/* ==========================================================================
   Cross-browser compatibility & extended responsive breakpoints
   Shivalik Rasayan Limited
   ========================================================================== */

/* --- Base fixes (Safari, Firefox, legacy Edge) --- */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
video {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

/* Safe area (notched phones / iOS) */
.site-header {
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

.back-to-top {
  right: calc(1rem + env(safe-area-inset-right, 0));
  bottom: calc(1rem + env(safe-area-inset-bottom, 0));
}

@supports (padding: max(0px)) {
  .site-header .container {
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
  }
}

/* Gradient text (Safari) */
.text-gradient {
  -webkit-text-fill-color: transparent;
}

/* Backdrop-filter fallback */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-header.scrolled,
  .site-header.menu-open {
    background: #ffffff !important;
  }

  .hero-badge,
  .glass-card {
    background: rgba(255, 255, 255, 0.96);
  }

  .glass-dark {
    background: rgba(26, 58, 92, 0.92);
  }
}

/* min() / dvh fallbacks for mobile menu */
@supports not (height: 100dvh) {
  .hero-section {
    min-height: 100vh;
  }

  @media (max-width: 991.98px) {
    .hero-section {
      min-height: 100vh;
    }

    .site-header .navbar-collapse {
      max-height: calc(100vh - var(--header-height) - 1rem);
    }
  }
}

@supports not (max-height: min(80vh, 100px)) {
  @media (max-width: 991.98px) {
    .site-header .navbar-collapse {
      max-height: 80vh;
    }
  }
}

/* ==========================================================================
   Large desktops (≥1400px)
   ========================================================================== */
@media (min-width: 1400px) {
  .section {
    padding: 5.5rem 0;
  }

  .hero-title {
    font-size: 3.35rem;
  }

  .section-subtitle {
    max-width: 680px;
  }
}

/* ==========================================================================
   Laptop / small desktop (992px – 1199px)
   ========================================================================== */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .site-header .nav-link {
    padding: 0.45rem 0.55rem !important;
    font-size: 0.88rem;
  }

  .site-header .nav-btn-cta {
    padding: 0.45rem 1rem !important;
    font-size: 0.88rem;
  }

  .logo-img {
    height: 42px;
    max-width: 185px;
  }
}

/* ==========================================================================
   Tablet landscape (768px – 991px)
   ========================================================================== */
@media (min-width: 768px) and (max-width: 991.98px) {
  .hero-content .col-lg-7 {
    max-width: 85%;
  }

  .product-card {
    padding: 1.5rem 1.25rem;
  }

  .industries-grid .col-lg-2 {
    width: 33.333%;
  }

  .stat-card {
    padding: 1.25rem 0.75rem;
  }

  .news-card .news-body h3 {
    font-size: 1rem;
  }
}

/* ==========================================================================
   Small phones (≤575px)
   ========================================================================== */
@media (max-width: 575.98px) {
  .hero-stats .col-4 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    padding-left: 0.35rem;
    padding-right: 0.35rem;
    text-align: center;
  }

  .hero-stats strong {
    font-size: 1.15rem;
  }

  .footer-brand-name {
    font-size: 1.2rem;
  }

  .logo-slider {
    mask-image: none;
    -webkit-mask-image: none;
  }
}

/* ==========================================================================
   Extra-small phones (≤360px)
   ========================================================================== */
@media (max-width: 359.98px) {
  :root {
    --header-height: 64px;
  }

  .hero-stats .col-4 {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 0.5rem;
  }

  .hero-title {
    font-size: 1.5rem !important;
  }

  .section-title {
    font-size: 1.4rem !important;
  }

  .navbar-brand {
    max-width: 58%;
  }

  .logo-img {
    height: 36px;
    max-width: 100%;
  }
}

/* ==========================================================================
   Landscape phones / short viewports
   ========================================================================== */
@media (max-height: 520px) and (orientation: landscape) {
  .hero-section {
    min-height: auto;
    padding-top: calc(var(--header-height) + 0.75rem);
    padding-bottom: 2rem;
  }

  .hero-section .min-vh-100 {
    min-height: auto !important;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .hero-scroll {
    display: none;
  }

  .hero-slider-dots {
    bottom: 0.75rem;
  }

  @media (max-width: 991.98px) {
    .site-header .navbar-collapse {
      max-height: calc(100vh - var(--header-height) - 0.5rem);
    }
  }
}

/* ==========================================================================
   Touch devices – larger tap targets
   ========================================================================== */
@media (hover: none) and (pointer: coarse) {
  .nav-link {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .dropdown-item {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .mobile-menu-toggle {
    min-width: 44px;
    min-height: 44px;
  }

  .back-to-top {
    width: 48px;
    height: 48px;
  }
}

/* ==========================================================================
   High contrast / forced colors (accessibility)
   ========================================================================== */
@media (forced-colors: active) {
  .site-header.scrolled {
    border-bottom: 1px solid CanvasText;
  }

  .btn-primary {
    border: 2px solid ButtonText;
  }

  .nav-link::after {
    background: Highlight;
  }
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
  .site-header,
  .back-to-top,
  .hero-scroll,
  .hero-slider-dots,
  .mobile-menu-toggle,
  .newsletter-form {
    display: none !important;
  }

  .hero-section {
    margin-top: 0;
    padding-top: 0;
    min-height: auto;
    color: #000;
  }

  .hero-overlay {
    display: none;
  }

  .hero-title,
  .hero-lead {
    color: #000 !important;
  }

  .section {
    padding: 1.5rem 0;
    break-inside: avoid;
  }

  a[href^='#']::after {
    content: '';
  }
}

/* ==========================================================================
   No-JS fallback – show reveal content
   ========================================================================== */
.no-js .reveal {
  opacity: 1;
  transform: none;
}