/* =========================================================
   Header / Navigation / Footer
   ========================================================= */

/* ---- Header ---- */
.site-header{
  position:fixed;
  top:0; left:0; width:100%;
  z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(15,81,50,.08);
  transition:box-shadow .3s var(--ease), padding .3s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 6px 24px rgba(0,0,0,.06);
}

.header-inner{
  max-width:var(--container-wide);
  margin:0 auto;
  padding:16px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:padding .3s var(--ease);
}
.site-header.is-scrolled .header-inner{ padding:10px 24px; }

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand img{ height:42px; width:auto; transition:height .3s var(--ease); }
.site-header.is-scrolled .brand img{ height:34px; }

.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
}
.main-nav a{
  padding:10px 16px;
  font-family:var(--font-label);
  font-size:14px;
  font-weight:500;
  color:var(--dark-800);
  border-radius:10px;
  transition:color .2s, background .2s;
  position:relative;
}
.main-nav a:hover{ color:var(--green-800); background:rgba(15,81,50,.06); }
.main-nav a.active{ color:var(--green-800); font-weight:700; }

.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.btn-login{
  padding:11px 22px;
  border-radius:14px;
  background:var(--green-800);
  color:var(--white);
  font-family:var(--font-label);
  font-size:13px;
  font-weight:700;
  transition:background .25s, transform .25s;
}
.btn-login:hover{ background:var(--green-700); transform:translateY(-1px); }

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:36px;
  height:36px;
  padding:4px;
  background:none;
  border:none;
  cursor:pointer;
  position:relative;
  z-index:1002;
  touch-action:manipulation;
}
.nav-toggle span{
  height:2px;
  width:100%;
  background:var(--dark-800);
  border-radius:2px;
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

@media (max-width:960px){
  .main-nav{
    position:fixed;
    top:0; right:0;
    height:100vh;
    width:min(320px,80vw);
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    padding:100px 32px 32px;
    gap:6px;
    transform:translateX(100%);
    transition:transform .35s var(--ease);
    box-shadow:-10px 0 40px rgba(0,0,0,.12);
    z-index:1001;
  }
  .main-nav.is-open{ transform:translateX(0); }
  .main-nav a{ width:100%; padding:14px 16px; font-size:16px; }
  .nav-toggle{ display:flex; }
  .header-actions .btn-login{ display:none; }
  .main-nav .mobile-login{
    display:block;
    margin-top:20px;
    width:100%;
    text-align:center;
    padding:14px;
    border-radius:14px;
    background:var(--green-800);
    color:var(--white);
    font-weight:700;
  }
}
@media (min-width:961px){
  .main-nav .mobile-login{ display:none; }
}

.nav-overlay{
  position:fixed; inset:0;
  background:rgba(13,26,20,.4);
  z-index:900;
  opacity:0;
  pointer-events:none;
  transition:opacity .3s var(--ease);
}
.nav-overlay.is-open{ opacity:1; pointer-events:auto; }

/* Spacer so fixed header doesn't overlap content */
.header-spacer{ height:74px; }

/* ---- Footer ---- */
.site-footer{
  background:var(--dark-900);
  color:rgba(255,255,255,.55);
  padding:70px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:40px;
  padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand img{ height:70px; margin-bottom:18px; }
.footer-brand p{ font-size:14px; line-height:1.7; max-width:320px; margin:0 0 20px; }
.footer-tagline{
  font-family:var(--font-label);
  font-size:13px;
  color:var(--mint);
  font-weight:600;
}
.footer-platform-link{
  display:inline-block;
  margin-top:14px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-social{
  display:flex;
  gap:12px;
  margin-top:22px;
}
.footer-social a{
  width:38px; height:38px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.15);
  display:flex; align-items:center; justify-content:center;
  font-size:13px;
  transition:background .2s, border-color .2s;
}
.footer-social a:hover{ background:var(--green-800); border-color:var(--green-800); }

.footer-col h4{
  font-family:var(--font-label);
  font-size:12px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  color:rgba(255,255,255,.85);
  margin-bottom:18px;
}
.footer-contact-item{
  margin-bottom:18px;
}
.footer-contact-item .label{
  display:block;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:1px;
  color:var(--mint);
  margin-bottom:4px;
}
.footer-contact-item a, .footer-contact-item span{
  font-size:14px;
  color:rgba(255,255,255,.75);
}

.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:24px 0;
  font-size:13px;
}
.footer-bottom-links{ display:flex; gap:20px; }
.footer-bottom-links a:hover{ color:var(--white); }

@media (max-width:860px){
  .footer-top{ grid-template-columns:1fr; }
}

/* ---- WhatsApp floating button ---- */
.whatsapp-fab{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:800;
  width:58px; height:58px;
  border-radius:50%;
  background:#25D366;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.25);
  transition:transform .25s var(--ease);
}
.whatsapp-fab:hover{ transform:scale(1.08); }
.whatsapp-fab svg{ width:28px; height:28px; fill:#fff; }

/* ---- Back to top ---- */
.to-top{
  position:fixed;
  right:22px;
  bottom:90px;
  z-index:800;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--green-800);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .3s, transform .3s;
  border:none;
}
.to-top.is-visible{ opacity:1; pointer-events:auto; transform:translateY(0); }