/* /assets/css/layout.css */
/* Header, nav, containers, page spacing */

.container{
  max-width:var(--container);
  margin-inline:auto;
  padding-inline: clamp(1rem, 3vw, 1.5rem);
}

.section{
  padding-block: clamp(1.25rem, 3vw, 2rem);
}

.section-head{
  margin-bottom: 1.25rem;
}
.section-head .kicker{
  display:inline-flex;
  gap:.5rem;
  align-items:center;
  font-size: var(--fs-0);
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .5rem;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background: rgba(246, 248, 251, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 1rem;
  min-height: 72px;
}

/* Brand */
.brand{
  display:flex;
  align-items:center;
  gap:.75rem;
  text-decoration:none;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius: 12px;
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(37,99,235,.18), transparent 55%),
    linear-gradient(135deg, #0f172a, #1f2937);
  box-shadow: 0 10px 25px rgba(2,6,23,.18);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand-text strong{
  font-size: 1rem;
  letter-spacing:-.01em;
}
.brand-sub{
  font-size: .85rem;
  color: var(--muted);
}

/* Nav */
.site-nav{
  display:flex;
  align-items:center;
  gap: .25rem;
}
.site-nav a{
  padding:.55rem .75rem;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--text);
  font-weight: 600;
  font-size: .95rem;
}
.site-nav a:hover{
  background: var(--surface);
  border-color: var(--line);
  text-decoration:none;
}
.site-nav a.is-active{
  background: rgba(37,99,235,.08);
  border-color: rgba(37,99,235,.22);
  color: var(--brand);
}
.site-nav .nav-cta{
  background: var(--brand);
  color: #fff;
  border-color: transparent;
}
.site-nav .nav-cta:hover{
  background:#111827;
}

/* Mobile nav toggle */
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor:pointer;
}
.nav-toggle-lines{
  width:18px;height:14px; position:relative;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content:"";
  position:absolute; left:0; right:0;
  height:2px; border-radius:2px;
  background: var(--text);
}
.nav-toggle-lines::before{ top:2px; }
.nav-toggle-lines::after{ bottom:2px; }

/* Mobile behavior */
@media (max-width: 920px){
  .nav-toggle{ display:flex; }
  .site-nav{
    position: absolute;
    right: 1rem;
    top: 72px;
    width: min(92vw, 420px);
    display:none;
    flex-direction: column;
    align-items: stretch;
    padding: .75rem;
    border-radius: 16px;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-2);
  }
  .site-nav.is-open{ display:flex; }
  .site-nav a{ width:100%; }
}

/* Footer (simple, clean) */
.site-footer{
  border-top: 1px solid var(--line);
  background: var(--surface);
}
.footer-inner{
  display:flex;
  flex-wrap:wrap;
  gap: 1rem;
  align-items:center;
  justify-content:space-between;
  padding-block: 1.25rem;
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem;
}
.footer-links a{
  color: var(--muted);
}
.footer-links a:hover{
  color: var(--text);
  text-decoration:none;
}