/* ByteThoughts — blog teknologi (dark mode)
   Palet: utama #0ea5e9, aksen #a3e635, tema gelap. Self-contained. */

:root{
  --bg:#0a0f1a;
  --bg2:#0f1626;
  --card:#111a2e;
  --card2:#16213a;
  --line:#1e2c47;
  --ink:#e6edf6;
  --muted:#93a4be;
  --dim:#6b7d99;
  --primary:#0ea5e9;
  --primary-d:#0284c7;
  --accent:#a3e635;
  --accent-d:#84cc16;
  --radius:14px;
  --maxw:1140px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --font:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}

/* ---------- Demo bar ---------- */
.demobar{
  background:linear-gradient(90deg,#0c4a6e,#155e75);
  color:#e0f2fe;font-size:13.5px;text-align:center;padding:7px 14px;
  border-bottom:1px solid rgba(163,230,53,.25);
}
.demobar a{color:#bef264;font-weight:600}
.demobar a:hover{color:#fff}
.demobar b{color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,15,26,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--maxw);margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-.4px}
.brand:hover{color:var(--ink)}
.brand .logo{width:34px;height:34px;flex:0 0 auto}
.brand b{color:var(--primary)}
.brand span{color:var(--accent)}

.menu{list-style:none;display:flex;gap:6px;margin:0;padding:0;align-items:center}
.menu a{
  color:var(--muted);font-weight:600;font-size:15px;padding:8px 13px;border-radius:9px;display:block;
}
.menu a:hover{color:var(--ink);background:var(--card2)}
.menu a.active{color:var(--bg);background:var(--accent)}
.menu .cta a{background:var(--primary);color:#fff}
.menu .cta a:hover{background:var(--primary-d);color:#fff}

#nav{display:none}
.burger{display:none;cursor:pointer;border:1px solid var(--line);border-radius:9px;padding:8px;background:var(--card)}
.burger svg{display:block}

/* ---------- Layout ---------- */
main{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section h2{font-size:30px;margin:0 0 8px;letter-spacing:-.6px}
.section .lead{color:var(--muted);max-width:680px;margin:0 0 36px;font-size:17px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;
}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 80% -10%,rgba(14,165,233,.22),transparent 60%),
    radial-gradient(700px 380px at 5% 110%,rgba(163,230,53,.13),transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:78px 20px 86px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,52px);line-height:1.08;margin:0 0 18px;letter-spacing:-1.2px}
.hero h1 .grad{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:var(--muted);margin:0 0 28px;max-width:540px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:11px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d);color:#fff}
.btn-accent{background:var(--accent);color:#10210a}
.btn-accent:hover{background:var(--accent-d);color:#10210a}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--card)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}

.hero-card{
  background:linear-gradient(160deg,var(--card),var(--bg2));
  border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow);
}
.code{
  font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:13.5px;line-height:1.8;
  background:#070b14;border:1px solid var(--line);border-radius:12px;padding:16px;overflow:auto;color:#cbd5e1;
}
.code .k{color:var(--accent)}
.code .s{color:#7dd3fc}
.code .c{color:var(--dim)}
.code .f{color:var(--primary)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:999px;background:var(--card2);color:var(--muted);border:1px solid var(--line)}
.tag.p{color:var(--primary);border-color:rgba(14,165,233,.4)}
.tag.a{color:var(--accent);border-color:rgba(163,230,53,.4)}

.stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:38px}
.stat .num{font-size:30px;font-weight:800;color:var(--accent);line-height:1}
.stat .lbl{font-size:13.5px;color:var(--dim);margin-top:4px}

/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:transform .15s ease,border-color .15s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(14,165,233,.5)}
.card .ico{
  width:46px;height:46px;border-radius:11px;display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(14,165,233,.18),rgba(163,230,53,.14));border:1px solid var(--line);
}
.card h3{margin:0 0 7px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:14.5px}

/* ---------- Article cards ---------- */
.posts{display:grid;gap:24px;grid-template-columns:repeat(3,1fr)}
.post{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .15s,border-color .15s;
}
.post:hover{transform:translateY(-4px);border-color:rgba(163,230,53,.5)}
.thumb{height:150px;position:relative;overflow:hidden}
.thumb.t1{background:linear-gradient(135deg,#0c4a6e,#0ea5e9)}
.thumb.t2{background:linear-gradient(135deg,#1e293b,#a3e635)}
.thumb.t3{background:linear-gradient(135deg,#0ea5e9,#1e1b4b)}
.thumb.t4{background:linear-gradient(135deg,#155e75,#84cc16)}
.thumb.t5{background:linear-gradient(135deg,#312e81,#0ea5e9)}
.thumb.t6{background:linear-gradient(135deg,#064e3b,#a3e635)}
.thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(120px 120px at 80% 20%,rgba(255,255,255,.18),transparent)}
.thumb .badge{position:absolute;top:12px;left:12px;z-index:2;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:rgba(7,11,20,.7);color:var(--accent);border:1px solid rgba(163,230,53,.4)}
.post .body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.post .meta{font-size:12.5px;color:var(--dim);margin-bottom:8px;display:flex;gap:10px;flex-wrap:wrap}
.post h3{margin:0 0 8px;font-size:18px;line-height:1.3}
.post h3 a{color:var(--ink)}
.post h3 a:hover{color:var(--primary)}
.post p{margin:0 0 16px;color:var(--muted);font-size:14.5px}
.post .more{margin-top:auto;font-weight:700;font-size:14px;color:var(--accent)}

/* ---------- Featured ---------- */
.feature{
  display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:var(--card);
}
.feature .fimg{min-height:280px;background:linear-gradient(135deg,#0c4a6e,#0ea5e9 60%,#a3e635);position:relative}
.feature .fimg::after{content:"";position:absolute;inset:0;background:radial-gradient(220px 180px at 75% 25%,rgba(255,255,255,.22),transparent)}
.feature .fbody{padding:36px}
.feature .fbody h2{font-size:26px;margin:10px 0 12px}
.feature .fbody p{color:var(--muted);margin:0 0 20px}

/* ---------- Newsletter ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--bg2),#0c2336);border:1px solid var(--line);border-radius:18px;
  padding:42px;text-align:center;
}
.cta-band h2{font-size:28px;margin:0 0 8px}
.cta-band p{color:var(--muted);margin:0 auto 24px;max-width:520px}
.subscribe{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap}
.subscribe input{
  flex:1;min-width:200px;background:#070b14;border:1px solid var(--line);border-radius:10px;
  padding:13px 15px;color:var(--ink);font-size:15px;font-family:inherit;
}
.subscribe input:focus{outline:none;border-color:var(--primary)}
.note{font-size:12.5px;color:var(--dim);margin-top:12px}

/* ---------- Article detail ---------- */
.article{max-width:760px;margin:0 auto;padding:46px 0}
.article .crumbs{font-size:13px;color:var(--dim);margin-bottom:18px}
.article h1{font-size:clamp(28px,4vw,40px);line-height:1.15;margin:0 0 14px;letter-spacing:-.8px}
.article .amenta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:var(--dim);font-size:14px;margin-bottom:26px}
.author{display:flex;align-items:center;gap:10px}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;font-weight:800;color:#07111a}
.hero-img{height:300px;border-radius:16px;background:linear-gradient(135deg,#0c4a6e,#0ea5e9 55%,#a3e635);margin-bottom:30px;position:relative}
.hero-img::after{content:"";position:absolute;inset:0;border-radius:16px;background:radial-gradient(240px 200px at 70% 25%,rgba(255,255,255,.2),transparent)}
.prose{font-size:17px;color:#cdd8e8}
.prose h2{font-size:24px;margin:34px 0 12px;color:var(--ink)}
.prose h3{font-size:19px;margin:26px 0 10px;color:var(--ink)}
.prose p{margin:0 0 18px}
.prose ul{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:7px}
.prose blockquote{
  margin:24px 0;padding:14px 20px;border-left:3px solid var(--accent);background:var(--card);border-radius:0 10px 10px 0;color:var(--muted);font-style:italic;
}
.prose pre{
  background:#070b14;border:1px solid var(--line);border-radius:12px;padding:16px;overflow:auto;
  font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:13.5px;color:#cbd5e1;margin:0 0 18px;
}
.prose code{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--card2);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--accent)}
.prose pre code{background:none;padding:0;color:inherit}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0}
.sharebar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin:30px 0;display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.sharebar a{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:var(--card2);border:1px solid var(--line)}
.sharebar a:hover{border-color:var(--primary)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--muted)}
.field input,.field textarea,.field select{
  width:100%;background:#070b14;border:1px solid var(--line);border-radius:10px;padding:12px 14px;
  color:var(--ink);font-size:15px;font-family:inherit;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--primary)}
.field textarea{resize:vertical;min-height:120px}
.contact-info .row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-info .row:last-child{border-bottom:none}
.contact-info .ico{flex:0 0 auto;width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:var(--card2);border:1px solid var(--line)}
.contact-info h4{margin:0 0 3px;font-size:15px}
.contact-info p{margin:0;color:var(--muted);font-size:14.5px}

/* ---------- About ---------- */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.member{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.member .face{width:72px;height:72px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;font-weight:800;font-size:24px;color:#07111a}
.member h4{margin:0 0 3px;font-size:16px}
.member .role{color:var(--accent);font-size:13.5px;font-weight:600;margin-bottom:8px}
.member p{color:var(--muted);font-size:14px;margin:0}
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}

/* ---------- Pagination ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.filters a{font-size:14px;font-weight:600;padding:8px 15px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--muted)}
.filters a:hover,.filters a.on{background:var(--accent);color:#10210a;border-color:var(--accent)}
.pager{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pager a,.pager span{padding:9px 15px;border-radius:9px;border:1px solid var(--line);color:var(--muted);font-weight:600;font-size:14px}
.pager .cur{background:var(--primary);color:#fff;border-color:var(--primary)}
.pager a:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);margin-top:30px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:52px 20px 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-inner h5{font-size:14px;letter-spacing:.5px;text-transform:uppercase;color:var(--dim);margin:0 0 14px}
.footer-inner ul{list-style:none;margin:0;padding:0}
.footer-inner li{margin-bottom:9px}
.footer-inner a{color:var(--muted);font-size:14.5px}
.footer-inner a:hover{color:var(--accent)}
.footer-about p{color:var(--muted);font-size:14.5px;margin:12px 0 0;max-width:300px}
.foot-bottom{border-top:1px solid var(--line);text-align:center;padding:18px;color:var(--dim);font-size:13.5px}
.foot-bottom b{color:var(--ink)}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .g3,.posts,.team{grid-template-columns:repeat(2,1fr)}
  .feature{grid-template-columns:1fr}
  .feature .fimg{min-height:180px}
  .contact-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .burger{display:block}
  .menu{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:var(--bg2);border-bottom:1px solid var(--line);padding:12px 16px;
    display:none;
  }
  #nav:checked ~ .menu{display:flex}
  .menu a{padding:11px 12px}
  .nav{position:relative;flex-wrap:wrap}
}
@media (max-width:560px){
  .g3,.g2,.posts,.team,.values{grid-template-columns:1fr}
  .section{padding:46px 0}
  .section h2{font-size:25px}
  .cta-band,.feature .fbody{padding:26px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:24px}
  .stats{gap:22px}
}