/* ==========================================================================
   layout.css — هدر شناور، منوی کشویی، فوتر
   ========================================================================== */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---------- هدر شناور ---------- */
.site-header {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  right: var(--space-sm);
  height: var(--header-height);
  max-width: var(--container-max);
  margin: 0 auto;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-deep);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: height var(--transition-medium), top var(--transition-medium), background var(--transition-medium);
}

.site-header.scrolled {
  height: var(--header-height-scrolled);
  top: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: rgba(10,13,17,0.85);
}

.site-header .header-inner {
  width: 100%;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-right { display: flex; align-items: center; }

.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}
.hamburger-btn:hover { background: rgba(255,255,255,0.08); }

.hamburger-btn span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--grad-gold);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.hamburger-btn.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger-btn.active span:nth-child(2) { opacity: 0; }
.hamburger-btn.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.header-center { position: absolute; left: 50%; transform: translateX(-50%); pointer-events: none; }
.header-center a { pointer-events: auto; }
.header-center img {
  height: 40px;
  width: auto;
  filter: drop-shadow(0 4px 14px rgba(199,176,74,0.35));
  transition: height var(--transition-medium);
}
.site-header.scrolled .header-center img { height: 32px; }

.header-left { display: flex; align-items: center; flex-shrink: 0; }

.phone-widget { position: relative; display: flex; align-items: center; cursor: pointer; }

.phone-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--grad-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  animation: pulse-ring 2.4s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(18,179,168,0.45); }
  70%  { box-shadow: 0 0 0 12px rgba(18,179,168,0); }
  100% { box-shadow: 0 0 0 0 rgba(18,179,168,0); }
}

.phone-icon-wrap img { width: 21px; height: 21px; display: block; }
.phone-icon-wrap.ring img { animation: ring-shake 1.8s ease-in-out infinite; }

@keyframes ring-shake {
  0%, 85%, 100% { transform: rotate(0deg); }
  87% { transform: rotate(15deg); }
  89% { transform: rotate(-15deg); }
  91% { transform: rotate(10deg); }
  93% { transform: rotate(-10deg); }
}

.phone-popup {
  position: absolute;
  top: 120%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--bg-deep-3);
  border: var(--glass-border-gold);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-deep);
  padding: var(--space-xs) var(--space-sm);
  white-space: nowrap;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 10;
}
.phone-widget.open .phone-popup { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(4px); }
.phone-popup a { font-weight: 700; color: var(--teal-light); font-size: var(--fs-md); display: block; }
.phone-popup span { font-size: var(--fs-sm); color: var(--text-muted); }

/* ---------- منوی کشویی (Slide Panel) ---------- */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,8,10,0.6);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium);
}
.menu-overlay.open { opacity: 1; visibility: visible; }

.mobile-menu {
  position: fixed;
  top: 0;
  right: -320px;
  width: 280px;
  max-width: 78vw;
  height: 100%;
  background: var(--bg-deep-2);
  border-left: var(--glass-border);
  box-shadow: -20px 0 60px rgba(0,0,0,0.5);
  z-index: 1100;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  transition: right var(--transition-medium);
  display: flex;
  flex-direction: column;
}
.mobile-menu.open { right: 0; }

.menu-close-btn {
  align-self: flex-start;
  width: 38px; height: 38px;
  border-radius: var(--radius-full);
  border: var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.menu-close-btn:hover { background: rgba(255,255,255,0.08); transform: rotate(90deg); }

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu li {
  opacity: 0;
  transform: translateX(16px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.mobile-menu.open li { opacity: 1; transform: translateX(0); }
.mobile-menu.open li:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.open li:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.open li:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.open li:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu.open li:nth-child(5) { transition-delay: 0.25s; }

.mobile-menu a {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  color: var(--text-secondary);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast), padding-right var(--transition-fast);
}
.mobile-menu a:hover, .mobile-menu a.active {
  color: var(--gold-light);
  background: rgba(199,176,74,0.1);
  padding-right: 22px;
}

.mobile-menu-footer {
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.page-content { padding-top: calc(var(--header-height) + var(--space-lg)); }

.site-footer {
  background: rgba(255,255,255,0.02);
  border-top: var(--glass-border);
  padding: var(--space-lg) 0;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}