/* What Happens If — mobile-first, tanpa framework, tanpa build step.
   Ditulis langsung (lihat aturan proyek): satu file, variabel CSS, dark theme. */

:root{
  --primary:#6d28d9;
  --primary-2:#8b5cf6;
  --accent:#f59e0b;
  --bg:#0b0a12;
  --bg-2:#141227;
  --card:#191733;
  --line:rgba(255,255,255,.10);
  --text:#eceaf6;
  --muted:#a29fbd;
  --ok:#34d399;
  --radius:16px;
  --wrap:1080px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.65;font-size:17px;
  background-image:
    radial-gradient(900px 500px at 15% -8%,rgba(109,40,217,.38),transparent 60%),
    radial-gradient(700px 420px at 92% 4%,rgba(245,158,11,.16),transparent 62%);
  background-attachment:fixed;
}
img,svg{max-width:100%}
a{color:var(--primary-2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.22;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(1.85rem,6vw,3rem);font-weight:800}
h2{font-size:clamp(1.3rem,3.6vw,1.9rem);font-weight:750}
h3{font-size:1.06rem;font-weight:700}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 18px}
.muted{color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--accent);color:#1a1300;padding:10px 16px;border-radius:10px;z-index:99}

/* ------------------------------------------------------------- header/nav */
.site-head{position:sticky;top:0;z-index:40;background:rgba(11,10,18,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;gap:14px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--accent));font-size:1.15rem;font-weight:900;color:#fff;
}
.brand-text em{display:block;font-size:.66rem;font-style:normal;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.nav{display:flex;gap:4px;overflow-x:auto;margin-left:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.nav::-webkit-scrollbar{display:none}
.nav a{white-space:nowrap;color:var(--muted);font-size:.87rem;font-weight:600;padding:7px 11px;border-radius:9px}
.nav a:hover{background:var(--card);color:var(--text);text-decoration:none}

/* -------------------------------------------------------------------- ads */
.ad{display:flex;justify-content:center;margin:18px auto;min-height:0;overflow:hidden}
.ad-inline{margin:26px auto}
.only-desktop{display:none}
.only-mobile{display:flex}
@media(min-width:760px){.only-desktop{display:flex}.only-mobile{display:none}}
.ad-native{margin:26px 0}

/* ------------------------------------------------------------------- hero */
.hero{padding:44px 0 28px;text-align:center}
.hero h1{margin-bottom:.35em}
.blink{color:var(--accent);animation:blink 1.6s steps(1) infinite}
@keyframes blink{0%,60%{opacity:1}61%,100%{opacity:.25}}
.hero-sub{max-width:620px;margin:0 auto 26px;color:var(--muted);font-size:1.06rem}
.ask{display:flex;gap:9px;max-width:640px;margin:0 auto;flex-wrap:wrap}
.ask input{
  flex:1 1 240px;min-width:0;padding:15px 18px;border-radius:14px;border:1px solid var(--line);
  background:var(--card);color:var(--text);font-size:1rem;font-family:inherit;
}
.ask input:focus{outline:2px solid var(--primary-2);outline-offset:1px}
.warn{max-width:640px;margin:16px auto 0;color:var(--accent);font-size:.94rem}

/* ----------------------------------------------------------------- button */
.btn{
  display:inline-block;padding:14px 22px;border-radius:14px;border:1px solid transparent;
  font-weight:700;font-size:.98rem;font-family:inherit;cursor:pointer;text-align:center;transition:transform .12s ease,filter .12s ease;
}
.btn:hover{text-decoration:none;filter:brightness(1.1)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-accent{background:linear-gradient(135deg,var(--accent),#fbbf24);color:#241800}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-lg{padding:16px 30px;font-size:1.05rem}
.btn-sm{padding:8px 14px;font-size:.85rem;border-radius:10px}

/* ------------------------------------------------------------ chip / card */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chips-hero{justify-content:center;margin-top:24px}
.chip{
  display:inline-block;padding:9px 15px;border-radius:999px;background:var(--card);
  border:1px solid var(--line);color:var(--text);font-size:.88rem;font-weight:600;
}
.chip:hover{border-color:var(--primary-2);text-decoration:none}
.cards{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:620px){.cards{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.cards{grid-template-columns:1fr 1fr 1fr}}
.card{
  display:flex;flex-direction:column;gap:6px;padding:18px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);color:var(--text);
}
.card:hover{border-color:var(--primary-2);transform:translateY(-2px);text-decoration:none;transition:.15s}
.card-ico{font-size:1.4rem}
.card-q{font-weight:700;line-height:1.4}
.card-cat{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.cat-grid{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:620px){.cat-grid{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
.cat-card{
  padding:20px;border-radius:var(--radius);background:linear-gradient(160deg,var(--bg-2),var(--card));
  border:1px solid var(--line);color:var(--text);display:block;
}
.cat-card:hover{border-color:var(--accent);text-decoration:none}
.cat-ico{font-size:1.7rem;display:block;margin-bottom:6px}
.cat-card strong{display:block;margin-bottom:4px;font-size:1.1rem}
.cat-card .muted{font-size:.9rem}

/* ------------------------------------------------------------------ block */
.block{margin:40px 0}
.page-head{padding:26px 0 6px}
.lead{font-size:1.08rem;color:var(--muted);max-width:70ch}
.crumbs{padding:14px 0 0;font-size:.84rem;color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--muted)}
.crumbs a{color:var(--muted)}

/* --------------------------------------------------------------- scenario */
.sc-head{padding:20px 0 6px}
.pill{
  display:inline-block;padding:5px 13px;border-radius:999px;background:rgba(139,92,246,.16);
  border:1px solid rgba(139,92,246,.4);color:#c4b5fd;font-size:.78rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px;
}
.headline{
  font-size:clamp(2.2rem,9vw,3.6rem);font-weight:900;letter-spacing:-.03em;line-height:1.05;
  background:linear-gradient(120deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;margin:14px 0 4px;
}
.sim-form{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin:24px 0;display:grid;gap:14px;
}
.field label{display:block;font-weight:700;font-size:.92rem;margin-bottom:8px}
.range-row{display:flex;align-items:center;gap:14px}
.range-row input[type=range]{flex:1;accent-color:var(--accent);height:28px}
.range-row output{
  min-width:78px;text-align:center;font-weight:800;font-size:1.15rem;padding:6px 10px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:10px;
}
.sim-form select{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg-2);color:var(--text);font-family:inherit;font-size:1rem;
}
.form-hint{margin:0;font-size:.82rem;color:var(--muted)}

/* ------------------------------------------------------------------ stats */
.stats{display:grid;gap:10px;grid-template-columns:1fr 1fr;margin-bottom:22px}
@media(min-width:760px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{padding:16px;border-radius:14px;background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.stat-label{font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700}
.stat-value{font-size:1.45rem;font-weight:850;letter-spacing:-.02em;line-height:1.2}
.stat-sub{font-size:.8rem;color:var(--muted)}

/* ------------------------------------------------------------------ chart */
.chart-wrap{margin:0;padding:16px 8px 8px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.chart{width:100%;height:auto;display:block}
.chart-val{fill:var(--text);font-size:12px;font-weight:700;font-family:var(--font)}
.chart-lbl{fill:var(--muted);font-size:12px;font-family:var(--font)}
.chart-wrap figcaption{text-align:center;font-size:.82rem;color:var(--muted);padding:8px 0 4px}

/* --------------------------------------------------------------- timeline */
.timeline{list-style:none;margin:0;padding:0 0 0 24px;position:relative}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--primary),var(--accent));opacity:.55}
.tl-item{position:relative;margin-bottom:20px}
.tl-item::before{
  content:"";position:absolute;left:-24px;top:9px;width:13px;height:13px;border-radius:50%;
  background:var(--accent);border:3px solid var(--bg);
}
.tl-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px}
.tl-when{font-weight:800;font-size:1rem}
.tl-value{margin-left:auto;font-weight:800;color:var(--accent);font-size:1.02rem}
.tl-note{margin:4px 0 0;color:var(--muted);font-size:.95rem}

/* ------------------------------------------------------------ tabel/level */
.levels{margin-top:28px}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;display:block;overflow-x:auto}
.tbl th,.tbl td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.08em}

/* --------------------------------------------------------------- insights */
.insights{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:760px){.insights{grid-template-columns:1fr 1fr}}
.insight{padding:18px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line)}
.insight h3{margin-bottom:6px;color:var(--accent)}
.insight p{margin:0;color:var(--muted);font-size:.95rem}

/* -------------------------------------------------------------- faq/notes */
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:9px;padding:0 16px}
.faq-item summary{cursor:pointer;padding:14px 0;font-weight:700;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";float:right;color:var(--accent);font-weight:900}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0 0 14px;color:var(--muted);font-size:.95rem}
.notes{margin:34px 0;padding:18px;border-left:3px solid var(--primary);background:rgba(109,40,217,.09);border-radius:0 12px 12px 0}
.notes h3{margin-bottom:8px}
.notes ul{margin:0;padding-left:20px;color:var(--muted);font-size:.9rem}

/* ---------------------------------------------------------- cta smartlink */
.cta-smart{
  margin:34px 0;padding:28px 22px;text-align:center;border-radius:20px;
  background:linear-gradient(135deg,rgba(109,40,217,.55),rgba(245,158,11,.28));
  border:1px solid rgba(245,158,11,.35);
}
.cta-smart h2{margin-bottom:.3em}
.cta-smart p{color:rgba(255,255,255,.86);max-width:52ch;margin:0 auto 18px}
/* varian berbayar: label jelas + tombol internal tetap ada di sebelahnya */
.cta-smart.is-sponsored{position:relative;padding-top:34px}
.cta-label{position:absolute;top:12px;right:16px;font-size:.66rem;letter-spacing:.08em;
  text-transform:uppercase;color:rgba(255,255,255,.75);background:rgba(0,0,0,.28);
  padding:3px 10px;border-radius:20px}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center}
/* dibatasi ke dalam CTA saja — .btn-ghost umum (baris 90) dipakai tombol share,
   jangan ikut berubah. Di atas latar ungu/amber butuh garis tepi terang. */
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.38);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ------------------------------------------------------------------ share */
.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:26px 0;padding:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.share-label{font-weight:700;font-size:.9rem}
.share-links{display:flex;flex-wrap:wrap;gap:7px}

/* --------------------------------------------------------------- linklist */
.linklist{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.linklist.cols{grid-template-columns:1fr}
@media(min-width:760px){.linklist.cols{grid-template-columns:1fr 1fr}}
.linklist li{font-size:.94rem}
.linklist a{color:var(--text);border-bottom:1px solid transparent}
.linklist a:hover{color:var(--primary-2);text-decoration:none;border-bottom-color:currentColor}
.group h2{font-size:1.12rem;margin-bottom:12px}
.steps{padding-left:22px;color:var(--muted)}
.steps li{margin-bottom:12px}
.steps strong{color:var(--text)}

/* ----------------------------------------------------------------- footer */
.site-foot{margin-top:56px;padding:34px 0 26px;border-top:1px solid var(--line);background:rgba(0,0,0,.28);font-size:.9rem}
.foot-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:760px){.foot-grid{grid-template-columns:2fr 1fr 1fr}}
.site-foot strong{display:block;margin-bottom:8px}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:5px}
.site-foot a{color:var(--muted)}
.site-foot p{color:var(--muted)}
.disclaimer{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:.8rem}
.copy{font-size:.8rem;margin:0}

/* toast kecil untuk "Copy link" */
.toast{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:80;
  background:var(--accent);color:#241800;padding:11px 20px;border-radius:999px;font-weight:700;font-size:.9rem;
  box-shadow:0 8px 30px rgba(0,0,0,.4);
}
.is-loading{opacity:.45;transition:opacity .15s}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}