:root{
  --bg:#07080d;
  --surface:#10121a;
  --surface-soft:#171a24;
  --surface-hover:#1d2130;
  --text:#f2f3f7;
  --muted:#a7adbb;
  --border:#292d3a;
  --purple:#765ac8;
  --pink:#b85e8b;
  --blue:#557fb7;
  --blue-light:#8fb3e6;
  --dark:#07080d;
  --radius:12px;
  --shadow:0 12px 34px rgba(0,0,0,.28);
  --max:1120px;
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  overflow-x:hidden;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.75;
  background:
    radial-gradient(
      circle at 10% 5%,
      rgba(118,90,200,.11),
      transparent 25%
    ),
    radial-gradient(
      circle at 90% 10%,
      rgba(85,127,183,.10),
      transparent 24%
    ),
    var(--bg);
}

a{
  color:var(--blue-light);
  text-decoration:none;
}

a:hover{
  text-decoration:underline;
}

img{
  display:block;
  max-width:100%;
  height:auto;
}

.container{
  width:min(100% - 28px,var(--max));
  margin-inline:auto;
}

/* =========================
   HEADER
========================= */

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  width:100%;
  background:rgba(10,11,17,.94);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}

.topbar{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}

.brand{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text);
  font-size:1.08rem;
  font-weight:800;
  letter-spacing:.01em;
}

.brand:hover{
  text-decoration:none;
}

.brand span{
  color:#a98be8;
}

.brand img{
  width:86px;
  max-width:86px;
  height:auto;
  object-fit:contain;
}

.main-nav{
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:8px;
  overflow-x:auto;
  overflow-y:hidden;
  white-space:nowrap;
  scrollbar-width:none;
}

.main-nav::-webkit-scrollbar{
  display:none;
}

.main-nav a{
  flex:none;
  min-height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 13px;
  color:#c1c5d0;
  border-radius:8px;
  font-size:.9rem;
  font-weight:700;
  line-height:1.2;
  white-space:nowrap;
}

.main-nav a:hover{
  color:#fff;
  text-decoration:none;
  background:var(--surface-hover);
}

.main-nav a.active{
  color:#fff;
  text-decoration:none;
  background:linear-gradient(
    135deg,
    var(--purple),
    var(--blue)
  );
}

/* =========================
   HERO
========================= */

.hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  background:
    linear-gradient(
      90deg,
      rgba(7,8,13,.95) 0%,
      rgba(7,8,13,.87) 34%,
      rgba(7,8,13,.60) 68%,
      rgba(7,8,13,.72) 100%
    ),
    url("https://higgsdomino.link/imglbk/ebabebe3ef05f3a13702480dcdb0de83.jpg");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  border-bottom:1px solid var(--border);
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(
      circle at 12% 15%,
      rgba(118,90,200,.26),
      transparent 34%
    ),
    radial-gradient(
      circle at 88% 20%,
      rgba(85,127,183,.19),
      transparent 31%
    ),
    linear-gradient(
      180deg,
      rgba(7,8,13,.04) 0%,
      rgba(7,8,13,.47) 100%
    );
}

.hero-inner{
  position:relative;
  z-index:1;
  min-height:520px;
  max-width:820px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:72px 0;
}

.eyebrow{
  display:inline-block;
  width:max-content;
  max-width:100%;
  margin-bottom:10px;
  color:#d2c3f5;
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
  text-shadow:0 2px 12px rgba(0,0,0,.65);
}

h1,
h2,
h3{
  color:var(--text);
  line-height:1.3;
}

h1{
  margin:0 0 16px;
  font-size:clamp(2rem,6vw,3.55rem);
  letter-spacing:-.035em;
}

h2{
  margin:34px 0 12px;
  font-size:clamp(1.45rem,4vw,2rem);
  letter-spacing:-.018em;
}

h3{
  margin:26px 0 8px;
  font-size:1.17rem;
}

.hero h1{
  color:#fff;
  text-shadow:
    0 3px 14px rgba(0,0,0,.75),
    0 1px 2px rgba(0,0,0,.9);
}

.hero p{
  max-width:720px;
  margin:0 0 22px;
  color:#d3d6df;
  font-size:1.02rem;
  text-shadow:0 2px 9px rgba(0,0,0,.8);
}

/* =========================
   BUTTON
========================= */

.btn-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.btn{
  min-height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 17px;
  border-radius:9px;
  font-weight:800;
  text-decoration:none!important;
}

.btn-primary{
  color:#fff;
  background:linear-gradient(
    135deg,
    var(--purple),
    var(--pink)
  );
  box-shadow:0 10px 26px rgba(118,90,200,.20);
}

.btn-primary:hover{
  filter:brightness(1.08);
}

.btn-secondary{
  color:var(--text);
  background:rgba(23,26,36,.90);
  border:1px solid rgba(255,255,255,.13);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}

.btn-secondary:hover{
  background:var(--surface-hover);
}

/* =========================
   PATH TABS
========================= */

.path-tabs{
  background:#0b0d13;
  border-bottom:1px solid var(--border);
}

.tabs-inner{
  display:flex;
  gap:8px;
  overflow-x:auto;
  overflow-y:hidden;
  padding:12px 0;
  scrollbar-width:none;
}

.tabs-inner::-webkit-scrollbar{
  display:none;
}

.tab-link{
  flex:none;
  padding:8px 14px;
  color:#c4c8d3;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:999px;
  font-size:.88rem;
  font-weight:750;
}

.tab-link:hover{
  color:#fff;
  text-decoration:none;
  background:var(--surface-hover);
}

.tab-link.active{
  color:#fff;
  text-decoration:none;
  border-color:transparent;
  background:linear-gradient(
    135deg,
    var(--purple),
    var(--blue)
  );
}

/* =========================
   MAIN CONTENT
========================= */

.site-main{
  padding:34px 0 56px;
}

.content-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 290px;
  gap:26px;
  align-items:start;
}

.content-card,
.sidebar-card{
  background:linear-gradient(
    180deg,
    #11131c 0%,
    #0f1118 100%
  );
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.content-card{
  min-width:0;
  padding:28px;
}

.sidebar{
  min-width:0;
  display:grid;
  gap:16px;
}

.sidebar-card{
  min-width:0;
  padding:18px;
}

.sidebar-card h3{
  margin:0 0 12px;
  font-size:1rem;
}

.sidebar-card p{
  color:var(--muted);
}

.sidebar-card ul{
  margin:0;
  padding-left:18px;
}

.sidebar-card li+li{
  margin-top:7px;
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:14px;
  color:var(--muted);
  font-size:.85rem;
}

.breadcrumb a{
  color:#b8cceb;
}

.post-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 16px;
  margin:-4px 0 22px;
  color:var(--muted);
  font-size:.85rem;
}

.lead{
  color:#d8dbe5;
  font-size:1.04rem;
}

.content-card p{
  color:#c6cad5;
}

/* =========================
   NOTICE
========================= */

.notice{
  margin:22px 0;
  padding:15px 16px;
  color:#d7cfeb;
  background:#191526;
  border-left:4px solid var(--purple);
  border-radius:8px;
}

/* =========================
   SERVICE GRID
========================= */

.service-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:15px;
  margin:22px 0;
}

.service-card{
  min-width:0;
  padding:18px;
  background:linear-gradient(
    180deg,
    #171a24,
    #131620
  );
  border:1px solid var(--border);
  border-radius:10px;
}

.service-card h3{
  margin:0 0 7px;
}

.service-card p{
  margin:0;
  color:var(--muted);
}

/* =========================
   TABLE OF CONTENT
========================= */

.toc{
  margin:24px 0;
  padding:17px 18px;
  background:#151822;
  border:1px solid var(--border);
  border-radius:10px;
}

.toc strong{
  display:block;
  margin-bottom:8px;
}

.toc ol{
  margin:0;
  padding-left:20px;
}

.toc a{
  color:#a9c5ec;
}

/* =========================
   CTA BOX
========================= */

.cta-box{
  margin:30px 0;
  padding:22px;
  color:#fff;
  background:
    radial-gradient(
      circle at 100% 0%,
      rgba(255,255,255,.08),
      transparent 34%
    ),
    linear-gradient(
      135deg,
      #403266,
      #304c70
    );
  border:1px solid rgba(142,116,217,.25);
  border-radius:12px;
}

.cta-box h2,
.cta-box h3{
  margin-top:0;
  color:#fff;
}

.cta-box p{
  color:#e1e5ee;
}

.cta-box .btn-secondary{
  color:#fff;
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.22);
}

/* =========================
   FAQ
========================= */

.faq{
  margin-top:34px;
}

.faq details{
  overflow:hidden;
  background:#12151e;
  border:1px solid var(--border);
  border-radius:10px;
}

.faq details+details{
  margin-top:10px;
}

.faq summary{
  position:relative;
  padding:15px 44px 15px 16px;
  color:var(--text);
  cursor:pointer;
  list-style:none;
  font-weight:800;
}

.faq summary::-webkit-details-marker{
  display:none;
}

.faq summary::after{
  content:"+";
  position:absolute;
  right:16px;
  top:50%;
  color:#b89eea;
  font-size:1.1rem;
  transform:translateY(-50%);
}

.faq details[open] summary{
  background:#171a25;
}

.faq details[open] summary::after{
  content:"–";
}

.faq-answer{
  padding:0 16px 16px;
  color:var(--muted);
}

.faq-answer p{
  margin:0;
  color:var(--muted);
}

/* =========================
   FOOTER
========================= */

.footer{
  padding:34px 0 90px;
  color:#a7adbb;
  background:#05060a;
  border-top:1px solid var(--border);
}

.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:24px;
}

.footer strong{
  color:#fff;
}

.footer p{
  margin:0;
}

.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px 16px;
}

.footer a{
  color:#d8dbea;
}

/* =========================
   MOBILE CTA
========================= */

.mobile-cta{
  display:none;
}

/* =========================
   TABLET
========================= */

@media(max-width:860px){

  .topbar{
    min-height:76px;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:8px 0;
  }

  .brand img{
    width:64px;
    max-width:64px;
  }

  .main-nav{
    flex:1 1 auto;
    width:auto;
    min-width:0;
    justify-content:flex-end;
    gap:4px;
  }

  .main-nav a{
    min-height:40px;
    padding:8px 10px;
    font-size:.78rem;
  }

  .content-layout{
    grid-template-columns:1fr;
  }

  .sidebar{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .hero{
    background-position:62% center;
  }

  .hero-inner{
    min-height:500px;
  }
}

/* =========================
   MOBILE
========================= */

@media(max-width:640px){

  .container{
    width:min(100% - 20px,var(--max));
  }

  /*
    Header dibuat menyusut mengikuti isi,
    kemudian seluruh grup logo + menu diposisikan di tengah.
  */
  .topbar{
    width:max-content;
    max-width:calc(100% - 20px);
    min-height:76px;
    margin-inline:auto;
    display:flex;
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:10px;
    padding:8px 0;
  }

  .brand{
    flex:0 0 56px;
    width:56px;
    min-width:56px;
    margin:0;
  }

  .brand img{
    width:56px;
    max-width:56px;
    height:auto;
  }

  .main-nav{
    flex:0 1 auto;
    width:auto;
    min-width:0;
    max-width:calc(100vw - 96px);
    display:flex;
    align-items:center;
    justify-content:flex-start;
    gap:3px;
    margin:0;
    overflow-x:auto;
    overflow-y:hidden;
    white-space:nowrap;
  }

  .main-nav a{
    flex:none;
    min-height:38px;
    padding:7px 8px;
    border-radius:7px;
    font-size:.70rem;
    line-height:1.15;
  }

  .hero{
    background:
      linear-gradient(
        180deg,
        rgba(7,8,13,.58) 0%,
        rgba(7,8,13,.75) 48%,
        rgba(7,8,13,.97) 100%
      ),
      url("https://higgsdomino.link/imglbk/ebabebe3ef05f3a13702480dcdb0de83.jpg");
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
  }

  .hero::before{
    background:
      radial-gradient(
        circle at 50% 20%,
        rgba(118,90,200,.18),
        transparent 38%
      ),
      linear-gradient(
        180deg,
        rgba(7,8,13,.03),
        rgba(7,8,13,.35)
      );
  }

  .hero-inner{
    min-height:500px;
    padding:52px 0 44px;
    justify-content:flex-end;
  }

  .hero h1{
    font-size:clamp(2rem,10vw,2.75rem);
    line-height:1.2;
  }

  .hero p{
    font-size:.95rem;
    line-height:1.7;
  }

  .site-main{
    padding-top:20px;
  }

  .content-card{
    padding:20px;
  }

  .service-grid,
  .sidebar,
  .footer-grid{
    grid-template-columns:1fr;
  }

  .btn-row{
    display:grid;
    grid-template-columns:1fr;
  }

  .btn{
    width:100%;
  }

  .footer{
    padding-bottom:100px;
  }

  .mobile-cta{
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:60;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:8px;
    padding:9px 10px calc(9px + env(safe-area-inset-bottom));
    background:rgba(7,8,13,.96);
    border-top:1px solid rgba(255,255,255,.08);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
  }

  .mobile-cta a{
    min-height:44px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    border-radius:9px;
    font-size:.81rem;
    font-weight:850;
    line-height:1.2;
    text-align:center;
  }

  .mobile-cta .royal{
    background:linear-gradient(
      135deg,
      var(--purple),
      var(--pink)
    );
  }

  .mobile-cta .higgs{
    background:linear-gradient(
      135deg,
      var(--blue),
      var(--purple)
    );
  }
}

/* =========================
   MOBILE 390PX
========================= */

@media(max-width:390px){

  .topbar{
    max-width:calc(100% - 18px);
    gap:9px;
  }

  .brand{
    flex-basis:54px;
    width:54px;
    min-width:54px;
  }

  .brand img{
    width:54px;
    max-width:54px;
  }

  .main-nav{
    max-width:calc(100vw - 90px);
    gap:3px;
  }

  .main-nav a{
    min-height:37px;
    padding:7px 8px;
    font-size:.68rem;
  }
}

/* =========================
   HP KECIL
========================= */

@media(max-width:360px){

  .container{
    width:min(100% - 14px,var(--max));
  }

  .topbar{
    max-width:calc(100% - 12px);
    gap:7px;
  }

  .brand{
    flex-basis:48px;
    width:48px;
    min-width:48px;
  }

  .brand img{
    width:48px;
    max-width:48px;
  }

  .main-nav{
    max-width:calc(100vw - 74px);
    gap:2px;
  }

  .main-nav a{
    min-height:35px;
    padding:6px;
    font-size:.63rem;
  }
}

/* =========================
   REDUCED MOTION
========================= */

@media(prefers-reduced-motion:reduce){

  html{
    scroll-behavior:auto;
  }

  *,
  *::before,
  *::after{
    transition:none!important;
  }
}