/* ===== Sonjaya Network — stylesheet =====
   Design: dark "network" theme. Base ink background, electric-blue brand
   accent, and one distinct accent color per product unit so each node in
   the network reads as its own thing while sharing the same system. */

:root{
  --bg:#0B0E14;
  --bg-alt:#0E121B;
  --surface:#141A26;
  --surface-2:#1B2333;
  --border:rgba(255,255,255,0.09);
  --border-strong:rgba(255,255,255,0.16);
  --text:#ECEEF3;
  --text-dim:#9CA6B8;
  --text-faint:#616B80;

  --brand:#5C86FF;
  --brand-light:#8BAAFF;
  --exmud:#2ECC8F;
  --dunace:#B389F5;
  --hantu:#F0555C;
  --kaju:#F5A524;

  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;

  --font-display:'Space Grotesk', system-ui, sans-serif;
  --font-body:'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, monospace;

  --wrap:1160px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

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

.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:0;
  background:var(--brand);
  color:#04070E;
  padding:10px 16px;
  border-radius:0 0 8px 0;
  z-index:200;
  font-weight:600;
}
.skip-link:focus{ left:0; }

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.1rem, 5vw, 3.4rem); }
h2{ font-size:clamp(1.6rem, 3.4vw, 2.3rem); }
h3{ font-size:1.25rem; }

p{ margin:0 0 1em; color:var(--text-dim); }
em{ color:var(--text); font-style:normal; border-bottom:1px dashed var(--border-strong); }

a{ color:inherit; text-decoration:none; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand-light);
  margin:0 0 .9em;
}

.section-lead{
  max-width:640px;
  font-size:1.05rem;
}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(11,14,20,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.brand-word{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.05rem;
  letter-spacing:.02em;
  display:flex;
  flex-direction:column;
  line-height:1.05;
}
.brand-word-sub{
  font-family:var(--font-mono);
  font-weight:400;
  font-size:.6rem;
  letter-spacing:.24em;
  color:var(--text-faint);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:32px;
}
.main-nav a{
  font-size:.94rem;
  color:var(--text-dim);
  transition:color .15s ease;
}
.main-nav a:hover{ color:var(--text); }
.nav-cta{
  background:var(--brand);
  color:#04070E !important;
  padding:9px 18px;
  border-radius:100px;
  font-weight:600;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;
  height:40px;
  background:transparent;
  border:1px solid var(--border-strong);
  border-radius:8px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  height:2px;
  margin:0 8px;
  background:var(--text);
  border-radius:2px;
}

/* ===== Hero ===== */
.hero{ padding:64px 0 40px; overflow:hidden; }
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:48px;
  align-items:center;
}
.hero-lead{ font-size:1.12rem; max-width:52ch; }
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin:28px 0 40px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  border-radius:100px;
  font-weight:600;
  font-size:.96rem;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn-primary{ background:var(--brand); color:#04070E; }
.btn-primary:hover{ transform:translateY(-2px); }
.btn-ghost{ border:1px solid var(--border-strong); color:var(--text); }
.btn-ghost:hover{ border-color:var(--brand-light); color:var(--brand-light); }

.hero-stats{
  list-style:none;
  display:flex;
  gap:36px;
  margin:0;
  padding:24px 0 0;
  border-top:1px solid var(--border);
}
.hero-stats li{ display:flex; flex-direction:column; gap:2px; }
.stat-num{ font-family:var(--font-display); font-size:1.5rem; font-weight:700; }
.stat-label{ font-size:.8rem; color:var(--text-faint); }

.hero-visual{ position:relative; min-height:360px; }
#networkCanvas{
  width:100%;
  height:100%;
  min-height:360px;
  display:block;
}

/* ===== Products ===== */
.products{ padding:96px 0; background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.product-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
  margin-top:44px;
}
.product-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:transform .18s ease, border-color .18s ease;
}
.product-card:hover{ transform:translateY(-4px); border-color:var(--border-strong); }
.card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:6px;
}
.card-tag{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.06em;
  color:var(--text-faint);
  border:1px solid var(--border-strong);
  padding:4px 9px;
  border-radius:100px;
}
.card-node{
  width:10px; height:10px; border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(92,134,255,0.15);
}
.card-exmud .card-node{ background:var(--exmud); box-shadow:0 0 0 4px rgba(46,204,143,0.15); }
.card-dunace .card-node{ background:var(--dunace); box-shadow:0 0 0 4px rgba(179,137,245,0.15); }
.card-hantu .card-node{ background:var(--hantu); box-shadow:0 0 0 4px rgba(240,85,92,0.15); }
.card-kaju .card-node{ background:var(--kaju); box-shadow:0 0 0 4px rgba(245,165,36,0.15); }

.product-card h3{ margin-bottom:2px; }
.product-card p{ font-size:.94rem; flex:1; }
.card-link{
  font-weight:600;
  font-size:.9rem;
  color:var(--brand-light);
  margin-top:6px;
}
.card-exmud .card-link{ color:var(--exmud); }
.card-dunace .card-link{ color:var(--dunace); }
.card-hantu .card-link{ color:var(--hantu); }
.card-kaju .card-link{ color:var(--kaju); }

.card-next{
  border-style:dashed;
  border-color:var(--border-strong);
  justify-content:center;
  align-items:flex-start;
  background:transparent;
}
.card-next h3{ color:var(--text-faint); }

/* ===== About ===== */
.about{ padding:96px 0; }
.about-inner{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:56px;
}
.about-facts{ margin:0; display:flex; flex-direction:column; gap:22px; }
.about-facts div{
  border-top:1px solid var(--border);
  padding-top:14px;
}
.about-facts dt{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--brand-light);
  margin-bottom:6px;
}
.about-facts dd{ margin:0; color:var(--text); font-size:.98rem; }

/* ===== Contact ===== */
.contact{ padding:96px 0 110px; background:var(--bg-alt); border-top:1px solid var(--border); }
.contact-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.contact-cards{ display:flex; flex-direction:column; gap:14px; }
.contact-card{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px 22px;
  transition:border-color .15s ease, transform .15s ease;
}
.contact-card:hover{ border-color:var(--brand-light); transform:translateX(4px); }
.contact-icon{
  width:44px; height:44px;
  border-radius:50%;
  background:var(--surface-2);
  display:flex; align-items:center; justify-content:center;
  font-size:1.15rem;
  color:var(--brand-light);
  flex-shrink:0;
}
.contact-label{ display:block; font-size:.78rem; color:var(--text-faint); }
.contact-value{ display:block; font-weight:600; font-size:1.02rem; color:var(--text); }

/* ===== Footer ===== */
.site-footer{ padding:36px 0; border-top:1px solid var(--border); }
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:18px;
}
.brand-footer .brand-word{ font-size:.92rem; }
.footer-inner nav{ display:flex; gap:20px; flex-wrap:wrap; }
.footer-inner nav a{ font-size:.88rem; color:var(--text-dim); }
.footer-inner nav a:hover{ color:var(--text); }
.footer-copy{ margin:0; font-size:.82rem; color:var(--text-faint); }

/* ===== Focus states ===== */
a:focus-visible, button:focus-visible{
  outline:2px solid var(--brand-light);
  outline-offset:2px;
  border-radius:4px;
}

/* ===== Responsive ===== */
@media (max-width:900px){
  .product-grid{ grid-template-columns:repeat(2, 1fr); }
  .about-inner{ grid-template-columns:1fr; }
  .contact-inner{ grid-template-columns:1fr; }
}

@media (max-width:820px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; min-height:240px; }
  #networkCanvas{ min-height:240px; }
}

@media (max-width:720px){
  .main-nav{
    position:absolute;
    top:72px;
    left:0;
    right:0;
    background:var(--bg);
    border-bottom:1px solid var(--border);
    flex-direction:column;
    align-items:flex-start;
    padding:20px 24px 28px;
    gap:18px;
    display:none;
  }
  .main-nav.open{ display:flex; }
  .nav-cta{ align-self:flex-start; }
  .nav-toggle{ display:flex; }
  .hero{ padding:40px 0 24px; }
  .hero-stats{ gap:24px; flex-wrap:wrap; }
  .products,.about,.contact{ padding:64px 0; }
  .product-grid{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .product-card, .btn{ transition:none; }
}