/* ==========================================================================
   QB Update Center — Cyberpunk bot-studio design system
   Display: Space Grotesk / Body: Inter / Code: JetBrains Mono
   ========================================================================== */
:root{
  --bg:            #0A0612;
  --bg-alt:        #120A1F;
  --bg-elevated:   #180E2A;
  --card:          #160C29;
  --card-border:   rgba(168,85,247,.18);
  --border:        rgba(255,255,255,.08);

  --text:          #F6F2FF;
  --text-soft:     #CBBEE8;
  --text-muted:    #8E7FAE;

  --violet:        #8B5CF6;
  --violet-soft:   #A78BFA;
  --magenta:       #D946EF;
  --pink:          #EC4899;
  --cyan:          #22D3EE;
  --grad:          linear-gradient(120deg, var(--violet) 0%, var(--pink) 100%);
  --grad-hover:    linear-gradient(120deg, var(--magenta) 0%, var(--pink) 100%);

  --success:       #34D399;

  --radius-sm:     8px;
  --radius:        16px;
  --radius-lg:     24px;

  --shadow-card:   0 1px 0 rgba(255,255,255,.03) inset, 0 24px 50px -28px rgba(0,0,0,.7);
  --shadow-glow:   0 0 0 1px rgba(139,92,246,.35), 0 0 40px -6px rgba(217,70,239,.35);

  --font-display:  'Space Grotesk', 'Inter', sans-serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:     'JetBrains Mono', 'SFMono-Regular', monospace;

  --container:     1200px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:
    radial-gradient(90% 60% at 50% -10%, rgba(139,92,246,.14) 0%, transparent 55%),
    var(--bg);
  background-attachment:fixed;
  color:var(--text-soft);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  position:relative;
}

/* subtle grid texture */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(rgba(139,92,246,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,.05) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 60% at 50% 0%, black, transparent 80%);
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--text);
  line-height:1.14;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.2rem, 4.4vw, 3.6rem); font-weight:700; }
h2{ font-size:clamp(1.65rem, 2.9vw, 2.4rem); font-weight:700; }
h3{ font-size:1.2rem; font-weight:600; }
p{ margin:0 0 1em; }
a{ color:var(--violet-soft); text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }

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

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--violet); color:#0A0612;
  padding:10px 16px; z-index:300; border-radius:0 0 8px 0; font-weight:600;
}
.skip-link:focus{ left:0; }
:focus-visible{ outline:2px solid var(--pink); outline-offset:3px; }

/* cursor glow (desktop only, ultra-light) */
.cursor-glow{
  position:fixed; width:420px; height:420px; border-radius:50%;
  pointer-events:none; z-index:0; opacity:0;
  background:radial-gradient(circle, rgba(217,70,239,.10) 0%, transparent 70%);
  transform:translate(-50%,-50%); transition:opacity .3s ease;
  will-change:transform;
}
@media (pointer:coarse){ .cursor-glow{ display:none; } }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:.95rem;
  padding:13px 26px; border-radius:11px; border:1px solid transparent;
  cursor:pointer; transition:transform .15s ease, box-shadow .2s ease, background .3s ease;
  white-space:nowrap; position:relative;
}
.btn-primary{ background:var(--grad); color:#0A0612; box-shadow:0 12px 32px -12px rgba(217,70,239,.55); }
.btn-primary:hover{ background:var(--grad-hover); transform:translateY(-1px); box-shadow:0 16px 38px -12px rgba(236,72,153,.7); }
.btn-outline{ background:rgba(255,255,255,.02); color:var(--text); border-color:var(--card-border); }
.btn-outline:hover{ border-color:var(--violet-soft); color:var(--violet-soft); box-shadow:0 0 24px -8px rgba(139,92,246,.5); }
.btn-sm{ padding:10px 18px; font-size:.85rem; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(10,6,18,.78); backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:78px; gap:24px; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand-name{ font-family:var(--font-mono); font-weight:600; font-size:.98rem; color:var(--text); letter-spacing:.02em; }

.main-nav ul{ display:flex; align-items:center; gap:2px; }
.nav-link{
  font-family:var(--font-body); font-size:.9rem; font-weight:500; color:var(--text-soft);
  background:none; border:none; cursor:pointer; padding:10px 13px; border-radius:8px;
  display:inline-flex; align-items:center; gap:6px; transition:color .15s, background .15s, text-shadow .2s;
}
.nav-link:hover, .nav-link.active{ color:#fff; background:rgba(139,92,246,.12); text-shadow:0 0 12px rgba(217,70,239,.6); }

.has-dropdown{ position:relative; }
.dropdown-menu{
  position:absolute; top:calc(100% + 10px); left:0; min-width:230px;
  background:var(--bg-elevated); border:1px solid var(--card-border); border-radius:var(--radius-sm);
  padding:8px; box-shadow:var(--shadow-card), var(--shadow-glow);
  opacity:0; visibility:hidden; transform:translateY(6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown-menu li a{ display:block; padding:9px 12px; border-radius:6px; color:var(--text-soft); font-size:.9rem; }
.dropdown-menu li a:hover, .dropdown-menu li a.active{ background:rgba(217,70,239,.12); color:var(--pink); }

.header-actions{ display:flex; align-items:center; gap:14px; }
.hamburger{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
.hamburger span{ width:22px; height:2px; background:var(--text); border-radius:2px; }
.mobile-nav{ display:none; }

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  padding:100px 0 90px;
  background:
    radial-gradient(60% 55% at 85% 5%, rgba(217,70,239,.20) 0%, transparent 60%),
    radial-gradient(45% 45% at 5% 95%, rgba(139,92,246,.16) 0%, transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--border);
}
.hero-inner{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:.75rem;
  letter-spacing:.08em; text-transform:uppercase; color:var(--pink);
  background:rgba(217,70,239,.08); border:1px solid rgba(217,70,239,.3);
  padding:6px 12px; border-radius:999px; margin-bottom:22px;
}
.eyebrow .dot{ width:6px; height:6px; border-radius:50%; background:var(--success); box-shadow:0 0 8px var(--success); }
.hero h1{ margin-bottom:20px; }
.hero-lead{ font-size:1.1rem; color:var(--text-soft); max-width:54ch; margin-bottom:32px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }

/* ---------- Terminal / console panel ---------- */
.terminal{
  background:linear-gradient(180deg, rgba(24,14,42,.9), rgba(16,9,29,.95));
  border:1px solid var(--card-border); border-radius:var(--radius);
  box-shadow:var(--shadow-card), var(--shadow-glow);
  overflow:hidden;
}
.terminal-bar{
  display:flex; align-items:center; gap:8px; padding:12px 16px;
  border-bottom:1px solid var(--border); background:rgba(255,255,255,.02);
}
.terminal-bar .tdot{ width:10px; height:10px; border-radius:50%; }
.tdot.r{ background:#F87171; } .tdot.y{ background:#FBBF24; } .tdot.g{ background:#34D399; }
.terminal-title{ margin-left:8px; font-family:var(--font-mono); font-size:.75rem; color:var(--text-muted); }
.terminal-body{ padding:20px 22px; font-family:var(--font-mono); font-size:.85rem; line-height:1.9; }
.terminal-body .status-row{ display:flex; justify-content:space-between; gap:12px; color:var(--text-soft); }
.terminal-body .status-online{ color:var(--success); }
.terminal-body .status-online::before{ content:"● "; }
.terminal-divider{ margin:12px 0; border-top:1px dashed var(--border); }
.terminal-cmds{ display:flex; flex-wrap:wrap; gap:8px; margin:14px 0; }
.terminal-cmds span{ background:rgba(139,92,246,.12); border:1px solid var(--card-border); border-radius:6px; padding:4px 10px; font-size:.78rem; color:var(--violet-soft); }
.terminal-footer{ display:flex; justify-content:space-between; color:var(--text-muted); font-size:.78rem; padding-top:10px; border-top:1px solid var(--border); }
.demo-label{ display:block; font-family:var(--font-mono); font-size:.68rem; color:var(--text-muted); text-align:center; padding:8px 0 0; letter-spacing:.05em; text-transform:uppercase; }

.type-line{ color:var(--cyan); }
.type-line .prompt{ color:var(--pink); }

/* ---------- Sections ---------- */
.section{ padding:92px 0; }
.section-alt{ background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section-head{ max-width:680px; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.kicker{
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--pink); margin-bottom:12px; display:block;
}

/* ---------- Cards / Grids ---------- */
.grid{ display:grid; gap:24px; }
.grid-2{ grid-template-columns:repeat(2, 1fr); }
.grid-3{ grid-template-columns:repeat(3, 1fr); }
.grid-4{ grid-template-columns:repeat(4, 1fr); }
.grid-5{ grid-template-columns:repeat(5, 1fr); }

.card{
  background:var(--card); border:1px solid var(--card-border); border-radius:var(--radius);
  padding:30px; box-shadow:var(--shadow-card);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  position:relative;
}
.card:hover{ transform:translateY(-3px); border-color:rgba(217,70,239,.5); box-shadow:var(--shadow-card), var(--shadow-glow); }
.card-icon{
  width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, rgba(139,92,246,.2), rgba(217,70,239,.16));
  border:1px solid rgba(139,92,246,.35); margin-bottom:18px; color:var(--pink);
}
.card h3{ margin-bottom:10px; }
.card p{ color:var(--text-muted); font-size:.95rem; margin-bottom:16px; }
.card ul{ margin-bottom:16px; }
.card ul li{ font-size:.9rem; color:var(--text-soft); padding-left:20px; position:relative; margin-bottom:8px; }
.card ul li::before{ content:""; position:absolute; left:0; top:.55em; width:8px; height:8px; border-radius:2px; background:var(--grad); }
.card-link{ font-size:.9rem; font-weight:600; color:var(--pink); display:inline-flex; gap:6px; }

.platform-card{ padding:34px; }
.platform-card .tag{ font-family:var(--font-mono); font-size:.7rem; text-transform:uppercase; letter-spacing:.06em; color:var(--cyan); }

/* ---------- Process / Steps ---------- */
.process-grid{ grid-template-columns:repeat(3,1fr); }
.process-step{ position:relative; padding-top:8px; border-top:2px solid; border-image:var(--grad) 1; }
.process-step .num{ font-family:var(--font-mono); color:var(--pink); font-size:.85rem; display:block; margin-bottom:14px; }

/* ---------- Flow ---------- */
.flow{ display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:0; margin-top:20px; }
.flow-node{ background:var(--card); border:1px solid var(--card-border); border-radius:12px; padding:14px 20px; font-family:var(--font-mono); font-size:.85rem; color:var(--text); white-space:nowrap; }
.flow-arrow{ color:var(--pink); padding:0 14px; font-size:1.1rem; }

.mono{ font-family:var(--font-mono); }

/* ---------- Dashboard mockup ---------- */
.dashboard-mock{ background:var(--bg-elevated); border:1px solid var(--card-border); border-radius:var(--radius-lg); box-shadow:var(--shadow-card), var(--shadow-glow); overflow:hidden; }
.dashboard-mock .dm-head{ padding:16px 22px; border-bottom:1px solid var(--border); display:flex; justify-content:space-between; align-items:center; font-family:var(--font-mono); font-size:.78rem; color:var(--text-muted); }
.dm-stat-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--border); }
.dm-stat{ background:var(--bg-elevated); padding:22px; }
.dm-stat .val{ font-family:var(--font-mono); font-size:1.6rem; color:var(--text); font-weight:600; }
.dm-stat .lbl{ font-size:.78rem; color:var(--text-muted); margin-top:4px; }
.dm-list{ padding:20px 22px; display:flex; flex-direction:column; gap:12px; }
.dm-list li{ display:flex; justify-content:space-between; font-size:.9rem; color:var(--text-soft); }
.dm-list li .ok{ color:var(--success); }

/* ---------- Forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.field.full{ grid-column:1 / -1; }
label{ font-size:.88rem; font-weight:600; color:var(--text); }
input[type=text], input[type=email], input[type=tel], select, textarea{
  background:var(--bg-elevated); border:1px solid var(--card-border); color:var(--text);
  padding:13px 14px; border-radius:9px; font-family:var(--font-body); font-size:.95rem;
  transition:border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus{ border-color:var(--violet-soft); box-shadow:0 0 0 3px rgba(139,92,246,.15); outline:none; }
textarea{ resize:vertical; min-height:130px; }
.checkbox-row{ display:flex; align-items:flex-start; gap:10px; margin-bottom:24px; }
.checkbox-row input{ margin-top:4px; }
.checkbox-row label{ font-weight:400; color:var(--text-soft); font-size:.9rem; }
.honeypot{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.form-note{ font-size:.85rem; color:var(--text-muted); margin-top:10px; }
.alert{ padding:14px 16px; border-radius:9px; font-size:.9rem; margin-bottom:20px; }
.alert-success{ background:rgba(52,211,153,.1); border:1px solid rgba(52,211,153,.3); color:#7EEBC1; }
.alert-error{ background:rgba(239,68,68,.1); border:1px solid rgba(239,68,68,.3); color:#FCA5A5; }

/* ---------- Contact info blocks ---------- */
.contact-info-list{ display:flex; flex-direction:column; gap:18px; }
.contact-info-item{ display:flex; gap:14px; align-items:flex-start; }
.contact-info-item .card-icon{ margin-bottom:0; flex-shrink:0; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--border); padding:22px 0; }
.faq-item summary{ cursor:pointer; font-family:var(--font-display); font-weight:600; color:var(--text); font-size:1.02rem; list-style:none; display:flex; justify-content:space-between; gap:16px; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; color:var(--pink); font-size:1.3rem; flex-shrink:0; }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ margin-top:14px; color:var(--text-muted); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{ font-size:.82rem; color:var(--text-muted); padding:20px 0 0; }
.breadcrumbs a{ color:var(--text-muted); }
.breadcrumbs a:hover{ color:var(--pink); }

/* ---------- Page header ---------- */
.page-hero{
  padding:58px 0 66px; border-bottom:1px solid var(--border);
  background:radial-gradient(50% 60% at 90% 0%, rgba(217,70,239,.18), transparent 60%), var(--bg);
}
.page-hero p{ max-width:62ch; font-size:1.05rem; }

/* ---------- Article / resources ---------- */
.article-card{ display:flex; flex-direction:column; }
.article-meta{ font-family:var(--font-mono); font-size:.72rem; color:var(--cyan); margin-bottom:10px; text-transform:uppercase; letter-spacing:.05em; }

/* ---------- Disclaimer strip ---------- */
.platform-disclaimer{ background:var(--bg-alt); border-top:1px solid var(--border); padding:26px 0; }
.platform-disclaimer p{ margin:0; font-size:.82rem; color:var(--text-muted); text-align:center; max-width:900px; margin:0 auto; }

/* ---------- Notice box ---------- */
.notice{ background:rgba(139,92,246,.08); border:1px solid var(--card-border); border-left:3px solid var(--pink); border-radius:10px; padding:18px 20px; font-size:.9rem; color:var(--text-soft); }

/* ---------- Final CTA ---------- */
.final-cta{
  padding:84px 0; text-align:center;
  background:radial-gradient(60% 100% at 50% 100%, rgba(217,70,239,.16), transparent 70%), var(--bg-alt);
  border-top:1px solid var(--border);
}
.final-cta-inner{ max-width:640px; margin:0 auto; }
.final-cta p{ color:var(--text-muted); margin-bottom:32px; }
.cta-buttons{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- Footer ---------- */
.site-footer{ background:#070410; border-top:1px solid var(--border); padding:64px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; padding-bottom:48px; }
.footer-brand p{ color:var(--text-muted); font-size:.9rem; max-width:34ch; margin:16px 0; }
.footer-contact{ display:flex; flex-direction:column; gap:8px; font-size:.88rem; color:var(--text-muted); }
.footer-contact a{ color:var(--text-muted); }
.footer-contact a:hover{ color:var(--pink); }
.footer-col h3{ font-size:.8rem; text-transform:uppercase; letter-spacing:.06em; color:var(--text-muted); margin-bottom:16px; font-family:var(--font-mono); font-weight:500; }
.footer-col ul{ display:flex; flex-direction:column; gap:10px; }
.footer-col a{ color:var(--text-soft); font-size:.92rem; }
.footer-col a:hover{ color:var(--pink); }
.footer-bottom{ border-top:1px solid var(--border); padding:22px 0; font-size:.82rem; color:var(--text-muted); }

/* ---------- fade-in ---------- */
.fade-in{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
.fade-in.is-visible{ opacity:1; transform:none; }

/* ---------- floating command bubbles (hero decoration) ---------- */
.cmd-float{ position:absolute; font-family:var(--font-mono); font-size:.72rem; color:var(--violet-soft);
  background:rgba(139,92,246,.1); border:1px solid var(--card-border); border-radius:20px; padding:5px 12px;
  animation:float 6s ease-in-out infinite; }
@keyframes float{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-10px); } }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns:1fr; }
  .grid-4, .grid-5{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .process-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .dm-stat-row{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 880px){
  .main-nav{ display:none; }
  .header-actions .btn-sm{ display:none; }
  .hamburger{ display:flex; }
  .mobile-nav{ display:block; max-height:0; overflow:hidden; background:var(--bg-alt); border-top:1px solid var(--border); transition:max-height .3s ease; }
  .mobile-nav.open{ max-height:80vh; overflow-y:auto; }
  .mobile-nav ul{ padding:16px 24px 28px; display:flex; flex-direction:column; gap:4px; }
  .mobile-nav > ul > li > a{ display:block; padding:12px 0; font-weight:600; color:var(--text); border-bottom:1px solid var(--border); }
  .mobile-submenu{ padding:6px 0 6px 14px; display:flex; flex-direction:column; }
  .mobile-submenu a{ padding:9px 0; color:var(--text-muted); font-size:.92rem; }
  .mobile-cta{ margin-top:14px; }
  .mobile-cta a{ width:100%; justify-content:center; }
}

@media (max-width: 720px){
  .grid-2, .grid-3, .grid-4, .grid-5{ grid-template-columns:1fr; }
  .form-grid{ grid-template-columns:1fr; }
  .section{ padding:64px 0; }
  .hero{ padding:64px 0 56px; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .cta-buttons{ flex-direction:column; }
  .cta-buttons .btn{ width:100%; justify-content:center; }
  .dm-stat-row{ grid-template-columns:1fr 1fr; }
  .cmd-float{ display:none; }
}