:root{
  --teal:#0e9b92; --teal-d:#0b6467; --teal-dd:#08474a; --tint:#eef8f7; --ink:#1b2b2c; --mute:#566a6b;
  --gold:#f0b429; --red:#b3262b; --line:#d7ebe9; --r:18px;
  --wa:#0899cf;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:16px;padding-bottom:76px}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-d)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;color:var(--teal-dd)}
p{margin:0 0 1em}
.wrap{width:100%;max-width:1060px;margin:0 auto;padding:0 20px}
.wrap--narrow{max-width:760px}
.center{text-align:center}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar__in{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--teal-dd);font-weight:700}
.brand img{border-radius:50%}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--teal);color:#fff;text-decoration:none;font-weight:700;border-radius:999px;padding:12px 26px;min-height:46px;box-shadow:0 8px 20px -8px rgba(14,155,146,.7);transition:transform .15s,background .15s}
.btn:hover{background:var(--teal-d);transform:translateY(-1px)}
.btn--sm{padding:8px 20px;min-height:38px;font-size:15px}
.btn--lg{padding:16px 34px;font-size:18px;min-height:58px}
.btn--block{width:100%;border-radius:12px;margin-top:6px}
.btn--alt{background:var(--wa);box-shadow:0 8px 20px -8px rgba(8,153,207,.7)}
.btn--alt:hover{background:#0a7fa9}
.btn--light{background:#fff;color:var(--teal-dd);box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}
.btn--light:hover{background:#f1fffd}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#d9f3ef 0,transparent 60%),linear-gradient(#fff,#f5fbfa);padding:44px 0 36px}
.hero__in{display:grid;gap:28px;align-items:center}
.hero__art{width:100%;max-width:520px;margin:0 auto;mix-blend-mode:multiply}
.pill{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:6px 14px;border-radius:999px}
.pill--live{background:#d9f3ef;color:var(--teal-d)}
.pill--ready{background:var(--teal);color:#fff;letter-spacing:.08em}
h1{font-size:clamp(34px,7vw,56px);letter-spacing:-.02em;margin:14px 0 14px;color:var(--ink)}
h1 em,.title em{font-style:normal;color:var(--teal)}
.lead{font-size:clamp(17px,2.4vw,20px);color:var(--mute);max-width:560px}
.hero__cta{margin:22px 0 18px}
.hint{font-size:14px;color:var(--mute);margin:10px 0 0}
.status{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.status li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 14px;font-size:14px}
.status b{color:var(--teal-d)} .status b.warn{color:#c2410c}

/* sections */
.section{padding:56px 0}
.section--tint{background:var(--tint)}
.title{font-size:clamp(26px,4.6vw,38px);letter-spacing:-.01em;text-align:center;margin:0 0 12px}
.sub{text-align:center;color:var(--mute);max-width:640px;margin:0 auto 28px}
.serif{font-family:"Playfair Display",Georgia,serif;font-weight:700;color:var(--teal-d)}
h3.serif{font-size:clamp(26px,4vw,34px)}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.steps span{width:36px;height:36px;border-radius:50%;background:var(--teal);color:#fff;font-weight:800;display:grid;place-items:center}
.steps h3{font-size:16px;margin:0;color:var(--ink)}
.steps small{display:block;color:var(--mute);font-weight:500}
.steps__ok{background:var(--teal-d)!important;border-color:var(--teal-d)!important}
.steps__ok h3,.steps__ok small{color:#fff}
.steps__ok span{background:#fff;color:var(--teal-d)}

/* cards */
.cards{display:grid;gap:16px;margin-top:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:0 14px 30px -24px rgba(8,71,74,.5)}
.card h3{font-size:19px;color:var(--teal-d);margin-bottom:.4em}
.card__sub{font-weight:700;color:var(--teal);margin-top:-.2em}
.card p:last-child{margin-bottom:0}
.card .note{font-size:13px;color:var(--mute)}
.card--icon{border-top:4px solid var(--teal)}
.card--star h3::after{content:" 👑"}
.card--head{padding:0;overflow:hidden}
.card--head h3{background:var(--teal);color:#fff;margin:0;padding:14px 22px;font-size:16px;text-transform:uppercase;letter-spacing:.03em}
.card--head p{padding:18px 22px 6px}

/* testimoni */
.video{max-width:432px;margin:0 auto 28px;border-radius:var(--r);overflow:hidden;background:#000;aspect-ratio:432/677}
.video iframe{width:100%;height:100%;border:0;display:block}
.shots{columns:2;column-gap:12px}
.shots img{width:100%;border-radius:12px;border:1px solid var(--line);margin:0 0 12px;break-inside:avoid}
.quotes{display:grid;gap:16px;margin-top:20px}
.quote{margin:0;background:var(--tint);border-radius:var(--r);padding:26px;border:1px solid var(--line)}
.stars{color:var(--gold);font-size:22px;letter-spacing:3px}
.quote blockquote{margin:10px 0 16px;font-size:17px}
.quote figcaption b{display:block;color:var(--teal-d);font-size:18px}
.quote figcaption span{color:var(--mute);font-size:14px}

/* fasilitas */
.split{display:grid;gap:18px;align-items:center;margin-top:36px}
.split p{color:var(--mute)}
.frame{width:100%;border-radius:var(--r);box-shadow:0 18px 40px -26px rgba(8,71,74,.6);background:#fff}
.perks{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.perks li{background:#fff;border:2px solid var(--teal);border-radius:14px;padding:18px 14px;text-align:center;font-weight:700;color:var(--ink)}
.center.serif{text-align:center;margin-top:44px}

/* harga */
.books{max-width:560px;margin:24px auto 36px;border-radius:var(--r)}
.price{max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px 22px;text-align:center;box-shadow:0 24px 50px -30px rgba(8,71,74,.6)}
.price__total{font-size:18px;color:var(--mute);margin-bottom:6px}
.price__total s{color:var(--ink);text-decoration-color:var(--red);text-decoration-thickness:3px;font-weight:700}
.price__intro{margin-bottom:6px}
.price__now{font-size:clamp(38px,9vw,56px);font-weight:800;color:var(--red);line-height:1.1;margin:0 0 10px;letter-spacing:-.02em}
.price__now span{font-size:.7em}
.price__note{font-size:14px;color:var(--mute)}
.price__split{background:#fff;border-radius:16px;border:1px solid var(--line);box-shadow:0 10px 24px -16px rgba(0,0,0,.35);padding:14px;margin:6px 0 20px}
.price__split p{margin:0 0 4px}
.price__split b{color:var(--red);font-size:22px}
.price__warn{font-weight:700;color:var(--teal-dd);background:#fff7e0;border-radius:12px;padding:10px 14px}

.callout{margin:34px 0 0;text-align:center;background:linear-gradient(135deg,var(--teal-d),var(--teal-dd));color:#fff;border-radius:var(--r);padding:30px 24px}
.callout h3{color:#fff;font-size:26px}
.callout p{color:#e4f6f4}
.callout p:last-child{margin-bottom:0}

/* kelas */
.classes{display:grid;gap:18px}
.level{background:linear-gradient(170deg,var(--teal) 0,var(--teal-d) 100%);border-radius:24px;padding:22px;color:#fff;display:flex;flex-direction:column;gap:12px}
.level header{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:6px}
.level h3{color:#fff;font-size:28px;margin:0;letter-spacing:.02em;text-transform:uppercase}
.level .pill--ready{background:#fff;color:var(--teal-d)}
.slot{background:#fff;color:var(--ink);border-radius:16px;padding:14px 18px}
.slot h4{color:var(--teal-d);text-transform:uppercase;font-size:17px;margin:0 0 6px;text-align:center}
.slot ul{margin:0;padding-left:20px;font-size:15px}
.level .btn{background:#fff;color:var(--teal-dd)}
.level .btn:hover{background:#eefffc}

/* pilih */
.compare{display:grid;gap:16px;margin-top:26px}
.accent{color:var(--teal)}
.dots,.nums{padding-left:20px;margin:0}
.dots li,.nums li{margin-bottom:.55em}
.pair{display:grid;gap:16px;margin:28px 0}
.pair img{width:100%;border-radius:var(--r);box-shadow:0 18px 40px -28px rgba(8,71,74,.6)}
.req{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.req h3{font-size:24px}
.req h4{display:inline-block;background:var(--teal);color:#fff;padding:4px 16px;border-radius:999px;margin:14px 0 10px;font-size:15px}
.advice{background:#111;color:#f4f4f4;border-radius:16px;padding:18px 20px;margin-top:20px;font-size:14px}
.advice b{display:block;text-align:center;margin-bottom:8px;letter-spacing:.1em}
.advice p:last-child{margin:0}

/* faq */
.faq{display:grid;gap:12px;margin-top:26px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}
.faq summary{cursor:pointer;font-weight:700;color:var(--teal-d);padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--teal)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--mute);margin:0 0 16px}

/* finale + footer */
.finale{background:linear-gradient(135deg,var(--teal),var(--teal-dd));color:#fff;padding:54px 0}
.finale h2{color:#fff;font-size:clamp(26px,5vw,38px);margin-bottom:22px}
.finale em{font-style:normal;color:#ffe9a8}
.foot{background:var(--teal-dd);color:#d6efec;padding:36px 0 18px}
.foot__in{display:grid;gap:22px}
.foot h3,.foot h4{color:#fff;margin-bottom:.4em}
.foot a{color:#fff}
.foot p{margin:0 0 .4em}
.copy{max-width:1060px;margin:22px auto 0;padding:14px 20px 0;border-top:1px solid rgba(255,255,255,.18);font-size:13px;color:#a8cfcc}

/* tombol melayang */
.sticky{position:fixed;left:16px;right:16px;bottom:14px;z-index:30;text-align:center;background:var(--wa);color:#fff;text-decoration:none;font-weight:800;border-radius:14px;padding:15px;box-shadow:0 14px 30px -10px rgba(8,153,207,.8)}

@media (min-width:700px){
  .steps{grid-template-columns:repeat(4,1fr)}
  .cards--3{grid-template-columns:repeat(2,1fr)}
  .cards--2,.compare,.quotes,.classes{grid-template-columns:repeat(2,1fr)}
  .pair{grid-template-columns:1fr 1fr}
  .foot__in{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr 1fr;gap:36px}
  .split--rev>:first-child{order:2}
  .perks{grid-template-columns:repeat(4,1fr)}
  .shots{columns:4}
  .sticky{display:none}
  body{padding-bottom:0}
}
@media (min-width:980px){
  .hero__in{grid-template-columns:1.1fr .9fr}
  .cards--3{grid-template-columns:repeat(3,1fr)}
  .section{padding:72px 0}
}