/**
 * Off-Canvas Responsive Navigation
 * CelerioWeb CMS - High Performance & Elegant Drawer
 */

:root {
  --oc-bg: rgba(11, 19, 37, 0.96);
  --oc-border: rgba(255, 255, 255, 0.08);
  --oc-text: #e2e8f0;
  --oc-muted: #94a3b8;
  --oc-accent: #00a3ff;
  --oc-hover: rgba(0, 163, 255, 0.1);
  --oc-width: 360px;
}

[data-theme="light"] {
  --oc-bg: rgba(255, 255, 255, 0.98);
  --oc-border: rgba(0, 0, 0, 0.08);
  --oc-text: #0f172a;
  --oc-muted: #64748b;
  --oc-hover: rgba(0, 163, 255, 0.08);
}

/* Backdrop Overlay */
.offcanvas-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 18, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s;
  pointer-events: none;
}

.offcanvas-backdrop.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Off-Canvas Drawer Container */
.offcanvas-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(var(--oc-width), 90vw);
  background: var(--oc-bg);
  border-left: 1px solid var(--oc-border);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  will-change: transform;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.offcanvas-drawer.is-open {
  transform: translateX(0);
}

/* Header inside drawer */
.offcanvas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--oc-border);
}

.offcanvas-logo img {
  height: 38px;
  width: auto;
  display: block;
}

.offcanvas-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--oc-border);
  color: var(--oc-text);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  transition: all 0.25s ease;
}

.offcanvas-close-btn:hover {
  background: var(--oc-accent);
  color: #ffffff;
  border-color: var(--oc-accent);
  transform: rotate(90deg);
}

/* Body content */
.offcanvas-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Navigation Links */
.offcanvas-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.offcanvas-nav li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  color: var(--oc-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.offcanvas-nav li a:hover,
.offcanvas-nav li a.active {
  background: var(--oc-hover);
  color: var(--oc-accent);
  padding-left: 20px;
}

.offcanvas-nav li a i {
  font-size: 14px;
  color: var(--oc-muted);
  transition: transform 0.2s;
}

.offcanvas-nav li a:hover i {
  color: var(--oc-accent);
  transform: translateX(4px);
}

/* Quick Contact Card */
.offcanvas-contact-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--oc-border);
  border-radius: 12px;
  padding: 20px;
}

.offcanvas-contact-box h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--oc-accent);
  margin: 0 0 14px 0;
  font-weight: 700;
}

.offcanvas-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--oc-muted);
}

.offcanvas-contact-item:last-child {
  margin-bottom: 0;
}

.offcanvas-contact-item i {
  font-size: 18px;
  color: var(--oc-accent);
  margin-top: 1px;
}

.offcanvas-contact-item a {
  color: var(--oc-text);
  text-decoration: none;
  transition: color 0.2s;
}

.offcanvas-contact-item a:hover {
  color: var(--oc-accent);
}

/* Drawer Footer */
.offcanvas-footer {
  padding: 20px 28px 28px;
  border-top: 1px solid var(--oc-border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.offcanvas-socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.offcanvas-social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--oc-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--oc-text);
  text-decoration: none;
  font-size: 16px;
  transition: all 0.25s ease;
}

.offcanvas-social-btn:hover {
  background: var(--oc-accent);
  color: #fff;
  transform: translateY(-3px);
  border-color: var(--oc-accent);
}

.offcanvas-cta-btn {
  display: block;
  text-align: center;
  padding: 12px 20px;
  background: linear-gradient(135deg, #00a3ff 0%, #0066cc 100%);
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 700;
  border-radius: 8px;
  font-size: 15px;
  box-shadow: 0 4px 15px rgba(0, 163, 255, 0.3);
  transition: all 0.25s ease;
}

.offcanvas-cta-btn:hover {
  box-shadow: 0 6px 20px rgba(0, 163, 255, 0.5);
  transform: translateY(-2px);
}