:root{
  --primary:#0f172a;
  --secondary:#1d4ed8;
  --accent:#38bdf8;
  --light:#f8fafc;
  --text:#1e293b;
  --muted:#64748b;
  --white:#ffffff;
  --border:rgba(255,255,255,.16);
  --shadow:0 10px 30px rgba(15,23,42,.14);
  --radius:18px;
  --max:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:var(--light);
  line-height:1.5;
}

a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(92%, var(--max));margin:0 auto}

header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgb(180 181 194 / 92%);
  backdrop-filter:blur(10px);
  box-shadow:0 6px 20px rgba(0,0,0,.08);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:78px;
  gap:20px;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  color:var(--white);
  font-weight:bold;
  font-size:1.15rem;
  letter-spacing:.3px;
}

.logo{
  width:52px;
  height:52px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--secondary),var(--accent));
  display:grid;
  place-items:center;
  color:#fff;
  font-size:1.2rem;
  box-shadow:var(--shadow);
  font-weight:700;
}

nav ul{
  display:flex;
  list-style:none;
  gap:28px;
  color:#ffffff;
  font-size:.97rem;
  align-items:center;
}

nav a:hover{color:var(--accent)}

.btn{
  display:inline-block;
  padding:14px 22px;
  border-radius:12px;
  background:var(--secondary);
  color:#fff;
  font-weight:bold;
  transition:.25s ease;
}

.btn:hover{transform:translateY(-2px);background:#2563eb}
.btn-outline{
  background:transparent;
  border:1px solid rgba(255,255,255,.35);
}

.hero{
  position:relative;
  min-height:88vh;
  color:#fff;
  overflow:hidden;
  background:#020617;
}

.slides{
  position:absolute;
  inset:0;
}

.slide{
  position:absolute;
  inset:0;
  opacity:0;
  transition:opacity 1s ease-in-out;
  background-size:cover;
  background-position:center;
}

.slide.active{opacity:1}

.slide::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(2,6,23,.82) 0%, rgba(2,6,23,.68) 48%, rgba(2,6,23,.52) 100%);
}

.hero-content{
  position:relative;
  z-index:2;
  min-height:88vh;
  display:flex;
  align-items:center;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
}

.tag{
  display:inline-block;
  padding:8px 14px;
  border:1px solid var(--border);
  border-radius:999px;
  background:rgba(255,255,255,.08);
  font-size:.9rem;
  margin-bottom:18px;
}

.hero h1{
  font-size:clamp(2.1rem, 4vw, 4.2rem);
  line-height:1.08;
  margin-bottom:18px;
}

.hero p{
  font-size:1.08rem;
  max-width:680px;
  color:#cbd5e1;
  margin-bottom:28px;
}

.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:28px;
}

.hero-card{
  background:rgba(255,255,255,.09);
  border:1px solid var(--border);
  backdrop-filter:blur(10px);
  border-radius:22px;
  padding:26px;
  box-shadow:var(--shadow);
}

.hero-card h3{margin-bottom:14px;font-size:1.2rem}
.hero-card ul{list-style:none;display:grid;gap:10px;color:#e2e8f0}
.hero-card li::before{content:"✓ ";color:var(--accent);font-weight:bold}

section{padding:84px 0}

.section-title{
  text-align:center;
  margin-bottom:18px;
  color:var(--primary);
  font-size:2rem;
}

.section-text{
  text-align:center;
  max-width:760px;
  margin:0 auto 46px;
  color:var(--muted);
  font-size:1.02rem;
}

.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}

.card{
  background:#fff;
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  border:1px solid #e2e8f0;
}

.icon{
  width:58px;
  height:58px;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-size:1.4rem;
  margin-bottom:18px;
  background:linear-gradient(135deg,#dbeafe,#e0f2fe);
  color:var(--secondary);
  font-weight:bold;
}

.card h3{margin-bottom:12px;color:var(--primary)}
.card p{color:var(--muted)}

.about{
  background:linear-gradient(180deg,#ffffff 0%, #f1f5f9 100%);
}

.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:34px;
  align-items:center;
}

.about-box{
  background:#fff;
  border-radius:20px;
  box-shadow:var(--shadow);
  padding:34px;
  border:1px solid #e2e8f0;
}

.about-box h2{margin-bottom:16px;font-size:2rem;color:var(--primary)}
.about-box p{color:var(--muted);margin-bottom:14px}

.list{list-style:none;display:grid;gap:12px;margin-top:18px}
.list li::before{content:"• ";color:var(--secondary);font-weight:bold}

.metrics{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}

.metric{
  background:#0f172a;
  color:#fff;
  border-radius:18px;
  padding:24px;
}

.metric strong{display:block;font-size:2rem;margin-bottom:6px}
.metric span{color:#cbd5e1}

.cta{
  background:linear-gradient(135deg,#0f172a 0%, #1e3a8a 100%);
  color:#fff;
}

.cta-box{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:24px;
  align-items:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:24px;
  padding:40px;
}

.cta h2{font-size:2rem;margin-bottom:14px}
.cta p{color:#dbeafe}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}

.contact-card{
  background:#fff;
  border-radius:20px;
  padding:32px;
  box-shadow:var(--shadow);
  border:1px solid #e2e8f0;
}

.contact-card h3{margin-bottom:16px}
.contact-info{display:grid;gap:14px;color:var(--muted)}

form{display:grid;gap:14px}
input, textarea{
  width:100%;
  padding:14px 16px;
  border:1px solid #cbd5e1;
  border-radius:12px;
  font-size:1rem;
  outline:none;
}
textarea{min-height:140px;resize:vertical}

.form-alert{
  margin-bottom:16px;
  padding:12px 14px;
  border-radius:12px;
  font-size:.95rem;
  border:1px solid transparent;
}

.form-alert.success{
  background:#ecfdf5;
  color:#065f46;
  border-color:#a7f3d0;
}

.form-alert.error{
  background:#fef2f2;
  color:#991b1b;
  border-color:#fecaca;
}

.hp-field{
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}

footer{
  background:#020617;
  color:#cbd5e1;
  padding:28px 0;
  text-align:center;
  font-size:.95rem;
}

.menu-toggle{display:none}

@media (max-width: 980px){
  .hero-grid,
  .about-grid,
  .cta-box,
  .contact-grid,
  .cards{
    grid-template-columns:1fr;
  }

  nav ul{
    position:absolute;
    top:78px;
    right:4%;
    background:#0f172a;
    border:1px solid rgba(255,255,255,.1);
    border-radius:16px;
    padding:18px;
    width:240px;
    display:none;
    flex-direction:column;
    align-items:flex-start;
  }

  nav ul.show{display:flex}

  .menu-toggle{
    display:block;
    background:transparent;
    color:#fff;
    border:1px solid rgba(255,255,255,.25);
    border-radius:10px;
    padding:10px 14px;
    cursor:pointer;
  }

  .nav .btn-header{display:none}
  .metrics{grid-template-columns:1fr 1fr}
}

@media (max-width: 640px){
  .hero{min-height:auto}
  .hero-content{min-height:auto;padding:120px 0 80px}
  .hero h1{font-size:2.2rem}
  .metrics{grid-template-columns:1fr}
  .section-title{font-size:1.7rem}
  .about-box,.card,.contact-card,.cta-box{padding:24px}
}