:root {
  --navy: #040B1A;
  --navy-light: #0B1630;
  --navy-lighter: #15254A;
  --emerald: #00D9A3;
  --gold: #F5A623;
  --pink: #FF4D8D;
  --blue: #4060FF;
  --text: #FFFFFF;
  --text2: rgba(255, 255, 255, 0.7);
  --muted: rgba(255, 255, 255, 0.4);
  --border: rgba(255, 255, 255, 0.08);
  --bg-hover: rgba(255, 255, 255, 0.03);
  --radius: 14px;
  --radius-lg: 24px;
  --pill: 50px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Space Grotesk', sans-serif;
  background-color: var(--navy);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

/* Grid Background */
.bg-grid {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background-image: 
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
  opacity: 0.2;
  z-index: -1;
  pointer-events: none;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
  0% { background-position: 0 0; }
  100% { background-position: 0 50px; }
}

/* NAVBAR */
.nx-navbar-wrap {
  position: fixed;
  top: 20px; left: 50%;
  transform: translateX(-50%);
  width: 90%; max-width: 1200px;
  z-index: 1000;
  perspective: 1000px;
}
.nx-navbar {
  background: rgba(11, 22, 48, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--pill);
  padding: 0.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.1);
  transform-style: preserve-3d;
  transition: transform 0.3s ease;
}
.nx-navbar:hover {
  transform: translateZ(20px) rotateX(5deg);
}
.nx-logo {
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: var(--text);
  transform: translateZ(30px);
}
.nx-logo span { color: var(--emerald); text-shadow: 0 0 15px var(--emerald); }
.nx-nav-links { display: flex; gap: 1.5rem; transform: translateZ(20px); }
.nx-nav-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text2);
  transition: 0.3s;
  display: flex; align-items: center; gap: 0.4rem;
}
.nx-nav-link:hover, .nx-nav-link.active { color: var(--cat); text-shadow: 0 0 10px var(--cat); }
.nx-nav-right { display: flex; align-items: center; gap: 1rem; transform: translateZ(30px); }

/* Search Mini */
.nx-search-mini {
  background: var(--navy-lighter);
  border-radius: var(--pill);
  padding: 0.4rem 1rem;
  display: flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--border);
  transition: 0.3s;
}
.nx-search-mini:focus-within { border-color: var(--emerald); box-shadow: 0 0 15px rgba(0,217,163,0.2); }
.nx-search-mini input {
  background: none; border: none; color: var(--text); outline: none; font-size: 0.8rem; width: 120px;
}

/* Nav Pills & Cart */
.nx-nav-pill {
  padding: 0.4rem 1.2rem;
  border-radius: var(--pill);
  font-size: 0.8rem; font-weight: 700;
  cursor: pointer; transition: 0.3s;
  text-align: center; border: none; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.nx-nav-pill.primary {
  background: var(--emerald); color: var(--navy);
  box-shadow: 0 0 15px rgba(0,217,163,0.4);
}
.nx-nav-pill.primary:hover { transform: scale(1.05); box-shadow: 0 0 25px rgba(0,217,163,0.6); }
.nx-nav-pill.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.nx-nav-pill.ghost:hover { background: var(--bg-hover); border-color: var(--text2); }
.nx-cart-pill {
  width: 36px; height: 36px;
  background: var(--navy-lighter);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  color: var(--text); transition: 0.3s;
}
.nx-cart-pill:hover { background: var(--emerald); color: var(--navy); border-color: var(--emerald); box-shadow: 0 0 15px rgba(0,217,163,0.5); }
.nx-cart-badge {
  position: absolute; top: -5px; right: -5px;
  background: var(--pink); color: #fff;
  font-size: 0.65rem; font-weight: 800;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 10px var(--pink);
}

/* Mobile Menu */
.nx-hamburger { background: none; border: none; display: flex; flex-direction: column; gap: 4px; cursor: pointer; }
.nx-hamburger span { width: 24px; height: 2px; background: var(--text); transition: 0.3s; }
.nx-mobile-menu {
  position: absolute; top: calc(100% + 10px); right: 0; width: 280px;
  background: rgba(11,22,48,0.95); backdrop-filter: blur(20px);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.5rem; display: none; flex-direction: column; gap: 1rem;
  box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}
.nx-mobile-menu.open { display: flex; animation: slideDown 0.3s ease forwards; }
.nx-mob-link { font-size: 0.95rem; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem; border-radius: var(--radius); transition: 0.2s; }
.nx-mob-link:hover { background: var(--bg-hover); }

/* FLIP CARDS (3D Product Cards) */
.nx-flip-card {
  perspective: 1000px;
  width: 100%;
  aspect-ratio: 3/4;
  cursor: pointer;
}
.nx-flip-inner {
  position: relative; width: 100%; height: 100%;
  text-align: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.nx-flip-card:hover .nx-flip-inner { transform: rotateY(180deg); }
.nx-flip-front, .nx-flip-back {
  position: absolute; width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}
.nx-flip-front {
  background: var(--navy-light);
  display: flex; flex-direction: column;
}
.nx-flip-front img {
  width: 100%; height: 60%; object-fit: cover;
}
.nx-card-info {
  padding: 1.2rem; flex: 1; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end;
  background: linear-gradient(to top, var(--navy-light) 60%, transparent);
}
.nx-card-tag { font-size: 0.7rem; font-weight: 800; text-transform: uppercase; margin-bottom: 0.3rem; }
.nx-card-name { font-size: 1.1rem; font-weight: 800; margin-bottom: 0.5rem; text-align: left; }
.nx-card-price { font-size: 0.9rem; color: var(--text2); font-weight: 600; }
.nx-badge {
  position: absolute; top: 10px; right: 10px;
  background: var(--pink); color: #fff; font-size: 0.7rem; font-weight: 800;
  padding: 0.2rem 0.6rem; border-radius: var(--pill); box-shadow: 0 0 10px var(--pink);
}

.nx-flip-back {
  background: linear-gradient(135deg, var(--navy-lighter), var(--navy));
  transform: rotateY(180deg);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem; text-align: center;
  border-color: var(--cat-col);
  box-shadow: inset 0 0 30px rgba(0,0,0,0.5);
}
.nx-flip-back-inner { transform: translateZ(40px); }
.nx-flip-cta {
  display: inline-block; padding: 0.5rem 1.5rem;
  background: var(--cat-col); color: var(--navy);
  font-weight: 800; font-size: 0.85rem; border-radius: var(--pill);
  box-shadow: 0 0 15px var(--cat-col); transition: 0.3s;
}

/* HERO SECTION */
.nx-hero {
  min-height: 100vh;
  padding: 140px 0 60px;
  display: flex; align-items: center;
  position: relative;
}
.nx-hero-title {
  font-size: 4rem; font-weight: 900; line-height: 1.1; margin-bottom: 1.5rem;
  text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.nx-hero-title span { color: var(--emerald); text-shadow: 0 0 20px rgba(0,217,163,0.4); }
.nx-hero-sub {
  font-size: 1.1rem; color: var(--text2); margin-bottom: 2.5rem; max-width: 500px;
}
.nx-hero-btn {
  padding: 1rem 2.5rem; font-size: 1rem; font-weight: 800;
  background: var(--emerald); color: var(--navy);
  border-radius: var(--pill); border: none;
  box-shadow: 0 10px 25px rgba(0,217,163,0.4);
  transition: 0.3s; cursor: pointer; display: inline-flex; align-items: center; gap: 0.75rem;
}
.nx-hero-btn:hover { transform: translateY(-3px); box-shadow: 0 15px 35px rgba(0,217,163,0.6); }

/* 3D CUBE IN HERO */
.cube-container {
  width: 300px; height: 300px; perspective: 1000px; margin: 0 auto;
}
.cube {
  width: 100%; height: 100%; position: relative;
  transform-style: preserve-3d;
  animation: rotateCube 15s infinite linear;
}
.cube-face {
  position: absolute; width: 300px; height: 300px;
  background: rgba(11,22,48,0.8);
  border: 2px solid var(--emerald);
  box-shadow: 0 0 30px rgba(0,217,163,0.3), inset 0 0 30px rgba(0,217,163,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: var(--emerald);
  border-radius: var(--radius-lg); backdrop-filter: blur(10px);
}
.cube-face.front  { transform: rotateY(  0deg) translateZ(150px); }
.cube-face.right  { transform: rotateY( 90deg) translateZ(150px); }
.cube-face.back   { transform: rotateY(180deg) translateZ(150px); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(150px); }
.cube-face.top    { transform: rotateX( 90deg) translateZ(150px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(150px); }

@keyframes rotateCube {
  0% { transform: rotateX(-20deg) rotateY(0deg); }
  100% { transform: rotateX(-20deg) rotateY(360deg); }
}

/* SECTION HEADERS */
.nx-section-title { font-size: 2.5rem; font-weight: 900; margin-bottom: 1rem; }
.nx-section-title span { color: var(--gold); text-shadow: 0 0 20px rgba(245,166,35,0.4); }

/* CATEGORY PILLS */
.nx-cat-pill {
  background: var(--navy-lighter);
  border: 1px solid var(--border);
  padding: 1rem 2rem; border-radius: var(--pill);
  display: flex; align-items: center; gap: 1rem;
  font-weight: 800; font-size: 1.1rem; transition: 0.3s;
  cursor: pointer;
}
.nx-cat-pill:hover {
  border-color: var(--cat-col); background: rgba(255,255,255,0.05);
  transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

/* FOOTER */
.nx-footer { background: var(--navy-light); border-top: 1px solid var(--border); margin-top: 5rem; position: relative; z-index: 10; }
.nx-footer-top { height: 4px; background: linear-gradient(90deg, var(--emerald), var(--blue), var(--pink), var(--gold)); }
.nx-footer-title { font-size: 1.1rem; font-weight: 800; margin-bottom: 1.5rem; color: #fff; }
.nx-footer-list li { margin-bottom: 0.75rem; }
.nx-footer-list a { color: var(--text2); font-size: 0.9rem; transition: 0.2s; }
.nx-footer-list a:hover { color: var(--emerald); padding-left: 5px; }
.nx-social-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy-lighter); color: var(--text);
  display: flex; align-items: center; justify-content: center;
  transition: 0.3s; border: 1px solid var(--border);
}
.nx-social-btn:hover { background: var(--emerald); color: var(--navy); border-color: var(--emerald); transform: translateY(-3px); }
.nx-pay-badge, .nx-trust-tag {
  background: var(--navy-lighter); border: 1px solid var(--border);
  padding: 0.3rem 0.8rem; border-radius: 6px; font-size: 0.8rem; font-weight: 700; color: var(--text2);
}
.nx-pay-badge i { font-size: 1.2rem; color: #fff; }
.nx-footer-bottom { border-top: 1px solid var(--border); padding: 1.5rem 0; display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--muted); margin-top: 2rem; }

/* INPUTS & BUTTONS */
.nx-input {
  background: var(--navy-lighter); border: 1px solid var(--border);
  padding: 0.8rem 1.2rem; border-radius: var(--radius);
  color: var(--text); font-family: inherit; width: 100%; transition: 0.3s;
}
.nx-input:focus { outline: none; border-color: var(--emerald); box-shadow: 0 0 15px rgba(0,217,163,0.2); }
.nx-label { font-size: 0.85rem; font-weight: 700; color: var(--text2); margin-bottom: 0.5rem; display: block; text-transform: uppercase; letter-spacing: 1px; }
.nx-btn {
  padding: 0.8rem 1.5rem; border-radius: var(--radius); font-weight: 800; border: none; cursor: pointer; transition: 0.3s; text-align: center; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; font-family: inherit;
}
.nx-btn-primary { background: var(--emerald); color: var(--navy); box-shadow: 0 4px 15px rgba(0,217,163,0.3); }
.nx-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,217,163,0.5); }
.nx-btn-outline { background: transparent; border: 2px solid var(--border); color: var(--text); }
.nx-btn-outline:hover { border-color: var(--emerald); color: var(--emerald); }

/* TOAST */
.nx-toast {
  position: fixed; bottom: 30px; right: 30px;
  background: rgba(11,22,48,0.95); backdrop-filter: blur(10px);
  border: 1px solid var(--emerald); border-radius: var(--radius);
  padding: 1rem 1.5rem; font-weight: 700; color: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 20px rgba(0,217,163,0.2);
  z-index: 9999; transform: translateX(120%); transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.nx-toast.show { transform: translateX(0); }
.nx-toast-error { border-color: var(--pink); box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 20px rgba(255,77,141,0.2); }

/* UTILS */
.nx-card { background: var(--navy-light); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.grad-text { background: linear-gradient(135deg, var(--emerald), var(--blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nx-page-header { padding: 120px 0 40px; text-align: center; position: relative; }
.nx-page-header::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 100vw; height: 100%; background: radial-gradient(ellipse at top, rgba(0,217,163,0.1), transparent 70%); z-index: -1; pointer-events: none; }

/* ===== EPIC 3D UPGRADES ===== */

/* Floating Particles */
@keyframes floatParticle{
  0%{transform:translateY(0) translateX(0) scale(1);opacity:.8}
  33%{transform:translateY(-40px) translateX(20px) scale(1.2);opacity:1}
  66%{transform:translateY(-20px) translateX(-15px) scale(.8);opacity:.6}
  100%{transform:translateY(0) translateX(0) scale(1);opacity:.8}
}
.particle{position:absolute;border-radius:50%;pointer-events:none;animation:floatParticle var(--dur,6s) ease-in-out infinite;animation-delay:var(--delay,0s)}

/* 3D Hero Scene */
.nx-3d-scene{
  perspective:1200px;
  perspective-origin:50% 40%;
  position:relative;
  height:500px;
  transform-style:preserve-3d;
}
.scene-floor{
  position:absolute;
  bottom:-40px;left:-80px;right:-80px;height:200px;
  background:linear-gradient(transparent,rgba(0,217,163,.04));
  transform:rotateX(70deg) translateZ(-50px);
  transform-origin:bottom center;
  border-top:1px solid rgba(0,217,163,.15);
  background-image:linear-gradient(rgba(0,217,163,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,217,163,.05) 1px,transparent 1px);
  background-size:40px 40px;
}

/* Orbiting 3D Cards */
.orbit-container{
  position:absolute;
  width:380px;height:380px;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  transform-style:preserve-3d;
  animation:orbitSpin 20s linear infinite;
}
@keyframes orbitSpin{
  0%{transform:translate(-50%,-50%) rotateX(20deg) rotateY(0deg)}
  100%{transform:translate(-50%,-50%) rotateX(20deg) rotateY(360deg)}
}
.orbit-card{
  position:absolute;
  width:130px;height:160px;
  left:50%;top:50%;
  border-radius:20px;
  backface-visibility:visible;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;
  font-weight:800;font-size:.9rem;
  transition:.3s;cursor:pointer;text-decoration:none;
  border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(10px);
}
.orbit-card:hover{transform:var(--base-transform) scale(1.15)!important;box-shadow:0 0 40px var(--oc),0 20px 40px rgba(0,0,0,.5)!important}

/* 3D Depth Cards */
.depth-card{
  position:relative;
  transform-style:preserve-3d;
  transition:.5s cubic-bezier(0.23,1,0.32,1);
}
.depth-card:hover{
  transform:perspective(800px) rotateX(-12deg) rotateY(8deg) translateZ(20px) scale(1.02);
}
.depth-card::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,.05),transparent);
  border-radius:inherit;
  opacity:0;transition:.4s;
}
.depth-card:hover::after{opacity:1}
.depth-card .card-shine{
  position:absolute;inset:0;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.08),transparent 60%);
  border-radius:inherit;
  pointer-events:none;
  opacity:0;transition:.3s;
}
.depth-card:hover .card-shine{opacity:1}

/* 3D Section Headers */
.nx-3d-title{
  transform-style:preserve-3d;
  display:inline-block;
  position:relative;
}
.nx-3d-title::after{
  content:attr(data-text);
  position:absolute;
  top:4px;left:4px;
  color:var(--emerald);
  opacity:.2;
  z-index:-1;
  filter:blur(2px);
}

/* Neon Border Glow Cards */
.neon-card{
  position:relative;
  background:var(--navy-light);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:.4s;
}
.neon-card::before{
  content:'';
  position:absolute;
  inset:-2px;
  background:linear-gradient(var(--angle,135deg),var(--emerald),var(--blue),var(--pink),var(--emerald));
  border-radius:calc(var(--radius-lg) + 2px);
  opacity:0;
  transition:.4s;
  z-index:-1;
  animation:rotateGrad 4s linear infinite paused;
}
.neon-card:hover::before{opacity:1;animation-play-state:running}
@keyframes rotateGrad{0%{--angle:0deg}100%{--angle:360deg}}

/* 3D Floating Products */
.float-product{
  animation:float3D var(--fd,5s) ease-in-out infinite;
  animation-delay:var(--fdel,0s);
  transform-style:preserve-3d;
}
@keyframes float3D{
  0%,100%{transform:translateY(0) rotateX(0deg) rotateY(0deg)}
  25%{transform:translateY(-15px) rotateX(5deg) rotateY(-8deg)}
  50%{transform:translateY(-25px) rotateX(-3deg) rotateY(5deg)}
  75%{transform:translateY(-10px) rotateX(6deg) rotateY(-3deg)}
}

/* Mouse Parallax wrapper */
.parallax-scene{
  transform-style:preserve-3d;
  transition:transform .1s linear;
}

/* 3D Stat counters */
.nx-stat-3d{
  background:var(--navy-lighter);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:1.5rem;
  text-align:center;
  transform-style:preserve-3d;
  transition:.4s;
  position:relative;
  overflow:hidden;
}
.nx-stat-3d::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--sc),transparent);
}
.nx-stat-3d:hover{
  transform:perspective(600px) rotateX(-10deg) translateY(-8px);
  box-shadow:0 25px 40px rgba(0,0,0,.5),0 0 20px var(--sc);
  border-color:var(--sc);
}
.nx-stat-num{font-size:2.5rem;font-weight:900;color:var(--sc);text-shadow:0 0 20px var(--sc)}

/* Glassmorphism dark card */
.glass-card{
  background:rgba(11,22,48,.6);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-lg);
  box-shadow:0 25px 50px rgba(0,0,0,.4),inset 0 1px 1px rgba(255,255,255,.08);
  transform-style:preserve-3d;
}

/* Typing cursor */
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.cursor{display:inline-block;width:3px;height:1em;background:var(--emerald);margin-left:2px;animation:blink 1s step-end infinite;vertical-align:middle}

/* Responsive */
@media(max-width:992px){
  .nx-3d-scene{height:320px}
  .orbit-container{width:260px;height:260px}
  .orbit-card{width:90px;height:110px;font-size:.78rem}
  .nx-navbar{padding:.5rem 1rem}
  .nx-search-mini input{width:80px}
}
@media(max-width:768px){
  .nx-hero-title{font-size:2.5rem}
  .orbit-container{width:220px;height:220px}
}
@media(max-width:576px){
  .nx-navbar-wrap{width:95%;top:12px}
  .nx-hero-title{font-size:2rem}
  .nx-nav-links{display:none}
  .nx-search-mini{display:none}
}