:root{
  --primary:#376b8a;
  --primary-dark:#2e5670;
  --accent:#d7e9f2;
  --dark:#15333f;
  --light:#f8fafb;
  --font:'Inter',system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  --solid-blue-bg:#102a3f;
  --service-section-bg:#123145;
  --muted:rgba(255,255,255,0.85);
  --soft-card:rgba(255,255,255,0.06);
  --glass:rgba(255,255,255,0.04);
  --vibrant-green:#34a853;
  --vibrant-purple:#8b5cf6;
  --vibrant-orange:#f59e0b;
  --vibrant-red:#ef4444;
  --max-width:1100px;
  --radius-lg:12px;
  --radius-sm:8px;
  --gap:1.25rem;
  --ease:cubic-bezier(.2,.9,.3,1);
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family:var(--font);
  background:linear-gradient(180deg,var(--solid-blue-bg) 0%,#0b2434 100%);
  color:var(--muted);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
  overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
}

@media(prefers-reduced-motion:reduce){
  *{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
}

/* NAV --------------------------------------------------------------------------- */
nav.main-nav{
  position:sticky;
  top:0;
  z-index:1000;
  max-width:var(--max-width);
  margin:0 auto;
  padding:.75rem 1.25rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--gap);
  background:rgba(255,255,255,.85);
  color:var(--dark);
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
  box-shadow:0 6px 20px rgba(2,6,23,.12);
  backdrop-filter:blur(8px) saturate(140%);
  transition:background-color 300ms var(--ease),transform 300ms var(--ease),box-shadow 300ms var(--ease);
  transform:translateZ(0);
}

nav.main-nav.scrolled{
  background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(245,247,250,.98));
  box-shadow:0 10px 30px rgba(2,6,23,.16);
}

.nav-logo{
  display:flex;
  align-items:center;
  gap:.65rem;
  font-weight:800;
  color:var(--primary-dark);
  font-size:1.05rem;
  user-select:none;
}

.nav-logo-img{
  width:44px;
  height:44px;
  border-radius:50%;
  object-fit:cover;
  display:block;
  box-shadow:0 6px 18px rgba(2,6,23,.12);
  transition:transform 300ms var(--ease),box-shadow 300ms var(--ease);
}

.nav-logo-img:hover{
  transform:translateY(-3px) scale(1.02);
  box-shadow:0 14px 40px rgba(2,6,23,.18);
}

.nav-menu{display:flex;gap:1.75rem;align-items:center;}

.nav-menu a{
  color:var(--dark);
  text-decoration:none;
  font-weight:600;
  position:relative;
  padding:.25rem 0;
  transition:color 220ms var(--ease),transform 220ms var(--ease);
}

.nav-menu a:hover,
.nav-menu a:focus{
  color:var(--primary);
  transform:translateY(-3px);
}

.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  height:3px;
  width:0%;
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
  border-radius:3px;
  transition:width 300ms var(--ease);
}

.nav-menu a:hover::after,
.nav-menu a:focus::after{width:100%}

/* HERO --------------------------------------------------------------------------- */
header.hero{
  text-align:center;
  padding:4.5rem 1.25rem 5rem;
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:1.25rem;
  min-height:520px;
}

.hero-bg-text{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  color:rgba(255,255,255,.05);
  font-weight:900;
  font-size:6.5rem;
  letter-spacing:.04em;
  line-height:.85;
  white-space:nowrap;
  z-index:0;
  opacity:0;
  animation:fadeInScale 900ms 200ms var(--ease) forwards;
}

.hero-bg-text span{display:block;padding:0 0.2rem;}

.logo{
  width:180px;
  height:180px;
  object-fit:contain;
  margin:0 auto;
  padding:.6rem;
  border-radius:14px;
  background:#fff;
  box-shadow:0 18px 50px rgba(3,10,20,.25);
  transition:transform 400ms var(--ease),box-shadow 400ms var(--ease);
}

@media(prefers-reduced-motion:no-preference){
  .logo{animation:float 6s ease-in-out infinite;}
}

.logo:hover{
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 28px 70px rgba(3,10,20,.3);
}

h1{
  font-size:clamp(28px,4.6vw,56px);
  margin:0;
  color:#fff;
  font-weight:800;
  opacity:0;
  transform:translateY(10px);
  animation:fadeUp 700ms 350ms var(--ease) forwards;
}

p.tagline{
  font-size:clamp(15px,1.6vw,20px);
  color:rgba(255,255,255,.88);
  max-width:700px;
  margin:0 auto;
  font-weight:500;
  opacity:0;
  transform:translateY(10px);
  animation:fadeUp 700ms 450ms var(--ease) forwards;
}

.hero-cta{
  margin-top:1.25rem;
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
  color:#fff;
  padding:.7rem 1.25rem;
  border-radius:999px;
  font-weight:800;
  text-decoration:none;
  box-shadow:0 10px 30px rgba(22,50,70,.35);
  opacity:0;
  transform:translateY(6px);
  animation:fadeUp 700ms 600ms var(--ease) forwards;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}

.hero-cta:hover{
  transform:translateY(-4px) scale(1.03);
  box-shadow:0 18px 46px rgba(8,36,60,.4);
}

.hero-cta svg{
  width:18px;
  height:18px;
  transition:transform 260ms var(--ease);
}

.hero-cta:hover svg{transform:translateX(4px);}

/* SECTIONS ------------------------------------------------------------------------ */
section{
  padding:2.75rem 1.25rem;
  max-width:var(--max-width);
  margin:-2rem auto 3.5rem auto;
  background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(250,250,252,.98));
  color:var(--dark);
  border-radius:var(--radius-lg);
  box-shadow:0 12px 40px rgba(3,10,20,.08);
  animation:revealUp 650ms 100ms var(--ease) both;
}

section.services{
  background:linear-gradient(180deg,var(--service-section-bg),#0f3446);
  color:#f8fbff;
  box-shadow:0 20px 50px rgba(2,8,20,.22);
}

section.services h2{color:#fff;}

h2{
  font-size:clamp(20px,2.4vw,36px);
  margin:0 0 .75rem 0;
  text-align:center;
  font-weight:700;
  position:relative;
  color:var(--dark);
}

h2::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:-.6rem;
  width:64px;
  height:4px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
}

.services ul{
  list-style:none;
  padding:0;
  margin:2.25rem 0 0 0;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:1.75rem;
}

.services li{
  background:var(--soft-card);
  padding:1.75rem;
  border-radius:12px;
  box-shadow:0 8px 30px rgba(2,8,20,.14);
  display:flex;
  flex-direction:column;
  gap:1rem;
  transition:transform 320ms var(--ease),box-shadow 320ms var(--ease),background 320ms var(--ease);
}

.services li:hover{
  transform:translateY(-8px);
  box-shadow:0 26px 60px rgba(2,8,20,.18);
  background:rgba(255,255,255,.085);
}

.services li strong{
  font-size:1.12rem;
  color:var(--accent);
  font-weight:700;
}

.services li p{
  margin:0;
  color:rgba(255,255,255,.95);
  line-height:1.6;
  font-size:.98rem;
}

.service-link{
  margin-top:auto;
  padding:.55rem 1rem;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
  color:#fff;
  text-decoration:none;
  font-weight:700;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}

.service-link:hover{
  transform:translateY(-4px);
  box-shadow:0 8px 26px rgba(22,50,70,.28);
}

.services li:nth-child(1){border-top:4px solid var(--vibrant-green);}
.services li:nth-child(2){border-top:4px solid var(--vibrant-purple);}
.services li:nth-child(3){border-top:4px solid var(--vibrant-orange);}
.services li:nth-child(4){border-top:4px solid var(--vibrant-red);}

/* CONTACT ------------------------------------------------------------------------ */
.contact{padding-top:3.25rem;padding-bottom:3.25rem;}

.contact form{
  max-width:560px;
  margin:0 auto;
  background:#fff;
  border-radius:12px;
  padding:2.25rem;
  box-shadow:0 16px 50px rgba(3,10,20,.12);
  display:flex;
  flex-direction:column;
  gap:1rem;
}

.contact label{
  font-weight:700;
  color:var(--dark);
  font-size:.95rem;
}

.contact input,
.contact select{
  width:100%;
  padding:.8rem 1rem;
  border-radius:8px;
  border:1px solid #e6eef6;
  background:#fbfdff;
  color:var(--dark);
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}

.contact input:focus,
.contact select:focus{
  border-color:var(--primary);
  box-shadow:0 6px 20px rgba(55,107,138,.12);
  outline:none;
}

.contact input::placeholder{color:#9aa6b1;}

.contact button{
  align-self:center;
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
  color:#fff;
  padding:.85rem 1.5rem;
  border-radius:999px;
  font-weight:800;
  border:none;
  cursor:pointer;
  box-shadow:0 10px 30px rgba(22,50,70,.18);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}

.contact button:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 46px rgba(8,36,60,.36);
}

.contact button:disabled{
  opacity:.65;
  cursor:not-allowed;
}

.form-status{
  margin-top:.6rem;
  padding:.6rem .9rem;
  border-radius:8px;
  font-weight:600;
}

.status-info{background:#f0f7fb;color:#0b3b52;}
.status-success{background:rgba(52,168,83,.14);color:#1f5e33;}
.status-error{background:rgba(239,68,68,.12);color:#6f1414;}

.contact-info{
  text-align:center;
  margin-top:1.25rem;
  color:rgba(255,255,255,.9);
  font-weight:600;
}

/* FOOTER ------------------------------------------------------------------------- */
footer{
  text-align:center;
  padding:2rem 1rem;
  color:rgba(255,255,255,.78);
  background:transparent;
  font-size:.92rem;
}

/* ACCESSIBILITY FOCUS ----------------------------------------------------------- */
a:focus-visible,
button:focus-visible,
.service-link:focus-visible,
.nav-menu a:focus-visible{
  outline:3px solid rgba(55,107,138,.18);
  outline-offset:3px;
  box-shadow:0 6px 20px rgba(55,107,138,.08);
  border-radius:8px;
}

/* LINKS ------------------------------------------------------------------------- */
a{color:var(--primary);text-decoration:none;transition:color 200ms var(--ease);}
a:hover{text-decoration:underline;color:var(--primary-dark);}

/* RESPONSIVE -------------------------------------------------------------------- */
@media(max-width:900px){
  .hero-bg-text{font-size:4rem;transform:translate(-50%,-52%);}
  .logo{width:140px;height:140px;padding:.5rem;}
  nav.main-nav{padding:.6rem 1rem;background:rgba(255,255,255,.90);}
  section{margin:-1.5rem auto 2.5rem auto;padding:1.75rem 1rem;}
}

@media(max-width:520px){
  .hero-bg-text{display:none;}
  .nav-menu{display:none;}
  .services ul{gap:1rem;}
  .logo{width:120px;height:120px;}
  .hero{padding:2.25rem .75rem 3rem;min-height:380px;}
  .logo{box-shadow:0 10px 28px rgba(3,10,20,.18);}
  .services li{box-shadow:0 6px 22px rgba(2,8,20,.10);}
  section{box-shadow:0 8px 26px rgba(3,10,20,.06);}
}

/* ANIMATIONS -------------------------------------------------------------------- */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(10px);}
  to{opacity:1;transform:translateY(0);}
}

@keyframes fadeInScale{
  from{opacity:0;transform:translate(-50%,-50%) scale(.98);}
  to{opacity:1;transform:translate(-50%,-50%) scale(1);}
}

@keyframes float{
  0%{transform:translateY(0);}
  50%{transform:translateY(-4px);}
  100%{transform:translateY(0);}
}

@keyframes revealUp{
  from{opacity:0;transform:translateY(10px) scale(.995);}
  to{opacity:1;transform:translateY(0) scale(1);}
}