/* ==========================================================================
   ACCESO Servicios Industriales - acconstrucciones.mx
   Corporate High-End Landing Page Stylesheet (UI/UX Redesign)
   Pure Vanilla CSS3 - Mobile First - High Trust Industrial Aesthetics
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Brand Corporate Colors */
  --navy-950: #051329;
  --navy-900: #0B2545;
  --navy-850: #0F315B;
  --navy-800: #133E68;
  --navy-700: #1D5385;
  
  --blue-primary: #0077B6;
  --blue-hover: #005F92;
  --blue-light: #E0F2FE;
  --cyan-accent: #00B4D8;
  --cyan-glow: rgba(0, 180, 216, 0.4);
  
  --industrial-orange: #E65100;
  --industrial-amber: #D97706;
  --industrial-amber-light: #FEF3C7;
  
  --scm-emerald: #059669;
  --scm-emerald-dark: #064E3B;
  --scm-emerald-light: #D1FAE5;
  
  --whatsapp-green: #25D366;
  --whatsapp-dark: #1EBE5D;
  
  /* Neutral Palette */
  --slate-900: #0F172A;
  --slate-800: #1E293B;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50:  #F8FAFC;
  --white:     #FFFFFF;
  
  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Elevation Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(11, 37, 69, 0.12), 0 4px 8px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 35px -6px rgba(11, 37, 69, 0.16), 0 8px 16px -4px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 25px rgba(0, 180, 216, 0.35);
  
  /* Layout Dimensions */
  --container-width: 1240px;
  --header-height: 84px;
  --topbar-height: 40px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
  --transition-slow: 0.45s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--slate-800);
  background-color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

/* --- Container Utility --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   Top Announcement Bar (Contact & Industrial Zone)
   ========================================================================== */
.top-bar {
  background-color: var(--navy-950);
  color: var(--slate-300);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: none;
}

@media (min-width: 860px) {
  .top-bar {
    display: block;
  }
}

.top-bar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-height);
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-item svg {
  color: var(--cyan-accent);
  flex-shrink: 0;
}

.top-bar-item a:hover {
  color: var(--white);
}

.top-bar-badge {
  background-color: rgba(5, 150, 105, 0.25);
  color: #34D399;
  border: 1px solid rgba(52, 211, 153, 0.3);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

/* ==========================================================================
   Header & Sticky Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--slate-200);
  transition: all var(--transition-normal);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: none;
}

@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    list-style: none;
  }

  .nav-link {
    font-weight: 600;
    color: var(--slate-700);
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    background-color: var(--blue-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-fast);
  }

  .nav-link:hover {
    color: var(--blue-primary);
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

@media (min-width: 1024px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--navy-900);
  border-radius: 3px;
  transition: all var(--transition-fast);
}

.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(10.5px) rotate(45deg);
}

.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-10.5px) rotate(-45deg);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--white);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: 1050;
  overflow-y: auto;
  border-top: 1px solid var(--slate-200);
  box-shadow: var(--shadow-xl);
}

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

.mobile-nav-drawer .nav-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-900);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--slate-200);
  display: block;
}

.mobile-nav-drawer .nav-link:hover {
  color: var(--blue-primary);
  padding-left: 0.5rem;
}

/* ==========================================================================
   Buttons & Micro-Interactions
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.975rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  text-align: center;
  position: relative;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-primary) 0%, #005F92 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(0, 119, 182, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0088D1 0%, #006CA6 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 119, 182, 0.45);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
}

.btn-secondary:hover {
  background-color: var(--white);
  color: var(--navy-900);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-scm {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
}

.btn-scm:hover {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(5, 150, 105, 0.45);
}

.btn-white {
  background-color: var(--white);
  color: var(--navy-900);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background-color: var(--slate-100);
  color: var(--blue-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Hero Section: Visual Dual Layout (Headline + Live Industrial Card)
   ========================================================================== */
.hero {
  position: relative;
  background: 
    radial-gradient(circle at 10% 20%, rgba(0, 180, 216, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 70%, rgba(0, 119, 182, 0.18) 0%, transparent 45%),
    linear-gradient(145deg, var(--navy-950) 0%, var(--navy-900) 60%, #0C335C 100%);
  color: var(--white);
  padding: 4.5rem 0 5.5rem 0;
  overflow: hidden;
}

/* Industrial Grid Pattern Overlay */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.hero-content {
  max-width: 680px;
}

.hero-badge-strip {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--blue-light);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.hero-badge-strip .live-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-title .gradient-text {
  background: linear-gradient(90deg, #38BDF8 0%, #BAE6FD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-paragraph {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.7;
  color: #E2E8F0;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Hero Key Stats Counter */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

@media (min-width: 600px) {
  .hero-stats-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--cyan-accent);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.775rem;
  color: var(--slate-300);
  font-weight: 500;
  margin-top: 0.25rem;
  line-height: 1.35;
}

/* Hero Interactive Visual Card (Right Column) */
.hero-visual-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.hero-visual-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.visual-card-image {
  width: 100%;
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  margin-bottom: 1.5rem;
}

.visual-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-visual-card:hover .visual-card-image img {
  transform: scale(1.04);
}

.visual-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(11, 37, 69, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  backdrop-filter: blur(6px);
}

.visual-card-badge .badge-icon {
  color: #38BDF8;
}

.visual-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.visual-checklist-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.visual-checklist-item svg {
  color: #34D399;
  flex-shrink: 0;
}

.visual-checklist-item strong {
  font-size: 0.9rem;
  color: var(--white);
  display: block;
}

.visual-checklist-item span {
  font-size: 0.775rem;
  color: var(--slate-300);
}

.visual-stamp {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stamp-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94A3B8;
  font-weight: 700;
}

.stamp-cert {
  font-size: 0.8rem;
  font-weight: 700;
  color: #38BDF8;
  background: rgba(0, 180, 216, 0.12);
  border: 1px solid rgba(0, 180, 216, 0.3);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   SCM Trust Ribbon (Safety, Quality, Environment)
   ========================================================================== */
.scm-ribbon {
  background: linear-gradient(90deg, #064E3B 0%, #065F46 60%, #047857 100%);
  color: var(--white);
  padding: 1.25rem 0;
  box-shadow: 0 4px 15px rgba(6, 78, 59, 0.25);
  position: relative;
  z-index: 2;
}

.scm-ribbon-flex {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 860px) {
  .scm-ribbon-flex {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.scm-badge-title-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.scm-shield-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #A7F3D0;
  flex-shrink: 0;
}

.scm-ribbon-heading {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.scm-ribbon-desc {
  font-size: 0.875rem;
  color: #D1FAE5;
  max-width: 640px;
}

/* ==========================================================================
   Section Global Typography
   ========================================================================== */
.section {
  padding: 5.5rem 0;
}

.section-alt {
  background-color: var(--slate-50);
}

.section-dark {
  background-color: var(--navy-900);
  color: var(--white);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.tag-blue {
  background-color: var(--blue-light);
  color: var(--blue-primary);
}

.tag-dark {
  background-color: rgba(255, 255, 255, 0.12);
  color: #38BDF8;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--navy-900);
  line-height: 1.22;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-dark .section-title {
  color: var(--white);
}

.section-lead {
  font-size: 1.1rem;
  color: var(--slate-600);
  line-height: 1.65;
}

.section-dark .section-lead {
  color: var(--slate-300);
}

/* ==========================================================================
   Interactive Services Filter & Rich Visual Grid
   ========================================================================== */
.services-filter-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  color: var(--slate-700);
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
}

.filter-btn.active {
  background-color: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(11, 37, 69, 0.2);
}

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

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

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

.service-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: #94A3B8;
}

/* Visual Image Header in Service Card */
.service-card-media {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: var(--navy-900);
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.service-card:hover .service-card-media img {
  transform: scale(1.08);
}

.service-media-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(11, 37, 69, 0.1) 0%, rgba(11, 37, 69, 0.6) 100%);
}

.service-badge-pill {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(11, 37, 69, 0.85);
  color: var(--white);
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-icon-floating {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue-primary), var(--navy-900));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(11, 37, 69, 0.35);
  margin-top: -46px;
  margin-bottom: 0.85rem;
  margin-left: auto;
  z-index: 10;
  border: 3.5px solid var(--white);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.service-card:hover .service-icon-floating {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 12px 26px rgba(0, 119, 182, 0.45);
}

/* Service Card Body */
.service-card-body {
  padding: 1.75rem 1.5rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.925rem;
  color: var(--slate-600);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-features-list {
  list-style: none;
  border-top: 1px solid var(--slate-200);
  padding-top: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.service-features-list li {
  font-size: 0.825rem;
  color: var(--slate-700);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-features-list li svg {
  color: var(--blue-primary);
  flex-shrink: 0;
}

.service-card-footer {
  padding-top: 0.75rem;
  border-top: 1px solid var(--slate-100);
}

/* ==========================================================================
   Industrial Workflow Section (4-Step Roadmap)
   ========================================================================== */
.workflow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  position: relative;
}

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

@media (min-width: 1024px) {
  .workflow-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.workflow-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.workflow-card:hover {
  transform: translateY(-6px);
  border-color: var(--blue-primary);
  box-shadow: var(--shadow-lg);
}

.workflow-step-num {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--slate-200);
  line-height: 1;
  margin-bottom: 1rem;
  transition: color var(--transition-fast);
}

.workflow-card:hover .workflow-step-num {
  color: var(--cyan-accent);
}

.workflow-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.workflow-card p {
  font-size: 0.875rem;
  color: var(--slate-600);
  line-height: 1.6;
}

/* ==========================================================================
   Pillars & Corporate Values Section
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

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

@media (min-width: 1024px) {
  .pillars-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pillar-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-normal);
}

.pillar-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-6px);
  border-color: var(--cyan-accent);
  box-shadow: 0 10px 25px rgba(0, 180, 216, 0.18);
}

.pillar-icon-box {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(0, 180, 216, 0.15);
  border: 2px solid var(--cyan-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin-bottom: 1.25rem;
  transition: all var(--transition-fast);
}

.pillar-card:hover .pillar-icon-box {
  background: var(--cyan-accent);
  color: var(--navy-950);
  transform: scale(1.05);
}

.pillar-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
  color: var(--white);
  text-transform: uppercase;
}

.pillar-card p {
  font-size: 0.925rem;
  color: #CBD5E1;
  line-height: 1.6;
}

/* Detailed SCM Card */
.scm-full-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  border-left: 8px solid var(--scm-emerald);
  padding: 2.75rem;
  box-shadow: var(--shadow-xl);
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .scm-full-card {
    grid-template-columns: 1.6fr 1fr;
  }
}

.scm-full-info h3 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--navy-900);
  margin-bottom: 0.75rem;
}

.scm-full-info p {
  font-size: 1rem;
  color: var(--slate-600);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.scm-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}

.scm-spec-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-800);
}

.scm-spec-item svg {
  color: var(--scm-emerald);
  flex-shrink: 0;
}

.scm-audit-badge {
  background: linear-gradient(145deg, #F0FDF4 0%, #DCFCE7 100%);
  border: 2px dashed #86EFAC;
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
}

.scm-audit-badge .badge-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--scm-emerald);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
}

.scm-audit-badge h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #065F46;
  margin-bottom: 0.35rem;
}

.scm-audit-badge p {
  font-size: 0.825rem;
  color: #047857;
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   FAQ Accordion Section
   ========================================================================== */
.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: #CBD5E1;
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy-900);
  text-align: left;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-600);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background-color: var(--blue-primary);
  color: var(--white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  background-color: #FAFAFA;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

.faq-answer p {
  font-size: 0.925rem;
  color: var(--slate-600);
  line-height: 1.65;
}

/* ==========================================================================
   Contact Section & Interactive Quotation Form
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 5fr 7fr;
  }
}

.contact-info-panel {
  background: linear-gradient(145deg, var(--navy-950) 0%, var(--navy-900) 100%);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.25rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-panel h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--white);
}

.contact-info-panel p.panel-subtext {
  color: #CBD5E1;
  font-size: 0.975rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.contact-channel-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.channel-icon-box {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-accent);
  flex-shrink: 0;
}

.channel-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.2rem;
}

.channel-content p, .channel-content a {
  font-size: 0.9rem;
  color: #E2E8F0;
  line-height: 1.45;
}

.channel-content a:hover {
  color: var(--cyan-accent);
}

/* Map Location Box */
.location-map-card {
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.location-map-card h5 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.35rem;
}

.location-map-card p {
  font-size: 0.8rem;
  color: var(--slate-300);
  margin-bottom: 0.85rem;
}

.map-embed-container {
  width: 100%;
  height: 150px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.map-embed-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Form Container Card */
.quote-form-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.25rem;
  box-shadow: var(--shadow-xl);
}

.quote-form-header {
  margin-bottom: 2rem;
}

.quote-form-header h3 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--navy-900);
  margin-bottom: 0.5rem;
}

.quote-form-header p {
  color: var(--slate-600);
  font-size: 0.95rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 600px) {
  .form-row-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-800);
}

.form-label .req {
  color: #EF4444;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-size: 0.95rem;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-md);
  background-color: var(--white);
  color: var(--slate-800);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 4px rgba(0, 119, 182, 0.15);
}

textarea.form-input {
  resize: vertical;
  min-height: 110px;
}

.form-terms {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--slate-500);
  margin-bottom: 1.5rem;
}

/* Feedback Response Box */
.quote-feedback {
  display: none;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.quote-feedback.success {
  display: block;
  background-color: var(--scm-emerald-light);
  border: 1px solid rgba(5, 150, 105, 0.35);
  color: #065F46;
}

.quote-feedback.error {
  display: block;
  background-color: #FEE2E2;
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #991B1B;
}

/* ==========================================================================
   Floating WhatsApp Widget & Greeting Bubble
   ========================================================================== */
.whatsapp-fixed-wrapper {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}

.whatsapp-chat-bubble {
  background-color: var(--white);
  color: var(--slate-800);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.15rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--slate-200);
  max-width: 260px;
  font-size: 0.85rem;
  line-height: 1.4;
  position: relative;
  display: none;
  animation: floatIn 0.4s ease-out forwards;
}

@keyframes floatIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.whatsapp-chat-bubble::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: 24px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--white);
}

.whatsapp-bubble-close {
  position: absolute;
  top: 4px;
  right: 8px;
  background: transparent;
  border: none;
  font-size: 0.9rem;
  color: var(--slate-400);
  cursor: pointer;
}

.whatsapp-bubble-close:hover {
  color: var(--slate-800);
}

.whatsapp-bubble-sender {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 0.3rem;
  font-size: 0.8rem;
}

.whatsapp-bubble-sender .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--whatsapp-green);
}

.whatsapp-button-circle {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--whatsapp-green), #1EBE5D);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
}

.whatsapp-button-circle svg {
  width: 34px;
  height: 34px;
  fill: currentColor;
}

.whatsapp-button-circle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-button-circle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  border: 2px solid var(--whatsapp-green);
  animation: pulse-ring 2s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.45); opacity: 0; }
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.site-footer {
  background-color: var(--navy-950);
  color: var(--slate-400);
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 768px) {
  .footer-top-grid {
    grid-template-columns: 2fr 1.2fr 1fr;
  }
}

.footer-brand img {
  height: 44px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  margin-bottom: 1.25rem;
}

.footer-brand p {
  font-size: 0.925rem;
  line-height: 1.6;
  max-width: 380px;
  margin-bottom: 1.25rem;
}

.footer-badge-strip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: #A7F3D0;
}

.footer-col h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--slate-400);
  transition: all var(--transition-fast);
}

.footer-col a:hover {
  color: var(--cyan-accent);
  padding-left: 0.35rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
  font-size: 0.85rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}