/* Reset */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,sans-serif;
  line-height:1.6;color:#1a1a1a;background:#fff;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
/* HERO */
.hero{
  position:relative;
  min-height:100vh;
  width:100%;
  /* Replace this URL with your own image */
  background:linear-gradient(rgba(0,0,0,.45),rgba(0,0,0,.55)),
    url('pictures/large_background.jpg') center/cover no-repeat;
  color:#fff;
  display:flex;
  flex-direction:column;
}
/* NAV */
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:1.5rem 2.5rem;
  position:relative;z-index:10;
}
.logo{
    display:flex;
    align-items:center;
    gap:.6rem;
    font-weight:700;
    font-size:1.15rem;
    letter-spacing:.5px;
}
.logo_picture{
    /* height:5vh; 
    width: 5vh; */
    display:flex;
    align-items:center;
    gap:.6rem;
    font-weight:700;
    font-size:1.15rem;
    letter-spacing:.5px;
    /* background: url('pictures/small_logo.png') center/cover no-repeat; */
}
.menu{display:flex;gap:2rem;list-style:none}
.menu a{font-size:.95rem;opacity:.9;transition:opacity .2s}
.menu a:hover{opacity:1;text-decoration:underline}
.menu-toggle{
  display:none;background:none;border:0;cursor:pointer;
  flex-direction:column;gap:5px;padding:6px;
}
.menu-toggle span{width:24px;height:2px;background:#fff;display:block}
/* HERO CONTENT */
.hero-content{
  flex:1;
  display:flex;align-items:center;justify-content:center;
  padding:2rem;
}
.text-box{
  max-width:680px;text-align:center;
}
.text-box h1{
  font-size:clamp(2.2rem,5vw,3.5rem);
  font-weight:700;margin-bottom:1.25rem;letter-spacing:-.5px;
}
.text-box p{font-size:1.1rem;line-height:1.7;opacity:.95}
/* WHITE SECTION */
.white-section{
  background:#fff;padding:6rem 2.5rem;
}
.left-block{
  max-width:1100px;margin:0 auto;
  text-align:left;
  max-width:640px;margin-left:max(2.5rem,8vw);
}
.left-block h2{font-size:2rem;margin-bottom:1rem;letter-spacing:-.3px}
.left-block p{color:#444;font-size:1.05rem}
.left-block code{background:#f3f3f3;padding:.1rem .35rem;border-radius:4px;font-size:.95em}
/* DARK SECTION */
.dark-section{
  background:#111;color:#e6e6e6;
  padding:4rem 2.5rem 2rem;
}
.footer-grid{
  max-width:1100px;margin:0 auto;
  display:grid;gap:2.5rem;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
}
.dark-section h3{font-size:1.3rem;margin-bottom:.75rem}
.dark-section h4{font-size:1rem;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:1px;color:#fff}
.dark-section p{margin-bottom:.4rem;font-size:.95rem}
.dark-section a:hover{text-decoration:underline}
.muted{color:#888;font-size:.85rem}
.footer-bottom{
  max-width:1100px;margin:3rem auto 0;
  border-top:1px solid #2a2a2a;padding-top:1.25rem;
  font-size:.85rem;color:#888;text-align:center;
}
/* MOBILE */
@media (max-width:640px){
  .nav{padding:1.2rem 1.25rem}
  .menu-toggle{display:flex}
  .menu{
    position:absolute;top:100%;right:1.25rem;
    flex-direction:column;gap:1rem;
    background:rgba(0,0,0,.85);padding:1.25rem 1.5rem;border-radius:8px;
    display:none;
  }
  .menu.open{display:flex}
  .white-section,.dark-section{padding-left:1.25rem;padding-right:1.25rem}
  .left-block{margin-left:0}
}