 40px -22px rgba(5,18,10,.35);
  --shadow-sm:0 8px 22px -16px rgba(5,18,10,.4);
  --disp:'Poppins',system-ui,sans-serif; --body:'Poppins',system-ui,sans-serif;
  --cond:'Oswald',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1060px;margin:0 auto;padding:0 22px}

.hero{position:relative;min-height:86vh;display:flex;align-items:center;
  background:linear-gradient(160deg,var(--sky) 0%,#E8F7EE 42%,var(--sand) 100%);
  overflow:hidden;padding:90px 0 70px}
.hero-photo{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center}
.hero-photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(247,247,247,.97) 0%,rgba(247,247,247,.86) 36%,rgba(247,247,247,.30) 66%,rgba(247,247,247,.04) 100%)}
.hero .sun{position:absolute;top:8%;right:9%;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#FFE08A,var(--sun));
  box-shadow:0 0 70px 18px rgba(255,201,77,.55);animation:bob 7s ease-in-out infinite}
.waves{position:absolute;left:0;right:0;bottom:-2px;width:100%;height:130px;z-index:2}
.hero-inner{position:relative;z-index:3}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:#fff;
  font-family:var(--cond);font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  font-size:12px;padding:8px 16px;border-radius:100px}
.eyebrow{font-family:var(--cond);text-transform:uppercase;letter-spacing:.22em;color:var(--green-d);font-weight:600;font-size:13px;margin:22px 0 6px}
h1.title{font-family:var(--disp);font-weight:700;font-size:clamp(40px,7vw,72px);line-height:1.03;letter-spacing:-.03em}
h1.title em{font-style:normal;font-weight:700;color:var(--green-d)}
.lead{font-size:clamp(17px,2.2vw,21px);color:var(--grey);max-width:620px;margin:20px 0 0}
.emoji-mark{font-size:54px;line-height:1;filter:drop-shadow(0 6px 10px rgba(0,0,0,.12))}
.kpis{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.kpi{background:rgba(255,255,255,.82);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.9);
  border-radius:18px;padding:14px 20px;box-shadow:var(--shadow-sm)}
.kpi b{display:block;font-family:var(--disp);font-weight:700;font-size:24px;color:var(--ink);line-height:1}
.kpi span{font-size:12.5px;color:var(--grey);text-transform:uppercase;letter-spacing:.08em}
.scrollcue{margin-top:40px;display:inline-flex;align-items:center;gap:10px;color:var(--green-d);font-weight:600;font-size:14px}
.scrollcue .arr{width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;animation:bob 2.4s ease-in-out infinite}
.card-img{height:158px;border-radius:14px;background-size:cover;background-position:center;margin-bottom:16px}

.model{margin:-46px auto 0;position:relative;z-index:5}
.model-card{background:var(--ink);color:#fff;border-radius:26px;padding:30px 34px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.1fr 1fr;gap:26px}
.model-card h2{font-family:var(--disp);font-size:23px;font-weight:700;margin-bottom:6px}
.model-card p{color:#cdd6d0;font-size:15px}
.model-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mg{background:rgba(255,255,255,.06);border:1px solid rgba(65,214,116,.25);border-radius:14px;padding:12px 14px}
.mg .k{font-family:var(--cond);text-transform:uppercase;letter-spacing:.1em;font-size:11px;color:var(--green)}
.mg .v{font-size:14px;color:#eaf2ec;margin-top:2px}

.chapnav{position:sticky;top:0;z-index:40;background:rgba(247,247,247,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid #e6e6e6;margin-top:60px}
.chapnav ul{display:flex;gap:6px;list-style:none;overflow-x:auto;padding:12px 22px;max-width:1060px;margin:0 auto}
.chapnav a{white-space:nowrap;font-family:var(--cond);text-transform:uppercase;letter-spacing:.08em;
  font-size:12.5px;font-weight:500;color:var(--grey);padding:8px 14px;border-radius:100px;transition:.2s}
.chapnav a:hover{background:#fff;color:var(--ink)}
.chapnav a.active{background:var(--green);color:#fff}

.chapter{padding:70px 0 18px}
.chap-head{display:flex;align-items:flex-end;gap:18px;margin-bottom:26px}
.chap-num{font-family:var(--disp);font-size:58px;font-weight:700;color:var(--green);line-height:.8;letter-spacing:-.02em}
.chap-titles h2{font-family:var(--disp);font-weight:700;font-size:clamp(26px,4vw,38px);line-height:1.05;letter-spacing:-.02em}
.chap-lead{color:var(--grey);font-size:16.5px;max-width:720px;margin:0 0 30px}

.steps{display:grid;gap:14px}
.step{display:flex;gap:18px;align-items:flex-start;background:var(--white);border:1px solid #ededed;
  border-radius:18px;padding:18px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
  opacity:0;transform:translateY(18px)}
.step.in{opacity:1;transform:none}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.step .n{flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--green),var(--sea));
  color:#fff;font-family:var(--cond);font-weight:600;font-size:17px;display:grid;place-items:center}
.step .tx{font-size:15.5px}
.step .tx b{color:var(--ink)}

.callout{border-radius:14px;padding:15px 20px;margin:18px 0 4px;font-size:14.5px}
.note{background:#FFF7E6;border:1px solid #FAE3AC;border-left:4px solid #E8B53D;color:#7a5a14}
.tip{background:#E9F9EF;border:1px solid #BBEBCB;border-left:4px solid var(--green);color:var(--green-d)}

.cta{margin:70px 0 0;background:linear-gradient(150deg,var(--green-d),var(--ink));color:#fff;border-radius:30px;padding:54px 40px;text-align:center;position:relative;overflow:hidden}
.cta h2{font-family:var(--disp);font-weight:700;font-size:clamp(26px,4vw,38px);letter-spacing:-.02em}
.cta p{color:#bfe9cd;max-width:540px;margin:12px auto 26px}
.btnrow{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:var(--ink);font-weight:600;
  padding:13px 24px;border-radius:100px;font-size:15px;transition:.2s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
footer.f{text-align:center;color:var(--grey);font-size:13px;padding:34px 0 50px}
footer.f a{color:var(--green-d);font-weight:600}

@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@media(max-width:780px){
  .model-card{grid-template-columns:1fr}
  .model-grid{grid-template-columns:1fr 1fr}
  .chap-num{font-size:46px}
  .hero-photo::after{background:linear-gradient(180deg,rgba(247,247,247,.86) 0%,rgba(247,247,247,.74) 45%,rgba(247,247,247,.55) 100%)}
}

.idx-hero{padding:96px 0 30px;background:linear-gradient(160deg,var(--sky),#E8F7EE 50%,var(--sand));position:relative;overflow:hidden}
.idx-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px;margin:40px 0 10px}
.card{display:block;background:var(--white);border:1px solid #ececec;border-radius:22px;padding:18px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .role{position:absolute;top:30px;right:30px;font-family:var(--cond);text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:600;padding:5px 11px;border-radius:100px}
.role.creator{background:#E9F9EF;color:var(--green-d)}
.role.host{background:#E7F4FB;color:#0f6d86}
.card h3{font-family:var(--disp);font-weight:700;font-size:21px;margin:4px 0 6px;padding:0 8px;letter-spacing:-.01em}
.card p{font-size:14.5px;color:var(--grey);padding:0 8px}
.card .go{margin:16px 0 4px;padding:0 8px;font-weight:600;color:var(--green-d);font-size:14px;display:inline-flex;gap:6px;align-items:center}