/* ==========================================================================
   PERFIDIA.WEB — nav.css
   Navbar, dropdowns, mobile nav, footer
   ========================================================================== */

/* -------- NAVBAR -------- */
nav {
  border-bottom: 1px solid var(--gray-mid);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
}
.nav-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 8px 0;
  display: block;
  transition: opacity .15s;
}
.nav-menu > li > a:hover { opacity: 0.5; }

/* Dropdown */
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-mid);
  min-width: 200px;
  padding: 12px 0;
  z-index: 200;
}
.nav-menu > li:hover .dropdown { display: block; }
.dropdown a {
  display: block;
  padding: 8px 20px;
  font-size: 13px;
  color: var(--black);
  transition: background .1s;
}
.dropdown a:hover { background: var(--gray-light); }

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-actions a {
  font-size: 13px;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: opacity .15s;
}
.nav-actions a:hover { opacity: 0.5; }

.cart-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.05em;
  font-family: var(--font);
  display: flex;
  align-items: center;
  gap: 6px;
}
.cart-count {
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
}

/* -------- MOBILE NAV -------- */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 200;
  padding: 80px 32px 32px;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-light);
}
.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
}

/* -------- FOOTER -------- */
footer {
  background: var(--black);
  color: var(--white);
  padding: 56px 24px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  opacity: 0.55;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}
.social-link {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: border-color .15s;
  cursor: pointer;
}
.social-link:hover {
  border-color: rgba(255, 255, 255, 0.7);
}

.footer-col h4 {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.5;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 13px;
  opacity: 0.65;
  transition: opacity .15s;
}
.footer-col ul li a:hover { opacity: 1; }

.footer-payments { margin-bottom: 24px; }
.footer-payments h4 {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
  opacity: 0.5;
}
.payment-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.payment-icon {
  background: var(--white);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 10px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.05em;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  opacity: 0.4;
  letter-spacing: 0.05em;
}

/* -------- RESPONSIVE NAV -------- */
@media (max-width: 900px) {
  .nav-menu { display: none; }
  .hamburger { display: flex; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}