:root{
  --bg:#f8fbff;
  --bg-soft:#f2f7fc;
  --panel:#ffffff;
  --panel-2:#fbfdff;
  --line:#e3ecf4;
  --text:#243446;
  --title:#122033;
  --muted:#66788c;
  --accent:#7fa4b9;
  --accent-2:#a8cadb;
  --accent-3:#223449;
  --header:#0f172a;
  --success:#25D366;
  --shadow:0 20px 50px rgba(15,23,42,.08);
  --shadow-soft:0 10px 24px rgba(15,23,42,.06);
  --radius:24px;
  --max:1240px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(127,164,185,.10), transparent 22%),
    radial-gradient(circle at 100% 8%, rgba(168,202,219,.12), transparent 18%),
    linear-gradient(180deg,#ffffff 0%, #f8fbff 44%, #f2f7fc 100%);
}

a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
.container{width:min(var(--max),92%);margin:auto}
.section{padding:90px 0}
.grid{display:grid;gap:22px}

.card{
  background:linear-gradient(180deg,var(--panel) 0%, var(--panel-2) 100%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid #dbe7f0;
  background:#f7fbff;
  color:#5f7991;
  font-size:13px;
  font-weight:800;
}

.title{
  margin:18px 0 14px;
  font-size:clamp(30px,4vw,54px);
  line-height:1.03;
  font-weight:900;
  letter-spacing:-1.5px;
  color:var(--title);
}

.lead{
  margin:0 0 32px;
  max-width:760px;
  color:var(--muted);
  font-size:17px;
  line-height:1.85;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:54px;
  padding:0 20px;
  border-radius:16px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:800;
  transition:.25s ease;
  cursor:pointer;
}

.btn:hover{transform:translateY(-2px)}
.btn-primary{
  background:linear-gradient(135deg,var(--accent-3),var(--accent));
  color:#fff;
  box-shadow:0 18px 38px rgba(127,164,185,.22);
}
.btn-secondary{
  background:#fff;
  color:var(--title);
  border-color:#dce6ef;
  box-shadow:var(--shadow-soft);
}

header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(15,23,42,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  box-shadow:0 10px 30px rgba(2,6,23,.16);
}

.nav{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  position:relative;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
}

.logo{
  width:50px;
  height:50px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,#213249,#7fa4b9);
  color:#fff;
  font-weight:900;
  letter-spacing:.7px;
  box-shadow:0 14px 32px rgba(127,164,185,.25);
}

.brand-meta strong{
  display:block;
  color:#fff;
  font-size:15px;
}

.brand-meta span{
  display:block;
  color:#9fb1c7;
  font-size:12px;
  margin-top:2px;
}

.menu{
  display:flex;
  align-items:center;
  gap:8px;
}

.menu a{
  padding:11px 14px;
  border-radius:12px;
  color:#dce8f5;
  font-size:14px;
  font-weight:700;
}

.menu a:hover,
.menu a.active{
  background:rgba(255,255,255,.06);
  color:#fff;
}

.menu .cta{
  margin-left:6px;
  background:linear-gradient(135deg,var(--accent-3),var(--accent));
  color:#fff;
}

.menu-toggle{
  display:none;
  width:46px;
  height:46px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  color:#fff;
  font-size:21px;
  cursor:pointer;
}

.hero{
  padding:90px 0 50px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:30px;
  align-items:center;
}

.hero-copy h1{
  margin:18px 0 16px;
  font-size:clamp(42px,6vw,82px);
  line-height:.95;
  letter-spacing:-2.2px;
  font-weight:900;
  color:var(--title);
}

.hero-copy p{
  margin:0 0 28px;
  max-width:720px;
  color:var(--muted);
  font-size:18px;
  line-height:1.9;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:22px;
}

.hero-box{
  min-height:520px;
  overflow:hidden;
  border-radius:30px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,#ffffff 0%, #f3f8fd 48%, #edf5fb 100%);
  box-shadow:0 30px 70px rgba(16,24,40,.10);
}

.hero-box img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.stats-strip{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}

.stat{
  padding:22px 18px;
  text-align:center;
}

.stat h3{
  margin:0 0 8px;
  font-size:36px;
  line-height:1;
  font-weight:900;
  color:var(--title);
}

.stat p{
  margin:0;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
}

.services-grid,
.projects-grid,
.info-grid,
.testimonials-grid{
  grid-template-columns:repeat(3,1fr);
}

.service,
.project,
.info-box,
.testimonial{
  padding:26px;
}

.service h3,
.project h3,
.info-box h3,
.testimonial h3{
  margin:0 0 10px;
  color:var(--title);
}

.service p,
.project p,
.info-box p,
.testimonial p{
  margin:0;
  color:var(--muted);
  line-height:1.8;
}

.project{
  padding:0;
  overflow:hidden;
}

.project img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-bottom:1px solid var(--line);
}

.project-body{
  padding:20px;
}

.contact-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:24px;
}

.contact-card{
  padding:28px;
}

.contact-list{
  display:grid;
  gap:14px;
  margin-top:18px;
}

.contact-item{
  padding:16px 18px;
  border-radius:18px;
  background:#fff;
  border:1px solid #e4edf5;
  box-shadow:var(--shadow-soft);
}

.contact-item small{
  display:block;
  color:#7f96ad;
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  margin-bottom:6px;
}

.contact-item strong,.contact-item a{
  color:var(--title);
  font-size:15px;
  line-height:1.6;
}

.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}

.field{
  width:100%;
  min-height:54px;
  padding:0 16px;
  border-radius:16px;
  border:1px solid #dce7f1;
  background:#fff;
  color:var(--title);
  font:inherit;
  outline:none;
  box-shadow:var(--shadow-soft);
}

textarea.field{
  min-height:140px;
  padding:16px;
  resize:vertical;
}

.field::placeholder{color:#90a5bb}

.map{
  margin-top:20px;
  overflow:hidden;
  border-radius:22px;
  border:1px solid #e4edf5;
  box-shadow:var(--shadow-soft);
}

.map iframe{
  width:100%;
  height:280px;
  border:0;
  display:block;
}

footer{
  padding:28px 0 44px;
  border-top:1px solid #e6eef5;
  background:rgba(255,255,255,.75);
}

.footer-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  color:#7c90a5;
  font-size:14px;
}

.fab{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:900;
  width:62px;
  height:62px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--success);
  color:#fff;
  font-size:28px;
  box-shadow:0 18px 40px rgba(37,211,102,.28);
}

@media (max-width:1100px){
  .hero-grid,.contact-grid{
    grid-template-columns:1fr;
  }
  .stats-strip,.services-grid,.projects-grid,.info-grid,.testimonials-grid{
    grid-template-columns:repeat(2,1fr);
  }
}

@media (max-width:860px){
  .menu-toggle{display:block}
  .menu{
    display:none;
    position:absolute;
    left:0;right:0;top:78px;
    flex-direction:column;
    align-items:stretch;
    padding:14px;
    border-radius:22px;
    background:rgba(15,23,42,.98);
    border:1px solid rgba(255,255,255,.08);
    box-shadow:0 25px 60px rgba(2,6,23,.25);
  }
  .menu.active{display:flex}
  .menu .cta{margin-left:0}
  .stats-strip,.services-grid,.projects-grid,.info-grid,.testimonials-grid{
    grid-template-columns:1fr;
  }
  .form-grid{grid-template-columns:1fr}
  .footer-row{flex-direction:column;align-items:flex-start}
}
.slider{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  box-shadow:var(--shadow);
}

.slides{
  display:flex;
  transition:transform .6s ease;
}

.slider-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:50px;
  height:50px;
  border:none;
  border-radius:50%;
  background:rgba(255,255,255,.9);
  font-size:22px;
  cursor:pointer;
}

.prev{ left:15px; }
.next{ right:15px; }

.project-grid img{
transition:.4s;
}

.project-grid img:hover{
transform:scale(1.08);
}

.slider{
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow);
  background: #eef4f8;
}

.slides{
  display: flex;
  transition: transform .6s ease;
}

.slides img{
  width: 100%;
  min-width: 100%;
  height: 85vh;
  max-height: 900px;
  object-fit: contain;
  background: #eef4f8;
}

.slider-btn{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  font-size: 22px;
  cursor: pointer;
}

.prev{ left:15px; }
.next{ right:15px; }

/* 3x3 galeri */
.project-grid{
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}

.project-grid img{
  width: 100%;
  height: 420px;
  object-fit: contain;
  background: #eef4f8;
  border-radius: 18px;
  box-shadow: var(--shadow);
  transition: .4s;
}

.project-grid img:hover{
  transform: scale(1.03);
}

@media (max-width: 900px){
  .slides img{
    height: 70vh;
  }

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

  .project-grid img{
    height: 340px;
  }
}

@media (max-width: 600px){
  .project-grid{
    grid-template-columns: 1fr;
  }

  .project-grid img{
    height: 420px;
  }
}