/* ==========================================================================
   NJN Technologies — design tokens
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@600;700;800&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --bg:            #11141a;
  --bg-raised:     #171b23;
  --bg-raised-2:   #1d222c;
  --line:          rgba(255,255,255,0.09);
  --line-strong:   rgba(255,255,255,0.16);
  --text:          #eceef2;
  --text-dim:      #9aa3b2;
  --text-faint:    #626b7a;

  --amber:         #e8a33d;
  --amber-soft:    #f0c384;
  --amber-dim:     #6b4e26;
  --amber-wash:    rgba(232,163,61,0.10);

  --teal:          #3fd6c6;
  --teal-soft:     #8fe9df;
  --teal-dim:      #1f5e58;
  --teal-wash:     rgba(63,214,198,0.10);

  --display: 'Big Shoulders Display', sans-serif;
  --body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:    'IBM Plex Mono', ui-monospace, monospace;

  --max: 1180px;
  --edge: clamp(20px, 5vw, 64px);
}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

img,svg{ display:block; max-width:100%; }
a{ color:inherit; }

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.01em;
  line-height:1.02;
  margin:0;
}

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--text-faint);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:18px; height:1px;
  background:currentColor;
  opacity:0.6;
}
.eyebrow.amber{ color:var(--amber); }
.eyebrow.teal{ color:var(--teal); }

.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding-left:var(--edge);
  padding-right:var(--edge);
}

:focus-visible{ outline:2px solid var(--teal); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:sticky; top:0; z-index:40;
  background:rgba(17,20,26,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo{
  font-family:var(--display); font-weight:800; font-size:1.35rem; letter-spacing:0.02em;
  text-decoration:none; display:flex; align-items:baseline; gap:8px;
}
.logo .mark{ color:var(--amber); }
.logo .mark2{ color:var(--teal); }
.logo small{ font-family:var(--mono); font-size:0.62rem; color:var(--text-faint); text-transform:uppercase; letter-spacing:0.12em; font-weight:500; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--body); font-weight:600; font-size:0.86rem;
  padding:11px 20px; border-radius:3px; text-decoration:none;
  border:1px solid transparent; cursor:pointer;
  transition:transform .15s ease, border-color .15s ease, background .15s ease;
}
.btn-primary{ background:var(--text); color:var(--bg); }
.btn-primary:hover{ transform:translateY(-1px); }
.btn-outline{ border-color:var(--line-strong); color:var(--text); background:transparent; }
.btn-outline:hover{ border-color:var(--teal); color:var(--teal); }

/* ==========================================================================
   Hero — compact
   ========================================================================== */
.hero{ position:relative; overflow:hidden; padding:64px 0 48px; border-bottom:1px solid var(--line); }
.hero-grid{
  position:absolute; inset:0;
  background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 60% 20%, black 10%, transparent 75%);
  opacity:0.5;
}
.hero-content{ position:relative; max-width:820px; }
.hero h1{ font-size:clamp(2.1rem, 4.6vw, 3.4rem); margin-top:16px; text-transform:none; }
.hero p.lede{ font-size:1.05rem; color:var(--text-dim); max-width:68ch; margin-top:18px; }
.hero p.lede + p.lede{ margin-top:16px; }
.hero-actions{ display:flex; gap:14px; margin-top:28px; flex-wrap:wrap; }

/* ==========================================================================
   Tabs
   ========================================================================== */
.tabs-section{ padding:0; }
.tab-nav{
  display:flex;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg-raised);
  position:sticky; top:72px; z-index:30;
  overflow-x:auto;
  margin-top:10px;
}
.tab-btn{
  flex:1 1 0;
  min-width:200px;
  background:none; border:none; cursor:pointer;
  text-align:left;
  padding:22px var(--edge) 20px;
  font-family:var(--body);
  color:var(--text-faint);
  border-bottom:2px solid transparent;
  transition:color .15s ease, border-color .15s ease, background .15s ease;
}
.tab-btn:first-child{ padding-left:var(--edge); }
.tab-btn .tab-eyebrow{
  font-family:var(--mono); font-size:0.66rem; letter-spacing:0.1em; text-transform:uppercase;
  display:block; margin-bottom:6px;
}
.tab-btn .tab-title{ font-size:1.02rem; font-weight:600; color:inherit; display:block; }
.tab-btn[aria-selected="true"]{ color:var(--text); background:var(--bg); }
.tab-btn[data-accent="amber"][aria-selected="true"]{ border-color:var(--amber); }
.tab-btn[data-accent="teal"][aria-selected="true"]{ border-color:var(--teal); }
.tab-btn[data-accent="mix"][aria-selected="true"]{
  border-image:linear-gradient(90deg, var(--amber), var(--teal)) 1;
}
.tab-btn:hover{ color:var(--text-dim); }

/* Outcomes list */
.outcomes-list{ margin:28px 0 44px; display:flex; flex-direction:column; gap:0; }
.outcome-row{
  display:flex; align-items:flex-start; gap:14px;
  padding:14px 0; border-top:1px solid var(--line);
}
.outcome-row:first-child{ border-top:none; }
.outcome-row .bar{ width:3px; height:18px; flex:none; margin-top:2px; }
.outcome-row .bar.amber{ background:var(--amber); }
.outcome-row .bar.teal{ background:var(--teal); }
.outcome-row .bar.mix{ background:linear-gradient(180deg,var(--amber),var(--teal)); }
.outcome-row p{ margin:0; color:var(--text); font-size:0.96rem; }

.tab-panel{ display:none; padding:56px 0 72px; }
.tab-panel.active{ display:block; }

.tab-intro{ max-width:680px; margin-bottom:44px; }
.tab-intro h2{ font-size:clamp(1.8rem, 3.4vw, 2.5rem); margin-top:14px; text-transform:none; }
.tab-intro p{ color:var(--text-dim); font-size:1rem; margin-top:14px; max-width:58ch; }
.tab-brands{ display:flex; gap:10px; margin-top:22px; flex-wrap:wrap; }
.brand-chip{
  font-family:var(--mono); font-size:0.72rem; letter-spacing:0.04em;
  border:1px solid var(--line-strong); padding:6px 12px; border-radius:2px; color:var(--text-dim);
}

/* Subsections within a tab (Backup / Storage / Insights, Protection / Performance) */
.subsection{ margin-top:48px; }
.subsection:first-of-type{ margin-top:0; }
.subsection-head{ display:flex; align-items:baseline; gap:14px; margin-bottom:20px; border-bottom:1px solid var(--line); padding-bottom:14px; }
.subsection-head .num{ font-family:var(--mono); font-size:0.8rem; color:var(--text-faint); }
.subsection-head h3{ font-family:var(--body); text-transform:none; font-weight:700; font-size:1.2rem; }

.point-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:28px 40px; }
@media (max-width:760px){ .point-grid{ grid-template-columns:1fr; } }
.point h4{ font-family:var(--body); text-transform:none; font-weight:600; font-size:0.98rem; }
.point p{ color:var(--text-dim); font-size:0.9rem; margin-top:8px; }

/* ==========================================================================
   Diagram (Insights subsection)
   ========================================================================== */
.diagram-frame{
  border:1px solid var(--line);
  border-radius:6px;
  background:
    radial-gradient(ellipse 60% 50% at 25% 0%, var(--amber-wash), transparent 60%),
    radial-gradient(ellipse 50% 50% at 85% 100%, var(--teal-wash), transparent 60%),
    var(--bg-raised);
  padding:clamp(14px,3vw,32px);
  overflow-x:auto;
}
.diagram-caption{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-top:18px; flex-wrap:wrap; }
.legend{ display:flex; gap:22px; flex-wrap:wrap; }
.legend-item{ display:flex; align-items:center; gap:8px; font-family:var(--mono); font-size:0.74rem; color:var(--text-dim); }
.legend-swatch{ width:22px; height:2px; }
.legend-swatch.power{ background:var(--amber); }
.legend-swatch.data{ background:repeating-linear-gradient(90deg, var(--teal) 0 4px, transparent 4px 8px); }
.diagram-note{ color:var(--text-faint); font-size:0.84rem; max-width:36ch; }

.node-box{ fill:var(--bg-raised-2); stroke:var(--line-strong); stroke-width:1; }
.node-box.power-node{ stroke:var(--amber-dim); }
.node-box.hub-node{ stroke:var(--amber); stroke-width:1.5; filter:drop-shadow(0 0 0 rgba(232,163,61,0)); animation:hubGlow 2.6s ease-in-out infinite; }
@keyframes hubGlow{
  0%,100%{ filter:drop-shadow(0 0 2px rgba(232,163,61,0.15)); }
  50%{ filter:drop-shadow(0 0 10px rgba(232,163,61,0.55)); }
}
.node-box.dash-node{ stroke:var(--teal); stroke-width:1.2; }
.node-label{ font-family:var(--body); font-weight:600; fill:var(--text); font-size:14px; }
.node-sub{ font-family:var(--mono); fill:var(--text-faint); font-size:10px; letter-spacing:0.02em; }
.node-kw{ font-family:var(--mono); font-size:11px; fill:var(--amber-soft); }
.node-kw.teal{ fill:var(--teal-soft); }

.flow-line{ fill:none; stroke:var(--amber); stroke-width:2; stroke-dasharray:6 8; animation:flow 1.4s linear infinite; marker-end:url(#arrowAmber); }
.flow-line.thin{ stroke:var(--amber-dim); stroke-width:1.6; opacity:0.9; marker-end:url(#arrowAmberDim); }
@keyframes flow{ to{ stroke-dashoffset:-56; } }

.data-line{ fill:none; stroke:var(--teal); stroke-width:1.3; stroke-dasharray:2 5; opacity:0.85; animation:dataflow 1.8s linear infinite; marker-end:url(#arrowTeal); }
@keyframes dataflow{ to{ stroke-dashoffset:-42; } }

.node-icon{ stroke:var(--text-dim); stroke-width:1.4; fill:none; }
.icon-amber{ stroke:var(--amber-soft); }
.icon-teal{ stroke:var(--teal-soft); }

.io-bracket{ stroke:var(--line-strong); stroke-width:1; fill:none; stroke-dasharray:3 3; }
.io-label{ font-family:var(--mono); font-size:10px; fill:var(--text-faint); letter-spacing:0.08em; text-transform:uppercase; }

/* ==========================================================================
   Combined tab — integration cards + process strip
   ========================================================================== */
.integration-block{
  border:1px solid var(--line-strong);
  background:var(--bg-raised);
  padding:32px clamp(20px,4vw,40px);
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:40px;
  align-items:center;
  margin-bottom:44px;
}
@media (max-width:820px){ .integration-block{ grid-template-columns:1fr; } }
.integration-block h3{ font-family:var(--body); text-transform:none; font-weight:700; font-size:1.3rem; }
.integration-block p{ color:var(--text-dim); margin-top:14px; max-width:48ch; }

.backup-strip{ background:var(--bg); border:1px solid var(--line); padding:20px; }
.backup-row{ display:flex; align-items:center; gap:14px; padding:12px 0; border-top:1px solid var(--line); }
.backup-row:first-child{ border-top:none; }
.backup-dot{ width:8px; height:8px; border-radius:50%; flex:none; }
.backup-dot.on{ background:var(--amber); box-shadow:0 0 0 3px var(--amber-wash); }
.backup-row .lbl{ font-family:var(--mono); font-size:0.82rem; color:var(--text-dim); }
.backup-row .lbl b{ color:var(--text); font-weight:600; }

.process-strip{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
@media (max-width:820px){ .process-strip{ grid-template-columns:1fr 1fr; } }
.process-cell{ background:var(--bg-raised); padding:22px 20px; }
.process-cell .num{ font-family:var(--mono); color:var(--text-faint); font-size:0.76rem; }
.process-cell h4{ font-family:var(--body); text-transform:none; font-weight:600; font-size:0.95rem; margin-top:10px; }
.process-cell p{ color:var(--text-dim); font-size:0.84rem; margin-top:8px; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-section{ border-top:1px solid var(--line); padding:80px 0; }
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; }
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-info h2{ font-size:clamp(1.8rem,3.4vw,2.5rem); text-transform:none; }
.contact-info p{ color:var(--text-dim); margin-top:16px; max-width:44ch; }
.contact-detail{ margin-top:28px; display:flex; flex-direction:column; gap:16px; }
.contact-detail a{ font-family:var(--mono); font-size:0.9rem; text-decoration:none; color:var(--text); border-bottom:1px solid var(--line-strong); padding-bottom:2px; width:fit-content; }
.contact-detail a:hover{ color:var(--teal); border-color:var(--teal); }
.contact-detail .lbl{ font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--text-faint); font-family:var(--mono); margin-bottom:4px; }

.contact-form{ background:var(--bg-raised); border:1px solid var(--line); padding:28px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-family:var(--mono); font-size:0.7rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--text-faint); margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; background:var(--bg); border:1px solid var(--line-strong); color:var(--text);
  font-family:var(--body); font-size:0.92rem; padding:11px 13px; border-radius:2px;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--teal); }
.field textarea{ resize:vertical; min-height:88px; }
.form-note{ font-size:0.76rem; color:var(--text-faint); margin-top:12px; }

/* ==========================================================================
   Footer
   ========================================================================== */
footer{ padding:36px 0; border-top:1px solid var(--line); }
.footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
.footer-row .fine{ color:var(--text-faint); font-size:0.8rem; }

@media (max-width:760px){
  .tab-btn{ min-width:170px; padding:18px 16px 16px; }
  .tab-btn .tab-title{ font-size:0.92rem; }
  .tab-btn .tab-title{ font-size:0.92rem; }
}