/**
 * SREE KRISHNA ENTERPRIZES - RESPONSIVE & MULTI-ZOOM SCALING ENGINE
 * Optimized for natural browser zooming (100%, 90%, 80%, 75%, 67%, 50%, 33%, 25%)
 * and seamless cross-device responsiveness across:
 * - 🖥️ Ultra-Wide / 4K / High-Zoom-Out (2000px - 4000px+)
 * - 🖥️ Large Desktop / 75%-80% Zoom (1441px - 1999px)
 * - 💻 Standard Laptop & Desktop (1025px - 1440px)
 * - 📱 Tablet Landscape (769px - 1024px)
 * - 📱 Tablet Portrait & Phablets (481px - 768px)
 * - 📱 Standard Mobile (376px - 480px)
 * - 📱 Small Mobile (320px - 375px)
 */

/* ==========================================================================
   0. Global Base Scaling & Full-Bleed Alignment
   ========================================================================== */
html {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-bar,
.header-brand-bar,
.header-nav-bar,
.section,
.spares-section,
.footer {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Ensure all flex & grid items shrink safely without forcing horizontal overflow */
.hero-content,
.hero-media-wrapper,
.about-text,
.owner-card,
.product-card,
.loom-showcase-card,
.trust-card,
.why-card,
.spares-brand-card,
.global-reach-wrap,
.quote-wrapper,
.contact-info-card {
  min-width: 0;
  box-sizing: border-box;
}

/* ==========================================================================
   1. Ultra-Wide & Deep Zoom-Out Scaling (min-width: 2000px)
   ========================================================================== */
@media screen and (min-width: 2000px) {
  .container,
  .spares-container {
    max-width: 1480px;
    margin-left: auto;
    margin-right: auto;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
    gap: 2.5rem;
  }

  .global-countries-grid {
    grid-template-columns: repeat(7, 1fr);
    gap: 1.15rem;
  }
}

/* ==========================================================================
   2. Large Desktop & Moderate Zoom-Out (1441px - 1999px)
   ========================================================================== */
@media screen and (min-width: 1441px) {
  .container,
  .spares-container {
    max-width: var(--container-max-width-xl, 1360px);
    margin-left: auto;
    margin-right: auto;
  }

  .hero-grid {
    grid-template-columns: 1.2fr 0.95fr;
    gap: 4.5rem;
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.25rem;
  }

  .accessories-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .why-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
    gap: 3rem;
  }

  .global-countries-grid {
    grid-template-columns: repeat(7, 1fr);
    gap: 0.85rem;
  }
}

/* ==========================================================================
   3. Medium Laptop & Compact Desktop (max-width: 1200px)
   ========================================================================== */
@media screen and (max-width: 1200px) {
  .nav-list {
    gap: 0.65rem;
  }

  .nav-link {
    font-size: 0.8rem;
    padding: 0.85rem 0.05rem;
    white-space: nowrap;
  }

  .brand-official-logo {
    height: 84px;
  }

  .brand-main-title {
    font-size: 1.95rem;
  }

  .global-countries-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ==========================================================================
   4. Tablet Landscape (max-width: 1024px)
   ========================================================================== */
@media screen and (max-width: 1024px) {
  .nav-list {
    gap: 0.4rem;
  }

  .nav-link {
    font-size: 0.735rem;
    padding: 0.8rem 0.05rem;
    white-space: nowrap;
  }

  .nav-actions .btn-secondary {
    padding: 0.38rem 0.65rem;
    font-size: 0.7rem;
  }

  .brand-official-logo {
    height: 78px;
  }

  .brand-main-title {
    font-size: 1.75rem;
  }

  .brand-tagline-text {
    font-size: 0.75rem;
  }

  .header-brand-features .header-feature-card:nth-child(2) {
    display: none;
  }

  .header-feature-card {
    padding: 0.4rem 0.65rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.75rem;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-contact-strip {
    justify-content: center;
  }

  .hero-media-wrapper {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.75rem;
  }

  .owner-card {
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .looms-showcase-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .accessories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .global-reach-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }

  .global-reach-wrap {
    padding: 3rem 2rem;
  }

  .global-countries-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
  }

  .global-origin-badge {
    margin-left: auto;
    margin-right: auto;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

/* ==========================================================================
   5. Tablet Portrait & Mobile Drawer Breakpoint (max-width: 768px)
   ========================================================================== */
@media screen and (max-width: 768px) {
  :root {
    --header-height: 74px;
  }

  .top-bar {
    display: none;
  }

  .header-brand-bar {
    padding: 0.5rem 0;
  }

  .header-brand-features {
    display: none;
  }

  .brand-official-logo {
    height: 64px;
  }

  .brand-main-title {
    font-size: 1.35rem;
  }

  .brand-tagline-text {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
  }

  .header-nav-bar {
    min-height: 0;
    padding: 0;
    border: none;
    background: transparent;
  }

  .nav-bar-inner {
    min-height: 0;
    padding: 0;
  }

  .mobile-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    color: var(--brand-primary);
    background: var(--brand-light);
    border: 1px solid var(--border-color);
  }

  /* Slide-in Navigation Drawer */
  .main-nav {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 1.5rem clamp(1rem, 4vw, 1.5rem);
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
    gap: 1.5rem;
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 998;
  }

  .main-nav.mobile-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    width: 100%;
  }

  .nav-link {
    font-size: 1.0625rem;
    font-weight: 700;
    width: 100%;
    padding: 0.75rem 0.5rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color-light);
    border-radius: var(--radius-sm);
  }

  .nav-link:hover, .nav-link.active {
    color: var(--brand-primary);
    background-color: var(--brand-primary-light);
    padding-left: 0.85rem;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link-ebrochure {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-link-ebrochure .nav-brochure-icon {
    width: 16px;
    height: 16px;
  }

  .nav-actions {
    flex-direction: column;
    width: 100%;
    margin-top: 0.5rem;
  }

  .nav-actions .btn-secondary {
    width: 100%;
    text-align: center;
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero-title {
    font-size: clamp(1.85rem, 5.5vw, 2.5rem);
    margin: 1rem 0;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-badge-float {
    display: none;
  }

  .catalog-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .category-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    gap: 0.5rem;
  }

  .category-tabs::-webkit-scrollbar {
    height: 3px;
  }

  .category-tabs::-webkit-scrollbar-thumb {
    background: var(--brand-primary-light);
    border-radius: 3px;
  }

  .category-tab-btn {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 0.5rem 0.95rem;
    font-size: 0.8125rem;
  }

  .catalog-search-wrap {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .products-grid {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 1rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 1rem;
    /* Hide scrollbar visually but keep functionality */
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .products-grid::-webkit-scrollbar {
    display: none;
  }

  .product-card {
    flex: 0 0 78vw;
    max-width: 300px;
    min-width: 260px;
    scroll-snap-align: start;
    margin: 0;
  }

  .loom-showcase-card {
    padding: 1.5rem;
  }

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

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

  .about-features {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .spares-flow-container::before {
    left: 1.75rem;
  }

  .spares-brand-card {
    padding: 1rem;
    gap: 0.875rem;
  }

  .spares-brand-num {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 0.75rem;
  }

  .spares-brand-name {
    font-size: 1rem;
  }

  .spares-brand-desc {
    font-size: 0.8125rem;
  }

  .spares-viewer-topbar {
    padding: 0.75rem 1rem;
    gap: 0.75rem;
  }

  .spares-viewer-stage {
    min-height: 320px;
    max-height: 65vh;
    padding: 0.75rem;
  }

  .spares-stage-nav-btn {
    width: 2.5rem;
    height: 2.5rem;
  }

  .spares-stage-nav-btn.prev {
    left: 0.5rem;
  }

  .spares-stage-nav-btn.next {
    right: 0.5rem;
  }

  .spares-viewer-footer {
    padding: 0.875rem 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.875rem;
  }

  .spares-enquiry-actions {
    width: 100%;
    justify-content: stretch;
  }

  .spares-whatsapp-btn,
  .spares-quote-btn {
    flex: 1;
    justify-content: center;
    min-height: 44px;
    padding: 0.65rem 1rem;
  }

  .global-countries-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
  }

  .global-country-chip {
    padding: 0.45rem 0.6rem;
  }

  .country-chip-name {
    font-size: 0.75rem;
  }

  .quote-wrapper {
    padding: 2rem 1.25rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .form-group.full-width {
    grid-column: span 1;
  }

  .form-control {
    font-size: 1rem;
    min-height: 46px;
  }

  .contact-info-card {
    padding: 1.5rem;
  }

  .contact-buttons-strip {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-legal-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
  }

  .modal-overlay {
    padding: 0.75rem;
  }

  .modal-dialog {
    max-height: 92vh;
    border-radius: var(--radius-lg);
  }

  .modal-header {
    padding: 1rem 1.25rem;
  }

  .modal-title {
    font-size: 1.15rem;
  }

  .modal-body {
    padding: 1.25rem;
  }

  .floating-whatsapp {
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    right: 1rem;
    width: 50px;
    height: 50px;
  }

  .floating-whatsapp svg {
    width: 26px;
    height: 26px;
  }
}

/* ==========================================================================
   6. Standard Mobile (max-width: 480px)
   ========================================================================== */
@media screen and (max-width: 480px) {
  .header-brand-bar {
    padding: 0.4rem 0;
  }

  .brand-official-logo {
    height: 56px;
  }

  .brand-main-title {
    font-size: 1.2rem;
  }

  .brand-tagline-text {
    font-size: 0.58rem;
    letter-spacing: 0.08em;
  }

  .hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
  }

  .btn {
    min-height: 44px;
  }

  .btn-lg {
    font-size: 0.9375rem;
    padding: 0.8rem 1.25rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-contact-strip {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .trust-card {
    padding: 1.25rem;
  }

  .product-card-actions {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .product-card-actions .btn-whatsapp-sm {
    grid-column: span 1;
  }

  .product-card-actions .btn {
    width: 100%;
  }

  .spares-viewer-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .spares-viewer-title-block {
    text-align: left;
  }

  .spares-viewer-controls-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .spares-submodel-nav {
    padding: 0.5rem 0.75rem;
  }

  .spares-submodel-pill {
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
  }

  .spares-viewer-stage {
    min-height: 260px;
    max-height: 55vh;
  }

  .spares-stage-nav-btn {
    width: 2.25rem;
    height: 2.25rem;
  }

  .spares-enquiry-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
  }

  .spares-whatsapp-btn,
  .spares-quote-btn {
    width: 100%;
  }

  .global-countries-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .global-reach-wrap {
    padding: 2.25rem 1rem;
  }

  .global-title {
    font-size: 1.65rem;
  }

  .global-origin-badge {
    padding: 0.6rem 0.85rem;
    gap: 0.5rem;
  }

  .origin-text-label {
    font-size: 0.8125rem;
  }

  .owner-card {
    padding: 1.5rem 1rem;
  }

  .owner-img-wrap {
    max-width: 240px;
    height: 240px;
  }
}

/* ==========================================================================
   7. Ultra-Small Mobile (max-width: 360px)
   ========================================================================== */
@media screen and (max-width: 360px) {
  .brand-logo-link {
    gap: 0.65rem;
  }

  .brand-official-logo {
    height: 42px;
  }

  .brand-main-title {
    font-size: 1.05rem;
  }

  .brand-tagline-text {
    font-size: 0.52rem;
    letter-spacing: 0.05em;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .hero-title {
    font-size: 1.55rem;
  }

  .global-countries-grid {
    grid-template-columns: 1fr;
  }

  .owner-img-wrap {
    max-width: 200px;
    height: 200px;
  }
}