:root {
      --primary: #0a2540;
      --secondary: #00d4aa;
      --accent: #25D366;
      --dark: #0d1b2a;
      --darker: #070f1c;
      --transition: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 80px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
      background: var(--darker);
      color: #fff;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    /* Background Effects */
    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 15% 50%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(37, 211, 102, 0.05) 0%, transparent 50%),
        linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
      z-index: 0;
      pointer-events: none;
    }

    .container {
      width: 92%;
      max-width: 1320px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    /* Header */
 header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: rgba(7, 15, 28, 0.85); /* slightly opaque instead of fully transparent */
  transition: all 0.3s ease;
  padding: 16px 0;
  backdrop-filter: blur(10px) saturate(180%);
}



    header .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

header.scrolled {
  padding: 10px 0;
  background: rgba(7, 15, 28, 0.95); /* more opaque when scrolling */
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  transition: transform var(--transition);
}

.logo:hover {
  transform: translateX(4px);
}

/* Logo container */
.logo-mark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  overflow: hidden; /* ensures image stays cleanly cropped */
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
  padding: 0;
  position: relative;
}

/* Image inside logo */
.logo-mark img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90%;        /* slightly smaller to compensate for uneven edges */
  height: 90%;
  transform: translate(-50%, -50%); /* perfectly centers image */
  object-fit: contain;
  border-radius: 50%;
  display: block;
}

/* Logo text */
.logo-txt .title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.logo-txt .tag {
  font-size: 0.7rem;
  color: var(--secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

    .nav-menu {
      display: flex;
      gap: 28px;
      align-items: center;
      list-style: none;
    }

    .nav-link {
      font-weight: 600;
      font-size: 0.9rem;
      color: rgba(255,255,255,0.85);
      padding: 8px 4px;
      position: relative;
      transition: all 0.3s ease;
      white-space: nowrap;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: -4px;
      height: 2px;
      width: 0;
      background: var(--secondary);
      transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
      transform: translateX(-50%);
    }

    .nav-link:hover {
      color: var(--secondary);
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 12px;
      padding: 12px 24px;
      font-weight: 700;
      font-size: 0.9rem;
      border: none;
      cursor: pointer;
      transition: all var(--transition);
      position: relative;
      overflow: hidden;
      white-space: nowrap;
      text-decoration: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--secondary) 0%, #00b894 100%);
      color: var(--dark);
      box-shadow: 0 4px 16px rgba(0, 212, 170, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 28px rgba(0, 212, 170, 0.5);
    }

    .btn-outline {
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255,255,255,0.2);
      backdrop-filter: blur(10px);
    }

    .btn-outline:hover {
      border-color: var(--secondary);
      background: rgba(0, 212, 170, 0.1);
      transform: translateY(-2px);
    }

    .btn-whatsapp {
      background: linear-gradient(135deg, var(--accent) 0%, #128C7E 100%);
      color: white;
      box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
    }

    .btn-whatsapp:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 28px rgba(37, 211, 102, 0.5);
    }

    .mobile-toggle {
      display: none;
      font-size: 1.3rem;
      cursor: pointer;
      color: #fff;
      background: rgba(255,255,255,0.1);
      width: 44px;
      height: 44px;
      border-radius: 10px;
      align-items: center;
      justify-content: center;
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.1);
      transition: all 0.3s ease;
      flex-shrink: 0;
    }

    /* Hero Section */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      padding: 140px 0 80px;
      z-index: 2;
    }

    .hero-content {
      max-width: 1100px;
      text-align: center;
      padding: 0 20px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0, 212, 170, 0.12);
      border: 1px solid rgba(0, 212, 170, 0.3);
      padding: 10px 20px;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 24px;
      backdrop-filter: blur(10px);
    }

    .hero h1 {
      font-size: clamp(2rem, 8vw, 4.5rem);
      line-height: 1.1;
      margin-bottom: 24px;
      font-weight: 900;
      background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.85) 50%, var(--secondary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.02em;
    }

    .hero p {
      font-size: clamp(1rem, 3vw, 1.3rem);
      color: rgba(255,255,255,0.8);
      margin-bottom: 36px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.6;
    }

    .hero-cta {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* Stats Section */
    .stats {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      gap: 20px;
      margin-top: 60px;
    }

    .stat-card {
      text-align: center;
      padding: 28px 20px;
      background: rgba(255, 255, 255, 0.04);
      border-radius: 16px;
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.06);
      transition: all var(--transition);
    }

    .stat-card:hover {
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(0, 212, 170, 0.3);
      transform: translateY(-4px);
    }

    .stat-number {
      font-size: clamp(2rem, 5vw, 3rem);
      font-weight: 900;
      background: linear-gradient(135deg, var(--secondary), #fff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: clamp(0.85rem, 2vw, 1rem);
      color: rgba(255,255,255,0.7);
      font-weight: 600;
    }

    /* Section Styling */
    .section {
      padding: 80px 0;
      position: relative;
      z-index: 2;
    }

    .section-title {
      text-align: center;
      margin-bottom: 60px;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0, 212, 170, 0.12);
      border: 1px solid rgba(0, 212, 170, 0.3);
      padding: 8px 18px;
      border-radius: 50px;
      font-size: 0.75rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 1.2px;
    }

    .section-title h2 {
      font-size: clamp(1.8rem, 6vw, 3.5rem);
      color: #fff;
      margin-bottom: 20px;
      font-weight: 900;
      letter-spacing: -0.02em;
      line-height: 1.1;
    }

    .section-title p {
      color: rgba(255,255,255,0.75);
      max-width: 740px;
      margin: 0 auto;
      font-size: clamp(1rem, 2.5vw, 1.2rem);
      line-height: 1.6;
    }

    /* Products Grid */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
      gap: 24px;
    }

    .product-card {
      background: rgba(255, 255, 255, 0.04);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
      transition: all var(--transition);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.06);
    }

    .product-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 60px rgba(0, 212, 170, 0.25);
      border-color: rgba(0,212,170,0.3);
    }

    .product-img {
      height: 220px;
      overflow: hidden;
      position: relative;
      background: linear-gradient(135deg, var(--dark), var(--primary));
    }

    .product-img::before {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 100px;
      background: linear-gradient(to top, rgba(13, 27, 42, 0.95), transparent);
      z-index: 1;
    }



    .product-img {
  height: 220px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--dark), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-img img {
  width: 100%;          /* image fills container width */
  height: 100%;         /* image fills container height */
  object-fit: cover;    /* maintain aspect ratio, crop if necessary */
  object-position: center;
  display: block;
  z-index: 0;           /* make sure overlay is on top */
}

.product-img::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, rgba(13, 27, 42, 0.95), transparent);
  z-index: 1;           /* overlay stays on top of image */
}






    .product-content {
      padding: 28px;
    }

    .product-content h3 {
      color: #fff;
      margin-bottom: 12px;
      font-size: clamp(1.3rem, 3vw, 1.6rem);
      font-weight: 800;
    }

    .product-content p {
      color: rgba(255,255,255,0.7);
      margin-bottom: 24px;
      line-height: 1.6;
      font-size: clamp(0.95rem, 2vw, 1.05rem);
    }

    /* Connect Section */
    .connect {
      background: rgba(10, 37, 64, 0.4);
    }

    .connect-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
      gap: 28px;
    }

    .connect-card {
      background: rgba(255, 255, 255, 0.05);
      padding: 40px 32px;
      border-radius: 20px;
      text-align: center;
      backdrop-filter: blur(15px);
      border: 1px solid rgba(255,255,255,0.08);
      transition: all var(--transition);
    }

    .connect-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 25px 60px rgba(0, 212, 170, 0.25);
    }

    .connect-icon {
      width: 72px;
      height: 72px;
      margin: 0 auto 24px;
      background: linear-gradient(135deg, var(--secondary), #00b894);
      border-radius: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
      color: var(--dark);
      box-shadow: 0 12px 32px rgba(0, 212, 170, 0.4);
    }

    .connect-card h3 {
      font-size: clamp(1.4rem, 4vw, 1.8rem);
      margin-bottom: 16px;
      color: #fff;
      font-weight: 800;
    }

    .connect-card p {
      color: rgba(255,255,255,0.75);
      line-height: 1.7;
      margin-bottom: 28px;
      font-size: clamp(0.95rem, 2vw, 1.05rem);
    }

    /* Testimonials */
    .testimonials {
      background: rgba(13, 27, 42, 0.6);
    }

    .testimonial-slider {
      max-width: 900px;
      margin: 0 auto;
    }

    .testimonial-track {
      position: relative;
      min-height: 320px;
    }

    .testimonial-slide {
      position: absolute;
      inset: 0;
      padding: 20px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 700ms ease;
    }

    .testimonial-slide.active {
      opacity: 1;
      pointer-events: auto;
    }

    .testimonial-content {
      background: rgba(255, 255, 255, 0.06);
      padding: 40px 32px;
      border-radius: 24px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
      min-height: 260px;
      backdrop-filter: blur(15px);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .testimonial-text {
      font-size: clamp(1rem, 2.5vw, 1.15rem);
      line-height: 1.7;
      color: rgba(255,255,255,0.9);
      margin-bottom: 28px;
      font-style: italic;
    }

    .testimonial-author {
      display: flex;
      gap: 16px;
      align-items: center;
    }

    .author-avatar img {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid var(--secondary);
    }

    .author-name {
      font-weight: 800;
      color: #fff;
      font-size: clamp(1rem, 2.5vw, 1.1rem);
      margin-bottom: 4px;
    }

    .author-role {
      color: rgba(255,255,255,0.65);
      font-size: clamp(0.85rem, 2vw, 0.95rem);
      line-height: 1.4;
    }

    .testimonial-controls {
      display: flex;
      gap: 20px;
      justify-content: center;
      margin-top: 40px;
      align-items: center;
    }

    .tn-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255,255,255,0.25);
      cursor: pointer;
      transition: all 400ms ease;
    }

    .tn-dot.active {
      background: var(--secondary);
      transform: scale(1.4);
    }

    .tn-arrow {
      background: rgba(255, 255, 255, 0.06);
      border-radius: 12px;
      padding: 12px 16px;
      cursor: pointer;
      border: 1px solid rgba(255,255,255,0.12);
      color: #fff;
      backdrop-filter: blur(10px);
      transition: all 300ms ease;
      font-size: 1rem;
    }

    .tn-arrow:hover {
      background: rgba(0,212,170,0.15);
      border-color: rgba(0,212,170,0.4);
    }

    /* Contact Section */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 48px;
    }

    .contact-info {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .contact-item {
      display: flex;
      gap: 18px;
      align-items: flex-start;
      padding: 24px;
      background: rgba(255, 255, 255, 0.04);
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,0.06);
      transition: all var(--transition);
    }

    .contact-item:hover {
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(0, 212, 170, 0.35);
      transform: translateX(8px);
    }

    .contact-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--secondary), #00b894);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--dark);
      font-size: 1.3rem;
      flex-shrink: 0;
    }

    .contact-details h4 {
      color: #fff;
      margin-bottom: 6px;
      font-size: clamp(1rem, 2.5vw, 1.1rem);
      font-weight: 700;
    }

    .contact-details p {
      color: rgba(255,255,255,0.8);
      line-height: 1.6;
      font-size: clamp(0.9rem, 2vw, 1rem);
    }

    .contact-form {
      background: rgba(255, 255, 255, 0.06);
      padding: 40px 28px;
      border-radius: 24px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
      backdrop-filter: blur(15px);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .form-group {
      margin-bottom: 24px;
    }

    .form-group label {
      display: block;
      margin-bottom: 8px;
      color: rgba(255,255,255,0.95);
      font-weight: 700;
      font-size: 0.95rem;
    }

    .form-control {
      width: 100%;
      padding: 16px 20px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,0.12);
      font-size: 1rem;
      background: rgba(255,255,255,0.06);
      color: #fff;
      transition: all 300ms ease;
      font-family: inherit;
    }

    .form-control::placeholder {
      color: rgba(255,255,255,0.4);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--secondary);
      background: rgba(255,255,255,0.08);
      box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.12);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 130px;
    }

    .error-msg {
      color: #ff6b6b;
      display: none;
      margin-top: 6px;
      font-size: 0.85rem;
    }

    /* Footer */
    footer {
      background: rgba(7, 15, 28, 0.96);
      padding: 50px 0 20px;
      color: rgba(255,255,255,0.7);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
      gap: 32px;
      margin-bottom: 32px;
    }

    .footer-col h3 {
      color: var(--secondary);
      margin-bottom: 16px;
      font-size: clamp(1.1rem, 3vw, 1.3rem);
      font-weight: 800;
    }

    .footer-col p {
      line-height: 1.6;
      font-size: 0.9rem;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col li {
      margin-bottom: 8px;
    }

    .footer-col a {
      color: rgba(255,255,255,0.7);
      transition: all 0.3s ease;
      display: inline-block;
      font-size: 0.9rem;
    }

    .footer-col a:hover {
      color: var(--secondary);
      transform: translateX(4px);
    }

    .social-links {
      display: flex;
      gap: 10px;
      margin-top: 16px;
      flex-wrap: wrap;
    }

    .social-links a {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(255,255,255,0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      transition: all 0.3s ease;
      border: 1px solid rgba(255,255,255,0.08);
    }

    .social-links a:hover {
      background: var(--secondary);
      color: var(--dark);
      transform: translateY(-4px);
    }

    .copyright {
      margin-top: 32px;
      text-align: center;
      color: rgba(255,255,255,0.5);
      padding-top: 24px;
      border-top: 1px solid rgba(255,255,255,0.08);
      font-size: 0.85rem;
      line-height: 1.6;
    }

    .copyright .developer {
      display: block;
      margin-top: 8px;
      color: rgba(255,255,255,0.6);
      font-size: 0.8rem;
    }

    .copyright .developer a {
      color: var(--secondary);
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .copyright .developer a:hover {
      color: #fff;
    }

    /* WhatsApp Float */
    .whatsapp-float {
      position: fixed;
      right: 20px;
      bottom: 20px;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), #128C7E);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
      z-index: 1200;
      color: white;
      font-size: 28px;
      cursor: pointer;
      transition: all 300ms ease;
    }

    .whatsapp-float:hover {
      transform: scale(1.1);
      box-shadow: 0 12px 40px rgba(37, 211, 102, 0.6);
    }

    .whatsapp-label {
      display: none;
    }

    /* Toast */
    #toast {
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 40px;
      background: linear-gradient(135deg, var(--secondary), #00b894);
      color: var(--dark);
      padding: 16px 28px;
      border-radius: 16px;
      box-shadow: 0 12px 40px rgba(0, 212, 170, 0.4);
      display: none;
      z-index: 1400;
      font-weight: 700;
      font-size: 0.95rem;
      max-width: 90%;
      text-align: center;
    }

    /* Utility */
    .mt-12 {
      margin-top: 12px;
    }

    /* Desktop Optimizations */
    @media (min-width: 769px) {
      .contact-grid {
        grid-template-columns: 1fr 1.3fr;
        gap: 64px;
      }

      .contact-form {
        padding: 52px 40px;
      }

      .whatsapp-label {
        display: flex;
        position: fixed;
        right: 95px;
        bottom: 32px;
        background: rgba(255, 255, 255, 0.12);
        padding: 14px 20px;
        border-radius: 16px;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-weight: 700;
        z-index: 1200;
        opacity: 0;
        transition: all 300ms ease;
        backdrop-filter: blur(15px);
        border: 1px solid rgba(255,255,255,0.15);
        pointer-events: none;
      }

      .whatsapp-float:hover + .whatsapp-label {
        opacity: 1;
        transform: translateX(0);
      }

      .whatsapp-float {
        right: 32px;
        bottom: 32px;
        width: 64px;
        height: 64px;
        font-size: 32px;
      }
    }

    /* Tablet & Mobile */
    @media (max-width: 900px) {
      .nav-menu {
        display: none;
      }
      
      .mobile-toggle {
        display: flex;
      }

      .nav-menu.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(7, 15, 28, 0.98);
        backdrop-filter: blur(20px);
        padding: 28px 20px;
        border-radius: 0 0 20px 20px;
        box-shadow: 0 20px 60px rgba(0,0,0,0.5);
        gap: 16px;
        align-items: stretch;
        z-index: 1000;
      }

      .nav-menu.mobile-open .nav-link {
        padding: 12px;
        text-align: center;
        background: rgba(255,255,255,0.05);
        border-radius: 12px;
      }

      .nav-menu.mobile-open .btn {
        width: 100%;
        justify-content: center;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 60px 0;
      }
      
      .hero {
        padding: 120px 0 60px;
        min-height: 90vh;
      }

      .section-title {
        margin-bottom: 48px;
      }

      .stats {
        margin-top: 48px;
        gap: 16px;
      }

      .stat-card {
        padding: 24px 16px;
      }

      .products-grid,
      .connect-cards {
        gap: 20px;
      }

      .product-card,
      .connect-card {
        border-radius: 16px;
      }

      .product-img {
        height: 200px;
      }

      .product-content,
      .connect-card {
        padding: 24px;
      }

      .testimonial-track {
        min-height: 360px;
      }

      .testimonial-content {
        padding: 32px 24px;
      }

      .contact-form {
        padding: 32px 24px;
      }

      .form-group {
        margin-bottom: 20px;
      }

      .footer-grid {
        gap: 32px;
      }

      footer {
        padding: 56px 0 24px;
      }
    }

    @media (max-width: 576px) {
      html {
        scroll-padding-top: 70px;
      }

      header {
        padding: 12px 0;
      }

      header.scrolled {
        padding: 8px 0;
      }

      .container {
        width: 94%;
      }

      .logo-mark {
        width: 55px;
        height: 55px;
        font-size: 1.2rem;
      }

      .logo-txt .title {
        font-size: 1.05rem;
      }

      .logo-txt .tag {
        font-size: 0.6rem;
      }

      .mobile-toggle {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
      }

      .hero {
        padding: 100px 0 50px;
        min-height: 85vh;
      }

      .hero-badge {
        padding: 8px 16px;
        font-size: 0.75rem;
        gap: 6px;
      }

      .hero-cta {
        flex-direction: column;
        gap: 12px;
      }

      .hero-cta .btn {
        width: 100%;
        padding: 14px 20px;
      }

      .section {
        padding: 50px 0;
      }

      .section-title {
        margin-bottom: 40px;
      }

      .section-badge {
        font-size: 0.7rem;
        padding: 6px 14px;
      }

      .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-top: 40px;
      }

      .stat-card {
        padding: 20px 12px;
        border-radius: 14px;
      }

      .products-grid {
        gap: 16px;
      }

      .product-card {
        border-radius: 14px;
      }

      .product-img {
        height: 180px;
      }

      .product-content {
        padding: 20px;
      }

      .connect-cards {
        gap: 16px;
      }

      .connect-card {
        padding: 32px 24px;
        border-radius: 14px;
      }

      .connect-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
        border-radius: 14px;
      }

      .testimonial-track {
        min-height: 400px;
      }

      .testimonial-slide {
        padding: 10px;
      }

      .testimonial-content {
        padding: 28px 20px;
        border-radius: 16px;
        min-height: 300px;
      }

      .author-avatar img {
        width: 48px;
        height: 48px;
      }

      .testimonial-controls {
        margin-top: 32px;
        gap: 16px;
      }

      .tn-dot {
        width: 8px;
        height: 8px;
      }

      .tn-arrow {
        padding: 10px 14px;
        font-size: 0.9rem;
      }

      .contact-grid {
        gap: 32px;
      }

      .contact-info {
        gap: 16px;
      }

      .contact-item {
        padding: 20px;
        border-radius: 14px;
        gap: 14px;
      }

      .contact-icon {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
        border-radius: 12px;
      }

      .contact-form {
        padding: 28px 20px;
        border-radius: 16px;
      }

      .form-control {
        padding: 14px 18px;
        font-size: 0.95rem;
      }

      textarea.form-control {
        min-height: 120px;
      }

      .btn {
        padding: 13px 20px;
        font-size: 0.9rem;
      }

      footer {
        padding: 48px 0 20px;
      }

      .footer-grid {
        gap: 20px;
        margin-bottom: 20px;
        grid-template-columns: 1fr;
      }

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

      .copyright {
        padding-top: 16px;
      }

      .social-links {
        gap: 8px;
      }

      .social-links a {
        width: 40px;
        height: 40px;
      }

      .whatsapp-float {
        right: 16px;
        bottom: 16px;
        width: 52px;
        height: 52px;
        font-size: 24px;
      }

      #toast {
        font-size: 0.9rem;
        padding: 14px 20px;
        bottom: 30px;
      }
    }

    /* Extra Small Devices */
    @media (max-width: 380px) {
      .container {
        width: 96%;
      }

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

      .hero-badge {
        font-size: 0.7rem;
        padding: 7px 14px;
      }

      .product-img {
        height: 160px;
      }

      .testimonial-track {
        min-height: 440px;
      }
    }

    /* Landscape Mobile */
    @media (max-height: 500px) and (orientation: landscape) {
      .hero {
        min-height: auto;
        padding: 100px 0 40px;
      }

      .stats {
        margin-top: 32px;
      }
    }

    /* Touch Device Optimizations */
    @media (hover: none) and (pointer: coarse) {
      .btn {
        padding: 14px 24px;
        min-height: 44px;
      }

      .nav-link {
        padding: 12px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .contact-item,
      .product-card,
      .connect-card {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
      }

      .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
      }
    }

    /* Accessibility */
    @media (prefers-reduced-motion: reduce) {
      * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }
    }

    /* High Contrast Mode */
    @media (prefers-contrast: high) {
      body {
        background: #000;
      }

      .btn-primary,
      .btn-whatsapp {
        border: 2px solid currentColor;
      }

      .product-card,
      .connect-card,
      .testimonial-content {
        border: 2px solid rgba(255,255,255,0.3);
      }
    }

    /* Print Styles */
    @media print {
      header {
        position: static;
      }

      .whatsapp-float,
      .whatsapp-label,
      .mobile-toggle,
      #toast {
        display: none !important;
      }

      body::before {
        display: none;
      }
    }