*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

html,body{
  width:100%;
  overflow-x:hidden;
}

body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:#0b1b2c;
  color:#fff;
}



/* HERO */
.hero{
  height:78vh;
  min-height:560px;
  background:url('../images/mineral.jpg') center/cover no-repeat;
  display:flex;
  align-items:center;
  position:relative;
  padding-top:74px;
}

.hero-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(11,27,44,.88) 0%, rgba(11,27,44,.65) 45%, rgba(11,27,44,.45) 100%),
    rgba(67,125,167,.20);
}

.hero-content{
  position:relative;
  z-index:2;
  max-width:1100px;
  width:100%;
  margin:auto;
  padding:20px;
}

.small-title{
  letter-spacing:2px;
  color:#8ec1eb;
  font-size:14px;
  margin-bottom:12px;
}

.hero-content h1{
  font-size:clamp(42px, 6vw, 72px);
  line-height:1.05;
  margin-bottom:20px;
}

.hero-content p{
  max-width:680px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  font-size:17px;
}

/* COMMON */
.container{
  max-width:1200px;
  margin:auto;
  padding:90px 20px;
}

.section-head{
  margin-bottom:34px;
}

.mini-title{
  color:#8ec1eb;
  text-transform:uppercase;
  letter-spacing:2px;
  font-size:13px;
  margin-bottom:10px;
}

.section-head h2{
  font-size:clamp(28px, 4vw, 48px);
  line-height:1.2;
  max-width:760px;
}

/* INTRO */
.research-intro{
  background:linear-gradient(180deg, #0b1b2c 0%, #0d2237 100%);
}

.intro-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:24px;
}

.intro-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-radius:24px;
  padding:30px;
  box-shadow:0 15px 40px rgba(0,0,0,.18);
}

.intro-card h3{
  font-size:24px;
  margin-bottom:16px;
}

.intro-card p{
  color:rgba(255,255,255,.82);
  line-height:1.85;
  margin-bottom:14px;
}

.intro-card ul{
  padding-left:18px;
}

.intro-card li{
  color:rgba(255,255,255,.82);
  line-height:1.8;
  margin-bottom:10px;
}

/* REPORTS */
.reports-section{
  background:#0d2237;
  padding-top:10px;
}

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

.report-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 15px 40px rgba(0,0,0,.18);
  transition:transform .3s ease, box-shadow .3s ease;
}

.report-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 45px rgba(0,0,0,.25);
}

.report-image{
  height:230px;
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}

.report-content{
  padding:26px;
}

.report-tag{
  display:inline-block;
  font-size:12px;
  letter-spacing:1.2px;
  text-transform:uppercase;
  color:#9dd0f3;
  margin-bottom:12px;
}

.report-content h3{
  font-size:25px;
  margin-bottom:14px;
}

.report-content p{
  color:rgba(255,255,255,.82);
  line-height:1.8;
  margin-bottom:20px;
}

/* METHOD */
.method-section{
  background:#0d2237;
  padding-top:10px;
}

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

.method-box{
  padding:32px 26px;
  border-radius:24px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
}

.method-number{
  font-size:34px;
  font-weight:800;
  color:#8ec1eb;
  margin-bottom:14px;
}

.method-box h3{
  font-size:22px;
  margin-bottom:12px;
}

.method-box p{
  color:rgba(255,255,255,.82);
  line-height:1.8;
}

/* STATS */
.stats-section{
  background:#0d2237;
  padding-top:10px;
}

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

.stat-box{
  padding:34px 24px;
  border-radius:24px;
  text-align:center;
  background:linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.03) 100%);
  border:1px solid rgba(255,255,255,.08);
}

.stat-box h3{
  font-size:42px;
  color:#9ecff3;
  margin-bottom:8px;
}

.stat-box p{
  color:rgba(255,255,255,.80);
}

/* BUTTON */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:140px;
  height:44px;
  padding:0 18px;
  border-radius:999px;
  text-decoration:none;
  color:#fff;
  font-weight:700;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  backdrop-filter:blur(8px);
  transition:.3s ease;
}

.btn:hover{
  background:rgba(255,255,255,.16);
}

/* CONTACT */
.contact-section{
  background:#0d2237;
  padding-bottom:90px;
}

.contact-box{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding:34px;
  border-radius:28px;
  background:
    linear-gradient(135deg, rgba(67,125,167,.22) 0%, rgba(115,179,223,.12) 100%);
  border:1px solid rgba(255,255,255,.08);
}

.contact-box h2{
  font-size:clamp(28px, 4vw, 42px);
  margin-bottom:10px;
}

.contact-box p{
  color:rgba(255,255,255,.82);
  line-height:1.8;
}

.secondary-btn{
  min-width:170px;
}

/* RESPONSIVE */
@media(max-width:1100px){
  .nav{
    display:none;
  }

  .intro-grid{
    grid-template-columns:1fr;
  }

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

  .method-grid{
    grid-template-columns:1fr;
  }

  .stats-grid{
    grid-template-columns:1fr;
  }

  .contact-box{
    flex-direction:column;
    align-items:flex-start;
  }
}

@media(max-width:768px){
  .topbar{
    padding:0 16px;
    gap:14px;
  }

  .right{
    gap:10px;
  }

  .phone{
    font-size:13px;
  }

  .hero{
    min-height:480px;
  }

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

  .hero-content p{
    font-size:16px;
  }

  .reports-grid{
    grid-template-columns:1fr;
  }

  .container{
    padding:70px 16px;
  }
}