/* ==========================================================================
   中華全民防衛知能協會 (TPDRO) - Elite Operator 2026 Tactical Web Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+TC:wght@400;500;700;900&family=Orbitron:wght@500;700;900&family=Share+Tech+Mono&display=swap');

:root {
  --bg-dark: #0c100e;
  --bg-panel: rgba(18, 25, 20, 0.85);
  --bg-card: rgba(28, 38, 32, 0.6);
  --bg-glass: rgba(12, 18, 14, 0.92);

  --primary: #8ea37b;           /* Tactical Olive Drab 戰術軍綠 */
  --primary-glow: rgba(142, 163, 123, 0.3);

  --accent: #d58b45;            /* Warm Earthy Sand Amber 沙漠戰術金琥珀 */
  --accent-glow: rgba(213, 139, 69, 0.3);

  --warning: #dfa753;           /* Muted Sand Amber */
  --warning-glow: rgba(223, 167, 83, 0.3);

  --danger: #cc5a5a;            /* Tactical Alert Red */
  --danger-glow: rgba(204, 90, 90, 0.3);

  --accent-cyan: #8ea37b;       /* Compatibility alias to Primary Olive */
  --accent-amber: #d58b45;      /* Compatibility alias to Accent Sand */
  --accent-green: #8ea37b;
  --accent-red: #cc5a5a;
  --accent-purple: #9d7bb0;

  --neutral: #8892b0;
  --text-white: #f3f4f6;
  --text-main: #f3f4f6;
  --text-gray: #9ca3af;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --border-color: rgba(213, 139, 69, 0.25);
  --border-hover: rgba(213, 139, 69, 0.6);
  --border-cyan: rgba(213, 139, 69, 0.3);
  --border-amber: rgba(142, 163, 123, 0.4);

  --font-cyber: 'Orbitron', 'Share Tech Mono', monospace;
  --font-main: 'Inter', 'Noto Sans TC', system-ui, -apple-system, sans-serif;

  --shadow-neon-cyan: 0 0 20px rgba(142, 163, 123, 0.25);
  --shadow-neon-amber: 0 0 20px rgba(213, 139, 69, 0.25);
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.4);

  --radius-lg: 10px;
  --radius-md: 6px;
  --radius-sm: 4px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  background-image:
    radial-gradient(circle at 10% 20%, rgba(213, 139, 69, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(142, 163, 123, 0.06) 0%, transparent 45%),
    linear-gradient(to right, rgba(255, 255, 255, 0.008) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.008) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  background-attachment: fixed;
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--border-color);
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text-white);
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: rgba(18, 25, 20, 0.9);
  border-radius: 50%;
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px var(--primary-glow);
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--primary);
}

.logo-text {
  font-family: var(--font-cyber);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 1px;
  color: var(--text-white);
}

.logo-text span {
  display: block;
  font-size: 0.72rem;
  color: var(--primary);
  font-family: var(--font-cyber);
  font-weight: 500;
  letter-spacing: 1.5px;
  text-shadow: 0 0 8px var(--primary-glow);
}

.nav-links {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: nowrap;
  white-space: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-link {
  color: var(--text-gray);
  text-decoration: none;
  font-family: var(--font-cyber);
  font-size: 0.88rem;
  letter-spacing: 1px;
  padding: 0.45rem 0.85rem;
  border: 1px solid transparent;
  border-radius: 4px;
  transition: var(--transition);
  white-space: nowrap;
  writing-mode: horizontal-tb;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
  border-color: var(--border-hover);
  background: rgba(213, 139, 69, 0.05);
  text-shadow: 0 0 8px var(--accent-glow);
}

.nav-btn {
  font-family: var(--font-cyber);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.5rem 1.2rem;
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 1px;
  box-shadow: 0 0 10px var(--primary-glow);
  transition: var(--transition);
  white-space: nowrap;
  writing-mode: horizontal-tb;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-btn:hover {
  background: var(--primary);
  color: var(--bg-dark);
  box-shadow: 0 0 20px var(--primary-glow);
  transform: translateY(-1px);
}

/* Page Views Counter Badge */
.pv-badge {
  background: rgba(213, 139, 69, 0.1);
  border: 1px solid var(--border-color);
  color: var(--accent);
  font-family: var(--font-cyber);
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  letter-spacing: 1px;
}

/* Main Layout Padding */
main.container {
  padding-top: 6rem;
  padding-bottom: 4rem;
}

/* Cyber Panel (Glassmorphism Military Style) */
.cyber-panel {
  background: var(--bg-panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.cyber-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
}

.cyber-panel::after {
  content: '///';
  position: absolute;
  top: 6px;
  right: 12px;
  font-family: var(--font-cyber);
  color: var(--border-color);
  font-size: 0.8rem;
  letter-spacing: 2px;
}

/* Countdown Clock Widget */
.countdown-container {
  text-align: center;
  margin: 1.5rem 0;
}

.countdown-title {
  font-family: var(--font-cyber);
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  text-shadow: 0 0 10px var(--accent-glow);
}

.countdown-digits-wrapper {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.countdown-unit {
  background: rgba(12, 18, 14, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  min-width: 110px;
  padding: 1.2rem 1rem;
  position: relative;
  box-shadow: inset 0 0 15px rgba(213, 139, 69, 0.05);
}

.countdown-unit::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.countdown-number {
  font-family: var(--font-cyber);
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 0.3rem;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.countdown-label {
  font-family: var(--font-cyber);
  font-size: 0.75rem;
  color: var(--text-gray);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Intelligence Carousel Slider */
.poster-panel {
  padding: 1.5rem;
}

.poster-title {
  font-family: var(--font-cyber);
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 1rem;
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

.poster-slider-container {
  position: relative;
  min-height: 260px;
  background: rgba(12, 18, 14, 0.65);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.info-slide {
  display: none;
  padding: 2rem;
}

.info-slide.active {
  display: block;
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-hud-header {
  font-family: var(--font-cyber);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
}

.slide-hud-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.85rem;
}

.slide-hud-text {
  font-size: 1rem;
  color: var(--text-gray);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.slide-hud-meta {
  font-size: 0.85rem;
  color: var(--accent);
  font-family: var(--font-cyber);
  margin-bottom: 1.25rem;
}

.slide-hud-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-cyber);
  font-weight: 700;
  font-size: 0.88rem;
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  transition: var(--transition);
  background: rgba(213, 139, 69, 0.05);
}

.slide-hud-link:hover {
  background: var(--accent);
  color: var(--bg-dark);
  box-shadow: 0 0 15px var(--accent-glow);
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.slide-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: var(--transition);
}

.slide-dot.active {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  width: 24px;
  border-radius: 10px;
}

/* Feature Grid 4 Columns (Course Highlights) */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.cyber-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.5rem;
  transition: var(--transition);
  position: relative;
}

.cyber-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 5px 25px rgba(213, 139, 69, 0.12);
  transform: translateY(-2px);
}

.comp-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: rgba(142, 163, 123, 0.12);
  border: 1px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--primary);
  font-size: 1.4rem;
}

.cyber-card-title {
  font-family: var(--font-cyber);
  font-size: 1.1rem;
  color: var(--text-white);
  margin-bottom: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.5rem;
}

.cyber-card-content {
  font-size: 0.9rem;
  color: var(--text-gray);
  line-height: 1.6;
}

/* Badges for Status */
.badge {
  font-family: var(--font-cyber);
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-open {
  background: rgba(142, 163, 123, 0.15);
  color: var(--primary);
  border: 1px solid var(--primary);
  text-shadow: 0 0 5px var(--primary-glow);
}

.badge-preparing {
  background: rgba(223, 167, 83, 0.15);
  color: var(--warning);
  border: 1px solid var(--warning);
  text-shadow: 0 0 5px var(--warning-glow);
}

.badge-closed {
  background: rgba(204, 90, 90, 0.15);
  color: var(--danger);
  border: 1px solid var(--danger);
  text-shadow: 0 0 5px var(--danger-glow);
}

/* Instructor Grid */
.instructor-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.25rem;
  transition: var(--transition);
}

.instructor-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 5px 20px rgba(213, 139, 69, 0.1);
}

.instructor-avatar {
  width: 65px;
  height: 65px;
  border-radius: 50%;
  background: rgba(18, 25, 20, 0.9);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--accent-glow);
}

.instructor-info h4 {
  font-size: 1.1rem;
  color: var(--text-white);
}

.instructor-info p {
  font-size: 0.85rem;
  color: var(--primary);
  font-family: var(--font-cyber);
}

.instructor-info span {
  font-size: 0.82rem;
  color: var(--text-gray);
  display: block;
  margin-top: 0.2rem;
}

/* Registration Package Cards (945 Style) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 25px rgba(213, 139, 69, 0.15);
  background: linear-gradient(160deg, rgba(28, 38, 32, 0.85), rgba(18, 25, 20, 0.95));
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg-dark);
  font-family: var(--font-cyber);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.85rem;
  border-radius: 4px;
  letter-spacing: 1px;
}

.pricing-title {
  font-family: var(--font-cyber);
  font-size: 1.25rem;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-cyber);
  margin-bottom: 1.25rem;
  text-shadow: 0 0 10px var(--accent-glow);
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-gray);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--primary);
  font-weight: bold;
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 11, 9, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-card {
  background: var(--bg-dark);
  border: 1px solid var(--accent);
  border-radius: 8px;
  max-width: 540px;
  width: 100%;
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 25px var(--accent-glow);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-gray);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--accent);
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-family: var(--font-cyber);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 1px;
}

.form-control, .cyber-input {
  background: rgba(12, 18, 14, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  color: var(--text-white);
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus, .cyber-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

select.form-control option {
  background: var(--bg-dark);
  color: var(--text-white);
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-question {
  font-family: var(--font-cyber);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-white);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  margin-top: 0.85rem;
  color: var(--text-gray);
  font-size: 0.92rem;
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Cyber Table Styles (Admin & Logs) */
.table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: rgba(12, 18, 14, 0.6);
}

.cyber-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.cyber-table th {
  background: rgba(213, 139, 69, 0.08);
  font-family: var(--font-cyber);
  font-weight: 600;
  color: var(--accent);
  padding: 1rem;
  border-bottom: 2px solid var(--border-color);
  letter-spacing: 1px;
}

.cyber-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-white);
}

.cyber-table tr:hover td {
  background: rgba(213, 139, 69, 0.03);
}

/* Footer */
footer {
  background: #080c0a;
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-family: var(--font-cyber);
  letter-spacing: 1px;
}

footer p {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Collapsible Side Drawer Index (側邊隱藏欄索引表)
   ========================================================================== */

/* Floating Edge Trigger Tab (Left Edge) */
.side-drawer-trigger {
  position: fixed;
  left: 0;
  right: auto;
  top: 38%;
  z-index: 2000;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-left: none;
  border-radius: 0 8px 8px 0;
  padding: 0.85rem 0.45rem;
  color: var(--accent);
  font-family: var(--font-cyber);
  font-size: 0.85rem;
  font-weight: 700;
  writing-mode: vertical-lr;
  letter-spacing: 2px;
  cursor: pointer;
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5), 0 0 10px var(--accent-glow);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.side-drawer-trigger:hover {
  background: var(--accent);
  color: var(--bg-dark);
  box-shadow: 6px 0 25px var(--accent-glow);
  transform: translateX(3px);
}

/* Backdrop Overlay */
.side-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 11, 9, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2400;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.side-drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* Side Drawer Panel (Left Side Slide-Out) */
.side-drawer-panel {
  position: fixed;
  top: 0;
  left: 0;
  right: auto;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  z-index: 2500;
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 2px solid var(--border-color);
  box-shadow: 10px 0 40px rgba(0, 0, 0, 0.8), 0 0 20px var(--accent-glow);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  visibility: hidden;
}

.side-drawer-panel.active {
  transform: translateX(0);
  visibility: visible;
}

/* Drawer Header */
.drawer-header {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(12, 18, 14, 0.6);
}

.drawer-title {
  font-family: var(--font-cyber);
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.drawer-close-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-gray);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.drawer-close-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(213, 139, 69, 0.1);
}

/* Drawer Content & Items */
.drawer-nav-list {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.drawer-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  color: var(--text-white);
  text-decoration: none;
  font-family: var(--font-cyber);
  font-size: 0.92rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(12, 18, 14, 0.4);
  transition: var(--transition);
}

.drawer-nav-item:hover, .drawer-nav-item.active {
  background: rgba(213, 139, 69, 0.12);
  border-color: var(--border-hover);
  color: var(--accent);
  transform: translateX(4px);
  text-shadow: 0 0 8px var(--accent-glow);
}

.drawer-nav-item.cta-item {
  background: linear-gradient(135deg, var(--accent), #e89b4f);
  color: var(--bg-dark);
  font-weight: 800;
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}

.drawer-nav-item.cta-item:hover {
  background: #ffffff;
  color: var(--bg-dark);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.6);
  transform: translateX(4px);
}

/* Responsive queries */
@media (max-width: 992px) {
  header {
    flex-direction: row;
    padding: 0.75rem 1rem;
    gap: 1rem;
  }
  .nav-links {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.75rem;
  }
  .nav-link, .nav-btn {
    font-size: 0.82rem;
    padding: 0.4rem 0.65rem;
    white-space: nowrap;
    writing-mode: horizontal-tb;
  }
}

@media (max-width: 600px) {
  header {
    padding: 0.6rem 0.85rem;
  }
  .logo-text span {
    display: none;
  }
  .nav-links {
    gap: 0.6rem;
  }
}

/* Hidden Slide-out Side Drawer System */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 11, 9, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2400;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.drawer-backdrop.open, .drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  z-index: 2500;
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 2px solid var(--border-color);
  box-shadow: 10px 0 40px rgba(0, 0, 0, 0.8), 0 0 20px var(--accent-glow);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  visibility: hidden;
}

.drawer-menu.open, .drawer-menu.active {
  transform: translateX(0);
  visibility: visible;
}

.drawer-header {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(12, 18, 14, 0.6);
}

.drawer-title {
  font-family: var(--font-cyber);
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 1.5px;
}

.drawer-close {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-gray);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.drawer-close:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(213, 139, 69, 0.12);
}

.drawer-nav {
  padding: 1.25rem;
}

.drawer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.drawer-item {
  display: block;
  padding: 0.85rem 1.2rem;
  color: var(--text-white);
  text-decoration: none;
  font-family: var(--font-cyber);
  font-size: 0.95rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(12, 18, 14, 0.5);
  transition: var(--transition);
  white-space: nowrap;
}

.drawer-item:hover, .drawer-item.active {
  background: rgba(213, 139, 69, 0.15);
  border-color: var(--border-hover);
  color: var(--accent);
  transform: translateX(5px);
  text-shadow: 0 0 10px var(--accent-glow);
}

.drawer-toggle-btn {
  font-family: var(--font-cyber);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  background: rgba(213, 139, 69, 0.08);
  border: 1px solid var(--border-color);
  color: var(--accent);
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.drawer-toggle-btn:hover {
  background: var(--accent);
  color: var(--bg-dark);
  box-shadow: 0 0 15px var(--accent-glow);
}