/* ============================================================
   THE SIGNAL — Rocket Lab-Style Drawer (hamburger only)
   Font: Barlow Condensed | Black bg | Off-white text | Signal blue
   ============================================================ */

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.drawer-overlay.open { opacity: 1; visibility: visible; }

.drawer {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 100%;
  max-width: 420px;
  background: #000;
  z-index: 1001;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.drawer.open { transform: translateX(0); }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid rgba(229, 229, 229, 0.15);
  min-height: 80px;
}
.drawer-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 16px;
  line-height: 1;
  display: flex;
  flex-direction: column;
  text-decoration: none;
}
.drawer-logo .the {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 10px;
  letter-spacing: 0.25em;
  line-height: 1.1;
}
.drawer-logo .signal {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 20px;
  letter-spacing: 0.05em;
  line-height: 1;
}
.drawer-logo-img, .drawer-logo-text { display: none !important; }
.drawer-close {
  background: none;
  border: none;
  cursor: pointer;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3b82f6;
  font-size: 24px;
  font-weight: 300;
  transition: opacity 0.15s ease;
  padding: 0;
  line-height: 1;
}
.drawer-close:hover { opacity: 0.6; }

.drawer-body {
  flex: 1;
  position: relative;
  overflow: hidden;
}
.drawer-main,
.drawer-sub {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.drawer-main { transform: translateX(0); }
.drawer-sub { transform: translateX(100%); }
.drawer-main.hidden { transform: translateX(-100%); }
.drawer-sub.active { transform: translateX(0); }

.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  border-bottom: 1px solid rgba(229, 229, 229, 0.15);
  cursor: pointer;
  text-decoration: none;
  color: #e5e5e5;
  transition: opacity 0.15s ease;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.drawer-link:hover { opacity: 0.6; }
.drawer-link::after {
  content: '\203A';
  font-size: 20px;
  font-weight: 300;
  color: #e5e5e5;
  opacity: 0.7;
  line-height: 1;
}

.drawer-section-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(229, 229, 229, 0.4);
  padding: 20px 28px 8px;
}

.drawer-cta {
  margin: 24px 28px;
  display: block;
  text-align: center;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #3b82f6;
  border: 1px solid #3b82f6;
  padding: 16px 24px;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  font-family: 'Barlow Condensed', sans-serif;
}
.drawer-cta:hover { background: #3b82f6; color: #e5e5e5; }

.sub-header {
  display: flex;
  align-items: center;
  padding: 22px 28px;
  border-bottom: 1px solid rgba(229, 229, 229, 0.15);
  cursor: pointer;
  text-decoration: none;
  color: #e5e5e5;
  transition: opacity 0.15s ease;
  font-family: 'Barlow Condensed', sans-serif;
}
.sub-header:hover { opacity: 0.6; }
.sub-back {
  font-size: 20px;
  font-weight: 300;
  margin-right: 12px;
  opacity: 0.7;
  line-height: 1;
}
.sub-title {
  text-transform: uppercase;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.18em;
}