:root {
      --bg-dark: #131414;
      --card-bg: #050505;
      --primary-blue: #007aff;
      --accent-orange: #ff6b00;
      --discount-green: #00d9a6;
      --text-gray: #6b7280;
  }

  /* SECTION */
  .sm-product-section {
      max-width: 1200px;
      margin: auto;
      padding: 10px;
  }

  /* HEADER */
  .sm-slider-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 30px;
  }

  .sm-title-group h3 {
      color: var(--primary-blue);
      font-size: 15px;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin: 0 0 5px 0;
  }

  .sm-title-group h2 {
      font-size: 36px;
      font-weight: 900;
      /* color: var(--primary-blue); */
      margin: 0;
      text-transform: uppercase;
  }

  .sm-nav-buttons {
      display: flex;
      gap: 15px;
  }

  .sm-nav-btn {
      background: rgba(255, 255, 255, .05);
      border: 1px solid #333;
      color: white;
      width: 45px;
      height: 45px;
      border-radius: 50%;
      cursor: pointer;
      font-size: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: .3s;
  }

  .sm-nav-btn:hover {
      background: var(--primary-blue);
      border-color: var(--primary-blue);
  }

  /* SLIDER */
  .sm-slider-viewport {
      overflow: hidden;
      width: 100%;
  }

  .sm-slider-viewport {
      width: 100%;
      overflow: hidden;
      position: relative;
  }



  /* REAL CAROUSEL VIEWPORT */
  /* .sm-slider-viewport {
      width: 100%;
      overflow-y: hidden;
      scroll-behavior: smooth;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      cursor: grab;
      padding: 10px;
  } */

  .sm-slider-viewport {
      width: 100%;
      overflow: hidden;
      position: relative;
      touch-action: pan-y;
      /*padding: 10px;*/
  }

  .sm-slider-viewport::-webkit-scrollbar {
      display: none;
  }

  .sm-slider-viewport.dragging {
      cursor: grabbing;
  }

  /* TRACK */

  /*.sm-product-track {*/
  /*    display: flex;*/
  /*    gap: 20px;*/
    
  /*    will-change: transform;*/
  /*}*/
  
  .sm-product-track {
    display: flex;
    gap: 20px;
    transition: transform 0.4s ease;
    will-change: transform;
}

  /* SNAP EFFECT */

  .sm-product-card {
      /* scroll-snap-align:start; */
      flex-shrink: 0;
  }


  /* CARD */


  .sm-product-card {
      position: relative;
      flex: 0 0 calc(33.333% - 14px);
      /* EXACT 3 CARDS */
      padding: 22px;
      border-radius: 22px;
      background: rgba(18, 32, 58, 0.65);
      backdrop-filter: blur(18px);
      border: 1px solid rgba(0, 255, 255, 0.18);
      box-shadow:
          0 0 0 1px rgba(0, 255, 255, 0.08),
          0 10px 35px rgba(0, 0, 0, 0.6),
          inset 0 0 25px rgba(0, 255, 255, 0.05);
      color: white;
      transition: .35s;
      overflow: hidden;
  }

  /* glow hover */
  .sm-product-card:hover {
      transform: translateY(-8px) scale(1.02);
      box-shadow:
          0 0 25px rgba(0, 255, 255, 0.35),
          0 0 60px rgba(0, 200, 255, 0.18),
          0 15px 40px rgba(0, 0, 0, 0.8);
  }

  /* top badge */
  .sm-top-badge {
      position: absolute;
      top: 18px;
      left: 18px;
      font-size: 12px;
      padding: 6px 12px;
      border-radius: 20px;
      background: linear-gradient(90deg, #00eaff, #007bff);
      color: #001b2e;
      font-weight: 600;
  }

  /* discount circle */
  .sm-discount-circle {
      position: absolute;
      right: 6px;
      top: 6px;
      width: 55px;
      height: 55px;
      border-radius: 50%;
      background: radial-gradient(circle, #00f0ff, #007bff);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      box-shadow: 0 0 20px rgba(0, 255, 255, .6);
  }

  /* image */
  .sm-product-img {
      margin-top: 40px;
      text-align: center;
  }

  .sm-product-img img {
      width: 200px;
      height: 200px;
      transition: 0.4s;
      filter: drop-shadow(0 10px 25px rgba(0, 255, 255, 0.4));
  }

  .sm-product-card:hover img {
      transform: scale(1.08) rotate(-2deg);
  }

  /* rating */
  .sm-rating {
      margin-top: 18px;
      color: #ffd84d;
      font-size: 14px;
      text-align: center;
  }

  .sm-rating span {
      color: #9bb3d3;
      font-size: 12px;
  }

  /* name */
  .sm-product-name {
      font-size: 20px;
      font-weight: 600;
      text-align: center;
      margin-top: 10px;
  }

  /* price box */
  .sm-price-box {
      margin-top: 15px;
      text-align: center;
  }

  .sm-current-price {
      font-size: 24px;
      font-weight: 700;
      color: #00f0ff;
      margin-right: 10px;
  }

  .sm-old-price {
      text-decoration: line-through;
      color: #7e93b3;
  }

  /* button */
  .sm-btn {
      margin-top: 18px;
      display: block;
      text-align: center;
      padding: 12px;
      border-radius: 14px;
      background: linear-gradient(90deg, #00f0ff, #007bff);
      color: #001b2e;
      font-weight: 700;
      text-decoration: none;
      transition: 0.3s;
  }

  .sm-btn:hover {
      box-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
      transform: scale(1.05);
  }

  .sm-product-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, .45);
  }

  /* DESKTOP (3 cards) */
  .sm-product-card {
      flex: 0 0 calc((100% - 40px)/3);
  }

  /* TABLET (2 cards) */
  @media(max-width:900px) {
      .sm-product-card {
          flex: 0 0 calc((100% - 20px)/2);
      }
  }

  /* MOBILE (1 card perfect center) */
  @media(max-width:600px) {
      .sm-product-card {
          flex: 0 0 100%;
      }
  }

  /*.sm-product-track {*/
  /*    display: flex;*/
  /*    gap: 20px;*/
      
  /*    transition: transform 0.35s ease;*/
  /*}*/
  
  .sm-product-track {
    transition: transform 1s ease;   /* 🔥 slow smooth */
}



  /* ---------  video section---------- */


  /* =========================================================
   SECTION 1 : SIDE VIDEO + TEXT
   ========================================================= */

  .info-video-section {
      padding: 100px 20px;
      background: linear-gradient(180deg, #020617, #020b1a);
  }

  .info-container {
      max-width: 1200px;
      margin: auto;
      display: flex;
      align-items: center;
      gap: 70px;
  }

  /* VIDEO BOX */

  .info-video {
      flex: 1;
      border-radius: 22px;
      overflow: hidden;
      /* border: 1px solid rgba(255, 255, 255, .08); */
      /* box-shadow: 0 25px 70px rgba(0, 0, 0, .85); */
  }

  /* .info-video video {
      width: 100%;
      height: 100%;
      display: block;
  } */
  .info-video video {
      width: 100%;
      height: 500px;
      display: block;
      border-radius: 10px;
  }

  /* TEXT */

  .info-text {
      flex: 1;
  }

  .info-text h2 {
      font-size: 44px;
      margin-bottom: 15px;
  }

  .info-text p {
      color: #9aa4b2;
      line-height: 1.7;
      margin-bottom: 15px;
  }

  .info-text ul {
      list-style: none;
      margin-top: 15px;
  }

  .info-text li {
      margin: 8px 0;
      color: #cbd5e1;
      font-size: 15px;
  }

  .info-btn {
      display: inline-block;
      margin-top: 20px;
      padding: 13px 30px;
      border-radius: 30px;
      background: linear-gradient(90deg, #00f0ff, #007bff);
      color: #001b2e;
      font-weight: 700;
      text-decoration: none;
      transition: .3s;
  }

  .info-btn:hover {
      /* box-shadow: 0 0 25px rgba(0, 255, 255, .6); */
      color: #fff;
  }

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

  @media (max-width: 992px) {

      .info-container {
          flex-direction: column;
          gap: 40px;
          text-align: center;
      }

      .info-video {
          width: 100%;
      }

      .info-video video {
          height: auto;
          border-radius: 18px;
      }

      .info-text {
          width: 100%;
      }

      .info-text h2 {
          font-size: 32px;
      }

      .info-text p {
          font-size: 15px;
          padding: 0 10px;
      }

      .info-text ul {
          padding: 0;
      }

      .info-text li {
          font-size: 14px;
      }

      .info-btn {
          padding: 12px 25px;
          font-size: 14px;
      }

  }

  /* EXTRA SMALL DEVICES */

  @media (max-width: 576px) {

      .info-video-section {
          padding: 70px 15px;
      }

      .info-container {
          gap: 30px;
      }

      .info-text h2 {
          font-size: 26px;
          line-height: 1.3;
      }

      .info-text p {
          font-size: 14px;
      }

      .info-text li {
          font-size: 13px;
      }

      .info-btn {
          width: 100%;
          text-align: center;
      }

  }


  /* ================= PRODUCT SECTION REVEAL ================= */

  .reveal-up {
      opacity: 0;
      transform: translateY(70px);
      transition: all 1s cubic-bezier(.22, .61, .36, 1);
  }

  .reveal-up.active {
      opacity: 1;
      transform: translateY(0);
  }

  /* ================= STAGGER CARDS ================= */

  .product-card-animate {
      opacity: 0;
      transform: translateY(80px) scale(.9);
      transition: all .8s cubic-bezier(.22, .61, .36, 1);
  }

  /* one by one appear */
  .product-card-animate.active {
      opacity: 1;
      transform: translateY(0) scale(1);
  }

  /* ================= 3D HOVER EFFECT ================= */

  .sm-product-card {
      transform-style: preserve-3d;
      perspective: 1000px;
  }

  .sm-product-card:hover {
      transform: translateY(-12px) rotateX(4deg) rotateY(-4deg);
  }

  /* ================= FLOATING PRODUCT IMAGE ================= */

  @keyframes floatItem {
      0% {
          transform: translateY(0px);
      }

      50% {
          transform: translateY(-10px);
      }

      100% {
          transform: translateY(0px);
      }
  }

  .sm-product-img img {
      animation: floatItem 4s ease-in-out infinite;
  }

  /* ================= DISCOUNT BADGE PULSE ================= */

  @keyframes pulseGlow {
      0% {
          box-shadow: 0 0 0 rgba(0, 255, 255, 0);
      }

      50% {
          box-shadow: 0 0 18px rgba(0, 255, 255, .8);
      }

      100% {
          box-shadow: 0 0 0 rgba(0, 255, 255, 0);
      }
  }

  .sm-discount-circle {
      animation: pulseGlow 2.2s infinite;
  }

  /* ================= NAV BUTTON HOVER ================= */

  .sm-nav-btn:hover {
      transform: scale(1.15);
      box-shadow: 0 0 20px rgba(0, 255, 255, .6);
  }


  /* ================= FEATURES SECTION ================= */

  .features-section {
      padding: 100px 20px;
      background: linear-gradient(180deg, #020617, #030d22);
      text-align: center;
  }

  .section-title {
      font-size: 42px;
      font-weight: 800;
      margin-bottom: 10px;
  }

  .section-subtitle {
      max-width: 700px;
      margin: 0 auto 60px;
      color: #9aa4b2;
      font-size: 16px;
  }

  /* GRID */
  .features-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      max-width: 1200px;
      margin: auto;
  }

  /* CARD */
  .feature-card {
      background: rgba(15, 23, 42, .65);
      border-radius: 20px;
      padding: 35px 25px;
      border: 1px solid rgba(0, 255, 255, .08);
      backdrop-filter: blur(12px);
      transition: .4s ease;
      position: relative;
      overflow: hidden;
  }

  /* glow line */
  .feature-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, transparent, rgba(0, 255, 255, .35), transparent);
      opacity: 0;
      transition: .4s;
  }

  .feature-card:hover::before {
      opacity: 1;
  }

  /* hover lift */
  .feature-card:hover {
      transform: translateY(-14px);
      box-shadow: 0 0 40px rgba(0, 255, 255, .18);
  }

  /* ICON */
  .icon-box {
      width: 70px;
      height: 70px;
      margin: 0 auto 20px;
      border-radius: 18px;
      background: linear-gradient(135deg, #007bff, #00f0ff);
      display: flex;
      align-items: center;
      justify-content: center;
  }

  .icon-box img {
      width: 36px;
      filter: brightness(0) invert(1);
  }

  /* TEXT */
  .feature-card h3 {
      font-size: 20px;
      margin-bottom: 12px;
  }

  .feature-card p {
      color: #cbd5e1;
      font-size: 14px;
      line-height: 1.6;
  }

  /* ================= ANIMATION ================= */

  .reveal-up {
      opacity: 0;
      transform: translateY(60px);
      transition: 1s cubic-bezier(.22, .61, .36, 1);
  }

  .reveal-up.active {
      opacity: 1;
      transform: translateY(0);
  }

  .reveal-card {
      opacity: 0;
      transform: translateY(80px) scale(.9);
      transition: .8s cubic-bezier(.22, .61, .36, 1);
  }

  .reveal-card.active {
      opacity: 1;
      transform: translateY(0) scale(1);
  }

  /* stagger */
  .reveal-card:nth-child(1) {
      transition-delay: .2s;
  }

  .reveal-card:nth-child(2) {
      transition-delay: .4s;
  }

  .reveal-card:nth-child(3) {
      transition-delay: .6s;
  }

  .reveal-card:nth-child(4) {
      transition-delay: .8s;
  }

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

  @media(max-width:992px) {
      .features-grid {
          grid-template-columns: repeat(2, 1fr);
      }
  }

  @media(max-width:600px) {
      .features-grid {
          grid-template-columns: 1fr;
      }

      .section-title {
          font-size: 30px;
      }
  }

  /* ================= FEATURES SECTION ================= */

  .syg-features {
      padding: 100px 20px;
      background: linear-gradient(180deg, #020617, #030d22);
      text-align: center;
  }

  .syg-title {
      font-size: 42px;
      font-weight: 800;
      margin-bottom: 10px;
  }

  .syg-subtitle {
      max-width: 700px;
      margin: 0 auto 60px;
      color: #9aa4b2;
      font-size: 16px;
  }

  /* GRID */

  .syg-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      max-width: 1200px;
      margin: auto;
  }

  /* CARD */

  .syg-card {
      background: rgba(15, 23, 42, .65);
      border-radius: 20px;
      padding: 35px 25px;
      border: 1px solid rgba(0, 255, 255, .08);
      backdrop-filter: blur(12px);
      transition: .4s ease;
      position: relative;
      overflow: hidden;
  }

  /* glow effect */
  .syg-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, transparent, rgba(0, 255, 255, .35), transparent);
      opacity: 0;
      transition: .4s;
  }

  .syg-card:hover::before {
      opacity: 1;
  }

  .syg-card:hover {
      transform: translateY(-14px);
      box-shadow: 0 0 40px rgba(0, 255, 255, .18);
  }

  /* ICON */

  .fa-solid {
      width: 70px;
      height: 70px;
      /* margin: 0 auto 20px; */
      border-radius: 18px;
      background: linear-gradient(135deg, #007bff, #00f0ff);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 10px;
  }

  .fa-solid i {
      width: 36px;
      filter: brightness(0) invert(1);
  }

  /* TEXT */

  .syg-card h3 {
      font-size: 20px;
      margin-bottom: 12px;
  }

  .syg-card p {
      color: #cbd5e1;
      font-size: 14px;
      line-height: 1.6;
  }

  /* ================= SCROLL ANIMATION ================= */

  .syg-reveal-up {
      opacity: 0;
      transform: translateY(60px);
      transition: 1s cubic-bezier(.22, .61, .36, 1);
  }

  .syg-reveal-up.active {
      opacity: 1;
      transform: translateY(0);
  }

  .syg-reveal-card {
      opacity: 0;
      transform: translateY(80px) scale(.9);
      transition: .8s cubic-bezier(.22, .61, .36, 1);
  }

  .syg-reveal-card.active {
      opacity: 1;
      transform: translateY(0) scale(1);
  }

  /* stagger animation */

  .syg-reveal-card:nth-child(1) {
      transition-delay: .2s;
  }

  .syg-reveal-card:nth-child(2) {
      transition-delay: .4s;
  }

  .syg-reveal-card:nth-child(3) {
      transition-delay: .6s;
  }

  .syg-reveal-card:nth-child(4) {
      transition-delay: .8s;
  }

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

  @media(max-width:992px) {
      .syg-grid {
          grid-template-columns: repeat(2, 1fr);
      }
  }

  @media(max-width:600px) {
      .syg-grid {
          grid-template-columns: 1fr;
      }

      .syg-title {
          font-size: 30px;
      }
  }









  /* CONTACT SECTION */
  .syg-contact {
      background: #0f172a;
      padding: 50px 20px;
      display: flex;
      justify-content: center;
  }

  .syg-contact-container {
      width: 100%;
      max-width: 850px;
      text-align: center;
  }

  /* Heading */
  .syg-contact-info h2 {
      font-size: 38px;
      color: #ffffff;
      margin-bottom: 15px;
  }

  .syg-contact-desc {
      color: #94a3b8;
      font-size: 16px;
      max-width: 650px;
      margin: 0 auto 40px;
      line-height: 1.7;
  }

  /* FORM CARD */
  .syg-contact-form {
      background: #020617;
      padding: 40px;
      border-radius: 18px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  }

  /* INPUT ROW */
  .syg-form-row {
      display: flex;
      gap: 15px;
      margin-bottom: 15px;
  }

  .syg-form-row input {
      width: 100%;
  }

  /* INPUTS */
  .syg-contact-form input,
  .syg-contact-form textarea {
      width: 100%;
      padding: 14px 16px;
      border-radius: 10px;
      border: 1px solid #1e293b;
      background: #020617;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: 0.3s;
      margin-bottom: 15px;
  }

  .syg-contact-form textarea {
      min-height: 140px;
      resize: none;
  }

  /* FOCUS EFFECT */
  .syg-contact-form input:focus,
  .syg-contact-form textarea:focus {
      border-color: #0ea5e9;
      box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.25);
  }

  /* BUTTON */
  .syg-contact-form button {
      width: 100%;
      padding: 15px;
      border-radius: 12px;
      border: none;
      background: linear-gradient(135deg, #0ea5e9, #2563eb);
      color: white;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: 0.3s;
  }

  .syg-contact-form button:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
  }

  /* MOBILE RESPONSIVE */
  @media(max-width:700px) {
      .syg-form-row {
          flex-direction: column;
      }
  }





  :root {
      --bg-dark: #0a0e14;
      --text-gray: #a0a0a0;
      --accent-blue: #3b82f6;
  }


  .use-cases {
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
  }

  .header h1 {
      font-size: 2.5rem;
      margin-bottom: 10px;
  }

  .blue-text {
      color: var(--accent-blue);
  }

  .header p {
      color: var(--text-gray);
      margin-bottom: 40px;
  }

  .slider-container {
      overflow: hidden;
      padding: 20px 0;
      cursor: grab;
  }

  .slider-container:active {
      cursor: grabbing;
  }

  .slider-track {
      display: flex;
      gap: 20px;
      transition: transform 0.4s ease;
  }

  .card {
      flex: 0 0 calc(25% - 15px);
      height: 450px;
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      transition: transform 0.3s ease;
  }

  .card:hover {
      transform: translateY(-10px);
  }

  .card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: brightness(0.75);
  }

  .card-content {
      position: absolute;
      bottom: 0;
      left: 0;
      padding: 25px;
      text-align: left;
      background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
      width: 100%;
  }

  .card-content h3 {
      margin: 0;
      font-size: 1.3rem;
  }

  .card-content p {
      margin: 5px 0 0;
      color: #ddd;
      font-size: 0.9rem;
  }

  @media (max-width: 992px) {
      .card {
          flex: 0 0 calc(50% - 10px);
      }
  }

  @media (max-width: 576px) {
      .card {
          flex: 0 0 100%;
      }
  }

  .nav-controls {
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      margin-top: 30px;
  }

  .nav-btn {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: white;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      cursor: pointer;
      transition: 0.3s;
  }

  .nav-btn:hover {
      background: var(--accent-blue);
  }

  /* Scroll Animation */
  .card {
      opacity: 0;
      transform: translateY(40px);
      transition: all 0.6s ease;
  }

  .card.show {
      opacity: 1;
      transform: translateY(0);
  }