:root{
      --bg: #05070a;
      --bg-soft: #0a0f15;
      --bg-card: rgba(255,255,255,0.04);
      --bg-card-hover: rgba(255,255,255,0.07);
      --text: #e9edf2;
      --muted: #a8b3c0;
      --accent: #7fd1ff;
      --accent-2: #9b8cff;
      --line: rgba(255,255,255,0.12);
      --radius: 18px;
      --radius-lg: 22px;
      --shadow: 0 10px 30px rgba(0,0,0,0.45);
      --maxw: 1180px;
    }

    *{ box-sizing: border-box; }
    body{
      margin:0;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
      background: radial-gradient(1200px 800px at 70% -10%, #0d1a2b 0%, var(--bg) 55%) fixed;
      color: var(--text);
      line-height: 1.5;
    }
    a{ color: inherit; text-decoration: none; }
    img{ max-width: 100%; display: block; }

    /* ====== NAV ====== */
    header{
      position: sticky;
      top:0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(5,7,10,0.7);
      border-bottom: 1px solid var(--line);
    }
    .nav-wrap{
      max-width: var(--maxw);
      margin: 0 auto;
      padding: 10px 16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
    }
    .brand{
      display:flex; align-items:center; gap:10px;
    }
    .brand-logo{
      width:64px; height:64px; border-radius: 10px;
      background: rgba(255,255,255,0.04);
      display:grid; place-items:center;
      overflow:hidden;
    }
    .brand-logo img{ width:100%; height:100%; object-fit:contain; }
    .brand-name{
      font-weight: 700; letter-spacing: 0.4px;
      font-size: 1.05rem;
    }
    nav ul{
      list-style:none; margin:0; padding:0;
      display:flex; gap:8px; align-items:center;
    }
    nav a{
      font-size: .9rem;
      padding: 8px 12px;
      border-radius: 10px;
      color: var(--muted);
      border: 1px solid transparent;
      transition: .2s ease;
    }
    nav a:hover{
      color: var(--text);
      background: rgba(255,255,255,0.05);
      border-color: var(--line);
    }
    .nav-cta{
      margin-left:6px;
      color: var(--text);
      background: linear-gradient(90deg, rgba(127,209,255,.18), rgba(155,140,255,.18));
      border: 1px solid var(--line);
    }

    .hamburger{
      display:none; cursor:pointer;
      width:42px; height:42px; border-radius:10px;
      background: rgba(255,255,255,0.05); border:1px solid var(--line);
      align-items:center; justify-content:center;
    }
    .hamburger span{
      width:18px; height:2px; background: var(--text);
      display:block; margin:3px 0;
    }
    .mobile-menu{
      display:none;
      padding: 8px 16px 14px;
      border-top:1px solid var(--line);
    }
    .mobile-menu a{
      display:block; padding:10px 8px; color: var(--muted);
      border-radius:8px;
    }
    .mobile-menu a:hover{ background: rgba(255,255,255,0.06); color: var(--text); }

    /* ====== SECTIONS ====== */
    .container{
      max-width: var(--maxw);
      margin: 0 auto;
      padding: 0 16px;
    }
    section{ padding: 56px 0; }
    .section-title{
      font-size: 1.7rem; font-weight: 700; margin:0 0 10px;
      letter-spacing: .2px;
    }
    .section-sub{
      color: var(--muted); max-width: 820px; margin:0 0 22px;
      font-size: 1.02rem;
    }
    .grid{
      display:grid; gap:14px;
    }
    .card{
      background: var(--bg-card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 18px;
      box-shadow: var(--shadow);
      transition: .2s ease;
    }
    .card:hover{
      background: var(--bg-card-hover);
      transform: translateY(-2px);
    }

    /* ====== HERO ====== */
    .hero{
      padding: 6px 0 40px;
      position:relative;
      overflow:hidden;
    }
    .hero-wrap{
      display:grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 18px;
      align-items:center;
      min-height: 66vh;
    }
    .hero-kicker{
      color: var(--accent);
      font-weight: 600;
      letter-spacing: .12em;
      text-transform: uppercase;
      font-size: .78rem;
      margin-bottom: 10px;
    }
    .hero-title{
      font-size: clamp(2.2rem, 4.2vw, 3.6rem);
      font-weight: 800;
      margin: 0 0 8px;
      line-height: 1.1;
    }
    .hero-title span{
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
      -webkit-background-clip: text;
      background-clip:text;
      color: transparent;
    }
    .hero-sub{
      font-size: clamp(1rem, 1.6vw, 1.2rem);
      color: var(--muted);
      margin: 0 0 18px;
      max-width: 680px;
    }
    .hero-actions{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      padding: 11px 16px; border-radius: 12px;
      font-weight: 600; font-size: .95rem; letter-spacing:.2px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.05);
      transition: .2s ease;
    }
    .btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,0.08); }
    .btn-primary{
      background: linear-gradient(90deg, rgba(127,209,255,.25), rgba(155,140,255,.25));
      border-color: rgba(255,255,255,0.22);
      color: var(--text);
    }

    .hero-visual{
      position:relative;
      display:grid; place-items:center;
      padding: 14px;
    }
    .hero-ring{
      width:min(420px, 85vw);
      aspect-ratio:1/1;
      border-radius:999px;
      background:
        radial-gradient(closest-side, rgba(0,0,0,0.2), transparent 70%),
        conic-gradient(from 210deg, rgba(127,209,255,.35), rgba(155,140,255,.25), rgba(127,209,255,.35));
      filter: blur(0.2px);
      display:grid; place-items:center;
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: inset 0 0 80px rgba(0,0,0,0.7), 0 25px 70px rgba(0,0,0,0.6);
    }
    .hero-diamond{
      width: 110%;
      filter: drop-shadow(0 12px 40px rgba(0,0,0,.65));
      opacity: .98;
    }
    .hero-watermark{
      position:absolute;
      inset:auto 0 -50px 0;
      text-align:center;
      font-size: clamp(3rem, 9vw, 6.2rem);
      font-weight: 900;
      letter-spacing: .12em;
      color: rgba(255,255,255,0.04);
      user-select:none;
      pointer-events:none;
    }

    /* ====== WHO WE ARE ====== */
    .pillars{
      grid-template-columns: repeat(3, 1fr);
    }
    .pillar-title{
      font-weight: 700; margin:0 0 6px; font-size:1.05rem;
    }
    .pillar-sub{ color: var(--muted); font-size:.96rem; margin:0; }

    /* ====== TRIADE ====== */
    .triad{
      grid-template-columns: repeat(3,1fr);
    }
    .triad .card{ padding: 20px; }
    .tag{
      display:inline-block; font-size:.75rem; font-weight:700;
      letter-spacing:.08em; text-transform:uppercase;
      color: var(--accent);
      margin-bottom: 8px;
    }

    /* ====== PROJECTS ====== */
    .projects{
      grid-template-columns: repeat(2,1fr);
    }
    .project-card{
      display:flex; flex-direction:column; gap:10px;
    }
    .project-head{
      display:flex; justify-content:space-between; align-items:center; gap:8px;
    }
    .project-title{ font-weight:800; font-size:1.15rem; margin:0; }
    .trl{
      font-size:.8rem; color: var(--muted);
      padding:4px 8px; border-radius:999px; border:1px solid var(--line);
      background: rgba(255,255,255,0.03);
      white-space:nowrap;
    }
    .project-desc{ color: var(--muted); margin:0; font-size:.98rem; }
    .project-actions{ margin-top:4px; }

    /* ====== NEWS ====== */
    .news-grid{
      grid-template-columns: repeat(3,1fr);
    }
    .news-meta{ color: var(--muted); font-size:.8rem; margin-bottom:6px; }
    .news-title{ margin:0 0 6px; font-weight:700; }
    .news-desc{ margin:0; color: var(--muted); font-size:.95rem; }

    /* ====== VISION ====== */
    .vision{
      background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .vision-quote{
      font-size: clamp(1.2rem, 2.4vw, 1.7rem);
      font-weight: 700;
      text-align:center;
      margin:0 auto;
      max-width: 900px;
    }
    .vision-quote span{
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
      -webkit-background-clip:text; background-clip:text; color:transparent;
    }

    /* ====== FOOTER ====== */
    footer{
      padding: 34px 0 40px; color: var(--muted);
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.5fr repeat(3,1fr); gap:16px;
    }
    .footer-title{ color: var(--text); font-weight:700; margin:0 0 8px; }
    .footer-list{ list-style:none; margin:0; padding:0; display:grid; gap:6px; font-size:.95rem; }
    .footer-list a:hover{ color: var(--text); }

    /* ====== RESPONSIVE ====== */
    @media (max-width: 980px){
      .hero-wrap{ grid-template-columns: 1fr; min-height:auto; padding-top:10px; }
      .pillars, .triad, .news-grid{ grid-template-columns: 1fr; }
      .projects{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 720px){
      nav ul{ display:none; }
      .hamburger{ display:flex; }
      .mobile-menu{ display:block; }
      .footer-grid{ grid-template-columns: 1fr; }
    }
    /* =========================================================
   Compatibility for ecosystem pages (does not affect index)
   ========================================================= */

/* header + nav used in /ecosystem pages */
.header{
  position: sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(5,7,10,0.7);
  border-bottom: 1px solid var(--line);
}

.nav-brand{
  display:flex;
  align-items:center;
  gap:10px;
}

.nav-logo{
  width:64px;
  height:64px;
  object-fit: contain;
  background: rgba(255,255,255,0.04);
  border-radius:10px;
  padding:6px;
}

.nav-title{
  font-weight:700;
  letter-spacing:.4px;
  font-size:1.05rem;
}

.nav{
  display:flex;
  gap:8px;
  align-items:center;
}

.nav a{
  font-size: .9rem;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: .2s ease;
}

.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border-color: var(--line);
}

.nav-cta{
  margin-left:6px;
  color: var(--text);
  background: linear-gradient(90deg, rgba(127,209,255,.18), rgba(155,140,255,.18));
  border: 1px solid var(--line);
}

/* footer used in /ecosystem pages */
.footer{
  margin-top:40px;
  padding:30px 0;
  border-top:1px solid var(--line);
  color: var(--muted);
}

.footer-grid{
  display:grid;
  grid-template-columns: 1.5fr repeat(3,1fr);
  gap:16px;
}

.footer-col h4{
  color: var(--text);
  font-weight:700;
  margin:0 0 8px;
}

.footer-col a{
  display:block;
  margin:6px 0;
  font-size:.95rem;
  color: var(--muted);
}

.footer-col a:hover{
  color: var(--text);
}

.footer-bottom{
  margin-top:18px;
  font-size:.85rem;
  color: var(--muted);
}

/* responsive */
@media (max-width: 980px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px){
  .footer-grid{ grid-template-columns: 1fr; }
}