:root {
      --clr-bg:       #000000;
      --clr-card:     #0d0d0d;
      --clr-green:    #fff;
      --clr-blue:     #00b4ff;
      --clr-amber:    #ffb400;
      --clr-border:   rgba(255,255,255,0.07);
      --clr-text:     rgba(255,255,255,0.75);
      --clr-muted:    rgba(255,255,255,0.35);
      --font-display: 'Orbitron', monospace;
      --font-mono:    'Share Tech Mono', monospace;
      --tr:           0.28s cubic-bezier(.23,1,.32,1);
    }
 
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
 
    body {
      background: var(--clr-bg);
      color: var(--clr-text);
      font-family: var(--font-mono);
      min-height: 100vh;
      overflow-x: hidden;
      position: relative;
    }
 
    body::before {
      content: '';
      position: fixed; inset: 0;
      background: repeating-linear-gradient(to bottom, transparent 0px, transparent 3px, rgba(0,0,0,0.07) 3px, rgba(0,0,0,0.07) 4px);
      pointer-events: none; z-index: 9999; opacity: .5;
    }
 
    .sm-bg-grid {
      position: fixed; inset: 0;
      background-image: linear-gradient(rgba(0,255,180,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(0,255,180,0.025) 1px, transparent 1px);
      background-size: 48px 48px; pointer-events: none; z-index: 0;
    }
    .sm-bg-glow  { position: fixed; top: -30%; left: -20%; width: 70%; height: 70%; background: radial-gradient(ellipse, rgba(0,255,180,0.04) 0%, transparent 70%); pointer-events: none; z-index: 0; }
    .sm-bg-glow2 { position: fixed; bottom: -30%; right: -20%; width: 70%; height: 70%; background: radial-gradient(ellipse, rgba(0,180,255,0.04) 0%, transparent 70%); pointer-events: none; z-index: 0; }
 
    .sm-wrapper { position: relative; z-index: 1; padding: 35px 20px 0px; }
 
    .sm-header { text-align: center; margin-bottom: 56px; }
    .sm-eyebrow { font-family: var(--font-display); font-size: 10px; letter-spacing: 8px; color: var(--clr-green); text-transform: uppercase; margin-bottom: 14px; opacity: 0; animation: sm-fadein .6s ease forwards .1s; }
    .sm-title   { font-family: var(--font-display); font-size: clamp(22px,5vw,46px); font-weight: 900; color: #fff; letter-spacing: 3px; line-height: 1.1; opacity: 0; animation: sm-fadein .7s ease forwards .2s; }
    .sm-title .sm-accent { color: var(--clr-green); }
    .sm-subtitle { font-size: 11px; color: var(--clr-muted); letter-spacing: 2px; margin-top: 10px; opacity: 0; animation: sm-fadein .6s ease forwards .35s; }
    .sm-divider  { width: 80px; height: 2px; background: linear-gradient(90deg, var(--clr-green), var(--clr-blue)); margin: 20px auto 0; border-radius: 2px; opacity: 0; animation: sm-fadein .6s ease forwards .45s; }
 
    .sm-search-wrap { max-width: 480px; margin: 0 auto 50px; position: relative; opacity: 0; animation: sm-fadein .6s ease forwards .55s; }
    .sm-search { width: 100%; background: var(--clr-card); border: 1px solid rgba(0,255,180,0.2); border-radius: 8px; padding: 12px 18px 12px 46px; font-family: var(--font-mono); font-size: 13px; color: #fff; outline: none; transition: border-color var(--tr), box-shadow var(--tr); }
    .sm-search::placeholder { color: var(--clr-muted); }
    .sm-search:focus { border-color: var(--clr-green); box-shadow: 0 0 0 3px rgba(0,255,180,0.1); }
    .sm-search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--clr-green); font-size: 16px; }
 
    .sm-stats { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; margin-bottom: 48px; opacity: 0; animation: sm-fadein .6s ease forwards .5s; }
    .sm-stat { text-align: center; }
    .sm-stat-num { font-family: var(--font-display); font-size: 28px; font-weight: 800; color: #fff; display: block; line-height: 1; }
    .sm-stat-label { font-size: 9px; letter-spacing: 2px; color: var(--clr-muted); text-transform: uppercase; margin-top: 4px; }
    .sm-stat:nth-child(1) .sm-stat-num { color: var(--clr-green); }
    .sm-stat:nth-child(2) .sm-stat-num { color: var(--clr-blue); }
    .sm-stat:nth-child(3) .sm-stat-num { color: var(--clr-amber); }
 
    .sm-root-wrap { display: flex; justify-content: center; margin-bottom: 0; opacity: 0; animation: sm-fadein .6s ease forwards .6s; }
    .sm-root-node { background: #000; border: 1.5px solid var(--clr-green); border-radius: 12px; padding: 16px 36px; font-family: var(--font-display); font-size: 16px; font-weight: 700; letter-spacing: 2px; color: var(--clr-green); cursor: default; text-align: center; transition: box-shadow var(--tr), transform var(--tr); animation: sm-pulse-border 3s ease-in-out infinite; }
    .sm-root-node:hover { box-shadow: 0 0 48px rgba(0,255,180,0.38), inset 0 0 28px rgba(0,255,180,0.1); transform: translateY(-3px); }
    .sm-root-sub { font-size: 9px; letter-spacing: 3px; color: rgba(0,255,180,0.55); display: block; margin-top: 5px; }
 
    .sm-root-connector { display: flex; justify-content: center; }
    .sm-root-connector::before { content: ''; width: 1.5px; height: 36px; background: linear-gradient(to bottom, var(--clr-green), rgba(0,255,180,.2)); display: block; }
    .sm-hbar-wrap { display: flex; justify-content: center; }
    .sm-hbar { height: 1.5px; background: linear-gradient(90deg, transparent 0%, rgba(0,255,180,.5) 15%, rgba(0,180,255,.5) 85%, transparent 100%); border-radius: 2px; width: 72%; }
 
    .sm-regions-row { display: flex; justify-content: center; gap: 0; }
    .sm-region-col { flex: 1; display: flex; flex-direction: column; align-items: center; padding: 0 10px; opacity: 0; }
    .sm-region-col:nth-child(1) { animation: sm-slideup .55s ease forwards .75s; }
    .sm-region-col:nth-child(2) { animation: sm-slideup .55s ease forwards .9s; }
    .sm-region-col:nth-child(3) { animation: sm-slideup .55s ease forwards 1.05s; }
    .sm-col-vline { width: 1.5px; height: 30px; border-radius: 2px; flex-shrink: 0; }
 
    .sm-l1-card { background: var(--clr-card); border: 1px solid; border-radius: 12px; padding: 16px 14px 14px; width: 100%; max-width: 210px; text-align: center; cursor: default; position: relative; overflow: hidden; transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr); }
    .sm-l1-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg,rgba(255,255,255,.05),transparent 60%); opacity: 0; transition: opacity var(--tr); }
    .sm-l1-card:hover { transform: translateY(-4px) scale(1.03); }
    .sm-l1-card:hover::before { opacity: 1; }
    .sm-l1-icon  { font-size: 26px; display: block; margin-bottom: 8px; position: relative; z-index: 1; }
    .sm-l1-label { font-family: var(--font-display); font-size: 12px; letter-spacing: 1.5px; font-weight: 700; text-transform: uppercase; display: block; position: relative; z-index: 1; line-height: 1.4; }
    .sm-l1-count { font-size: 9px; color: var(--clr-muted); letter-spacing: 1px; margin-top: 4px; display: block; position: relative; z-index: 1; }
 
    .sm-green .sm-l1-card  { border-color: rgba(0,255,180,.25); }
    .sm-green .sm-l1-label { color: var(--clr-green); }
    .sm-green .sm-l1-card:hover { border-color: var(--clr-green); box-shadow: 0 10px 40px rgba(0,255,180,.22); }
    .sm-green .sm-col-vline { background: linear-gradient(to bottom, rgba(0,255,180,.5), rgba(0,255,180,.1)); }
 
    .sm-blue .sm-l1-card  { border-color: rgba(0,180,255,.25); }
    .sm-blue .sm-l1-label { color: var(--clr-blue); }
    .sm-blue .sm-l1-card:hover { border-color: var(--clr-blue); box-shadow: 0 10px 40px rgba(0,180,255,.22); }
    .sm-blue .sm-col-vline { background: linear-gradient(to bottom, rgba(0,180,255,.5), rgba(0,180,255,.1)); }
 
    .sm-amber .sm-l1-card  { border-color: rgba(255,180,0,.25); }
    .sm-amber .sm-l1-label { color: var(--clr-amber); }
    .sm-amber .sm-l1-card:hover { border-color: var(--clr-amber); box-shadow: 0 10px 40px rgba(255,180,0,.22); }
    .sm-amber .sm-col-vline { background: linear-gradient(to bottom, rgba(255,180,0,.5), rgba(255,180,0,.1)); }
 
    .sm-l2-list { width: 100%; max-width: 210px; display: flex; flex-direction: column; }
    .sm-l2-vline { width: 1.5px; height: 12px; background: rgba(255,255,255,0.1); margin: 0 auto; display: block; }
 
    /* ── SERVICE ITEMS ARE NATIVE <a> TAGS ── */
    a.sm-l2-item {
      display: block;
      text-decoration: none;
      background: #050505;
      border: 1px solid var(--clr-border);
      border-left: 2px solid rgba(255,255,255,0.1);
      border-radius: 7px;
      padding: 9px 12px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: transform var(--tr), border-color var(--tr), box-shadow var(--tr), background var(--tr);
    }
    a.sm-l2-item::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 0; transition: width .3s ease; border-radius: inherit; opacity: .07; }
    a.sm-l2-item:hover { transform: translateX(5px); background: #0a0a0a; }
    a.sm-l2-item:hover::before { width: 100%; }
 
    .sm-l2-inner { display: flex; align-items: center; gap: 7px; }
    .sm-l2-dot   { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; transition: transform var(--tr); }
    a.sm-l2-item:hover .sm-l2-dot { transform: scale(1.5); }
    .sm-l2-name  { font-size: 11px; letter-spacing: 1px; color: rgba(255,255,255,.6); text-transform: uppercase; font-family: var(--font-mono); transition: color var(--tr); line-height: 1.35; }
    a.sm-l2-item:hover .sm-l2-name { color: rgba(255,255,255,.95); }
    .sm-l2-icon  { margin-left: auto; font-size: 12px; opacity: 0.4; transition: opacity var(--tr); flex-shrink: 0; }
    a.sm-l2-item:hover .sm-l2-icon { opacity: 1; }
 
    .sm-green a.sm-l2-item { border-left-color: rgba(0,255,180,.25); }
    .sm-green a.sm-l2-item::before { background: var(--clr-green); }
    .sm-green a.sm-l2-item:hover { border-left-color: var(--clr-green); box-shadow: -4px 0 16px rgba(0,255,180,.12); }
    .sm-green .sm-l2-dot  { background: rgba(0,255,180,.5); }
    .sm-green a.sm-l2-item:hover .sm-l2-dot { background: var(--clr-green); }
 
    .sm-blue a.sm-l2-item { border-left-color: rgba(0,180,255,.25); }
    .sm-blue a.sm-l2-item::before { background: var(--clr-blue); }
    .sm-blue a.sm-l2-item:hover { border-left-color: var(--clr-blue); box-shadow: -4px 0 16px rgba(0,180,255,.12); }
    .sm-blue .sm-l2-dot   { background: rgba(0,180,255,.5); }
    .sm-blue a.sm-l2-item:hover .sm-l2-dot { background: var(--clr-blue); }
 
    .sm-amber a.sm-l2-item { border-left-color: rgba(255,180,0,.25); }
    .sm-amber a.sm-l2-item::before { background: var(--clr-amber); }
    .sm-amber a.sm-l2-item:hover { border-left-color: var(--clr-amber); box-shadow: -4px 0 16px rgba(255,180,0,.12); }
    .sm-amber .sm-l2-dot  { background: rgba(255,180,0,.5); }
    .sm-amber a.sm-l2-item:hover .sm-l2-dot { background: var(--clr-amber); }
 
    .sm-legend { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px 28px; margin-top: 56px; opacity: 0; animation: sm-fadein .6s ease forwards 1.3s; }
    .sm-legend-item { display: flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--clr-muted); }
    .sm-legend-dot { width: 9px; height: 9px; border-radius: 50%; }
 
    .sm-tooltip-custom { position: fixed; background: #111; border: 1px solid rgba(0,255,180,.3); border-radius: 8px; padding: 7px 14px; font-family: var(--font-mono); font-size: 11px; color: var(--clr-green); pointer-events: none; z-index: 10000; white-space: nowrap; opacity: 0; transform: translateY(6px); transition: opacity .18s, transform .18s; box-shadow: 0 6px 28px rgba(0,0,0,.7); }
    .sm-tooltip-custom.active { opacity: 1; transform: translateY(0); }
 
    .sm-highlight  { background: rgba(0,255,180,.2); border-radius: 2px; color: var(--clr-green); }
    .sm-item-hidden { opacity: .15; pointer-events: none; }
 
    @keyframes sm-fadein  { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }
    @keyframes sm-slideup { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }
    @keyframes sm-pulse-border { 0%,100% { box-shadow: 0 0 24px rgba(0,255,180,.18), inset 0 0 20px rgba(0,255,180,.04); } 50% { box-shadow: 0 0 44px rgba(0,255,180,.32), inset 0 0 28px rgba(0,255,180,.09); } }
    @keyframes ripple { to { transform:scale(40); opacity:0; } }
 
    @media (max-width: 900px) {
      .sm-regions-row { flex-wrap: wrap; gap: 28px 16px; justify-content: center; }
      .sm-region-col  { flex: 0 1 calc(50% - 16px); min-width: 180px; max-width: 260px; }
      .sm-hbar        { display: none; }
      .sm-root-connector::before { height: 20px; }
    }
    @media (max-width: 560px) {
      .sm-region-col { flex: 0 1 100%; max-width: 340px; }
      .sm-l1-card, .sm-l2-list { max-width: 100%; }
      .sm-stats { gap: 24px; }
      .sm-stat-num { font-size: 22px; }
    }