:root{
  --bg:#05070c;
  --bg-alt:#0a0f1a;
  --bg-card:#0d1220;
  --blue-light:#7cd4ff;
  --blue:#2e9bef;
  --blue-dark:#0b5ed7;
  --white:#ffffff;
  --gray:#a9b4c4;
  --gray-dim:#6c7789;
  --border:rgba(124,212,255,0.14);
  --radius:14px;
  --max:1180px;
  font-size:16px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Montserrat',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--white);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}

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

.accent{
  background:linear-gradient(90deg,var(--blue-light),var(--blue-dark));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.eyebrow{
  color:var(--blue-light);
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:.78rem;
  margin-bottom:10px;
}
.eyebrow.center{text-align:center;}

.section-title{
  font-size:clamp(1.7rem,3.2vw,2.4rem);
  font-weight:800;
  margin-bottom:16px;
  line-height:1.25;
}
.section-title.center{text-align:center;}

.section-sub{
  color:var(--gray);
  max-width:640px;
  margin-bottom:20px;
}
.section-sub.center{margin-left:auto;margin-right:auto;text-align:center;}

.btn{
  display:inline-block;
  padding:14px 28px;
  border-radius:999px;
  font-weight:700;
  font-size:.95rem;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  border:2px solid transparent;
  cursor:pointer;
}
.btn-primary{
  background:linear-gradient(90deg,var(--blue-light),var(--blue-dark));
  color:#04101f;
  box-shadow:0 8px 24px rgba(46,155,239,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(46,155,239,.5);}
.btn-outline{
  border-color:var(--blue-light);
  color:var(--white);
}
.btn-outline:hover{background:rgba(124,212,255,.1);}
.btn-whatsapp{
  background:#25D366;
  color:#04210f;
  border-color:#25D366;
}
.btn-whatsapp:hover{transform:translateY(-2px);filter:brightness(1.05);}

/* ===== HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;
  z-index:100;
  background:rgba(5,7,12,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{display:flex;align-items:center;gap:8px;}
.brand-icon{width:34px;height:34px;}
.brand-text{
  font-weight:900;font-size:1.3rem;letter-spacing:.02em;
}
.brand-text.small{font-size:1.1rem;}

/* ===== PLUG LOGO ICONS ===== */
.plug-icon{flex-shrink:0;}
.plug-icon--right{transform:scaleX(-1);}
.plug-icon--sm{width:11px;height:20px;}
.plug-icon--lg{width:20px;height:36px;}

.logo-lockup{
  display:flex;align-items:center;justify-content:center;gap:10px;
}
.logo-lockup--sm{justify-content:flex-start;gap:8px;}
.lockup-text{font-weight:900;font-size:1.6rem;letter-spacing:.02em;}
.lockup-sub{
  color:var(--gray-dim);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:700;
  margin-top:14px;
  text-align:center;
}
.lockup-tagline{
  font-style:italic;
  font-weight:600;
  margin-top:10px;
  text-align:center;
}

.main-nav{display:flex;gap:32px;}
.main-nav a{
  font-weight:600;font-size:.92rem;color:var(--gray);
  transition:color .2s ease;
  position:relative;
}
.main-nav a:hover{color:var(--white);}

.header-cta{padding:11px 20px;font-size:.85rem;}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;border:none;cursor:pointer;
  padding:6px;
}
.nav-toggle span{
  width:24px;height:2px;background:var(--white);border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== HERO ===== */
.hero{
  position:relative;
  padding:170px 0 100px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(46,155,239,.25), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 30%, rgba(11,94,215,.2), transparent 60%),
    var(--bg);
  z-index:-1;
}
.hero-inner{max-width:780px;}
.hero h1{
  font-size:clamp(2.2rem,5.2vw,3.6rem);
  font-weight:900;
  line-height:1.15;
  margin-bottom:20px;
}
.hero-sub{
  color:var(--gray);
  font-size:1.05rem;
  max-width:560px;
  margin-bottom:32px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px;}
.hero-badges{
  display:flex;gap:24px;flex-wrap:wrap;
  color:var(--gray);
  font-size:.88rem;
  font-weight:600;
}

/* ===== SERVICES ===== */
.services{padding:100px 0;background:var(--bg-alt);}
.services-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:48px;
}
.service-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 24px;
  transition:transform .25s ease, border-color .25s ease;
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:var(--blue-light);
}
.service-icon{font-size:2.2rem;margin-bottom:16px;}
.service-card h3{font-size:1.1rem;margin-bottom:10px;font-weight:700;}
.service-card p{color:var(--gray);font-size:.9rem;}

/* ===== ABOUT ===== */
.about{padding:100px 0;}
.about-inner{
  display:grid;
  grid-template-columns:1.3fr .8fr;
  gap:64px;
  align-items:center;
}
.about-text p{color:var(--gray);margin-bottom:16px;}
.about-list{margin-top:20px;}
.about-list li{color:var(--gray);margin-bottom:10px;font-weight:500;}
.about-visual{display:flex;justify-content:center;}
.about-card{
  position:relative;
  width:100%;
  max-width:320px;
  aspect-ratio:1/1;
  border-radius:24px;
  background:linear-gradient(160deg,#0d1220,#050810 60%);
  border:1px solid var(--border);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  box-shadow:0 30px 60px rgba(0,0,0,.5), inset 0 0 60px rgba(46,155,239,.08);
}
.corner-bolt{
  position:absolute;
  font-size:1.1rem;
  color:var(--blue-light);
  opacity:.85;
  filter:drop-shadow(0 0 6px rgba(124,212,255,.6));
}
.corner-bolt--tl{top:22px;left:28px;transform:rotate(-12deg);}
.corner-bolt--br{bottom:22px;right:28px;transform:rotate(-12deg);}
.about-card .bolt{font-size:3.5rem;margin-bottom:12px;filter:drop-shadow(0 0 20px rgba(124,212,255,.6));}
.about-card-title{font-weight:900;font-size:1.4rem;}
.about-card-sub{color:var(--gray-dim);font-size:.85rem;margin-top:6px;}

/* ===== REALISATIONS ===== */
.realisations{padding:100px 0;background:var(--bg-alt);}
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:48px;
}
.gallery-card{
  aspect-ratio:4/3;
  border-radius:var(--radius);
  background:linear-gradient(160deg,#0d1220,#050810);
  border:1px dashed var(--border);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;
  color:var(--gray);
  font-weight:600;
  font-size:.88rem;
  text-align:center;
  padding:16px;
}
.gallery-icon{font-size:2rem;}

/* ===== FAQ ===== */
.faq{padding:100px 0;}
.faq-list{max-width:760px;margin:48px auto 0;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px 22px;
}
.faq-item summary{
  cursor:pointer;
  font-weight:700;
  font-size:.98rem;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'+';
  font-size:1.3rem;
  color:var(--blue-light);
  flex-shrink:0;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{color:var(--gray);font-size:.9rem;margin-top:12px;line-height:1.7;}

/* ===== CONTACT ===== */
.contact{padding:100px 0;}
.contact-inner{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:64px;
}
.contact-details{margin-top:28px;display:flex;flex-direction:column;gap:22px;}
.contact-details li{display:flex;gap:14px;align-items:flex-start;}
.contact-icon{font-size:1.3rem;}
.contact-details a:hover{color:var(--blue-light);}

.contact-form{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px;
}
.form-title{font-weight:700;font-size:1.15rem;margin-bottom:20px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:.85rem;font-weight:600;color:var(--gray);margin-bottom:6px;}
.form-row input,.form-row textarea{
  width:100%;
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:8px;
  padding:12px 14px;
  color:var(--white);
  font-family:inherit;
  font-size:.92rem;
  resize:vertical;
}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--blue-light);}
.form-submit{width:100%;border:none;margin-top:4px;}
.form-submit:disabled{opacity:.6;cursor:not-allowed;}
.form-note{color:var(--gray-dim);font-size:.8rem;margin-top:14px;text-align:center;}
.form-success,.form-error{
  display:none;
  margin-top:14px;
  padding:12px 14px;
  border-radius:8px;
  font-size:.85rem;
  line-height:1.5;
}
.form-success{background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.3);color:#8ff0b3;}
.form-error{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);color:#f9a8a8;}
.form-success.show,.form-error.show{display:block;}
.form-error a{color:#f9a8a8;text-decoration:underline;}

/* ===== FOOTER ===== */
.site-footer{
  padding:40px 0;
  border-top:1px solid var(--border);
  background:var(--bg-alt);
}
.footer-inner{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
}
.footer-brand p{color:var(--gray-dim);font-size:.82rem;margin-top:4px;}
.footer-legal{color:var(--gray-dim);font-size:.8rem;}

.fab-cluster{
  position:fixed;bottom:22px;right:22px;
  display:flex;flex-direction:column;gap:14px;
  z-index:95;
}
.fab{
  position:relative;
  width:56px;height:56px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;
  box-shadow:0 10px 26px rgba(0,0,0,.4);
  transition:transform .2s ease;
}
.fab:hover{transform:translateY(-3px) scale(1.05);}
.fab-call{
  background:linear-gradient(90deg,var(--blue-light),var(--blue-dark));
  color:#04101f;
}
.fab-whatsapp{
  background:#25D366;
  color:#ffffff;
}
.fab-ring{
  position:absolute;inset:-6px;
  border-radius:50%;
  border:2px solid var(--blue-light);
  opacity:.6;
  animation:fabPulse 2.2s ease-out infinite;
}
@keyframes fabPulse{
  0%{transform:scale(.85);opacity:.6;}
  70%{transform:scale(1.35);opacity:0;}
  100%{transform:scale(1.35);opacity:0;}
}

/* ===== RESPONSIVE ===== */
@media (max-width:960px){
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .about-inner,.contact-inner{grid-template-columns:1fr;}
  .about-visual{order:-1;}
}

@media (max-width:800px){
  .main-nav{
    position:fixed;top:76px;left:0;right:0;
    background:var(--bg);
    flex-direction:column;
    padding:20px 24px 30px;
    gap:0;
    border-bottom:1px solid var(--border);
    transform:translateY(-150%);
    opacity:0;
    transition:transform .3s ease, opacity .3s ease;
  }
  .main-nav.open{transform:translateY(0);opacity:1;}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--border);}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
}

@media (max-width:560px){
  .services-grid,.gallery-grid{grid-template-columns:1fr;}
  .hero{padding:150px 0 80px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{text-align:center;}
  .fab-cluster{bottom:16px;right:16px;}
  .fab{width:50px;height:50px;font-size:1.25rem;}
}