:root { 
  --navy:#0b1d2a; 
  --gold:#d4b46c; 
  --light:#ffffff; 
  --slate:#6c7a89; 
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Inter',sans-serif;
  color:var(--light);
}  

body{
  background:var(--navy);
  line-height:1.6;
  position:relative;
}

a{
  text-decoration:none;
}

/* NAV */
header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  padding:1rem 2rem;
  background:rgba(11,29,42,.85);
  backdrop-filter:blur(4px);
  display:flex;
  justify-content:space-between;
  align-items:center;
  z-index:100;
}

.logo-wrapper{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:1.25rem;
  letter-spacing:1px;
  text-transform:uppercase;
}

.logo-wrapper img{
  height:34px;
  width:auto;
}

#nav-toggle{
  display:none;
}

.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  z-index:101;
}

.hamburger span{
  width:26px;
  height:3px;
  background:var(--gold);
  border-radius:3px;
}

nav ul{
  display:flex;
  gap:1.5rem;
  list-style:none;
  font-weight:600;
  font-size:.95rem;
}

nav a:hover{
  color:var(--gold);
}  

@media(max-width:768px){
  .hamburger{
    display:flex;
  }
  nav ul{
    position:fixed;
    top:70px;
    right:0;
    width:220px;
    flex-direction:column;
    align-items:center;
    gap:2rem;
    background:rgba(11,29,42,.95);
    padding:2rem 1rem;
    transform:translateX(100%);
    transition:transform .3s ease;
  }
  #nav-toggle:checked+label+nav ul{
    transform:translateX(0);
  }  
}

/* HERO */
.hero{
  margin-top:80px;
  position:relative;
  padding:5rem 2rem 7rem;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  background:url('assets/hero_background.jpg') center/cover no-repeat;
}

@media(min-width:769px){
  .hero{
    background-position:bottom center;
  }
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(11,29,42,.55);
}  

.hero-content{
  max-width:540px;
  position:relative;
  z-index:1;
}

.hero h1{
  font-size:2.7rem;
  font-weight:700;
  margin-bottom:1.2rem;
  line-height:1.2;
  color:var(--light);
}  

.hero p{
  font-size:1.15rem;
  margin-bottom:2rem;
}

.cta{
  display:inline-block;
  background:var(--gold);
  color:var(--navy);
  padding:.9rem 2.2rem;
  border-radius:4px;
  font-weight:600;
  transition:opacity .3s;
}  

.cta:hover{
  opacity:.85;
}

/* SECTIONS */
section{
  padding:4rem 2rem;
}

section h2{
  font-size:2rem;
  color:var(--light);
  margin-bottom:1.5rem;
  text-transform:uppercase;
  text-align:center;
}

.about,.features,.demo,.contact{
  max-width:1000px;
  margin:0 auto;
}

/* FEATURES */
.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:2rem;
}

.feature-card{
  background:rgba(255,255,255,.05);
  padding:1.8rem;
  border-radius:8px;
  border:1px solid rgba(212,180,108,.15);
  text-align:center;
}

.feature-card h3{
  font-size:1.1rem;
  color:var(--gold);
  margin-bottom:.6rem;
  text-transform:uppercase;
}

.feature-card p{
  font-size:.9rem;
}

/* DEMO */
.video-wrapper{
  position:relative;
  padding-bottom:56.25%;
  height:0;
  overflow:hidden;
  border-radius:10px;
  box-shadow:0 10px 25px rgba(0,0,0,.45);
}  

.video-wrapper iframe{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
}

/* CONTACT */
.contact form input,.contact form textarea{
  width:100%;
  padding:.8rem;
  border:none;
  border-radius:4px;
  margin-bottom:1rem;
  background:#102334;
  color:var(--light);
}  

.contact form button{
  background:var(--gold);
  color:var(--navy);
  padding:.8rem 2rem;
  border:none;
  border-radius:4px;
  font-weight:600;
  cursor:pointer;
}

/* DEMO PASSWORD GATE */
.demo-content.is-locked{
  display:none;
}

.password-modal{
  position:fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:2rem;
  background:rgba(11,29,42,.92);
  backdrop-filter:blur(6px);
  z-index:200;
}

.password-modal.hidden{
  display:none;
}

.password-modal__form{
  width:min(100%,360px);
  background:rgba(7,19,29,.95);
  padding:2.5rem 2rem;
  border-radius:8px;
  display:flex;
  flex-direction:column;
  gap:1rem;
  border:1px solid rgba(212,180,108,.35);
  box-shadow:0 15px 35px rgba(0,0,0,.45);
}

.password-modal__form h2{
  font-size:1.35rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.05em;
}

.password-modal__form p{
  line-height:1.4;
  color:rgba(255,255,255,.85);
}

.password-modal__label{
  font-weight:600;
  letter-spacing:.03em;
}

.password-modal__form input{
  padding:.75rem;
  border-radius:4px;
  border:1px solid rgba(212,180,108,.4);
  background:rgba(16,35,52,.85);
  color:var(--light);
}

.password-modal__form input:focus{
  outline:2px solid var(--gold);
  outline-offset:2px;
}

.password-modal__error{
  color:#f87171;
}

.password-modal__form button{
  background:var(--gold);
  color:var(--navy);
  padding:.85rem;
  border:none;
  border-radius:4px;
  font-weight:600;
  cursor:pointer;
  transition:opacity .3s ease;
}

.password-modal__form button:hover{
  opacity:.85;
}

/* FOOTER */
footer{
  background:#07131d;
  padding:1.5rem;
  text-align:center;
  font-size:.8rem;
  color:var(--slate);
  position:relative;
}

footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('assets/pattern_background.jpg') center/cover no-repeat;
  opacity:0.12;
  pointer-events:none;
  z-index:-1;
}

footer .social{
  margin-bottom:.8rem;
}  

footer .social a{
  display:inline-block;
  margin:0 .4rem;
}  

footer .social svg{
  width:22px;
  height:22px;
  fill:var(--gold);
  transition:fill .3s;
}  

footer .social a:hover svg{
  fill:var(--light);
}