/* ============================================================
   Investment 101 — Edisi Web · Editorial magazine style
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,700;0,9..144,900;1,9..144,500&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500&display=swap');

:root{
  /* Warm ink palette */
  --paper: #faf6ef;
  --paper-2: #f3ece0;
  --paper-edge: #e9dfcc;
  --ink: #0f1724;
  --ink-soft: #3a4256;
  --ink-mute: #72798b;
  --rule: #d9cfbd;
  --rule-soft: #ece4d2;

  /* Accent — burnt copper */
  --accent: #b7541f;
  --accent-2: #8a3d14;
  --accent-soft: #f2e0d1;
  --accent-ghost: #fff2e4;

  /* Chapter mood colors (subtle, desaturated) */
  --ch1: #6a4789;  /* dusk purple */
  --ch2: #1e6b7a;  /* teal */
  --ch3: #1e4f99;  /* deep blue */
  --ch4: #a64615;  /* burnt orange */
  --ch5: #2f6541;  /* forest */
  --ch6: #9a3b64;  /* berry */

  --radius: 8px;
  --radius-lg: 20px;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);
  font-family:'Inter',ui-sans-serif,system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-image:
    radial-gradient(circle at 10% 5%, rgba(183,84,31,.04), transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(106,71,137,.04), transparent 45%);
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .15s}
a:hover{color:var(--accent-2)}

.serif{font-family:'Fraunces',Georgia,'Times New Roman',serif;font-optical-sizing:auto}
.mono{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace}

h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:700;letter-spacing:-.02em;line-height:1.1;margin:0 0 .4em;color:var(--ink)}
h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:900;letter-spacing:-.035em}
h2{font-size:clamp(1.75rem,3vw,2.25rem);margin-top:1.6em}
h3{font-size:1.3rem;margin-top:1.6em;font-weight:700}
h4{font-size:1.05rem;font-weight:700;margin-top:1.2em}
p{margin:0 0 1.1em}

.container{max-width:1240px;margin:0 auto;padding:0 28px}
.container-read{max-width:720px;margin:0 auto;padding:0 28px}

/* ===== Top bar ===== */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(250,246,239,.82);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--rule);
}
.topbar__inner{max-width:1240px;margin:0 auto;padding:14px 28px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none!important}
.brand:hover{color:var(--ink)}
.brand img{width:32px;height:32px;object-fit:contain}
.brand__text{line-height:1.05}
.brand__title{font-family:'Fraunces',Georgia,serif;font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand__sub{font-family:'Inter',sans-serif;font-size:10.5px;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.2em;margin-top:2px}
.topbar__links{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.topbar__link{padding:8px 12px;font-size:13.5px;font-weight:500;color:var(--ink-soft);border-radius:6px;text-decoration:none!important;transition:all .15s}
.topbar__link:hover{color:var(--accent);background:var(--accent-ghost)}
.topbar__link.is-active{color:var(--accent);font-weight:600}
.menu-btn{display:none;background:none;border:1px solid var(--rule);padding:8px 10px;border-radius:6px;font-size:16px}
@media (max-width:900px){
  .menu-btn{display:inline-flex;margin-left:auto}
  .topbar__links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--rule);flex-direction:column;padding:8px 16px 16px;gap:0}
  .topbar__links.is-open{display:flex}
  .topbar__link{padding:10px 6px}
}

/* ===== Cover hero ===== */
.cover{
  position:relative;padding:80px 0 60px;overflow:hidden;
}
.cover__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:end}
@media (max-width:900px){.cover__grid{grid-template-columns:1fr;gap:32px}}

.cover__eyebrow{
  font-family:'Inter',sans-serif;font-size:11.5px;font-weight:700;color:var(--accent);
  letter-spacing:.22em;text-transform:uppercase;margin-bottom:26px;
  display:inline-flex;align-items:center;gap:12px;
}
.cover__eyebrow::before{content:"";width:32px;height:1px;background:var(--accent)}
.cover__title{
  font-family:'Fraunces',Georgia,serif;font-weight:900;letter-spacing:-.04em;line-height:.95;
  font-size:clamp(3rem,8vw,6.5rem);margin:0 0 .25em;color:var(--ink);
}
.cover__title em{font-style:italic;font-weight:500;color:var(--accent)}
.cover__lede{font-size:1.15rem;color:var(--ink-soft);max-width:520px;line-height:1.7;margin:20px 0 34px}
.cover__actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;
  font-family:'Inter',sans-serif;font-weight:600;font-size:14px;letter-spacing:.01em;
  border-radius:999px;transition:all .18s;text-decoration:none!important;border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}

/* Cover visual — stacked typographic composition.
   min-height (bukan aspect-ratio) supaya kartu menyesuaikan isi dan tidak ada gap kosong. */
.cover__visual{
  position:relative;padding:36px 34px;
  border:1px solid var(--rule);
  background:linear-gradient(135deg,var(--paper-2),var(--paper));
  border-radius:var(--radius-lg);max-width:380px;margin-left:auto;
  display:flex;flex-direction:column;gap:22px;
  overflow:hidden;
}
.cover__visual::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 400px at 100% 0%, rgba(183,84,31,.12), transparent 50%),
    radial-gradient(500px 300px at 0% 100%, rgba(106,71,137,.08), transparent 50%);
  pointer-events:none;
}
.cover__visual-top{position:relative;z-index:1}
.cover__visual-kicker{font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-mute);font-weight:600;margin-bottom:10px}
.cover__visual-logo{width:72px;height:72px;margin-bottom:18px}
/* Mini table of contents di kartu hero */
.cover__visual-mid{position:relative;z-index:1;margin:16px 0}
.cover__visual-mid-label{font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-mute);font-weight:700;margin-bottom:10px}
.cover__visual-toc{list-style:none;margin:0;padding:0;font-family:'Fraunces',serif;font-size:13px;line-height:1.4;color:var(--ink);border-top:1px solid var(--rule)}
.cover__visual-toc li{display:flex;align-items:baseline;gap:12px;padding:6px 0;border-bottom:1px dashed var(--rule)}
.cover__visual-toc li span{font-family:'Inter',sans-serif;font-weight:700;color:var(--accent);font-size:10px;letter-spacing:.12em;min-width:18px}

.cover__visual-bot{position:relative;z-index:1;font-family:'Fraunces',serif}
.cover__visual-no{font-size:88px;font-weight:900;line-height:.85;letter-spacing:-.06em;color:var(--accent);font-family:'Fraunces',serif}
.cover__visual-title{font-size:22px;font-weight:700;margin-top:4px;letter-spacing:-.02em}
.cover__visual-rule{height:2px;width:36px;background:var(--ink);margin:14px 0}
.cover__visual-tags{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-mute);font-family:'Inter',sans-serif;font-weight:600}

/* Strip with stats */
.strip{
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  padding:28px 0;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
@media (max-width:720px){.strip{grid-template-columns:repeat(2,1fr)}}
.strip__item{display:flex;flex-direction:column;gap:4px}
.strip__num{font-family:'Fraunces',serif;font-size:2rem;font-weight:900;letter-spacing:-.03em;line-height:1}
.strip__label{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:var(--ink-mute);font-weight:600}

/* ===== Section ===== */
.section{padding:100px 0}
.section--tight{padding:60px 0}
.section__head{margin-bottom:56px;max-width:760px}
.section__eyebrow{font-size:11px;font-weight:700;color:var(--accent);letter-spacing:.22em;text-transform:uppercase;margin-bottom:14px;display:inline-flex;align-items:center;gap:12px}
.section__eyebrow::before{content:"";width:24px;height:1px;background:var(--accent)}
.section__head h2{margin:0}
.section__lede{font-size:1.1rem;color:var(--ink-soft);max-width:600px;margin-top:16px;line-height:1.7}

/* ===== Chapter cards ===== */
.chapters{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--rule)}
@media (max-width:720px){.chapters{grid-template-columns:1fr}}
.chapter-card{
  position:relative;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start;
  padding:40px 28px 36px;text-decoration:none!important;color:var(--ink);
  border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);
  transition:background .15s;
}
.chapter-card:nth-child(2n){border-right:none}
.chapter-card:hover{background:var(--paper-2)}
.chapter-card:hover .chapter-card__num{color:var(--accent)}
.chapter-card:hover .chapter-card__arrow{transform:translateX(6px);color:var(--accent)}
.chapter-card__num{
  font-family:'Fraunces',serif;font-weight:900;font-size:4rem;line-height:1;
  letter-spacing:-.04em;color:var(--ink-mute);transition:color .2s;
}
.chapter-card__body h3{
  font-family:'Fraunces',serif;font-size:1.6rem;margin:0 0 10px;font-weight:800;letter-spacing:-.02em;
}
.chapter-card__body p{color:var(--ink-soft);font-size:.97rem;line-height:1.65;margin:0}
.chapter-card__meta{
  margin-top:18px;display:flex;align-items:center;gap:16px;
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);font-weight:600;
}
.chapter-card__arrow{margin-left:auto;font-size:16px;transition:all .2s;color:var(--ink-mute)}

/* ===== Chapter page hero (editorial style) ===== */
.chapter-masthead{
  padding:70px 0 40px;border-bottom:1px solid var(--rule);
  position:relative;overflow:hidden;
}
.chapter-masthead::after{
  content:"";position:absolute;right:-80px;bottom:-80px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,var(--chapter-tint) 0%,transparent 60%);
  opacity:.22;
}
.chapter-masthead__inner{max-width:1200px;margin:0 auto;padding:0 28px;position:relative;z-index:1;
  display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
@media (max-width:760px){.chapter-masthead__inner{grid-template-columns:1fr}}

.crumb{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);font-weight:600;margin-bottom:18px}
.crumb a{color:var(--ink-soft);text-decoration:none}
.crumb a:hover{color:var(--accent)}

.chapter-masthead__num{
  font-family:'Fraunces',serif;font-size:11rem;font-weight:900;line-height:.8;
  letter-spacing:-.06em;color:var(--chapter-tint);opacity:.35;
}
@media (max-width:760px){.chapter-masthead__num{font-size:7rem}}
.chapter-masthead__kicker{display:inline-block;padding:4px 12px;border:1px solid var(--chapter-tint);color:var(--chapter-tint);
  border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;margin-bottom:22px}
.chapter-masthead h1{font-size:clamp(2.5rem,5vw,4rem);margin:0 0 .2em;letter-spacing:-.035em;line-height:1}
.chapter-masthead__lede{font-size:1.15rem;color:var(--ink-soft);max-width:620px;line-height:1.65;margin:18px 0 0}

/* ===== Reader ===== */
.reader{padding:60px 0 80px;display:grid;grid-template-columns:1fr minmax(auto,720px) 220px;gap:40px;max-width:1200px;margin:0 auto;padding-left:28px;padding-right:28px}
@media (max-width:1040px){
  .reader{grid-template-columns:1fr;padding-top:40px}
  .reader__toc{display:none}
}
.reader__body{max-width:720px;margin:0 auto;width:100%}
.reader__body > *:first-child{margin-top:0}
.reader__body p{font-family:'Fraunces',Georgia,serif;font-size:1.12rem;line-height:1.75;color:var(--ink);letter-spacing:.002em;font-weight:400}
/* Drop cap HANYA untuk paragraf pembuka (anak langsung .reader__body),
   bukan <p> yang bersarang di dalam .numlist / .twocol / .card / dll. */
.reader__body > p:first-of-type:first-letter{
  font-family:'Fraunces',serif;font-weight:900;float:left;font-size:4.2rem;line-height:.85;
  padding:.1em .1em 0 0;color:var(--accent);margin-top:.08em;
}
/* Pastikan paragraf di komponen tetap rapi (reset float warisan & ukuran) */
.numlist p::first-letter,
.twocol__desc::first-letter,
.card p::first-letter,
.chapter-card__body p::first-letter,
.pullquote::first-letter,
.tile__desc::first-letter,
.footer p::first-letter{
  float:none;font-size:inherit;color:inherit;font-weight:inherit;line-height:inherit;padding:0;margin:0;
}
.reader__body ul,.reader__body ol{font-family:'Fraunces',serif;font-size:1.08rem;line-height:1.7;padding-left:1.2em}
.reader__body ul li,.reader__body ol li{margin-bottom:.5em}
.reader__body ul li::marker{color:var(--accent)}
.reader__body h2{scroll-margin-top:90px;position:relative;padding-top:.4em;font-weight:800}
.reader__body h2::before{
  content:"§";position:absolute;left:-1.5em;top:.25em;
  color:var(--accent);font-family:'Fraunces',serif;font-weight:400;font-size:1.5rem;
}
@media (max-width:1040px){.reader__body h2::before{position:static;margin-right:.4em}}

/* TOC sidebar */
.reader__toc{position:sticky;top:80px;align-self:start;font-family:'Inter',sans-serif;font-size:.88rem}
.reader__toc__title{font-size:11px;font-weight:700;color:var(--ink-mute);letter-spacing:.22em;text-transform:uppercase;margin-bottom:12px}
.reader__toc ul{list-style:none;padding:0;margin:0;border-left:1px solid var(--rule)}
.reader__toc a{display:block;padding:6px 14px;color:var(--ink-mute);border-left:2px solid transparent;margin-left:-1px;text-decoration:none;transition:all .15s;line-height:1.4}
.reader__toc a:hover{color:var(--ink-soft)}
.reader__toc a.is-active{color:var(--accent);border-color:var(--accent);font-weight:600}

/* ===== Editorial components ===== */
.pullquote{
  font-family:'Fraunces',serif;font-style:italic;font-weight:500;
  font-size:1.5rem;line-height:1.4;color:var(--ink);
  padding:28px 0 28px 30px;border-left:3px solid var(--accent);
  margin:36px 0;
}
.pullquote__by{display:block;font-style:normal;font-size:.85rem;color:var(--ink-mute);margin-top:12px;letter-spacing:.02em;font-family:'Inter',sans-serif;font-weight:500}

.card{
  padding:24px 28px;background:var(--paper-2);border:1px solid var(--rule);border-radius:var(--radius);
  margin:28px 0;
}
.card__label{font-family:'Inter',sans-serif;font-size:11px;font-weight:700;color:var(--accent);letter-spacing:.2em;text-transform:uppercase;margin-bottom:8px}
.card p:last-child{margin-bottom:0}

/* Definition block */
.define{
  display:grid;grid-template-columns:auto 1fr;gap:24px;margin:32px 0;padding:26px 0;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
}
.define__tag{font-family:'Inter',sans-serif;font-size:10px;font-weight:700;letter-spacing:.25em;text-transform:uppercase;color:var(--accent);white-space:nowrap;padding-top:6px}
.define__body{font-family:'Fraunces',serif;font-size:1.2rem;line-height:1.5;color:var(--ink);font-style:italic;font-weight:500}

/* Comparison two-column */
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:28px 0;background:var(--rule);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
@media (max-width:640px){.twocol{grid-template-columns:1fr}}
.twocol__side{background:var(--paper);padding:22px 24px}
.twocol__label{font-family:'Inter',sans-serif;font-size:10.5px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.twocol__title{font-family:'Fraunces',serif;font-weight:700;font-size:1.1rem;margin:0 0 6px;color:var(--ink)}
.twocol__desc{font-family:'Fraunces',serif;font-size:.98rem;line-height:1.55;color:var(--ink-soft);margin:0}

/* Numbered list (big numerals) */
.numlist{counter-reset:numlist;list-style:none;padding:0;margin:28px 0}
.numlist > li{
  counter-increment:numlist;display:grid;grid-template-columns:auto 1fr;gap:24px;
  padding:22px 0;border-top:1px solid var(--rule-soft);
}
.numlist > li:first-child{border-top:none;padding-top:0}
.numlist > li::before{
  content:counter(numlist, decimal-leading-zero);
  font-family:'Fraunces',serif;font-weight:900;font-size:2rem;color:var(--accent);line-height:1;letter-spacing:-.02em;
}
.numlist > li strong{display:block;font-family:'Fraunces',serif;font-weight:700;font-size:1.1rem;color:var(--ink);margin-bottom:4px;letter-spacing:-.01em}
.numlist > li p{font-family:'Fraunces',serif;font-size:1rem;color:var(--ink-soft);margin:0;line-height:1.55}

/* Grid of items (type cards) — auto-fit supaya kartu yang ada mengisi full width,
   tidak menyisakan kolom kosong seperti saat pakai auto-fill. */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:28px 0}
.tile{
  padding:22px 18px;background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius);
  display:flex;flex-direction:column;gap:10px;transition:all .18s;
}
.tile:hover{border-color:var(--chapter-tint,var(--accent));transform:translateY(-2px)}
.tile__icon{width:34px;height:34px;color:var(--chapter-tint,var(--accent))}
.tile__icon svg{width:100%;height:100%}
.tile__title{font-family:'Fraunces',serif;font-weight:700;font-size:1rem;color:var(--ink);margin:0}
.tile__desc{font-size:.82rem;color:var(--ink-mute);margin:0;line-height:1.5}

/* Table */
.tbl{width:100%;border-collapse:collapse;margin:24px 0;font-family:'Inter',sans-serif;font-size:.95rem}
.tbl th,.tbl td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--rule)}
.tbl th{font-weight:700;color:var(--ink);font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-mute);border-bottom:1px solid var(--ink)}
.tbl tr:last-child td{border-bottom:1px solid var(--ink)}

/* Chapter nav (prev/next) */
.pagenav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:72px 0 0;border-top:1px solid var(--rule);padding-top:32px}
@media (max-width:640px){.pagenav{grid-template-columns:1fr}}
.pagenav a{display:block;padding:16px 0;text-decoration:none;color:var(--ink)}
.pagenav__label{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);font-weight:600;margin-bottom:4px}
.pagenav__title{font-family:'Fraunces',serif;font-weight:700;font-size:1.15rem}
.pagenav__next{text-align:right}
.pagenav a:hover .pagenav__title{color:var(--accent)}

/* ===== Footer ===== */
.footer{border-top:1px solid var(--rule);padding:56px 0 40px;background:var(--paper-2);margin-top:60px}
.footer__grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;margin-bottom:36px}
@media (max-width:720px){.footer__grid{grid-template-columns:1fr;gap:24px}}
.footer__brand{display:flex;gap:14px;align-items:flex-start}
.footer__brand img{width:42px;height:42px}
.footer__brand-title{font-family:'Fraunces',serif;font-weight:800;font-size:1.1rem;line-height:1.1;margin-bottom:4px}
.footer__brand-desc{font-size:.88rem;color:var(--ink-mute);line-height:1.6;max-width:280px}
.footer__col h4{font-family:'Inter',sans-serif;font-size:11px;font-weight:700;color:var(--ink-mute);letter-spacing:.22em;text-transform:uppercase;margin:0 0 14px}
.footer__col ul{list-style:none;padding:0;margin:0}
.footer__col li{margin-bottom:8px}
.footer__col a{color:var(--ink-soft);text-decoration:none;font-size:.92rem}
.footer__col a:hover{color:var(--accent)}
.footer__bottom{border-top:1px solid var(--rule);padding-top:24px;display:flex;justify-content:space-between;gap:20px;font-size:.82rem;color:var(--ink-mute);flex-wrap:wrap}

/* Small — colophon/notes */
.note{font-size:.85rem;color:var(--ink-mute);font-style:italic;padding:16px 0}
.note::before{content:"✱ ";color:var(--accent);font-style:normal}

/* Reveal on scroll (subtle) */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease, transform .7s ease}
  .reveal.is-in{opacity:1;transform:none}
}