:root {
  --sidebar-w: 240px;
}

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

body{
  font-family:'DM Sans',sans-serif;
  background:#f3f4f6;
  color:#111827;
  overflow-x: hidden;
}

/* MAIN CONTENT */

.main-content{
  margin-left: var(--sidebar-w); /* remove if no sidebar */
  min-height:100vh;
  width: calc(100% - var(--sidebar-w)); /* remove if no sidebar */
}

/* TOPBAR */

.topbar{
  padding:20px 40px;

  background:white;

  border-bottom:1px solid #e5e7eb;

  display:flex;
  justify-content:space-between;
  align-items:center;

  gap:20px;
}

.search-box{
  width:420px;

  background:#f3f4f6;

  border-radius:999px;

  padding:14px 18px;

  display:flex;
  align-items:center;
  gap:12px;
}

.search-box input{
  width:100%;

  border:none;
  outline:none;

  background:none;

  font-size:15px;
}

.topbar-actions{
  display:flex;
  align-items:center;
  gap:14px;
}

.add-btn,
.collection-btn,
.theme-btn{
  border:none;

  padding:12px 18px;

  border-radius:999px;

  cursor:pointer;

  font-weight:600;

  transition:.3s;
}

.collection-btn{
  background:#f97316;
  color:white;
}

.theme-btn{
  width:46px;
  height:46px;

  border-radius:50%;
}

/* HERO */

.hero{
  margin:40px;

  padding:60px;

  border-radius:36px;

  background:
  linear-gradient(
    135deg,
    #18142b,
    #0f172a,
    #221b55
  );

  color:white;

  display:grid;
  grid-template-columns:1fr auto;

  align-items:center;

  gap:50px;

  overflow:hidden;
}

.hero-left{
  min-width:0;
}

.breadcrumb{
  color:#f97316;

  margin-bottom:20px;

  font-weight:600;
}

.hero h1{
  font-size:68px;

  line-height:1.05;

  margin-bottom:24px;

  font-family:'Syne',sans-serif;
}

.hero p{
  color:#cbd5e1;

  font-size:18px;

  line-height:1.7;

  max-width:700px;
}

/* HERO TAGS */

.hero-tags{
  display:flex;
  gap:14px;

  margin-top:34px;

  flex-wrap:wrap;
}

.hero-tags span{
  padding:12px 18px;

  border-radius:999px;

  background:rgba(255,255,255,0.08);

  display:flex;
  align-items:center;
  gap:8px;

  font-size:14px;
}

/* HERO PREVIEW */

.hero-preview{
  flex-shrink:0;
}

.mini-preview-card{
  width:190px;
  height:240px;

  border-radius:28px;

  background:
  linear-gradient(135deg,#7c3aed,#06b6d4);

  display:flex;
  justify-content:center;
  align-items:center;

  color:white;

  font-size:32px;
  font-weight:700;

  transform:
  rotateY(20deg)
  rotateX(10deg);

  box-shadow:
  0 25px 50px rgba(0,0,0,0.3);
}

/* FILTERS */

.filters{
  display:flex;
  gap:14px;

  padding:0 40px;

  margin-bottom:30px;

  flex-wrap:wrap;
}

.filters button{
  border:none;

  padding:10px 18px;

  border-radius:999px;

  background:white;

  cursor:pointer;

  font-weight:600;

  transition:.3s;
}

.filters .active{
  background:#2563eb;
  color:white;
}

/* GRID */

.flip-grid{
  padding:0 40px 60px;

  display:grid;

  grid-template-columns:
  repeat(auto-fit,minmax(320px,1fr));

  gap:30px;
}

/* COMPONENT CARD */

.component-card{
  background:white;

  border-radius:26px;

  overflow:hidden;

  border:1px solid #e5e7eb;

  transition:.3s;
}

.component-card:hover{
  transform:translateY(-6px);

  box-shadow:
  0 20px 40px rgba(0,0,0,0.08);
}

/* CARD PREVIEW */

.card-preview{
  height:240px;

  background:#081120;

  display:flex;
  justify-content:center;
  align-items:center;
}

/* FLIP CARD */

.demo-flip-card{
  width:160px;
  height:190px;

  perspective:1200px;
}

.demo-inner{
  width:100%;
  height:100%;

  position:relative;

  transform-style:preserve-3d;

  transition:0.8s;
}

.demo-flip-card:hover .demo-inner{
  transform:rotateY(180deg);
}

.demo-front,
.demo-back{
  position:absolute;

  width:100%;
  height:100%;

  border-radius:24px;

  display:flex;
  justify-content:center;
  align-items:center;

  color:white;

  font-size:24px;
  font-weight:700;

  backface-visibility:hidden;
}

.demo-front{
  background:
  linear-gradient(135deg,#7c3aed,#06b6d4);
}

.demo-back{
  background:
  linear-gradient(135deg,#f97316,#ec4899);

  transform:rotateY(180deg);
}

/* CARD CONTENT */

.card-content{
  padding:24px;
}

.card-top{
  display:flex;
  justify-content:space-between;
  align-items:center;

  gap:12px;

  margin-bottom:14px;
}

.card-top h3{
  font-size:24px;
}

.card-top span{
  padding:6px 12px;

  border-radius:999px;

  background:#dbeafe;
  color:#2563eb;

  font-size:12px;
  font-weight:700;
}

.card-content p{
  color:#64748b;

  line-height:1.7;

  margin-bottom:24px;
}

/* CARD ACTIONS */

.card-actions{
  display:flex;
  gap:10px;
}

.card-actions button{
  flex:1;

  border:none;

  padding:12px;

  border-radius:12px;

  background:#111827;
  color:white;

  font-weight:600;

  cursor:pointer;

  transition:.3s;
}

.card-actions button:hover{
  background:#2563eb;
}

/* RESPONSIVE */

@media(max-width:1100px){

  .hero{
    grid-template-columns:1fr;
  }

  .hero-preview{
    display:flex;
    justify-content:center;
  }

}

@media(max-width:768px){

  .main-content{
    margin-left:0;
    width:100%;
  }

  .topbar{
    flex-direction:column;
    align-items:stretch;
  }

  .search-box{
    width:100%;
  }

  .hero{
    margin:20px;
    padding:36px;
  }

  .hero h1{
    font-size:42px;
  }

  .flip-grid{
    padding:0 20px 40px;
  }

}
/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  width: 250px;
  height: 100vh;
  background: linear-gradient(160deg, #141428 0%, #1c1c35 100%);
  display: flex;
  flex-direction: column;
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1050;
  border-right: 1px solid rgba(255,255,255,0.05);
  transition: transform var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.brand-icon {
  font-size: 24px;
  color: var(--accent);
}

.brand-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  letter-spacing: -0.5px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

.sidebar-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  color: #8a9bc0;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}

.sidebar-nav li a i {
  width: 18px;
  text-align: center;
  font-size: 15px;
}

.sidebar-nav li a:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
  transform: translateX(3px);
}

.sidebar-nav li.active a {
  background: linear-gradient(90deg, rgba(235,104,53,0.2) 0%, rgba(235,104,53,0.05) 100%);
  color: var(--accent);
  border-left: 3px solid var(--accent);
}

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  gap: 16px;
}

.sidebar-footer a {
  color: #6a7a94;
  font-size: 16px;
  transition: color var(--transition);
}

.sidebar-footer a:hover {
  color: var(--accent);
}

/* Sidebar backdrop (mobile) */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1040;
  backdrop-filter: blur(2px);
}

.sidebar-backdrop.visible {
  display: block;
}

/* =========================================================
   NEW 3D PREMIUM FLIP CARD COMPONENTS
========================================================= */

/* Common 3D Flip Mechanics */
.glass-flip-card, .product-flip-card, .team-flip-card, .pricing-flip-card, .neon-flip-card,
.music-flip-card, .event-flip-card, .recipe-flip-card, .weather-flip-card, .crypto-flip-card {
  width: 170px;
  height: 200px;
  perspective: 1200px;
}

.glass-flip-inner, .product-flip-inner, .team-flip-inner, .pricing-flip-inner, .neon-flip-inner,
.music-flip-inner, .event-flip-inner, .recipe-flip-inner, .weather-flip-inner, .crypto-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.glass-flip-card:hover .glass-flip-inner, .product-flip-card:hover .product-flip-inner,
.team-flip-card:hover .team-flip-inner, .pricing-flip-card:hover .pricing-flip-inner,
.neon-flip-card:hover .neon-flip-inner, .music-flip-card:hover .music-flip-inner,
.event-flip-card:hover .event-flip-inner, .recipe-flip-card:hover .recipe-flip-inner,
.weather-flip-card:hover .weather-flip-inner, .crypto-flip-card:hover .crypto-flip-inner {
  transform: rotateY(180deg);
}

.glass-flip-front, .glass-flip-back, .product-flip-front, .product-flip-back,
.team-flip-front, .team-flip-back, .pricing-flip-front, .pricing-flip-back,
.neon-flip-front, .neon-flip-back, .music-flip-front, .music-flip-back,
.event-flip-front, .event-flip-back, .recipe-flip-front, .recipe-flip-back,
.weather-flip-front, .weather-flip-back, .crypto-flip-front, .crypto-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
}

.glass-flip-back, .product-flip-back, .team-flip-back, .pricing-flip-back, .neon-flip-back,
.music-flip-back, .event-flip-back, .recipe-flip-back, .weather-flip-back, .crypto-flip-back {
  transform: rotateY(180deg);
}

/* 5. Glassmorphism Flip Card Styles */
.glass-flip-front {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  color: white;
}
.glass-flip-front .glass-avatar {
  font-size: 32px;
  color: #60a5fa;
  margin-bottom: 10px;
}
.glass-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
}
.glass-flip-front p {
  font-size: 11px;
  color: #94a3b8;
  margin: 0;
}
.glass-flip-back {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  color: white;
}
.glass-flip-back h5 {
  font-size: 12px;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 8px;
}
.glass-flip-back .access-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 12px;
}
.glass-flip-back .back-links {
  display: flex;
  gap: 10px;
}
.glass-flip-back .back-links a {
  color: #cbd5e1;
  font-size: 14px;
  transition: transform 0.3s, color 0.3s;
}
.glass-flip-back .back-links a:hover {
  color: white;
  transform: scale(1.15);
}

/* 6. Product Showcase Flip Card Styles */
.product-flip-front {
  background: linear-gradient(135deg, #1e1b4b, #311042);
  border: 1px solid rgba(236, 72, 153, 0.2);
  color: white;
}
.product-flip-front .product-icon {
  font-size: 38px;
  color: #ec4899;
  margin-bottom: 12px;
  animation: floatPulse 3s infinite ease-in-out;
}
.product-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.product-flip-front .product-price {
  font-size: 13px;
  font-weight: 700;
  color: #38bdf8;
}
.product-flip-back {
  background: #0f172a;
  border: 1px solid rgba(236, 72, 153, 0.2);
  color: white;
  justify-content: space-between;
}
.product-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #94a3b8;
  margin-top: 4px;
}
.product-flip-back ul {
  list-style: none;
  padding: 0;
  margin: 8px 0;
  text-align: left;
}
.product-flip-back ul li {
  font-size: 10px;
  color: #cbd5e1;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.product-flip-back ul li::before {
  content: "✔";
  color: #ec4899;
  font-size: 8px;
}
.product-flip-back .buy-btn {
  background: #ec4899;
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 6px 14px;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s;
}
.product-flip-back .buy-btn:hover {
  background: #db2777;
  transform: translateY(-1px);
}

/* 7. Team Member Flip Card Styles */
.team-flip-front {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: white;
}
.team-flip-front .team-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #818cf8;
  margin-bottom: 12px;
}
.team-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
}
.team-flip-front p {
  font-size: 11px;
  color: #94a3b8;
  margin: 0;
}
.team-flip-back {
  background: #111827;
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: white;
}
.team-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 6px;
}
.team-flip-back .skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
  margin-bottom: 10px;
}
.team-flip-back .skill-tags span {
  font-size: 9px;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}
.team-flip-back .bio-snippet {
  font-size: 10px;
  color: #cbd5e1;
  line-height: 1.4;
  margin: 0;
}

/* 8. Pricing Plan Flip Card Styles */
.pricing-flip-front {
  background: linear-gradient(135deg, #0d1527, #070a13);
  border: 1px solid rgba(249, 115, 22, 0.2);
  color: white;
  justify-content: space-between;
}
.pricing-flip-front .plan-badge {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.05em;
  background: rgba(249, 115, 22, 0.15);
  color: #f97316;
  border: 1px solid rgba(249, 115, 22, 0.3);
  padding: 2px 10px;
  border-radius: 99px;
}
.pricing-flip-front h4 {
  font-size: 14px;
  font-weight: 700;
  margin-top: auto;
}
.pricing-flip-front .plan-price {
  font-size: 20px;
  font-weight: 800;
  color: white;
  margin-bottom: auto;
  margin-top: 4px;
}
.pricing-flip-back {
  background: #0d1527;
  border: 1px solid rgba(249, 115, 22, 0.2);
  color: white;
  justify-content: space-between;
}
.pricing-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #94a3b8;
  margin-top: 4px;
}
.pricing-flip-back ul {
  list-style: none;
  padding: 0;
  margin: 8px 0;
  text-align: left;
}
.pricing-flip-back ul li {
  font-size: 9px;
  color: #cbd5e1;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.pricing-flip-back ul li::before {
  content: "✦";
  color: #f97316;
  font-size: 8px;
}
.pricing-flip-back .upgrade-btn {
  background: linear-gradient(135deg, #f97316, #ea580c);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 6px 14px;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s;
}
.pricing-flip-back .upgrade-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
}

/* 9. Neon Glow 3D Flip Card Styles */
.neon-flip-front {
  background: #030712;
  border: 1px solid #10b981;
  color: white;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.15);
}
.neon-flip-front .neon-icon {
  font-size: 34px;
  color: #10b981;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.4));
  animation: glowPulse 2s infinite ease-in-out;
}
.neon-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}
.neon-flip-front .neon-tag {
  font-size: 9px;
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.neon-flip-back {
  background: #030712;
  border: 1px solid #10b981;
  color: white;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.15);
  justify-content: space-between;
}
.neon-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #94a3b8;
  margin-top: 4px;
}
.neon-flip-back .diagnostics {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 10px 0;
}
.neon-flip-back .diagnostics span {
  font-size: 10px;
  color: #10b981;
  font-weight: 600;
}
.neon-flip-back .neon-action {
  background: transparent;
  border: 1px solid #10b981;
  border-radius: 8px;
  color: #10b981;
  font-size: 10px;
  font-weight: 700;
  padding: 6px 14px;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s;
}
.neon-flip-back .neon-action:hover {
  background: #10b981;
  color: black;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

/* 10. Music Player Flip Card Styles */
.music-flip-front {
  background: linear-gradient(135deg, #4c1d95, #7e22ce);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: white;
}
.music-flip-front .album-art {
  font-size: 38px;
  color: #d8b4fe;
  margin-bottom: 12px;
}
.music-flip-front h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.music-flip-front p { font-size: 12px; color: #d8b4fe; margin: 0; }
.music-flip-back {
  background: #3b0764;
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: white;
  justify-content: space-between;
}
.music-flip-back .track-list {
  text-align: left;
  width: 100%;
  font-size: 11px;
  color: #e9d5ff;
  line-height: 1.8;
}
.music-flip-back .music-controls {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 16px;
  color: white;
  margin-top: 10px;
}
.music-controls i { cursor: pointer; transition: color 0.2s; }
.music-controls i:hover { color: #d8b4fe; }

/* 11. Event Invite Flip Card Styles */
.event-flip-front {
  background: linear-gradient(135deg, #1e3a8a, #3b82f6);
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: white;
}
.event-flip-front .event-date {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.1);
  padding: 8px 14px;
  border-radius: 12px;
  margin-bottom: 12px;
}
.event-date .day { font-size: 24px; font-weight: 800; }
.event-date .month { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: #bfdbfe; }
.event-flip-front h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.event-flip-front p { font-size: 11px; color: #bfdbfe; margin: 0; }
.event-flip-back {
  background: #1e3a8a;
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: white;
}
.event-flip-back h5 { font-size: 12px; text-transform: uppercase; color: #93c5fd; margin-bottom: 8px; }
.event-flip-back p { font-size: 10px; color: #dbeafe; margin-bottom: 6px; }
.event-flip-back .rsvp-btn {
  background: #3b82f6;
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 8px 16px;
  margin-top: auto;
  cursor: pointer;
  transition: all 0.3s;
}
.event-flip-back .rsvp-btn:hover { background: #2563eb; }

/* 12. Recipe Card Flip Styles */
.recipe-flip-front {
  background: linear-gradient(135deg, #9f1239, #e11d48);
  border: 1px solid rgba(251, 113, 133, 0.3);
  color: white;
}
.recipe-flip-front .recipe-icon { font-size: 38px; color: #fecdd3; margin-bottom: 12px; }
.recipe-flip-front h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.recipe-flip-front .recipe-meta {
  display: flex;
  gap: 12px;
  font-size: 10px;
  color: #fecdd3;
}
.recipe-flip-back {
  background: #881337;
  border: 1px solid rgba(251, 113, 133, 0.3);
  color: white;
}
.recipe-flip-back h5 { font-size: 12px; text-transform: uppercase; color: #fda4af; margin-bottom: 8px; }
.recipe-flip-back ul { list-style: none; padding: 0; margin: 0; text-align: center; }
.recipe-flip-back ul li { font-size: 10px; color: #ffe4e6; margin-bottom: 6px; }
.recipe-flip-back .cook-btn {
  background: #e11d48;
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 8px 16px;
  margin-top: 12px;
  cursor: pointer;
}

/* 13. Weather Widget Flip Styles */
.weather-flip-front {
  background: linear-gradient(135deg, #0ea5e9, #38bdf8);
  border: 1px solid rgba(186, 230, 253, 0.3);
  color: white;
}
.weather-flip-front .weather-icon { font-size: 38px; color: #e0f2fe; margin-bottom: 12px; }
.weather-flip-front h2 { font-size: 28px; font-weight: 800; margin: 0 0 4px 0; }
.weather-flip-front p { font-size: 12px; color: #e0f2fe; margin: 0; }
.weather-flip-back {
  background: #0284c7;
  border: 1px solid rgba(186, 230, 253, 0.3);
  color: white;
}
.weather-flip-back h5 { font-size: 12px; text-transform: uppercase; color: #bae6fd; margin-bottom: 12px; }
.forecast-row {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 11px;
}
.forecast-row:last-child { border-bottom: none; }

/* 14. Crypto Stats Flip Styles */
.crypto-flip-front {
  background: linear-gradient(135deg, #1f2937, #374151);
  border: 1px solid rgba(252, 211, 77, 0.3);
  color: white;
}
.crypto-flip-front .crypto-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  color: #fbbf24;
  margin-bottom: 16px;
}
.crypto-header span { font-size: 14px; font-weight: 700; color: #f3f4f6; }
.crypto-flip-front h3 { font-size: 22px; font-weight: 800; margin: 0 0 8px 0; }
.crypto-flip-front .trend { font-size: 11px; font-weight: 700; padding: 4px 8px; border-radius: 4px; background: rgba(16,185,129,0.15); color: #10b981; }
.crypto-flip-back {
  background: #111827;
  border: 1px solid rgba(252, 211, 77, 0.3);
  color: white;
  justify-content: space-between;
}
.crypto-flip-back h5 { font-size: 12px; text-transform: uppercase; color: #9ca3af; margin-bottom: 12px; }
.crypto-flip-back .stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
}
.stat-grid div {
  background: rgba(255,255,255,0.05);
  padding: 6px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}
.stat-grid div span { display: block; font-size: 9px; color: #9ca3af; font-weight: 400; margin-bottom: 2px; }
.crypto-flip-back .trade-btn {
  background: #fbbf24;
  border: none;
  border-radius: 8px;
  color: #111827;
  font-size: 10px;
  font-weight: 800;
  padding: 8px 16px;
  margin-top: 12px;
  cursor: pointer;
  width: 100%;
}

/* 15. Social Stats Flip */
.social-flip-card {
  width: 170px;
  height: 200px;
  perspective: 1200px;
}

.social-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.social-flip-card:hover .social-flip-inner {
  transform: rotateY(180deg);
}

.social-flip-front, .social-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
}

.social-flip-front {
  background: linear-gradient(135deg, #e11d48, #f43f5e);
  border: 1px solid rgba(251, 113, 133, 0.3);
  color: white;
}

.social-flip-front .social-avatar {
  font-size: 34px;
  color: #fecdd3;
  margin-bottom: 12px;
}

.social-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.social-flip-front p {
  font-size: 11px;
  color: #fecdd3;
  margin: 0;
}

.social-flip-back {
  background: #831843;
  border: 1px solid rgba(251, 113, 133, 0.3);
  color: white;
  justify-content: space-between;
}

.social-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #fda4af;
  margin-top: 4px;
}

.social-stats-grid {
  display: flex;
  gap: 10px;
  width: 100%;
}

.social-stats-grid div {
  background: rgba(255,255,255,0.1);
  padding: 8px;
  border-radius: 8px;
  font-size: 10px;
  color: #fecdd3;
  flex: 1;
}

.social-stats-grid div span {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: #fecdd3;
}

.social-btn {
  background: #e11d48;
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 7px 12px;
  cursor: pointer;
  width: 100%;
}

/* 16. Team Member Flip */
.team-flip-card {
  width: 170px;
  height: 200px;
  perspective: 1200px;
}

.team-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.team-flip-card:hover .team-flip-inner {
  transform: rotateY(180deg);
}

.team-flip-front, .team-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
}

.team-flip-front {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border: 1px solid rgba(147, 197, 253, 0.3);
  color: white;
}

.team-flip-front .team-avatar {
  font-size: 34px;
  color: #dbeafe;
  margin-bottom: 12px;
}

.team-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-flip-front p {
  font-size: 11px;
  color: #dbeafe;
  margin: 0;
}

.team-flip-back {
  background: #1e40af;
  border: 1px solid rgba(147, 197, 253, 0.3);
  color: white;
}

.team-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #93c5fd;
  margin-bottom: 8px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
  margin-bottom: 8px;
}

.skill-tags span {
  font-size: 9px;
  background: rgba(255,255,255,0.15);
  color: #dbeafe;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.bio-text {
  font-size: 10px;
  color: #dbeafe;
  margin: 0;
}

/* 17. Product Card Flip */
.product-flip-card {
  width: 170px;
  height: 200px;
  perspective: 1200px;
}

.product-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.product-flip-card:hover .product-flip-inner {
  transform: rotateY(180deg);
}

.product-flip-front, .product-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
}

.product-flip-front {
  background: linear-gradient(135deg, #059669, #10b981);
  border: 1px solid rgba(167, 243, 208, 0.3);
  color: white;
}

.product-flip-front .product-icon {
  font-size: 38px;
  color: #d1fae5;
  margin-bottom: 12px;
}

.product-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.product-flip-front .product-price {
  font-size: 13px;
  font-weight: 700;
  color: #a7f3d0;
}

.product-flip-back {
  background: #047857;
  border: 1px solid rgba(167, 243, 208, 0.3);
  color: white;
  justify-content: space-between;
}

.product-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #a7f3d0;
  margin-top: 4px;
}

.product-flip-back ul {
  list-style: none;
  padding: 0;
  margin: 8px 0;
  text-align: center;
}

.product-flip-back ul li {
  font-size: 10px;
  color: #d1fae5;
  margin-bottom: 4px;
}

.product-btn {
  background: #10b981;
  border: none;
  border-radius: 8px;
  color: #047857;
  font-size: 10px;
  font-weight: 700;
  padding: 7px 12px;
  cursor: pointer;
  width: 100%;
}

/* 18. Learning/Course Flip */
.course-flip-card {
  width: 170px;
  height: 200px;
  perspective: 1200px;
}

.course-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.course-flip-card:hover .course-flip-inner {
  transform: rotateY(180deg);
}

.course-flip-front, .course-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
}

.course-flip-front {
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  border: 1px solid rgba(221, 214, 254, 0.3);
  color: white;
}

.course-flip-front .course-icon {
  font-size: 34px;
  color: #ede9fe;
  margin-bottom: 12px;
}

.course-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.course-flip-front p {
  font-size: 11px;
  color: #e9d5ff;
  margin: 0;
}

.course-flip-back {
  background: #6d28d9;
  border: 1px solid rgba(221, 214, 254, 0.3);
  color: white;
  justify-content: space-between;
}

.course-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #ddd6fe;
  margin-top: 4px;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.2);
  border-radius: 999px;
  overflow: hidden;
  margin: 8px 0;
}

.progress-fill {
  height: 100%;
  width: 65%;
  background: #e9d5ff;
  border-radius: 999px;
}

.progress-text {
  font-size: 10px;
  color: #e9d5ff;
  margin-bottom: 8px;
}

.course-btn {
  background: #7c3aed;
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 7px 12px;
  cursor: pointer;
  width: 100%;
}

/* 19. Smart Home Flip */
.smart-flip-card {
  width: 170px;
  height: 200px;
  perspective: 1200px;
}

.smart-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.smart-flip-card:hover .smart-flip-inner {
  transform: rotateY(180deg);
}

.smart-flip-front, .smart-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
}

.smart-flip-front {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  border: 1px solid rgba(254, 243, 199, 0.3);
  color: white;
}

.smart-flip-front .smart-icon {
  font-size: 34px;
  color: #fef3c7;
  margin-bottom: 12px;
}

.smart-flip-front h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.smart-flip-front p {
  font-size: 11px;
  color: #fef3c7;
  margin: 0;
}

.smart-flip-back {
  background: #d97706;
  border: 1px solid rgba(254, 243, 199, 0.3);
  color: white;
  justify-content: space-between;
}

.smart-flip-back h5 {
  font-size: 11px;
  text-transform: uppercase;
  color: #fef3c7;
  margin-top: 4px;
}

.device-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  font-size: 10px;
  color: #fef3c7;
  margin-bottom: 8px;
}

.device-list div {
  display: flex;
  justify-content: space-between;
}

.device-list em {
  font-style: normal;
  font-weight: 700;
}

.smart-btn {
  background: #f59e0b;
  border: none;
  border-radius: 8px;
  color: #78350f;
  font-size: 10px;
  font-weight: 700;
  padding: 7px 12px;
  cursor: pointer;
  width: 100%;
}

/* Animations */
@keyframes floatPulse {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-4px) scale(1.03);
  }
}

@keyframes glowPulse {
  0%, 100% {
    filter: drop-shadow(0 0 4px rgba(16, 185, 129, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 12px rgba(16, 185, 129, 0.6));
  }
} 
/* =========================================================
   HERO SECTION ENHANCED 3D FLIP CARD
========================================================= */

.hero-flip-container {
  width: 180px;
  height: 240px;
  perspective: 1200px;
}

.hero-flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-style: preserve-3d;
}

.hero-flip-container:hover .hero-flip-inner {
  transform: rotateY(180deg);
}

.hero-flip-front,
.hero-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.hero-flip-front {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  color: #e2e8f0;
}

.hero-flip-back {
  background: #0f172a;
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  color: #e2e8f0;
  transform: rotateY(180deg);
}

.mini-profile-info {
  text-align: center;
  margin-top: 8px;
}

.mini-profile-info strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}

.mini-profile-info span {
  font-size: 12px;
  color: #94a3b8;
}

.flip-hint {
  margin-top: 12px;
  font-size: 12px;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Ensure hero preview scales nicely on mobile */
@media(max-width:768px) {
  .hero-flip-container {
    width: 140px;
    height: 200px;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
/* ================= FOOTER ================= */

.footer {
  position: relative;
  margin-left: var(--sidebar-w);
  width: calc(100% - var(--sidebar-w));
  background: #080808;
  color: #aaa;
  margin-top: 60px;
  overflow: hidden;
  z-index: 1;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 2fr;
  gap: 50px;
  padding: 70px 60px 45px;
  align-items: flex-start;
}

/* Brand Section */
.footer-logo {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 18px;
}

.footer-col p {
  font-size: 15px;
  line-height: 1.8;
  color: #9a9a9a;
  margin-bottom: 20px;
  max-width: 320px;
}

/* Headings */
.footer-col h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

/* Links */
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 14px;
}

.footer-col ul li a {
  position: relative;
  color: #a1a1aa;
  text-decoration: none;
  font-size: 15px;
  transition: all 0.3s ease;
  display: inline-block;
}

/* Hover Animation */
.footer-col ul li a:hover {
  color: #ff7a3d;  
  transform: translateX(6px);
}

/* Animated Underline */
.footer-col ul li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0%;
  height: 2px;
  background: #ff7a3d;
  transition: width 0.3s ease;
  border-radius: 10px;
}

.footer-col ul li a:hover::after {
  width: 100%;
}

/* Social Icons */
.socials {
  display: flex;
  gap: 14px;
  margin-top: 24px;
}

.socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #161616;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b5b5b5;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

/* Hover Animation */
.socials a:hover {
  background: #ff7a3d;
  color: #fff;
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 18px rgba(255, 102, 0, 0.35);
}

/* Glow Effect */
.socials a::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  transform: scale(0);
  transition: transform 0.35s ease;
}

.socials a:hover::before {
  transform: scale(1.6);
}

.footer-col h3 {
  position: relative;
  display: inline-block;
  cursor: default;
}

/* Small Accent Line */
.footer-col h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 32px;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.footer-col h3:hover::after {
  width: 100%;
}

/* Newsletter */
.newsletter p {
  margin-bottom: 18px;
}

.newsletter-form {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
  width: 100%;
}

.newsletter-form input {
  flex: 1;
  height: 48px;
  padding: 0 16px;
  background: #161616;
  border: 1px solid #262626;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  outline: none;
  min-width: 220px;
}

.newsletter-form input:focus {
  border-color: var(--accent);
}

.newsletter-form button {
  height: 48px;
  padding: 0 24px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s ease;
  white-space: nowrap;
}

.newsletter-form button:hover {
  background: #d45c28;
}

/* Bottom Bar */
.footer-bottom {
  border-top: 1px solid #1c1c1c;
  padding: 24px;
  text-align: center;
  font-size: 14px;
  color: #aaa;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 1200px) {
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .newsletter {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .footer {
    margin-left: 0;
    width: 100%;
  }

  .footer-container {
    grid-template-columns: 1fr;
    padding: 50px 24px 35px;
    gap: 35px;
  }

  .newsletter {
    grid-column: span 1;
  }

  .newsletter-form {
    flex-direction: column;
    align-items: stretch;
  }

  .newsletter-form button {
    width: 100%;
  }

  .footer-col p {
    max-width: 100%;
  }
}