/* =========================================================================
   NirvanaOps — High-tech infrastructure theme
   ========================================================================= */
:root{
  --bg:#05070d;
  --bg-2:#080b14;
  --panel:rgba(18,24,38,.55);
  --panel-solid:#0c111c;
  --border:rgba(120,140,180,.14);
  --border-strong:rgba(130,160,210,.28);
  --text:#e6ecf5;
  --muted:#8a96ac;
  --faint:#5d6678;
  --teal:#5eead4;
  --indigo:#6366f1;
  --violet:#8b5cf6;
  --cyan:#22d3ee;
  --ok:#34d399;
  --warn:#fbbf24;
  --danger:#f87171;
  --grad:linear-gradient(120deg,#5eead4,#22d3ee 35%,#6366f1 75%,#8b5cf6);
  --radius:16px;
  --radius-sm:11px;
  --maxw:1180px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.8);
  --ff:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--ff);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  font-feature-settings:"cv02","cv03","cv04";
}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.12;margin:0;letter-spacing:-.02em;font-weight:700}
p{margin:0}
img,svg{display:block;max-width:100%}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- backgrounds ---------- */
.bg-grid{
  position:fixed;inset:0;z-index:-2;
  background-image:
    linear-gradient(rgba(120,150,220,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,150,220,.045) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 0%,#000 40%,transparent 100%);
}
.bg-glow{
  position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:
    radial-gradient(60% 50% at 20% 0%,rgba(99,102,241,.18),transparent 60%),
    radial-gradient(50% 45% at 85% 10%,rgba(34,211,238,.12),transparent 60%),
    radial-gradient(60% 60% at 50% 100%,rgba(139,92,246,.10),transparent 60%);
  animation:glowShift 18s ease-in-out infinite alternate;
}
@keyframes glowShift{from{filter:hue-rotate(0deg)}to{filter:hue-rotate(28deg)}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;
  cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .3s,background .3s;
  white-space:nowrap;
}
.btn-sm{padding:.6rem 1.05rem;font-size:.86rem}
.btn-block{width:100%}
.btn-primary{
  color:#04121a;background:var(--grad);background-size:160% 160%;
  box-shadow:0 10px 30px -10px rgba(56,189,170,.5);animation:btnGrad 6s ease infinite;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(56,189,170,.65)}
@keyframes btnGrad{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.03);border-color:var(--border-strong)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--teal);box-shadow:0 0 0 1px rgba(94,234,212,.25),0 12px 30px -16px rgba(94,234,212,.4)}

/* ---------- glass ---------- */
.glass{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:linear-gradient(180deg,rgba(5,7,13,.85),rgba(5,7,13,.4));
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.site-header.scrolled{border-bottom-color:var(--border);background:rgba(5,7,13,.9)}
.nav-wrap{display:flex;align-items:center;gap:1.5rem;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.12rem;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;filter:drop-shadow(0 4px 10px rgba(99,102,241,.4))}
.brand-accent{color:var(--teal)}
.main-nav{display:flex;gap:1.6rem;margin-left:auto;font-size:.92rem}
.main-nav a{color:var(--muted);transition:color .2s;position:relative}
.main-nav a:hover{color:var(--text)}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--grad);transition:width .25s}
.main-nav a:hover::after{width:100%}
.nav-cta{margin-left:.4rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;padding:84px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.8rem;font-weight:600;color:var(--muted);
  text-transform:uppercase;letter-spacing:.13em;padding:.4rem .85rem;border:1px solid var(--border);
  border-radius:100px;background:rgba(255,255,255,.02)}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(94,234,212,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(94,234,212,.55)}70%{box-shadow:0 0 0 9px rgba(94,234,212,0)}100%{box-shadow:0 0 0 0 rgba(94,234,212,0)}}
.hero-title{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:800;margin:1.1rem 0 1.1rem}
.hero-sub{color:var(--muted);font-size:1.08rem;max-width:38rem}
.hero-cta{display:flex;gap:1rem;margin:2rem 0 2.4rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:2.4rem;flex-wrap:wrap}
.hero-stats strong{display:block;font-size:1.7rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:.82rem;color:var(--faint)}

/* hero visual */
.hero-visual{position:relative;min-height:420px}
.orbit-viz{position:relative;width:100%;height:100%;min-height:420px}
#networkCanvas{position:absolute;inset:0;width:100%;height:100%}
.float-card{position:absolute;padding:14px 16px;width:208px;box-shadow:var(--shadow);animation:floaty 7s ease-in-out infinite}
.fc-1{top:8%;left:4%;animation-delay:0s}
.fc-2{top:42%;right:0;animation-delay:1.2s}
.fc-3{bottom:4%;left:14%;animation-delay:2.1s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.fc-head{display:flex;align-items:center;gap:.5rem;font-size:.78rem;color:var(--muted);margin-bottom:.5rem}
.fc-metric{font-size:1.7rem;font-weight:800;color:var(--text)}
.dot{width:8px;height:8px;border-radius:50%}
.dot.ok{background:var(--ok);box-shadow:0 0 8px var(--ok)}
.dot.warn{background:var(--warn);box-shadow:0 0 8px var(--warn)}
.spark{height:30px;margin-top:6px;background:
  linear-gradient(90deg,transparent,rgba(94,234,212,.08)),
  repeating-linear-gradient(90deg,rgba(94,234,212,.25) 0 2px,transparent 2px 7px);
  border-radius:6px;mask-image:linear-gradient(180deg,transparent,#000 30%,#000)}
.rep-bars{display:flex;align-items:flex-end;gap:6px;height:42px}
.rep-bars i{flex:1;height:var(--h);background:var(--grad);border-radius:3px;opacity:.85;animation:barGrow 1.2s ease both}
@keyframes barGrow{from{height:0}}
.auth-list{list-style:none;margin:0;padding:0;font-size:.82rem}
.auth-list li{display:flex;justify-content:space-between;padding:.2rem 0;border-bottom:1px solid var(--border)}
.auth-list b.ok{color:var(--ok)}

.trust-strip{display:flex;align-items:center;gap:1.4rem;flex-wrap:wrap;margin-top:42px;padding-top:26px;border-top:1px solid var(--border);color:var(--faint);font-size:.85rem}
.trust-strip em{font-style:normal;font-weight:600;color:var(--muted);letter-spacing:.02em}

/* ---------- sections ---------- */
.section{padding:88px 0;position:relative}
.section-alt{background:linear-gradient(180deg,transparent,rgba(10,14,24,.6),transparent)}
.section-head{max-width:48rem;margin:0 auto 52px;text-align:center}
.kicker{font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--teal)}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin:.7rem 0 .9rem}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ---------- service cards ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{position:relative;padding:28px;overflow:hidden;transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-6px);border-color:var(--border-strong)}
.card-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;
  color:var(--teal);background:rgba(94,234,212,.08);border:1px solid rgba(94,234,212,.18);margin-bottom:18px}
.card-icon svg{width:24px;height:24px}
.card h3{font-size:1.18rem;margin-bottom:.5rem}
.card-lead{color:var(--muted);font-size:.95rem;margin-bottom:1rem}
.card-list{list-style:none;margin:0;padding:0;display:grid;gap:.4rem}
.card-list li{font-size:.88rem;color:var(--faint);padding-left:1.1rem;position:relative}
.card-list li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:var(--grad)}
.card-glow{position:absolute;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.22),transparent 70%);
  top:-60px;right:-60px;opacity:0;transition:opacity .4s;pointer-events:none}
.card:hover .card-glow{opacity:1}
/* Freebie card CTA rendered as a button (not a bare link). */
.card-cta{margin-top:18px}
/* Featured freebie (the limited-time offer) — brighter border + lift. */
.card-featured{border-color:rgba(94,234,212,.42);box-shadow:0 0 0 1px rgba(94,234,212,.14),0 22px 55px -26px rgba(94,234,212,.4)}
/* Diagonal corner "ribbon" — fixed-width centered band crossing the top-right corner; the card's
   overflow:hidden clips the protruding tails, leaving the full centered text visible. */
.card-ribbon{position:absolute;top:34px;right:-44px;width:210px;z-index:3;transform:rotate(45deg);
  text-align:center;padding:6px 0;background:var(--grad);color:#04201b;
  font-size:.6rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap;
  box-shadow:0 8px 20px -8px rgba(94,234,212,.7)}

/* ---------- infrastructure ---------- */
.infra-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.infra-copy h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:.7rem 0 1rem}
.infra-copy>p{color:var(--muted);margin-bottom:1.4rem}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:.85rem}
.check-list li{position:relative;padding-left:1.8rem;color:var(--muted);font-size:.96rem}
.check-list li b{color:var(--text)}
.check-list li::before{content:"";position:absolute;left:0;top:.35em;width:14px;height:14px;border-radius:4px;
  background:var(--grad);box-shadow:0 0 12px rgba(94,234,212,.35)}
.diagram{padding:28px;display:grid;gap:26px;position:relative}
.diag-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.node{font-family:var(--mono);font-size:.78rem;padding:.6rem .9rem;border-radius:10px;
  border:1px solid var(--border-strong);background:rgba(12,17,28,.8);color:var(--muted);transition:.3s}
.node-worker{border-color:rgba(99,102,241,.4);color:#c3c6ff}
.node-mailbox{border-color:rgba(94,234,212,.35);color:#aef5e8}
.node-sync{border-color:rgba(139,92,246,.4);color:#d6c6ff}
.node.active{box-shadow:0 0 0 1px var(--teal),0 0 22px rgba(94,234,212,.4);color:#fff;transform:translateY(-2px)}
.diag-links{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}

/* ---------- integrations ---------- */
.integration-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.integration{display:flex;align-items:center;gap:14px;padding:18px 20px;transition:transform .25s,border-color .25s}
.integration:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.int-logo{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;font-family:var(--mono);font-weight:600;
  font-size:.95rem;color:#04121a;background:var(--grad)}
.int-name{font-weight:600;font-size:.98rem}
.integration-note{text-align:center;color:var(--muted);margin-top:28px;font-size:.96rem}

/* ---------- why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why-item{padding:26px;position:relative;transition:transform .3s,border-color .3s}
.why-item:hover{transform:translateY(-5px);border-color:var(--border-strong)}
.why-index{font-size:.85rem;color:var(--teal);opacity:.7}
.why-item h3{font-size:1.12rem;margin:.6rem 0 .5rem}
.why-item p{color:var(--muted);font-size:.92rem}

/* ---------- dashboard mock ---------- */
.dash-mock{overflow:hidden;box-shadow:var(--shadow)}
.dash-topbar{display:flex;align-items:center;gap:14px;padding:12px 18px;border-bottom:1px solid var(--border);background:rgba(8,11,20,.6)}
.win-dots{display:flex;gap:6px}.win-dots i{width:11px;height:11px;border-radius:50%;background:#2a3346}
.win-dots i:first-child{background:#f87171}.win-dots i:nth-child(2){background:#fbbf24}.win-dots i:nth-child(3){background:#34d399}
.dash-title{font-size:.82rem;color:var(--muted)}
.dash-live{margin-left:auto;display:flex;align-items:center;gap:.45rem;font-size:.78rem;color:var(--teal);font-family:var(--mono)}
.dash-body{padding:24px}
.dash-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.kpi{padding:16px;border:1px solid var(--border);border-radius:12px;background:rgba(8,11,20,.5)}
.kpi span{font-size:.78rem;color:var(--faint);display:block}
.kpi b{font-size:1.6rem;font-weight:800;display:block;margin:.25rem 0}
.kpi .trend{font-size:.74rem;font-family:var(--mono);color:var(--muted)}
.kpi .trend.up{color:var(--ok)}
.dash-charts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:22px}
.chart-card{padding:16px;border:1px solid var(--border);border-radius:12px;background:rgba(8,11,20,.5)}
.chart-head{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;margin-bottom:10px;font-weight:600}
.dash-flow{padding:16px;border:1px solid var(--border);border-radius:12px;background:rgba(8,11,20,.5)}
.flow-track{position:relative;height:60px;border-radius:10px;overflow:hidden;background:
  repeating-linear-gradient(90deg,rgba(99,102,241,.06) 0 1px,transparent 1px 60px)}

/* ---------- timeline ---------- */
.timeline{list-style:none;margin:0;padding:0;max-width:760px;margin-inline:auto;position:relative}
.timeline::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--teal),var(--indigo),var(--violet));opacity:.4}
.timeline li{display:flex;gap:22px;padding:14px 0;position:relative}
.tl-node{flex:0 0 40px;height:40px;display:grid;place-items:center;border-radius:50%;font-size:.8rem;
  background:var(--panel-solid);border:1px solid var(--border-strong);color:var(--teal);z-index:1}
.tl-content h3{font-size:1.08rem}
.tl-content p{color:var(--muted);font-size:.92rem}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.contact-copy h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:.7rem 0 1rem}
.contact-copy>p{color:var(--muted);margin-bottom:1.6rem}
.contact-meta{list-style:none;margin:0;padding:0;display:grid;gap:1rem}
.contact-meta li{display:grid;gap:.15rem}
.contact-meta li span{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--faint)}
.contact-meta a{color:var(--teal)}
.contact-form{padding:28px;display:grid;gap:16px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:.4rem}
.field span{font-size:.82rem;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;padding:.8rem .9rem;border-radius:10px;background:rgba(5,7,13,.6);
  border:1px solid var(--border-strong);color:var(--text);font-family:inherit;font-size:.95rem;transition:.2s;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(94,234,212,.12)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-status{font-size:.9rem;min-height:1.2em}
.form-status.ok{color:var(--ok)}.form-status.err{color:var(--danger)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);padding:46px 0;margin-top:40px}
.footer-wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.footer-brand p{color:var(--faint);font-size:.88rem;margin-top:.4rem}
.footer-nav{display:flex;gap:1.4rem;flex-wrap:wrap}
.footer-nav a{color:var(--muted);font-size:.9rem}.footer-nav a:hover{color:var(--text)}
.footer-meta{color:var(--faint);font-size:.82rem}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1) var(--d,0s),transform .7s cubic-bezier(.2,.7,.2,1) var(--d,0s)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  *{animation-duration:.001s!important;animation-iteration-count:1!important}
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero-grid,.infra-grid,.contact-grid{grid-template-columns:1fr}
  .hero-visual{min-height:360px;order:-1}
  .cards-grid,.why-grid,.integration-grid{grid-template-columns:repeat(2,1fr)}
  .dash-kpis{grid-template-columns:repeat(2,1fr)}
  .dash-charts{grid-template-columns:1fr}
}
@media (max-width:680px){
  .main-nav,.nav-cta{display:none}
  .main-nav.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    background:rgba(8,11,20,.97);backdrop-filter:blur(14px);padding:20px 24px;gap:1rem;border-bottom:1px solid var(--border)}
  .nav-toggle{display:flex;margin-left:auto}
  .cards-grid,.why-grid,.integration-grid,.field-row,.dash-kpis{grid-template-columns:1fr}
  .section{padding:64px 0}
  .hero-stats{gap:1.4rem}
}