/* Portofolio publik Etheron Network.
   Ruang kontrol jaringan yang tenang: hero navy dengan motif pulsa fiber,
   konten terang dan lapang, angka data monospace sebagai tanda tangan. */
:root{
  /* token diselaraskan persis dengan landing & app (brand Etheron) */
  --navy:#092BC7;        /* struktur, judul */
  --navy-d:#061a86;      /* gradien hero (tengah) */
  --navy-dd:#04114f;     /* gradien hero (paling gelap), sama seperti landing */
  --cyan:#13C8FB;        /* aksen */
  --ink:#11203a;         /* teks utama */
  --soft:#5d6b82;        /* teks sekunder (slate) */
  --line:#e7ecf4;        /* garis */
  --bg:#f5f8fd;          /* latar terang */
  --ok:#1f9d57;          /* operational (hijau brand) */
  --watch:#a16207;       /* terpantau, belum operational */
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}

/* Intro globe pembuka (varian terang), sama seperti landing */
.intro{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:var(--bg);transition:opacity .6s ease,visibility .6s ease}
.intro.hide{opacity:0;visibility:hidden;pointer-events:none}
.intro canvas{display:block}
@media (prefers-reduced-motion:reduce){.intro{transition:opacity .2s ease,visibility .2s ease}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--navy)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,"Roboto Mono",monospace;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em}
h1,h2,h3,.eyebrow{font-family:"Exo 2",system-ui,sans-serif}
.wrap,.about,.group,.cta,.ph,.ph-foot{max-width:1120px;margin-inline:auto;padding-inline:24px}

/* Header */
.ph{display:flex;align-items:center;justify-content:space-between;padding-block:18px}
.ph-brand img{height:34px;width:auto}
.ph-link{text-decoration:none;font-weight:600;color:var(--navy);
  border:1px solid var(--line);padding:7px 16px;border-radius:999px;background:#fff}
.ph-link:hover{border-color:var(--cyan)}

/* Hero */
.hero{position:relative;color:#eaf0ff;overflow:hidden;margin-top:8px;
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-d) 55%,var(--navy-dd) 100%)}
.hero-fiber{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.hero-in{position:relative;max-width:1120px;margin-inline:auto;padding:84px 24px 72px}
.eyebrow{margin:0 0 18px;font-size:13px;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cyan)}
.hero h1{margin:0;font-weight:700;font-size:clamp(34px,6vw,62px);line-height:1.04;
  letter-spacing:-.02em;color:#fff}
.lede{margin:22px 0 0;max-width:54ch;font-size:clamp(16px,2.2vw,19px);color:#b9c6ec}
.readout{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:30px 0 0;
  font-size:17px;color:#cdd8f5}
.readout .big{font-size:34px;font-weight:700;color:#fff}
.readout .of{color:#8ea2d8}
.pulse{width:11px;height:11px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(22,163,74,.55);animation:beat 1.9s infinite}
@keyframes beat{0%{box-shadow:0 0 0 0 rgba(22,163,74,.5)}
  70%{box-shadow:0 0 0 12px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}

/* Tentang */
.about{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;padding-block:64px}
.about h2{margin:0 0 14px;font-size:clamp(22px,3vw,30px);color:var(--navy);letter-spacing:-.01em}
.about p{margin:0;color:var(--ink);max-width:60ch}
.creds{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px}
.creds li{border-left:3px solid var(--cyan);padding-left:14px}
.creds .mono{display:block;font-size:21px;font-weight:600;color:var(--navy)}
.creds small{color:var(--soft)}

/* Grup proyek */
.group{padding-block:20px 44px}
.group-h{font-size:14px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--soft);margin:0 0 20px;display:flex;align-items:center;gap:14px}
.group-h::after{content:"";flex:1;height:1px;background:var(--line)}
.group.empty p{color:var(--soft);max-width:60ch;font-size:17px;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}

/* Kartu */
.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 30px -16px rgba(9,43,199,.35)}
.cover{position:relative;display:block;aspect-ratio:16/10;background:#dde4f4}
.cover img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--ok);backdrop-filter:blur(4px)}
.badge.watch{color:var(--watch)}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(22,163,74,.6);animation:beat 1.9s infinite}
.badge.watch .dot{background:var(--watch);animation:none}
.card-body{padding:18px 18px 20px}
.card-body h3{margin:0 0 6px;font-size:19px;color:var(--ink);letter-spacing:-.01em}
.scope{margin:0 0 14px;color:var(--soft);font-size:14.5px}
.meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.meta .yr{font-size:13px;color:var(--soft);background:var(--bg);
  border:1px solid var(--line);padding:2px 9px;border-radius:7px}
.uptime{font-size:13px;color:var(--soft)}
.uptime b{color:var(--navy);font-size:14px}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:16px}
.gallery a{aspect-ratio:1;border-radius:8px;overflow:hidden;background:#dde4f4}
.gallery img{width:100%;height:100%;object-fit:cover}

/* Footer */
.ph-foot{display:flex;justify-content:space-between;align-items:center;gap:14px;
  margin-top:40px;padding-block:26px;color:var(--soft);font-size:13px;border-top:1px solid var(--line)}
.ph-foot a{color:var(--navy);text-decoration:none;font-weight:600}
.ph-foot a:hover{color:var(--cyan)}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;
  background:rgba(8,16,40,.93);padding:24px}
.lightbox[hidden]{display:none}   /* atribut hidden harus menang atas display:flex */
.lightbox img{max-width:94vw;max-height:90vh;border-radius:10px;transition:opacity .2s ease}
.lightbox.loading img{opacity:0}
.lb-spin{position:absolute;width:46px;height:46px;border-radius:50%;
  border:3px solid rgba(255,255,255,.25);border-top-color:var(--cyan);
  animation:lbspin .8s linear infinite;display:none}
.lightbox.loading .lb-spin{display:block}
@keyframes lbspin{to{transform:rotate(360deg)}}
.lightbox button{position:absolute;top:18px;right:26px;background:none;border:none;
  color:#fff;font-size:38px;line-height:1;cursor:pointer}

@media (max-width:760px){
  .about{grid-template-columns:1fr;gap:30px;padding-block:48px}
  .hero-in{padding:60px 24px 52px}
  .gallery{grid-template-columns:repeat(4,1fr)}
}
@media (prefers-reduced-motion:reduce){
  .pulse,.badge .dot,.lb-spin{animation:none}
  .card,.lightbox img{transition:none}
  html{scroll-behavior:auto}
}