/**
 * ==============================================================================
 * OVERSEAS BRIDGE B2B - MASTER FUTURE-PROOF RESPONSIVE SYSTEM
 * ==============================================================================
 * Centralized, reusable, and future-proof responsive design foundation.
 * Ensures consistent behavior, zero horizontal scroll, fluid typography, 
 * adaptive grid/flexbox layouts, and touch accessibility across all devices:
 * - Small Mobiles (320px, 360px, 375px)
 * - Standard Mobiles (390px, 412px, 430px, 480px)
 * - Tablets (600px, 768px, 820px, 912px, 1024px)
 * - Laptops (1280px, 1366px, 1440px)
 * - Desktops & Ultrawide (1920px+)
 * - Browser Zoom Levels (75% to 150%)
 * ==============================================================================
 */

/* ==========================================================================
   1. FLUID RESPONSIVE TOKENS & DESIGN SYSTEM VARIABLES
   ========================================================================== */
:root {
  /* Fluid Spacing Tokens */
  --space-3xs: clamp(2px, 0.4vw, 4px);
  --space-2xs: clamp(4px, 0.8vw, 8px);
  --space-xs:  clamp(8px, 1.2vw, 12px);
  --space-sm:  clamp(12px, 1.8vw, 16px);
  --space-md:  clamp(16px, 2.5vw, 24px);
  --space-lg:  clamp(24px, 3.5vw, 36px);
  --space-xl:  clamp(32px, 4.5vw, 48px);
  --space-2xl: clamp(48px, 6.0vw, 72px);
  --space-3xl: clamp(64px, 8.0vw, 96px);

  /* Fluid Section Vertical Padding */
  --section-pad-sm: clamp(36px, 5vw, 60px);
  --section-pad-md: clamp(50px, 7vw, 90px);
  --section-pad-lg: clamp(70px, 9vw, 130px);

  /* Fluid Typography Scale */
  --text-h1: clamp(1.95rem, 4.2vw + 0.4rem, 3.85rem);
  --text-h2: clamp(1.60rem, 3.0vw + 0.3rem, 2.75rem);
  --text-h3: clamp(1.20rem, 2.0vw + 0.2rem, 1.85rem);
  --text-h4: clamp(1.05rem, 1.4vw + 0.1rem, 1.35rem);
  --text-body-lg: clamp(0.98rem, 1.1vw, 1.15rem);
  --text-body:    clamp(0.88rem, 0.95vw, 1.00rem);
  --text-body-sm: clamp(0.78rem, 0.85vw, 0.88rem);
  --text-caption: clamp(0.70rem, 0.75vw, 0.78rem);

  /* Container Max-Widths */
  --container-narrow: 960px;
  --container-standard: 1280px;
  --container-wide: 1440px;
  --container-fluid-padding: clamp(16px, 4vw, 32px);
}

/* ==========================================================================
   2. GLOBAL RESET & ZERO-OVERFLOW PROTECTION
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box !important;
}

html, body {
  max-width: 100vw !important;
  overflow-x: clip !important;
  position: relative !important;
  -webkit-text-size-adjust: 100%;
}

@supports not (overflow-x: clip) {
  html, body {
    overflow-x: hidden !important;
  }
}

/* Global Media & Embed Safety */
img, svg, video, canvas, iframe {
  max-width: 100% !important;
  height: auto;
}

/* Word Break Protection for Long URLs, Headings, and Badges */
h1, h2, h3, h4, h5, h6, p, span, a, li {
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* ==========================================================================
   3. REUSABLE CONTAINER & LAYOUT FOUNDATIONS
   ========================================================================== */
.theme-container,
.theme-container-wide,
.ob-container,
.container {
  width: 100% !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: var(--container-fluid-padding) !important;
  padding-right: var(--container-fluid-padding) !important;
}

.theme-container {
  max-width: var(--container-standard) !important;
}

.theme-container-wide {
  max-width: var(--container-wide) !important;
}

/* Reusable Fluid Grid System */
.grid-responsive-2 {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)) !important;
  gap: var(--space-md) !important;
}

.grid-responsive-3 {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)) !important;
  gap: var(--space-md) !important;
}

.grid-responsive-4 {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)) !important;
  gap: var(--space-md) !important;
}

/* Automatic responsive transformation of inline multi-column grids */
@media (max-width: 1024px) {
  div[style*="grid-template-columns: repeat(3, 1fr)"],
  div[style*="grid-template-columns: repeat(4, 1fr)"],
  div[style*="grid-template-columns: repeat(3,1fr)"],
  div[style*="grid-template-columns: repeat(4,1fr)"] {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)) !important;
    gap: 24px !important;
  }
  
  div[style*="grid-template-columns: 1fr 1fr"],
  div[style*="grid-template-columns: 1fr 1.2fr"],
  div[style*="grid-template-columns: 1.2fr 1fr"],
  div[style*="grid-template-columns: 1fr 1.08fr"],
  div[style*="grid-template-columns: 1.15fr 0.85fr"] {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
}

@media (max-width: 640px) {
  div[style*="grid-template-columns: repeat(2, 1fr)"],
  div[style*="grid-template-columns: repeat(2,1fr)"] {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  
  div[style*="padding: 50px"],
  div[style*="padding: 40px"],
  div[style*="padding: 36px"] {
    padding: clamp(16px, 4vw, 24px) !important;
  }
}

/* Reusable Responsive Button Group */
.btn-group-responsive {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  gap: 12px !important;
}

@media (max-width: 480px) {
  .btn-group-responsive {
    flex-direction: column !important;
    width: 100% !important;
  }
  .btn-group-responsive > a,
  .btn-group-responsive > button {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }
}

/* Responsive Table Wrapper */
.table-responsive-wrapper {
  width: 100% !important;
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-md);
  border-radius: 12px;
}

/* ==========================================================================
   4. MASTER DUAL HEADER & MOBILE NAVIGATION RESPONSIVENESS
   ========================================================================== */
.header-master-wrapper {
  width: 100% !important;
  max-width: 100vw !important;
}

.top-announcement-bar {
  padding: clamp(6px, 1.2vw, 9px) var(--container-fluid-padding) !important;
  font-size: clamp(0.72rem, 1vw, 0.85rem) !important;
  line-height: 1.35 !important;
}

.site-header {
  padding: clamp(8px, 1.5vw, 14px) 0 !important;
}

.custom-logo-link,
.brand-logo-wrap,
.brand-logo {
  max-height: clamp(32px, 4vw, 42px) !important;
}

.custom-logo,
.brand-logo img,
.brand-logo-wrap img {
  max-height: clamp(32px, 4vw, 42px) !important;
  width: auto !important;
}

/* Mobile Menu Drawer & Toggle */
@media (max-width: 1024px) {
  .nav-desktop {
    display: none !important;
  }

  .mobile-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    z-index: 10001;
    color: #080c16;
  }

  .mobile-nav-drawer {
    position: fixed !important;
    top: 0 !important;
    right: -100% !important;
    width: min(85vw, 360px) !important;
    height: 100vh !important;
    height: 100dvh !important;
    background: #ffffff !important;
    box-shadow: -10px 0 30px rgba(15, 23, 42, 0.15) !important;
    z-index: 10002 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    padding: 70px 24px 32px 24px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  .mobile-nav-drawer.active {
    right: 0 !important;
  }

  .mobile-close {
    position: absolute !important;
    top: 20px !important;
    right: 20px !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    background: #f1f5f9 !important;
    border: none !important;
    font-size: 1.5rem !important;
    line-height: 1 !important;
    color: #080c16 !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .mobile-nav-links {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
  }

  .mobile-nav-links li a {
    font-family: 'Outfit', sans-serif !important;
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    color: #080c16 !important;
    text-decoration: none !important;
    display: block !important;
    padding: 6px 0 !important;
    transition: color 0.2s ease !important;
  }

  .mobile-nav-links li a:hover {
    color: #e6b200 !important;
  }
}

@media (max-width: 480px) {
  .header-actions .btn-primary {
    padding: 8px 14px !important;
    font-size: 0.82rem !important;
  }
}

/* ==========================================================================
   5. HOME HERO SECTION & 4-CARD SPOTLIGHT SLIDER RESPONSIVENESS
   ========================================================================== */
.hero-section {
  padding-top: clamp(120px, 14vw, 170px) !important;
  padding-bottom: clamp(40px, 6vw, 80px) !important;
}

.hero-grid {
  display: grid !important;
  grid-template-columns: 1.15fr 0.85fr !important;
  gap: clamp(24px, 4vw, 48px) !important;
  align-items: center !important;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
  
  .hero-visual {
    grid-column: 1 !important;
    order: 2 !important;
    max-width: 540px !important;
    margin: 0 auto !important;
  }
}

/* Spotlight 4-Card Slider Fluid Safety */
.spotlight-badge-card.hero-proof-card {
  width: 100% !important;
  max-width: 600px !important;
  min-height: 128px !important;
  margin-top: clamp(14px, 2.5vw, 22px) !important;
  padding: clamp(12px, 2vw, 18px) clamp(14px, 2.5vw, 24px) !important;
  border-radius: clamp(16px, 2.5vw, 24px) !important;
  box-sizing: border-box !important;
  transition: border-color 0.3s ease, box-shadow 0.3s ease !important;
}

.spotlight-avatar-ring {
  width: clamp(52px, 8vw, 72px) !important;
  height: clamp(52px, 8vw, 72px) !important;
  min-width: clamp(52px, 8vw, 72px) !important;
  min-height: clamp(52px, 8vw, 72px) !important;
  aspect-ratio: 1 / 1 !important;
  flex-shrink: 0 !important;
}

#spotlight-author {
  font-size: clamp(0.88rem, 1.2vw, 1.05rem) !important;
  line-height: 1.28 !important;
  min-height: 2.56em !important;
  display: flex !important;
  align-items: center !important;
}

#spotlight-quote {
  font-size: clamp(0.75rem, 1.0vw, 0.86rem) !important;
  line-height: 1.38 !important;
  min-height: 2.8em !important;
  display: flex !important;
  align-items: center !important;
}

.spotlight-progress-wrap {
  width: clamp(75px, 12vw, 110px) !important;
  height: clamp(5px, 0.8vw, 7px) !important;
  flex-shrink: 0 !important;
}

@media (max-width: 480px) {
  .spotlight-badge-card.hero-proof-card {
    padding: 12px 14px !important;
    min-height: 112px !important;
  }
  
  .spotlight-badge-card .spotlight-avatar-ring {
    width: 48px !important;
    height: 48px !important;
    min-width: 48px !important;
    min-height: 48px !important;
  }
  
  #spotlight-author {
    font-size: 0.84rem !important;
    line-height: 1.22 !important;
    min-height: 2.5em !important;
    margin-bottom: 2px !important;
  }
  
  #spotlight-quote {
    font-size: 0.72rem !important;
    line-height: 1.3 !important;
    min-height: 2.6em !important;
  }
}

/* ==========================================================================
   6. SECTION 02: INDIA EXPANSION ROADMAP & STORYTELLING RESPONSIVENESS
   ========================================================================== */
.ob-section-2 {
  padding: var(--section-pad-md) 0 !important;
}

.ob-s2-master-grid {
  display: grid !important;
  grid-template-columns: 1fr 1.08fr !important;
  gap: clamp(24px, 4vw, 50px) !important;
  align-items: start !important;
}

@media (max-width: 1024px) {
  .ob-s2-master-grid {
    grid-template-columns: 1fr !important;
    gap: 36px !important;
  }
}

.ob-s2-roadmap-card {
  width: 100% !important;
  border-radius: clamp(20px, 3vw, 28px) !important;
  padding: clamp(20px, 3.5vw, 36px) !important;
  box-sizing: border-box !important;
}

.ob-s2-milestones-row {
  display: flex !important;
  justify-content: space-between !important;
  gap: 6px !important;
  position: relative !important;
  z-index: 2 !important;
}

.ob-s2-milestone .ob-s2-node-badge {
  width: clamp(36px, 5.5vw, 44px) !important;
  height: clamp(36px, 5.5vw, 44px) !important;
  font-size: clamp(0.72rem, 1vw, 0.82rem) !important;
}

.ob-s2-milestone.active-pulse .ob-s2-node-badge {
  width: clamp(40px, 6vw, 48px) !important;
  height: clamp(40px, 6vw, 48px) !important;
  font-size: clamp(0.76rem, 1.1vw, 0.88rem) !important;
}

.ob-s2-node-label {
  font-size: clamp(0.62rem, 0.9vw, 0.72rem) !important;
}

@media (max-width: 480px) {
  .ob-s2-milestones-row {
    gap: 3px !important;
  }
  
  .ob-s2-milestone .ob-s2-node-badge {
    width: 32px !important;
    height: 32px !important;
    font-size: 0.68rem !important;
    margin-bottom: 4px !important;
  }
  
  .ob-s2-milestone.active-pulse .ob-s2-node-badge {
    width: 36px !important;
    height: 36px !important;
    font-size: 0.74rem !important;
  }

  .ob-s2-node-label {
    font-size: 0.58rem !important;
    letter-spacing: -0.02em !important;
  }
}

.ob-s2-inspector-panel {
  padding: clamp(8px, 1.5vw, 12px) clamp(10px, 2vw, 16px) !important;
  border-radius: 12px !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
}

.ob-s2-metrics-row {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: clamp(10px, 2vw, 14px) !important;
}

@media (max-width: 520px) {
  .ob-s2-metrics-row {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   7. SECTIONS 03 TO 10: FLUID CARD GRIDS, TABLES & WIZARD
   ========================================================================== */
/* Interactive Comparison Tables */
.comparison-table-wrap {
  width: 100% !important;
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch;
}

/* Multi-Step Wizard Forms */
.wizard-form-container,
.lead-form-wrap,
.lead-form-wizard {
  width: 100% !important;
  max-width: 800px !important;
  margin: 0 auto !important;
  padding: clamp(20px, 4vw, 40px) !important;
  border-radius: clamp(16px, 3vw, 24px) !important;
  box-sizing: border-box !important;
}

.wizard-grid-2,
.option-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)) !important;
  gap: 14px !important;
}

/* Testimonial, Case Studies, Services & Industries Grids */
.testimonial-grid,
.case-studies-grid,
.services-grid,
.industries-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)) !important;
  gap: clamp(16px, 3vw, 28px) !important;
}

/* Accordion FAQs */
.faq-accordion-item {
  width: 100% !important;
  margin-bottom: 12px !important;
}

.faq-accordion-header {
  padding: clamp(14px, 2.5vw, 20px) !important;
  font-size: clamp(0.95rem, 1.2vw, 1.10rem) !important;
}

.faq-accordion-body {
  padding: 0 clamp(14px, 2.5vw, 20px) clamp(14px, 2.5vw, 20px) !important;
  font-size: clamp(0.85rem, 1.0vw, 0.95rem) !important;
}

/* ==========================================================================
   8. FOOTER RESPONSIVENESS
   ========================================================================== */
.site-footer,
.ob-s10-footer {
  padding-top: var(--section-pad-md) !important;
  padding-bottom: var(--space-lg) !important;
}

.footer-grid,
.ob-s10-grid {
  display: grid !important;
  grid-template-columns: 1.5fr repeat(3, 1fr) !important;
  gap: clamp(24px, 4vw, 48px) !important;
}

@media (max-width: 1024px) {
  .footer-grid,
  .ob-s10-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 600px) {
  .footer-grid,
  .ob-s10-grid {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
}

.sub-footer,
.ob-s10-bottom {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  flex-wrap: wrap !important;
  gap: 16px !important;
  padding-top: var(--space-md) !important;
  border-top: 1px solid rgba(15, 23, 42, 0.08) !important;
  margin-top: var(--space-xl) !important;
}

@media (max-width: 640px) {
  .sub-footer,
  .ob-s10-bottom {
    flex-direction: column !important;
    text-align: center !important;
    align-items: center !important;
  }
}

/* ==========================================================================
   8B. SECTION 6: DISCLAIMER NOTE RESPONSIVE ALIGNMENT
   ========================================================================== */
.ob-s6-bottom-disclaimer-row {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin-top: 18px !important;
  position: relative !important;
  z-index: 10 !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.ob-s6-cta-note {
  font-size: 0.85rem !important;
  color: #64748b !important;
  margin: 0 !important;
  font-style: italic !important;
  line-height: 1.4 !important;
  text-align: center !important;
}

@media (max-width: 768px) {
  .ob-s6-bottom-disclaimer-row {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 10px !important;
  }

  .ob-s6-cta-note {
    text-align: center !important;
    font-size: 0.78rem !important;
    max-width: 92% !important;
  }
}

/* ==========================================================================
   8C. SECTION 8: FAQ EDITORIAL IMAGE BADGE POSITIONING
   ========================================================================== */
.ob-s8-badge-strategy {
  top: auto !important;
  bottom: 14px !important;
  left: 14px !important;
  background: rgba(224, 242, 254, 0.95) !important;
  color: #0369a1 !important;
  border: 1px solid #bae6fd !important;
}

/* ==========================================================================
   8D. SECTION 9: INDIA OPERATIONS NETWORK ANIMATED CARD
   ========================================================================== */
.ob-s9-img-card-2.ob-s9-network-card {
  background: #0c152c !important;
  border: 3px solid #ffffff !important;
}

.ob-s9-network-svg {
  width: 100% !important;
  height: 100% !important;
  display: block !important;
}

@media (max-width: 768px) {
  .ob-s9-img-card-2 {
    width: 76% !important;
    height: 145px !important;
    top: 75px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ob-s9-node-pulse,
  .ob-s9-map-path,
  .ob-s9-data-packet {
    animation: none !important;
  }
}

/* ==========================================================================
   9. BROWSER ZOOM & TOUCH ACCESSIBILITY SAFEGUARDS
   ========================================================================== */
@media (hover: none) and (pointer: coarse) {
  /* Enforce Touch Targets >= 44px */
  a, button, input, select, textarea, .clickable-node, .ob-s2-milestone {
    min-height: 44px;
    touch-action: manipulation;
  }

  /* Reveal hover details on tap */
  .hover-trigger-active {
    opacity: 1 !important;
    visibility: visible !important;
  }
}

/* Print Style Safety */
@media print {
  .header-master-wrapper,
  .mobile-nav-drawer,
  .ob-s2-track-stroke,
  .hero-visual {
    display: none !important;
  }
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
}