/* Coredev styles (moved to css/styles.css) */
:root{
  --top-bg: #0b1b2b;
  --top-text: #ffffff;
}

body{
  margin: 0;
  font-family: "Segoe UI", system-ui, Arial, Helvetica, sans-serif;
  background: #f5f7fa;
  color: #111;
}

.topbar{
  position: fixed;
  inset: 0 0 auto 0;
  height: 60px;
  display: flex;
  align-items: center;
  background: var(--top-bg);
  color: var(--top-text);
  box-shadow: 0 2px 6px rgba(2,6,23,0.15);
  z-index: 100;
}

.topbar .inner{
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand{
  font-weight: 700;
  font-size: 1.125rem;
}

/* Menu button (mobile) */
.menu-btn{
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  padding: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--top-text);
}

.hamburger{
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  display: inline-block;
}
.hamburger::before,
.hamburger::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
}
.hamburger::before{ top: -6px }
.hamburger::after{ top: 6px }

/* Top nav (dropdown on mobile, inline on larger screens) */
.topnav{
  display: none;
  position: absolute;
  top: 64px;
  right: 20px;
  background: #fff;
  color: #111;
  box-shadow: 0 6px 18px rgba(2,6,23,0.12);
  border-radius: 8px;
  padding: 8px 8px;
  min-width: 160px;
  z-index: 110;
}
.topnav a{
  display: block;
  padding: 8px 12px;
  color: inherit;
  text-decoration: none;
  border-radius: 4px;
}
.topnav a:hover{ background: #f1f5f9 }
.topnav.open{ display: block }

/* Desktop layout: show nav inline and hide menu button */
@media (min-width: 700px){
  .menu-btn{ display: none }
  .topnav{
    display: flex;
    position: static;
    background: transparent;
    box-shadow: none;
    padding: 0;
    min-width: 0;
    gap: 14px;
    margin-left: auto;
    align-items: center;
  }
  .topnav a{ display: inline-block; padding: 6px 0; color: var(--top-text) }
}

main.container{
  max-width: 1100px;
  margin: 100px auto 40px;
  padding: 20px;
}

footer{
  padding: 16px;
  text-align: center;
  color: #666;
}

@media (max-width: 600px){
  .brand{font-size:1rem}
  .topbar{height:56px}
}

/* Centered hero image */
.hero-wrap{display:flex;align-items:center;justify-content:center;margin:28px 0}
.hero-img{display:block;max-width:520px;width:80%;height:auto;border-radius:8px;box-shadow:0 8px 20px rgba(2,6,23,0.08)}

/* Language selector */
.lang-select{margin-left:12px;background:transparent;border:1px solid rgba(255,255,255,0.12);color:var(--top-text);padding:6px 8px;border-radius:6px;font-weight:600} 
.lang-select option{color:#000}