/* =========================================================
   REPUBLIK CUAN — Design System
   Belajar. Praktik. Hasilkan Cuan.
   ========================================================= */

:root{
  /* --- Brand colors (from logo) --- */
  --navy-900:#0A1B33;
  --navy-800:#0F2748;
  --blue-600:#1D4FD8;
  --blue-500:#2F6FE0;
  --orange-600:#F2760E;
  --orange-500:#FF8A1E;
  --green-600:#0EA152;
  --green-500:#16C265;

  /* --- Neutrals --- */
  --bg:#F5F7FB;
  --bg-alt:#EEF1F8;
  --surface:#FFFFFF;
  --border:#E3E7F1;
  --ink:#0B1526;
  --ink-soft:#3A4459;
  --muted:#6B7488;

  /* --- Gradients (signature) --- */
  --grad-brand: linear-gradient(100deg, var(--blue-600) 0%, var(--blue-500) 32%, var(--orange-500) 68%, var(--orange-600) 100%);
  --grad-money: linear-gradient(135deg, var(--green-600), var(--green-500));
  --grad-dusk: linear-gradient(160deg, var(--navy-900) 0%, #16345F 55%, var(--blue-600) 100%);

  /* --- Type --- */
  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  /* --- Radius / shadow --- */
  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-pill:999px;
  --shadow-sm: 0 1px 2px rgba(11,21,38,.06), 0 1px 1px rgba(11,21,38,.04);
  --shadow-md: 0 8px 24px rgba(11,21,38,.10);
  --shadow-lg: 0 20px 48px rgba(11,21,38,.16);

  --container: 1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em;color:var(--navy-900)}
p{margin:0 0 1em}
button{font-family:inherit}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

:focus-visible{outline:3px solid var(--orange-500);outline-offset:2px;border-radius:4px}

.container{max-width:var(--container);margin-inline:auto;padding-inline:20px}
.section{padding:72px 0}
.section-tight{padding:44px 0}
@media (max-width:780px){ .section{padding:48px 0} }

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12.5px;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--blue-600);
  background:rgba(29,79,216,.08);border:1px solid rgba(29,79,216,.18);
  padding:6px 14px;border-radius:var(--r-pill);
}
.eyebrow.orange{color:var(--orange-600);background:rgba(242,118,14,.09);border-color:rgba(242,118,14,.2)}
.eyebrow.green{color:var(--green-600);background:rgba(14,161,82,.09);border-color:rgba(14,161,82,.2)}

.section-head{max-width:640px;margin-bottom:36px}
.section-head p{color:var(--muted);font-size:1.05rem}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-weight:700;font-size:.98rem;border:1px solid transparent;
  cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(242,118,14,.28)}
.btn-primary:hover{box-shadow:0 14px 30px rgba(242,118,14,.36)}
.btn-dark{background:var(--navy-900);color:#fff}
.btn-outline{background:transparent;border-color:var(--border);color:var(--navy-900)}
.btn-outline:hover{border-color:var(--blue-600);color:var(--blue-600)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-sm{padding:9px 18px;font-size:.85rem}

/* =================== HEADER =================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,251,.86);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:40px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-weight:600;font-size:.95rem;color:var(--ink-soft);padding:6px 2px;position:relative}
.nav-links a:hover{color:var(--navy-900)}
.nav-links a.active{color:var(--blue-600)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;border-radius:3px;background:var(--grad-brand)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:10px;padding:9px 10px}
.nav-toggle svg{width:20px;height:20px}

@media (max-width:900px){
  .nav-links{
    position:fixed;inset:64px 12px auto 12px;background:var(--surface);
    border:1px solid var(--border);border-radius:var(--r-lg);
    flex-direction:column;align-items:flex-start;padding:18px;gap:6px;
    box-shadow:var(--shadow-lg);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.2s ease;
  }
  .nav-links a{padding:10px 8px;width:100%;border-radius:8px}
  .nav-links a:hover{background:var(--bg-alt)}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-toggle{display:inline-flex}
  .nav-cta-desktop{display:none}
}

/* =================== RUNNING TEXT TICKER =================== */
.ticker-bar{
  background:var(--navy-900);
  color:#fff;
  overflow:hidden;
  position:relative;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.ticker-bar::before,.ticker-bar::after{
  content:"";position:absolute;top:0;bottom:0;width:56px;z-index:2;pointer-events:none;
}
.ticker-bar::before{left:0;background:linear-gradient(90deg,var(--navy-900),transparent)}
.ticker-bar::after{right:0;background:linear-gradient(-90deg,var(--navy-900),transparent)}
.ticker-label{
  position:absolute;left:0;top:0;bottom:0;z-index:3;display:flex;align-items:center;gap:8px;
  background:var(--grad-brand);color:#fff;font-family:var(--font-mono);font-weight:700;
  font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;padding:0 16px;
}
.ticker-track{display:flex;align-items:center;white-space:nowrap;animation:ticker 34s linear infinite;padding-left:150px}
.ticker-bar:hover .ticker-track{animation-play-state:paused}
.ticker-item{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:500;padding:11px 32px;border-right:1px solid rgba(255,255,255,.12)}
.ticker-item .dot{width:6px;height:6px;border-radius:50%;background:var(--green-500)}
.ticker-item a{color:#fff;text-decoration:none}
.ticker-item a:hover{text-decoration:underline}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* =================== HERO =================== */
.hero{position:relative;overflow:hidden;padding:64px 0 88px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media (max-width:960px){ .hero-grid{grid-template-columns:1fr} }
.hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);font-weight:800}
.hero h1 .accent{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.12rem;color:var(--ink-soft);max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:8px}
.hero-stat b{display:block;font-family:var(--font-display);font-size:1.5rem;color:var(--navy-900)}
.hero-stat span{font-size:.82rem;color:var(--muted)}
.hero-visual{position:relative}
.hero-card{
  background:var(--grad-dusk);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--shadow-lg);color:#fff;position:relative;overflow:hidden;
}
.hero-card .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#B9C8E8}
.chart-wrap{display:flex;align-items:flex-end;gap:10px;height:150px;margin:22px 0 8px}
.bar{flex:1;border-radius:8px 8px 2px 2px;background:linear-gradient(180deg,var(--green-500),var(--green-600));position:relative;animation:rise 1.1s cubic-bezier(.2,.8,.2,1) both}
.bar:nth-child(1){height:32%;animation-delay:.05s}
.bar:nth-child(2){height:48%;animation-delay:.15s}
.bar:nth-child(3){height:40%;animation-delay:.25s}
.bar:nth-child(4){height:68%;animation-delay:.35s}
.bar:nth-child(5){height:58%;animation-delay:.45s}
.bar:nth-child(6){height:88%;background:linear-gradient(180deg,var(--orange-500),var(--orange-600));animation-delay:.55s}
@keyframes rise{from{transform:scaleY(0);opacity:0}to{transform:scaleY(1);opacity:1}}
.hero-card-foot{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:#CBD7EF;border-top:1px solid rgba(255,255,255,.14);padding-top:14px}
.hero-card-foot b{color:var(--green-500);font-family:var(--font-mono)}
.float-chip{
  position:absolute;background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-md);
  padding:12px 16px;display:flex;align-items:center;gap:10px;font-weight:700;font-size:.85rem;color:var(--navy-900)
}
.float-chip.chip-1{top:-18px;right:8px}
.float-chip.chip-2{bottom:-16px;left:-14px}
@media (max-width:500px){ .float-chip{display:none} }
.float-chip .ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;font-size:15px}
.ic-green{background:var(--grad-money)} .ic-orange{background:linear-gradient(135deg,var(--orange-500),var(--orange-600))}

/* =================== MARQUEE PARTNER / TRUST =================== */
.trust-row{display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;color:var(--muted);font-size:.85rem;font-weight:600}

/* =================== KATEGORI =================== */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:900px){ .cat-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:520px){ .cat-grid{grid-template-columns:1fr} }
.cat-grid-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){ .cat-grid-3{grid-template-columns:repeat(2,1fr)} }
@media (max-width:520px){ .cat-grid-3{grid-template-columns:1fr} }
.cat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;transition:.2s ease;position:relative;overflow:hidden;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.cat-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;color:#fff}
.cat-card h3{font-size:1.05rem;margin-bottom:6px}
.cat-card p{color:var(--muted);font-size:.9rem;margin-bottom:0}
.cat-count{font-family:var(--font-mono);font-size:.75rem;color:var(--muted);margin-top:14px;display:inline-block}

/* =================== ARTICLE CARDS =================== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:960px){ .article-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:640px){ .article-grid{grid-template-columns:1fr} }
.article-grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:640px){ .article-grid-2{grid-template-columns:1fr} }
@media (max-width:640px){
  .promo-banner{flex-direction:column;align-items:flex-start !important;text-align:left;padding:22px 20px !important}
  .promo-banner img,.promo-banner > div:first-child{width:56px !important;height:56px !important;font-size:1.3rem !important}
  .promo-banner .btn{width:100%;text-align:center;margin-top:6px}
}
.article-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:.2s ease;height:100%;
}
.article-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.article-thumb{aspect-ratio:16/10;width:100%;position:relative}
.article-thumb svg,.article-thumb img{width:100%;height:100%;display:block;object-fit:cover}
.post-cover{aspect-ratio:1200/500}
.article-cat{
  position:absolute;top:12px;left:12px;background:rgba(10,27,51,.75);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;
  padding:5px 11px;border-radius:var(--r-pill);backdrop-filter:blur(4px)
}
.article-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-body h3{font-size:1.08rem;margin:0}
.article-body p{color:var(--muted);font-size:.9rem;margin:0;flex:1}
.article-meta{display:flex;align-items:center;gap:10px;font-size:.78rem;color:var(--muted);font-family:var(--font-mono)}
.article-card.featured{grid-column:span 2}
@media (max-width:640px){ .article-card.featured{grid-column:span 1} }
.article-card.featured .article-thumb{aspect-ratio:16/8}

/* =================== APP / EBOOK PROMO SECTIONS =================== */
.promo-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:900px){ .promo-split{grid-template-columns:1fr} }
.promo-split.reverse .promo-visual{order:2}
@media (max-width:900px){ .promo-split.reverse .promo-visual{order:0} }
.promo-visual{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.feature-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:.96rem;color:var(--ink-soft)}
.feature-list .check{flex:none;width:22px;height:22px;border-radius:50%;background:var(--grad-money);color:#fff;display:grid;place-items:center;font-size:12px;margin-top:2px}

/* =================== CTA BAND =================== */
.cta-band{
  background:var(--grad-dusk);border-radius:var(--r-lg);
  padding:56px;text-align:center;color:#fff;position:relative;overflow:hidden;
}
.cta-band h2{color:#fff}
.cta-band p{color:#CBD7EF;max-width:520px;margin-inline:auto}
.cta-band-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:24px}

/* =================== FOOTER =================== */
.site-footer{background:var(--navy-900);color:#B9C8E8;padding:60px 0 26px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:36px}
@media (max-width:820px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:520px){ .footer-grid{grid-template-columns:1fr} }
.footer-grid h4{color:#fff;font-size:.85rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:16px;font-family:var(--font-mono)}
.footer-grid a{display:block;color:#B9C8E8;font-size:.92rem;padding:6px 0;transition:.15s}
.footer-grid a:hover{color:#fff;padding-left:4px}
.footer-brand img{height:38px;margin-bottom:14px}
.footer-brand p{color:#94A5C6;font-size:.88rem;max-width:300px}
.social-row{display:flex;gap:10px;margin-top:16px}
.social-row a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);display:grid;place-items:center;padding:0}
.social-row a:hover{background:var(--grad-brand)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem;color:#7F90B4}

/* =================== BREADCRUMB / PAGE HEADER =================== */
.page-hero{background:var(--grad-dusk);color:#fff;padding:48px 0 64px}
.page-hero h1{color:#fff;font-size:clamp(1.8rem,3.6vw,2.6rem)}
.page-hero p{color:#CBD7EF;max-width:600px}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:.85rem;color:#9FB0D2;margin-bottom:16px}
.breadcrumb a:hover{color:#fff}

/* =================== SIDEBAR / FILTERS =================== */
.layout-with-sidebar{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
@media (max-width:900px){ .layout-with-sidebar{grid-template-columns:1fr} }
.filter-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  padding:9px 16px;border-radius:var(--r-pill);border:1px solid var(--border);
  background:var(--surface);font-size:.85rem;font-weight:600;color:var(--ink-soft);cursor:pointer;
}
.pill.active,.pill:hover{background:var(--navy-900);color:#fff;border-color:var(--navy-900)}
.side-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;margin-bottom:20px}
.side-box h4{font-size:.95rem;margin-bottom:14px}
.side-list li{padding:10px 0;border-bottom:1px solid var(--border);font-size:.88rem}
.side-list li:last-child{border-bottom:none}

/* =================== ARTICLE (single post) =================== */
.post-header{max-width:760px;margin-inline:auto;text-align:center}
.post-header h1{font-size:clamp(1.9rem,4vw,2.7rem)}
.post-meta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;color:#CBD7EF;font-size:.85rem;font-family:var(--font-mono)}
.post-cover{max-width:900px;margin:-44px auto 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative;z-index:2}
.post-body{max-width:740px;margin:48px auto 0;font-size:1.05rem;color:var(--ink-soft)}
.post-body h2{margin-top:1.8em;font-size:1.5rem;color:var(--navy-900)}
.post-body h3{margin-top:1.4em;font-size:1.2rem;color:var(--navy-900)}
.post-body ul,.post-body ol{margin:0 0 1.2em;padding-left:1.3em}
.post-body li{margin-bottom:.5em}
.post-body a{color:var(--blue-600);font-weight:600;text-decoration:underline;text-decoration-color:rgba(29,79,216,.35)}
.callout{
  background:rgba(14,161,82,.07);border:1px solid rgba(14,161,82,.22);border-left:4px solid var(--green-600);
  border-radius:12px;padding:18px 20px;margin:24px 0;font-size:.96rem
}
.callout b{color:var(--green-600)}
.toc{background:var(--bg-alt);border-radius:var(--r-md);padding:20px 24px;margin:28px 0}
.toc h4{font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}
.toc a{display:block;padding:5px 0;font-size:.92rem;color:var(--blue-600)}
.author-box{display:flex;gap:14px;align-items:center;background:var(--bg-alt);border-radius:var(--r-md);padding:18px;margin-top:40px}
.author-box .avatar{width:52px;height:52px;border-radius:50%;background:var(--grad-brand);flex:none}
.author-box b{display:block}
.author-box span{color:var(--muted);font-size:.85rem}
.share-row{display:flex;gap:10px;margin:28px 0}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.tag-chip{background:var(--bg-alt);color:var(--ink-soft);font-size:.8rem;font-weight:600;padding:7px 14px;border-radius:var(--r-pill)}

/* editable-content hint (helps user find where to edit) */
[data-editable]{position:relative}

/* =================== UTIL =================== */
.mt-0{margin-top:0}
.text-center{text-align:center}
.skip-link{position:absolute;left:-999px;top:0;background:#fff;padding:10px 16px;z-index:999;border-radius:0 0 8px 0}
.skip-link:focus{left:0}