/* Sticky footer base */
html, body {
  height: 100%;
}
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--charcoal);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}
main {
  flex: 1;
}

/* Theme colors */
:root{
  --blue: #1E3A8A;
  --charcoal: #2B2B2B;
  --silver: #C0C0C0;
  --white: #FFFFFF;
  --muted: #6b7280;
  --max-width: 1100px;
  --radius: 10px;
  --container-pad: 20px;
}

*{box-sizing:border-box}
.container{width:90%;max-width:var(--max-width);margin:0 auto;padding:0 var(--container-pad)}

/* HEADER */
.site-header{
  background:var(--white);
  border-bottom:1px solid #eee;
  position:sticky;
  top:0;
  z-index:50;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:12px;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{height:85px;width:85px;flex:0 0 85px}
.logo img{height:70px;width:70px;object-fit:contain}
.company-name{font-weight:700;color:var(--charcoal);font-size:1.05rem}
.tagline{font-size:0.85rem;color:var(--muted)}

/* NAV */
#nav-toggle{display:none;background:transparent;border:0;font-size:22px}
.site-nav{display:flex;gap:18px;align-items:center;position:relative}
.site-nav .nav-link{
  color:var(--charcoal);
  text-decoration:none;
  padding:8px 6px;
  border-radius:6px;
  font-weight:600;
  font-size:0.95rem;
  transition:color .25s ease;
}

/* Nav hover effect */
.site-nav .nav-link:hover{
  color:var(--blue);
  transform:translateY(-2px);
}

/* Active state */
.site-nav .nav-link.active{
  color:var(--blue);
  background:rgba(23, 82, 193, 0.06);
}

/* HERO */
.hero{
  display:grid;
  grid-template-columns:1fr 540px;
  gap:40px;
  align-items:center;
  padding:40px 0;
}
.hero-content h1{
  font-size:2rem;
  color:var(--charcoal);
  margin-bottom:12px;
  line-height:1.05;
}
.lead{
  color:var(--muted);
  max-width:720px;
}
.hero-image img{
  width:100%;
  height:auto;
  border-radius:12px;
  box-shadow:0 10px 30px rgba(11,26,44,0.06);
  transition:transform .4s ease;
}
.hero-image img:hover{
  transform:scale(1.03);
}

/* Buttons */
.btn{
  display:inline-block;
  background:var(--blue);
  color:var(--white);
  padding:12px 22px;
  border-radius:8px;
  text-decoration:none;
  font-weight:700;
  border:0;
  cursor:pointer;
  transition:all .25s ease;
}
.btn.outline{
  background:transparent;
  border:2px solid var(--silver);
  color:var(--charcoal);
}
.btn:hover{
  transform:translateY(-4px);
  box-shadow:0 6px 18px rgba(11,26,44,0.15);
}

/* SECTIONS */
.page-section{
  padding:60px 0;
  display:none;
  opacity:0;
  transform:translateY(12px);
  transition:opacity .45s ease,transform .45s ease;
}
.page-section.active{
  display:block;
  opacity:1;
  transform:none;
}

/* Titles */
h2{
  color:var(--blue);
  text-align:left;
  font-size:1.6rem;
  margin-bottom:14px;
}
p{margin:0 0 16px 0}

/* SERVICES */
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:20px;
}
.service-card{
  background:var(--white);
  border:1px solid #f0f0f0;
  padding:22px;
  border-radius:12px;
  box-shadow:0 6px 20px rgba(11,26,44,0.03);
  transition:all .35s ease;
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:0 10px 28px rgba(11,26,44,0.08);
  border-color:var(--blue);
}

/* PORTFOLIO */
.portfolio-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:18px;
}
.portfolio-item{
  background:var(--white);
  border-radius:10px;
  padding:12px;
  border:1px solid #eee;
  overflow:hidden;
  cursor:pointer;
  transition:all .35s ease;
}
.portfolio-item:hover{
  transform:translateY(-5px);
  border-color:var(--blue);
  box-shadow:0 10px 28px rgba(11,26,44,0.08);
}
.portfolio-item img{
  width:100%;
  height:160px;
  object-fit:cover;
  border-radius:8px;
  transition:transform .4s ease;
}
.portfolio-item:hover img{
  transform:scale(1.08);
}

/* CONTACT */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:28px;
  align-items:start;
}
.contact-info p{
  margin:8px 0;
  color:var(--charcoal);
}
.contact-form-wrap{
  background:var(--white);
  border-radius:10px;
  padding:14px;
  border:1px solid #eee;
  transition:box-shadow .35s ease;
}
.contact-form-wrap:hover{
  box-shadow:0 10px 25px rgba(11,26,44,0.07);
}

/* FORM INPUTS */
input[type="text"],input[type="email"],textarea{
  width:100%;
  padding:10px;
  border-radius:8px;
  border:1px solid #d6d6d6;
  margin-top:8px;
  font-size:15px;
  transition:border .25s ease,box-shadow .25s ease;
}
input:focus, textarea:focus{
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(30,58,138,0.15);
  outline:none;
}
button[type="submit"]{margin-top:10px}

/* CORE VALUES */
.values-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:20px;
}
.value-card{
  background:var(--white);
  padding:22px;
  border-radius:12px;
  border:1px solid #e6e6e6;
  text-align:center;
  box-shadow:0 6px 20px rgba(11,26,44,0.03);
  transition:all .35s ease;
}
.value-card:hover{
  transform:translateY(-6px);
  box-shadow:0 10px 28px rgba(11,26,44,0.08);
  border-color:var(--blue);
}
.value-card h3{
  color:var(--blue);
  margin-bottom:10px;
  font-size:1.2rem;
}
.value-card p{
  color:var(--muted);
  font-size:0.95rem;
}

/* FOOTER */
.site-footer{
  background:var(--charcoal);
  color:var(--white);
  padding:22px 0;
  margin-top:40px;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.footer-inner a{
  color:var(--silver);
  text-decoration:none;
  transition:color .25s ease;
}
.footer-inner a:hover{
  color:var(--white);
}

/* reveal animations */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .55s ease,transform .55s ease;
}
.reveal-visible{
  opacity:1;
  transform:none;
}

/* Modal */
#portfolio-modal .modal-card img{
  max-height:520px;
}

/* Form status */
#form-status{font-size:0.95rem;padding:6px 0}
#form-status.success{color:green}
#form-status.error{color:crimson}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero{grid-template-columns:1fr 360px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .values-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:768px){
  .header-inner{flex-direction:column;align-items:flex-start;gap:8px}
  #nav-toggle{display:block}
  .site-nav{display:none;flex-direction:column;width:100%;gap:12px;margin-top:8px}
  .hero{grid-template-columns:1fr;gap:18px;padding:24px 0}
  .hero-image img{height:220px;object-fit:cover}
  .service-grid{grid-template-columns:1fr}
  .portfolio-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .values-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:8px;text-align:center}
}

@media (max-width:480px){
  .company-name{font-size:1rem}
  .tagline{font-size:0.8rem}
  .hero-content h1{font-size:1.4rem}
}