/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 40px; height: 40px; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 15px; }
.brand-tagline { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-muted); letter-spacing: 0.02em; }

.site-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; color: var(--text-muted); }
.site-nav a { transition: color .15s ease; }
.site-nav a:hover { color: var(--text); }

.header-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: none;
}
.nav-toggle span { height: 1.5px; background: var(--text); border-radius: 2px; }

@media (max-width: 900px) {
  .site-nav {
    position: absolute;
    top: 78px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 20px;
    gap: 18px;
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .header-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
}

/* ============================================================
   PROMO BANNER
   ------------------------------------------------------------
   Big top-of-page poster. Toggled on/off via JS (display) from
   SHOW_PROMO_BANNER in js/site-config.js — see index.html/main.js.
   ============================================================ */
.promo-banner {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 5;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(150deg, var(--surface-2), var(--bg-alt));
}
.promo-banner img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.promo-banner:hover img { transform: scale(1.02); }
.promo-banner.no-link { cursor: default; }
.promo-banner.no-link:hover img { transform: none; }
.promo-banner-fallback {
  position: absolute; inset: 0;
  display: none;
  align-items: center; justify-content: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  line-height: 1.6;
  padding: 20px;
}
@media (max-width: 720px) {
  .promo-banner { aspect-ratio: 3 / 2; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { border-top: 1px solid var(--border); padding: 56px 0 32px; background: var(--bg-alt); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-logo { width: 32px; height: 32px; }
.footer-brand span { font-family: var(--font-display); font-weight: 700; font-size: 15px; }
.footer-col p { color: var(--text-muted); font-size: 14px; max-width: 32ch; }
.footer-col h4 { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--text-muted); font-size: 14px; transition: color .15s ease; }
.footer-col a:hover { color: var(--green-bright); }

.footer-social { display: flex; gap: 12px; margin-top: 4px; }
.footer-social a {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s ease, color .15s ease;
}
.footer-social a:hover { border-color: var(--green); color: var(--green-bright); }
.footer-social svg { width: 16px; height: 16px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a:hover { color: var(--green-bright); }
.footer-legal { display: flex; gap: 20px; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  transition: transform .15s ease;
}
.whatsapp-float:hover { transform: scale(1.06); }
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* ============================================================
   COOKIE CONSENT BANNER
   ============================================================ */
.cookie-banner {
  position: fixed;
  left: 20px; right: 20px; bottom: 20px;
  max-width: 620px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
  z-index: 200;
  display: none;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { font-size: 13.5px; color: var(--text-muted); margin-bottom: 16px; }
.cookie-banner p a { color: var(--green-bright); text-decoration: underline; }
.cookie-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 24px; left: 24px;
  z-index: 80;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .2s ease;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; }