/* style-modern.css — Silbertec */

:root{
  --navy-deep:#001a33;
  --navy:#002244;
  --navy-light:#0055a5;
  --accent:#00b4d8;
  --ink:#0d1b2a;
  --muted:#5c6b7a;
  --bg-soft:#f4f7fa;
}

*{box-sizing:border-box;}

body{
  font-family:'Inter','Segoe UI',sans-serif;
  color:var(--ink);
  line-height:1.65;
  scroll-behavior:smooth;
  background:#fff;
}

h1,h2,h3,h4,h5,h6{
  font-family:'Poppins','Segoe UI',sans-serif;
}

a{transition:color .25s ease;}

/* ===== NAVBAR ===== */
.navbar-glass{
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:14px 0;
  transition:all .3s ease;
  border-bottom:1px solid rgba(0,34,68,0.06);
}
.navbar-glass.scrolled{
  padding:8px 0;
  box-shadow:0 6px 24px rgba(0,20,40,0.08);
}
.navbar-glass .nav-link{
  color:var(--navy);
  font-weight:500;
  margin:0 10px;
  position:relative;
}
.navbar-glass .nav-link:hover{color:var(--accent);}
.btn-nav-cta{
  background:var(--navy);
  color:#fff !important;
  border-radius:30px;
  padding:8px 20px !important;
}
.btn-nav-cta:hover{background:var(--accent);}

@media (min-width:992px) and (max-width:1200px){
  .navbar-glass .nav-link{margin:0 6px;font-size:.92rem;}
  .btn-nav-cta{padding:8px 14px !important;}
}

/* ===== HERO ===== */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:linear-gradient(160deg,var(--navy-deep) 0%, var(--navy) 45%, var(--navy-light) 100%);
}
.hero-bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 80% 20%, rgba(0,180,216,0.25), transparent 55%),
    radial-gradient(circle at 10% 90%, rgba(0,180,216,0.15), transparent 50%);
}
.hero-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,0.6), transparent 75%);
}
.hero-content{
  position:relative;
  z-index:2;
  color:#fff;
  max-width:760px;
  padding:140px 0 80px;
  animation:fadeInUp .9s ease-out;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(0,180,216,0.15);
  border:1px solid rgba(0,180,216,0.4);
  color:var(--accent);
  font-size:.85rem;
  font-weight:600;
  letter-spacing:.5px;
  padding:8px 16px;
  border-radius:30px;
  margin-bottom:24px;
}
.hero-content h1{
  font-size:3rem;
  font-weight:800;
  line-height:1.2;
  margin-bottom:20px;
}
.hero-content h1 span{color:var(--accent);}
.hero-content p{
  font-size:1.15rem;
  font-weight:300;
  color:#cfd9e3;
  margin-bottom:32px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.btn-hero-primary{
  background:var(--accent);
  color:#001a33;
  font-weight:600;
  padding:14px 30px;
  border-radius:8px;
  border:none;
  transition:all .25s ease;
}
.btn-hero-primary:hover{background:#fff;color:var(--navy);transform:translateY(-2px);}
.btn-hero-outline{
  border:1px solid rgba(255,255,255,0.4);
  color:#fff;
  font-weight:600;
  padding:14px 30px;
  border-radius:8px;
  transition:all .25s ease;
}
.btn-hero-outline:hover{background:rgba(255,255,255,0.1);border-color:#fff;}
.hero-fade{
  position:absolute;
  left:0;right:0;bottom:0;
  height:80px;
  background:linear-gradient(to bottom, transparent, #fff);
}

@keyframes fadeInUp{
  from{opacity:0;transform:translateY(24px);}
  to{opacity:1;transform:translateY(0);}
}

/* ===== STRIP ===== */
.strip{
  background:#fff;
  padding:36px 0;
  border-bottom:1px solid #eef1f4;
}
.strip-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  color:var(--navy);
  font-weight:600;
  font-size:.95rem;
}
.strip-item i{font-size:1.6rem;color:var(--accent);}

/* ===== SECTION COMMON ===== */
.section-py{padding:90px 0;}
.bg-light-soft{background:var(--bg-soft);}
.section-head{max-width:680px;margin:0 auto 50px;}
.section-tag{
  display:inline-block;
  color:var(--accent);
  background:rgba(0,180,216,0.1);
  font-weight:700;
  font-size:.8rem;
  letter-spacing:1px;
  text-transform:uppercase;
  padding:6px 16px;
  border-radius:20px;
  margin-bottom:16px;
}
.section-tag.light{background:rgba(255,255,255,0.12);color:#bfe9f5;}
.section-head h2{
  font-size:2.2rem;
  font-weight:800;
  color:var(--navy);
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:1.05rem;}

/* ===== SERVICE CARDS ===== */
.service-card{
  background:#fff;
  border-radius:16px;
  overflow:hidden;
  height:100%;
  box-shadow:0 6px 20px rgba(13,27,42,0.06);
  transition:transform .3s ease, box-shadow .3s ease;
  border:1px solid #eef1f4;
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:0 16px 36px rgba(13,27,42,0.14);
}
.service-img{height:280px;overflow:hidden;}
.service-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.service-card:hover .service-img img{transform:scale(1.08);}
.service-body{padding:24px;}
.service-body i{font-size:1.5rem;color:var(--accent);margin-bottom:10px;display:block;}
.service-body h5{font-weight:700;color:var(--navy);margin-bottom:10px;}
.service-body p{color:var(--muted);font-size:.95rem;margin-bottom:0;}
.eng-card .service-img{height:150px;}
.eng-card .service-img-contain{
  height:220px;
  background:#f4f6f8;
  display:flex;
  align-items:center;
  justify-content:center;
}
.service-img-contain img{
  width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;
}
.service-card:hover .service-img-contain img{transform:scale(1.05);}

/* ===== NIEWTUN BAND ===== */
.niewtun-band{
  background:linear-gradient(135deg,var(--navy-deep), var(--navy) 60%, var(--navy-light));
  color:#fff;
  padding:100px 0;
  position:relative;
  overflow:hidden;
}
.niewtun-band h2{font-weight:800;font-size:2rem;margin-bottom:18px;}
.niewtun-band p{color:#cfd9e3;font-size:1.05rem;}
.niewtun-list{list-style:none;padding:0;margin:24px 0 30px;}
.niewtun-list li{margin-bottom:12px;font-size:1rem;color:#e6eef4;}
.niewtun-list i{color:var(--accent);margin-right:10px;}
.niewtun-imgwrap{
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 20px 50px rgba(0,0,0,0.35);
  border:1px solid rgba(255,255,255,0.15);
}
.niewtun-imgwrap img{width:100%;height:100%;object-fit:cover;display:block;}

/* ===== INOVAÇÃO ===== */
.innovation-card{
  background:#fff;border:1px solid #eef1f4;border-radius:16px;padding:28px 26px;height:100%;
  box-shadow:0 6px 20px rgba(13,27,42,0.06);
}
.innovation-card img{width:100%;border-radius:12px;border:1px solid #eef1f4;margin-bottom:16px;display:block;}
.innovation-card h5{font-weight:700;color:var(--navy);margin-bottom:10px;font-size:1.05rem;}
.innovation-card p{color:var(--muted);font-size:.95rem;}
.innovation-note{font-style:italic;font-size:.82rem !important;margin-top:8px;}
.innovation-badge{
  display:inline-block;font-weight:700;font-size:.72rem;letter-spacing:.5px;text-transform:uppercase;
  padding:4px 12px;border-radius:20px;margin-bottom:12px;
}
.innovation-badge.ip{background:#e6f6ee;color:#1c9d63;}
.innovation-badge.pending{background:#fdf1dd;color:#a86a06;}

/* ===== END / NDT CARDS ===== */
.subsection-title{
  color:var(--navy);
  font-weight:700;
  margin-bottom:24px;
}
.subsection-title i{color:var(--accent);margin-right:8px;}
.ndt-card{
  background:#fff;
  border-radius:14px;
  padding:28px 22px;
  height:100%;
  text-align:center;
  border:1px solid #eef1f4;
  box-shadow:0 6px 18px rgba(13,27,42,0.05);
  transition:transform .3s ease, box-shadow .3s ease;
}
.ndt-card:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(13,27,42,0.12);}
.ndt-card i{font-size:1.8rem;color:var(--accent);margin-bottom:12px;}
.ndt-card h6{font-weight:700;color:var(--navy);margin-bottom:8px;}
.ndt-card p{color:var(--muted);font-size:.9rem;margin-bottom:0;}

/* ===== ABOUT ===== */
.about-card{
  background:var(--bg-soft);
  border-radius:16px;
  padding:36px;
  height:100%;
}
.about-card i{font-size:1.8rem;color:var(--accent);margin-bottom:14px;}
.about-card h4{font-weight:700;color:var(--navy);margin-bottom:12px;}
.about-card p{color:var(--muted);margin-bottom:0;}

/* ===== CONTACT ===== */
.contact-section{background:var(--bg-soft);}
.contact-section h2{font-weight:800;color:var(--navy);}
.contact-form .form-control{
  border-radius:10px;
  border:1px solid #dbe3ea;
  padding:14px 16px;
}
.contact-form .form-control:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(0,180,216,0.15);
}
.social-links a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:50%;
  background:#fff;
  color:var(--navy);
  margin-right:10px;
  box-shadow:0 4px 12px rgba(13,27,42,0.08);
}
.social-links a:hover{background:var(--accent);color:#fff;}
#msg{display:block;margin-top:12px;color:var(--navy-light);font-weight:600;}

/* ===== FOOTER ===== */
.footer{
  background:var(--navy-deep);
  color:#9fb3c4;
  padding:32px 0;
  font-size:.9rem;
}