/* =========================================================
   Cardinal Technologies – Full Stylesheet
   Modern, enterprise, DoD-adjacent one-pager
   ========================================================= */

/* ===== Brand palette (matched to logo) ===== */
:root{
  --bg0:#011228;
  --bg1:#043257;
  --card:#071b33;
  --ink:#EAF6FF;
  --muted:rgba(234,246,255,.72);
  --muted2:rgba(234,246,255,.55);
  --line:rgba(142,203,229,.18);
  --accent:#68ACCE;
  --accent2:#8ECBE5;
  --shadow: 0 20px 50px rgba(0,0,0,.35);
  --radius: 18px;
}

/* ===== Reset / base ===== */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(104,172,206,.25), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(142,203,229,.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), #000814 70%);
}

.container{
  width:min(1120px, 100%);
  margin:0 auto;
  padding:0 18px;
}

/* =========================================================
   NAVIGATION
   ========================================================= */
.nav{
  position: sticky;
  top:0;
  z-index:40;
  backdrop-filter: blur(14px);
  background: rgba(1,18,40,.55);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  text-decoration:none;
  color:var(--ink);
  min-width: 240px;
}
.brand-logo{
  width: clamp(56px, 4.8vw, 72px);
  height: clamp(56px, 4.8vw, 72px);
  border-radius: 18px;
  object-fit: cover;
  border:1px solid var(--line);
  box-shadow: 0 10px 25px rgba(0,0,0,.25);
  background: rgba(1,18,40,.35);
}
.brand-name{
  font-weight:900;
  letter-spacing:-.02em;
}
.brand-sub{
  font-size:12px;
  color:var(--muted2);
  margin-top:2px;
}

.nav-links{
  display:flex;
  align-items:center;
  gap: 14px;
}
.nav-links a{
  color:var(--muted);
  text-decoration:none;
  font-weight:700;
  font-size:14px;
  padding:10px 12px;
  border-radius: 14px;
  transition: .2s ease;
}
.nav-links a:hover{
  color:var(--ink);
  background: rgba(142,203,229,.08);
}

.nav-menu{
  display:none;
  width:44px;
  height:44px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(142,203,229,.06);
  cursor:pointer;
}
.nav-menu span{
  display:block;
  height:2px;
  width:18px;
  background: var(--accent2);
  margin: 5px auto;
  border-radius: 999px;
}

.mobile-menu{
  border-top:1px solid var(--line);
  background: rgba(1,18,40,.70);
}
.mobile-menu-inner{
  display:grid;
  gap:10px;
  padding: 14px 0 18px;
}
.mobile-menu-inner a{
  text-decoration:none;
  color:var(--muted);
  padding:12px 14px;
  border-radius: 16px;
  border:1px solid var(--line);
  background: rgba(142,203,229,.06);
}

/* =========================================================
   BUTTONS / BADGES
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: 16px;
  font-weight:900;
  text-decoration:none;
  border:1px solid var(--line);
  transition: .2s ease;
  cursor:pointer;
}
.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #00101f;
  border-color: rgba(142,203,229,.35);
}
.btn-primary:hover{ transform: translateY(-1px); }
.btn-ghost{
  background: rgba(142,203,229,.06);
  color: var(--ink);
}
.btn-ghost:hover{
  background: rgba(142,203,229,.10);
}

.badge{
  border:1px solid var(--line);
  background: rgba(142,203,229,.06);
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-weight:800;
  font-size: 12px;
}

/* =========================================================
   HERO SECTION (SPACED OUT)
   ========================================================= */
.hero{
  position: relative;
  padding: 120px 0 70px;   /* taller hero */
  overflow: clip;
}

/* Large logo behind hero */
.hero-logo-layer{
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: grid;
  place-items: center;
}
.hero-logo{
  position: sticky;
  top: 100px;
  width: min(760px, 92vw);
  opacity: 0.15;
  filter: saturate(1.05) contrast(1.05);
}

/* Hero layout */
.hero-grid{
  position: relative;
  z-index: 1;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 26px;
  align-items: stretch;
}

/* Hero copy spacing */
.hero-copy{
  display:flex;
  flex-direction: column;
  gap: 26px;   /* MAIN vertical spacing improvement */
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 16px;
  border:1px solid var(--line);
  background: rgba(142,203,229,.06);
  border-radius: 999px;
  color: var(--muted);
  font-weight:800;
  font-size:13px;
}
.dot{
  width:8px;
  height:8px;
  border-radius:999px;
  background: var(--accent2);
  box-shadow: 0 0 0 4px rgba(142,203,229,.12);
}

.hero h1{
  margin: 12px 0 0;
  font-size: clamp(36px, 4.8vw, 58px);
  letter-spacing:-.03em;
  line-height:1.05;
}
.accent{ color: var(--accent2); }

.lead{
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
  max-width: 70ch;
}

.hero-cta{
  display:flex;
  gap: 14px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.hero-metrics{
  margin-top: 34px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.metric{
  border:1px solid var(--line);
  background: rgba(142,203,229,.06);
  border-radius: var(--radius);
  padding: 14px;
}
.metric-value{
  font-weight:900;
  color: var(--accent2);
  letter-spacing:.08em;
}
.metric-label{
  margin-top:6px;
  color: var(--muted2);
  font-size: 12px;
}

/* Hero card */
.hero-card .glass{
  border-radius: 26px;
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(142,203,229,.10), rgba(4,50,87,.18));
  box-shadow: var(--shadow);
  padding: 20px;
  height: 100%;
}
.glass-title{
  font-weight:900;
  letter-spacing:-.02em;
  margin-bottom: 14px;
}
.glass-foot{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

/* =========================================================
   SECTIONS
   ========================================================= */
.section{
  padding: 88px 0;
}
.section-alt{
  background: linear-gradient(180deg, rgba(4,50,87,.35), rgba(1,18,40,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.section-head h2{
  margin:0;
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing:-.02em;
}
.section-head p{
  margin:12px 0 0;
  color:var(--muted);
  max-width: 72ch;
}

/* First section covers hero logo */
.section-cover{
  position: relative;
  z-index: 3;
  margin-top: -28px;
  padding-top: 104px;
  border-top-left-radius: 28px;
  border-top-right-radius: 28px;
  background: rgba(1,18,40,.92);
  box-shadow: 0 -12px 30px rgba(0,0,0,.25);
  border-top: 1px solid var(--line);
}

.section,
.section-alt,
.footer{
  position: relative;
  z-index: 3;
}

/* =========================================================
   GRIDS / CARDS
   ========================================================= */
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}
.grid-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.card{
  border:1px solid var(--line);
  background: rgba(7,27,51,.72);
  border-radius: 26px;
  padding: 20px;
  box-shadow: 0 12px 35px rgba(0,0,0,.22);
}
.card-top{
  display:flex;
  align-items:center;
  gap: 14px;
}
.icon{
  width:46px;
  height:46px;
  border-radius: 16px;
  display:grid;
  place-items:center;
  font-weight:900;
  color:#00101f;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
.card h3{ margin:0; letter-spacing:-.02em; }
.card p{ color: var(--muted); line-height:1.6; margin: 14px 0 0; }

.bullets{
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.bullets li{ margin: 8px 0; }

/* =========================================================
   TIMELINE
   ========================================================= */
.timeline{
  margin-top: 28px;
  display:grid;
  gap: 16px;
}
.step{
  display:flex;
  gap: 16px;
  align-items:flex-start;
  border:1px solid var(--line);
  background: rgba(142,203,229,.06);
  border-radius: 26px;
  padding: 18px;
}
.step-num{
  width:44px;
  height:44px;
  border-radius: 16px;
  display:grid;
  place-items:center;
  font-weight:900;
  color:#00101f;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
.step-body h3{ margin:0; }
.step-body p{ margin: 10px 0 0; color: var(--muted); }

/* =========================================================
   CONTACT / FORM
   ========================================================= */
.contact{
  display:grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 20px;
  align-items:start;
}
.contact p{ color: var(--muted); }
.contact-badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 14px;
}

.form{
  border:1px solid var(--line);
  background: rgba(7,27,51,.72);
  border-radius: 26px;
  padding: 22px;
  box-shadow: 0 12px 35px rgba(0,0,0,.22);
}
.form label{
  display:block;
  font-weight:900;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.form input,
.form textarea{
  width:100%;
  margin-top: 8px;
  padding: 14px;
  border-radius: 16px;
  border:1px solid rgba(142,203,229,.22);
  background: rgba(1,18,40,.55);
  color: var(--ink);
}
.form-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{
  border-top:1px solid var(--line);
  background: rgba(1,18,40,.70);
  padding: 26px 0;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-logo{
  width:56px;
  height:56px;
  border-radius: 18px;
  object-fit:cover;
  border:1px solid var(--line);
}
.footer-title{ font-weight:900; }
.footer-sub{ color: var(--muted2); font-size:12px; }

/* =========================================================
   SKELETON SHIMMER
   ========================================================= */
.skeleton{
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  background: rgba(142,203,229,.10);
  border: 1px solid rgba(142,203,229,.14);
}
.skeleton::after{
  content:"";
  position:absolute;
  inset:-60% -40%;
  background: linear-gradient(90deg, transparent, rgba(142,203,229,.18), transparent);
  transform: translateX(-40%);
  animation: shimmer 1.35s infinite;
}
@keyframes shimmer{
  0% { transform: translateX(-55%); }
  100% { transform: translateX(55%); }
}
.skeleton-row{ height: 14px; margin: 12px 0; }
.skeleton-line{ height: 12px; margin: 10px 0; }

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal{
  opacity:0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in-view{
  opacity:1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
}
@media (max-width: 860px){
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .nav-links{ display:none; }
  .nav-menu{ display:block; }
}
@media (max-width: 540px){
  .form-row{ grid-template-columns: 1fr; }
  .brand-sub{ display:none; }
}