/* ═══════════════════════════════════════════════
   NEPTIVUS — nav.css
   Navigation, footer, shared components.
═══════════════════════════════════════════════ */

/* ── Logo: 5A — DM Sans 900, green N ── */
.logo{
  font-family:var(--font-display);
  font-weight:900;
  font-size:22px;
  text-transform:uppercase;
  letter-spacing:-.03em;
  line-height:1;
  color:var(--black);
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:0;
}
.logo .n{color:var(--green);}
.logo-inverted{color:var(--white);}

/* ── NAV ── */
#nav{
  position:fixed;top:0;left:0;right:0;
  z-index:100;
  background:var(--white);
  border-bottom:var(--rule);
  padding:18px var(--sp-lg);
  display:flex;
  justify-content:space-between;
  align-items:center;
  contain:layout style;
}
@media(max-width:768px){#nav{padding:14px var(--sp-md);}}

/* Nav scrolled state */
#nav.scrolled{
  box-shadow:0 1px 0 rgba(0,0,0,.06);
}

#nav-links{
  display:flex;
  gap:36px;
  list-style:none;
}
@media(max-width:768px){#nav-links{display:none;}}

#nav-links a{
  font-size:12px;
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--black);
  text-decoration:none;
  transition:color .18s;
  position:relative;
}
#nav-links a::after{
  content:'';
  position:absolute;
  bottom:-3px;left:0;right:0;
  height:1.5px;
  background:var(--green);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
#nav-links a:hover{color:var(--black);}
#nav-links a:hover::after,
#nav-links a[aria-current]::after{transform:scaleX(1);}
#nav-links a:focus-visible{outline:2px solid var(--green);outline-offset:4px;}

/* Mobile hamburger */
#nav-toggle{
  display:none;
  background:none;
  border:none;
  cursor:pointer;
  padding:4px;
  flex-direction:column;
  gap:5px;
}
@media(max-width:768px){#nav-toggle{display:flex;}}

#nav-toggle span{
  width:22px;height:1.5px;
  background:var(--black);
  display:block;
  transition:transform .2s,opacity .2s;
}
#nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
#nav-toggle.open span:nth-child(2){opacity:0;}
#nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* Mobile drawer */
#nav-drawer{
  display:none;
  position:fixed;
  top:57px;left:0;right:0;bottom:0;
  background:var(--white);
  z-index:99;
  padding:40px var(--sp-md);
  border-top:var(--rule);
}
#nav-drawer.open{display:flex;flex-direction:column;gap:0;}
#nav-drawer a{
  font-family:var(--font-display);
  font-weight:900;
  font-size:40px;
  text-transform:uppercase;
  letter-spacing:-.02em;
  color:var(--black);
  text-decoration:none;
  padding:16px 0;
  border-bottom:var(--rule-faint);
  transition:color .15s;
}
#nav-drawer a:hover{color:var(--green);}
#nav-drawer .drawer-cta{
  margin-top:32px;
  background:var(--black);
  color:var(--white);
  font-size:13px;
  font-family:var(--font-body);
  font-weight:500;
  letter-spacing:.12em;
  padding:18px 32px;
  text-decoration:none;
  display:inline-block;
  width:fit-content;
  transition:background .18s;
}
#nav-drawer .drawer-cta:hover{background:var(--green);color:var(--black);}

/* ── CTA Button ── */
.btn-nav{
  font-size:12px;
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--white);
  background:var(--black);
  padding:10px 22px;
  text-decoration:none;
  transition:background .18s,color .18s;
  white-space:nowrap;
}
.btn-nav:hover{background:var(--green);color:var(--black);}
.btn-nav:focus-visible{outline:2px solid var(--green);outline-offset:3px;}

/* ── Shared buttons ── */
.btn-primary{
  display:inline-block;
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--black);
  background:var(--green);
  padding:18px 44px;
  text-decoration:none;
  transition:opacity .18s;
  border:none;
  cursor:pointer;
}
.btn-primary:hover{opacity:.85;}
.btn-primary:focus-visible{outline:2px solid var(--white);outline-offset:3px;}

.btn-ghost{
  display:inline-block;
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--white);
  background:transparent;
  border:1px solid rgba(255,255,255,.45);
  padding:18px 44px;
  text-decoration:none;
  margin-left:14px;
  transition:border-color .18s;
}
.btn-ghost:hover{border-color:var(--white);}
.btn-ghost:focus-visible{outline:2px solid var(--white);outline-offset:3px;}

.btn-black{
  display:inline-block;
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--white);
  background:var(--black);
  padding:18px 44px;
  text-decoration:none;
  transition:background .18s,color .18s;
}
.btn-black:hover{background:var(--green);color:var(--black);}
.btn-black:focus-visible{outline:2px solid var(--black);outline-offset:3px;}

@media(max-width:480px){
  .btn-ghost{margin-left:0;margin-top:12px;display:block;text-align:center;}
  .btn-primary{display:block;text-align:center;}
}

/* ── Page header (inner pages) ── */
.page-header{
  padding:160px var(--sp-lg) 80px;
  background:var(--dark);
  color:var(--white);
  border-bottom:1px solid rgba(255,255,255,.08);
}
@media(max-width:768px){.page-header{padding:120px var(--sp-md) 56px;}}

.page-header-inner{
  max-width:1200px;
  margin:0 auto;
}
.page-header-eye{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:24px;
}
.page-header-eye-rule{
  width:32px;height:1.5px;
  background:var(--green);
  flex-shrink:0;
}

/* ── FOOTER ── */
#footer{
  border-top:var(--rule);
  padding:56px 0;
  background:var(--white);
}

.footer-inner{
  display:grid;
  grid-template-columns:1fr auto auto;
  gap:40px;
  align-items:center;
}
@media(max-width:768px){
  .footer-inner{
    grid-template-columns:1fr;
    gap:32px;
  }
}

.footer-logo-wrap{display:flex;flex-direction:column;gap:8px;}
.footer-tagline-row{
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-rule-line{
  width:20px;height:1.5px;
  background:var(--green);
  flex-shrink:0;
}
.footer-tag{
  font-size:12px;
  font-weight:400;
  color:var(--mid);
  letter-spacing:.06em;
}

.footer-links{display:flex;gap:28px;list-style:none;}
@media(max-width:768px){.footer-links{flex-wrap:wrap;gap:16px;}}
.footer-links a{
  font-size:12px;
  font-weight:500;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--mid);
  text-decoration:none;
  transition:color .18s;
}
.footer-links a:hover{color:var(--green);}

.footer-copy{
  font-size:12px;
  font-weight:400;
  color:var(--mid);
  white-space:nowrap;
}
@media(max-width:768px){.footer-copy{white-space:normal;}}

/* ── CTA band (shared across pages) ── */
.cta-band{
  background:var(--dark);
  color:var(--white);
  padding:160px 0;
  text-align:center;
}
.cta-eye{
  font-size:12px;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:rgba(255,255,255,.65);
  margin-bottom:28px;
}
.cta-headline{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(52px,10vw,130px);
  text-transform:uppercase;
  line-height:.9;
  letter-spacing:-.03em;
  color:var(--white);
  margin-bottom:40px;
}
.cta-headline .g{color:var(--green);}
.cta-sub{
  font-size:16px;
  font-weight:400;
  color:rgba(255,255,255,.72);
  max-width:420px;
  margin:0 auto 48px;
  line-height:1.8;
}