/* ==========================================================================
   SRI CHEMENTOR PRIVATE LIMITED — INDUSTRIAL B2B STYLESHEET
   Design Language: Premium Chemical & Reaction Engineering Industrial UI
   Author: Mr.Teamwork Digital Systems
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Brand Palette */
  --navy-dark: #071324;
  --navy: #0A192F;
  --navy-surface: #0E2442;
  --navy-border: #1B355B;
  
  --slate-dark: #1E293B;
  --slate: #334155;
  --slate-muted: #64748B;
  --slate-light: #94A3B8;
  
  --bg-light: #F8FAFC;
  --bg-white: #FFFFFF;
  --border-light: #E2E8F0;
  --border-subtle: #F1F5F9;
  
  /* Accents */
  --cyan: #00D2D3;
  --cyan-glow: rgba(0, 210, 211, 0.2);
  --sky: #0284C7;
  --sky-hover: #0369A1;
  --hazard-gold: #F59E0B;
  --gold-hover: #D97706;
  --danger: #EF4444;
  --success: #10B981;
  
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;
  
  /* Elevations & Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px -5px rgba(10, 25, 47, 0.08), 0 8px 10px -6px rgba(10, 25, 47, 0.04);
  --shadow-hover: 0 20px 30px -10px rgba(10, 25, 47, 0.15);
  --shadow-glow: 0 0 25px rgba(0, 210, 211, 0.35);

  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1240px;
}

/* Base Reset & Accessibility */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--slate);
  background-color: var(--bg-white);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Grid & Layout System */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
}

.section-bg-light {
  background-color: var(--bg-light);
}

.section-bg-dark {
  background-color: var(--navy);
  color: #FFFFFF;
}

/* Background blueprint grid for technical industrial credibility */
.blueprint-pattern {
  background-image: 
    linear-gradient(to right, rgba(0, 210, 211, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 210, 211, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.blueprint-pattern-dark {
  background-color: var(--navy);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(0, 210, 211, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(2, 132, 199, 0.08) 0%, transparent 45%),
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

/* Typography Elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--navy-dark);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.section-bg-dark h1, 
.section-bg-dark h2, 
.section-bg-dark h3, 
.section-bg-dark h4 {
  color: #FFFFFF;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-primary {
  background: linear-gradient(135deg, var(--navy) 10%, var(--sky) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto var(--space-2xl) auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.badge-cyan {
  background: rgba(0, 210, 211, 0.12);
  color: #008788;
  border: 1px solid rgba(0, 210, 211, 0.3);
}

.section-bg-dark .badge-cyan {
  background: rgba(0, 210, 211, 0.15);
  color: var(--cyan);
  border-color: rgba(0, 210, 211, 0.4);
}

.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: #B45309;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--slate-muted);
  line-height: 1.65;
}

.section-bg-dark .section-subtitle {
  color: #94A3B8;
}

/* Button & Action Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--sky);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}
.btn-primary:hover {
  background-color: var(--sky-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);
}

.btn-gold {
  background-color: var(--hazard-gold);
  color: #071324;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}
.btn-gold:hover {
  background-color: var(--gold-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
}
.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.16);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--navy);
  border: 1px solid var(--border-light);
}
.btn-outline-dark:hover {
  border-color: var(--sky);
  color: var(--sky);
  background-color: rgba(2, 132, 199, 0.05);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   GLOBAL HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--navy-dark);
  border-bottom: 1px solid var(--navy-border);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  background-color: rgba(7, 19, 36, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  border-bottom-color: rgba(0, 210, 211, 0.2);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 1rem;
  transition: height var(--transition-fast);
}

.site-header.is-scrolled .header-container {
  height: 64px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #FFFFFF;
  font-family: var(--font-heading);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-mark {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--navy-surface), #133863);
  border: 1px solid var(--cyan);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 14px rgba(0, 210, 211, 0.2);
  color: var(--cyan);
}

.brand-logo-text {
  display: flex;
  flex-direction: column;
}

.brand-logo-name {
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: #FFFFFF;
  white-space: nowrap;
}

.brand-logo-name span {
  color: var(--cyan);
}

.brand-logo-tagline {
  font-size: 0.65rem;
  color: #94A3B8;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Nav Menu */
.nav-menu {
  display: none;
}

@media (min-width: 1200px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-shrink: 0;
  }
}

@media (min-width: 1380px) {
  .nav-menu {
    gap: 1.25rem;
  }
}

.nav-link {
  color: #CBD5E1;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.5rem 0.2rem;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

@media (min-width: 1380px) {
  .nav-link {
    font-size: 0.92rem;
  }
}

.nav-link:hover,
.nav-link.active {
  color: #FFFFFF;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  z-index: 1010;
  transition: all var(--transition-fast);
}

.mobile-nav-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--cyan);
}

.mobile-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-nav-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1200px) {
  .mobile-nav-toggle {
    display: none;
  }
}

/* Header responsiveness on mobile and tablets */
@media (max-width: 680px) {
  .header-actions .btn-gold,
  .header-actions .btn-secondary {
    display: none; /* Hide header quote button on small screens so logo and hamburger have ample room */
  }
  .brand-logo-name {
    font-size: 1.1rem;
  }
  .brand-logo-mark {
    width: 36px;
    height: 36px;
  }
  .brand-logo-tagline {
    font-size: 0.58rem;
    letter-spacing: 0.04em;
  }
}

@media (max-width: 400px) {
  .brand-logo-tagline {
    display: none; /* Keep logo clean on narrow mobile viewports */
  }
  .brand-logo-name {
    font-size: 1.05rem;
  }
}

/* ==========================================================================
   MOBILE NAV DRAWER & CLOSE 'X' BUTTON
   ========================================================================== */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--navy-dark);
  border-left: 1px solid var(--navy-border);
  padding: 1.25rem 1.25rem 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  z-index: 1005;
  transition: right var(--transition-normal);
  overflow-y: auto;
  box-shadow: -10px 0 35px rgba(0,0,0,0.65);
}

.mobile-drawer.is-open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(7, 19, 36, 0.75);
  backdrop-filter: blur(5px);
  z-index: 1004;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.mobile-drawer-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* Drawer Header with Close Button */
.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 0.5rem;
}

.mobile-drawer-close {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-sm);
  color: #CBD5E1;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-drawer-close:hover,
.mobile-drawer-close:focus {
  background: rgba(239, 68, 68, 0.18);
  border-color: #EF4444;
  color: #EF4444;
  transform: scale(1.06);
}

.mobile-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.75rem;
  flex-grow: 1;
}

.mobile-drawer-nav a {
  color: #E2E8F0;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 0.75rem 0.65rem;
  border-radius: var(--radius-sm);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-drawer-nav a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--cyan);
  padding-left: 0.9rem;
}

.mobile-drawer-nav a.active {
  color: var(--cyan);
  background: rgba(0, 210, 211, 0.08);
  border-left: 3px solid var(--cyan);
}

.mobile-drawer-footer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Breadcrumbs */
.breadcrumbs-bar {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-light);
  padding: 0.75rem 0;
  font-size: 0.85rem;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  color: var(--slate-muted);
}

.breadcrumbs a {
  color: var(--sky);
}
.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs-separator {
  color: var(--slate-light);
}

.breadcrumbs-current {
  color: var(--navy-dark);
  font-weight: 600;
}

/* ==========================================================================
   CARDS & GRIDS
   ========================================================================== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 640px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Industrial Card */
.industrial-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.industrial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #CBD5E1;
}

.industrial-card-dark {
  background-color: var(--navy-surface);
  border: 1px solid var(--navy-border);
  color: #FFFFFF;
}

.industrial-card-dark:hover {
  border-color: var(--cyan);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(2, 132, 199, 0.1);
  color: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.industrial-card-dark .card-icon {
  background: rgba(0, 210, 211, 0.12);
  color: var(--cyan);
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.card-text {
  color: var(--slate-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.industrial-card-dark .card-text {
  color: #94A3B8;
}

/* Placeholder Media Frame */
.media-placeholder-frame {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #0A192F 0%, #173860 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--navy-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #94A3B8;
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.media-placeholder-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

.media-placeholder-icon {
  width: 48px;
  height: 48px;
  color: var(--cyan);
  opacity: 0.75;
  margin-bottom: 0.5rem;
  z-index: 1;
}

.media-placeholder-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: #CBD5E1;
  z-index: 1;
  text-align: center;
  padding: 0 1rem;
}

.media-placeholder-tag {
  font-size: 0.7rem;
  color: var(--cyan);
  background: rgba(0, 210, 211, 0.15);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-top: 0.35rem;
  z-index: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   AUTHENTIC BUSINESS & PRODUCT PHOTO FRAMES
   ========================================================================== */
.media-photo-frame {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-md);
  background-color: #071324;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.industrial-card-dark .media-photo-frame {
  border-color: rgba(0, 210, 211, 0.25);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

.media-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

.industrial-card:hover .media-photo-frame img {
  transform: scale(1.06);
}

.media-photo-badge {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(7, 19, 36, 0.88);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 210, 211, 0.4);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.media-photo-badge .badge-dot {
  width: 6px;
  height: 6px;
  background: #10B981;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 6px #10B981;
}

/* Hero Authentic Photo Showcase Component */
.hero-photo-showcase {
  width: 100%;
  max-width: 500px;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 210, 211, 0.35);
  background: rgba(14, 36, 66, 0.65);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.6), 0 0 35px rgba(0, 210, 211, 0.18);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.hero-photo-showcase:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7), 0 0 45px rgba(0, 210, 211, 0.25);
  border-color: rgba(0, 210, 211, 0.6);
}

.hero-photo-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background-color: #071324;
}

.hero-photo-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-photo-showcase:hover .hero-photo-img-wrap img {
  transform: scale(1.04);
}

.hero-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 19, 36, 0.15) 0%, rgba(7, 19, 36, 0.8) 100%);
  pointer-events: none;
}

.hero-photo-top-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7, 19, 36, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 210, 211, 0.5);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  z-index: 3;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.hero-photo-logo-stamp {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 44px;
  height: 44px;
  background: rgba(7, 19, 36, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(245, 158, 11, 0.6);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  padding: 4px;
}

.hero-photo-logo-stamp img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-photo-bottom-info {
  position: absolute;
  bottom: 12px;
  left: 14px;
  right: 14px;
  z-index: 3;
}

.hero-photo-caption {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.98rem;
  margin-bottom: 0.2rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.hero-photo-meta {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-photo-status-bar {
  background: rgba(7, 19, 36, 0.96);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-live-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: #CBD5E1;
  font-weight: 600;
}

.beacon-pulse {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  position: relative;
  display: inline-block;
}

.beacon-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid #10B981;
  animation: beaconPulseAnim 2s infinite;
}

@keyframes beaconPulseAnim {
  0% { transform: scale(0.9); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero-quick-specs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.spec-pill {
  font-size: 0.72rem;
  color: #94A3B8;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   AUTHENTIC GALLERY & SHOWCASE GRID
   ========================================================================== */
.gallery-section {
  padding: var(--space-4xl) 0;
}

.gallery-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: var(--space-2xl);
}

.gallery-filter-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #CBD5E1;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.gallery-filter-btn:hover {
  background: rgba(0, 210, 211, 0.15);
  border-color: var(--cyan);
  color: #FFFFFF;
}

.gallery-filter-btn.active {
  background: var(--sky);
  border-color: var(--sky);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

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

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-card {
  background: var(--navy-surface);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.gallery-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 210, 211, 0.45);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 210, 211, 0.12);
}

.gallery-card-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background-color: #071324;
}

.gallery-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-card:hover .gallery-card-thumb img {
  transform: scale(1.08);
}

.gallery-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(7, 19, 36, 0.88);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 210, 211, 0.4);
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  z-index: 2;
}

.gallery-card-source {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #E2E8F0;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius-sm);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.gallery-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.gallery-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.35rem;
}

.gallery-card-desc {
  font-size: 0.85rem;
  color: #94A3B8;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.gallery-card-footer {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--slate-muted);
}

/* ==========================================================================
   HOMEPAGE HERO & KEY SECTIONS
   ========================================================================== */
.hero-section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-4xl);
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-content {
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  color: #FFFFFF;
  margin-bottom: var(--space-md);
  font-weight: 800;
  line-height: 1.15;
}

.hero-sub {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: #94A3B8;
  margin-bottom: var(--space-xl);
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: var(--space-2xl);
}

.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--cyan);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Distillation Graphic */
.column-animation-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.column-svg-card {
  width: 100%;
  max-width: 440px;
  background: radial-gradient(circle at center, rgba(14, 36, 66, 0.8) 0%, rgba(7, 19, 36, 0.95) 100%);
  border: 1px solid rgba(0, 210, 211, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 210, 211, 0.15);
}

/* Trust Bar */
.trust-bar {
  background-color: var(--navy-dark);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
  padding: 1.5rem 0;
}

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

@media (min-width: 768px) {
  .trust-bar-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.5rem;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}
.trust-item:last-child {
  border-right: none;
}

.trust-item-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  font-family: var(--font-heading);
}

.trust-item-desc {
  font-size: 0.8rem;
  color: #94A3B8;
  margin-top: 0.2rem;
}

/* Filter Chips (Solvents Hub) */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-chip {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  color: var(--slate);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  border-color: var(--sky);
  color: var(--sky);
}

.filter-chip.active {
  background-color: var(--navy);
  color: #FFFFFF;
  border-color: var(--navy);
  box-shadow: 0 4px 12px rgba(10, 25, 47, 0.2);
}

/* Technical Specification Tables */
.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
  background-color: var(--bg-white);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.spec-table th, 
.spec-table td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.spec-table th {
  background-color: var(--bg-light);
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table tr:hover td {
  background-color: rgba(248, 250, 252, 0.7);
}

/* Confirmed vs Placeholder Tag */
.placeholder-tag {
  display: inline-block;
  background-color: #FEF3C7;
  color: #92400E;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px dashed #F59E0B;
}

/* Timeline Components */
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  position: relative;
  margin-top: var(--space-xl);
}

@media (min-width: 900px) {
  .timeline {
    grid-template-columns: repeat(5, 1fr);
  }
}

.timeline-step {
  display: flex;
  flex-direction: column;
  position: relative;
  padding: var(--space-md);
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.timeline-number {
  width: 36px;
  height: 36px;
  background-color: var(--navy);
  color: var(--cyan);
  font-family: var(--font-heading);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

/* FAQ Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 840px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--bg-white);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.accordion-header {
  padding: 1.15rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--navy-dark);
  font-size: 1.05rem;
  user-select: none;
}

.accordion-header:hover {
  background-color: var(--bg-light);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
  color: var(--sky);
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--slate-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  display: none;
}

.accordion-item.is-open .accordion-body {
  display: block;
}

/* ==========================================================================
   MULTI-STEP RFQ WIZARD (rfq.html)
   ========================================================================== */
.rfq-wizard-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  max-width: 820px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .rfq-wizard-card {
    padding: var(--space-2xl);
  }
}

.wizard-steps-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.wizard-steps-indicator::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 30px;
  right: 30px;
  height: 2px;
  background-color: var(--border-light);
  z-index: 1;
}

.wizard-step-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
  gap: 0.35rem;
}

.wizard-step-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--bg-white);
  border: 2px solid var(--slate-light);
  color: var(--slate);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.wizard-step-node.active .wizard-step-circle {
  border-color: var(--sky);
  background-color: var(--sky);
  color: #FFFFFF;
  box-shadow: 0 0 12px rgba(2, 132, 199, 0.4);
}

.wizard-step-node.completed .wizard-step-circle {
  border-color: var(--success);
  background-color: var(--success);
  color: #FFFFFF;
}

.wizard-step-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate-muted);
  text-transform: uppercase;
}

.wizard-step-node.active .wizard-step-title {
  color: var(--navy);
  font-weight: 700;
}

.rfq-step-pane {
  display: none;
}

.rfq-step-pane.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy-dark);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--navy-dark);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.radio-group-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 600px) {
  .radio-group-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.radio-card {
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.radio-card:hover {
  border-color: var(--sky);
  background-color: var(--bg-light);
}

.radio-card.selected {
  border-color: var(--sky);
  background-color: rgba(2, 132, 199, 0.04);
}

.wizard-actions {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   MODAL DIALOGS (Gated Downloads)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(7, 19, 36, 0.75);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: var(--space-2xl);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-fast);
}

.modal-overlay.is-active .modal-dialog {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--slate-muted);
  cursor: pointer;
}

/* ==========================================================================
   FLOATING WIDGETS & MOBILE BAR
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 85px;
  right: 20px;
  width: 56px;
  height: 56px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 990;
  transition: transform var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-3px);
  color: #FFFFFF;
}

.back-to-top {
  position: fixed;
  bottom: 85px;
  right: 85px;
  width: 44px;
  height: 44px;
  background-color: var(--navy);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--navy-border);
  z-index: 980;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

/* Mobile Sticky Bottom Action Bar */
.mobile-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--navy-dark);
  border-top: 1px solid var(--navy-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0.5rem 1rem;
  z-index: 995;
}

@media (min-width: 900px) {
  .mobile-action-bar {
    display: none;
  }
  .whatsapp-float {
    bottom: 30px;
  }
  .back-to-top {
    bottom: 30px;
  }
}

.mobile-action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mobile-action-call {
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  margin-right: 0.5rem;
}

.mobile-action-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--navy-dark);
  color: #94A3B8;
  border-top: 1px solid var(--navy-border);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }
}

.footer-col-title {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  position: relative;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a:hover {
  color: var(--cyan);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  line-height: 1.5;
}

.footer-contact-icon {
  width: 18px;
  height: 18px;
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.82rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

/* Reduced Motion Utility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}