/* ===========================
   Global Responsive Overrides
   =========================== */

/* Container */
@media (max-width: 768px) {
  .container {
    width: 100%;
    padding: 0 10px;
  }
}
@media (max-width: 480px) {
  .container {
    width: 100%;
    padding: 0 5px;
  }
}

/* Navbar (hamburger menu) */
@media (max-width: 480px) {
  nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
    position: relative;
    height: auto;
    z-index: 1000; /* keep nav above page content */

     }
  nav .logo img { 
    height: 75px; 
    object-fit: contain;
    margin: 0;
     }
   
   .nav-text {
     display: block;
     position: absolute;           /* place text independently */
     left: 50%;                    /* move to center horizontally */
     transform: translateX(-50%);  /* perfect centering */
     font-size: 20px;
     font-weight: bold;
     color: #004080;
     white-space: nowrap;          /* prevent wrapping */
    z-index: 1001;                /* ensure it sits above other items */
   }
  .menu-toggle { 
    display: block; 
    margin-right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    color: #333;
    cursor: pointer;
    z-index: 1001; /* ensure toggle stays clickable */
   }
  /* Backdrop overlay */
  .menu-backdrop {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 999;
  }
  .menu-backdrop.show { 
    display: block;
   }

  nav ul {
    flex-direction: column;
    align-items: flex-start;
    background: #ffffff;
    position: fixed;
    top: 65px;
    right:-250px;
    width: 170px;
    padding:  20px;
    border-radius: 6px;
    border-left: 1px solid #ddd;
    box-shadow: -4px 0 12px rgba(0,0,0,0.15);    

    transition: right 0.3s ease;
    z-index: 1002; /* ensures menu overlays content */
  }
  nav ul.show { 
    right: 0;
   }
  nav ul li { 
    margin: 8px 0;
    width: 100%;
   }

  nav ul li a {
    display: block;
    width: 100%;
    padding: 8px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    border-radius: 4px;
    transition: background 0.2s ease color 0.2s ease;
  }

  nav ul li a:hover {
    background: #f0f0f0;
    color: #007bff;
  }
}

/* Hero Section */
@media (max-width: 768px) {
  .hero-section {
    padding: 20px;
    flex-direction: column;
    text-align: center;
  }

  .hero-text, .hero-image {
    max-width: 100%;
  }

  .hero {
    width: 100%;                 /* full width */
    height: auto;                /* flexible height */
    min-height: 420px;           /* taller for mobile */
    padding: 20px;
    background-size: cover;    /* show full image */
    background-repeat: no-repeat;
    background-position: center;
    margin-bottom: 20px;
  }

  .hero-content {
    width: 90%;                  /* more flexible than fixed 90% */
    margin-top: auto;
    text-align: left;
    padding: 15px;
  }

  .hero-content h2 {
    font-size: 20px;             /* readable on mobile */
  }

  .hero-content p {
    font-size: 12px;
    line-height: 1.4;
    text-align: left;
  }
  .hero-btn {
    display: inline-block;
    margin-top: 10px;
  }
}

@media (max-width: 480px) {
  .hero-section {
    min-height: 360px;           /* slightly smaller for very small screens */
    padding: 15px;
  }

  .hero-content h2 {
    font-size: 18px;
  }

  .hero-content p {
    font-size: 12px;
  }
}

/* Video Section */
@media (max-width: 768px) {
  .hero-video {
    width: 100%;
    height: auto;                /* remove fixed vh */
    min-height: 250px;
  }

  .background-video {
    width: 100%;
    height: auto;
    object-fit: contain;         /* show full video frame */
  }

  .hero-cool {
    top: auto;
    margin-top: 20px;
    text-align: center;
  }
}

/* Logo Grid */
@media (max-width: 992px) {
  .logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .logo-grid {
    grid-template-columns: 1fr;
    display: grid;
    gap: 15px;
  }
/* logo grid  animation */
  .logo-grid img {
    opacity: 0;
    animation-duration: 3s;
    animation-fill-mode: forwards;
  }

  /* Odd images slide in from left */
  .logo-grid img:nth-child(odd) {
    animation-name: slideInLeft;
  }

  /* Even images slide in from right */
  .logo-grid img:nth-child(even) {
    animation-name: slideInRight;
  }

  /* Staggered delays */
  .logo-grid img:nth-child(1) { animation-delay: 0s; }
  .logo-grid img:nth-child(2) { animation-delay: 0.2s; }
  .logo-grid img:nth-child(3) { animation-delay: 0.4s; }
  .logo-grid img:nth-child(4) { animation-delay: 0.6s; }
  .logo-grid img:nth-child(5) { animation-delay: 0.8s; }
  .logo-grid img:nth-child(6) { animation-delay: 1s; }
  .logo-grid img:nth-child(7) { animation-delay: 1.2s; }
  .logo-grid img:nth-child(8) { animation-delay: 1.4s; }
  .logo-grid img:nth-child(9) { animation-delay: 1.6s; }
  .logo-grid img:nth-child(10) { animation-delay: 1.8s; }
  .logo-grid img:nth-child(11) { animation-delay: 2s; }
}

/* Keyframes */
@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
/* Dual Image Section */
@media (max-width: 768px) {
  .dual-container {
    flex-direction: column;
  }
}

/* Footer */
footer p {
  text-align: center;
  font-size: 0.9rem;
}


/* ===========================
   About Page Responsive
   =========================== */

/* Hero Banner */
@media (max-width: 768px) {
  .about-banner {
    padding: 40px 15px;
  }
  .about-banner h1 {
    font-size: 28px;
  }
  .about-banner p {
    font-size: 16px;
  }
}
@media (max-width: 480px) {
  .about-banner {
    padding: 25px 10px;
  }
  .about-banner h1 {
    font-size: 24px;
  }
}

/* Sections */
@media (max-width: 768px) {
  .about-section {
    max-width: 100%;
    margin: 20px auto;
    padding: 15px;
    text-align: center;
  }
  .about-section h2 {
    font-size: 22px;
  }
  .about-section p {
    font-size: 14px;
  }
}

/* Highlight Offer */
@media (max-width: 768px) {
  .highlight-offer {
    padding: 20px;
    max-width: 100%;
  }
  .highlight-offer h2 {
    font-size: 24px;
  }
  .highlight-offer p {
    font-size: 16px;
  }
}

/* Lists */
@media (max-width: 480px) {
  .about-section ul {
    text-align: center;
    padding-left: 0;
  }
  .about-section ul li {
    font-size: 14px;
    margin: 8px 0;
    padding-left: 0;
  }
  .about-section ul li::before {
    position: static;
    margin-right: 5px;
  }
}

@media (max-width: 480px) {
  .hero-video {
    height: 50vh;
  }
  .hero-cool {
    top: 30%; /* bring button higher */
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .hero-content {
    width: 100%;
    padding: 20px;
    text-align: center;
  }
  .hero-content h2 {
    font-size: 24px;
  }
  .hero-content p {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .hero-dual {
    padding: 20px;
  }
}

@media (max-width: 992px) {
  .logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .logo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .contact-page {
    max-width: 100%;
    padding: 20px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .contact-page h1 {
     font-size: 24px;
     }
  .contact-page p {
     font-size: 14px; 
    }
}

@media (max-width: 480px) {
  .contact-info p { 
    font-size: 14px;
     line-height: 1.4;
     }
}

@media (max-width: 480px) {
  .contact-info iframe {
     height: 250px;
     }
}

@media (max-width: 480px) {
  .social-links a {
     font-size: 28px; 
      margin: 0 8px; 
    }
}

@media (max-width: 768px) {
  .trust-footer {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 15px;
    right: 15px;
  }
  .whatsapp-float img {
    width: 28px;
    height: 28px;
  }
}

/*===========================
   Warranty Page Responsive
   =========================== */

/* Tablet and mobile */
@media (max-width: 768px) {
  .register-page {
    background-color: #f5f5f5;   /* light gray background */
    background-image: none;      /* remove room image on mobile */
    padding: 30px 0;             /* spacing around the card */
  }

  .warranty-container {
    width: 90%;                  /* narrower than full screen */
    max-width: 500px;            /* cap width */
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;   /* white card */
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: left;            /* align text left for readability */
  }

  .warranty-container h2 {
    font-size: 22px;
  }

  .warranty-container p {
    font-size: 14px;
  }

  .warranty-container button {
    font-size: 14px;
    padding: 12px;
    transition: background 0.3s ease, transform 0.2s ease;
  }

  /* Hover effect (tablet/desktop with cursor) */
  .warranty-container button:hover {
    background: linear-gradient(145deg, #0055aa, #003366);
    transform: scale(1.02);
  }

  /* Tap/active effect (phones) */
  .warranty-container button:active {
    background: linear-gradient(145deg, #003366, #0055aa);
    transform: scale(0.98);
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.2);
  }
}

/* Small phones */
@media (max-width: 480px) {
  .register-page {
    background-color: #f5f5f5;
    padding: 20px 0;
  }

  .warranty-container {
    width: 80%;                  /* even narrower on small phones */
    max-width: 360px;
    margin: 0 auto;
    padding: 15px;
  }

  .warranty-container h2 {
    font-size: 20px;
  }

  .warranty-container form input,
  .warranty-container form select,
  .warranty-container form textarea {
    font-size: 10px;
    padding: 7px;
  }

  .warranty-container button {
    font-size: 14px;
    padding: 10px;
  }
}



@media (max-width: 768px) {
  .certificate-wrapper {
    width: 100% !important;
  }
  .certificate-bg {
    width: 100% !important;
    max-width: 100% !important;
  }
}

@media (max-width: 480px) {
  .customer-name { font-size: 20px; }
  .product-details, .serial { font-size: 14px; }
}

@media (max-width: 768px) {
  .status-container {
    min-height: auto;
    padding: 20px;
  }
}

@media (max-width: 768px) {
  .status-card {
    max-width: 100%;
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .status-card h2 {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .status-card form input,
  .status-card form button {
    font-size: 14px;
    padding: 10px;
  }
}

@media (max-width: 480px) {
  .info-message {
    font-size: 14px;
    line-height: 1.4;
  }
}

@media (max-width: 480px) {
  .status-icon {
    font-size: 36px;
  }
}

@media (max-width: 768px) {
  .status-card.error-card {
    max-width: 100%;
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .status-card.error-card h2 {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .error-message {
    font-size: 14px;
    line-height: 1.4;
  }
}

@media (max-width: 768px) {
  .product-row {
    gap: 12px;
    padding: 20px 10px;
  }
}

@media (max-width: 768px) {
  .product-card {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    
  }
}
@media (max-width: 480px) {
  .product-card {
    width: 100%;
    padding: 15px;
  }
  .product-card img {
    height: 120px;
  }
}


@media (max-width: 768px) {
  .filter-bar {
    flex-direction: column;
    align-items: center;
    font-size: 16px;
  }
  .filter-bar select {
    margin-top: 10px;
    font-size: 14px;
  }
}
@media (max-width: 768px) {
  .product-card .reviews {
    color: goldenrod;   /* or #FFD700 for pure gold */
    font-weight: bold;  /* optional: makes stars stand out */
  }
}


@media (max-width: 480px) {
  .badges {
    flex-direction: row;
    align-items: center;
  }
  .badges img {
    height: 30px;
  }
}

@media (max-width: 768px) {
  .trust-footer {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
}
/* ===========================
   Certificate Responsive Fixes
   =========================== */

/* Tablet view (≤768px) */
@media (max-width: 768px) {
  .page-wrapper {
    flex-direction: column !important; /* stack vertically */
    align-items: center !important;
  }

  .certificate-wrapper,
  .certificate-bg {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 20px auto;
    display: block !important;
  }

  .customer-name { font-size: 22px; }
  .product-details { font-size: 16px; }
  .serial { font-size: 16px; }

  .download-btn-wrapper {
    width: 100% !important;
    text-align: center !important;
    margin-top: 20px !important;
    clear: both;
  }

  #download-btn {
    width: 85% !important;
    font-size: 14px !important;
    padding: 6px 10px !important;
    margin: 0 auto !important;
    display: block !important;
  }
}

/* Mobile view (≤480px) */
@media (max-width: 480px) {
  .page-wrapper {
    flex-direction: column !important;
    align-items: center !important;
  }

  .certificate-wrapper,
  .certificate-bg {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 10px auto;
    display: block !important;
  }

  /* Overlay text aligned to certificate blanks */
  .customer-name {
    top: 35%;   /* adjusted for mobile */
    font-size: clamp(16px, 4vw, 20px);
  }

  .product-details {
    top: 53%;   /* adjusted for mobile layout */
    left: 45%;
    transform: translateX(-50%);
    font-size: clamp(6px, 3vw, 8px);
    line-height: 1.9;
    font-weight: 300;
    
  }

  .serial {
    top: 60%;    /* adjusted for mobile */
    left: 40%;
    transform: translateX(-50%);
    font-size: clamp(6px, 3vw, 8px);
    font-weight: 300;
    line-height: 1.9;
  }

  .download-btn-wrapper {
    width: 100% !important;
    text-align: center !important;
    margin-top: 20px !important;
    clear: both;
  }

  #download-btn {
    width: 85% !important;
    font-size: 13px !important;
    padding: 6px 10px !important;
    margin: 0 auto !important;
    display: block !important;
  }
}