:root{
  --bg: #070a12;
  --bg-alt: #0d1220;
  --card: #121a2b;
  --border: rgba(255,255,255,0.08);
  --text: #e8ecf7;
  --text-dim: #98a2b8;
  --blue: #4f7cff;
  --cyan: #22d3ee;
  --green: #25d366;
  --grad: linear-gradient(120deg, #4f7cff, #22d3ee);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Space Grotesk', sans-serif;font-weight:700;letter-spacing:-0.02em;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px;}

.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:999px;
  font-weight:600;font-size:15px;
  border:1px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  cursor:pointer;white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--grad);color:#04101f;box-shadow:0 8px 24px rgba(79,124,255,.35);}
.btn-primary:hover{box-shadow:0 12px 30px rgba(79,124,255,.5);}
.btn-outline{border-color:var(--border);color:var(--text);background:rgba(255,255,255,.03);}
.btn-outline:hover{background:rgba(255,255,255,.08);}
.btn-whatsapp{background:var(--green);color:#04150c;}
.btn-whatsapp:hover{box-shadow:0 10px 24px rgba(37,211,102,.4);}
.btn-lg{padding:18px 36px;font-size:17px;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,10,18,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:24px;
}
.logo{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:20px;letter-spacing:.02em;white-space:nowrap;}
.logo span{color:var(--cyan);margin-left:4px;font-size:13px;font-weight:600;vertical-align:middle;letter-spacing:.08em;}
.main-nav{display:flex;gap:28px;flex:1;justify-content:center;}
.main-nav a{color:var(--text-dim);font-weight:500;font-size:15px;transition:color .15s;}
.main-nav a:hover{color:var(--text);}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:22px;}

/* Hero */
.hero{padding:72px 0 60px;position:relative;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--cyan);background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.25);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{font-size:44px;line-height:1.1;margin-bottom:20px;}
.hero-sub{color:var(--text-dim);font-size:16.5px;max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px;}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap;}
.hero-stats div{display:flex;flex-direction:column;}
.hero-stats strong{font-size:22px;font-family:'Space Grotesk',sans-serif;color:var(--cyan);}
.hero-stats span{font-size:13px;color:var(--text-dim);}

.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--border);aspect-ratio:4/3;background:var(--bg-alt);}
.hero-visual video{width:100%;height:100%;object-fit:cover;display:none;}
.hero-visual.has-video video{display:block;}
.hero-visual.has-video .video-fallback-card{display:none;}
.hero-visual-caption{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(7,10,18,.72);backdrop-filter:blur(6px);
  border:1px solid var(--border);border-radius:10px;
  padding:10px 14px;font-size:13px;color:var(--text-dim);
}

.video-fallback-card{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:12px;
  background:
    radial-gradient(circle at 30% 20%, rgba(79,124,255,.25), transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(34,211,238,.2), transparent 55%),
    var(--bg-alt);
}
.video-fallback-card span{font-size:34px;filter:drop-shadow(0 0 12px rgba(34,211,238,.5));}
.fallback-grid{
  position:absolute;inset:0;opacity:.35;
  background-image:
    linear-gradient(rgba(79,124,255,.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,124,255,.35) 1px, transparent 1px);
  background-size:28px 28px;
  animation:gridmove 8s linear infinite;
}
@keyframes gridmove{
  0%{background-position:0 0, 0 0;}
  100%{background-position:0 56px, 56px 0;}
}

/* Clients strip */
.clients-strip{padding:32px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-alt);}
.clients-strip p{text-align:center;color:var(--text-dim);font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px;}
.clients-logos{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;}
.clients-logos span{font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--text-dim);font-size:16px;opacity:.85;}

/* Sections */
.section{padding:90px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{text-align:center;max-width:640px;margin:0 auto 52px;}
.tag{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--cyan);margin-bottom:12px;}
.section-head h2{font-size:32px;line-height:1.25;}
.section-sub{color:var(--text-dim);margin-top:12px;}

/* Services */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.service-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px 24px;
  transition:transform .15s ease, border-color .15s ease;
}
.service-card:hover{transform:translateY(-4px);border-color:rgba(79,124,255,.4);}
.service-ico{font-size:28px;margin-bottom:14px;}
.service-card h3{font-size:17px;margin-bottom:10px;}
.service-card p{color:var(--text-dim);font-size:14.5px;}

/* Advantages */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 32px;}
.adv-item{display:flex;gap:16px;align-items:flex-start;}
.adv-ico{font-size:24px;flex-shrink:0;}
.adv-item h4{font-size:16px;margin-bottom:6px;}
.adv-item p{color:var(--text-dim);font-size:14px;}

/* Videos */
.videos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.video-card{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--border);aspect-ratio:16/9;background:var(--bg-alt);}
.video-card video{width:100%;height:100%;object-fit:cover;display:none;}
.video-card.has-video video{display:block;}
.video-card.has-video .video-fallback-card{display:none;}
.video-card > p{
  position:absolute;left:0;right:0;bottom:0;margin:0;
  padding:12px 16px;font-size:13px;color:var(--text);
  background:linear-gradient(0deg, rgba(7,10,18,.9), transparent);
}

/* Portfolio */
.portfolio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.portfolio-card{
  display:block;background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  transition:transform .15s ease, border-color .15s ease;
}
.portfolio-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4);}
.portfolio-img{height:220px;background-size:cover;background-position:top center;background-color:#0d1220;}
.portfolio-info{padding:22px 24px;}
.portfolio-info h3{font-size:18px;margin-bottom:8px;}
.portfolio-info p{color:var(--text-dim);font-size:14px;margin-bottom:14px;}
.portfolio-link{color:var(--cyan);font-weight:600;font-size:14px;}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.step{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px 18px;text-align:center;}
.step-n{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  background:var(--grad);color:#04101f;font-weight:700;font-family:'Space Grotesk',sans-serif;
  margin-bottom:14px;font-size:15px;
}
.step h4{font-size:15px;margin-bottom:8px;}
.step p{color:var(--text-dim);font-size:13.5px;}

/* CTA final */
.cta-final{
  padding:90px 0;text-align:center;
  background:
    radial-gradient(circle at 20% 20%, rgba(79,124,255,.18), transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(34,211,238,.15), transparent 55%),
    var(--bg-alt);
  border-top:1px solid var(--border);
}
.cta-final h2{font-size:30px;margin-bottom:12px;}
.cta-final p{color:var(--text-dim);margin-bottom:32px;}

/* Footer */
.site-footer{padding:48px 0 28px;border-top:1px solid var(--border);}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:flex-start;}
.footer-grid p{color:var(--text-dim);font-size:13.5px;max-width:280px;margin-top:10px;}
.footer-links{display:flex;gap:22px;flex-wrap:wrap;}
.footer-links a{color:var(--text-dim);font-size:14px;}
.footer-links a:hover{color:var(--text);}
.bottom{width:100%;margin-top:32px;padding-top:20px;border-top:1px solid var(--border);color:var(--text-dim);font-size:12.5px;text-align:center;}

/* Responsive */
@media (max-width: 900px){
  .main-nav{
    display:none;position:absolute;top:76px;left:0;right:0;
    background:rgba(7,10,18,.98);border-bottom:1px solid var(--border);
    flex-direction:column;padding:16px 24px;gap:16px;
  }
  .main-nav.open{display:flex;}
  .menu-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;}
  .hero h1{font-size:32px;}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid{grid-template-columns:1fr;}
  .videos-grid{grid-template-columns:1fr;}
  .portfolio-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .header-cta{display:none;}
}
@media (max-width: 520px){
  .services-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr;}
  .hero-stats{gap:20px;}
  .clients-logos{gap:22px;}
}