/* ============================================================
   UPSKILLIST — V8 PREMIUM DARK TECH
   Palette preserved: deep navy / electric blue / cyan / yellow
   ============================================================ */
:root{
  --bg-0:#01040f;
  --bg-1:#030a1e;
  --bg-2:#051233;
  --blue-500:#168cff;
  --blue-400:#35b6ff;
  --blue-300:#74d8ff;
  --cyan:#4ce8ff;
  --yellow:#f5c84b;
  --white:#f4f9ff;
  --soft:#a8bad6;
  --muted:#64789c;
  --line:rgba(120,180,255,.13);
  --line-hover:rgba(76,232,255,.45);
  --glass:rgba(8,20,52,.55);
  --font-display:"Space Grotesk",Inter,ui-sans-serif,system-ui,sans-serif;
  --font-body:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --max:1160px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--white);line-height:1.65;
  font-family:var(--font-body);
  font-size:16px;
  background:var(--bg-0);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* Ambient: one restrained glow + faint grid */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 78% -10%,rgba(22,140,255,.16),transparent 60%),
    radial-gradient(700px 500px at -10% 30%,rgba(76,232,255,.06),transparent 60%),
    linear-gradient(180deg,var(--bg-1),var(--bg-0) 60%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(116,216,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(116,216,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,black 20%,transparent 75%);
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,black 20%,transparent 75%);
}
a{color:inherit;text-decoration:none}
::selection{background:rgba(76,232,255,.28)}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
h1,h2,h3{font-family:var(--font-display)}

/* ============ NAVIGATION ============ */
.topbar{
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid var(--line);
  background:rgba(2,7,22,.72);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  transition:background .3s ease;
}
.topbar.scrolled{background:rgba(2,7,22,.92)}
.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px}
.brand-symbol{
  position:relative;width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,rgba(53,182,255,.16),rgba(5,18,51,.9));
  border:1px solid rgba(116,216,255,.35);
  display:grid;place-items:center;
  box-shadow:0 0 18px rgba(22,140,255,.18);
}
.brand-symbol::before{
  content:"";width:14px;height:14px;
  border:2px solid var(--cyan);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  background:linear-gradient(135deg,var(--cyan),transparent 70%);
}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:19px;letter-spacing:-.02em;line-height:1;color:var(--white)}
.brand-name span{color:var(--cyan)}
.brand-sub{display:block;margin-top:3px;color:var(--muted);font-family:var(--font-mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;font-weight:500}
.menu{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--soft)}
.menu a{padding:8px 13px;border-radius:9px;transition:.2s}
.menu a:hover{color:var(--white);background:rgba(116,216,255,.08)}
.nav-actions{display:flex;align-items:center;gap:10px}

/* ============ BUTTONS ============ */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 20px;border:1px solid transparent;border-radius:11px;
  font-size:14px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s,background .2s;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{
  color:#01131f;
  background:linear-gradient(135deg,var(--cyan),var(--blue-400) 60%,var(--blue-500));
  box-shadow:0 4px 24px rgba(22,140,255,.35),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary:hover{box-shadow:0 6px 32px rgba(53,182,255,.5),inset 0 1px 0 rgba(255,255,255,.4)}
.btn-secondary{
  color:var(--white);border-color:rgba(120,180,255,.25);
  background:rgba(10,26,64,.4);
}
.btn-secondary:hover{border-color:var(--line-hover);background:rgba(14,36,86,.55)}
.btn-yellow{
  color:#191300;
  background:linear-gradient(135deg,#ffe289,var(--yellow));
  box-shadow:0 4px 20px rgba(245,200,75,.25),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-yellow:hover{box-shadow:0 6px 28px rgba(245,200,75,.4),inset 0 1px 0 rgba(255,255,255,.5)}

/* ============ HERO ============ */
.hero{position:relative;padding:88px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:24px;
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(116,216,255,.22);background:rgba(8,22,56,.5);
  color:var(--blue-300);
  font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2.4s ease-in-out infinite;flex:none}
h1{
  margin:0 0 22px;
  font-size:clamp(40px,5.2vw,66px);
  font-weight:700;line-height:1.04;letter-spacing:-.035em;
  max-width:820px;
}
.hero-gradient{
  background:linear-gradient(100deg,var(--white) 30%,var(--blue-300) 65%,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{max-width:640px;margin:0 0 32px;color:var(--soft);font-size:clamp(16px,1.5vw,18px);line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.micro-trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.micro-trust span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 12px;border:1px solid var(--line);border-radius:8px;
  background:rgba(8,20,52,.35);color:var(--soft);
  font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.04em;
}
.micro-trust span::before{content:"";width:4px;height:4px;border-radius:1px;background:var(--yellow);flex:none}

/* ============ HERO VISUAL — TRAINING CONSOLE ============ */
.tech-panel{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(116,216,255,.2);
  background:linear-gradient(160deg,rgba(9,24,62,.85),rgba(2,7,22,.95));
  box-shadow:0 40px 100px rgba(0,0,0,.55),0 0 0 1px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.06);
  padding:0;
  transform:perspective(1200px) rotateX(var(--ry,0deg)) rotateY(var(--rx,0deg));
  transition:transform .25s ease;
}
.panel-glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 260px at 70% 0%,rgba(22,140,255,.18),transparent 70%);
}
.panel-head{
  display:flex;align-items:center;gap:14px;
  padding:14px 18px;border-bottom:1px solid var(--line);
  background:rgba(4,10,28,.6);
}
.panel-dots{display:flex;gap:6px}
.panel-dots i{width:9px;height:9px;border-radius:50%;background:rgba(120,180,255,.18)}
.panel-dots i:first-child{background:rgba(255,110,110,.55)}
.panel-dots i:nth-child(2){background:rgba(245,200,75,.55)}
.panel-dots i:last-child{background:rgba(76,232,255,.55)}
.panel-title{flex:1;color:var(--muted);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;font-weight:500}
.panel-status{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--cyan);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;font-weight:600;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 1.8s ease-in-out infinite}

.panel-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}
.pm{padding:20px 18px;background:rgba(3,9,26,.92)}
.pm-label{display:block;color:var(--muted);font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:8px}
.pm-value{display:block;font-family:var(--font-display);font-size:clamp(24px,2.4vw,32px);font-weight:700;letter-spacing:-.03em;color:var(--white);line-height:1}
.pm-value em{font-style:normal;font-size:.55em;color:var(--cyan)}
.pm:nth-child(3) .pm-value{color:var(--yellow)}
.pm-sub{display:block;margin-top:8px;color:var(--blue-300);font-family:var(--font-mono);font-size:9.5px;letter-spacing:.1em}

.panel-wave{
  display:flex;align-items:flex-end;gap:5px;height:64px;
  padding:16px 18px 12px;border-top:1px solid var(--line);
}
.panel-wave span{
  flex:1;border-radius:2px 2px 0 0;min-height:12%;
  background:linear-gradient(180deg,var(--cyan),var(--blue-500));
  opacity:.75;animation:wave 2.6s ease-in-out infinite;
  transform-origin:bottom;
}
.panel-wave span:nth-child(4n){animation-delay:-.4s;opacity:.5}
.panel-wave span:nth-child(4n+1){animation-delay:-.9s}
.panel-wave span:nth-child(4n+2){animation-delay:-1.5s;opacity:.6}
.panel-wave span:nth-child(4n+3){animation-delay:-2.1s;opacity:.85}
.panel-wave span:nth-child(7n){background:linear-gradient(180deg,var(--yellow),#a97e12);opacity:.7}

.panel-log{padding:14px 18px 18px;border-top:1px solid var(--line);display:grid;gap:9px}
.log-line{
  display:flex;align-items:center;gap:10px;
  color:var(--soft);font-family:var(--font-mono);font-size:11.5px;letter-spacing:.02em;
}
.log-tag{
  flex:none;min-width:44px;text-align:center;padding:2px 7px;border-radius:5px;
  border:1px solid rgba(120,180,255,.25);color:var(--blue-300);
  font-size:9px;letter-spacing:.12em;font-weight:600;
}
.log-tag.ok{border-color:rgba(76,232,255,.35);color:var(--cyan)}
.log-tag.warn{border-color:rgba(245,200,75,.4);color:var(--yellow)}
.panel-scan{
  position:absolute;left:0;right:0;height:1px;top:0;
  background:linear-gradient(90deg,transparent,rgba(76,232,255,.7),transparent);
  animation:scan 5s ease-in-out infinite;pointer-events:none;
}

/* ============ SECTIONS ============ */
.section{padding:96px 0}
.section-tight{padding:60px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.section-title{margin:0;font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.08;letter-spacing:-.03em}
.section-copy{max-width:520px;margin:0;color:var(--soft);font-size:15px}

/* ============ BENTO CARDS ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{
  position:relative;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(10,24,60,.5),rgba(3,8,24,.7));
  padding:26px 24px 22px;overflow:hidden;
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:0;transition:opacity .3s;
}
.card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(320px 180px at 50% 0%,rgba(53,182,255,.09),transparent 70%);
}
.card:hover{transform:translateY(-4px);border-color:rgba(116,216,255,.35);box-shadow:0 20px 48px rgba(0,0,0,.4)}
.card:hover::before,.card:hover::after{opacity:1}
.card>*{position:relative;z-index:1}
.card-4{grid-column:span 4}
.card-6{grid-column:span 6}
.card-icon{
  display:inline-flex;align-items:center;min-height:26px;
  padding:4px 10px;margin-bottom:16px;border-radius:7px;
  border:1px solid rgba(116,216,255,.25);
  background:rgba(22,140,255,.08);
  color:var(--cyan);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em;
}
.card h2,.card h3{margin:0 0 9px;line-height:1.25;letter-spacing:-.015em}
.card h3{font-size:18px;font-weight:600}
.card p{margin:0;color:var(--soft);font-size:14px;line-height:1.65}
.card-link{
  display:inline-flex;align-items:center;margin-top:16px;
  color:var(--blue-300);font-weight:600;font-size:13.5px;
}
.card-link::after{content:"→";margin-left:7px;transition:transform .2s}
.card-link:hover{color:var(--cyan)}
.card-link:hover::after{transform:translateX(4px)}
.metric{font-family:var(--font-display);font-size:38px;font-weight:700;letter-spacing:-.04em;color:var(--blue-300);margin-bottom:4px}
.metric small{font-size:13px;color:var(--yellow);letter-spacing:0}
.progress-line{height:2px;margin-top:18px;background:rgba(116,216,255,.09);border-radius:999px;overflow:hidden}
.progress-line span{
  display:block;height:100%;width:0;border-radius:inherit;
  background:linear-gradient(90deg,var(--blue-500),var(--cyan));
  transition:width 1s cubic-bezier(.22,1,.36,1) .15s;
}
.card.revealed .progress-line span,.card:hover .progress-line span{width:70%}

/* ============ TIMELINE ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.timeline::before{
  content:"";position:absolute;left:4%;right:4%;top:10px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,182,255,.5),rgba(76,232,255,.5),transparent);
}
.step{position:relative;padding-top:34px}
.step-dot{
  position:absolute;top:4px;left:16px;width:13px;height:13px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--cyan);
  box-shadow:0 0 12px rgba(76,232,255,.6);
}
.step-card{
  height:100%;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;background:rgba(7,18,46,.45);
  transition:border-color .25s,background .25s;
}
.step:hover .step-card{border-color:rgba(116,216,255,.3);background:rgba(10,26,64,.6)}
.step-card h3{margin:0 0 7px;font-size:13px;font-weight:600;color:var(--blue-300);font-family:var(--font-mono);letter-spacing:.03em}
.step-card p{margin:0;color:var(--soft);font-size:12.5px;line-height:1.55}

/* ============ CTA ============ */
.cta{
  position:relative;border-radius:24px;padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;overflow:hidden;
  border:1px solid rgba(116,216,255,.25);
  background:
    radial-gradient(600px 300px at 12% 0%,rgba(22,140,255,.2),transparent 60%),
    linear-gradient(150deg,rgba(9,26,68,.9),rgba(2,7,22,.95));
  box-shadow:0 32px 80px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.05);
}
.cta::before{
  content:"";position:absolute;top:0;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(76,232,255,.6),transparent);
}
.cta h2{margin:0 0 10px;font-size:clamp(24px,3.2vw,38px);font-weight:700;line-height:1.1;letter-spacing:-.03em}
.cta p{margin:0;color:var(--soft);max-width:640px;font-size:15px}
.cta .hero-actions{position:relative;z-index:2;min-width:max-content}

/* ============ FOOTER ============ */
footer{margin-top:24px;padding:56px 0 32px;border-top:1px solid var(--line);background:rgba(1,3,10,.8)}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr 1fr;gap:32px}
.footer-grid h3{margin:0 0 14px;font-size:12px;font-family:var(--font-mono);font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-300)}
.footer-grid p,.footer-grid a{margin:0 0 8px;color:var(--soft);font-size:14px}
.footer-grid a:hover{color:var(--cyan)}
.fineprint{margin-top:36px;padding-top:20px;border-top:1px solid rgba(116,216,255,.07);color:var(--muted);font-size:12px}

/* ============ FLOATING WHATSAPP ============ */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:90;
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2be07a,#0d9f77);
  box-shadow:0 12px 36px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.1);
  font-weight:800;font-size:14px;color:#02160c;
  transition:transform .2s,box-shadow .2s;
}
.wa-float:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 16px 44px rgba(13,159,119,.45)}

/* ============ LEGACY (old hero visual classes, kept harmless) ============ */
.future-stage,.holo-core,.orbit,.satellite,.data-arc,.hud-line,.floating-chip,.particle{display:none}

/* ============ MOTION ============ */
@keyframes pulse{0%,100%{opacity:.4;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}
@keyframes wave{0%,100%{transform:scaleY(.25)}50%{transform:scaleY(1)}}
@keyframes scan{0%{top:0;opacity:0}8%{opacity:1}92%{opacity:.7}100%{top:100%;opacity:0}}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.22,1,.36,1)}
.reveal.revealed{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ============ RESPONSIVE ============ */
@media(max-width:1000px){
  .menu{display:none}
  .hero{padding:64px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .card-4,.card-6{grid-column:span 6}
  .timeline{grid-template-columns:repeat(3,1fr)}
  .timeline::before{display:none}
  .step{padding-top:0}
  .step-dot{display:none}
  .section-head{display:block}
  .section-copy{margin-top:14px}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:650px){
  .container{width:min(var(--max),calc(100% - 28px))}
  .nav{min-height:62px}
  .nav-actions .btn-secondary{display:none}
  .brand-name{font-size:17px}
  .brand-symbol{width:32px;height:32px}
  .hero{padding:48px 0 44px}
  h1{font-size:clamp(34px,10vw,42px)}
  .panel-metrics{grid-template-columns:repeat(3,1fr)}
  .pm{padding:14px 12px}
  .panel-wave{height:52px}
  .card-4,.card-6{grid-column:1/-1}
  .timeline{grid-template-columns:1fr}
  .cta{display:block;padding:30px 24px}
  .cta .hero-actions{margin-top:24px}
  .section{padding:64px 0}
  .section-tight{padding:44px 0}
}

/* ============ MOBILE MENU ============ */
.menu-toggle{display:none}
.mobile-menu{display:none}
@media(max-width:1000px){
  .nav{position:relative}
  .menu-toggle{
    display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    width:44px;height:44px;flex:none;border-radius:11px;cursor:pointer;
    border:1px solid rgba(120,180,255,.25);background:rgba(10,26,64,.4);
    transition:border-color .2s,background .2s;
  }
  .menu-toggle:hover{border-color:var(--line-hover)}
  .menu-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--white);transition:transform .25s,opacity .2s}
  .topbar.menu-open .menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .topbar.menu-open .menu-toggle span:nth-child(2){opacity:0}
  .topbar.menu-open .menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .mobile-menu{
    position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:99;
    flex-direction:column;padding:8px;border-radius:16px;
    border:1px solid rgba(116,216,255,.22);
    background:rgba(2,8,24,.97);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    box-shadow:0 24px 60px rgba(0,0,0,.55);
  }
  .topbar.menu-open .mobile-menu{display:flex}
  .mobile-menu a{
    padding:13px 16px;border-radius:10px;
    color:var(--soft);font-size:15px;font-weight:500;transition:.2s;
  }
  .mobile-menu a:hover{color:var(--white);background:rgba(116,216,255,.08)}
}