/* FollowKu — tema: indigo → pink, font Plus Jakarta Sans + Space Grotesk */
:root{
  --indigo:#4f46e5; --indigo-dark:#3730a3; --pink:#ec4899; --pink-dark:#be185d;
  --grad:linear-gradient(135deg,var(--indigo),var(--pink));
  --ink:#181a2a; --muted:#6b7280; --bg:#f7f7fc; --card:#ffffff;
  --font-head:'Space Grotesk',sans-serif; --font-body:'Plus Jakarta Sans',sans-serif;
  --shadow:0 8px 28px rgba(79,70,229,.10); --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
input,select,textarea{font-size:16px!important} /* cegah auto-zoom iOS */
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--indigo)!important;box-shadow:0 0 0 3px rgba(79,70,229,.15)}
button{font-family:inherit}
.btn{min-height:44px} /* tap target ramah jempol */
a{color:var(--indigo);text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;transition:.3s}
.nav.scrolled{background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--shadow);padding:10px 0}
.nav-inner{display:flex;justify-content:space-between;align-items:center}
.brand{font-family:var(--font-head);font-size:1.5rem;font-weight:700;color:#fff}
.nav.scrolled .brand{color:var(--ink)}
.brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:22px;list-style:none;align-items:center}
.nav-links a{color:#fff;font-size:.9rem;font-weight:500}
.nav.scrolled .nav-links a{color:var(--ink)}
.coin-pill{background:#fff3d6;color:#9a6b00;font-size:.85rem;padding:6px 16px;border-radius:999px;list-style:none}
.burger{display:none;background:none;border:none;cursor:pointer}
.burger span{display:block;width:24px;height:3px;background:#fff;margin:5px 0;border-radius:2px}
.nav.scrolled .burger span{background:var(--ink)}
@media(max-width:820px){
  .burger{display:block}
  .nav-links{position:fixed;top:0;right:-280px;width:250px;height:100vh;background:#1e1b3a;flex-direction:column;padding:80px 28px;transition:.3s;align-items:flex-start}
  .nav-links.open{right:0}.nav-links a{color:#fff!important}
}
/* buttons */
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-weight:700;font-size:.92rem;border:none;cursor:pointer;transition:.25s;text-align:center}
.btn-grad{background:var(--grad);color:#fff}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(236,72,153,.35);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-outline{border:2px solid var(--indigo);color:var(--indigo);background:#fff}
/* hero */
.hero{min-height:88vh;display:flex;align-items:center;background:radial-gradient(1000px 500px at 80% -10%,#c7d2fe 0%,transparent 60%),radial-gradient(800px 500px at 10% 110%,#fbcfe8 0%,transparent 55%),#1e1b3a;color:#fff;padding:120px 0 70px}
.hero h1{font-family:var(--font-head);font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.15;margin-bottom:16px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#a5b4fc,#f9a8d4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{opacity:.85;max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.stats-row{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap}
.stats-row b{font-family:var(--font-head);font-size:1.7rem;display:block}
.stats-row span{font-size:.82rem;opacity:.7}
/* sections */
.section{padding:76px 0}.section.alt{background:#fff}
.center{text-align:center}
.tag{display:inline-block;background:#eef0ff;color:var(--indigo-dark);font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:7px 18px;border-radius:999px;margin-bottom:14px}
h2.st{font-family:var(--font-head);font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:10px}
.sub{color:var(--muted);max-width:600px;margin:0 auto 36px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:800px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow);text-align:center}
.step .n{width:54px;height:54px;border-radius:18px;background:var(--grad);color:#fff;font-family:var(--font-head);font-size:1.4rem;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:800px){.grid3{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
.price-card{text-align:center;position:relative}
.price-card.hot{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box}
.coins-big{font-family:var(--font-head);font-size:2.2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
/* earn list */
.earn-row{display:flex;align-items:center;gap:16px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;margin-bottom:14px;flex-wrap:wrap}
.earn-row .av{width:52px;height:52px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex:0 0 auto}
.earn-row .info{flex:1;min-width:0}
.earn-row .info b{display:block}
.earn-row .info small{color:var(--muted)}
.reward{background:#fef3c7;color:#92400e;font-weight:700;font-size:.82rem;padding:6px 14px;border-radius:999px;white-space:nowrap}
/* forms */
.form-card{max-width:520px;margin:0 auto;background:#fff;border-radius:20px;box-shadow:var(--shadow);padding:38px 34px}
.form-card label{display:block;font-size:.83rem;font-weight:600;margin:14px 0 6px}
.form-card input,.form-card select,.form-card textarea{width:100%;padding:12px 15px;border:1px solid #e2e8f0;border-radius:10px;font-size:.92rem;font-family:inherit}
.page{padding:120px 0 60px;min-height:80vh}
.page h1{font-family:var(--font-head);font-size:1.9rem;margin-bottom:8px}
.msg-ok{background:#ecfdf5;color:#047857;border-radius:12px;padding:13px 18px;margin-bottom:18px;font-size:.9rem}
.msg-err{background:#fef2f2;color:#b91c1c;border-radius:12px;padding:13px 18px;margin-bottom:18px;font-size:.9rem}
table.tbl{width:100%;border-collapse:collapse;font-size:.86rem;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid #f1f5f9}
.tbl th{background:#f8fafc;font-size:.72rem;text-transform:uppercase;color:var(--muted)}
.badge{font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:999px}
.badge.ok{background:#dcfce7;color:#15803d}.badge.warn{background:#fef3c7;color:#92400e}.badge.err{background:#fee2e2;color:#b91c1c}
.faq{max-width:720px;margin:0 auto;text-align:left}
.faq details{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:18px 22px;margin-bottom:12px}
.faq summary{font-weight:600;cursor:pointer}
.faq p{font-size:.9rem;color:var(--muted);margin-top:10px}
/* footer */
footer{background:#1e1b3a;color:#a5b4fc;padding:56px 0 0;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:36px}
@media(max-width:700px){.foot-grid{grid-template-columns:1fr}}
.foot-brand{font-family:var(--font-head);font-size:1.5rem;color:#fff;margin-bottom:10px}
.foot-brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
footer h4{color:#fff;font-size:.9rem;margin-bottom:12px}
footer ul{list-style:none}footer ul a{color:#a5b4fc;font-size:.86rem;line-height:2.1}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.78rem;color:#818cf8}
.reveal{opacity:0;transform:translateY(22px);transition:.6s}
.reveal.in{opacity:1;transform:none}
@media(max-width:640px){
  .earn-row{gap:10px}
  .earn-row .info{flex:1 1 100%}
  .earn-row .step1,.earn-row .step2{flex:1;text-align:center}
}