*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#07131f;
  --navy:#09243d;
  --steel:#e9eef2;
  --cyan:#00a6a6;
  --green:#087c3a;
  --lime:#9fd356;
  --amber:#f2b84b;
  --white:#fff;
  --text:#142033;
  --muted:#667085;
  --line:#dce3ee;
  --shadow:0 32px 95px rgba(5,16,31,.28);
  --soft:0 22px 70px rgba(6,24,50,.14);
}

body{
  font-family:Arial, Helvetica, sans-serif;
  background:#f6f8fb;
  color:var(--text);
  line-height:1.65;
}

a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1240px, calc(100% - 32px));margin:auto}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(15px);
  box-shadow:0 10px 35px rgba(6,24,50,.08);
}

.header-inner{
  min-height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.brand{
  display:flex;
  align-items:center;
  gap:15px;
}

.brand img{
  width:138px;
  height:60px;
  object-fit:contain;
}

.brand strong{
  display:block;
  color:var(--ink);
  font-size:23px;
}

.brand span{
  display:block;
  color:var(--muted);
  font-size:13px;
}

.nav{
  display:flex;
  gap:14px;
  font-weight:800;
}

.nav a{
  padding:9px 13px;
  border-radius:999px;
  color:var(--ink);
}

.nav a:hover{
  background:#eaf7f5;
  color:var(--cyan);
}

.header-contact{
  display:grid;
  text-align:right;
  gap:4px;
  color:var(--green);
  font-weight:900;
}

/* Hero */
.hero{
  position:relative;
  min-height:72vh;
  background:linear-gradient(135deg,var(--ink),var(--navy));
  color:#fff;
  overflow:hidden;
}

.hero-bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 80% 20%, rgba(0,166,166,.28), transparent 28%),
    radial-gradient(circle at 12% 25%, rgba(159,211,86,.2), transparent 28%),
    linear-gradient(135deg,#07131f,#09243d);
}

.hero-bg:after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(180deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:70px 70px;
  opacity:.55;
}

.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .72fr;
  gap:44px;
  align-items:center;
  padding:92px 0 110px;
}

.kicker,
.section-label{
  display:inline-block;
  color:var(--lime);
  text-transform:uppercase;
  letter-spacing:.1em;
  font-size:13px;
  font-weight:900;
  margin-bottom:14px;
}

.hero h1{
  font-size:clamp(42px,6vw,78px);
  line-height:.98;
  letter-spacing:-2px;
  max-width:860px;
  margin-bottom:22px;
}

.hero p{
  color:#e7f2f4;
  font-size:18px;
  max-width:780px;
  margin-bottom:28px;
}

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

.btn{
  display:inline-flex;
  min-height:54px;
  padding:14px 24px;
  border-radius:999px;
  align-items:center;
  justify-content:center;
  font-weight:900;
  transition:.25s ease;
}

.btn:hover{transform:translateY(-2px)}

.btn.primary{
  background:linear-gradient(135deg,var(--cyan),var(--lime));
  color:#07131f;
  box-shadow:0 16px 34px rgba(0,166,166,.25);
}

.btn.secondary{
  background:#fff;
  color:var(--ink);
}

.btn.dark{
  background:var(--ink);
  color:#fff;
}

.hero-card{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.26);
  border-radius:34px;
  padding:30px;
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}

.hero-card > span{
  color:var(--lime);
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:12px;
}

.hero-card h2{
  color:#fff;
  font-size:32px;
  margin:10px 0 20px;
}

.hero-card div{
  background:#fff;
  color:var(--ink);
  border-radius:22px;
  padding:20px;
  margin:14px 0;
}

.hero-card small{
  color:var(--muted);
  font-weight:900;
}

.hero-card strong{
  display:block;
  font-size:34px;
}

.hero-card p{
  color:#dce7f4;
  font-size:14px;
  margin:16px 0 0;
}

/* Main image */
.image-section{
  padding:78px 0 28px;
  background:#fff;
}

.image-heading{
  text-align:center;
  max-width:920px;
  margin:0 auto 30px;
}

.image-heading span{
  display:inline-block;
  color:var(--cyan);
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-size:13px;
  margin-bottom:10px;
}

.image-heading h2{
  color:var(--ink);
  font-size:clamp(32px,4vw,54px);
  line-height:1.08;
  margin-bottom:12px;
}

.image-heading p{
  color:var(--muted);
}

.main-image-frame{
  padding:12px;
  border-radius:36px;
  background:linear-gradient(135deg,var(--cyan),var(--lime),var(--amber));
  box-shadow:var(--shadow);
}

.main-image-frame img{
  width:100%;
  border-radius:26px;
}

/* Spec strip */
.spec-strip{
  padding:38px 0 20px;
  background:#fff;
}

.spec-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}

.spec-grid div{
  background:#f6f8fb;
  border:1px solid var(--line);
  border-radius:24px;
  padding:22px;
  box-shadow:var(--soft);
}

.spec-grid strong{
  display:block;
  color:var(--ink);
  font-size:20px;
}

.spec-grid span{
  color:var(--muted);
}

/* General sections */
.section{padding:88px 0}

.section h2,
.section-head h2,
.contact-box h2{
  color:var(--ink);
  font-size:clamp(32px,4vw,54px);
  line-height:1.08;
  margin-bottom:16px;
}

.section p,
.section-head p{
  color:var(--muted);
  font-size:17px;
}

.two-col,
.material-grid,
.budget-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:46px;
  align-items:center;
}

.dark-panel,
.value-card{
  background:linear-gradient(135deg,var(--ink),var(--navy));
  color:#fff;
  border-radius:34px;
  padding:36px;
  box-shadow:var(--shadow);
}

.dark-panel h3,
.value-card h3{
  color:var(--lime);
  font-size:30px;
  margin-bottom:18px;
}

.dark-panel div{
  display:flex;
  justify-content:space-between;
  gap:18px;
  border-bottom:1px solid rgba(255,255,255,.15);
  padding:14px 0;
}

.dark-panel span{
  color:#dce9ee;
}

.dark-panel strong{
  color:#fff;
}

/* Pricing */
.pricing{background:#fff}

.section-head{
  text-align:center;
  max-width:900px;
  margin:0 auto 42px;
}

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

.pricing-grid article{
  background:#fff;
  border:1px solid var(--line);
  border-radius:30px;
  padding:30px;
  box-shadow:var(--soft);
  position:relative;
  overflow:hidden;
}

.pricing-grid article:before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:8px;
  background:var(--cyan);
}

.pricing-grid article.highlight:before{
  background:var(--lime);
}

.num{
  width:54px;
  height:54px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--ink);
  color:#fff;
  font-weight:900;
  margin-bottom:18px;
}

.pricing-grid h3{
  color:var(--ink);
  font-size:26px;
  margin-bottom:10px;
}

.pricing-grid strong{
  display:block;
  color:var(--cyan);
  font-size:34px;
  margin-bottom:10px;
}

/* Materials */
.materials{
  background:linear-gradient(180deg,#f6f8fb,#fff);
}

.material-table{
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:30px;
  box-shadow:var(--soft);
}

.material-table div{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}

.material-table div:last-child{
  border-bottom:0;
}

.material-table span,
.budget-row span{
  color:var(--muted);
  font-weight:900;
}

.material-table strong{
  color:var(--ink);
  text-align:right;
}

/* Budget */
.budget{background:#fff}

.budget-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:38px;
  box-shadow:var(--soft);
}

.budget-row{
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:center;
  border-bottom:1px solid var(--line);
  padding:22px 0;
}

.budget-row strong{
  color:var(--green);
  font-size:34px;
}

.value-card ul{
  padding-left:20px;
}

.value-card li{
  color:#dce9ee;
  margin:10px 0;
}

/* Advantage */
.advantage{
  background:linear-gradient(135deg,var(--ink),var(--navy));
  color:#fff;
}

.advantage h2{
  color:#fff;
}

.advantage-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.advantage-grid div{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(159,211,86,.28);
  border-radius:26px;
  padding:24px;
}

.advantage-grid strong{
  display:block;
  color:var(--lime);
  font-size:20px;
  margin-bottom:8px;
}

.advantage-grid p{
  color:#dce9ee;
}

/* Contact */
.contact-section{
  padding:80px 0;
  background:#f6f8fb;
}

.contact-box{
  display:grid;
  grid-template-columns:1.2fr auto;
  gap:32px;
  align-items:center;
  background:linear-gradient(135deg,#fff,#eaf9f6);
  border:1px solid var(--line);
  border-radius:36px;
  padding:42px;
  box-shadow:var(--soft);
}

.contact-actions{
  display:flex;
  flex-direction:column;
  gap:14px;
}

/* Footer */
.site-footer{
  background:#050b17;
  color:#dbe7f4;
  padding:48px 0 24px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr .9fr;
  gap:34px;
}

.footer-grid img{
  width:150px;
  background:#fff;
  padding:8px;
  border-radius:12px;
  margin-bottom:14px;
}

.footer-grid h3,
.footer-grid h4{
  color:var(--lime);
  margin-bottom:10px;
}

.footer-grid p{
  color:#cbd7e6;
  margin:6px 0;
}

.copyright{
  text-align:center;
  margin-top:28px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  color:#9fb0c4;
  font-size:14px;
}

/* Responsive */
@media(max-width:1050px){
  .header-inner,
  .hero-grid,
  .two-col,
  .material-grid,
  .budget-grid,
  .contact-box,
  .footer-grid{
    grid-template-columns:1fr;
    display:grid;
  }

  .nav{
    flex-wrap:wrap;
  }

  .header-contact{
    text-align:left;
  }

  .spec-grid,
  .pricing-grid,
  .advantage-grid{
    grid-template-columns:repeat(2,1fr);
  }
}

@media(max-width:720px){
  .header-inner{
    text-align:center;
  }

  .brand{
    flex-direction:column;
  }

  .header-contact{
    text-align:center;
  }

  .nav{
    justify-content:center;
  }

  .hero h1{
    font-size:40px;
  }

  .spec-grid,
  .pricing-grid,
  .advantage-grid{
    grid-template-columns:1fr;
  }

  .section{
    padding:62px 0;
  }

  .material-table div,
  .budget-row,
  .dark-panel div{
    display:block;
  }

  .material-table strong,
  .budget-row strong,
  .dark-panel strong{
    display:block;
    text-align:left;
    margin-top:8px;
  }
}