/* Estilos compartilhados: header, footer, botões, whatsapp flutuante. */

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-dark);
  color: #f1ece3;
  border-bottom: 2px solid var(--color-primary);
  background-image: url(../img/barbershop-header.jpg);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
  z-index: 1;
}
.site-header .container {
  position: relative;
  z-index: 2;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.brand {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  text-transform: uppercase;
}
.brand:hover { text-decoration: none; color: #e6b955; }

.nav-toggle {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
}
.nav-menu {
  display: none;
  position: absolute;
  top: 64px; left: 0; right: 0;
  background: var(--color-dark);
  padding: 1rem;
  border-bottom: 2px solid var(--color-primary);
  list-style: none;
  margin: 0;
}
.nav-menu[data-open="true"] { display: block; }
.nav-menu li { margin: 0.5rem 0; }
.nav-menu a {
  color: #f1ece3;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-menu a:hover, .nav-menu a[aria-current="page"] {
  color: var(--color-primary);
  text-decoration: none;
}

@media (min-width: 48em) {
  .nav-toggle { display: none; }
  .nav-menu {
    display: flex;
    position: static;
    background: transparent;
    border: none;
    padding: 0;
    gap: 1.75rem;
  }
  .nav-menu li { margin: 0; }
}

/* ---------- Botões ---------- */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-dark);
}
.btn-primary:hover { background: var(--color-primary-dark); color: var(--color-dark); }
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: var(--color-dark); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: #c9c2b5;
  padding: 2.5rem 0 1.5rem;
  margin-top: 4rem;
}
.site-footer a { color: var(--color-primary); }
.footer-grid {
  display: grid;
  gap: 1.75rem;
  margin-bottom: 1.75rem;
}
.footer-grid h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}
.footer-grid p, .footer-grid ul { margin: 0.3rem 0; }
.footer-grid ul { list-style: none; padding: 0; }
.footer-grid ul li { margin: 0.3rem 0; }
.footer-bottom {
  border-top: 1px solid #2a241d;
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: #8a8275;
  text-align: center;
}
@media (min-width: 48em) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Tab Bar (Mobile) ---------- */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--color-dark);
  border-top: 1px solid var(--color-primary);
  padding: 0.5rem 0;
  display: block; /* Visible by default on mobile */
}

.tab-bar-menu {
  display: flex;
  justify-content: space-around;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tab-bar-menu li {
  flex: 1;
  text-align: center;
}

.tab-bar-menu a {
  display: block;
  color: #f1ece3;
  text-decoration: none;
  padding: 0.3rem 0.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.tab-bar-menu a:hover,
.tab-bar-menu a[aria-current="page"] {
  color: var(--color-primary);
}

@media (min-width: 48em) {
  .tab-bar {
    display: none; /* Hide on larger screens */
  }
}

/* ---------- WhatsApp flutuante ---------- */
.wa-float {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  z-index: 100;
  background: #25d366;
  color: #fff;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform 0.15s ease;
}
.wa-float:hover { transform: scale(1.08); text-decoration: none; }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Utilitários de seção ---------- */
.section { padding: 3rem 0; }
.section-alt { background: var(--color-bg-alt); }
.section h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--color-dark);
}
.section h2::after {
  content: "";
  display: block;
  width: 60px; height: 3px;
  background: var(--color-primary);
  margin-top: 0.6rem;
}
.section-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: 2rem;
}
@media (min-width: 48em) {
  .section { padding: 4.5rem 0; }
  .section h2 { font-size: 2.5rem; }
}